OpenGLRenderer.cpp revision 76d3a1b8d035d27bc80b0f2fc480a903bd001514
1e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy/* 2e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Copyright (C) 2010 The Android Open Source Project 3e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 4e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * you may not use this file except in compliance with the License. 6e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * You may obtain a copy of the License at 7e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 8e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 10e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Unless required by applicable law or agreed to in writing, software 11e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * See the License for the specific language governing permissions and 14e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * limitations under the License. 15e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy */ 16e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#define LOG_TAG "OpenGLRenderer" 18e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 19e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdlib.h> 20e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdint.h> 21e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <sys/types.h> 22e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 23bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy#include <SkCanvas.h> 24694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkTypeface.h> 255cbbce535744b89df5ecea95de21ee3733298260Romain Guy 265cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/Log.h> 27e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy#include <utils/StopWatch.h> 2885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy#include <private/hwui/DrawGlInfo.h> 3008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy 315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Rect.h> 325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 3385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include "OpenGLRenderer.h" 34c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik#include "DeferredDisplayList.h" 350fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy#include "DisplayListRenderer.h" 36405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy#include "Fence.h" 3765cd612face362d054a85d0f7e5881c59cd523beChris Craik#include "PathTessellator.h" 3887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy#include "Properties.h" 3955bfb4e728fe1db619af5d2c287f4abe711b3343ztenghui#include "ShadowTessellator.h" 40a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 4155bfb4e728fe1db619af5d2c287f4abe711b3343ztenghui#include "VertexBuffer.h" 42e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 43e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 449d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 459d5316e3f56d138504565ff311145ac01621dff4Romain Guy 469d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 479d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 489d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 499d5316e3f56d138504565ff311145ac01621dff4Romain Guy 50759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 51759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 52759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 53f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy#define ALPHA_THRESHOLD 0 54dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 55713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy#define FILTER(paint) (!paint || paint->isFilterBitmap() ? GL_LINEAR : GL_NEAREST) 56d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 579d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 589d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 599d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 609d5316e3f56d138504565ff311145ac01621dff4Romain Guy 61889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 62889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 63889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 64889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 65889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 66889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 67889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 68889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 69889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 70026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 71026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 72026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 732ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 742ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 752ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 762ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 772ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 782ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 792ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 802ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 812ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 822ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 832ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 842ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 852ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 86d81ec456bb097a712bcbc093c5a1e0075434158eDerek Sollenberger { SkXfermode::kModulate_Mode, GL_ZERO, GL_SRC_COLOR }, 872ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 88026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 89e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 9087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 9187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 9287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 93f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 962ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 972ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 982ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 992ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 1002ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 1012ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 1022ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 1032ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 1042ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1052ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1062ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 107d81ec456bb097a712bcbc093c5a1e0075434158eDerek Sollenberger { SkXfermode::kModulate_Mode, GL_DST_COLOR, GL_ZERO }, 1082ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 109f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 110f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 111f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 112448455fe783b0a711340322dca272b8cc0ebe473Romain Guy// Functions 113448455fe783b0a711340322dca272b8cc0ebe473Romain Guy/////////////////////////////////////////////////////////////////////////////// 114448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 115448455fe783b0a711340322dca272b8cc0ebe473Romain Guytemplate<typename T> 116448455fe783b0a711340322dca272b8cc0ebe473Romain Guystatic inline T min(T a, T b) { 117448455fe783b0a711340322dca272b8cc0ebe473Romain Guy return a < b ? a : b; 118448455fe783b0a711340322dca272b8cc0ebe473Romain Guy} 119448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 120448455fe783b0a711340322dca272b8cc0ebe473Romain Guy/////////////////////////////////////////////////////////////////////////////// 121f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 122f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 123f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1243bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain GuyOpenGLRenderer::OpenGLRenderer(): 1253bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy mCaches(Caches::getInstance()), mExtensions(Extensions::getInstance()) { 126527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // *set* draw modifiers to be 0 127527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik memset(&mDrawModifiers, 0, sizeof(mDrawModifiers)); 12816ecda5317c40fc3da284952d9b3add34d6763aeChris Craik mDrawModifiers.mOverrideLayerAlpha = 1.0f; 129026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 130ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 131ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 13296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mFrameStarted = false; 13378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCountOverdraw = false; 13487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 13587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled = false; 136e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 137e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 13885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 13929d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 14029d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 141e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 142e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 14387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::initProperties() { 14487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy char property[PROPERTY_VALUE_MAX]; 14587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (property_get(PROPERTY_DISABLE_SCISSOR_OPTIMIZATION, property, "false")) { 14687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled = !strcasecmp(property, "true"); 14787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization %s", 14887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled ? "disabled" : "enabled"); 14987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } else { 15087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization enabled"); 15187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 15213631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 15313631f3da855f200a151e7837ed9f6b079622b58Romain Guy 15413631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 155f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 156f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 157f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 15885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 15935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy initViewport(width, height); 16035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 16135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glDisable(GL_DITHER); 16235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 16335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 16435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glEnableVertexAttribArray(Program::kBindingPosition); 16535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 16635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 16735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::initViewport(int width, int height) { 168ba9b613437c34873fa95800a25fc51720638267cChris Craik if (mCaches.propertyEnable3d) { 169f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik // TODO: make view proj app configurable 170ba9b613437c34873fa95800a25fc51720638267cChris Craik float dist = std::max(width, height) * 1.5; 171ba9b613437c34873fa95800a25fc51720638267cChris Craik dist *= mCaches.propertyCameraDistance; 172f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik Matrix4 projection; 173f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik projection.loadFrustum(-width / 2, -height / 2, width / 2, height / 2, dist, 0); 174f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik Matrix4 view; 175f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik view.loadLookAt(0, 0, dist, 176f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 0, 0, 0, 177f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 0, 1, 0); 178f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik mViewProjMatrix.loadMultiply(projection, view); 179f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik mViewProjMatrix.translate(-width/2, -height/2); 180f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik } else { 181f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik mViewProjMatrix.loadOrtho(0, width, height, 0, -1, 1); 182f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik } 183bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 18414e513058ed4168c94e015638d16f5f87fd8063aChris Craik initializeViewport(width, height); 185e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 186e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 18796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guyvoid OpenGLRenderer::setupFrameState(float left, float top, 188c3fedafc5f50100219449125a000e3138f6fb987Romain Guy float right, float bottom, bool opaque) { 189fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 190fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 19114e513058ed4168c94e015638d16f5f87fd8063aChris Craik initializeSaveStack(left, top, right, bottom); 19296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mOpaque = opaque; 1935f803623559aab395a29d575c37c4e39c23a4b4eChris Craik mTilingClip.set(left, top, right, bottom); 19496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 195ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 19696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guystatus_t OpenGLRenderer::startFrame() { 19796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (mFrameStarted) return DrawGlInfo::kStatusDone; 19896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mFrameStarted = true; 19911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 20096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mDirtyClip = true; 20196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 20296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy discardFramebuffer(mTilingClip.left, mTilingClip.top, mTilingClip.right, mTilingClip.bottom); 20345e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy 20414e513058ed4168c94e015638d16f5f87fd8063aChris Craik glViewport(0, 0, getWidth(), getHeight()); 2057d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 20654c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // Functors break the tiling extension in pretty spectacular ways 20754c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // This ensures we don't use tiling when a functor is going to be 20854c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // invoked during the frame 20954c1a64d5441a964890b44280e4457e11f4f924aRomain Guy mSuppressTiling = mCaches.hasRegisteredFunctors(); 21054c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 211d6b65f67717025b1162f86f04e2caa5723566cacChris Craik startTilingCurrentClip(true); 2122b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2137c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, true); 2147c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 21596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy return clear(mTilingClip.left, mTilingClip.top, 21696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mTilingClip.right, mTilingClip.bottom, mOpaque); 21796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 21896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 21996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guystatus_t OpenGLRenderer::prepareDirty(float left, float top, 22096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy float right, float bottom, bool opaque) { 22178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 22296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy setupFrameState(left, top, right, bottom, opaque); 22396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 22496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // Layer renderers will start the frame immediately 22596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // The framebuffer renderer will first defer the display list 22696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // for each layer and wait until the first drawing command 22796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // to start the frame 228d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->fbo == 0) { 22996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy syncState(); 23096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy updateLayers(); 23196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 23296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy return startFrame(); 23396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 23496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 23596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy return DrawGlInfo::kStatusDone; 2367c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy} 2377c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 238dcfc836b457a87881da409e1acf251515f121446Romain Guyvoid OpenGLRenderer::discardFramebuffer(float left, float top, float right, float bottom) { 239dcfc836b457a87881da409e1acf251515f121446Romain Guy // If we know that we are going to redraw the entire framebuffer, 240dcfc836b457a87881da409e1acf251515f121446Romain Guy // perform a discard to let the driver know we don't need to preserve 241dcfc836b457a87881da409e1acf251515f121446Romain Guy // the back buffer for this frame. 2423bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (mExtensions.hasDiscardFramebuffer() && 24314e513058ed4168c94e015638d16f5f87fd8063aChris Craik left <= 0.0f && top <= 0.0f && right >= getWidth() && bottom >= getHeight()) { 244f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy const bool isFbo = getTargetFbo() == 0; 245f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy const GLenum attachments[] = { 246f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy isFbo ? (const GLenum) GL_COLOR_EXT : (const GLenum) GL_COLOR_ATTACHMENT0, 247f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy isFbo ? (const GLenum) GL_STENCIL_EXT : (const GLenum) GL_STENCIL_ATTACHMENT }; 248dcfc836b457a87881da409e1acf251515f121446Romain Guy glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, attachments); 249dcfc836b457a87881da409e1acf251515f121446Romain Guy } 250dcfc836b457a87881da409e1acf251515f121446Romain Guy} 251dcfc836b457a87881da409e1acf251515f121446Romain Guy 2527c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guystatus_t OpenGLRenderer::clear(float left, float top, float right, float bottom, bool opaque) { 25378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (!opaque || mCountOverdraw) { 254586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 255d6b65f67717025b1162f86f04e2caa5723566cacChris Craik mCaches.setScissor(left, currentSnapshot()->height - bottom, right - left, bottom - top); 2566b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 25744b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDrew; 258ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } 25944b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase 2607c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy mCaches.resetScissor(); 26144b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDone; 262ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy} 263ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 264ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guyvoid OpenGLRenderer::syncState() { 265ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy if (mCaches.blend) { 266ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glEnable(GL_BLEND); 267ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 268ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glDisable(GL_BLEND); 2696b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 270bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 271bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 272d6b65f67717025b1162f86f04e2caa5723566cacChris Craikvoid OpenGLRenderer::startTilingCurrentClip(bool opaque) { 27354c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) { 274d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const Snapshot* snapshot = currentSnapshot(); 275d6b65f67717025b1162f86f04e2caa5723566cacChris Craik 27614e513058ed4168c94e015638d16f5f87fd8063aChris Craik const Rect* clip = &mTilingClip; 277d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (snapshot->flags & Snapshot::kFlagFboTarget) { 278d6b65f67717025b1162f86f04e2caa5723566cacChris Craik clip = &(snapshot->layer->clipRect); 27954c1a64d5441a964890b44280e4457e11f4f924aRomain Guy } 28054c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 281d6b65f67717025b1162f86f04e2caa5723566cacChris Craik startTiling(*clip, snapshot->height, opaque); 282c3fedafc5f50100219449125a000e3138f6fb987Romain Guy } 283c3fedafc5f50100219449125a000e3138f6fb987Romain Guy} 284c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 285c3fedafc5f50100219449125a000e3138f6fb987Romain Guyvoid OpenGLRenderer::startTiling(const Rect& clip, int windowHeight, bool opaque) { 286c3fedafc5f50100219449125a000e3138f6fb987Romain Guy if (!mSuppressTiling) { 287c3fedafc5f50100219449125a000e3138f6fb987Romain Guy mCaches.startTiling(clip.left, windowHeight - clip.bottom, 28852036b19a5f82bc4d75cfcbff99c65df8d25a99bRomain Guy clip.right - clip.left, clip.bottom - clip.top, opaque); 2892b7028eabac80cec170572bc0e945a1d4224e595Romain Guy } 2902b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 2912b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2922b7028eabac80cec170572bc0e945a1d4224e595Romain Guyvoid OpenGLRenderer::endTiling() { 29354c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) mCaches.endTiling(); 2942b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 2952b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 296b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 2977c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy renderOverdraw(); 2982b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 2992b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 300ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy // When finish() is invoked on FBO 0 we've reached the end 301ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy // of the current frame 302ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy if (getTargetFbo() == 0) { 303ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy mCaches.pathCache.trim(); 304ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy } 305ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy 30611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (!suppressErrorChecks()) { 307b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 30811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy GLenum status = GL_NO_ERROR; 30911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 31011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGD("GL error from OpenGLRenderer: 0x%x", status); 31111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy switch (status) { 31211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_ENUM: 31311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_ENUM"); 31411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 31511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_VALUE: 31611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_VALUE"); 31711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 31811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_OPERATION: 31911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_OPERATION"); 32011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 32111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_OUT_OF_MEMORY: 32211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" Out of memory!"); 32311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 32411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 325a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 326b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 32711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 328c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 329e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 33011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy#else 33111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 33211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.dumpMemoryUsage(); 33311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 334c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 33511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 33696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 33778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCountOverdraw) { 33878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy countOverdraw(); 33978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 34078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 34196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mFrameStarted = false; 342b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 343b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 3446c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 345da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 346da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 347da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 348da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 349da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 350da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 3519ab2d1847552aa4169b4325aae1b1368d6947a9fChris Craik mCaches.resetActiveTexture(); 35250c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 35315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 354f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetVertexPointers(); 355ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.disableTexCoordsVertexArray(); 3567c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 357da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 358da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 3596c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 360d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const Snapshot* snapshot = currentSnapshot(); 361d6b65f67717025b1162f86f04e2caa5723566cacChris Craik glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 362d6b65f67717025b1162f86f04e2caa5723566cacChris Craik glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 3637c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 36435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 3653e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 3663e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy 3678025061c594e5171e1bf370d8fdd77e0e9a02b47Chet Haase mCaches.scissorEnabled = glIsEnabled(GL_SCISSOR_TEST); 368586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 36982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.resetScissor(); 370746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 371da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 372a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 3738aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy mCaches.resetBoundTextures(); 37450c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 37550c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 37650c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 37750c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 37850c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 379da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 380da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 38135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::resumeAfterLayer() { 382d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const Snapshot* snapshot = currentSnapshot(); 383d6b65f67717025b1162f86f04e2caa5723566cacChris Craik glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 384d6b65f67717025b1162f86f04e2caa5723566cacChris Craik glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 3857c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 38635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 38735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mCaches.resetScissor(); 38835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy dirtyClip(); 38935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 39035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 391ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::detachFunctor(Functor* functor) { 392932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik mFunctors.remove(functor); 393ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 3948f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 395ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::attachFunctor(Functor* functor) { 396ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 397ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 3988f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 399ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guystatus_t OpenGLRenderer::invokeFunctors(Rect& dirty) { 400ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy status_t result = DrawGlInfo::kStatusDone; 4013d745c03ace18ee59c539e1b7f1df13f22beb57dRomain Guy size_t count = mFunctors.size(); 4028f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 403ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy if (count > 0) { 404d15321bbf57ff7a4615076fefcee5e196c4fc796Chris Craik interrupt(); 405ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> functors(mFunctors); 406ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.clear(); 407ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 408ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy DrawGlInfo info; 409ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipLeft = 0; 410ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipTop = 0; 411ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipRight = 0; 412ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipBottom = 0; 413ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.isLayer = false; 414ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.width = 0; 415ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.height = 0; 416ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy memset(info.transform, 0, sizeof(float) * 16); 417ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 418ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy for (size_t i = 0; i < count; i++) { 419ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Functor* f = functors.itemAt(i); 420ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy result |= (*f)(DrawGlInfo::kModeProcess, &info); 421ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 422c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusDraw) { 423ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 424ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy dirty.unionWith(localDirty); 425c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik } 426ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 427c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusInvoke) { 428c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik mFunctors.add(f); 4298f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 4308f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 431d15321bbf57ff7a4615076fefcee5e196c4fc796Chris Craik resume(); 4328f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 4338f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 4348f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy return result; 4358f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy} 4368f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 4378f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 438d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 439408eb12631376cbdc96803e918decf6ea804d346Chris Craik 440932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik detachFunctor(functor); 441c8538ade8df2c2f013f8b93094912057ee1cc417Chris Craik 442d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 443d6b65f67717025b1162f86f04e2caa5723566cacChris Craik Rect clip(*currentClipRect()); 44480911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 44580911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 446d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 447d6b65f67717025b1162f86f04e2caa5723566cacChris Craik // the entire clip region 448d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 449d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 450d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 451d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 45208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 45308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 45408aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 45508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 45608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 45708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 458d6b65f67717025b1162f86f04e2caa5723566cacChris Craik info.width = currentSnapshot()->viewport.getWidth(); 459d6b65f67717025b1162f86f04e2caa5723566cacChris Craik info.height = currentSnapshot()->height; 460d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->copyTo(&info.transform[0]); 46180911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 46225d2f7bc1ff9b475eff75bfff647466e91dbacb2John Reck bool dirtyClip = mDirtyClip; 46354f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik // setup GL state for functor 46454f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik if (mDirtyClip) { 46554f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik setStencilFromClip(); // can issue draws, so must precede enableScissor()/interrupt() 46654f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik } 46725d2f7bc1ff9b475eff75bfff647466e91dbacb2John Reck if (mCaches.enableScissor() || dirtyClip) { 46825d2f7bc1ff9b475eff75bfff647466e91dbacb2John Reck setScissorFromClip(); 46925d2f7bc1ff9b475eff75bfff647466e91dbacb2John Reck } 47054f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik interrupt(); 47154f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik 47254f574acf4dd5483170b8f79e2f7c70b58763ce7Chris Craik // call functor immediately after GL state setup 4734a2bff7b387403ac976cd041cb5a1b57afa44d9cChris Craik status_t result = (*functor)(DrawGlInfo::kModeDraw, &info); 474cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 4758f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result != DrawGlInfo::kStatusDone) { 47608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 477cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 4788f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 47965924a3e56c2e7ac863f8e25e9f9a58b9db7d513Chris Craik if (result & DrawGlInfo::kStatusInvoke) { 480ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 4818f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 482cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 483cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 484daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 4854a2bff7b387403ac976cd041cb5a1b57afa44d9cChris Craik return result | DrawGlInfo::kStatusDrew; 486daf98e941e140e8739458126640183b9f296a2abChet Haase} 487daf98e941e140e8739458126640183b9f296a2abChet Haase 488f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 48987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy// Debug 49087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 49187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 4920f6675332c04c74909425d1d328f02b32c0ff40eRomain Guyvoid OpenGLRenderer::eventMark(const char* name) const { 4930f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy mCaches.eventMark(0, name); 4940f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy} 4950f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy 49687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 49787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.startMark(0, name); 49887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 49987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 50087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::endMark() const { 50187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.endMark(); 50287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 50387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 50487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::debugOverdraw(bool enable, bool clear) { 50587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 50687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (clear) { 50787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.disableScissor(); 50887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.clear(); 50987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 51087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (enable) { 51187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugWrite(); 51287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } else { 51387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 51487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 51587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 51687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 51787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 51887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::renderOverdraw() { 51987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 5205f803623559aab395a29d575c37c4e39c23a4b4eChris Craik const Rect* clip = &mTilingClip; 52187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 52287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.enableScissor(); 523d6b65f67717025b1162f86f04e2caa5723566cacChris Craik mCaches.setScissor(clip->left, firstSnapshot()->height - clip->bottom, 52487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy clip->right - clip->left, clip->bottom - clip->top); 52587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 526627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 1x overdraw 52787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(2); 528627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(1), SkXfermode::kSrcOver_Mode); 529627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 530627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 2x overdraw 53187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(3); 532627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(2), SkXfermode::kSrcOver_Mode); 533627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 534627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 3x overdraw 53587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4); 536627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(3), SkXfermode::kSrcOver_Mode); 537627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 538627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy // 4x overdraw and higher 53987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4, true); 540627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy drawColor(mCaches.getOverdrawColor(4), SkXfermode::kSrcOver_Mode); 541627c6fd91377ead85f74a365438e25610ef1e2eeRomain Guy 54287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 54387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 54487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 54587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 54678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guyvoid OpenGLRenderer::countOverdraw() { 54714e513058ed4168c94e015638d16f5f87fd8063aChris Craik size_t count = getWidth() * getHeight(); 54878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy uint32_t* buffer = new uint32_t[count]; 54914e513058ed4168c94e015638d16f5f87fd8063aChris Craik glReadPixels(0, 0, getWidth(), getHeight(), GL_RGBA, GL_UNSIGNED_BYTE, &buffer[0]); 55078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 55178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy size_t total = 0; 55278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy for (size_t i = 0; i < count; i++) { 55378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy total += buffer[i] & 0xff; 55478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 55578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 55678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mOverdraw = total / float(count); 55778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 55878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy delete[] buffer; 55978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy} 56078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 56187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 56211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy// Layers 56311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 56411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 56511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guybool OpenGLRenderer::updateLayer(Layer* layer, bool inFrame) { 56696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (layer->deferredUpdateScheduled && layer->renderer && 56796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy layer->displayList && layer->displayList->isRenderable()) { 568405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_CALL(); 569405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 57011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Rect& dirty = layer->dirtyRect; 57111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 5727c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy if (inFrame) { 5737c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy endTiling(); 5747c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 5757c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy } 57611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 57796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(inFrame || mCaches.drawDeferDisabled)) { 57802b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy layer->render(); 57996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 58096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy layer->defer(); 58196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 58211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 58311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (inFrame) { 58411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy resumeAfterLayer(); 585d6b65f67717025b1162f86f04e2caa5723566cacChris Craik startTilingCurrentClip(); 58611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 58711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 5885bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = mCaches.debugLayersUpdates; 58934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik layer->hasDrawnSinceUpdate = false; 59011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 59111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return true; 59211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 59311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 59411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 59511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 59611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 59711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::updateLayers() { 59896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // If draw deferring is enabled this method will simply defer 59996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // the display list of each individual layer. The layers remain 60096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // in the layer updates list which will be cleared by flushLayers(). 60111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy int count = mLayerUpdates.size(); 60211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 60396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 60496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Layer Updates"); 60596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 60696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Defer Layer Updates"); 60796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 60811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 6091206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik // Note: it is very important to update the layers in order 6101206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik for (int i = 0; i < count; i++) { 61111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Layer* layer = mLayerUpdates.itemAt(i); 61211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayer(layer, false); 61396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 61496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mCaches.resourceCache.decrementRefcount(layer); 61596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 61611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 61711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 61896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 61996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mLayerUpdates.clear(); 62096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, getTargetFbo()); 62196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 62296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy endMark(); 62396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 62496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 62596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 62696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guyvoid OpenGLRenderer::flushLayers() { 62796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy int count = mLayerUpdates.size(); 62896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (count > 0) { 62996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Apply Layer Updates"); 63096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy char layerName[12]; 63196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 6321206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik // Note: it is very important to update the layers in order 6331206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik for (int i = 0; i < count; i++) { 63496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy sprintf(layerName, "Layer #%d", i); 63502b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy startMark(layerName); 63602b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy 637405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_BEGIN("flushLayer"); 63802b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy Layer* layer = mLayerUpdates.itemAt(i); 63902b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy layer->flush(); 640405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ATRACE_END(); 641405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 64202b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy mCaches.resourceCache.decrementRefcount(layer); 64302b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy 64496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy endMark(); 64596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 64696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 64796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mLayerUpdates.clear(); 64811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, getTargetFbo()); 64996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 65011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy endMark(); 65111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 65211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 65311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 65411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::pushLayerUpdate(Layer* layer) { 65511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer) { 65602b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // Make sure we don't introduce duplicates. 65702b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // SortedVector would do this automatically but we need to respect 65802b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // the insertion order. The linear search is not an issue since 65902b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // this list is usually very short (typically one item, at most a few) 66002b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy for (int i = mLayerUpdates.size() - 1; i >= 0; i--) { 66102b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy if (mLayerUpdates.itemAt(i) == layer) { 66202b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy return; 66302b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy } 66402b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy } 66511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.push_back(layer); 66611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.incrementRefcount(layer); 66711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 66811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 66911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 670e93482f5eac3df581d57e64c2a771a96aa868585Romain Guyvoid OpenGLRenderer::cancelLayerUpdate(Layer* layer) { 671e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy if (layer) { 672e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy for (int i = mLayerUpdates.size() - 1; i >= 0; i--) { 673e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy if (mLayerUpdates.itemAt(i) == layer) { 674e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy mLayerUpdates.removeAt(i); 675e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy mCaches.resourceCache.decrementRefcount(layer); 676e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy break; 677e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 678e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 679e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy } 680e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy} 681e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy 68211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::clearLayerUpdates() { 68311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy size_t count = mLayerUpdates.size(); 68411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 68511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.lock(); 68611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (size_t i = 0; i < count; i++) { 68711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcountLocked(mLayerUpdates.itemAt(i)); 68811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 68911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.unlock(); 69011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 69111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 69211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 69311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 694405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guyvoid OpenGLRenderer::flushLayerUpdates() { 695405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy syncState(); 696405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy updateLayers(); 697405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy flushLayers(); 698405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy // Wait for all the layer updates to be executed 699405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy AutoFence fence; 700405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy} 701405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy 70211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 703f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 704f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 705f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 70614e513058ed4168c94e015638d16f5f87fd8063aChris Craikvoid OpenGLRenderer::onSnapshotRestored(const Snapshot& removed, const Snapshot& restored) { 70714e513058ed4168c94e015638d16f5f87fd8063aChris Craik bool restoreOrtho = removed.flags & Snapshot::kFlagDirtyOrtho; 70814e513058ed4168c94e015638d16f5f87fd8063aChris Craik bool restoreClip = removed.flags & Snapshot::kFlagClipSet; 70914e513058ed4168c94e015638d16f5f87fd8063aChris Craik bool restoreLayer = removed.flags & Snapshot::kFlagIsLayer; 710bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 711eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 71214e513058ed4168c94e015638d16f5f87fd8063aChris Craik const Rect& r = restored.viewport; 713eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 714d6b65f67717025b1162f86f04e2caa5723566cacChris Craik mViewProjMatrix.load(removed.orthoMatrix); // TODO: should ortho be stored in 'restored'? 715eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 716eb99356a0548684a501766e6a524529ab93304c8Romain Guy 7172542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 718746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 7198fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 7202542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 7215ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 7227273daace9303f4662444111c40bb83d3ead4a92Chris Craik endMark(); // Savelayer 7237273daace9303f4662444111c40bb83d3ead4a92Chris Craik startMark("ComposeLayer"); 72414e513058ed4168c94e015638d16f5f87fd8063aChris Craik composeLayer(removed, restored); 7257273daace9303f4662444111c40bb83d3ead4a92Chris Craik endMark(); 7265ec9924d24495822b589f1a17996655d66273b30Romain Guy } 727d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 7285cbbce535744b89df5ecea95de21ee3733298260Romain Guy 729f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 730bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 731bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 732bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 733bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 734d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger const SkPaint* paint, int flags) { 735eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 736d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 737d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->isIgnored()) { 738d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger createLayer(left, top, right, bottom, paint, flags); 739dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 740d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 741d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 742bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 743bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 744d90144db52c7297879b950cbbc85137ed123ab5bChris Craikvoid OpenGLRenderer::calculateLayerBoundsAndClip(Rect& bounds, Rect& clip, bool fboLayer) { 745d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const Rect untransformedBounds(bounds); 746d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 747d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->mapRect(bounds); 748d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 749d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // Layers only make sense if they are in the framebuffer's bounds 750d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (bounds.intersect(*currentClipRect())) { 751d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // We cannot work with sub-pixels in this case 752d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.snapToPixelBoundaries(); 753d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 754d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // When the layer is not an FBO, we may use glCopyTexImage so we 755d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // need to make sure the layer does not extend outside the bounds 756d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // of the framebuffer 757d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!bounds.intersect(currentSnapshot()->previous->viewport)) { 758d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.setEmpty(); 759d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else if (fboLayer) { 760d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.set(bounds); 761d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mat4 inverse; 762d6b65f67717025b1162f86f04e2caa5723566cacChris Craik inverse.loadInverse(*currentTransform()); 763d90144db52c7297879b950cbbc85137ed123ab5bChris Craik inverse.mapRect(clip); 764d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.snapToPixelBoundaries(); 765d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (clip.intersect(untransformedBounds)) { 766d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.translate(-untransformedBounds.left, -untransformedBounds.top); 767d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.set(untransformedBounds); 768d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else { 769d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.setEmpty(); 770d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 771d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 772d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else { 773d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.setEmpty(); 774d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 775d90144db52c7297879b950cbbc85137ed123ab5bChris Craik} 776d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 777408eb12631376cbdc96803e918decf6ea804d346Chris Craikvoid OpenGLRenderer::updateSnapshotIgnoreForLayer(const Rect& bounds, const Rect& clip, 778408eb12631376cbdc96803e918decf6ea804d346Chris Craik bool fboLayer, int alpha) { 779408eb12631376cbdc96803e918decf6ea804d346Chris Craik if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 780408eb12631376cbdc96803e918decf6ea804d346Chris Craik bounds.getHeight() > mCaches.maxTextureSize || 781408eb12631376cbdc96803e918decf6ea804d346Chris Craik (fboLayer && clip.isEmpty())) { 782408eb12631376cbdc96803e918decf6ea804d346Chris Craik mSnapshot->empty = fboLayer; 783408eb12631376cbdc96803e918decf6ea804d346Chris Craik } else { 784408eb12631376cbdc96803e918decf6ea804d346Chris Craik mSnapshot->invisible = mSnapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 785408eb12631376cbdc96803e918decf6ea804d346Chris Craik } 786408eb12631376cbdc96803e918decf6ea804d346Chris Craik} 787408eb12631376cbdc96803e918decf6ea804d346Chris Craik 788d90144db52c7297879b950cbbc85137ed123ab5bChris Craikint OpenGLRenderer::saveLayerDeferred(float left, float top, float right, float bottom, 789d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger const SkPaint* paint, int flags) { 790d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const int count = saveSnapshot(flags); 791d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 792d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->isIgnored() && (flags & SkCanvas::kClipToLayer_SaveFlag)) { 793d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // initialize the snapshot as though it almost represents an FBO layer so deferred draw 794d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // operations will be able to store and restore the current clip and transform info, and 795d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // quick rejection will be correct (for display lists) 796d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 797d90144db52c7297879b950cbbc85137ed123ab5bChris Craik Rect bounds(left, top, right, bottom); 798d90144db52c7297879b950cbbc85137ed123ab5bChris Craik Rect clip; 799d90144db52c7297879b950cbbc85137ed123ab5bChris Craik calculateLayerBoundsAndClip(bounds, clip, true); 800d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger updateSnapshotIgnoreForLayer(bounds, clip, true, getAlphaDirect(paint)); 801d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 802d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->isIgnored()) { 803d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 804d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 8050e87f00f8cb79635aa70b9a2dfa02bf19dc7473dChris Craik mSnapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 806d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 807d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 808d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 809d90144db52c7297879b950cbbc85137ed123ab5bChris Craik return count; 810d90144db52c7297879b950cbbc85137ed123ab5bChris Craik} 811d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 812d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 8131c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 8141c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 8151c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 8161c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 8171c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 8181c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 8191c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 8201c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8211c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 8221c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 8231c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 8241c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 8251c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 8261c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 8271c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 8281c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8291c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 8306b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 8316b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 8326b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 8336b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 8341c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8351c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 8361c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 8371c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 83887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 8391c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 8401c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 8411c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8421c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 8431c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 8441c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 8451c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 8461c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 8471c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8481c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 8491c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 8501c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 8511c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 8521c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 8531c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 8541c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8551c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 8561c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 8571c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 85887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 85987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 86087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 86187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 86287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 8631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 864d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createLayer(float left, float top, float right, float bottom, 865d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger const SkPaint* paint, int flags) { 866eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 867fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 868dda570201ac851dd85af3861f7e575721d3345daRomain Guy 869eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 870eb99356a0548684a501766e6a524529ab93304c8Romain Guy 871d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger SkXfermode::Mode mode = getXfermodeDirect(paint); 872d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger int alpha = getAlphaDirect(paint); 873d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger 874f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 875d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect clip; 8768aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 877d90144db52c7297879b950cbbc85137ed123ab5bChris Craik calculateLayerBoundsAndClip(bounds, clip, fboLayer); 878408eb12631376cbdc96803e918decf6ea804d346Chris Craik updateSnapshotIgnoreForLayer(bounds, clip, fboLayer, alpha); 879dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 880dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 881d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) { 882b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 883b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 884dda570201ac851dd85af3861f7e575721d3345daRomain Guy 885a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 8868550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 887f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 888f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 889bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 890bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 8919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 8928aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 8939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 8949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 895d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger 89676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layer->setColorFilter(getColorFilter(paint)); 897a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 8987c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy layer->setDirty(false); 899dda570201ac851dd85af3861f7e575721d3345daRomain Guy 9008fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 901d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsLayer; 902d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->layer = layer; 9031d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 9047273daace9303f4662444111c40bb83d3ead4a92Chris Craik startMark("SaveLayer"); 905eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 906e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik return createFboLayer(layer, bounds, clip); 907eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 908eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 9099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 910514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 9119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 912b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // Workaround for some GL drivers. When reading pixels lying outside 913b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // of the window we should get undefined values for those pixels. 914b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // Unfortunately some drivers will turn the entire target texture black 915b254c242d98f4a9d98055726446351e52bece2c6Romain Guy // when reading outside of the window. 916b254c242d98f4a9d98055726446351e52bece2c6Romain Guy glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, layer->getWidth(), layer->getHeight(), 917b254c242d98f4a9d98055726446351e52bece2c6Romain Guy 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); 9189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 919514fb18827186591d66973c2362c859b64b63556Romain Guy } 9207b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 921b254c242d98f4a9d98055726446351e52bece2c6Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 922b254c242d98f4a9d98055726446351e52bece2c6Romain Guy mSnapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 923b254c242d98f4a9d98055726446351e52bece2c6Romain Guy 92454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 92554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 926ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 927eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 928f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 929d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 930bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 931bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 932e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craikbool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, Rect& clip) { 933c3fedafc5f50100219449125a000e3138f6fb987Romain Guy layer->clipRect.set(clip); 9349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 9355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 936d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->region = &mSnapshot->layer->region; 937c3fedafc5f50100219449125a000e3138f6fb987Romain Guy mSnapshot->flags |= Snapshot::kFlagFboTarget | Snapshot::kFlagIsFboLayer | 938c3fedafc5f50100219449125a000e3138f6fb987Romain Guy Snapshot::kFlagDirtyOrtho; 939d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->fbo = layer->getFbo(); 940d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 941d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 942d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 943d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height = bounds.getHeight(); 944f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik mSnapshot->orthoMatrix.load(mViewProjMatrix); 9455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9462b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 9477c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 9485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 9499ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 9509ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 9515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 9539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 9540908764b2b3cf5075df4178a5f0a8547dcb7b317Romain Guy layer->allocateTexture(); 9559ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 9565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 9599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 9605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 961d6b65f67717025b1162f86f04e2caa5723566cacChris Craik startTilingCurrentClip(true); 9625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 964586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 9658f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 9665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 9675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 9685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 9705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 9725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 973f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 974f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik // TODO: determine best way to support 3d drawing within HW layers 975f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik mViewProjMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 9765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 9785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9801c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 9811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 9821c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 98314e513058ed4168c94e015638d16f5f87fd8063aChris Craikvoid OpenGLRenderer::composeLayer(const Snapshot& removed, const Snapshot& restored) { 98414e513058ed4168c94e015638d16f5f87fd8063aChris Craik if (!removed.layer) { 9853762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 9861d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 9871d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 9881d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 98914e513058ed4168c94e015638d16f5f87fd8063aChris Craik Layer* layer = removed.layer; 9908ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const Rect& rect = layer->layer; 99114e513058ed4168c94e015638d16f5f87fd8063aChris Craik const bool fboLayer = removed.flags & Snapshot::kFlagIsFboLayer; 992eb99356a0548684a501766e6a524529ab93304c8Romain Guy 99339a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool clipRequired = false; 994f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik calculateQuickRejectForScissor(rect.left, rect.top, rect.right, rect.bottom, 995f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik &clipRequired, false); // safely ignore return, should never be rejected 99639a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 99739a908c1df89e1073627b0dcbce922d826b67055Chris Craik 998eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 9992b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 10002b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 1001e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 1002e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 10038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 10048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->removeFbo(false); 10058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1006eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 100714e513058ed4168c94e015638d16f5f87fd8063aChris Craik glBindFramebuffer(GL_FRAMEBUFFER, restored.fbo); 10087c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 10092b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 1010d6b65f67717025b1162f86f04e2caa5723566cacChris Craik startTilingCurrentClip(); 1011eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 1012eb99356a0548684a501766e6a524529ab93304c8Romain Guy 10139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 101476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // TODO: this seems to point to the fact that the layer should store the paint 101576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint layerPaint; 101676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setAlpha(layer->getAlpha()); 101776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setXfermodeMode(SkXfermode::kDstIn_Mode); 101876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setColorFilter(layer->getColorFilter()); 101976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 102076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(rect.left, rect.top, rect.right, rect.bottom, &layerPaint, true); 10215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 10229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 1023f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 1024f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 102503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 10268b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 1027a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 10285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 10305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 1031eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 103214e513058ed4168c94e015638d16f5f87fd8063aChris Craik dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *restored.transform); 10335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 10349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 10359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 1036a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya 1037a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya save(0); 1038a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya // the layer contains screen buffer content that shouldn't be alpha modulated 1039a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya // (and any necessary alpha modulation was handled drawing into the layer) 1040a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya mSnapshot->alpha = 1.0f; 10419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 1042a5ff739d3c9e15d07f1d5c644b4f11205cdac0e8Digish Pandya restore(); 1043eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 10441d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 1045746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 1046746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 1047eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 10488550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 10491d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 1050603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 10511d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 10521d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 10531d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 1054aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 10552458939b5f926176a485a3196f59688eed78e858Romain Guy float alpha = getLayerAlpha(layer); 1056aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1057aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 10589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 10598f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 10608f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 10618f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 10628f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 10638f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 1064aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 106576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(layer->getColorFilter()); 106676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(layer); 1067aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 1068aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 106976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(layer->getColorFilter()); 10709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 10719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 10728f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 10739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 10748f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 1075d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentTransform()->isPureTranslate() && 1076ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 1077ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 1078d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float x = (int) floorf(rect.left + currentTransform()->getTranslateX() + 0.5f); 1079d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float y = (int) floorf(rect.top + currentTransform()->getTranslateY() + 0.5f); 10809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1081d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 10824063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 10834063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik x, y, x + rect.getWidth(), y + rect.getHeight(), true); 10849ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1085d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 10864063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 10874063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik rect.left, rect.top, rect.right, rect.bottom); 10889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 10899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 10903380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawMesh(&mMeshVertices[0].x, &mMeshVertices[0].u); 1091aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1092aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1093aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1094aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 10955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 10969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 1097aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 1098aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 1099aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 11005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 11029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 1103d6b65f67717025b1162f86f04e2caa5723566cacChris Craik bool simpleTransform = currentTransform()->isPureTranslate() && 1104ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 1105b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 1106b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 1107b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 11089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 11099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 1110d6b65f67717025b1162f86f04e2caa5723566cacChris Craik x = (int) floorf(rect.left + currentTransform()->getTranslateX() + 0.5f); 1111d6b65f67717025b1162f86f04e2caa5723566cacChris Craik y = (int) floorf(rect.top + currentTransform()->getTranslateY() + 0.5f); 11129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 11139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1114d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 11159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1116d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 11179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 11189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 111976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint layerPaint; 112076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setAlpha(getLayerAlpha(layer) * 255); 112176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setXfermodeMode(layer->getMode()); 112276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layerPaint.setColorFilter(layer->getColorFilter()); 112376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 112476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool blend = layer->isBlend() || getLayerAlpha(layer) < 1.0f; 11259ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 112676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layer->getTexture(), &layerPaint, blend, 11273380cfdc77100e87aa8390386ccf390834dea171Romain Guy &mMeshVertices[0].x, &mMeshVertices[0].u, 11289ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 11295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1130aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1131aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 1132aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 1133aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 1134aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1135aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 11365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 11375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 113834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik/** 113934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * Issues the command X, and if we're composing a save layer to the fbo or drawing a newly updated 114034416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * hardware layer with overdraw debug on, draws again to the stencil only, so that these draw 114134416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * operations are correctly counted twice for overdraw. NOTE: assumes composeLayerRegion only used 114234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * by saveLayer's restore 114334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik */ 114434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik#define DRAW_DOUBLE_STENCIL_IF(COND, DRAW_COMMAND) { \ 114534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_COMMAND; \ 114634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik if (CC_UNLIKELY(mCaches.debugOverdraw && getTargetFbo() == 0 && COND)) { \ 114734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); \ 114834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_COMMAND; \ 114934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); \ 115034416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik } \ 115134416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik } 115234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik 115334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik#define DRAW_DOUBLE_STENCIL(DRAW_COMMAND) DRAW_DOUBLE_STENCIL_IF(true, DRAW_COMMAND) 115434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik 11555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 11565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 11579fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 11589fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 115934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(composeLayerRect(layer, layer->regionRect)); 11609fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 11615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 11625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 11635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1165211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 11665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 11676c5b9be7450903762f676522c32d65f7545730dfChris Craik const android::Rect* rects; 11686c5b9be7450903762f676522c32d65f7545730dfChris Craik Region safeRegion; 11696c5b9be7450903762f676522c32d65f7545730dfChris Craik if (CC_LIKELY(hasRectToRectTransform())) { 11706c5b9be7450903762f676522c32d65f7545730dfChris Craik rects = layer->region.getArray(&count); 11716c5b9be7450903762f676522c32d65f7545730dfChris Craik } else { 11726c5b9be7450903762f676522c32d65f7545730dfChris Craik safeRegion = Region::createTJunctionFreeRegion(layer->region); 11736c5b9be7450903762f676522c32d65f7545730dfChris Craik rects = safeRegion.getArray(&count); 11746c5b9be7450903762f676522c32d65f7545730dfChris Craik } 11755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 117616ecda5317c40fc3da284952d9b3add34d6763aeChris Craik const float alpha = getLayerAlpha(layer); 11779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 11789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 1179f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 11805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11818ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setupDraw(); 11828ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 11838ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // We must get (and therefore bind) the region mesh buffer 11848ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // after we setup drawing in case we need to mess with the 11858ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // stencil buffer in setupDraw() 11865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 118703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy uint32_t numQuads = 0; 11885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11897230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 11907230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 119176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(layer->getColorFilter()); 119276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(layer); 11937230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 11947230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 11957230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 119676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(layer->getColorFilter()); 11979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 1198d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentTransform()->isPureTranslate()) { 1199d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float x = (int) floorf(rect.left + currentTransform()->getTranslateX() + 0.5f); 1200d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float y = (int) floorf(rect.top + currentTransform()->getTranslateY() + 0.5f); 12019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1202d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 12034063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, 12044063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik x, y, x + rect.getWidth(), y + rect.getHeight(), true); 12059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1206d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 12074063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, 12084063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik rect.left, rect.top, rect.right, rect.bottom); 12099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 12103380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawMeshIndices(&mesh[0].x, &mesh[0].u); 12115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 12135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 12145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 1216f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 12175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 1218f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 12195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 12215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 12225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 12235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 12245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 12255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 12275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 122831e08e953fe7bdb1b1cbc247156cb6a19917a2f1Romain Guy if (numQuads >= gMaxNumberOfQuads) { 122934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(glDrawElements(GL_TRIANGLES, numQuads * 6, 123034416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik GL_UNSIGNED_SHORT, NULL)); 12315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 12325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 12335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 123734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(glDrawElements(GL_TRIANGLES, numQuads * 6, 123834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik GL_UNSIGNED_SHORT, NULL)); 12395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 1242e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik drawRegionRectsDebug(layer->region); 12435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 12445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 12465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 12485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12493a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 1250e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craikvoid OpenGLRenderer::drawRegionRectsDebug(const Region& region) { 12513a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 12523a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 12533a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12543a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 12553a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 12563a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 12573a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 12583a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12593a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 12603a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 12613a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12623a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 12633a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 12643a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 12653a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 12663a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 12673a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 126876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 126976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(colors[offset + (i & 0x1)]); 12703a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 127176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(r.left, r.top, r.right, r.bottom, paint); 12723a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 12733a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 1274e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik#endif 12753a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 127676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::drawRegionRects(const SkRegion& region, const SkPaint& paint, bool dirty) { 12778ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Vector<float> rects; 12788ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12798ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion::Iterator it(region); 12808ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy while (!it.done()) { 12818ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const SkIRect& r = it.rect(); 12828ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fLeft); 12838ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fTop); 12848ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fRight); 12858ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fBottom); 12868ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy it.next(); 12878ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 12888ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 128976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRects(rects.array(), rects.size(), &paint, true, dirty, false); 12908ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 12918ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 12935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 1294f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 12955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 12965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 1297f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 12985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 13005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 13015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 13025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 1303f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 13045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 1305f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 13061bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 13071bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 13081bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 13091bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 1310d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (bounds.intersect(*currentClipRect())) { 13111bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 13121bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 13131bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 13141bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 13155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 13165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 13175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 13185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 13194063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craikvoid OpenGLRenderer::issueIndexedQuadDraw(Vertex* mesh, GLsizei quadsCount) { 1320448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei elementsCount = quadsCount * 6; 1321448455fe783b0a711340322dca272b8cc0ebe473Romain Guy while (elementsCount > 0) { 1322448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei drawCount = min(elementsCount, (GLsizei) gMaxNumberOfQuads * 6); 1323448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 13243380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawIndexedVertices(&mesh[0].x); 1325448455fe783b0a711340322dca272b8cc0ebe473Romain Guy glDrawElements(GL_TRIANGLES, drawCount, GL_UNSIGNED_SHORT, NULL); 1326448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 1327448455fe783b0a711340322dca272b8cc0ebe473Romain Guy elementsCount -= drawCount; 1328448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // Though there are 4 vertices in a quad, we use 6 indices per 1329448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // quad to draw with GL_TRIANGLES 1330448455fe783b0a711340322dca272b8cc0ebe473Romain Guy mesh += (drawCount / 6) * 4; 1331448455fe783b0a711340322dca272b8cc0ebe473Romain Guy } 1332448455fe783b0a711340322dca272b8cc0ebe473Romain Guy} 1333448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 133454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 133554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 133654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 133754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1338d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->isIgnored()) { 133954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 134054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 134154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 134254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 134354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 134454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 134554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 13468a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool scissorChanged = mCaches.disableScissor(); 134754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1348448455fe783b0a711340322dca272b8cc0ebe473Romain Guy Vertex mesh[count * 4]; 134954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 135054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 135154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 135254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 135354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 135454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 135554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 135654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 135754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 135854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 135954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 136054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1361e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // We must clear the list of dirty rects before we 1362e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // call setupDraw() to prevent stencil setup to do 1363e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // the same thing again 1364e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 136554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 136676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint clearPaint; 136776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger clearPaint.setXfermodeMode(SkXfermode::kClear_Mode); 136876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 136954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 137054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 137176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(&clearPaint, true); 137254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 137354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 13744063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, 13754063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 0.0f, 0.0f, 0.0f, 0.0f, true); 137654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 13774063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik issueIndexedQuadDraw(&mesh[0], count); 13788a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 13798a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (scissorChanged) mCaches.enableScissor(); 138054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 138154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 138254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 138354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1384e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 138554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 138654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 138754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1388bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1389c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik// State Deferral 1390c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1391c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1392ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikbool OpenGLRenderer::storeDisplayState(DeferredDisplayState& state, int stateDeferFlags) { 1393d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const Rect* currentClip = currentClipRect(); 1394d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const mat4* currentMatrix = currentTransform(); 1395c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1396ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (stateDeferFlags & kStateDeferFlag_Draw) { 1397ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // state has bounds initialized in local coordinates 1398ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (!state.mBounds.isEmpty()) { 1399d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentMatrix->mapRect(state.mBounds); 140028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik Rect clippedBounds(state.mBounds); 14015e49b307eb99269db2db257760508b8efd7bb97dChris Craik // NOTE: if we ever want to use this clipping info to drive whether the scissor 14025e49b307eb99269db2db257760508b8efd7bb97dChris Craik // is used, it should more closely duplicate the quickReject logic (in how it uses 14035e49b307eb99269db2db257760508b8efd7bb97dChris Craik // snapToPixelBoundaries) 14045e49b307eb99269db2db257760508b8efd7bb97dChris Craik 1405d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if(!clippedBounds.intersect(*currentClip)) { 1406ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // quick rejected 1407ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return true; 1408ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 140928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik 1410a02c4ed885d97e516f844ddb0a96083f1b45b4cbChris Craik state.mClipSideFlags = kClipSide_None; 1411d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentClip->contains(state.mBounds)) { 141228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik int& flags = state.mClipSideFlags; 141328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // op partially clipped, so record which sides are clipped for clip-aware merging 1414d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->left > state.mBounds.left) flags |= kClipSide_Left; 1415d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->top > state.mBounds.top) flags |= kClipSide_Top; 1416d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->right < state.mBounds.right) flags |= kClipSide_Right; 1417d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentClip->bottom < state.mBounds.bottom) flags |= kClipSide_Bottom; 141828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 141928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik state.mBounds.set(clippedBounds); 1420ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } else { 1421d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik // Empty bounds implies size unknown. Label op as conservatively clipped to disable 1422d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik // overdraw avoidance (since we don't know what it overlaps) 1423d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik state.mClipSideFlags = kClipSide_ConservativeFull; 1424d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mBounds.set(*currentClip); 1425c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1426ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1427ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1428527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik state.mClipValid = (stateDeferFlags & kStateDeferFlag_Clip); 1429527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (state.mClipValid) { 1430d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mClip.set(*currentClip); 1431c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1432c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 14337273daace9303f4662444111c40bb83d3ead4a92Chris Craik // Transform, drawModifiers, and alpha always deferred, since they are used by state operations 14347273daace9303f4662444111c40bb83d3ead4a92Chris Craik // (Note: saveLayer/restore use colorFilter and alpha, so we just save restore everything) 1435d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mMatrix.load(*currentMatrix); 14367273daace9303f4662444111c40bb83d3ead4a92Chris Craik state.mDrawModifiers = mDrawModifiers; 1437d6b65f67717025b1162f86f04e2caa5723566cacChris Craik state.mAlpha = currentSnapshot()->alpha; 1438c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik return false; 1439c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1440c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1441527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craikvoid OpenGLRenderer::restoreDisplayState(const DeferredDisplayState& state, bool skipClipRestore) { 144214e513058ed4168c94e015638d16f5f87fd8063aChris Craik setMatrix(state.mMatrix); 14437273daace9303f4662444111c40bb83d3ead4a92Chris Craik mSnapshot->alpha = state.mAlpha; 144414e513058ed4168c94e015638d16f5f87fd8063aChris Craik mDrawModifiers = state.mDrawModifiers; 1445ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1446527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (state.mClipValid && !skipClipRestore) { 144728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mSnapshot->setClip(state.mClip.left, state.mClip.top, 144828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik state.mClip.right, state.mClip.bottom); 1449ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik dirtyClip(); 1450ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1451c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1452c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 145328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik/** 145428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * Merged multidraw (such as in drawText and drawBitmaps rely on the fact that no clipping is done 145528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * in the draw path. Instead, clipping is done ahead of time - either as a single clip rect (when at 145628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * least one op is clipped), or disabled entirely (because no merged op is clipped) 145728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * 145828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik * This method should be called when restoreDisplayState() won't be restoring the clip 145928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik */ 146028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craikvoid OpenGLRenderer::setupMergedMultiDraw(const Rect* clipRect) { 146128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik if (clipRect != NULL) { 146228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mSnapshot->setClip(clipRect->left, clipRect->top, clipRect->right, clipRect->bottom); 146328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } else { 146414e513058ed4168c94e015638d16f5f87fd8063aChris Craik mSnapshot->setClip(0, 0, getWidth(), getHeight()); 146528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 1466527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik dirtyClip(); 146728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik mCaches.setScissorEnabled(clipRect != NULL || mScissorOptimizationDisabled); 1468527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik} 1469527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 1470c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1471f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1472f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1473f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1474bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1475d6b65f67717025b1162f86f04e2caa5723566cacChris Craik Rect clip(*currentClipRect()); 1476e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 14778f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 1478d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (mCaches.setScissor(clip.left, currentSnapshot()->height - clip.bottom, 14798a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 14808a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mDirtyClip = false; 14818a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 14829d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 14839d5316e3f56d138504565ff311145ac01621dff4Romain Guy 14848ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::ensureStencilBuffer() { 14858ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Thanks to the mismatch between EGL and OpenGL ES FBO we 14868ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // cannot attach a stencil buffer to fbo0 dynamically. Let's 14878ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // just hope we have one when hasLayer() returns false. 14888ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (hasLayer()) { 1489d6b65f67717025b1162f86f04e2caa5723566cacChris Craik attachStencilBufferToLayer(currentSnapshot()->layer); 14908ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14918ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 14928ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14938ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::attachStencilBufferToLayer(Layer* layer) { 14948ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The layer's FBO is already bound when we reach this stage 14958ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!layer->getStencilRenderBuffer()) { 1496c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // GL_QCOM_tiled_rendering doesn't like it if a renderbuffer 1497c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // is attached after we initiated tiling. We must turn it off, 1498c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // attach the new render buffer then turn tiling back on 1499c3fedafc5f50100219449125a000e3138f6fb987Romain Guy endTiling(); 1500c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 15018d4aeb7111afac0c3c7e56d4ad5d92f9cfce2ffdRomain Guy RenderBuffer* buffer = mCaches.renderBufferCache.get( 15023bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy Stencil::getSmallestStencilFormat(), layer->getWidth(), layer->getHeight()); 15038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->setStencilRenderBuffer(buffer); 1504c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 1505f735c8e5cb59d6e1d1aa152fed7a6480a08d1c2aRomain Guy startTiling(layer->clipRect, layer->layer.getHeight()); 15068ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15078ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 15088ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15098ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::setStencilFromClip() { 15108ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mCaches.debugOverdraw) { 1511d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentSnapshot()->clipRegion->isEmpty()) { 15128ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: The order here is important, we must set dirtyClip to false 15138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // before any draw call to avoid calling back into this method 15148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mDirtyClip = false; 15158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15168ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy ensureStencilBuffer(); 15178ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15188ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableWrite(); 15198ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15208ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Clear the stencil but first make sure we restrict drawing 15218ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // to the region's bounds 15228ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool resetScissor = mCaches.enableScissor(); 15238ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) { 15248ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The scissor was not set so we now need to update it 15258ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setScissorFromClip(); 15268ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15278ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.clear(); 15288ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) mCaches.disableScissor(); 15298ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 153076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 153176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0xff000000); 153276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setXfermodeMode(SkXfermode::kSrc_Mode); 153376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 15348ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: We could use the region contour path to generate a smaller mesh 15358ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Since we are using the stencil we could use the red book path 15368ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // drawing technique. It might increase bandwidth usage though. 15378ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15388ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The last parameter is important: we are not drawing in the color buffer 15398ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // so we don't want to dirty the current layer, if any 154076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawRegionRects(*(currentSnapshot()->clipRegion), paint, false); 15418ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15428ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableTest(); 15433ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 15443ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Draw the region used to generate the stencil if the appropriate debug 15453ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // mode is enabled 15463ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy if (mCaches.debugStencilClip == Caches::kStencilShowRegion) { 154776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0x7f0000ff); 154876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setXfermodeMode(SkXfermode::kSrcOver_Mode); 154976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawRegionRects(*(currentSnapshot()->clipRegion), paint); 15503ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy } 15518ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 15528ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.disable(); 15538ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15548ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15558ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 15568ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1557f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik/** 1558f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * Returns false and sets scissor enable based upon bounds if drawing won't be clipped out. 1559f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * 1560f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * @param paint if not null, the bounds will be expanded to account for stroke depending on paint 1561f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik * style, and tessellated AA ramp 1562f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik */ 1563f0a590781b2c3e34132b2011d3956135add73ae0Chris Craikbool OpenGLRenderer::quickRejectSetupScissor(float left, float top, float right, float bottom, 1564d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 1565f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bool clipRequired = false; 1566f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bool snapOut = paint && paint->isAntiAlias(); 15675e49b307eb99269db2db257760508b8efd7bb97dChris Craik 1568f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (paint && paint->getStyle() != SkPaint::kFill_Style) { 1569cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = paint->getStrokeWidth() * 0.5f; 1570f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik left -= outset; 1571f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik top -= outset; 1572f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik right += outset; 1573f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bottom += outset; 1574cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 1575cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik 1576f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (calculateQuickRejectForScissor(left, top, right, bottom, &clipRequired, snapOut)) { 1577dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1578dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1579dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 1580b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craik if (!isRecording()) { 1581f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik // not quick rejected, so enable the scissor if clipRequired 158239a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 1583586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy } 158439a908c1df89e1073627b0dcbce922d826b67055Chris Craik return false; 1585c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1586c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 15878ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::debugClip() { 1588735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy#if DEBUG_CLIP_REGIONS 1589d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!isRecording() && !currentSnapshot()->clipRegion->isEmpty()) { 159076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 159176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0x7f00ff00); 159276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawRegionRects(*(currentSnapshot()->clipRegion, paint); 159376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 15948ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15958ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy#endif 15968ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 1597735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1598f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 159970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 160070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 160170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 160254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 1603f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik // TODO: It would be best if we could do this before quickRejectSetupScissor() 16048a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 160554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 16068ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Make sure setScissor & setStencil happen at the beginning of 16078ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // this method 1608b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mDirtyClip) { 1609b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mCaches.scissorEnabled) { 1610b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik setScissorFromClip(); 1611b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik } 16128ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setStencilFromClip(); 161370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 16143ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 161570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 16163ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 161770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 161870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 161970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 162070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 162170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 16223ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 16233ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Enable debug highlight when what we're about to draw is tested against 16243ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // the stencil buffer and if stencil highlight debugging is on 16253ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mDescription.hasDebugHighlight = !mCaches.debugOverdraw && 16263ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.debugStencilClip == Caches::kStencilShowHighlight && 16273ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.stencil.isTestEnabled(); 162878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 162978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mDescription.emulateStencil = mCountOverdraw; 163070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 163170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 163270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 163370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 163470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 163570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 163670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1637ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyvoid OpenGLRenderer::setupDrawWithTextureAndColor(bool isAlpha8) { 1638ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasTexture = true; 1639ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasColors = true; 1640ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 1641ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1642ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1643aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1644aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1645aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1646aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 164715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 1648ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.disableTexCoordsVertexArray(); 164915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 165015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1651710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikvoid OpenGLRenderer::setupDrawAA() { 165299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 16535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 16545b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 16558d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 16568d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 1657886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1658886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1659886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 166070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 1661e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik mSetShaderColor = mDescription.setColorModulate(mColorA); 166270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 166370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 166486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 166586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 1666886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1667886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1668886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 166986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 1670e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik mSetShaderColor = mDescription.setAlpha8ColorModulate(mColorR, mColorG, mColorB, mColorA); 167186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 167286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 16734121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 16744121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 16754121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 16764121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 167770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 167870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 167970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 168070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 168170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 168270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 1683e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik mSetShaderColor = mDescription.setColorModulate(a); 168470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 168570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 168670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 1687c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 1688c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->describe(mDescription, mExtensions); 168970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 169070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 169170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 169276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawColorFilter(const SkColorFilter* filter) { 169376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter == NULL) { 169476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 169576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 169676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 169776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 169876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter->asColorMode(NULL, &mode)) { 169976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger mDescription.colorOp = ProgramDescription::kColorBlend; 170076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger mDescription.colorMode = mode; 170176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } else if (filter->asColorMatrix(NULL)) { 170276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger mDescription.colorOp = ProgramDescription::kColorMatrix; 170370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 170470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 170570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1706f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1707f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1708f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1709f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 171054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1711f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1712f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1713f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 171476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawBlending(const Layer* layer, bool swapSrcDst) { 171576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode = layer->getMode(); 1716f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1717f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1718f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 171976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool blend = layer->isBlend() || getLayerAlpha(layer) < 1.0f || 172076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger (mColorSet && mColorA < 1.0f) || 172176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger (mDrawModifiers.mShader && mDrawModifiers.mShader->blend()) || 172276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger layer->getColorFilter(); 1723c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 172470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 172570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 172676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawBlending(const SkPaint* paint, bool blend, bool swapSrcDst) { 172776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode = getXfermodeDirect(paint); 1728f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1729f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1730f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1731c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik blend |= (mColorSet && mColorA < 1.0f) || 1732c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik (mDrawModifiers.mShader && mDrawModifiers.mShader->blend()) || 173376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger (paint && paint->getColorFilter()); 1734c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 173570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 173670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 173770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 173870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 173970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 174070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 174170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 174270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 174370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 174470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 17454063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craikvoid OpenGLRenderer::setupDrawModelView(ModelViewMode mode, bool offset, 17464063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik float left, float top, float right, float bottom, bool ignoreTransform) { 174770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 17484063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik if (mode == kModelViewMode_TranslateAndScale) { 174970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 175070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 17514063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 175286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 175386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 1754d6b65f67717025b1162f86f04e2caa5723566cacChris Craik mCaches.currentProgram->set(mViewProjMatrix, mModelView, *currentTransform(), offset); 1755d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (dirty && mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *currentTransform()); 175686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 1757f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik mCaches.currentProgram->set(mViewProjMatrix, mModelView, mat4::identity(), offset); 17584063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik if (dirty && mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 175986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 176070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 176170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 176270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 1763c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if ((mColorSet && !mDrawModifiers.mShader) || (mDrawModifiers.mShader && mSetShaderColor)) { 176470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 176570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 176670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 176770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 176886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 17695536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 177086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 17715536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 17725536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 17735536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 177470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 1775c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 177670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 17774063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik // if ignoreTransform=true was passed to setupDrawModelView, undo currentTransform() 17784063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik // because it was built into modelView / the geometry, and the SkiaShader needs to 17794063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik // compensate. 17804063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik mat4 modelViewWithoutTransform; 1781d6b65f67717025b1162f86f04e2caa5723566cacChris Craik modelViewWithoutTransform.loadInverse(*currentTransform()); 17824063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik modelViewWithoutTransform.multiply(mModelView); 17834063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik mModelView.load(modelViewWithoutTransform); 178470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1785c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->setupProgram(mCaches.currentProgram, 1786c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mModelView, *mSnapshot, &mTextureUnit); 178770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 178870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 178970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 179076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergervoid OpenGLRenderer::setupDrawColorFilterUniforms(const SkColorFilter* filter) { 179176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (NULL == filter) { 179276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 179376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 179476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 179576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkColor color; 179676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 179776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter->asColorMode(&color, &mode)) { 179876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const int alpha = SkColorGetA(color); 179976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat a = alpha / 255.0f; 180076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat r = a * SkColorGetR(color) / 255.0f; 180176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat g = a * SkColorGetG(color) / 255.0f; 180276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const GLfloat b = a * SkColorGetB(color) / 255.0f; 180376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger glUniform4f(mCaches.currentProgram->getUniform("colorBlend"), r, g, b, a); 180476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 180576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 180676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 180776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkScalar srcColorMatrix[20]; 180876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (filter->asColorMatrix(srcColorMatrix)) { 180976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 181076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger float colorMatrix[16]; 181176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(colorMatrix, srcColorMatrix, 4 * sizeof(float)); 181276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(&colorMatrix[4], &srcColorMatrix[5], 4 * sizeof(float)); 181376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(&colorMatrix[8], &srcColorMatrix[10], 4 * sizeof(float)); 181476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger memcpy(&colorMatrix[12], &srcColorMatrix[15], 4 * sizeof(float)); 181576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 181676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // Skia uses the range [0..255] for the addition vector, but we need 181776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // the [0..1] range to apply the vector in GLSL 181876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger float colorVector[4]; 181976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[0] = srcColorMatrix[4] / 255.0f; 182076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[1] = srcColorMatrix[9] / 255.0f; 182176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[2] = srcColorMatrix[14] / 255.0f; 182276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger colorVector[3] = srcColorMatrix[19] / 255.0f; 182376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 182476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger glUniformMatrix4fv(mCaches.currentProgram->getUniform("colorMatrix"), 1, 182576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GL_FALSE, colorMatrix); 182676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger glUniform4fv(mCaches.currentProgram->getUniform("colorMatrixVector"), 1, colorVector); 182776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return; 182870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 182976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 183076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // it is an error if we ever get here 183170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 183270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 18334121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 18344121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 18354121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 18364121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 183770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1838f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1839cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, 0); 184015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 184170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 184270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 184370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 1844257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (texture) bindTexture(texture); 18452d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 184615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 184770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 184870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1849aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1850aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 18512d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 185215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1853aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1854aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 18558f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 18568f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 18578f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 18588f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 18598f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1860aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1861aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1862aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1863aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1864564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craikvoid OpenGLRenderer::setupDrawMesh(const GLvoid* vertices, 1865564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik const GLvoid* texCoords, GLuint vbo) { 1866f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 18673b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!vertices || vbo) { 1868f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 186970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1870f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 187170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1872d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1873cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 187415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1875cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 187615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 187715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 187815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 187915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 188015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1881564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craikvoid OpenGLRenderer::setupDrawMesh(const GLvoid* vertices, 1882564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik const GLvoid* texCoords, const GLvoid* colors) { 1883ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool force = mCaches.unbindMeshBuffer(); 1884ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy GLsizei stride = sizeof(ColorTextureVertex); 1885ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1886ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindPositionVertexPointer(force, vertices, stride); 1887ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (mCaches.currentProgram->texCoords >= 0) { 1888ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindTexCoordsVertexPointer(force, texCoords, stride); 1889ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1890ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 1891ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 1892ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glEnableVertexAttribArray(slot); 1893ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glVertexAttribPointer(slot, 4, GL_FLOAT, GL_FALSE, stride, colors); 1894ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1895ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1896ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.unbindIndicesBuffer(); 1897ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1898ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1899564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craikvoid OpenGLRenderer::setupDrawMeshIndices(const GLvoid* vertices, 1900564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik const GLvoid* texCoords, GLuint vbo) { 19013b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bool force = false; 19023b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // If vbo is != 0 we want to treat the vertices parameter as an offset inside 19033b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // a VBO. However, if vertices is set to NULL and vbo == 0 then we want to 19043b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // use the default VBO found in Caches 19053b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!vertices || vbo) { 19063b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 19073b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } else { 19083b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy force = mCaches.unbindMeshBuffer(); 19093b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 19103b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mCaches.bindIndicesBuffer(); 19113b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1912cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 191315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1914cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 19158d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 191670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 191770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1918448455fe783b0a711340322dca272b8cc0ebe473Romain Guyvoid OpenGLRenderer::setupDrawIndexedVertices(GLvoid* vertices) { 1919f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1920448455fe783b0a711340322dca272b8cc0ebe473Romain Guy mCaches.bindIndicesBuffer(); 1921cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices, gVertexStride); 19225b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 19235b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 192470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1925f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1926f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1927f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1928ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikstatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, Rect& dirty, 1929ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik int32_t replayFlags) { 193058d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status_t status; 1931f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 1932ba9b613437c34873fa95800a25fc51720638267cChris Craik if (mCaches.propertyDirtyViewport) { 1933ba9b613437c34873fa95800a25fc51720638267cChris Craik // force recalc of view/proj matrices 193414e513058ed4168c94e015638d16f5f87fd8063aChris Craik setViewport(getWidth(), getHeight()); 1935ba9b613437c34873fa95800a25fc51720638267cChris Craik mCaches.propertyDirtyViewport = false; 1936ba9b613437c34873fa95800a25fc51720638267cChris Craik } 1937ba9b613437c34873fa95800a25fc51720638267cChris Craik 19380fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 19390fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 194004c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 1941f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik // compute 3d ordering 1942f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik displayList->computeOrdering(); 1943d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 194458d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status = startFrame(); 1945ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik ReplayStateStruct replayStruct(*this, dirty, replayFlags); 1946ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik displayList->replay(replayStruct, 0); 194758d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase return status | replayStruct.mDrawGlStatus; 1948c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1949c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 195028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik bool avoidOverdraw = !mCaches.debugOverdraw && !mCountOverdraw; // shh, don't tell devs! 1951d6b65f67717025b1162f86f04e2caa5723566cacChris Craik DeferredDisplayList deferredList(*currentClipRect(), avoidOverdraw); 1952ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik DeferStateStruct deferStruct(deferredList, *this, replayFlags); 1953ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik displayList->defer(deferStruct, 0); 195496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 195596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy flushLayers(); 195658d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status = startFrame(); 195796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 1958f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik return deferredList.flush(*this, dirty) | status; 19590fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 19607b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 19616554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 19620fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 19630fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1964d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, const SkPaint* paint) { 1965886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint != NULL ? paint->getColor() : 0; 1966886b275e529e44a59c54b933453d9bc902973178Romain Guy 1967a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1968a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1969a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1970886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1971886b275e529e44a59c54b933453d9bc902973178Romain Guy 1972a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1973d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentTransform()->isPureTranslate()) { 1974d6b65f67717025b1162f86f04e2caa5723566cacChris Craik x = (int) floorf(left + currentTransform()->getTranslateX() + 0.5f); 1975d6b65f67717025b1162f86f04e2caa5723566cacChris Craik y = (int) floorf(top + currentTransform()->getTranslateY() + 0.5f); 1976a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1977a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1978886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(GL_NEAREST, true); 1979886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 1980886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(FILTER(paint), true); 19815b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1982e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 19833b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // No need to check for a UV mapper on the texture object, only ARGB_8888 19843b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // bitmaps get packed in the atlas 1985886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 198676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 19873b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 1988a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1989a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 199003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy/** 199103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * Important note: this method is intended to draw batches of bitmaps and 199203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * will not set the scissor enable or dirty the current layer, if any. 199303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * The caller is responsible for properly dirtying the current layer. 199403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy */ 1995d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmaps(const SkBitmap* bitmap, AssetAtlas::Entry* entry, 1996d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik int bitmapCount, TextureVertex* vertices, bool pureTranslate, 1997d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const Rect& bounds, const SkPaint* paint) { 1998527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mCaches.activeTexture(0); 199955b6f95ee4ace96c97508bcd14483fb4e9dbeaa0Romain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 2000527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (!texture) return DrawGlInfo::kStatusDone; 20013b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2002527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const AutoTexture autoCleanup(texture); 2003527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2004527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik texture->setWrap(GL_CLAMP_TO_EDGE, true); 2005996fe656340ede058a6f0e6b18f9ec525ddb4e27Chris Craik texture->setFilter(pureTranslate ? GL_NEAREST : FILTER(paint), true); 2006527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2007527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const float x = (int) floorf(bounds.left + 0.5f); 2008527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const float y = (int) floorf(bounds.top + 0.5f); 20094b9a19a8f865970e0079f431c8c2c2a8e4333ae9Leon Scroggins III if (CC_UNLIKELY(bitmap->config() == SkBitmap::kA8_Config)) { 2010527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawAlpha8TextureMesh(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 201176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, &vertices[0].x, &vertices[0].u, 20124063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, bitmapCount * 6, true, 20134063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik kModelViewMode_Translate, false); 2014527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } else { 2015527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawTextureMesh(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 201676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, texture->blend, &vertices[0].x, &vertices[0].u, 20174063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, bitmapCount * 6, false, true, 0, 20184063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik kModelViewMode_Translate, false); 2019527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 2020527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2021527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik return DrawGlInfo::kStatusDrew; 2022527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik} 2023527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2024d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmap(const SkBitmap* bitmap, float left, float top, 2025d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 20266926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 20276926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 20286926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2029f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 2030486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 20316926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 20326926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2033a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 20343b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2035486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 203622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 203722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 20384b9a19a8f865970e0079f431c8c2c2a8e4333ae9Leon Scroggins III if (CC_UNLIKELY(bitmap->config() == SkBitmap::kA8_Config)) { 2039a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 2040a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 2041a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 2042a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 2043486590963e2207d68eebd6944fec70d50d41116aChet Haase 2044486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 20458ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 20468ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 2047d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmap(const SkBitmap* bitmap, const SkMatrix* matrix, 2048d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2049f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 2050f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 2051f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 2052f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 2053f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(r.left, r.top, r.right, r.bottom)) { 2054486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 20556926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 20566926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2057a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 20583b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2059486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 206022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 206122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 20625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 20635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 20645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 20655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 20664b9a19a8f865970e0079f431c8c2c2a8e4333ae9Leon Scroggins III if (CC_UNLIKELY(bitmap->config() == SkBitmap::kA8_Config)) { 2067886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, 0.0f, 0.0f, paint); 2068886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2069886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 2070886b275e529e44a59c54b933453d9bc902973178Romain Guy } 20715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 2072486590963e2207d68eebd6944fec70d50d41116aChet Haase 2073486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2074f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 2075f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 2076d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmapData(const SkBitmap* bitmap, float left, float top, 2077d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2078e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 2079e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 2080e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2081f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 2082486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2083e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 2084e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2085e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 2086e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 2087e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 2088e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 20894b9a19a8f865970e0079f431c8c2c2a8e4333ae9Leon Scroggins III if (CC_UNLIKELY(bitmap->config() == SkBitmap::kA8_Config)) { 2090886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, left, top, paint); 2091886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2092886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(left, top, right, bottom, texture, paint); 2093886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2094486590963e2207d68eebd6944fec70d50d41116aChet Haase 2095486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2096e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 2097e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2098d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmapMesh(const SkBitmap* bitmap, int meshWidth, int meshHeight, 2099d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* vertices, const int* colors, const SkPaint* paint) { 2100d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!vertices || currentSnapshot()->isIgnored()) { 2101486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 21025a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 21035a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 210439a908c1df89e1073627b0dcbce922d826b67055Chris Craik // TODO: use quickReject on bounds from vertices 210539a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 210639a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2107b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 2108b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 2109b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 2110b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 2111b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2112a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const uint32_t count = meshWidth * meshHeight * 6; 2113b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2114564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik Vector<ColorTextureVertex> mesh; // TODO: use C++11 unique_ptr 2115564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik mesh.setCapacity(count); 2116564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik ColorTextureVertex* vertex = mesh.editArray(); 2117ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2118ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool cleanupColors = false; 2119ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!colors) { 2120ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy uint32_t colorsCount = (meshWidth + 1) * (meshHeight + 1); 2121d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik int* newColors = new int[colorsCount]; 2122d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik memset(newColors, 0xff, colorsCount * sizeof(int)); 2123d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik colors = newColors; 2124ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy cleanupColors = true; 2125ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2126a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 21273b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mCaches.activeTexture(0); 21283b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = mCaches.assetAtlas.getEntryTexture(bitmap); 21293b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy const UvMapper& mapper(getMapper(texture)); 21303b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 21315a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 21325a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 21335a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 21345a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 21355a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 21365a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 21375a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 21385a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 21395a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 21403b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mapper.map(u1, v1, u2, v2); 21413b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 21425a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 21435a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 21445a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 21455a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 21465a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 21475a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 21485a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 21495a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 21505a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2151ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 2152ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2, colors[ax / 2]); 2153ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 21545a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2155ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 2156ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 2157ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1, colors[cx / 2]); 2158b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2159a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 2160a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 2161a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 2162a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 21635a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 21645a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 21655a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2166f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 2167ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 2168a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy return DrawGlInfo::kStatusDone; 2169a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy } 2170a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2171ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!texture) { 21723b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture = mCaches.textureCache.get(bitmap); 21733b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!texture) { 21743b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (cleanupColors) delete[] colors; 21753b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return DrawGlInfo::kStatusDone; 21763b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 2177ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2178a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const AutoTexture autoCleanup(texture); 2179a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2180a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2181a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setFilter(FILTER(paint), true); 2182a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2183a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy int alpha; 2184a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy SkXfermode::Mode mode; 2185a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2186a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2187ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy float a = alpha / 255.0f; 2188ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2189a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (hasLayer()) { 2190d6b65f67717025b1162f86f04e2caa5723566cacChris Craik dirtyLayer(left, top, right, bottom, *currentTransform()); 2191b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 2192b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2193ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDraw(); 2194ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawWithTextureAndColor(); 2195ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColor(a, a, a, a); 219676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 219776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 2198ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawProgram(); 2199ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawDirtyRegionsDisabled(); 22004063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 0.0f, 0.0f, 1.0f, 1.0f); 2201ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawTexture(texture->id); 2202ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawPureColorUniforms(); 220376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 22043380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawMesh(&mesh[0].x, &mesh[0].u, &mesh[0].r); 2205ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2206ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDrawArrays(GL_TRIANGLES, 0, count); 2207ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2208ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 2209ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 2210ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDisableVertexAttribArray(slot); 2211ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2212ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2213ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 2214486590963e2207d68eebd6944fec70d50d41116aChet Haase 2215486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 22165a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 22175a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2218d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawBitmap(const SkBitmap* bitmap, 22198ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 22208ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 2221d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2222f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(dstLeft, dstTop, dstRight, dstBottom)) { 2223486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 22246926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 22256926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2226a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 22273b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2228486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 222922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 22308ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 22318ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 22328ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 2233c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 22343b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float u1 = fmax(0.0f, srcLeft / width); 22353b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float v1 = fmax(0.0f, srcTop / height); 22363b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float u2 = fmin(1.0f, srcRight / width); 22373b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float v2 = fmin(1.0f, srcBottom / height); 22383b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 22393b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy getMapper(texture).map(u1, v1, u2, v2); 2240c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 224103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 22428ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 22438ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 2244d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2245d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 2246886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleX = (dstRight - dstLeft) / (srcRight - srcLeft); 2247886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleY = (dstBottom - dstTop) / (srcBottom - srcTop); 22486620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2249886b275e529e44a59c54b933453d9bc902973178Romain Guy bool scaled = scaleX != 1.0f || scaleY != 1.0f; 2250886b275e529e44a59c54b933453d9bc902973178Romain Guy // Apply a scale transform on the canvas only when a shader is in use 2251886b275e529e44a59c54b933453d9bc902973178Romain Guy // Skia handles the ratio between the dst and src rects as a scale factor 2252886b275e529e44a59c54b933453d9bc902973178Romain Guy // when a shader is set 2253c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik bool useScaleTransform = mDrawModifiers.mShader && scaled; 2254886b275e529e44a59c54b933453d9bc902973178Romain Guy bool ignoreTransform = false; 2255b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 2256d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (CC_LIKELY(currentTransform()->isPureTranslate() && !useScaleTransform)) { 2257d6b65f67717025b1162f86f04e2caa5723566cacChris Craik float x = (int) floorf(dstLeft + currentTransform()->getTranslateX() + 0.5f); 2258d6b65f67717025b1162f86f04e2caa5723566cacChris Craik float y = (int) floorf(dstTop + currentTransform()->getTranslateY() + 0.5f); 2259886b275e529e44a59c54b933453d9bc902973178Romain Guy 2260886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = x + (dstRight - dstLeft); 2261886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = y + (dstBottom - dstTop); 2262886b275e529e44a59c54b933453d9bc902973178Romain Guy 2263886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = x; 2264886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = y; 2265886b275e529e44a59c54b933453d9bc902973178Romain Guy 2266886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(scaled ? FILTER(paint) : GL_NEAREST, true); 2267886b275e529e44a59c54b933453d9bc902973178Romain Guy ignoreTransform = true; 22686620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2269d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 2270886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2271886b275e529e44a59c54b933453d9bc902973178Romain Guy 2272886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2273886b275e529e44a59c54b933453d9bc902973178Romain Guy save(SkCanvas::kMatrix_SaveFlag); 2274886b275e529e44a59c54b933453d9bc902973178Romain Guy translate(dstLeft, dstTop); 2275886b275e529e44a59c54b933453d9bc902973178Romain Guy scale(scaleX, scaleY); 2276886b275e529e44a59c54b933453d9bc902973178Romain Guy 2277886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = 0.0f; 2278886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = 0.0f; 2279886b275e529e44a59c54b933453d9bc902973178Romain Guy 2280886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = srcRight - srcLeft; 2281886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = srcBottom - srcTop; 2282886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2283886b275e529e44a59c54b933453d9bc902973178Romain Guy 22844b9a19a8f865970e0079f431c8c2c2a8e4333ae9Leon Scroggins III if (CC_UNLIKELY(bitmap->config() == SkBitmap::kA8_Config)) { 2285886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(dstLeft, dstTop, dstRight, dstBottom, 228676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, 22873380cfdc77100e87aa8390386ccf390834dea171Romain Guy &mMeshVertices[0].x, &mMeshVertices[0].u, 2288886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 2289886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2290886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, 229176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->id, paint, texture->blend, 22923380cfdc77100e87aa8390386ccf390834dea171Romain Guy &mMeshVertices[0].x, &mMeshVertices[0].u, 2293886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, ignoreTransform); 2294886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2295886b275e529e44a59c54b933453d9bc902973178Romain Guy 2296886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2297886b275e529e44a59c54b933453d9bc902973178Romain Guy restore(); 22986620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 22998ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 23008ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 2301486590963e2207d68eebd6944fec70d50d41116aChet Haase 2302486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2303ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 2304ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 2305d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPatch(const SkBitmap* bitmap, const Res_png_9patch* patch, 2306d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float left, float top, float right, float bottom, const SkPaint* paint) { 2307f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 23084c2547fa9244e78115cde0a259291053108c3dc7Romain Guy return DrawGlInfo::kStatusDone; 23094c2547fa9244e78115cde0a259291053108c3dc7Romain Guy } 23104c2547fa9244e78115cde0a259291053108c3dc7Romain Guy 23114c2547fa9244e78115cde0a259291053108c3dc7Romain Guy AssetAtlas::Entry* entry = mCaches.assetAtlas.getEntry(bitmap); 23124c2547fa9244e78115cde0a259291053108c3dc7Romain Guy const Patch* mesh = mCaches.patchCache.get(entry, bitmap->width(), bitmap->height(), 23134c2547fa9244e78115cde0a259291053108c3dc7Romain Guy right - left, bottom - top, patch); 23144c2547fa9244e78115cde0a259291053108c3dc7Romain Guy 231503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy return drawPatch(bitmap, mesh, entry, left, top, right, bottom, paint); 2316be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 2317be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 2318d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPatch(const SkBitmap* bitmap, const Patch* mesh, 2319d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik AssetAtlas::Entry* entry, float left, float top, float right, float bottom, 2320d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2321f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(left, top, right, bottom)) { 2322486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 23236926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 23246926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2325211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 2326a4adcf0239039eb8f005be252409901c41b28839Romain Guy mCaches.activeTexture(0); 2327a404e16e4933857464046d763ed7629cd0c86cbfRomain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 2328a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (!texture) return DrawGlInfo::kStatusDone; 2329a4adcf0239039eb8f005be252409901c41b28839Romain Guy const AutoTexture autoCleanup(texture); 23303b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2331a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2332a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setFilter(GL_LINEAR, true); 2333a4adcf0239039eb8f005be252409901c41b28839Romain Guy 2334d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const bool pureTranslate = currentTransform()->isPureTranslate(); 23355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 23368168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 2337d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float offsetX = left + currentTransform()->getTranslateX(); 2338d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float offsetY = top + currentTransform()->getTranslateY(); 23395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 23405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 23418ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 2342211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2343c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 2344c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 2345c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 23466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2347c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 2348d6b65f67717025b1162f86f04e2caa5723566cacChris Craik left + bounds.right, top + bounds.bottom, *currentTransform()); 23496620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 23505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 23515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 23525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 23534063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool ignoreTransform = false; 2354211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2355d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float x = (int) floorf(left + currentTransform()->getTranslateX() + 0.5f); 2356d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float y = (int) floorf(top + currentTransform()->getTranslateY() + 0.5f); 23576620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 23583b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy right = x + right - left; 23593b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bottom = y + bottom - top; 23604063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik left = x; 23614063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik top = y; 23624063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ignoreTransform = true; 23636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 236476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawIndexedTextureMesh(left, top, right, bottom, texture->id, paint, 236576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->blend, (GLvoid*) mesh->offset, (GLvoid*) mesh->textureOffset, 23664063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, mesh->indexCount, false, ignoreTransform, 23674063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik mCaches.patchCache.getMeshBuffer(), kModelViewMode_Translate, !mesh->hasEmptyQuads); 2368054dc1840941665e32036f9523df51720ad069c8Romain Guy } 2369486590963e2207d68eebd6944fec70d50d41116aChet Haase 2370486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2371f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2372f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 237303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy/** 237403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * Important note: this method is intended to draw batches of 9-patch objects and 237503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * will not set the scissor enable or dirty the current layer, if any. 237603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy * The caller is responsible for properly dirtying the current layer. 237703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy */ 2378d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPatches(const SkBitmap* bitmap, AssetAtlas::Entry* entry, 2379d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik TextureVertex* vertices, uint32_t indexCount, const SkPaint* paint) { 238003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy mCaches.activeTexture(0); 238103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 238203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy if (!texture) return DrawGlInfo::kStatusDone; 238303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy const AutoTexture autoCleanup(texture); 238403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 238503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 238603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy texture->setFilter(GL_LINEAR, true); 238703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 238876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawIndexedTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, paint, 238976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger texture->blend, &vertices[0].x, &vertices[0].u, 23904063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik GL_TRIANGLES, indexCount, false, true, 0, kModelViewMode_Translate, false); 239103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 239203c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy return DrawGlInfo::kStatusDrew; 239303c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy} 239403c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy 2395d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawVertexBuffer(const VertexBuffer& vertexBuffer, const SkPaint* paint, 239665cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset) { 23974063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik // not missing call to quickReject/dirtyLayer, always done at a higher level 23984063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 23996d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik if (!vertexBuffer.getVertexCount()) { 2400bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik // no vertices to draw 240165cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDone; 2402bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik } 2403bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik 240465cd612face362d054a85d0f7e5881c59cd523beChris Craik int color = paint->getColor(); 240565cd612face362d054a85d0f7e5881c59cd523beChris Craik bool isAA = paint->isAntiAlias(); 240665cd612face362d054a85d0f7e5881c59cd523beChris Craik 2407710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDraw(); 2408710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawNoTexture(); 2409710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) setupDrawAA(); 2410710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 241176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 2412710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShader(); 241376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, isAA); 2414710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawProgram(); 24154063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, useOffset, 0, 0, 0, 0); 2416710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorUniforms(); 241776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 24184063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawShaderUniforms(); 2419858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 242055bfb4e728fe1db619af5d2c287f4abe711b3343ztenghui const void* vertices = vertexBuffer.getBuffer(); 2421710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik bool force = mCaches.unbindMeshBuffer(); 2422cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(true, vertices, isAA ? gAlphaVertexStride : gVertexStride); 2423710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.resetTexCoordsVertexPointer(); 2424710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.unbindIndicesBuffer(); 24256ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2426710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik int alphaSlot = -1; 2427710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 2428710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* alphaCoords = ((GLbyte*) vertices) + gVertexAlphaOffset; 2429710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); 24306ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2431710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik // TODO: avoid enable/disable in back to back uses of the alpha attribute 24326ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glEnableVertexAttribArray(alphaSlot); 24336ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); 2434710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 24356ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 24366d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik glDrawArrays(GL_TRIANGLE_STRIP, 0, vertexBuffer.getVertexCount()); 24377b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2438710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 24396ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDisableVertexAttribArray(alphaSlot); 244004299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 244165cd612face362d054a85d0f7e5881c59cd523beChris Craik 244265cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2443858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 2444858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2445858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 244665cd612face362d054a85d0f7e5881c59cd523beChris Craik * Renders a convex path via tessellation. For AA paths, this function uses a similar approach to 244765cd612face362d054a85d0f7e5881c59cd523beChris Craik * that of AA lines in the drawLines() function. We expand the convex path by a half pixel in 244865cd612face362d054a85d0f7e5881c59cd523beChris Craik * screen space in all directions. However, instead of using a fragment shader to compute the 244965cd612face362d054a85d0f7e5881c59cd523beChris Craik * translucency of the color from its position, we simply use a varying parameter to define how far 245065cd612face362d054a85d0f7e5881c59cd523beChris Craik * a given pixel is from the edge. For non-AA paths, the expansion and alpha varying are not used. 245165cd612face362d054a85d0f7e5881c59cd523beChris Craik * 245265cd612face362d054a85d0f7e5881c59cd523beChris Craik * Doesn't yet support joins, caps, or path effects. 245399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 2454d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawConvexPath(const SkPath& path, const SkPaint* paint) { 245565cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer vertexBuffer; 245665cd612face362d054a85d0f7e5881c59cd523beChris Craik // TODO: try clipping large paths to viewport 2457d6b65f67717025b1162f86f04e2caa5723566cacChris Craik PathTessellator::tessellatePath(path, paint, *currentTransform(), vertexBuffer); 24587b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2459c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy if (hasLayer()) { 2460c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy SkRect bounds = path.getBounds(); 2461f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik PathTessellator::expandBoundsForStroke(bounds, paint); 2462d6b65f67717025b1162f86f04e2caa5723566cacChris Craik dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, *currentTransform()); 2463c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy } 24647b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 246565cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawVertexBuffer(vertexBuffer, paint); 246665cd612face362d054a85d0f7e5881c59cd523beChris Craik} 24677b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 246865cd612face362d054a85d0f7e5881c59cd523beChris Craik/** 246965cd612face362d054a85d0f7e5881c59cd523beChris Craik * We create tristrips for the lines much like shape stroke tessellation, using a per-vertex alpha 247065cd612face362d054a85d0f7e5881c59cd523beChris Craik * and additional geometry for defining an alpha slope perimeter. 247165cd612face362d054a85d0f7e5881c59cd523beChris Craik * 247265cd612face362d054a85d0f7e5881c59cd523beChris Craik * Using GL_LINES can be difficult because the rasterization rules for those lines produces some 247365cd612face362d054a85d0f7e5881c59cd523beChris Craik * unexpected results, and may vary between hardware devices. Previously we used a varying-base 247465cd612face362d054a85d0f7e5881c59cd523beChris Craik * in-shader alpha region, but found it to be taxing on some GPUs. 247565cd612face362d054a85d0f7e5881c59cd523beChris Craik * 247665cd612face362d054a85d0f7e5881c59cd523beChris Craik * TODO: try using a fixed input buffer for non-capped lines as in text rendering. this may reduce 247765cd612face362d054a85d0f7e5881c59cd523beChris Craik * memory transfer by removing need for degenerate vertices. 247865cd612face362d054a85d0f7e5881c59cd523beChris Craik */ 2479d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawLines(const float* points, int count, const SkPaint* paint) { 2480d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || count < 4) return DrawGlInfo::kStatusDone; 24817b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 248265cd612face362d054a85d0f7e5881c59cd523beChris Craik count &= ~0x3; // round down to nearest four 24837b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 248465cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer buffer; 248565cd612face362d054a85d0f7e5881c59cd523beChris Craik SkRect bounds; 2486d6b65f67717025b1162f86f04e2caa5723566cacChris Craik PathTessellator::tessellateLines(points, count, paint, *currentTransform(), bounds, buffer); 2487d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 2488f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik // can't pass paint, since style would be checked for outset. outset done by tessellation. 2489f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom)) { 2490d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy return DrawGlInfo::kStatusDone; 2491d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy } 2492d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 2493d6b65f67717025b1162f86f04e2caa5723566cacChris Craik dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, *currentTransform()); 2494486590963e2207d68eebd6944fec70d50d41116aChet Haase 249565cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset = !paint->isAntiAlias(); 249665cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawVertexBuffer(buffer, paint, useOffset); 24975b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 24985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2499d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPoints(const float* points, int count, const SkPaint* paint) { 2500d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || count < 2) return DrawGlInfo::kStatusDone; 2501ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 25026d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik count &= ~0x1; // round down to nearest two 25037b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 25046d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik VertexBuffer buffer; 25056d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik SkRect bounds; 2506d6b65f67717025b1162f86f04e2caa5723566cacChris Craik PathTessellator::tessellatePoints(points, count, paint, *currentTransform(), bounds, buffer); 25077b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2508f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik // can't pass paint, since style would be checked for outset. outset done by tessellation. 2509f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom)) { 25106d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik return DrawGlInfo::kStatusDone; 2511ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2512ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2513d6b65f67717025b1162f86f04e2caa5723566cacChris Craik dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, *currentTransform()); 2514486590963e2207d68eebd6944fec70d50d41116aChet Haase 25156d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik bool useOffset = !paint->isAntiAlias(); 25166d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik return drawVertexBuffer(buffer, paint, useOffset); 2517ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2518ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2519486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2520e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2521d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 2522e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2523d6b65f67717025b1162f86f04e2caa5723566cacChris Craik Rect clip(*currentClipRect()); 2524ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 252570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 252676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 252776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(color); 252876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setXfermodeMode(mode); 252976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 253076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(clip.left, clip.top, clip.right, clip.bottom, &paint, true); 2531486590963e2207d68eebd6944fec70d50d41116aChet Haase 2532486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2533c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 25349d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2535486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2536d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 2537486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 253801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 253901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 254001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 254101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 254201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 254301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2544486590963e2207d68eebd6944fec70d50d41116aChet Haase 2545486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 254601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 254701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2548486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2549d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float rx, float ry, const SkPaint* p) { 2550d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || quickRejectSetupScissor(left, top, right, bottom, p) || 2551257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2552710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2553710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 255401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2555cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2556710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2557c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getRoundRect( 2558710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik right - left, bottom - top, rx, ry, p); 2559710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2560710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2561710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2562710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2563710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2564cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2565cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = p->getStrokeWidth() / 2; 2566cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(outset, outset); 2567cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rx += outset; 2568cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik ry += outset; 2569cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2570710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRoundRect(rect, rx, ry); 257165cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2572c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 257301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2574d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, const SkPaint* p) { 2575d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || quickRejectSetupScissor(x - radius, y - radius, 2576257ae3502cfad43df681b1783528d645bdabc63fRomain Guy x + radius, y + radius, p) || 2577257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2578710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2579710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2580cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2581710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2582c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getCircle(radius, p); 2583710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(x - radius, y - radius, texture, p); 2584710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2585710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2586710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2587cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2588cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius + p->getStrokeWidth() / 2); 2589cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 2590cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius); 2591cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 259265cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2593c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 259401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2595486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2596d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* p) { 2597d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || quickRejectSetupScissor(left, top, right, bottom, p) || 2598257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2599710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2600710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 260101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2602cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2603710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2604c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getOval(right - left, bottom - top, p); 2605710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2606710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2607710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2608710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2609710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2610cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2611cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2612cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2613710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addOval(rect); 261465cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2615c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2616c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2617486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 2618d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float startAngle, float sweepAngle, bool useCenter, const SkPaint* p) { 2619d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || quickRejectSetupScissor(left, top, right, bottom, p) || 2620257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2621780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return DrawGlInfo::kStatusDone; 2622780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 26238b2f5267f16c295f12faab810527cd6311997e34Romain Guy 26248b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 2625780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawOval(left, top, right, bottom, p); 26268b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 26278b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2628780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik // TODO: support fills (accounting for concavity if useCenter && sweepAngle > 180) 262965cd612face362d054a85d0f7e5881c59cd523beChris Craik if (p->getStyle() != SkPaint::kStroke_Style || p->getPathEffect() != 0 || useCenter) { 2630780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik mCaches.activeTexture(0); 2631c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getArc(right - left, bottom - top, 2632780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik startAngle, sweepAngle, useCenter, p); 2633780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawShape(left, top, texture, p); 2634780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2635780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2636780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2637780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2638780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2639780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2640780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2641780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkPath path; 2642780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2643780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.moveTo(rect.centerX(), rect.centerY()); 2644780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2645780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.arcTo(rect, startAngle, sweepAngle, !useCenter); 2646780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2647780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.close(); 2648780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 264965cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 26508b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 26518b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2652cf8675ee176a375f873792684d38a47f78348dffRomain Guy// See SkPaintDefaults.h 2653cf8675ee176a375f873792684d38a47f78348dffRomain Guy#define SkPaintDefaults_MiterLimit SkIntToScalar(4) 2654cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2655d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, 2656d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* p) { 2657d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored() || quickRejectSetupScissor(left, top, right, bottom, p) || 2658257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2659486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 26606926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 26616926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2662710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2663cf8675ee176a375f873792684d38a47f78348dffRomain Guy // only fill style is supported by drawConvexPath, since others have to handle joins 2664cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getPathEffect() != 0 || p->getStrokeJoin() != SkPaint::kMiter_Join || 2665cf8675ee176a375f873792684d38a47f78348dffRomain Guy p->getStrokeMiter() != SkPaintDefaults_MiterLimit) { 2666cf8675ee176a375f873792684d38a47f78348dffRomain Guy mCaches.activeTexture(0); 2667cf8675ee176a375f873792684d38a47f78348dffRomain Guy const PathTexture* texture = 2668c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy mCaches.pathCache.getRect(right - left, bottom - top, p); 2669cf8675ee176a375f873792684d38a47f78348dffRomain Guy return drawShape(left, top, texture, p); 2670cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2671cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2672cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkPath path; 2673cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2674cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2675cf8675ee176a375f873792684d38a47f78348dffRomain Guy rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2676cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2677cf8675ee176a375f873792684d38a47f78348dffRomain Guy path.addRect(rect); 267865cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2679026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2680026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2681d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (p->isAntiAlias() && !currentTransform()->isSimple()) { 2682710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2683710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRect(left, top, right, bottom); 268465cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2685858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 268676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(left, top, right, bottom, p); 268765cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2688858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2689c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 26909d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2691d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::drawTextShadow(const SkPaint* paint, const char* text, 2692d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik int bytesCount, int count, const float* positions, 269376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger FontRenderer& fontRenderer, int alpha, float x, float y) { 2694416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2695416a847633680d94efb926837efdc18726d54918Raph Levien 2696416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2697416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2698416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2699416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2700c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik paint, text, bytesCount, count, mDrawModifiers.mShadowRadius, positions); 2701cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy // If the drop shadow exceeds the max texture size or couldn't be 2702cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy // allocated, skip drawing 2703cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy if (!shadow) return; 2704416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2705416a847633680d94efb926837efdc18726d54918Raph Levien 2706c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const float sx = x - shadow->left + mDrawModifiers.mShadowDx; 2707c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const float sy = y - shadow->top + mDrawModifiers.mShadowDy; 2708416a847633680d94efb926837efdc18726d54918Raph Levien 2709c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const int shadowAlpha = ((mDrawModifiers.mShadowColor >> 24) & 0xFF) * mSnapshot->alpha; 2710c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik int shadowColor = mDrawModifiers.mShadowColor; 2711c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 2712416a847633680d94efb926837efdc18726d54918Raph Levien shadowColor = 0xffffffff; 2713416a847633680d94efb926837efdc18726d54918Raph Levien } 2714416a847633680d94efb926837efdc18726d54918Raph Levien 2715416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2716416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2717416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 271876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 2719416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShader(); 272076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 2721416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 27224063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 27234063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik sx, sy, sx + shadow->width, sy + shadow->height); 2724416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2725416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 272676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 2727416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShaderUniforms(); 2728416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2729416a847633680d94efb926837efdc18726d54918Raph Levien 2730416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2731416a847633680d94efb926837efdc18726d54918Raph Levien} 2732416a847633680d94efb926837efdc18726d54918Raph Levien 2733768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guybool OpenGLRenderer::canSkipText(const SkPaint* paint) const { 2734768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy float alpha = (mDrawModifiers.mHasShadow ? 1.0f : paint->getAlpha()) * mSnapshot->alpha; 2735768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy return alpha == 0.0f && getXfermode(paint->getXfermode()) == SkXfermode::kSrcOver_Mode; 2736768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy} 2737768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy 2738486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2739d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* positions, const SkPaint* paint) { 2740d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (text == NULL || count == 0 || currentSnapshot()->isIgnored() || canSkipText(paint)) { 2741486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2742eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2743eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2744671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2745d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (!currentTransform()->isSimple()) { 2746486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2747671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2748671d6cf460531825a321edb200523d0faa7792c9Romain Guy 274939a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 275039a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2751671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2752671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2753d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const bool pureTranslate = currentTransform()->isPureTranslate(); 2754671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2755d6b65f67717025b1162f86f04e2caa5723566cacChris Craik x = (int) floorf(x + currentTransform()->getTranslateX() + 0.5f); 2756d6b65f67717025b1162f86f04e2caa5723566cacChris Craik y = (int) floorf(y + currentTransform()->getTranslateY() + 0.5f); 2757671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2758671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2759b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2760c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 2761671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2762671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2763671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2764671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2765671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2766c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (CC_UNLIKELY(mDrawModifiers.mHasShadow)) { 2767e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 276876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger alpha, 0.0f, 0.0f); 2769416a847633680d94efb926837efdc18726d54918Raph Levien } 2770416a847633680d94efb926837efdc18726d54918Raph Levien 2771671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2772d6b65f67717025b1162f86f04e2caa5723566cacChris Craik bool linearFilter = currentTransform()->changesBounds(); 2773671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2774671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2775671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2776257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(linearFilter); 2777671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2778671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2779671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2780671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2781211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2782671d6cf460531825a321edb200523d0faa7792c9Romain Guy 27831e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, x, y, pureTranslate, alpha, mode, paint); 2784671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2785257ae3502cfad43df681b1783528d645bdabc63fRomain Guy positions, hasActiveLayer ? &bounds : NULL, &functor)) { 2786671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2787671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2788d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->mapRect(bounds); 2789671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2790671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2791671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2792671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2793486590963e2207d68eebd6944fec70d50d41116aChet Haase 2794486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2795eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2796eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2797624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guymat4 OpenGLRenderer::findBestFontTransform(const mat4& transform) const { 2798624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy mat4 fontTransform; 2799624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (CC_LIKELY(transform.isPureTranslate())) { 2800624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy fontTransform = mat4::identity(); 2801624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } else { 2802624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (CC_UNLIKELY(transform.isPerspective())) { 2803b09f1471262c3e629daacbc319bcefc2d621a484Romain Guy fontTransform = mat4::identity(); 2804624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } else { 2805624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy float sx, sy; 2806d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->decomposeScale(sx, sy); 2807624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy fontTransform.loadScale(sx, sy, 1.0f); 2808624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } 2809624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } 2810624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy return fontTransform; 2811624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy} 2812624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 281341541825bc90dac740e424cdd41a8c997e15cdb7Chris Craikstatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, float x, float y, 2814d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* positions, const SkPaint* paint, float totalAdvance, const Rect& bounds, 2815527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik DrawOpMode drawOpMode) { 2816527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2817527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (drawOpMode == kDrawOpMode_Immediate) { 281828ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // The checks for corner-case ignorable text and quick rejection is only done for immediate 281928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik // drawing as ops from DeferredDisplayList are already filtered for these 2820d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (text == NULL || count == 0 || currentSnapshot()->isIgnored() || canSkipText(paint) || 2821f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik quickRejectSetupScissor(bounds)) { 282228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik return DrawGlInfo::kStatusDone; 282328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik } 2824cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2825cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 28263a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 28273a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 2828624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 2829d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const mat4& transform = *currentTransform(); 2830624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const bool pureTranslate = transform.isPureTranslate(); 2831c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2832211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2833624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy x = (int) floorf(x + transform.getTranslateX() + 0.5f); 2834624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy y = (int) floorf(y + transform.getTranslateY() + 0.5f); 28356620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 28366620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 283786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 283886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 283986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 28409d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2841c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2842c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2843c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (CC_UNLIKELY(mDrawModifiers.mHasShadow)) { 2844c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 2845c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 284676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger alpha, oldX, oldY); 28471e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 28481e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 284919d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy const bool hasActiveLayer = hasLayer(); 285019d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy 2851624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // We only pass a partial transform to the font renderer. That partial 2852624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix defines how glyphs are rasterized. Typically we want glyphs 2853624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // to be rasterized at their final size on screen, which means the partial 2854624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix needs to take the scale factor into account. 2855624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // When a partial matrix is used to transform glyphs during rasterization, 2856624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated with the inverse transform (in the case of scale, 2857624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated at 1.0 / scale for instance.) This allows us to 2858624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // apply the full transform matrix at draw time in the vertex shader. 2859624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // Applying the full matrix in the shader is the easiest way to handle 2860624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // rotation and perspective and allows us to always generated quads in the 2861624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // font renderer which greatly simplifies the code, clipping in particular. 2862624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy mat4 fontTransform = findBestFontTransform(transform); 28633b753829ae858d424fe109f714745379a6daf455Romain Guy fontRenderer.setFont(paint, fontTransform); 2864c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 28656620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 2866a4adcf0239039eb8f005be252409901c41b28839Romain Guy bool linearFilter = !pureTranslate || fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2867257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(linearFilter); 286806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 2869624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // TODO: Implement better clipping for scaled/rotated text 2870d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const Rect* clip = !pureTranslate ? NULL : currentClipRect(); 287141541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik Rect layerBounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 28725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2873996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 28741e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, x, y, pureTranslate, alpha, mode, paint); 2875527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2876527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // don't call issuedrawcommand, do it at end of batch 2877527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik bool forceFinish = (drawOpMode != kDrawOpMode_Defer); 2878a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy if (CC_UNLIKELY(paint->getTextAlign() != SkPaint::kLeft_Align)) { 28798b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 28808b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 28818b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 288241541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik positions, hasActiveLayer ? &layerBounds : NULL, &functor, forceFinish); 2883996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 28848b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 288541541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik positions, hasActiveLayer ? &layerBounds : NULL, &functor, forceFinish); 2886996e57c84368058be793897ebc355b917a59abc2Raph Levien } 28874ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 2888527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if ((status || drawOpMode != kDrawOpMode_Immediate) && hasActiveLayer) { 2889624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (!pureTranslate) { 289041541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik transform.mapRect(layerBounds); 2891a4adcf0239039eb8f005be252409901c41b28839Romain Guy } 289241541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik dirtyLayerUnchecked(layerBounds, getRegion()); 28935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2894694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2895e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik drawTextDecorations(totalAdvance, oldX, oldY, paint); 2896486590963e2207d68eebd6944fec70d50d41116aChet Haase 2897486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2898694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2899694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2900d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, 2901d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPath* path, float hOffset, float vOffset, const SkPaint* paint) { 2902d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (text == NULL || count == 0 || currentSnapshot()->isIgnored() || canSkipText(paint)) { 2903486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 290403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 290503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 290639a908c1df89e1073627b0dcbce922d826b67055Chris Craik // TODO: avoid scissor by calculating maximum bounds using path bounds + font metrics 290739a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.enableScissor(); 290839a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2909b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2910c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 2911257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(true); 291203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 291303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 291403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 291503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 29161e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease TextSetupFunctor functor(this, 0.0f, 0.0f, false, alpha, mode, paint); 29179777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 29189777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 29199777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 292003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 29219777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 29229777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 29239777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 29241e546815bbb736c50679a8aefc25f48561026fc5Victoria Lease hOffset, vOffset, hasActiveLayer ? &bounds : NULL, &functor)) { 29259777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 2926d6b65f67717025b1162f86f04e2caa5723566cacChris Craik currentTransform()->mapRect(bounds); 29279777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 29289777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 29299777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2930486590963e2207d68eebd6944fec70d50d41116aChet Haase 2931486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2932325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2933325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2934d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawPath(const SkPath* path, const SkPaint* paint) { 2935d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 2936dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2937a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 29387fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2939fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 2940486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 294122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 29427fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 29438b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 29448b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 29458b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 294601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2947486590963e2207d68eebd6944fec70d50d41116aChet Haase 2948486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 29497fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 29507fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2951a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craikstatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y) { 295235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (!layer) { 2953486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 29546c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 29556c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2956b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy mat4* transform = NULL; 2957b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (layer->isTextureLayer()) { 2958b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy transform = &layer->getTransform(); 2959b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (!transform->isIdentity()) { 2960b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy save(0); 296114e513058ed4168c94e015638d16f5f87fd8063aChris Craik concatMatrix(*transform); 2962b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2963b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2964b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 296539a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool clipRequired = false; 2966f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik const bool rejected = calculateQuickRejectForScissor(x, y, 2967f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik x + layer->layer.getWidth(), y + layer->layer.getHeight(), &clipRequired, false); 29684ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 296935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (rejected) { 2970b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 2971b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 2972b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 297335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return DrawGlInfo::kStatusDone; 297435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 297535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 29765bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy updateLayer(layer, true); 29772bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 297839a908c1df89e1073627b0dcbce922d826b67055Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled || clipRequired); 2979a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 29806c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2981211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2982c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 298334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL_IF(!layer->hasDrawnSinceUpdate, 298434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik composeLayerRect(layer, layer->regionRect)); 2985c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 298676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 298716ecda5317c40fc3da284952d9b3add34d6763aeChris Craik const float a = getLayerAlpha(layer); 2988c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2989c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 29908168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 299176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(layer->getColorFilter()); 299276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(layer); 2993c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2994c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 299576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(layer->getColorFilter()); 29969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2997d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (CC_LIKELY(currentTransform()->isPureTranslate())) { 2998d6b65f67717025b1162f86f04e2caa5723566cacChris Craik int tx = (int) floorf(x + currentTransform()->getTranslateX() + 0.5f); 2999d6b65f67717025b1162f86f04e2caa5723566cacChris Craik int ty = (int) floorf(y + currentTransform()->getTranslateY() + 0.5f); 30009ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 3001d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 30024063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, tx, ty, 30034ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 30049ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 3005d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 30064063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, x, y, 30079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 30089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 3009c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 3010448455fe783b0a711340322dca272b8cc0ebe473Romain Guy TextureVertex* mesh = &layer->mesh[0]; 3011448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei elementsCount = layer->meshElementCount; 3012448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 3013448455fe783b0a711340322dca272b8cc0ebe473Romain Guy while (elementsCount > 0) { 3014448455fe783b0a711340322dca272b8cc0ebe473Romain Guy GLsizei drawCount = min(elementsCount, (GLsizei) gMaxNumberOfQuads * 6); 3015448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 30163380cfdc77100e87aa8390386ccf390834dea171Romain Guy setupDrawMeshIndices(&mesh[0].x, &mesh[0].u); 3017448455fe783b0a711340322dca272b8cc0ebe473Romain Guy DRAW_DOUBLE_STENCIL_IF(!layer->hasDrawnSinceUpdate, 3018448455fe783b0a711340322dca272b8cc0ebe473Romain Guy glDrawElements(GL_TRIANGLES, drawCount, GL_UNSIGNED_SHORT, NULL)); 3019448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 3020448455fe783b0a711340322dca272b8cc0ebe473Romain Guy elementsCount -= drawCount; 3021448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // Though there are 4 vertices in a quad, we use 6 indices per 3022448455fe783b0a711340322dca272b8cc0ebe473Romain Guy // quad to draw with GL_TRIANGLES 3023448455fe783b0a711340322dca272b8cc0ebe473Romain Guy mesh += (drawCount / 6) * 4; 3024448455fe783b0a711340322dca272b8cc0ebe473Romain Guy } 3025c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 30263a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 3027e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik drawRegionRectsDebug(layer->region); 30283a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 3029c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 30304ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 30315bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy if (layer->debugDrawUpdate) { 30325bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = false; 303376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 303476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkPaint paint; 303576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint.setColor(0x7f00ff00); 303676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), &paint); 30374ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 3038f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 303934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik layer->hasDrawnSinceUpdate = true; 3040486590963e2207d68eebd6944fec70d50d41116aChet Haase 3041b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 3042b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 3043b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 3044b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 3045486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 30466c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 30476c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 30486926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 3049d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 3050d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 3051d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 3052d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 3053c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader = NULL; 305406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 305506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 305606f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 3057c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader = shader; 3058c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 30598aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy mDrawModifiers.mShader->setCaches(mCaches); 306006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 30617fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 30627fac2e18339f765320d759e8d4c090f92431959eRomain Guy 3063d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 30641e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 30651e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 30661e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 30671e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 3068c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasShadow = false; 30691e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 30701e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 30711e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 3072c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasShadow = true; 3073c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowRadius = radius; 3074c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowDx = dx; 3075c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowDy = dy; 3076c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowColor = color; 30771e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 30781e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 30791e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 30805ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 30815ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 30825ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30835ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 3084527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // when clearing the PaintFilter, the masks should also be cleared for simple DrawModifier 3085527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // comparison, see MergingDrawBatch::canMergeWith 3086c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = false; 3087527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mDrawModifiers.mPaintFilterClearBits = 0; 3088527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mDrawModifiers.mPaintFilterSetBits = 0; 30895ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 30905ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30915ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 3092c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = true; 3093c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 3094c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 30955ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 30965ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 3097d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikconst SkPaint* OpenGLRenderer::filterPaint(const SkPaint* paint) { 3098758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy if (CC_LIKELY(!mDrawModifiers.mHasDrawFilter || !paint)) { 3099758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy return paint; 3100758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy } 31015ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 31025ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 31035ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 31045ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 3105c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mFilteredPaint.setFlags((flags & ~mDrawModifiers.mPaintFilterClearBits) | 3106c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits); 31075ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 31085ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 31095ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 31105ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 31115ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 31126926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 31136926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 31146926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 3115d218a92c0afb8c0d98135b20b52ac87236e1c935Chris CraikTexture* OpenGLRenderer::getTexture(const SkBitmap* bitmap) { 31163b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = mCaches.assetAtlas.getEntryTexture(bitmap); 31173b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!texture) { 31183b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return mCaches.textureCache.get(bitmap); 31193b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 31203b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return texture; 31213b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 31223b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 312301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 3124d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float x, float y, const SkPaint* paint) { 3125f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (quickRejectSetupScissor(x, y, x + texture->width, y + texture->height)) { 312601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 312701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 312801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 312901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 313001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 313101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 313201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 313301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 313401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 313501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 313676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 313701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 313876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 313901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 31404063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 31414063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik x, y, x + texture->width, y + texture->height); 314201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 314301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 314476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 314501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 314601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 314701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 314801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 314901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 315001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 3151f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 31520a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 31530a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 31540a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 31550a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3156d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::drawTextDecorations(float underlineWidth, float x, float y, 3157d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint) { 31580a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 31590a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 31600a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 3161726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 31620a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3163211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 3164726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 3165f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 31660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31678b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 31680a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 3169e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3170f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 3171f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 3172f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 3173f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 3174f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 3175e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 3176e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 31770a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31780a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 31790a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 3180e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3181e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3182e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3183e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 31840a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 31870a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 3188e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3189e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3190e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3191e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 31920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 3193e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3194726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 3195e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3196726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 31970a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31980a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31990a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 32000a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3201d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikstatus_t OpenGLRenderer::drawRects(const float* rects, int count, const SkPaint* paint) { 3202d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) { 3203672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDone; 3204672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3205672433d90fab7383cd28beac9d4485b566a90940Romain Guy 320676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return drawColorRects(rects, count, paint, false, true, true); 3207735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 3208735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3209f57776b2d195f0937906eb88b777bb55ccc36967Chris Craikstatus_t OpenGLRenderer::drawShadow(const mat4& casterTransform, float casterAlpha, 321015a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik const SkPath* casterOutline) { 3211d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (currentSnapshot()->isIgnored()) return DrawGlInfo::kStatusDone; 3212f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 321315a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik // TODO: use quickRejectWithScissor. For now, always force enable scissor. 3214f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik mCaches.enableScissor(); 3215f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 3216f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik SkPaint paint; 321715a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik paint.setARGB(mCaches.propertyShadowStrength, 0, 0, 0); 3218ba9b613437c34873fa95800a25fc51720638267cChris Craik paint.setAntiAlias(true); // want to use AlphaVertex 3219f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 322015a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik // tessellate caster outline into a 2d polygon 322115a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik Vector<Vertex> casterVertices2d; 322215a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik const float casterRefinementThresholdSquared = 20.0f; // TODO: experiment with this value 322315a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik PathTessellator::approximatePathOutlineVertices(*casterOutline, 322415a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik casterRefinementThresholdSquared, casterVertices2d); 322515a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik 3226a2fe7affd3d077ac163da90996cb2e5e0ca3b8d1Chris Craik if (casterVertices2d.size() == 0) { 3227a2fe7affd3d077ac163da90996cb2e5e0ca3b8d1Chris Craik // empty caster polygon computed from path 3228a2fe7affd3d077ac163da90996cb2e5e0ca3b8d1Chris Craik return DrawGlInfo::kStatusDone; 3229a2fe7affd3d077ac163da90996cb2e5e0ca3b8d1Chris Craik } 3230a2fe7affd3d077ac163da90996cb2e5e0ca3b8d1Chris Craik 323115a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik // map 2d caster poly into 3d 323215a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik const int casterVertexCount = casterVertices2d.size(); 323315a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik Vector3 casterPolygon[casterVertexCount]; 323415a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik for (int i = 0; i < casterVertexCount; i++) { 323515a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik const Vertex& point2d = casterVertices2d[i]; 323615a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik casterPolygon[i] = Vector3(point2d.x, point2d.y, 0); 323715a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik casterTransform.mapPoint3d(casterPolygon[i]); 323815a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik } 323915a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik 324015a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik // draw caster's shadows 32417b4516e7ea552ad08d6e7277d311ef11bd8f12e8ztenghui VertexBuffer ambientShadowVertexBuffer; 324215a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik ShadowTessellator::tessellateAmbientShadow(casterPolygon, casterVertexCount, 32437b4516e7ea552ad08d6e7277d311ef11bd8f12e8ztenghui ambientShadowVertexBuffer); 32447b4516e7ea552ad08d6e7277d311ef11bd8f12e8ztenghui drawVertexBuffer(ambientShadowVertexBuffer, &paint); 32457b4516e7ea552ad08d6e7277d311ef11bd8f12e8ztenghui 32467b4516e7ea552ad08d6e7277d311ef11bd8f12e8ztenghui VertexBuffer spotShadowVertexBuffer; 3247cc3c25622c731d14a6f01bce684330eccba7db5aztenghui Vector3 lightPosScale(mCaches.propertyLightPosXScale, 3248cc3c25622c731d14a6f01bce684330eccba7db5aztenghui mCaches.propertyLightPosYScale, mCaches.propertyLightPosZScale); 324915a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik ShadowTessellator::tessellateSpotShadow(casterPolygon, casterVertexCount, 325015a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik lightPosScale, *currentTransform(), getWidth(), getHeight(), 325115a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik spotShadowVertexBuffer); 3252cc3c25622c731d14a6f01bce684330eccba7db5aztenghui 32537b4516e7ea552ad08d6e7277d311ef11bd8f12e8ztenghui drawVertexBuffer(spotShadowVertexBuffer, &paint); 32547b4516e7ea552ad08d6e7277d311ef11bd8f12e8ztenghui 32557b4516e7ea552ad08d6e7277d311ef11bd8f12e8ztenghui return DrawGlInfo::kStatusDrew; 3256f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik} 3257f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 325876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergerstatus_t OpenGLRenderer::drawColorRects(const float* rects, int count, const SkPaint* paint, 325976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool ignoreTransform, bool dirty, bool clip) { 32603b753829ae858d424fe109f714745379a6daf455Romain Guy if (count == 0) { 32613b753829ae858d424fe109f714745379a6daf455Romain Guy return DrawGlInfo::kStatusDone; 32623b753829ae858d424fe109f714745379a6daf455Romain Guy } 3263735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 326476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int color = paint->getColor(); 326576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger // If a shader is set, preserve only the alpha 326676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (mDrawModifiers.mShader) { 326776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger color |= 0x00ffffff; 326876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger } 326976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 3270672433d90fab7383cd28beac9d4485b566a90940Romain Guy float left = FLT_MAX; 3271672433d90fab7383cd28beac9d4485b566a90940Romain Guy float top = FLT_MAX; 3272672433d90fab7383cd28beac9d4485b566a90940Romain Guy float right = FLT_MIN; 3273672433d90fab7383cd28beac9d4485b566a90940Romain Guy float bottom = FLT_MIN; 3274672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3275448455fe783b0a711340322dca272b8cc0ebe473Romain Guy Vertex mesh[count]; 3276672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex* vertex = mesh; 3277672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32782af4635e4a9e448a65ff541252f8f94bc6ac48e0Chris Craik for (int index = 0; index < count; index += 4) { 3279672433d90fab7383cd28beac9d4485b566a90940Romain Guy float l = rects[index + 0]; 3280672433d90fab7383cd28beac9d4485b566a90940Romain Guy float t = rects[index + 1]; 3281672433d90fab7383cd28beac9d4485b566a90940Romain Guy float r = rects[index + 2]; 3282672433d90fab7383cd28beac9d4485b566a90940Romain Guy float b = rects[index + 3]; 3283672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32843b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, t); 32853b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, t); 32863b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, b); 32873b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, b); 3288672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32893b753829ae858d424fe109f714745379a6daf455Romain Guy left = fminf(left, l); 32903b753829ae858d424fe109f714745379a6daf455Romain Guy top = fminf(top, t); 32913b753829ae858d424fe109f714745379a6daf455Romain Guy right = fmaxf(right, r); 32923b753829ae858d424fe109f714745379a6daf455Romain Guy bottom = fmaxf(bottom, b); 3293672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3294672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3295f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik if (clip && quickRejectSetupScissor(left, top, right, bottom)) { 3296a362c69d6cdf448107e5a539f77df73937141870Romain Guy return DrawGlInfo::kStatusDone; 3297a362c69d6cdf448107e5a539f77df73937141870Romain Guy } 3298672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3299672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDraw(); 3300672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawNoTexture(); 3301d6b65f67717025b1162f86f04e2caa5723566cacChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * currentSnapshot()->alpha); 3302672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawShader(); 330376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 330476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint); 3305672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawProgram(); 3306672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawDirtyRegionsDisabled(); 33074063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_Translate, false, 33084063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 0.0f, 0.0f, 0.0f, 0.0f, ignoreTransform); 3309672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorUniforms(); 3310672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawShaderUniforms(); 331176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 3312672433d90fab7383cd28beac9d4485b566a90940Romain Guy 33138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (dirty && hasLayer()) { 3314d6b65f67717025b1162f86f04e2caa5723566cacChris Craik dirtyLayer(left, top, right, bottom, *currentTransform()); 3315672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3316672433d90fab7383cd28beac9d4485b566a90940Romain Guy 33174063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik issueIndexedQuadDraw(&mesh[0], count / 4); 3318672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3319672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDrew; 3320672433d90fab7383cd28beac9d4485b566a90940Romain Guy} 3321672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3322026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 332376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const SkPaint* paint, bool ignoreTransform) { 332476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int color = paint->getColor(); 3325d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 3326c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 3327d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 3328d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 3329d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 333070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 333115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 3332d6b65f67717025b1162f86f04e2caa5723566cacChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * currentSnapshot()->alpha); 333370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 333476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 333576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint); 333670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 33374063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(kModelViewMode_TranslateAndScale, false, 33384063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik left, top, right, bottom, ignoreTransform); 333970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 334070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 334176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 334270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 3343c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 3344c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 3345c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 3346c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 334782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 3348d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik Texture* texture, const SkPaint* paint) { 3349d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 33508164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 33513b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices = (GLvoid*) NULL; 33523b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* texCoords = (GLvoid*) gMeshTextureOffset; 33533b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33543b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (texture->uvMapper) { 33553380cfdc77100e87aa8390386ccf390834dea171Romain Guy vertices = &mMeshVertices[0].x; 33563380cfdc77100e87aa8390386ccf390834dea171Romain Guy texCoords = &mMeshVertices[0].u; 33573b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33583b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Rect uvs(0.0f, 0.0f, 1.0f, 1.0f); 33593b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture->uvMapper->map(uvs); 33603b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33613b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy resetDrawTextureTexCoords(uvs.left, uvs.top, uvs.right, uvs.bottom); 33623b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 33633b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 3364d6b65f67717025b1162f86f04e2caa5723566cacChris Craik if (CC_LIKELY(currentTransform()->isPureTranslate())) { 3365d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float x = (int) floorf(left + currentTransform()->getTranslateX() + 0.5f); 3366d6b65f67717025b1162f86f04e2caa5723566cacChris Craik const float y = (int) floorf(top + currentTransform()->getTranslateY() + 0.5f); 33676620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 3368d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 33696620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 337076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger paint, texture->blend, vertices, texCoords, 33713b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 33726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 3373d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 337476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger drawTextureMesh(left, top, right, bottom, texture->id, paint, 33753b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture->blend, vertices, texCoords, GL_TRIANGLE_STRIP, gMeshCount); 33763b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 33773b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33783b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (texture->uvMapper) { 33793b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 33806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 338185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 338285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3383f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 338476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, bool blend, 33856820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 33864063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool swapSrcDst, bool ignoreTransform, GLuint vbo, 33874063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ModelViewMode modelViewMode, bool dirty) { 33888694230ff25fa0a60e480d424843e56b718f0516Romain Guy 338976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int a; 339076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 339176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger getAlphaAndMode(paint, &a, &mode); 339276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const float alpha = a / 255.0f; 339376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 339470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 339570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 339670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 339776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 339876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, blend, swapSrcDst); 339970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 3400886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 34014063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(modelViewMode, false, left, top, right, bottom, ignoreTransform); 3402886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 340386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 340476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 340570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 3406db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 34076820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 340882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 340982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 34103b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guyvoid OpenGLRenderer::drawIndexedTextureMesh(float left, float top, float right, float bottom, 341176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, bool blend, 34123b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 34134063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool swapSrcDst, bool ignoreTransform, GLuint vbo, 34144063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ModelViewMode modelViewMode, bool dirty) { 34153b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 341676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int a; 341776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 341876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger getAlphaAndMode(paint, &a, &mode); 341976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const float alpha = a / 255.0f; 342076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 34213b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDraw(); 34223b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawWithTexture(); 34233b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 342476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 342576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, blend, swapSrcDst); 34263b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawProgram(); 34273b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 34284063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(modelViewMode, false, left, top, right, bottom, ignoreTransform); 34293b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawTexture(texture); 34303b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawPureColorUniforms(); 343176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 34323b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawMeshIndices(vertices, texCoords, vbo); 34333b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 34343b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy glDrawElements(drawMode, elementsCount, GL_UNSIGNED_SHORT, NULL); 34353b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 34363b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 3437886b275e529e44a59c54b933453d9bc902973178Romain Guyvoid OpenGLRenderer::drawAlpha8TextureMesh(float left, float top, float right, float bottom, 343876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, 3439886b275e529e44a59c54b933453d9bc902973178Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 34404063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool ignoreTransform, ModelViewMode modelViewMode, bool dirty) { 3441886b275e529e44a59c54b933453d9bc902973178Romain Guy 344276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int color = paint != NULL ? paint->getColor() : 0; 344376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger int alpha; 344476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger SkXfermode::Mode mode; 344576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger getAlphaAndMode(paint, &alpha, &mode); 344676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger 3447886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDraw(); 3448886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawWithTexture(true); 344976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger if (paint != NULL) { 3450886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawAlpha8Color(color, alpha); 3451886b275e529e44a59c54b933453d9bc902973178Romain Guy } 345276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilter(getColorFilter(paint)); 3453886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawShader(); 345476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawBlending(paint, true); 3455886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawProgram(); 3456886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 34574063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawModelView(modelViewMode, false, left, top, right, bottom, ignoreTransform); 3458886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 3459886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawPureColorUniforms(); 346076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger setupDrawColorFilterUniforms(getColorFilter(paint)); 34614063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik setupDrawShaderUniforms(ignoreTransform); 3462886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawMesh(vertices, texCoords); 3463886b275e529e44a59c54b933453d9bc902973178Romain Guy 3464886b275e529e44a59c54b933453d9bc902973178Romain Guy glDrawArrays(drawMode, 0, elementsCount); 3465886b275e529e44a59c54b933453d9bc902973178Romain Guy} 3466886b275e529e44a59c54b933453d9bc902973178Romain Guy 3467a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 3468f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 346978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCountOverdraw) { 347078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (!mCaches.blend) glEnable(GL_BLEND); 347178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCaches.lastSrcMode != GL_ONE || mCaches.lastDstMode != GL_ONE) { 347278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy glBlendFunc(GL_ONE, GL_ONE); 347378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 347478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 347578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.blend = true; 347678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.lastSrcMode = GL_ONE; 347778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.lastDstMode = GL_ONE; 347878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 347978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy return; 348078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 348178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 348282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 3483c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 348482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 348582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 348682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 348782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 348882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 348982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 349033fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4Romain Guy if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { 34913bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (CC_UNLIKELY(mExtensions.hasFramebufferFetch())) { 3492a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 3493f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 3494a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 349582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 349682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 349782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 349882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 349982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 350082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 350182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 350282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 3503a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 350482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 350582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 350682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 350782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 350882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 350982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 351082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 351182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 351282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 351382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 351482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 351582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 351682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 351782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3518fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 351982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 352082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3521fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 3522bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 3523bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3524889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 3525d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 3526fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 3527d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 3528fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 35296926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 3530260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 35316926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 3532260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 3533260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 3534026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 3535ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 353682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 353782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 353882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 353982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 35408ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 35418ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 3542d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craikvoid OpenGLRenderer::getAlphaAndMode(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode) const { 3543be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 354416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik if (mDrawModifiers.mOverrideLayerAlpha < 1.0f) { 354516ecda5317c40fc3da284952d9b3add34d6763aeChris Craik // if drawing a layer, ignore the paint's alpha 354687b515cde53f3c8cc3fdf698c100e67508487e59Romain Guy *alpha = mDrawModifiers.mOverrideLayerAlpha * 255; 354716ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } 3548d6b65f67717025b1162f86f04e2caa5723566cacChris Craik *alpha *= currentSnapshot()->alpha; 3549026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 3550026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 355176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenbergerfloat OpenGLRenderer::getLayerAlpha(const Layer* layer) const { 355216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik float alpha; 355316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik if (mDrawModifiers.mOverrideLayerAlpha < 1.0f) { 355416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik alpha = mDrawModifiers.mOverrideLayerAlpha; 355516ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } else { 355616ecda5317c40fc3da284952d9b3add34d6763aeChris Craik alpha = layer->getAlpha() / 255.0f; 355716ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } 3558d6b65f67717025b1162f86f04e2caa5723566cacChris Craik return alpha * currentSnapshot()->alpha; 355916ecda5317c40fc3da284952d9b3add34d6763aeChris Craik} 356016ecda5317c40fc3da284952d9b3add34d6763aeChris Craik 35619d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 3562e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 3563