OpenGLRenderer.cpp revision 8aa195d7081b889f3a7b1f426cbd8556377aae5e
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" 3665cd612face362d054a85d0f7e5881c59cd523beChris Craik#include "PathTessellator.h" 3787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy#include "Properties.h" 38a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 39e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 40e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 419d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 429d5316e3f56d138504565ff311145ac01621dff4Romain Guy 439d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 449d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 459d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 469d5316e3f56d138504565ff311145ac01621dff4Romain Guy 47759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 48759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 49759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 50f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy#define ALPHA_THRESHOLD 0 51dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 52713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy#define FILTER(paint) (!paint || paint->isFilterBitmap() ? GL_LINEAR : GL_NEAREST) 53d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 549d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 559d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 569d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 579d5316e3f56d138504565ff311145ac01621dff4Romain Guy 58889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 60889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 61889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 62889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 63889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 64889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 65889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 66889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 67026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 68026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 69026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 702ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 712ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 722ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 732ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 742ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 752ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 762ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 772ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 782ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 792ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 802ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 812ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 822ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 83d81ec456bb097a712bcbc093c5a1e0075434158eDerek Sollenberger { SkXfermode::kModulate_Mode, GL_ZERO, GL_SRC_COLOR }, 842ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 85026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 86e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 8787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 8887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 8987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 90f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 912ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 962ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 972ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 982ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 992ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 1002ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 1012ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1022ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1032ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 104d81ec456bb097a712bcbc093c5a1e0075434158eDerek Sollenberger { SkXfermode::kModulate_Mode, GL_DST_COLOR, GL_ZERO }, 1052ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 106f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 107f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 108f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 109f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 110f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 111f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1123bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain GuyOpenGLRenderer::OpenGLRenderer(): 1133bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy mCaches(Caches::getInstance()), mExtensions(Extensions::getInstance()) { 114527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // *set* draw modifiers to be 0 115527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik memset(&mDrawModifiers, 0, sizeof(mDrawModifiers)); 11616ecda5317c40fc3da284952d9b3add34d6763aeChris Craik mDrawModifiers.mOverrideLayerAlpha = 1.0f; 117026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 118ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 119ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 120ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 12196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mFrameStarted = false; 12278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCountOverdraw = false; 12387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 12487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled = false; 125e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 126e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 12785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 12829d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 12929d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 130e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 131e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 13287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::initProperties() { 13387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy char property[PROPERTY_VALUE_MAX]; 13487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (property_get(PROPERTY_DISABLE_SCISSOR_OPTIMIZATION, property, "false")) { 13587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled = !strcasecmp(property, "true"); 13687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization %s", 13787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled ? "disabled" : "enabled"); 13887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } else { 13987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization enabled"); 14087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 14113631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 14213631f3da855f200a151e7837ed9f6b079622b58Romain Guy 14313631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 144f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 145f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 146f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 147ef35927abcd089652f87a985dd6dde7afde58b92Romain Guyvoid OpenGLRenderer::setName(const char* name) { 148ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy if (name) { 149ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy mName.setTo(name); 150ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy } else { 151ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy mName.clear(); 152ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy } 153ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy} 154ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy 155ef35927abcd089652f87a985dd6dde7afde58b92Romain Guyconst char* OpenGLRenderer::getName() const { 156ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy return mName.string(); 157ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy} 158ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy 15949c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guybool OpenGLRenderer::isDeferred() { 16049c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy return false; 16149c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy} 16249c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy 16385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 16435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy initViewport(width, height); 16535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 16635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glDisable(GL_DITHER); 16735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 16835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 16935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glEnableVertexAttribArray(Program::kBindingPosition); 17035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 17135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 17235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::initViewport(int width, int height) { 173260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 174bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 175bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 176bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 177eb99356a0548684a501766e6a524529ab93304c8Romain Guy 178eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->height = height; 179eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->viewport.set(0, 0, width, height); 180e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 181e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 18296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guyvoid OpenGLRenderer::setupFrameState(float left, float top, 183c3fedafc5f50100219449125a000e3138f6fb987Romain Guy float right, float bottom, bool opaque) { 184fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 185fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 18696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mOpaque = opaque; 1878aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1888aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 18984962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 1908fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 191f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1927d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 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 20496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy glViewport(0, 0, mWidth, mHeight); 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 2115f803623559aab395a29d575c37c4e39c23a4b4eChris Craik startTiling(mSnapshot, 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::prepare(bool opaque) { 22096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy return prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 22196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 22296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 22396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guystatus_t OpenGLRenderer::prepareDirty(float left, float top, 22496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy float right, float bottom, bool opaque) { 22578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 22696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy setupFrameState(left, top, right, bottom, opaque); 22796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 22896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // Layer renderers will start the frame immediately 22996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // The framebuffer renderer will first defer the display list 23096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // for each layer and wait until the first drawing command 23196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // to start the frame 23296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (mSnapshot->fbo == 0) { 23396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy syncState(); 23496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy updateLayers(); 23596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 23696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy return startFrame(); 23796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 23896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 23996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy return DrawGlInfo::kStatusDone; 2407c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy} 2417c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 242dcfc836b457a87881da409e1acf251515f121446Romain Guyvoid OpenGLRenderer::discardFramebuffer(float left, float top, float right, float bottom) { 243dcfc836b457a87881da409e1acf251515f121446Romain Guy // If we know that we are going to redraw the entire framebuffer, 244dcfc836b457a87881da409e1acf251515f121446Romain Guy // perform a discard to let the driver know we don't need to preserve 245dcfc836b457a87881da409e1acf251515f121446Romain Guy // the back buffer for this frame. 2463bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (mExtensions.hasDiscardFramebuffer() && 247dcfc836b457a87881da409e1acf251515f121446Romain Guy left <= 0.0f && top <= 0.0f && right >= mWidth && bottom >= mHeight) { 248f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy const bool isFbo = getTargetFbo() == 0; 249f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy const GLenum attachments[] = { 250f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy isFbo ? (const GLenum) GL_COLOR_EXT : (const GLenum) GL_COLOR_ATTACHMENT0, 251f158198ccc3a1f53bfebaa6b8f4426e80e1867eaRomain Guy isFbo ? (const GLenum) GL_STENCIL_EXT : (const GLenum) GL_STENCIL_ATTACHMENT }; 252dcfc836b457a87881da409e1acf251515f121446Romain Guy glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, attachments); 253dcfc836b457a87881da409e1acf251515f121446Romain Guy } 254dcfc836b457a87881da409e1acf251515f121446Romain Guy} 255dcfc836b457a87881da409e1acf251515f121446Romain Guy 2567c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guystatus_t OpenGLRenderer::clear(float left, float top, float right, float bottom, bool opaque) { 25778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (!opaque || mCountOverdraw) { 258586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 259ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.setScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 2606b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 26144b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDrew; 262ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } 26344b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase 2647c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy mCaches.resetScissor(); 26544b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDone; 266ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy} 267ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 268ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guyvoid OpenGLRenderer::syncState() { 269ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy if (mCaches.blend) { 270ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glEnable(GL_BLEND); 271ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 272ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glDisable(GL_BLEND); 2736b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 274bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 275bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 27657b5268708c3b974296c7d4e58a02a957979224aRomain Guyvoid OpenGLRenderer::startTiling(const sp<Snapshot>& s, bool opaque) { 27754c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) { 2785f803623559aab395a29d575c37c4e39c23a4b4eChris Craik Rect* clip = &mTilingClip; 279c3fedafc5f50100219449125a000e3138f6fb987Romain Guy if (s->flags & Snapshot::kFlagFboTarget) { 2805f803623559aab395a29d575c37c4e39c23a4b4eChris Craik clip = &(s->layer->clipRect); 28154c1a64d5441a964890b44280e4457e11f4f924aRomain Guy } 28254c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 283c3fedafc5f50100219449125a000e3138f6fb987Romain Guy startTiling(*clip, s->height, opaque); 284c3fedafc5f50100219449125a000e3138f6fb987Romain Guy } 285c3fedafc5f50100219449125a000e3138f6fb987Romain Guy} 286c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 287c3fedafc5f50100219449125a000e3138f6fb987Romain Guyvoid OpenGLRenderer::startTiling(const Rect& clip, int windowHeight, bool opaque) { 288c3fedafc5f50100219449125a000e3138f6fb987Romain Guy if (!mSuppressTiling) { 289c3fedafc5f50100219449125a000e3138f6fb987Romain Guy mCaches.startTiling(clip.left, windowHeight - clip.bottom, 29052036b19a5f82bc4d75cfcbff99c65df8d25a99bRomain Guy clip.right - clip.left, clip.bottom - clip.top, opaque); 2912b7028eabac80cec170572bc0e945a1d4224e595Romain Guy } 2922b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 2932b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2942b7028eabac80cec170572bc0e945a1d4224e595Romain Guyvoid OpenGLRenderer::endTiling() { 29554c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) mCaches.endTiling(); 2962b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 2972b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 298b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 2997c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy renderOverdraw(); 3002b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 3012b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 302ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy // When finish() is invoked on FBO 0 we've reached the end 303ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy // of the current frame 304ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy if (getTargetFbo() == 0) { 305ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy mCaches.pathCache.trim(); 306ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy } 307ca89e2a68703bd428e8b66547d033a6ed35b3595Romain Guy 30811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (!suppressErrorChecks()) { 309b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 31011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy GLenum status = GL_NO_ERROR; 31111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 31211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGD("GL error from OpenGLRenderer: 0x%x", status); 31311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy switch (status) { 31411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_ENUM: 31511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_ENUM"); 31611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 31711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_VALUE: 31811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_VALUE"); 31911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 32011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_OPERATION: 32111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_OPERATION"); 32211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 32311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_OUT_OF_MEMORY: 32411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" Out of memory!"); 32511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 32611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 327a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 328b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 32911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 330c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 331e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 33211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy#else 33311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 33411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.dumpMemoryUsage(); 33511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 336c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 33711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 33896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 33978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCountOverdraw) { 34078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy countOverdraw(); 34178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 34278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 34396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mFrameStarted = false; 344b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 345b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 3466c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 347da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 348da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 349da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 350da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 351da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 352da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 35350c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 35415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 355f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetVertexPointers(); 356ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.disableTexCoordsVertexArray(); 3577c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 358da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 359da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 3606c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 36108837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 36208837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 36335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 3647c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 36535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 3663e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 3673e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy 3688025061c594e5171e1bf370d8fdd77e0e9a02b47Chet Haase mCaches.scissorEnabled = glIsEnabled(GL_SCISSOR_TEST); 369586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 37082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.resetScissor(); 371746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 372da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 373a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 3748aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy mCaches.resetBoundTextures(); 37550c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 37650c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 37750c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 37850c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 37950c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 380da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 381da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 38235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::resumeAfterLayer() { 38335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 38435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 38535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 3867c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 38735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 38835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mCaches.resetScissor(); 38935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy dirtyClip(); 39035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 39135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 392ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::detachFunctor(Functor* functor) { 393932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik mFunctors.remove(functor); 394ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 3958f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 396ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::attachFunctor(Functor* functor) { 397ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 398ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 3998f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 400ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guystatus_t OpenGLRenderer::invokeFunctors(Rect& dirty) { 401ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy status_t result = DrawGlInfo::kStatusDone; 4023d745c03ace18ee59c539e1b7f1df13f22beb57dRomain Guy size_t count = mFunctors.size(); 4038f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 404ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy if (count > 0) { 405d15321bbf57ff7a4615076fefcee5e196c4fc796Chris Craik interrupt(); 406ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> functors(mFunctors); 407ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.clear(); 408ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 409ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy DrawGlInfo info; 410ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipLeft = 0; 411ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipTop = 0; 412ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipRight = 0; 413ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipBottom = 0; 414ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.isLayer = false; 415ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.width = 0; 416ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.height = 0; 417ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy memset(info.transform, 0, sizeof(float) * 16); 418ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 419ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy for (size_t i = 0; i < count; i++) { 420ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Functor* f = functors.itemAt(i); 421ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy result |= (*f)(DrawGlInfo::kModeProcess, &info); 422ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 423c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusDraw) { 424ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 425ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy dirty.unionWith(localDirty); 426c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik } 427ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 428c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusInvoke) { 429c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik mFunctors.add(f); 4308f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 4318f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 432d15321bbf57ff7a4615076fefcee5e196c4fc796Chris Craik resume(); 4338f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 4348f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 4358f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy return result; 4368f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy} 4378f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 4388f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 439408eb12631376cbdc96803e918decf6ea804d346Chris Craik if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 440408eb12631376cbdc96803e918decf6ea804d346Chris Craik 441daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 442932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik detachFunctor(functor); 443c8538ade8df2c2f013f8b93094912057ee1cc417Chris Craik 4448a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mCaches.enableScissor(); 445f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 446f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 447f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 448d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 44980911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 45080911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 45180911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 452d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 453d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 454d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 455d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 456d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 457d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 45808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 45908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 46008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 46108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 46208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 46308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 4647b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.width = getSnapshot()->viewport.getWidth(); 4657b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.height = getSnapshot()->height; 46608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 46780911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 4684a2bff7b387403ac976cd041cb5a1b57afa44d9cChris Craik status_t result = (*functor)(DrawGlInfo::kModeDraw, &info); 469cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 4708f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result != DrawGlInfo::kStatusDone) { 47108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 472cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 4738f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 47465924a3e56c2e7ac863f8e25e9f9a58b9db7d513Chris Craik if (result & DrawGlInfo::kStatusInvoke) { 475ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 4768f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 477cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 478cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 479daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 4804a2bff7b387403ac976cd041cb5a1b57afa44d9cChris Craik return result | DrawGlInfo::kStatusDrew; 481daf98e941e140e8739458126640183b9f296a2abChet Haase} 482daf98e941e140e8739458126640183b9f296a2abChet Haase 483f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 48487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy// Debug 48587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 48687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 4870f6675332c04c74909425d1d328f02b32c0ff40eRomain Guyvoid OpenGLRenderer::eventMark(const char* name) const { 4880f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy mCaches.eventMark(0, name); 4890f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy} 4900f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy 49187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 49287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.startMark(0, name); 49387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 49487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 49587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::endMark() const { 49687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.endMark(); 49787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 49887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 49987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::debugOverdraw(bool enable, bool clear) { 50087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 50187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (clear) { 50287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.disableScissor(); 50387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.clear(); 50487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 50587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (enable) { 50687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugWrite(); 50787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } else { 50887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 50987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 51087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 51187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 51287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 51387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::renderOverdraw() { 51487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 5155f803623559aab395a29d575c37c4e39c23a4b4eChris Craik const Rect* clip = &mTilingClip; 51687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 51787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.enableScissor(); 5185f803623559aab395a29d575c37c4e39c23a4b4eChris Craik mCaches.setScissor(clip->left, mFirstSnapshot->height - clip->bottom, 51987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy clip->right - clip->left, clip->bottom - clip->top); 52087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 52187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(2); 52287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x2f0000ff, SkXfermode::kSrcOver_Mode); 52387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(3); 52487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x2f00ff00, SkXfermode::kSrcOver_Mode); 52587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4); 52687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x3fff0000, SkXfermode::kSrcOver_Mode); 52787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4, true); 52887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x7fff0000, SkXfermode::kSrcOver_Mode); 52987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 53087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 53187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 53287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 53378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guyvoid OpenGLRenderer::countOverdraw() { 53478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy size_t count = mWidth * mHeight; 53578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy uint32_t* buffer = new uint32_t[count]; 53678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy glReadPixels(0, 0, mWidth, mHeight, GL_RGBA, GL_UNSIGNED_BYTE, &buffer[0]); 53778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 53878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy size_t total = 0; 53978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy for (size_t i = 0; i < count; i++) { 54078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy total += buffer[i] & 0xff; 54178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 54278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 54378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mOverdraw = total / float(count); 54478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 54578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy delete[] buffer; 54678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy} 54778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 54887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 54911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy// Layers 55011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 55111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 55211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guybool OpenGLRenderer::updateLayer(Layer* layer, bool inFrame) { 55396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (layer->deferredUpdateScheduled && layer->renderer && 55496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy layer->displayList && layer->displayList->isRenderable()) { 55511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Rect& dirty = layer->dirtyRect; 55611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 5577c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy if (inFrame) { 5587c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy endTiling(); 5597c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 5607c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy } 56111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 56296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(inFrame || mCaches.drawDeferDisabled)) { 56302b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy layer->render(); 56496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 56596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy layer->defer(); 56696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 56711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 56811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (inFrame) { 56911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy resumeAfterLayer(); 57011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy startTiling(mSnapshot); 57111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 57211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 5735bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = mCaches.debugLayersUpdates; 57434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik layer->hasDrawnSinceUpdate = false; 57511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 57611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return true; 57711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 57811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 57911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 58011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 58111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 58211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::updateLayers() { 58396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // If draw deferring is enabled this method will simply defer 58496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // the display list of each individual layer. The layers remain 58596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // in the layer updates list which will be cleared by flushLayers(). 58611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy int count = mLayerUpdates.size(); 58711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 58896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 58996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Layer Updates"); 59096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } else { 59196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Defer Layer Updates"); 59296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 59311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 5941206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik // Note: it is very important to update the layers in order 5951206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik for (int i = 0; i < count; i++) { 59611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Layer* layer = mLayerUpdates.itemAt(i); 59711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayer(layer, false); 59896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 59996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mCaches.resourceCache.decrementRefcount(layer); 60096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 60111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 60211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 60396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 60496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mLayerUpdates.clear(); 60596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, getTargetFbo()); 60696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 60796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy endMark(); 60896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 60996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy} 61096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 61196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guyvoid OpenGLRenderer::flushLayers() { 61296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy int count = mLayerUpdates.size(); 61396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy if (count > 0) { 61496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy startMark("Apply Layer Updates"); 61596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy char layerName[12]; 61696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 6171206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik // Note: it is very important to update the layers in order 6181206b9bba91f7ed899c5c87427cce725fe5aadfcChris Craik for (int i = 0; i < count; i++) { 61996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy sprintf(layerName, "Layer #%d", i); 62002b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy startMark(layerName); 62102b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy 62202b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy Layer* layer = mLayerUpdates.itemAt(i); 62302b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy layer->flush(); 62402b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy mCaches.resourceCache.decrementRefcount(layer); 62502b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy 62696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy endMark(); 62796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy } 62896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 62996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy mLayerUpdates.clear(); 63011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, getTargetFbo()); 63196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 63211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy endMark(); 63311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 63411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 63511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 63611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::pushLayerUpdate(Layer* layer) { 63711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer) { 63802b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // Make sure we don't introduce duplicates. 63902b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // SortedVector would do this automatically but we need to respect 64002b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // the insertion order. The linear search is not an issue since 64102b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy // this list is usually very short (typically one item, at most a few) 64202b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy for (int i = mLayerUpdates.size() - 1; i >= 0; i--) { 64302b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy if (mLayerUpdates.itemAt(i) == layer) { 64402b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy return; 64502b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy } 64602b49b70ede0b9eb760ff334823aee1d9520ed85Romain Guy } 64711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.push_back(layer); 64811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.incrementRefcount(layer); 64911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 65011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 65111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 65211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::clearLayerUpdates() { 65311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy size_t count = mLayerUpdates.size(); 65411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 65511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.lock(); 65611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (size_t i = 0; i < count; i++) { 65711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcountLocked(mLayerUpdates.itemAt(i)); 65811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 65911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.unlock(); 66011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 66111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 66211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 66311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 66411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 665f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 666f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 667f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 668bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 6697ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 670bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 671bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 672bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 6738aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 674bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 675bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 676bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 6772542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 6782542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 6797ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 680bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 681bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 682bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 6838fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 684bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 6858fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 6862542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 6877ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 688bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 689bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 6908aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 6918aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 6928fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 693bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 694bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 695bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 6967ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 697bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 698eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 699bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 700bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 7017ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 702bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 703eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 704eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 705eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 706eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 707eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 708eb99356a0548684a501766e6a524529ab93304c8Romain Guy 7098b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 7108b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 7118b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 7122542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 713746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 7148fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 7152542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 7165ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 7177273daace9303f4662444111c40bb83d3ead4a92Chris Craik endMark(); // Savelayer 7187273daace9303f4662444111c40bb83d3ead4a92Chris Craik startMark("ComposeLayer"); 7195ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 7207273daace9303f4662444111c40bb83d3ead4a92Chris Craik endMark(); 7215ec9924d24495822b589f1a17996655d66273b30Romain Guy } 7225ec9924d24495822b589f1a17996655d66273b30Romain Guy 7232542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 724d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 7255cbbce535744b89df5ecea95de21ee3733298260Romain Guy 726f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 727bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 728bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 729bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 730bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 731ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik int alpha, SkXfermode::Mode mode, int flags) { 732eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 733eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 734d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 735af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 736d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase createLayer(left, top, right, bottom, alpha, mode, flags, previousFbo); 737dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 738d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 739d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 740bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 741bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 742d90144db52c7297879b950cbbc85137ed123ab5bChris Craikvoid OpenGLRenderer::calculateLayerBoundsAndClip(Rect& bounds, Rect& clip, bool fboLayer) { 743d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const Rect untransformedBounds(bounds); 744d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 745d90144db52c7297879b950cbbc85137ed123ab5bChris Craik currentTransform().mapRect(bounds); 746d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 747d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // Layers only make sense if they are in the framebuffer's bounds 748d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (bounds.intersect(*mSnapshot->clipRect)) { 749d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // We cannot work with sub-pixels in this case 750d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.snapToPixelBoundaries(); 751d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 752d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // When the layer is not an FBO, we may use glCopyTexImage so we 753d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // need to make sure the layer does not extend outside the bounds 754d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // of the framebuffer 755d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (!bounds.intersect(mSnapshot->previous->viewport)) { 756d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.setEmpty(); 757d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else if (fboLayer) { 758d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.set(bounds); 759d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mat4 inverse; 760d90144db52c7297879b950cbbc85137ed123ab5bChris Craik inverse.loadInverse(currentTransform()); 761d90144db52c7297879b950cbbc85137ed123ab5bChris Craik inverse.mapRect(clip); 762d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.snapToPixelBoundaries(); 763d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (clip.intersect(untransformedBounds)) { 764d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.translate(-untransformedBounds.left, -untransformedBounds.top); 765d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.set(untransformedBounds); 766d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else { 767d90144db52c7297879b950cbbc85137ed123ab5bChris Craik clip.setEmpty(); 768d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 769d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 770d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } else { 771d90144db52c7297879b950cbbc85137ed123ab5bChris Craik bounds.setEmpty(); 772d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 773d90144db52c7297879b950cbbc85137ed123ab5bChris Craik} 774d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 775408eb12631376cbdc96803e918decf6ea804d346Chris Craikvoid OpenGLRenderer::updateSnapshotIgnoreForLayer(const Rect& bounds, const Rect& clip, 776408eb12631376cbdc96803e918decf6ea804d346Chris Craik bool fboLayer, int alpha) { 777408eb12631376cbdc96803e918decf6ea804d346Chris Craik if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 778408eb12631376cbdc96803e918decf6ea804d346Chris Craik bounds.getHeight() > mCaches.maxTextureSize || 779408eb12631376cbdc96803e918decf6ea804d346Chris Craik (fboLayer && clip.isEmpty())) { 780408eb12631376cbdc96803e918decf6ea804d346Chris Craik mSnapshot->empty = fboLayer; 781408eb12631376cbdc96803e918decf6ea804d346Chris Craik } else { 782408eb12631376cbdc96803e918decf6ea804d346Chris Craik mSnapshot->invisible = mSnapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 783408eb12631376cbdc96803e918decf6ea804d346Chris Craik } 784408eb12631376cbdc96803e918decf6ea804d346Chris Craik} 785408eb12631376cbdc96803e918decf6ea804d346Chris Craik 786d90144db52c7297879b950cbbc85137ed123ab5bChris Craikint OpenGLRenderer::saveLayerDeferred(float left, float top, float right, float bottom, 787d90144db52c7297879b950cbbc85137ed123ab5bChris Craik int alpha, SkXfermode::Mode mode, int flags) { 788d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const GLuint previousFbo = mSnapshot->fbo; 789d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const int count = saveSnapshot(flags); 790d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 791d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (!mSnapshot->isIgnored() && (flags & SkCanvas::kClipToLayer_SaveFlag)) { 792d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // initialize the snapshot as though it almost represents an FBO layer so deferred draw 793d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // operations will be able to store and restore the current clip and transform info, and 794d90144db52c7297879b950cbbc85137ed123ab5bChris Craik // quick rejection will be correct (for display lists) 795d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 796d90144db52c7297879b950cbbc85137ed123ab5bChris Craik Rect bounds(left, top, right, bottom); 797d90144db52c7297879b950cbbc85137ed123ab5bChris Craik Rect clip; 798d90144db52c7297879b950cbbc85137ed123ab5bChris Craik calculateLayerBoundsAndClip(bounds, clip, true); 799408eb12631376cbdc96803e918decf6ea804d346Chris Craik updateSnapshotIgnoreForLayer(bounds, clip, true, alpha); 800d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 801408eb12631376cbdc96803e918decf6ea804d346Chris Craik if (!mSnapshot->isIgnored()) { 802d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 803d90144db52c7297879b950cbbc85137ed123ab5bChris Craik mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 804d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 805d90144db52c7297879b950cbbc85137ed123ab5bChris Craik } 806d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 807d90144db52c7297879b950cbbc85137ed123ab5bChris Craik return count; 808d90144db52c7297879b950cbbc85137ed123ab5bChris Craik} 809d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 810d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 8111c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 8121c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 8131c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 8141c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 8151c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 8161c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 8171c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 8181c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8191c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 8201c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 8211c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 8221c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 8231c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 8241c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 8251c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 8261c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8271c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 8286b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 8296b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 8306b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 8316b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 8321c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8331c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 8341c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 8351c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 83687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 8371c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 8381c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 8391c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8401c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 8411c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 8421c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 8431c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 8441c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 8451c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8461c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 8471c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 8481c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 8491c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 8501c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 8511c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 8521c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 8531c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 8541c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 8551c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 85687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 85787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 85887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 85987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 86087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 8611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 862d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createLayer(float left, float top, float right, float bottom, 863d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo) { 864eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 865fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 866dda570201ac851dd85af3861f7e575721d3345daRomain Guy 867eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 868eb99356a0548684a501766e6a524529ab93304c8Romain Guy 869f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 870d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect clip; 8718aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 872d90144db52c7297879b950cbbc85137ed123ab5bChris Craik calculateLayerBoundsAndClip(bounds, clip, fboLayer); 873408eb12631376cbdc96803e918decf6ea804d346Chris Craik updateSnapshotIgnoreForLayer(bounds, clip, fboLayer, alpha); 874dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 875dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 876408eb12631376cbdc96803e918decf6ea804d346Chris Craik if (mSnapshot->isIgnored()) { 877b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 878b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 879dda570201ac851dd85af3861f7e575721d3345daRomain Guy 880a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 8818550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 882f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 883f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 884bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 885bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 8869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 8878aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 8889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 8899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 890c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik layer->setColorFilter(mDrawModifiers.mColorFilter); 891a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 8927c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy layer->setDirty(false); 893dda570201ac851dd85af3861f7e575721d3345daRomain Guy 8948fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 895d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsLayer; 896d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->layer = layer; 8971d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 8987273daace9303f4662444111c40bb83d3ead4a92Chris Craik startMark("SaveLayer"); 899eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 900d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase return createFboLayer(layer, bounds, clip, previousFbo); 901eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 902eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 9039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 904514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 9059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 9069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 907d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.left, mSnapshot->height - bounds.bottom, 9089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 9099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 910514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 911514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 912d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 913514fb18827186591d66973c2362c859b64b63556Romain Guy } 9147b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 91554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 91654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 917ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 918eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 919f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 920d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 921bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 922bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 923d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, Rect& clip, GLuint previousFbo) { 924c3fedafc5f50100219449125a000e3138f6fb987Romain Guy layer->clipRect.set(clip); 9259ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 9265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 927d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->region = &mSnapshot->layer->region; 928c3fedafc5f50100219449125a000e3138f6fb987Romain Guy mSnapshot->flags |= Snapshot::kFlagFboTarget | Snapshot::kFlagIsFboLayer | 929c3fedafc5f50100219449125a000e3138f6fb987Romain Guy Snapshot::kFlagDirtyOrtho; 930d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->fbo = layer->getFbo(); 931d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 932d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 933d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 934d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height = bounds.getHeight(); 935d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->orthoMatrix.load(mOrthoMatrix); 9365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9372b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 9387c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 9395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 9409ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 9419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 9425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 9449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 9450908764b2b3cf5075df4178a5f0a8547dcb7b317Romain Guy layer->allocateTexture(); 9469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 9475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 9509ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 9515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 952f735c8e5cb59d6e1d1aa152fed7a6480a08d1c2aRomain Guy startTiling(mSnapshot, true); 9535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 955586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 9568f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 9575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 9585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 9595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 9615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 9635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 9645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 9655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 9675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 9701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 9711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 9721d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 9731d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 9743762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 9751d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 9761d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 9771d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 9788ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Layer* layer = current->layer; 9798ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const Rect& rect = layer->layer; 9805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 981eb99356a0548684a501766e6a524529ab93304c8Romain Guy 982eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 9832b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 9842b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 985e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 986e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 9878ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 9888ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->removeFbo(false); 9898ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 990eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 991eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 9927c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 9932b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 9942b7028eabac80cec170572bc0e945a1d4224e595Romain Guy startTiling(previous); 995eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 996eb99356a0548684a501766e6a524529ab93304c8Romain Guy 9979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 998f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 9999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 10005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 10019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 1002f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 1003f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 100403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 10058b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 1006a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 10075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 10095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 1010eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 10115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 10129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 10139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 1014171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 10155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 10169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 1017171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 1018171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 10199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 10209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 10219ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 1022eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 10231d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 1024746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 1025746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 1026eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 10278550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 10281d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 1029603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 10301d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 10311d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 10321d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 1033aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 1034e83569ca76308bfe945efcfef5a12c64b8fb8849Chris Craik float alpha = layer->getAlpha() / 255.0f * mSnapshot->alpha; 1035aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1036aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 10379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 10388f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 10398f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 10408f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 10418f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 10428f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 1043aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 1044aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 10459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 1046aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 1047aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 1048aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 10499ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 10509ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 10518f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 10529ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 10538f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 10543b753829ae858d424fe109f714745379a6daf455Romain Guy if (currentTransform().isPureTranslate() && 1055ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 1056ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 10573b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(rect.left + currentTransform().getTranslateX() + 0.5f); 10583b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(rect.top + currentTransform().getTranslateY() + 0.5f); 10599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1060d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 10619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 10629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1063d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 10649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 10659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 10669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 1067aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 1068aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1069aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1070aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1071aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 1072aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1073aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 10745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 10759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 1076aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 1077aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 1078aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 10795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 10819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 10823b753829ae858d424fe109f714745379a6daf455Romain Guy bool simpleTransform = currentTransform().isPureTranslate() && 1083ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 1084b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 1085b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 1086b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 10879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 10889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 10893b753829ae858d424fe109f714745379a6daf455Romain Guy x = (int) floorf(rect.left + currentTransform().getTranslateX() + 0.5f); 10903b753829ae858d424fe109f714745379a6daf455Romain Guy y = (int) floorf(rect.top + currentTransform().getTranslateY() + 0.5f); 10919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 10929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1093d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 10949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1095d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 10969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 10979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 109816ecda5317c40fc3da284952d9b3add34d6763aeChris Craik float alpha = getLayerAlpha(layer); 1099e83569ca76308bfe945efcfef5a12c64b8fb8849Chris Craik bool blend = layer->isBlend() || alpha < 1.0f; 11009ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 1101e83569ca76308bfe945efcfef5a12c64b8fb8849Chris Craik layer->getTexture(), alpha, layer->getMode(), blend, 11029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 11039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 11045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1105aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1106aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 1107aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 1108aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 1109aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1110aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 11115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 11125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 111334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik/** 111434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * Issues the command X, and if we're composing a save layer to the fbo or drawing a newly updated 111534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * hardware layer with overdraw debug on, draws again to the stencil only, so that these draw 111634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * operations are correctly counted twice for overdraw. NOTE: assumes composeLayerRegion only used 111734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik * by saveLayer's restore 111834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik */ 111934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik#define DRAW_DOUBLE_STENCIL_IF(COND, DRAW_COMMAND) { \ 112034416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_COMMAND; \ 112134416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik if (CC_UNLIKELY(mCaches.debugOverdraw && getTargetFbo() == 0 && COND)) { \ 112234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); \ 112334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_COMMAND; \ 112434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); \ 112534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik } \ 112634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik } 112734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik 112834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik#define DRAW_DOUBLE_STENCIL(DRAW_COMMAND) DRAW_DOUBLE_STENCIL_IF(true, DRAW_COMMAND) 112934416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik 11305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 11315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 11329fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 11339fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 113434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(composeLayerRect(layer, layer->regionRect)); 11359fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 11365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 11375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 11385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11408a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 11418a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 1142211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 11435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 11446c5b9be7450903762f676522c32d65f7545730dfChris Craik const android::Rect* rects; 11456c5b9be7450903762f676522c32d65f7545730dfChris Craik Region safeRegion; 11466c5b9be7450903762f676522c32d65f7545730dfChris Craik if (CC_LIKELY(hasRectToRectTransform())) { 11476c5b9be7450903762f676522c32d65f7545730dfChris Craik rects = layer->region.getArray(&count); 11486c5b9be7450903762f676522c32d65f7545730dfChris Craik } else { 11496c5b9be7450903762f676522c32d65f7545730dfChris Craik safeRegion = Region::createTJunctionFreeRegion(layer->region); 11506c5b9be7450903762f676522c32d65f7545730dfChris Craik rects = safeRegion.getArray(&count); 11516c5b9be7450903762f676522c32d65f7545730dfChris Craik } 11525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 115316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik const float alpha = getLayerAlpha(layer); 11549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 11559ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 1156f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 11575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11588ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setupDraw(); 11598ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 11608ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // We must get (and therefore bind) the region mesh buffer 11618ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // after we setup drawing in case we need to mess with the 11628ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // stencil buffer in setupDraw() 11635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 11645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 11655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11667230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 11677230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 1168ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 11699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 11707230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 11717230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 11727230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 1173ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 11749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 11753b753829ae858d424fe109f714745379a6daf455Romain Guy if (currentTransform().isPureTranslate()) { 11763b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(rect.left + currentTransform().getTranslateX() + 0.5f); 11773b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(rect.top + currentTransform().getTranslateY() + 0.5f); 11789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1179d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 11809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 11819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1182d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 11839ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 11849ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 118515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 11865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 11885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 11895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 1191f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 11925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 1193f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 11945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 11965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 11975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 11985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 11995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 12005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 12025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 120434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(glDrawElements(GL_TRIANGLES, numQuads * 6, 120534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik GL_UNSIGNED_SHORT, NULL)); 12065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 12075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 12085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 121234416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL(glDrawElements(GL_TRIANGLES, numQuads * 6, 121334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik GL_UNSIGNED_SHORT, NULL)); 12145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12167230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 12175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 12193a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 12205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 12215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 12235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 12255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12263a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 12273a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 12283a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 12293a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 12303a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12313a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 12323a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 12333a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 12343a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 12353a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12363a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 12373a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 12383a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12393a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 12403a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 12413a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 12423a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 12433a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 12443a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12453a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 12463a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 12473a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 12483a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 12493a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 12503a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 12513a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 12528ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::drawRegionRects(const SkRegion& region, int color, 12538ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkXfermode::Mode mode, bool dirty) { 12548ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy int count = 0; 12558ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Vector<float> rects; 12568ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12578ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion::Iterator it(region); 12588ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy while (!it.done()) { 12598ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const SkIRect& r = it.rect(); 12608ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fLeft); 12618ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fTop); 12628ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fRight); 12638ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fBottom); 12642af4635e4a9e448a65ff541252f8f94bc6ac48e0Chris Craik count += 4; 12658ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy it.next(); 12668ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 12678ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12683bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy drawColorRects(rects.array(), count, color, mode, true, dirty, false); 12698ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 12708ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 12725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 1273f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 12745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 12755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 1276f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 12775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 12795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 12815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 1282f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 12835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 1284f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 12851bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 12861bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 12871bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 12881bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 12891bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 12901bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 12911bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 12921bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 12931bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 12945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 12975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 129854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 129954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 130054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 130154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 130254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 130354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 130454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 130554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 130654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 130754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 130854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 130954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 13108a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool scissorChanged = mCaches.disableScissor(); 131154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 131254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 131354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 131454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 131554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 131654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 131754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 131854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 131954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 132054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 132154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 132254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 132354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 132454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 132554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 132654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1327e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // We must clear the list of dirty rects before we 1328e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // call setupDraw() to prevent stencil setup to do 1329e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy // the same thing again 1330e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 133154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 133254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 133354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 133454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 133554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 133654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 133754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 133839d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 133954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 134054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 13418a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 13428a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (scissorChanged) mCaches.enableScissor(); 134354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 134454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 134554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 134654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 1347e67307c816f3fdae2bfba8e9a4410dc015645e91Romain Guy mLayers.clear(); 134854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 134954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 135054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1351bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1352c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik// State Deferral 1353c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1354c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1355ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikbool OpenGLRenderer::storeDisplayState(DeferredDisplayState& state, int stateDeferFlags) { 1356c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const Rect& currentClip = *(mSnapshot->clipRect); 1357c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const mat4& currentMatrix = *(mSnapshot->transform); 1358c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1359ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (stateDeferFlags & kStateDeferFlag_Draw) { 1360ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // state has bounds initialized in local coordinates 1361ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (!state.mBounds.isEmpty()) { 1362ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik currentMatrix.mapRect(state.mBounds); 13632db5e993b626794eb07a0ff354269f9a77da81b3Romain Guy state.mClipped = !currentClip.contains(state.mBounds); 1364ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (!state.mBounds.intersect(currentClip)) { 1365ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // quick rejected 1366ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return true; 1367ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1368ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } else { 13692db5e993b626794eb07a0ff354269f9a77da81b3Romain Guy // If we don't have bounds, let's assume we're clipped 13702db5e993b626794eb07a0ff354269f9a77da81b3Romain Guy // to prevent merging 13712db5e993b626794eb07a0ff354269f9a77da81b3Romain Guy state.mClipped = true; 1372ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik state.mBounds.set(currentClip); 1373c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1374ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1375ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1376527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik state.mClipValid = (stateDeferFlags & kStateDeferFlag_Clip); 1377527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (state.mClipValid) { 1378ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik state.mClip.set(currentClip); 1379c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1380c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 13817273daace9303f4662444111c40bb83d3ead4a92Chris Craik // Transform, drawModifiers, and alpha always deferred, since they are used by state operations 13827273daace9303f4662444111c40bb83d3ead4a92Chris Craik // (Note: saveLayer/restore use colorFilter and alpha, so we just save restore everything) 1383c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik state.mMatrix.load(currentMatrix); 13847273daace9303f4662444111c40bb83d3ead4a92Chris Craik state.mDrawModifiers = mDrawModifiers; 13857273daace9303f4662444111c40bb83d3ead4a92Chris Craik state.mAlpha = mSnapshot->alpha; 1386c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik return false; 1387c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1388c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1389527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craikvoid OpenGLRenderer::restoreDisplayState(const DeferredDisplayState& state, bool skipClipRestore) { 13903b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().load(state.mMatrix); 13917273daace9303f4662444111c40bb83d3ead4a92Chris Craik mDrawModifiers = state.mDrawModifiers; 13927273daace9303f4662444111c40bb83d3ead4a92Chris Craik mSnapshot->alpha = state.mAlpha; 1393ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 1394527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (state.mClipValid && !skipClipRestore) { 1395ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik mSnapshot->setClip(state.mClip.left, state.mClip.top, state.mClip.right, state.mClip.bottom); 1396ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik dirtyClip(); 1397ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 1398c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik} 1399c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1400527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craikvoid OpenGLRenderer::setFullScreenClip() { 1401527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mSnapshot->setClip(0, 0, mWidth, mHeight); 1402527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik dirtyClip(); 1403527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik} 1404527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 1405c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik/////////////////////////////////////////////////////////////////////////////// 1406f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 1407f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1408f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1409f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 14103b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().translate(dx, dy, 0.0f); 1411f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1412f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1413f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 14143b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().rotate(degrees, 0.0f, 0.0f, 1.0f); 1415f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1416f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1417f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 14183b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().scale(sx, sy, 1.0f); 1419f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1420f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1421807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 14223b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().skew(sx, sy); 1423807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 1424807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 1425f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 1426e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 14273b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().load(*matrix); 1428e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 14293b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().loadIdentity(); 1430e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 1431f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1432f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1433b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craikbool OpenGLRenderer::hasRectToRectTransform() { 14343b753829ae858d424fe109f714745379a6daf455Romain Guy return CC_LIKELY(currentTransform().rectToRect()); 1435b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik} 1436b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik 1437f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 14383b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().copyTo(*matrix); 1439f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1440f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1441f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 1442e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 14433b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().copyTo(transform); 1444e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 14453b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().load(transform); 1446f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1447f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1448f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1449f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1450f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1451f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1452bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1453e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 1454e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 14558f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 14568a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 14578a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 14588a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mDirtyClip = false; 14598a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 14609d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 14619d5316e3f56d138504565ff311145ac01621dff4Romain Guy 14628ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::ensureStencilBuffer() { 14638ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Thanks to the mismatch between EGL and OpenGL ES FBO we 14648ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // cannot attach a stencil buffer to fbo0 dynamically. Let's 14658ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // just hope we have one when hasLayer() returns false. 14668ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (hasLayer()) { 14678ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy attachStencilBufferToLayer(mSnapshot->layer); 14688ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14698ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 14708ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14718ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::attachStencilBufferToLayer(Layer* layer) { 14728ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The layer's FBO is already bound when we reach this stage 14738ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!layer->getStencilRenderBuffer()) { 1474c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // GL_QCOM_tiled_rendering doesn't like it if a renderbuffer 1475c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // is attached after we initiated tiling. We must turn it off, 1476c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // attach the new render buffer then turn tiling back on 1477c3fedafc5f50100219449125a000e3138f6fb987Romain Guy endTiling(); 1478c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 14798d4aeb7111afac0c3c7e56d4ad5d92f9cfce2ffdRomain Guy RenderBuffer* buffer = mCaches.renderBufferCache.get( 14803bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy Stencil::getSmallestStencilFormat(), layer->getWidth(), layer->getHeight()); 14818ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->setStencilRenderBuffer(buffer); 1482c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 1483f735c8e5cb59d6e1d1aa152fed7a6480a08d1c2aRomain Guy startTiling(layer->clipRect, layer->layer.getHeight()); 14848ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14858ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 14868ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14878ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::setStencilFromClip() { 14888ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mCaches.debugOverdraw) { 14898ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mSnapshot->clipRegion->isEmpty()) { 14908ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: The order here is important, we must set dirtyClip to false 14918ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // before any draw call to avoid calling back into this method 14928ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mDirtyClip = false; 14938ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14948ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy ensureStencilBuffer(); 14958ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14968ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableWrite(); 14978ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14988ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Clear the stencil but first make sure we restrict drawing 14998ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // to the region's bounds 15008ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool resetScissor = mCaches.enableScissor(); 15018ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) { 15028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The scissor was not set so we now need to update it 15038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setScissorFromClip(); 15048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.clear(); 15068ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) mCaches.disableScissor(); 15078ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15088ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: We could use the region contour path to generate a smaller mesh 15098ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Since we are using the stencil we could use the red book path 15108ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // drawing technique. It might increase bandwidth usage though. 15118ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15128ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The last parameter is important: we are not drawing in the color buffer 15138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // so we don't want to dirty the current layer, if any 15148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy drawRegionRects(*mSnapshot->clipRegion, 0xff000000, SkXfermode::kSrc_Mode, false); 15158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15168ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableTest(); 15173ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 15183ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Draw the region used to generate the stencil if the appropriate debug 15193ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // mode is enabled 15203ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy if (mCaches.debugStencilClip == Caches::kStencilShowRegion) { 15213ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy drawRegionRects(*mSnapshot->clipRegion, 0x7f0000ff, SkXfermode::kSrcOver_Mode); 15223ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy } 15238ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 15248ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.disable(); 15258ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15268ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15278ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 15288ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 15299d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 1530079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 1531bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 1532bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 15338a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom) { 15348a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mSnapshot->isIgnored()) { 15358a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return true; 15368a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 15378a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 15388a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect r(left, top, right, bottom); 15393b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(r); 15408a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy r.snapToPixelBoundaries(); 15418a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 15428a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect clipRect(*mSnapshot->clipRect); 15438a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clipRect.snapToPixelBoundaries(); 15448a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 15458a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return !clipRect.intersects(r); 15468a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy} 15478a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 154835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom, 154935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect& transformed, Rect& clip) { 155035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (mSnapshot->isIgnored()) { 155135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return true; 155235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 155335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 155435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy transformed.set(left, top, right, bottom); 15553b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(transformed); 155635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy transformed.snapToPixelBoundaries(); 155735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 155835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy clip.set(*mSnapshot->clipRect); 155935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy clip.snapToPixelBoundaries(); 156035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 156135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return !clip.intersects(transformed); 156235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 156335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 1564672433d90fab7383cd28beac9d4485b566a90940Romain Guybool OpenGLRenderer::quickRejectPreStroke(float left, float top, float right, float bottom, 1565672433d90fab7383cd28beac9d4485b566a90940Romain Guy SkPaint* paint) { 1566cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (paint->getStyle() != SkPaint::kFill_Style) { 1567cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = paint->getStrokeWidth() * 0.5f; 1568cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik return quickReject(left - outset, top - outset, right + outset, bottom + outset); 1569cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 1570cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik return quickReject(left, top, right, bottom); 1571cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 1572cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik} 1573cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik 1574c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 1575bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik if (mSnapshot->isIgnored() || bottom <= top || right <= left) { 1576dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1577dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1578dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 15791d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 15803b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(r); 1581d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 1582d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1583d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 1584d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 1585d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1586586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy bool rejected = !clipRect.intersects(r); 1587586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy if (!isDeferred() && !rejected) { 158887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.setScissorEnabled(mScissorOptimizationDisabled || !clipRect.contains(r)); 1589586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy } 1590586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy 1591586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy return rejected; 1592c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1593c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 15948ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::debugClip() { 1595735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy#if DEBUG_CLIP_REGIONS 15968ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!isDeferred() && !mSnapshot->clipRegion->isEmpty()) { 15978ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy drawRegionRects(*mSnapshot->clipRegion, 0x7f00ff00, SkXfermode::kSrcOver_Mode); 15988ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 15998ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy#endif 16008ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 1601735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 16028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 16033b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().rectToRect())) { 16048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 16058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 16068ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 1607735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy } 16088ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 16097ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 16108ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 16118ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkPath path; 16128ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy path.addRect(left, top, right, bottom); 16138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 16148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return clipPath(&path, op); 1615e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1616e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1617735738c4ddf3229caa5f6e634bf591953ac29944Romain Guybool OpenGLRenderer::clipPath(SkPath* path, SkRegion::Op op) { 16188ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkMatrix transform; 16193b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().copyTo(transform); 16208ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 16218ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkPath transformed; 16228ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy path->transform(transform, &transformed); 16238ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 16248ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion clip; 16258ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mSnapshot->clipRegion->isEmpty()) { 16268ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy clip.setRegion(*mSnapshot->clipRegion); 16278ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 16288ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Rect* bounds = mSnapshot->clipRect; 16298ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy clip.setRect(bounds->left, bounds->top, bounds->right, bounds->bottom); 16308ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 16318ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 16328ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion region; 16338ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy region.setPath(transformed, clip); 16348ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 16358ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clipRegionTransformed(region, op); 16368ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 16378ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 16388ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 16398ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 1640735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 1641735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1642735738c4ddf3229caa5f6e634bf591953ac29944Romain Guybool OpenGLRenderer::clipRegion(SkRegion* region, SkRegion::Op op) { 16438ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clipRegionTransformed(*region, op); 16448ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 16458ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 16468ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 16478ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 1648735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 1649735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1650a23eed808a1ae4ec0d818c0a9238385e797fd056Chet HaaseRect* OpenGLRenderer::getClipRect() { 1651a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase return mSnapshot->clipRect; 1652a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase} 1653a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase 1654f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 165570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 165670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 165770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 165854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 16598a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // TODO: It would be best if we could do this before quickReject() 16608a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 166154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 16628ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Make sure setScissor & setStencil happen at the beginning of 16638ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // this method 1664b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mDirtyClip) { 1665b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik if (mCaches.scissorEnabled) { 1666b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik setScissorFromClip(); 1667b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik } 16688ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setStencilFromClip(); 166970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 16703ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 167170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 16723ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 167370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 167470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 167570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 167670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 167770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 16783ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy 16793ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // Enable debug highlight when what we're about to draw is tested against 16803ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy // the stencil buffer and if stencil highlight debugging is on 16813ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mDescription.hasDebugHighlight = !mCaches.debugOverdraw && 16823ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.debugStencilClip == Caches::kStencilShowHighlight && 16833ff0bfdd144bba3b023eda8c49b25fb0d0de8653Romain Guy mCaches.stencil.isTestEnabled(); 168478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 168578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mDescription.emulateStencil = mCountOverdraw; 168670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 168770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 168870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 168970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 169070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 169170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 169270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1693ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyvoid OpenGLRenderer::setupDrawWithTextureAndColor(bool isAlpha8) { 1694ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasTexture = true; 1695ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasColors = true; 1696ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 1697ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1698ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1699aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1700aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1701aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1702aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 170315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 1704ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.disableTexCoordsVertexArray(); 170515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 170615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1707710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikvoid OpenGLRenderer::setupDrawAA() { 170899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 17095b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 17105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 17118d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 17128d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 1713886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1714886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1715886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 171670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 171770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 171870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 171970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 172086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 172186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 1722886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1723886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1724886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 172586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 172686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 172786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 172886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 17294121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 17304121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 17314121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 17324121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 173370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 173470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 173570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 173670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 173770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 173870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 173970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 174070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 174170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 174270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 1743c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 1744c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->describe(mDescription, mExtensions); 174570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 174670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 174770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 174870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 1749c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mColorFilter) { 1750c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter->describe(mDescription, mExtensions); 175170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 175270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 175370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1754f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1755f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1756f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1757f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 175854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1759f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1760f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1761f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 176270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1763f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1764f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1765f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1766c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik bool blend = (mColorSet && mColorA < 1.0f) || 1767c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik (mDrawModifiers.mShader && mDrawModifiers.mShader->blend()); 1768c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 176970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 177070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 177170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1772f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1773f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1774f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1775c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik blend |= (mColorSet && mColorA < 1.0f) || 1776c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik (mDrawModifiers.mShader && mDrawModifiers.mShader->blend()) || 1777c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik (mDrawModifiers.mColorFilter && mDrawModifiers.mColorFilter->blend()); 1778c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik chooseBlending(blend, mode, mDescription, swapSrcDst); 177970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 178070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 178170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 178270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 178370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 178470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 178570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 178670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 178770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 178870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 178970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 179070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 179170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 179270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 17933b753829ae858d424fe109f714745379a6daf455Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, currentTransform()); 17943b753829ae858d424fe109f714745379a6daf455Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, currentTransform()); 179570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1796c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mat4::identity()); 179770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 179870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 179970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 180070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 18018a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 18023b753829ae858d424fe109f714745379a6daf455Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mat4::identity(), currentTransform(), offset); 18038d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 18048d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 180570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 180670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 180770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 180870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 180970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 181070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 181170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 181270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 181386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 181486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 18153b753829ae858d424fe109f714745379a6daf455Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, currentTransform()); 181686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 18173b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(left, top, right, bottom, currentTransform()); 181886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 181986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 1820c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mat4::identity()); 182186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 182286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 182370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 182470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 182570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 1826c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if ((mColorSet && !mDrawModifiers.mShader) || (mDrawModifiers.mShader && mSetShaderColor)) { 182770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 182870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 182970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 183070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 183186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 18325536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 183386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 18345536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 18355536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 18365536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 183770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 1838c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 183970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 18403b753829ae858d424fe109f714745379a6daf455Romain Guy mModelView.loadInverse(currentTransform()); 184170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1842c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->setupProgram(mCaches.currentProgram, 1843c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mModelView, *mSnapshot, &mTextureUnit); 184470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 184570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 184670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 18478d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 1848c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 1849c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader->setupProgram(mCaches.currentProgram, 1850c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy mat4::identity(), *mSnapshot, &mTextureUnit); 18518d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 18528d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 18538d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 185470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 1855c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mColorFilter) { 1856c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter->setupProgram(mCaches.currentProgram); 185770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 185870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 185970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 18604121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 18614121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 18624121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 18634121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 186470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1865f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1866cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, 0); 186715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 186870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 186970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 187070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 1871257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (texture) bindTexture(texture); 18722d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 187315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 187470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 187570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1876aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1877aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 18782d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 187915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1880aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1881aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 18828f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 18838f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 18848f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 18858f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 18868f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1887aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1888aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1889aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1890aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 189170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1892f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 18933b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!vertices || vbo) { 1894f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 189570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1896f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 189770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1898d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1899cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 190015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1901cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 190215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 190315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 190415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 190515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 190615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1907ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLvoid* colors) { 1908ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool force = mCaches.unbindMeshBuffer(); 1909ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy GLsizei stride = sizeof(ColorTextureVertex); 1910ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1911ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindPositionVertexPointer(force, vertices, stride); 1912ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (mCaches.currentProgram->texCoords >= 0) { 1913ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.bindTexCoordsVertexPointer(force, texCoords, stride); 1914ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1915ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 1916ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 1917ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glEnableVertexAttribArray(slot); 1918ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glVertexAttribPointer(slot, 4, GL_FLOAT, GL_FALSE, stride, colors); 1919ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 1920ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 1921ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy mCaches.unbindIndicesBuffer(); 1922ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy} 1923ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 19243b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 19253b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bool force = false; 19263b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // If vbo is != 0 we want to treat the vertices parameter as an offset inside 19273b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // a VBO. However, if vertices is set to NULL and vbo == 0 then we want to 19283b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // use the default VBO found in Caches 19293b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!vertices || vbo) { 19303b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 19313b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } else { 19323b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy force = mCaches.unbindMeshBuffer(); 19333b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 19343b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mCaches.bindIndicesBuffer(); 19353b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1936cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 193715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1938cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 19398d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 194070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 194170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 19425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1943f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1944cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices, gVertexStride); 194515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 19465b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 19475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 194870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 194970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 195070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 195170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1952f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1953f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1954f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1955ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikstatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, Rect& dirty, 1956ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik int32_t replayFlags) { 195758d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status_t status; 19580fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 19590fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 196004c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 1961d90144db52c7297879b950cbbc85137ed123ab5bChris Craik if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { 196258d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status = startFrame(); 1963ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik ReplayStateStruct replayStruct(*this, dirty, replayFlags); 1964ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik displayList->replay(replayStruct, 0); 196558d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase return status | replayStruct.mDrawGlStatus; 1966c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik } 1967c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 1968c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik DeferredDisplayList deferredList; 1969ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik DeferStateStruct deferStruct(deferredList, *this, replayFlags); 1970ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik displayList->defer(deferStruct, 0); 197196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 197296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy flushLayers(); 197358d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase status = startFrame(); 197496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 197558d110afa0e0f3843d72617046185a3c2d48dca9Chet Haase return status | deferredList.flush(*this, dirty); 19760fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 19777b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 19786554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 19790fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 19800fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1981c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craikvoid OpenGLRenderer::outputDisplayList(DisplayList* displayList) { 1982ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 19837031ff68bb998dbbd7caf3b2fd75eef747a86725Romain Guy displayList->output(1); 1984ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1985ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1986ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1987a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1988a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1989a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1990a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1991a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1992886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint != NULL ? paint->getColor() : 0; 1993886b275e529e44a59c54b933453d9bc902973178Romain Guy 1994a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1995a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1996a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1997886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1998886b275e529e44a59c54b933453d9bc902973178Romain Guy 1999a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 20003b753829ae858d424fe109f714745379a6daf455Romain Guy if (currentTransform().isPureTranslate()) { 20013b753829ae858d424fe109f714745379a6daf455Romain Guy x = (int) floorf(left + currentTransform().getTranslateX() + 0.5f); 20023b753829ae858d424fe109f714745379a6daf455Romain Guy y = (int) floorf(top + currentTransform().getTranslateY() + 0.5f); 2003a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 2004a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 2005886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(GL_NEAREST, true); 2006886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2007886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(FILTER(paint), true); 20085b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 2009e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 20103b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // No need to check for a UV mapper on the texture object, only ARGB_8888 20113b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // bitmaps get packed in the atlas 2012886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 20133b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy paint != NULL, color, alpha, mode, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 20143b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 2015a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 2016a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 2017527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craikstatus_t OpenGLRenderer::drawBitmaps(SkBitmap* bitmap, int bitmapCount, TextureVertex* vertices, 20182db5e993b626794eb07a0ff354269f9a77da81b3Romain Guy bool transformed, const Rect& bounds, SkPaint* paint) { 2019527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2020527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // merged draw operations don't need scissor, but clip should still be valid 2021527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled); 2022527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2023527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mCaches.activeTexture(0); 20243b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2025527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (!texture) return DrawGlInfo::kStatusDone; 20263b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2027527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const AutoTexture autoCleanup(texture); 2028527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2029527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik int alpha; 2030527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik SkXfermode::Mode mode; 2031527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik getAlphaAndMode(paint, &alpha, &mode); 2032527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2033527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik texture->setWrap(GL_CLAMP_TO_EDGE, true); 20342db5e993b626794eb07a0ff354269f9a77da81b3Romain Guy texture->setFilter(transformed ? FILTER(paint) : GL_NEAREST, true); 2035527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2036527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const float x = (int) floorf(bounds.left + 0.5f); 2037527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik const float y = (int) floorf(bounds.top + 0.5f); 2038527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 2039527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik int color = paint != NULL ? paint->getColor() : 0; 2040527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawAlpha8TextureMesh(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 2041527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik texture->id, paint != NULL, color, alpha, mode, 2042527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik &vertices[0].position[0], &vertices[0].texture[0], 2043527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik GL_TRIANGLES, bitmapCount * 6, true, true); 2044527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } else { 2045527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawTextureMesh(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 2046527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik texture->id, alpha / 255.0f, mode, texture->blend, 2047527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik &vertices[0].position[0], &vertices[0].texture[0], 2048527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik GL_TRIANGLES, bitmapCount * 6, false, true, 0, true); 2049527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 2050527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2051527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik return DrawGlInfo::kStatusDrew; 2052527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik} 2053527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2054486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 20556926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 20566926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 20576926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 20586926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 2059486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 20606926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 20616926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2062a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 20633b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2064486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 206522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 206622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 2067211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 2068a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 2069a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 2070a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 2071a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 2072486590963e2207d68eebd6944fec70d50d41116aChet Haase 2073486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 20748ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 20758ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 2076486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 2077f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 2078f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 2079f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 2080f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 20816926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 2082486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 20836926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 20846926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2085a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 20863b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2087486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 208822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 208922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 20905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 20915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 20925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 20935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 2094886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 2095886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, 0.0f, 0.0f, paint); 2096886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2097886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 2098886b275e529e44a59c54b933453d9bc902973178Romain Guy } 20995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 2100486590963e2207d68eebd6944fec70d50d41116aChet Haase 2101486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2102f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 2103f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 2104486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 2105e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 2106e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 2107e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2108e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy if (quickReject(left, top, right, bottom)) { 2109486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2110e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 2111e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2112e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 2113e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 2114e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 2115e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2116886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 2117886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, left, top, paint); 2118886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2119886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(left, top, right, bottom, texture, paint); 2120886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2121486590963e2207d68eebd6944fec70d50d41116aChet Haase 2122486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2123e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 2124e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 2125486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 21265a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 21275a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 2128486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 21295a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 21305a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2131b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 2132b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 2133b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 2134b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 2135b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2136a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const uint32_t count = meshWidth * meshHeight * 6; 2137b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2138ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex mesh[count]; 2139ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex* vertex = mesh; 2140ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2141ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy bool cleanupColors = false; 2142ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!colors) { 2143ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy uint32_t colorsCount = (meshWidth + 1) * (meshHeight + 1); 2144ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy colors = new int[colorsCount]; 2145ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy memset(colors, 0xff, colorsCount * sizeof(int)); 2146ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy cleanupColors = true; 2147ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2148a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 21493b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mCaches.activeTexture(0); 21503b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = mCaches.assetAtlas.getEntryTexture(bitmap); 21513b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy const UvMapper& mapper(getMapper(texture)); 21523b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 21535a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 21545a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 21555a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 21565a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 21575a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 21585a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 21595a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 21605a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 21615a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 21623b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mapper.map(u1, v1, u2, v2); 21633b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 21645a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 21655a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 21665a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 21675a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 21685a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 21695a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 21705a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 21715a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 21725a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2173ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 2174ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2, colors[ax / 2]); 2175ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 21765a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2177ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 2178ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 2179ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy ColorTextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1, colors[cx / 2]); 2180b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2181a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 2182a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 2183a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 2184a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 21855a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 21865a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 21875a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2188a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (quickReject(left, top, right, bottom)) { 2189ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 2190a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy return DrawGlInfo::kStatusDone; 2191a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy } 2192a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2193ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (!texture) { 21943b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture = mCaches.textureCache.get(bitmap); 21953b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!texture) { 21963b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (cleanupColors) delete[] colors; 21973b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return DrawGlInfo::kStatusDone; 21983b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 2199ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2200a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const AutoTexture autoCleanup(texture); 2201a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2202a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2203a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setFilter(FILTER(paint), true); 2204a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2205a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy int alpha; 2206a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy SkXfermode::Mode mode; 2207a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2208a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 2209ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy float a = alpha / 255.0f; 2210ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2211a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (hasLayer()) { 22123b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(left, top, right, bottom, currentTransform()); 2213b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 2214b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 2215ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDraw(); 2216ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawWithTextureAndColor(); 2217ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColor(a, a, a, a); 2218ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColorFilter(); 2219ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawBlending(true, mode, false); 2220ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawProgram(); 2221ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawDirtyRegionsDisabled(); 2222ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawModelView(0.0f, 0.0f, 1.0f, 1.0f, false); 2223ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawTexture(texture->id); 2224ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawPureColorUniforms(); 2225ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawColorFilterUniforms(); 2226ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy setupDrawMesh(&mesh[0].position[0], &mesh[0].texture[0], &mesh[0].color[0]); 2227ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2228ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDrawArrays(GL_TRIANGLES, 0, count); 2229ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2230ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy finishDrawTexture(); 2231ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2232ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy int slot = mCaches.currentProgram->getAttrib("colors"); 2233ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (slot >= 0) { 2234ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy glDisableVertexAttribArray(slot); 2235ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy } 2236ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy 2237ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy if (cleanupColors) delete[] colors; 2238486590963e2207d68eebd6944fec70d50d41116aChet Haase 2239486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 22405a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 22415a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 2242486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 22438ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 22448ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 22455c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 22466926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 2247486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 22486926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 22496926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2250a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 22513b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = getTexture(bitmap); 2252486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 225322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 22548ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 22558ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 22568ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 2257c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 22583b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float u1 = fmax(0.0f, srcLeft / width); 22593b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float v1 = fmax(0.0f, srcTop / height); 22603b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float u2 = fmin(1.0f, srcRight / width); 22613b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float v2 = fmin(1.0f, srcBottom / height); 22623b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 22633b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy getMapper(texture).map(u1, v1, u2, v2); 2264c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 226503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 22668ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 22678ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 226803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 226903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 227003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 227103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 2272d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2273d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 2274886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleX = (dstRight - dstLeft) / (srcRight - srcLeft); 2275886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleY = (dstBottom - dstTop) / (srcBottom - srcTop); 22766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2277886b275e529e44a59c54b933453d9bc902973178Romain Guy bool scaled = scaleX != 1.0f || scaleY != 1.0f; 2278886b275e529e44a59c54b933453d9bc902973178Romain Guy // Apply a scale transform on the canvas only when a shader is in use 2279886b275e529e44a59c54b933453d9bc902973178Romain Guy // Skia handles the ratio between the dst and src rects as a scale factor 2280886b275e529e44a59c54b933453d9bc902973178Romain Guy // when a shader is set 2281c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik bool useScaleTransform = mDrawModifiers.mShader && scaled; 2282886b275e529e44a59c54b933453d9bc902973178Romain Guy bool ignoreTransform = false; 2283b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 22843b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().isPureTranslate() && !useScaleTransform)) { 22853b753829ae858d424fe109f714745379a6daf455Romain Guy float x = (int) floorf(dstLeft + currentTransform().getTranslateX() + 0.5f); 22863b753829ae858d424fe109f714745379a6daf455Romain Guy float y = (int) floorf(dstTop + currentTransform().getTranslateY() + 0.5f); 2287886b275e529e44a59c54b933453d9bc902973178Romain Guy 2288886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = x + (dstRight - dstLeft); 2289886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = y + (dstBottom - dstTop); 2290886b275e529e44a59c54b933453d9bc902973178Romain Guy 2291886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = x; 2292886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = y; 2293886b275e529e44a59c54b933453d9bc902973178Romain Guy 2294886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(scaled ? FILTER(paint) : GL_NEAREST, true); 2295886b275e529e44a59c54b933453d9bc902973178Romain Guy ignoreTransform = true; 22966620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2297d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 2298886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2299886b275e529e44a59c54b933453d9bc902973178Romain Guy 2300886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2301886b275e529e44a59c54b933453d9bc902973178Romain Guy save(SkCanvas::kMatrix_SaveFlag); 2302886b275e529e44a59c54b933453d9bc902973178Romain Guy translate(dstLeft, dstTop); 2303886b275e529e44a59c54b933453d9bc902973178Romain Guy scale(scaleX, scaleY); 2304886b275e529e44a59c54b933453d9bc902973178Romain Guy 2305886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = 0.0f; 2306886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = 0.0f; 2307886b275e529e44a59c54b933453d9bc902973178Romain Guy 2308886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = srcRight - srcLeft; 2309886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = srcBottom - srcTop; 2310886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2311886b275e529e44a59c54b933453d9bc902973178Romain Guy 2312886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 2313886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint ? paint->getColor() : 0; 2314886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(dstLeft, dstTop, dstRight, dstBottom, 2315886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->id, paint != NULL, color, alpha, mode, 2316886b275e529e44a59c54b933453d9bc902973178Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 2317886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 2318886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2319886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, 2320886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 2321886b275e529e44a59c54b933453d9bc902973178Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 2322886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, ignoreTransform); 2323886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2324886b275e529e44a59c54b933453d9bc902973178Romain Guy 2325886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2326886b275e529e44a59c54b933453d9bc902973178Romain Guy restore(); 23276620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 23288ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 23298ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 2330486590963e2207d68eebd6944fec70d50d41116aChet Haase 2331486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2332ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 2333ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 23343b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guystatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, Res_png_9patch* patch, 23355c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 2336be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy int alpha; 2337be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy SkXfermode::Mode mode; 233816ecda5317c40fc3da284952d9b3add34d6763aeChris Craik getAlphaAndMode(paint, &alpha, &mode); 2339be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 23403b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return drawPatch(bitmap, patch, mCaches.assetAtlas.getEntry(bitmap), 2341be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy left, top, right, bottom, alpha, mode); 2342be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 2343be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 23443b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guystatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, Res_png_9patch* patch, 23453b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy AssetAtlas::Entry* entry, float left, float top, float right, float bottom, 23463b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy int alpha, SkXfermode::Mode mode) { 23476926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 2348486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 23496926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 23506926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 23513b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy const Patch* mesh = mCaches.patchCache.get(entry, bitmap->width(), bitmap->height(), 23523b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy right - left, bottom - top, patch); 2353f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2354211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 2355a4adcf0239039eb8f005be252409901c41b28839Romain Guy mCaches.activeTexture(0); 2356a404e16e4933857464046d763ed7629cd0c86cbfRomain Guy Texture* texture = entry ? entry->texture : mCaches.textureCache.get(bitmap); 2357a4adcf0239039eb8f005be252409901c41b28839Romain Guy if (!texture) return DrawGlInfo::kStatusDone; 2358a4adcf0239039eb8f005be252409901c41b28839Romain Guy const AutoTexture autoCleanup(texture); 23593b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2360a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2361a4adcf0239039eb8f005be252409901c41b28839Romain Guy texture->setFilter(GL_LINEAR, true); 2362a4adcf0239039eb8f005be252409901c41b28839Romain Guy 23633b753829ae858d424fe109f714745379a6daf455Romain Guy const bool pureTranslate = currentTransform().isPureTranslate(); 23645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 23658168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 23663b753829ae858d424fe109f714745379a6daf455Romain Guy const float offsetX = left + currentTransform().getTranslateX(); 23673b753829ae858d424fe109f714745379a6daf455Romain Guy const float offsetY = top + currentTransform().getTranslateY(); 23685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 23695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 23708ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 2371211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2372c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 2373c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 2374c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 23756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2376c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 23773b753829ae858d424fe109f714745379a6daf455Romain Guy left + bounds.right, top + bounds.bottom, currentTransform()); 23786620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 23795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 23805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 23815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 23823b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy alpha *= mSnapshot->alpha; 23833b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2384211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 23853b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(left + currentTransform().getTranslateX() + 0.5f); 23863b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(top + currentTransform().getTranslateY() + 0.5f); 23876620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 23883b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy right = x + right - left; 23893b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bottom = y + bottom - top; 23903b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy drawIndexedTextureMesh(x, y, right, bottom, texture->id, alpha / 255.0f, 23913b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mode, texture->blend, (GLvoid*) mesh->offset, (GLvoid*) mesh->textureOffset, 23923b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLES, mesh->indexCount, false, true, 23933b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mCaches.patchCache.getMeshBuffer(), true, !mesh->hasEmptyQuads); 23946620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 23953b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy drawIndexedTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 23963b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mode, texture->blend, (GLvoid*) mesh->offset, (GLvoid*) mesh->textureOffset, 23973b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLES, mesh->indexCount, false, false, 23983b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy mCaches.patchCache.getMeshBuffer(), true, !mesh->hasEmptyQuads); 23996620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 2400054dc1840941665e32036f9523df51720ad069c8Romain Guy } 2401486590963e2207d68eebd6944fec70d50d41116aChet Haase 2402486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2403f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2404f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 240565cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawVertexBuffer(const VertexBuffer& vertexBuffer, SkPaint* paint, 240665cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset) { 24076d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik if (!vertexBuffer.getVertexCount()) { 2408bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik // no vertices to draw 240965cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDone; 2410bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik } 2411bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik 241265cd612face362d054a85d0f7e5881c59cd523beChris Craik int color = paint->getColor(); 241365cd612face362d054a85d0f7e5881c59cd523beChris Craik SkXfermode::Mode mode = getXfermode(paint->getXfermode()); 241465cd612face362d054a85d0f7e5881c59cd523beChris Craik bool isAA = paint->isAntiAlias(); 241565cd612face362d054a85d0f7e5881c59cd523beChris Craik 2416710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDraw(); 2417710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawNoTexture(); 2418710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) setupDrawAA(); 2419710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 2420710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilter(); 2421710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShader(); 2422710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawBlending(isAA, mode); 2423710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawProgram(); 242465cd612face362d054a85d0f7e5881c59cd523beChris Craik setupDrawModelViewIdentity(useOffset); 2425710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorUniforms(); 2426710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilterUniforms(); 2427710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShaderIdentityUniforms(); 2428858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2429710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* vertices = vertexBuffer.getBuffer(); 2430710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik bool force = mCaches.unbindMeshBuffer(); 2431cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(true, vertices, isAA ? gAlphaVertexStride : gVertexStride); 2432710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.resetTexCoordsVertexPointer(); 2433710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.unbindIndicesBuffer(); 24346ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2435710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik int alphaSlot = -1; 2436710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 2437710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* alphaCoords = ((GLbyte*) vertices) + gVertexAlphaOffset; 2438710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); 24396ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2440710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik // TODO: avoid enable/disable in back to back uses of the alpha attribute 24416ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glEnableVertexAttribArray(alphaSlot); 24426ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); 2443710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 24446ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 24456d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik glDrawArrays(GL_TRIANGLE_STRIP, 0, vertexBuffer.getVertexCount()); 24467b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2447710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 24486ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDisableVertexAttribArray(alphaSlot); 244904299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 245065cd612face362d054a85d0f7e5881c59cd523beChris Craik 245165cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2452858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 2453858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2454858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 245565cd612face362d054a85d0f7e5881c59cd523beChris Craik * Renders a convex path via tessellation. For AA paths, this function uses a similar approach to 245665cd612face362d054a85d0f7e5881c59cd523beChris Craik * that of AA lines in the drawLines() function. We expand the convex path by a half pixel in 245765cd612face362d054a85d0f7e5881c59cd523beChris Craik * screen space in all directions. However, instead of using a fragment shader to compute the 245865cd612face362d054a85d0f7e5881c59cd523beChris Craik * translucency of the color from its position, we simply use a varying parameter to define how far 245965cd612face362d054a85d0f7e5881c59cd523beChris Craik * a given pixel is from the edge. For non-AA paths, the expansion and alpha varying are not used. 246065cd612face362d054a85d0f7e5881c59cd523beChris Craik * 246165cd612face362d054a85d0f7e5881c59cd523beChris Craik * Doesn't yet support joins, caps, or path effects. 246299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 246365cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawConvexPath(const SkPath& path, SkPaint* paint) { 246465cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer vertexBuffer; 246565cd612face362d054a85d0f7e5881c59cd523beChris Craik // TODO: try clipping large paths to viewport 246665cd612face362d054a85d0f7e5881c59cd523beChris Craik PathTessellator::tessellatePath(path, paint, mSnapshot->transform, vertexBuffer); 24677b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2468c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy if (hasLayer()) { 2469c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy SkRect bounds = path.getBounds(); 2470c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy PathTessellator::expandBoundsForStroke(bounds, paint, false); 2471c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, currentTransform()); 2472c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy } 24737b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 247465cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawVertexBuffer(vertexBuffer, paint); 247565cd612face362d054a85d0f7e5881c59cd523beChris Craik} 24767b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 247765cd612face362d054a85d0f7e5881c59cd523beChris Craik/** 247865cd612face362d054a85d0f7e5881c59cd523beChris Craik * We create tristrips for the lines much like shape stroke tessellation, using a per-vertex alpha 247965cd612face362d054a85d0f7e5881c59cd523beChris Craik * and additional geometry for defining an alpha slope perimeter. 248065cd612face362d054a85d0f7e5881c59cd523beChris Craik * 248165cd612face362d054a85d0f7e5881c59cd523beChris Craik * Using GL_LINES can be difficult because the rasterization rules for those lines produces some 248265cd612face362d054a85d0f7e5881c59cd523beChris Craik * unexpected results, and may vary between hardware devices. Previously we used a varying-base 248365cd612face362d054a85d0f7e5881c59cd523beChris Craik * in-shader alpha region, but found it to be taxing on some GPUs. 248465cd612face362d054a85d0f7e5881c59cd523beChris Craik * 248565cd612face362d054a85d0f7e5881c59cd523beChris Craik * TODO: try using a fixed input buffer for non-capped lines as in text rendering. this may reduce 248665cd612face362d054a85d0f7e5881c59cd523beChris Craik * memory transfer by removing need for degenerate vertices. 248765cd612face362d054a85d0f7e5881c59cd523beChris Craik */ 248865cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 248965cd612face362d054a85d0f7e5881c59cd523beChris Craik if (mSnapshot->isIgnored() || count < 4) return DrawGlInfo::kStatusDone; 24907b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 249165cd612face362d054a85d0f7e5881c59cd523beChris Craik count &= ~0x3; // round down to nearest four 24927b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 249365cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer buffer; 249465cd612face362d054a85d0f7e5881c59cd523beChris Craik SkRect bounds; 249565cd612face362d054a85d0f7e5881c59cd523beChris Craik PathTessellator::tessellateLines(points, count, paint, mSnapshot->transform, bounds, buffer); 2496d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 2497d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy if (quickReject(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom)) { 2498d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy return DrawGlInfo::kStatusDone; 2499d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy } 2500d71ff91dcd79f6beea4bbe768ab3bcbb1a6d7c39Romain Guy 25013b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, currentTransform()); 2502486590963e2207d68eebd6944fec70d50d41116aChet Haase 250365cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset = !paint->isAntiAlias(); 250465cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawVertexBuffer(buffer, paint, useOffset); 25055b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 25065b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2507486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 25086d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik if (mSnapshot->isIgnored() || count < 2) return DrawGlInfo::kStatusDone; 2509ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 25106d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik count &= ~0x1; // round down to nearest two 25117b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 25126d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik VertexBuffer buffer; 25136d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik SkRect bounds; 25146d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik PathTessellator::tessellatePoints(points, count, paint, mSnapshot->transform, bounds, buffer); 25157b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 25166d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik if (quickReject(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom)) { 25176d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik return DrawGlInfo::kStatusDone; 2518ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2519ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 25206d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, currentTransform()); 2521486590963e2207d68eebd6944fec70d50d41116aChet Haase 25226d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik bool useOffset = !paint->isAntiAlias(); 25236d29c8d5218cac0fb35f3b7c253f2bdebd44f15aChris Craik return drawVertexBuffer(buffer, paint, useOffset); 2524ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2525ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2526486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2527e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2528486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2529e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2530ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2531ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 253270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 25333d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2534486590963e2207d68eebd6944fec70d50d41116aChet Haase 2535486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2536c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 25379d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2538486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2539486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2540486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 254101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 254201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 254301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 254401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 254501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 254601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2547486590963e2207d68eebd6944fec70d50d41116aChet Haase 2548486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 254901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 255001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2551486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2552710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik float rx, float ry, SkPaint* p) { 2553257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p) || 2554257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2555710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2556710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 255701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2558cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2559710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2560c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getRoundRect( 2561710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik right - left, bottom - top, rx, ry, p); 2562710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2563710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2564710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2565710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2566710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2567cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2568cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = p->getStrokeWidth() / 2; 2569cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(outset, outset); 2570cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rx += outset; 2571cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik ry += outset; 2572cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2573710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRoundRect(rect, rx, ry); 257465cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2575c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 257601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2577710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikstatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* p) { 2578cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(x - radius, y - radius, 2579257ae3502cfad43df681b1783528d645bdabc63fRomain Guy x + radius, y + radius, p) || 2580257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2581710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2582710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2583cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2584710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2585c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getCircle(radius, p); 2586710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(x - radius, y - radius, texture, p); 2587710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2588710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2589710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2590cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2591cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius + p->getStrokeWidth() / 2); 2592cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 2593cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius); 2594cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 259565cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2596c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 259701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2598486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2599710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPaint* p) { 2600257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p) || 2601257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2602710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2603710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 260401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2605cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2606710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2607c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getOval(right - left, bottom - top, p); 2608710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2609710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2610710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2611710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2612710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2613cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2614cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2615cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2616710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addOval(rect); 261765cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2618c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2619c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2620486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 2621780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik float startAngle, float sweepAngle, bool useCenter, SkPaint* p) { 2622257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p) || 2623257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2624780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return DrawGlInfo::kStatusDone; 2625780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 26268b2f5267f16c295f12faab810527cd6311997e34Romain Guy 26278b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 2628780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawOval(left, top, right, bottom, p); 26298b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 26308b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2631780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik // TODO: support fills (accounting for concavity if useCenter && sweepAngle > 180) 263265cd612face362d054a85d0f7e5881c59cd523beChris Craik if (p->getStyle() != SkPaint::kStroke_Style || p->getPathEffect() != 0 || useCenter) { 2633780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik mCaches.activeTexture(0); 2634c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy const PathTexture* texture = mCaches.pathCache.getArc(right - left, bottom - top, 2635780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik startAngle, sweepAngle, useCenter, p); 2636780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawShape(left, top, texture, p); 2637780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2638780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2639780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2640780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2641780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2642780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2643780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2644780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkPath path; 2645780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2646780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.moveTo(rect.centerX(), rect.centerY()); 2647780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2648780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.arcTo(rect, startAngle, sweepAngle, !useCenter); 2649780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2650780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.close(); 2651780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 265265cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 26538b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 26548b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2655cf8675ee176a375f873792684d38a47f78348dffRomain Guy// See SkPaintDefaults.h 2656cf8675ee176a375f873792684d38a47f78348dffRomain Guy#define SkPaintDefaults_MiterLimit SkIntToScalar(4) 2657cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2658486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2659257ae3502cfad43df681b1783528d645bdabc63fRomain Guy if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p) || 2660257ae3502cfad43df681b1783528d645bdabc63fRomain Guy (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { 2661486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 26626926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 26636926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2664710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2665cf8675ee176a375f873792684d38a47f78348dffRomain Guy // only fill style is supported by drawConvexPath, since others have to handle joins 2666cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getPathEffect() != 0 || p->getStrokeJoin() != SkPaint::kMiter_Join || 2667cf8675ee176a375f873792684d38a47f78348dffRomain Guy p->getStrokeMiter() != SkPaintDefaults_MiterLimit) { 2668cf8675ee176a375f873792684d38a47f78348dffRomain Guy mCaches.activeTexture(0); 2669cf8675ee176a375f873792684d38a47f78348dffRomain Guy const PathTexture* texture = 2670c46d07a29e94807e768f8b162ce9f77a88ba6f46Romain Guy mCaches.pathCache.getRect(right - left, bottom - top, p); 2671cf8675ee176a375f873792684d38a47f78348dffRomain Guy return drawShape(left, top, texture, p); 2672cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2673cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2674cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkPath path; 2675cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2676cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2677cf8675ee176a375f873792684d38a47f78348dffRomain Guy rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2678cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2679cf8675ee176a375f873792684d38a47f78348dffRomain Guy path.addRect(rect); 268065cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2681026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2682026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 26833b753829ae858d424fe109f714745379a6daf455Romain Guy if (p->isAntiAlias() && !currentTransform().isSimple()) { 2684710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2685710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRect(left, top, right, bottom); 268665cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2687858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2688710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik drawColorRect(left, top, right, bottom, p->getColor(), getXfermode(p->getXfermode())); 268965cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2690858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2691c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 26929d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2693416a847633680d94efb926837efdc18726d54918Raph Levienvoid OpenGLRenderer::drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, 2694416a847633680d94efb926837efdc18726d54918Raph Levien const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, 2695416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y) { 2696416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2697416a847633680d94efb926837efdc18726d54918Raph Levien 2698416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2699416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2700416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2701416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2702c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik paint, text, bytesCount, count, mDrawModifiers.mShadowRadius, positions); 2703cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy // If the drop shadow exceeds the max texture size or couldn't be 2704cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy // allocated, skip drawing 2705cf51a4199835e9604aa4c8b3854306f8fbabbf33Romain Guy if (!shadow) return; 2706416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2707416a847633680d94efb926837efdc18726d54918Raph Levien 2708c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const float sx = x - shadow->left + mDrawModifiers.mShadowDx; 2709c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const float sy = y - shadow->top + mDrawModifiers.mShadowDy; 2710416a847633680d94efb926837efdc18726d54918Raph Levien 2711c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik const int shadowAlpha = ((mDrawModifiers.mShadowColor >> 24) & 0xFF) * mSnapshot->alpha; 2712c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik int shadowColor = mDrawModifiers.mShadowColor; 2713c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 2714416a847633680d94efb926837efdc18726d54918Raph Levien shadowColor = 0xffffffff; 2715416a847633680d94efb926837efdc18726d54918Raph Levien } 2716416a847633680d94efb926837efdc18726d54918Raph Levien 2717416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2718416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2719416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2720416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilter(); 2721416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShader(); 2722416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawBlending(true, mode); 2723416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 2724416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 2725416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2726416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 2727416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilterUniforms(); 2728416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShaderUniforms(); 2729416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2730416a847633680d94efb926837efdc18726d54918Raph Levien 2731416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2732416a847633680d94efb926837efdc18726d54918Raph Levien} 2733416a847633680d94efb926837efdc18726d54918Raph Levien 2734768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guybool OpenGLRenderer::canSkipText(const SkPaint* paint) const { 2735768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy float alpha = (mDrawModifiers.mHasShadow ? 1.0f : paint->getAlpha()) * mSnapshot->alpha; 2736768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy return alpha == 0.0f && getXfermode(paint->getXfermode()) == SkXfermode::kSrcOver_Mode; 2737768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy} 2738768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy 2739257ae3502cfad43df681b1783528d645bdabc63fRomain Guyclass TextSetupFunctor: public Functor { 2740257ae3502cfad43df681b1783528d645bdabc63fRomain Guypublic: 2741257ae3502cfad43df681b1783528d645bdabc63fRomain Guy TextSetupFunctor(OpenGLRenderer& renderer, float x, float y, bool pureTranslate, 2742257ae3502cfad43df681b1783528d645bdabc63fRomain Guy int alpha, SkXfermode::Mode mode, SkPaint* paint): Functor(), 2743257ae3502cfad43df681b1783528d645bdabc63fRomain Guy renderer(renderer), x(x), y(y), pureTranslate(pureTranslate), 2744257ae3502cfad43df681b1783528d645bdabc63fRomain Guy alpha(alpha), mode(mode), paint(paint) { 2745257ae3502cfad43df681b1783528d645bdabc63fRomain Guy } 2746257ae3502cfad43df681b1783528d645bdabc63fRomain Guy ~TextSetupFunctor() { } 2747257ae3502cfad43df681b1783528d645bdabc63fRomain Guy 2748257ae3502cfad43df681b1783528d645bdabc63fRomain Guy status_t operator ()(int what, void* data) { 2749257ae3502cfad43df681b1783528d645bdabc63fRomain Guy renderer.setupDraw(); 2750257ae3502cfad43df681b1783528d645bdabc63fRomain Guy renderer.setupDrawTextGamma(paint); 2751257ae3502cfad43df681b1783528d645bdabc63fRomain Guy renderer.setupDrawDirtyRegionsDisabled(); 2752257ae3502cfad43df681b1783528d645bdabc63fRomain Guy renderer.setupDrawWithTexture(true); 2753257ae3502cfad43df681b1783528d645bdabc63fRomain Guy renderer.setupDrawAlpha8Color(paint->getColor(), alpha); 2754257ae3502cfad43df681b1783528d645bdabc63fRomain Guy renderer.setupDrawColorFilter(); 2755257ae3502cfad43df681b1783528d645bdabc63fRomain Guy renderer.setupDrawShader(); 2756257ae3502cfad43df681b1783528d645bdabc63fRomain Guy renderer.setupDrawBlending(true, mode); 2757257ae3502cfad43df681b1783528d645bdabc63fRomain Guy renderer.setupDrawProgram(); 2758257ae3502cfad43df681b1783528d645bdabc63fRomain Guy renderer.setupDrawModelView(x, y, x, y, pureTranslate, true); 2759257ae3502cfad43df681b1783528d645bdabc63fRomain Guy // Calling setupDrawTexture with the name 0 will enable the 2760257ae3502cfad43df681b1783528d645bdabc63fRomain Guy // uv attributes and increase the texture unit count 2761257ae3502cfad43df681b1783528d645bdabc63fRomain Guy // texture binding will be performed by the font renderer as 2762257ae3502cfad43df681b1783528d645bdabc63fRomain Guy // needed 2763257ae3502cfad43df681b1783528d645bdabc63fRomain Guy renderer.setupDrawTexture(0); 2764257ae3502cfad43df681b1783528d645bdabc63fRomain Guy renderer.setupDrawPureColorUniforms(); 2765257ae3502cfad43df681b1783528d645bdabc63fRomain Guy renderer.setupDrawColorFilterUniforms(); 2766257ae3502cfad43df681b1783528d645bdabc63fRomain Guy renderer.setupDrawShaderUniforms(pureTranslate); 2767257ae3502cfad43df681b1783528d645bdabc63fRomain Guy renderer.setupDrawTextGammaUniforms(); 2768257ae3502cfad43df681b1783528d645bdabc63fRomain Guy 2769257ae3502cfad43df681b1783528d645bdabc63fRomain Guy return NO_ERROR; 2770257ae3502cfad43df681b1783528d645bdabc63fRomain Guy } 2771257ae3502cfad43df681b1783528d645bdabc63fRomain Guy 2772257ae3502cfad43df681b1783528d645bdabc63fRomain Guy OpenGLRenderer& renderer; 2773257ae3502cfad43df681b1783528d645bdabc63fRomain Guy float x; 2774257ae3502cfad43df681b1783528d645bdabc63fRomain Guy float y; 2775257ae3502cfad43df681b1783528d645bdabc63fRomain Guy bool pureTranslate; 2776257ae3502cfad43df681b1783528d645bdabc63fRomain Guy int alpha; 2777257ae3502cfad43df681b1783528d645bdabc63fRomain Guy SkXfermode::Mode mode; 2778257ae3502cfad43df681b1783528d645bdabc63fRomain Guy SkPaint* paint; 2779257ae3502cfad43df681b1783528d645bdabc63fRomain Guy}; 2780257ae3502cfad43df681b1783528d645bdabc63fRomain Guy 2781486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2782eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2783768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || canSkipText(paint)) { 2784486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2785eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2786eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2787671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 27883b753829ae858d424fe109f714745379a6daf455Romain Guy if (!currentTransform().isSimple()) { 2789486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2790671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2791671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2792671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2793671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 27943b753829ae858d424fe109f714745379a6daf455Romain Guy const bool pureTranslate = currentTransform().isPureTranslate(); 2795671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 27963b753829ae858d424fe109f714745379a6daf455Romain Guy x = (int) floorf(x + currentTransform().getTranslateX() + 0.5f); 27973b753829ae858d424fe109f714745379a6daf455Romain Guy y = (int) floorf(y + currentTransform().getTranslateY() + 0.5f); 2798671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2799671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2800b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2801c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 2802671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2803671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2804671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2805671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2806671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2807c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (CC_UNLIKELY(mDrawModifiers.mHasShadow)) { 2808e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 2809e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy alpha, mode, 0.0f, 0.0f); 2810416a847633680d94efb926837efdc18726d54918Raph Levien } 2811416a847633680d94efb926837efdc18726d54918Raph Levien 2812671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 28133b753829ae858d424fe109f714745379a6daf455Romain Guy bool linearFilter = currentTransform().changesBounds(); 2814671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2815671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2816671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2817257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(linearFilter); 2818671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2819671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2820671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2821671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2822211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2823671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2824257ae3502cfad43df681b1783528d645bdabc63fRomain Guy TextSetupFunctor functor(*this, x, y, pureTranslate, alpha, mode, paint); 2825671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2826257ae3502cfad43df681b1783528d645bdabc63fRomain Guy positions, hasActiveLayer ? &bounds : NULL, &functor)) { 2827671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2828671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 28293b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(bounds); 2830671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2831671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2832671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2833671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2834486590963e2207d68eebd6944fec70d50d41116aChet Haase 2835486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2836eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2837eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2838624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guymat4 OpenGLRenderer::findBestFontTransform(const mat4& transform) const { 2839624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy mat4 fontTransform; 2840624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (CC_LIKELY(transform.isPureTranslate())) { 2841624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy fontTransform = mat4::identity(); 2842624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } else { 2843624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (CC_UNLIKELY(transform.isPerspective())) { 2844b09f1471262c3e629daacbc319bcefc2d621a484Romain Guy fontTransform = mat4::identity(); 2845624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } else { 2846624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy float sx, sy; 2847624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy currentTransform().decomposeScale(sx, sy); 2848624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy fontTransform.loadScale(sx, sy, 1.0f); 2849624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } 2850624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy } 2851624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy return fontTransform; 2852624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy} 2853624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 285441541825bc90dac740e424cdd41a8c997e15cdb7Chris Craikstatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, float x, float y, 285541541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik const float* positions, SkPaint* paint, float totalAdvance, const Rect& bounds, 2856527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik DrawOpMode drawOpMode) { 2857527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2858527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (drawOpMode == kDrawOpMode_Immediate && 2859527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik (text == NULL || count == 0 || mSnapshot->isIgnored() || canSkipText(paint))) { 2860486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2861e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2862e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2863527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (drawOpMode == kDrawOpMode_Immediate) { 286441541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik if (quickReject(bounds)) return DrawGlInfo::kStatusDone; 2865527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } else { 2866527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // merged draw operations don't need scissor, but clip should still be valid 2867527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mCaches.setScissorEnabled(mScissorOptimizationDisabled); 2868cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2869cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 28703a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 28713a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 2872624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 2873624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const mat4& transform = currentTransform(); 2874624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const bool pureTranslate = transform.isPureTranslate(); 2875c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2876211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2877624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy x = (int) floorf(x + transform.getTranslateX() + 0.5f); 2878624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy y = (int) floorf(y + transform.getTranslateY() + 0.5f); 28796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 28806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 288186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 288286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 288386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 28849d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2885c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2886c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 2887c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (CC_UNLIKELY(mDrawModifiers.mHasShadow)) { 2888c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 2889c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 2890c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy alpha, mode, oldX, oldY); 28911e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 28921e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 289319d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy const bool hasActiveLayer = hasLayer(); 289419d4dd8599cb870923ab349d2ab96cacffd9c6f5Romain Guy 2895624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // We only pass a partial transform to the font renderer. That partial 2896624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix defines how glyphs are rasterized. Typically we want glyphs 2897624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // to be rasterized at their final size on screen, which means the partial 2898624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // matrix needs to take the scale factor into account. 2899624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // When a partial matrix is used to transform glyphs during rasterization, 2900624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated with the inverse transform (in the case of scale, 2901624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // the mesh is generated at 1.0 / scale for instance.) This allows us to 2902624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // apply the full transform matrix at draw time in the vertex shader. 2903624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // Applying the full matrix in the shader is the easiest way to handle 2904624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // rotation and perspective and allows us to always generated quads in the 2905624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // font renderer which greatly simplifies the code, clipping in particular. 2906624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy mat4 fontTransform = findBestFontTransform(transform); 29073b753829ae858d424fe109f714745379a6daf455Romain Guy fontRenderer.setFont(paint, fontTransform); 2908c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy 29096620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 2910a4adcf0239039eb8f005be252409901c41b28839Romain Guy bool linearFilter = !pureTranslate || fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2911257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(linearFilter); 291206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 2913624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy // TODO: Implement better clipping for scaled/rotated text 2914624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy const Rect* clip = !pureTranslate ? NULL : mSnapshot->clipRect; 291541541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik Rect layerBounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 29165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2917996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 2918257ae3502cfad43df681b1783528d645bdabc63fRomain Guy TextSetupFunctor functor(*this, x, y, pureTranslate, alpha, mode, paint); 2919527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 2920527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // don't call issuedrawcommand, do it at end of batch 2921527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik bool forceFinish = (drawOpMode != kDrawOpMode_Defer); 2922a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy if (CC_UNLIKELY(paint->getTextAlign() != SkPaint::kLeft_Align)) { 29238b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 29248b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 29258b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 292641541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik positions, hasActiveLayer ? &layerBounds : NULL, &functor, forceFinish); 2927996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 29288b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 292941541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik positions, hasActiveLayer ? &layerBounds : NULL, &functor, forceFinish); 2930996e57c84368058be793897ebc355b917a59abc2Raph Levien } 29314ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 2932527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if ((status || drawOpMode != kDrawOpMode_Immediate) && hasActiveLayer) { 2933624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy if (!pureTranslate) { 293441541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik transform.mapRect(layerBounds); 2935a4adcf0239039eb8f005be252409901c41b28839Romain Guy } 293641541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik dirtyLayerUnchecked(layerBounds, getRegion()); 29375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2938694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 293941541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik drawTextDecorations(text, bytesCount, totalAdvance, oldX, oldY, paint); 2940486590963e2207d68eebd6944fec70d50d41116aChet Haase 2941486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2942694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2943694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2944486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 2945325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 2946768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || canSkipText(paint)) { 2947486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 294803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 294903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 2950b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2951c74f45a334f0e3725c23cdd270cbcb0efac4ea75Romain Guy fontRenderer.setFont(paint, mat4::identity()); 2952257ae3502cfad43df681b1783528d645bdabc63fRomain Guy fontRenderer.setTextureFiltering(true); 295303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 295403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 295503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 295603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 295703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 295803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDraw(); 29594121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 296003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawDirtyRegionsDisabled(); 296103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawWithTexture(true); 296203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 296303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilter(); 296403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawShader(); 296503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawBlending(true, mode); 296603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawProgram(); 29679777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawModelView(0.0f, 0.0f, 0.0f, 0.0f, false, true); 2968257ae3502cfad43df681b1783528d645bdabc63fRomain Guy // Calling setupDrawTexture with the name 0 will enable the 2969257ae3502cfad43df681b1783528d645bdabc63fRomain Guy // uv attributes and increase the texture unit count 2970257ae3502cfad43df681b1783528d645bdabc63fRomain Guy // texture binding will be performed by the font renderer as 2971257ae3502cfad43df681b1783528d645bdabc63fRomain Guy // needed 2972257ae3502cfad43df681b1783528d645bdabc63fRomain Guy setupDrawTexture(0); 297303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawPureColorUniforms(); 297403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilterUniforms(); 29759777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawShaderUniforms(false); 29764121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 29779777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 29789777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 29799777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 298003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 29819777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 29829777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 29839777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 29849777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy hOffset, vOffset, hasActiveLayer ? &bounds : NULL)) { 29859777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 29863b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().mapRect(bounds); 29879777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 29889777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 29899777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2990486590963e2207d68eebd6944fec70d50d41116aChet Haase 2991486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2992325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2993325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2994486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2995486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2996dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2997a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 29987fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2999fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 3000486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 300122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 30027fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 30038b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 30048b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 30058b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 300601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 3007486590963e2207d68eebd6944fec70d50d41116aChet Haase 3008486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 30097fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 30107fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 3011a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craikstatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y) { 301235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (!layer) { 3013486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 30146c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 30156c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 3016b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy mat4* transform = NULL; 3017b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (layer->isTextureLayer()) { 3018b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy transform = &layer->getTransform(); 3019b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (!transform->isIdentity()) { 3020b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy save(0); 30213b753829ae858d424fe109f714745379a6daf455Romain Guy currentTransform().multiply(*transform); 3022b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 3023b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 3024b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 302535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect transformed; 302635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect clip; 302735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy const bool rejected = quickRejectNoScissor(x, y, 302835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight(), transformed, clip); 30294ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 303035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (rejected) { 3031b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 3032b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 3033b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 303435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return DrawGlInfo::kStatusDone; 303535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 303635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 30375bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy updateLayer(layer, true); 30382bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 303987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.setScissorEnabled(mScissorOptimizationDisabled || !clip.contains(transformed)); 3040a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 30416c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 3042211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 3043c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik SkiaColorFilter* oldFilter = mDrawModifiers.mColorFilter; 3044c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = layer->getColorFilter(); 3045e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy 3046c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 304734416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL_IF(!layer->hasDrawnSinceUpdate, 304834416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik composeLayerRect(layer, layer->regionRect)); 3049c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 305016ecda5317c40fc3da284952d9b3add34d6763aeChris Craik const float a = getLayerAlpha(layer); 3051c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 3052c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 30538168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 3054c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 30559ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 3056c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 3057c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 3058c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 30599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 30603b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().isPureTranslate())) { 30613b753829ae858d424fe109f714745379a6daf455Romain Guy int tx = (int) floorf(x + currentTransform().getTranslateX() + 0.5f); 30623b753829ae858d424fe109f714745379a6daf455Romain Guy int ty = (int) floorf(y + currentTransform().getTranslateY() + 0.5f); 30639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 3064d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 30654ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy setupDrawModelViewTranslate(tx, ty, 30664ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 30679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 3068d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 30699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 30709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 30719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 3072c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 3073c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 307434416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik DRAW_DOUBLE_STENCIL_IF(!layer->hasDrawnSinceUpdate, 307534416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik glDrawElements(GL_TRIANGLES, layer->meshElementCount, 307634416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik GL_UNSIGNED_SHORT, layer->meshIndices)); 3077c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 3078c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 30793a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 30803a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 30813a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 30823a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 3083c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 30844ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 3085c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = oldFilter; 3086e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy 30875bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy if (layer->debugDrawUpdate) { 30885bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = false; 30894ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), 30904ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 0x7f00ff00, SkXfermode::kSrcOver_Mode); 30914ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 3092f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 309334416eaa1c07b3d7a139e780cea8f8d73219650eChris Craik layer->hasDrawnSinceUpdate = true; 3094486590963e2207d68eebd6944fec70d50d41116aChet Haase 3095b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 3096b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 3097b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 3098b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 3099486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 31006c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 31016c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 31026926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 3103d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 3104d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 3105d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 3106d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 3107c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader = NULL; 310806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 310906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 311006f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 3111c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShader = shader; 3112c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 31138aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy mDrawModifiers.mShader->setCaches(mCaches); 311406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 31157fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 31167fac2e18339f765320d759e8d4c090f92431959eRomain Guy 3117d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 3118db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 3119db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 3120db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 3121db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 3122c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = NULL; 3123db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 3124db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 3125db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 3126c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mColorFilter = filter; 3127db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 3128db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 3129db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 31301e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 31311e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 31321e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 31331e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 3134c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasShadow = false; 31351e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 31361e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 31371e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 3138c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasShadow = true; 3139c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowRadius = radius; 3140c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowDx = dx; 3141c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowDy = dy; 3142c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mShadowColor = color; 31431e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 31441e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 31451e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 31465ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 31475ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 31485ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 31495ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 3150527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // when clearing the PaintFilter, the masks should also be cleared for simple DrawModifier 3151527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // comparison, see MergingDrawBatch::canMergeWith 3152c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = false; 3153527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mDrawModifiers.mPaintFilterClearBits = 0; 3154527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mDrawModifiers.mPaintFilterSetBits = 0; 31555ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 31565ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 31575ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 3158c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mHasDrawFilter = true; 3159c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 3160c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 31615ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 31625ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 3163a08f95cfeca7217f9c533b03663bf0dceedd259aChris CraikSkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 3164758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy if (CC_LIKELY(!mDrawModifiers.mHasDrawFilter || !paint)) { 3165758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy return paint; 3166758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy } 31675ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 31685ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 31695ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 31705ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 3171c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mFilteredPaint.setFlags((flags & ~mDrawModifiers.mPaintFilterClearBits) | 3172c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mDrawModifiers.mPaintFilterSetBits); 31735ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 31745ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 31755ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 31765ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 31775ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 31786926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 31796926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 31806926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 31813b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain GuyTexture* OpenGLRenderer::getTexture(SkBitmap* bitmap) { 31823b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* texture = mCaches.assetAtlas.getEntryTexture(bitmap); 31833b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!texture) { 31843b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return mCaches.textureCache.get(bitmap); 31853b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 31863b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return texture; 31873b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 31883b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 318901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 319001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 319101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 319201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 319301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 319401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 319501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 319601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 319701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 319801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 319901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 320001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 320101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 320201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 320301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 320401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 320501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 320601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 320701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 320801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 320901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 321001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 321101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 321201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 321301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 321401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 321501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 321601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 321701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 3218f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 32190a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 32200a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 32210a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 32220a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 322341541825bc90dac740e424cdd41a8c997e15cdb7Chris Craikvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float underlineWidth, 32240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 32250a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 32260a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 32270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 3228726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 32290a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3230211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 3231726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 3232f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 32330a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 32348b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 32350a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 3236e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3237f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 3238f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 3239f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 3240f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 3241f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 3242e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 3243e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 32440a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 32450a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 32460a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 3247e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3248e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3249e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3250e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 32510a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 32520a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 32530a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 32540a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 3255e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3256e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3257e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3258e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 32590a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 3260e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3261726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 3262e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3263726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 32640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 32650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 32660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 32670a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3268672433d90fab7383cd28beac9d4485b566a90940Romain Guystatus_t OpenGLRenderer::drawRects(const float* rects, int count, SkPaint* paint) { 3269672433d90fab7383cd28beac9d4485b566a90940Romain Guy if (mSnapshot->isIgnored()) { 3270672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDone; 3271672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3272672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3273735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy int color = paint->getColor(); 3274735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy // If a shader is set, preserve only the alpha 3275c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 3276735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy color |= 0x00ffffff; 3277735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy } 3278735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy SkXfermode::Mode mode = getXfermode(paint->getXfermode()); 3279735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3280735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy return drawColorRects(rects, count, color, mode); 3281735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 3282735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3283735738c4ddf3229caa5f6e634bf591953ac29944Romain Guystatus_t OpenGLRenderer::drawColorRects(const float* rects, int count, int color, 32843bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy SkXfermode::Mode mode, bool ignoreTransform, bool dirty, bool clip) { 32853b753829ae858d424fe109f714745379a6daf455Romain Guy if (count == 0) { 32863b753829ae858d424fe109f714745379a6daf455Romain Guy return DrawGlInfo::kStatusDone; 32873b753829ae858d424fe109f714745379a6daf455Romain Guy } 3288735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3289672433d90fab7383cd28beac9d4485b566a90940Romain Guy float left = FLT_MAX; 3290672433d90fab7383cd28beac9d4485b566a90940Romain Guy float top = FLT_MAX; 3291672433d90fab7383cd28beac9d4485b566a90940Romain Guy float right = FLT_MIN; 3292672433d90fab7383cd28beac9d4485b566a90940Romain Guy float bottom = FLT_MIN; 3293672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3294672433d90fab7383cd28beac9d4485b566a90940Romain Guy int vertexCount = 0; 3295672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex mesh[count * 6]; 3296672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex* vertex = mesh; 3297672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32982af4635e4a9e448a65ff541252f8f94bc6ac48e0Chris Craik for (int index = 0; index < count; index += 4) { 3299672433d90fab7383cd28beac9d4485b566a90940Romain Guy float l = rects[index + 0]; 3300672433d90fab7383cd28beac9d4485b566a90940Romain Guy float t = rects[index + 1]; 3301672433d90fab7383cd28beac9d4485b566a90940Romain Guy float r = rects[index + 2]; 3302672433d90fab7383cd28beac9d4485b566a90940Romain Guy float b = rects[index + 3]; 3303672433d90fab7383cd28beac9d4485b566a90940Romain Guy 33043b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, b); 33053b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, t); 33063b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, t); 33073b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, l, b); 33083b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, t); 33093b753829ae858d424fe109f714745379a6daf455Romain Guy Vertex::set(vertex++, r, b); 3310672433d90fab7383cd28beac9d4485b566a90940Romain Guy 33113b753829ae858d424fe109f714745379a6daf455Romain Guy vertexCount += 6; 3312672433d90fab7383cd28beac9d4485b566a90940Romain Guy 33133b753829ae858d424fe109f714745379a6daf455Romain Guy left = fminf(left, l); 33143b753829ae858d424fe109f714745379a6daf455Romain Guy top = fminf(top, t); 33153b753829ae858d424fe109f714745379a6daf455Romain Guy right = fmaxf(right, r); 33163b753829ae858d424fe109f714745379a6daf455Romain Guy bottom = fmaxf(bottom, b); 3317672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3318672433d90fab7383cd28beac9d4485b566a90940Romain Guy 33193b753829ae858d424fe109f714745379a6daf455Romain Guy if (clip && quickReject(left, top, right, bottom)) { 3320a362c69d6cdf448107e5a539f77df73937141870Romain Guy return DrawGlInfo::kStatusDone; 3321a362c69d6cdf448107e5a539f77df73937141870Romain Guy } 3322672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3323672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDraw(); 3324672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawNoTexture(); 3325672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 3326672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawShader(); 3327672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorFilter(); 3328672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawBlending(mode); 3329672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawProgram(); 3330672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawDirtyRegionsDisabled(); 3331735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy setupDrawModelView(0.0f, 0.0f, 1.0f, 1.0f, ignoreTransform, true); 3332672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorUniforms(); 3333672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawShaderUniforms(); 3334672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorFilterUniforms(); 3335672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawVertices((GLvoid*) &mesh[0].position[0]); 3336672433d90fab7383cd28beac9d4485b566a90940Romain Guy 33378ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (dirty && hasLayer()) { 33383b753829ae858d424fe109f714745379a6daf455Romain Guy dirtyLayer(left, top, right, bottom, currentTransform()); 3339672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3340672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3341672433d90fab7383cd28beac9d4485b566a90940Romain Guy glDrawArrays(GL_TRIANGLES, 0, vertexCount); 3342672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3343672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDrew; 3344672433d90fab7383cd28beac9d4485b566a90940Romain Guy} 3345672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3346026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 33471c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 3348d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 3349c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik if (mDrawModifiers.mShader) { 3350d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 3351d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 3352d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 335370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 335415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 33559c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 335670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 335770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 335870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 335970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 336070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 336170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 336270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 336370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 336470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 3365c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 3366c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 3367c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 3368c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 336982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 33708164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 337182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 337282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 337382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 337482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 3375d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 33768164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 33773b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices = (GLvoid*) NULL; 33783b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* texCoords = (GLvoid*) gMeshTextureOffset; 33793b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33803b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (texture->uvMapper) { 33813b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy vertices = &mMeshVertices[0].position[0]; 33823b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texCoords = &mMeshVertices[0].texture[0]; 33833b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33843b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Rect uvs(0.0f, 0.0f, 1.0f, 1.0f); 33853b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture->uvMapper->map(uvs); 33863b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33873b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy resetDrawTextureTexCoords(uvs.left, uvs.top, uvs.right, uvs.bottom); 33883b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 33893b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 33903b753829ae858d424fe109f714745379a6daf455Romain Guy if (CC_LIKELY(currentTransform().isPureTranslate())) { 33913b753829ae858d424fe109f714745379a6daf455Romain Guy const float x = (int) floorf(left + currentTransform().getTranslateX() + 0.5f); 33923b753829ae858d424fe109f714745379a6daf455Romain Guy const float y = (int) floorf(top + currentTransform().getTranslateY() + 0.5f); 33936620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 3394d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 33956620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 33963b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy alpha / 255.0f, mode, texture->blend, vertices, texCoords, 33973b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 33986620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 3399d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 34006620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 34013b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy texture->blend, vertices, texCoords, GL_TRIANGLE_STRIP, gMeshCount); 34023b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 34033b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 34043b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (texture->uvMapper) { 34053b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 34066620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 340785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 340885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3409bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 3410a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 3411a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 341203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 3413f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 3414f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 3415f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 3416a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 34176820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 34185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 34198694230ff25fa0a60e480d424843e56b718f0516Romain Guy 342070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 342170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 342270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 342370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 342470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 342570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 3426886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 34275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 342870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 342903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 343070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 3431db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 3432886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 343386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 343470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 343570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 3436db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 34376820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 343870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 343970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 344082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 344182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 34423b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guyvoid OpenGLRenderer::drawIndexedTextureMesh(float left, float top, float right, float bottom, 34433b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 34443b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 34453b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 34463b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 34473b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDraw(); 34483b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawWithTexture(); 34493b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 34503b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawColorFilter(); 34513b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 34523b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawProgram(); 34533b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 34543b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!ignoreScale) { 34553b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 34563b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } else { 34573b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 34583b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 34593b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawTexture(texture); 34603b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawPureColorUniforms(); 34613b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawColorFilterUniforms(); 34623b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy setupDrawMeshIndices(vertices, texCoords, vbo); 34633b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 34643b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy glDrawElements(drawMode, elementsCount, GL_UNSIGNED_SHORT, NULL); 34653b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 34663b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy finishDrawTexture(); 34673b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 34683b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 3469886b275e529e44a59c54b933453d9bc902973178Romain Guyvoid OpenGLRenderer::drawAlpha8TextureMesh(float left, float top, float right, float bottom, 3470886b275e529e44a59c54b933453d9bc902973178Romain Guy GLuint texture, bool hasColor, int color, int alpha, SkXfermode::Mode mode, 3471886b275e529e44a59c54b933453d9bc902973178Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 3472527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik bool ignoreTransform, bool ignoreScale, bool dirty) { 3473886b275e529e44a59c54b933453d9bc902973178Romain Guy 3474886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDraw(); 3475886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawWithTexture(true); 3476886b275e529e44a59c54b933453d9bc902973178Romain Guy if (hasColor) { 3477886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawAlpha8Color(color, alpha); 3478886b275e529e44a59c54b933453d9bc902973178Romain Guy } 3479886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawColorFilter(); 3480886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawShader(); 3481886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawBlending(true, mode); 3482886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawProgram(); 3483886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 3484527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (!ignoreScale) { 3485527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik setupDrawModelView(left, top, right, bottom, ignoreTransform); 3486527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } else { 3487527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 3488527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 3489886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 3490886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawPureColorUniforms(); 3491886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawColorFilterUniforms(); 3492886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawShaderUniforms(); 3493886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawMesh(vertices, texCoords); 3494886b275e529e44a59c54b933453d9bc902973178Romain Guy 3495886b275e529e44a59c54b933453d9bc902973178Romain Guy glDrawArrays(drawMode, 0, elementsCount); 3496886b275e529e44a59c54b933453d9bc902973178Romain Guy 3497886b275e529e44a59c54b933453d9bc902973178Romain Guy finishDrawTexture(); 3498886b275e529e44a59c54b933453d9bc902973178Romain Guy} 3499886b275e529e44a59c54b933453d9bc902973178Romain Guy 3500a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 3501f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 350278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCountOverdraw) { 350378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (!mCaches.blend) glEnable(GL_BLEND); 350478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy if (mCaches.lastSrcMode != GL_ONE || mCaches.lastDstMode != GL_ONE) { 350578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy glBlendFunc(GL_ONE, GL_ONE); 350678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 350778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 350878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.blend = true; 350978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.lastSrcMode = GL_ONE; 351078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCaches.lastDstMode = GL_ONE; 351178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 351278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy return; 351378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 351478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 351582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 3516c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 351782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 351882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 351982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 352082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 352182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 352282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 352333fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4Romain Guy if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { 35243bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy if (CC_UNLIKELY(mExtensions.hasFramebufferFetch())) { 3525a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 3526f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 3527a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 352882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 352982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 353082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 353182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 353282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 353382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 353482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 353582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 3536a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 353782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 353882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 353982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 354082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 354182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 354282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 354382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 354482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 354582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 354682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 354782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 354882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 354982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 355082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3551fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 355282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 355382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3554fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 3555bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 3556bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3557889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 3558d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 3559fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 3560d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 3561fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 35626926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 3563260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 35646926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 3565260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 3566260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 3567026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 3568ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 356982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 357082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 357182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 357282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 35738ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 35748ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 357516ecda5317c40fc3da284952d9b3add34d6763aeChris Craikvoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) const { 3576be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 357716ecda5317c40fc3da284952d9b3add34d6763aeChris Craik if (mDrawModifiers.mOverrideLayerAlpha < 1.0f) { 357816ecda5317c40fc3da284952d9b3add34d6763aeChris Craik // if drawing a layer, ignore the paint's alpha 357987b515cde53f3c8cc3fdf698c100e67508487e59Romain Guy *alpha = mDrawModifiers.mOverrideLayerAlpha * 255; 358016ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } 3581db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase *alpha *= mSnapshot->alpha; 3582026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 3583026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 358416ecda5317c40fc3da284952d9b3add34d6763aeChris Craikfloat OpenGLRenderer::getLayerAlpha(Layer* layer) const { 358516ecda5317c40fc3da284952d9b3add34d6763aeChris Craik float alpha; 358616ecda5317c40fc3da284952d9b3add34d6763aeChris Craik if (mDrawModifiers.mOverrideLayerAlpha < 1.0f) { 358716ecda5317c40fc3da284952d9b3add34d6763aeChris Craik alpha = mDrawModifiers.mOverrideLayerAlpha; 358816ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } else { 358916ecda5317c40fc3da284952d9b3add34d6763aeChris Craik alpha = layer->getAlpha() / 255.0f; 359016ecda5317c40fc3da284952d9b3add34d6763aeChris Craik } 359116ecda5317c40fc3da284952d9b3add34d6763aeChris Craik return alpha * mSnapshot->alpha; 359216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik} 359316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik 35949d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 3595e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 3596