OpenGLRenderer.h revision 59744b79ec302000802cd56d30a1bf70f0183c80
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 175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#ifndef ANDROID_HWUI_OPENGL_RENDERER_H 185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#define ANDROID_HWUI_OPENGL_RENDERER_H 199d5316e3f56d138504565ff311145ac01621dff4Romain Guy 209d5316e3f56d138504565ff311145ac01621dff4Romain Guy#include <GLES2/gl2.h> 219d5316e3f56d138504565ff311145ac01621dff4Romain Guy#include <GLES2/gl2ext.h> 2285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 23ce0537b80087a6225273040a987414b1dd081aa0Romain Guy#include <SkBitmap.h> 2476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger#include <SkCanvas.h> 2576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger#include <SkColorFilter.h> 26f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy#include <SkMatrix.h> 27ce0537b80087a6225273040a987414b1dd081aa0Romain Guy#include <SkPaint.h> 28079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy#include <SkRegion.h> 2985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include <SkXfermode.h> 30e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 31c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger#include <utils/Blur.h> 32daf98e941e140e8739458126640183b9f296a2abChet Haase#include <utils/Functor.h> 33bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy#include <utils/RefBase.h> 34ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy#include <utils/SortedVector.h> 358694230ff25fa0a60e480d424843e56b718f0516Romain Guy#include <utils/Vector.h> 36bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 377953745dd565167113f8cbfc461bc0521d32d870Romain Guy#include <cutils/compiler.h> 387953745dd565167113f8cbfc461bc0521d32d870Romain Guy 393b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include <androidfw/ResourceTypes.h> 403b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 41c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#include "Debug.h" 4251769a68a5cb34e9564740c6a854fcb93018789dRomain Guy#include "Extensions.h" 43f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy#include "Matrix.h" 445cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include "Program.h" 45bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy#include "Rect.h" 46b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craik#include "Renderer.h" 47b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craik#include "Snapshot.h" 48d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III#include "StatefulBaseRenderer.h" 493b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include "UvMapper.h" 50b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craik#include "Vertex.h" 51fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy#include "Caches.h" 5252244fff29042926e21fa897ef5ab11148e35299John Reck#include "CanvasProperty.h" 53bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 54d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIclass SkShader; 55d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 56e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 579d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 58e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 59b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craikclass DeferredDisplayState; 603b20251a355c88193c439f928a84ae69483fb488John Reckclass RenderState; 61e18264b079481a244b30e3f71012c53bbd861f92John Reckclass RenderNode; 62b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craikclass TextSetupFunctor; 63b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craikclass VertexBuffer; 64b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craik 65c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craikstruct DrawModifiers { 669b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy DrawModifiers() { 679b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy reset(); 689b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy } 699b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy 709b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy void reset() { 719b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy memset(this, 0, sizeof(DrawModifiers)); 729b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy } 739b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy 7416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik float mOverrideLayerAlpha; 75c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 76c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik // Draw filters 77c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik bool mHasDrawFilter; 78c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik int mPaintFilterClearBits; 79c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik int mPaintFilterSetBits; 80c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik}; 81c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 82ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikenum StateDeferFlags { 83ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik kStateDeferFlag_Draw = 0x1, 84ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik kStateDeferFlag_Clip = 0x2 85ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik}; 86ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 8728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craikenum ClipSideFlags { 88a02c4ed885d97e516f844ddb0a96083f1b45b4cbChris Craik kClipSide_None = 0x0, 8928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik kClipSide_Left = 0x1, 9028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik kClipSide_Top = 0x2, 9128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik kClipSide_Right = 0x4, 9228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik kClipSide_Bottom = 0x8, 93d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik kClipSide_Full = 0xF, 94d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik kClipSide_ConservativeFull = 0x1F 9528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik}; 9628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik 974063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik/** 984063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * Defines additional transformation that should be applied by the model view matrix, beyond that of 994063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * the currentTransform() 1004063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik */ 1014063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craikenum ModelViewMode { 1024063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik /** 1034063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * Used when the model view should simply translate geometry passed to the shader. The resulting 1044063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * matrix will be a simple translation. 1054063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik */ 1064063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik kModelViewMode_Translate = 0, 1074063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 1084063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik /** 1094063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * Used when the model view should translate and scale geometry. The resulting matrix will be a 1104063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * translation + scale. This is frequently used together with VBO 0, the (0,0,1,1) rect. 1114063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik */ 1124063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik kModelViewMode_TranslateAndScale = 1, 1134063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik}; 1144063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 115f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 116f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Renderer 117f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1185cbbce535744b89df5ecea95de21ee3733298260Romain Guy/** 11914e513058ed4168c94e015638d16f5f87fd8063aChris Craik * OpenGL Renderer implementation. 1205cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 12114e513058ed4168c94e015638d16f5f87fd8063aChris Craikclass OpenGLRenderer : public StatefulBaseRenderer { 122e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guypublic: 1233b20251a355c88193c439f928a84ae69483fb488John Reck OpenGLRenderer(RenderState& renderState); 124e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual ~OpenGLRenderer(); 125e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1263b20251a355c88193c439f928a84ae69483fb488John Reck void initProperties(); 12787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 128797b95b26bbb7557678af78b9a2a61830158920fChris Craik virtual void onViewportInitialized(); 1297c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy virtual status_t prepareDirty(float left, float top, float right, float bottom, bool opaque); 13017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy virtual void finish(); 131c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy 1323b20251a355c88193c439f928a84ae69483fb488John Reck void setCountOverdrawEnabled(bool enabled) { 13378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCountOverdraw = enabled; 13478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 13578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 1363b20251a355c88193c439f928a84ae69483fb488John Reck float getOverdraw() { 13778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy return mCountOverdraw ? mOverdraw : 0.0f; 13878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 13978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 1408f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy virtual status_t callDrawGLFunction(Functor* functor, Rect& dirty); 14108ae317c21ec3086b5017672bba87420cc38a407Romain Guy 1423b20251a355c88193c439f928a84ae69483fb488John Reck void pushLayerUpdate(Layer* layer); 1433b20251a355c88193c439f928a84ae69483fb488John Reck void cancelLayerUpdate(Layer* layer); 1443b20251a355c88193c439f928a84ae69483fb488John Reck void clearLayerUpdates(); 1453b20251a355c88193c439f928a84ae69483fb488John Reck void flushLayerUpdates(); 14611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 1473b20251a355c88193c439f928a84ae69483fb488John Reck virtual int saveLayer(float left, float top, float right, float bottom, 1483f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPaint* paint, int flags) { 1493f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik return saveLayer(left, top, right, bottom, paint, flags, NULL); 1503f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 1513f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 1523f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // Specialized saveLayer implementation, which will pass the convexMask to an FBO layer, if 1533f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // created, which will in turn clip to that mask when drawn back/restored. 1543f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik int saveLayer(float left, float top, float right, float bottom, 1553f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPaint* paint, int flags, const SkPath* convexMask); 156bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 157d90144db52c7297879b950cbbc85137ed123ab5bChris Craik int saveLayerDeferred(float left, float top, float right, float bottom, 158d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger const SkPaint* paint, int flags); 159d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 160a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik virtual status_t drawRenderNode(RenderNode* displayList, Rect& dirty, int32_t replayFlags = 1); 161a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craik virtual status_t drawLayer(Layer* layer, float x, float y); 162d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawBitmap(const SkBitmap* bitmap, float left, float top, 163d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint); 164d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik status_t drawBitmaps(const SkBitmap* bitmap, AssetAtlas::Entry* entry, int bitmapCount, 165d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik TextureVertex* vertices, bool pureTranslate, const Rect& bounds, const SkPaint* paint); 166139088228faa7f3c446af7387e017933998a5570Derek Sollenberger virtual status_t drawBitmap(const SkBitmap* bitmap, const SkMatrix& matrix, 167d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint); 168d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawBitmap(const SkBitmap* bitmap, float srcLeft, float srcTop, 169e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy float srcRight, float srcBottom, float dstLeft, float dstTop, 170d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float dstRight, float dstBottom, const SkPaint* paint); 171d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawBitmapData(const SkBitmap* bitmap, float left, float top, 172d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint); 173d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawBitmapMesh(const SkBitmap* bitmap, int meshWidth, int meshHeight, 174d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* vertices, const int* colors, const SkPaint* paint); 175d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik status_t drawPatches(const SkBitmap* bitmap, AssetAtlas::Entry* entry, 176d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik TextureVertex* vertices, uint32_t indexCount, const SkPaint* paint); 177d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawPatch(const SkBitmap* bitmap, const Res_png_9patch* patch, 178d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float left, float top, float right, float bottom, const SkPaint* paint); 179d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik status_t drawPatch(const SkBitmap* bitmap, const Patch* mesh, AssetAtlas::Entry* entry, 180d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float left, float top, float right, float bottom, const SkPaint* paint); 181486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawColor(int color, SkXfermode::Mode mode); 182d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawRect(float left, float top, float right, float bottom, 183d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint); 184486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawRoundRect(float left, float top, float right, float bottom, 185d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float rx, float ry, const SkPaint* paint); 186d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawCircle(float x, float y, float radius, const SkPaint* paint); 187d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawOval(float left, float top, float right, float bottom, 188d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint); 189486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawArc(float left, float top, float right, float bottom, 190d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float startAngle, float sweepAngle, bool useCenter, const SkPaint* paint); 191d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawPath(const SkPath* path, const SkPaint* paint); 192d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawLines(const float* points, int count, const SkPaint* paint); 193d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawPoints(const float* points, int count, const SkPaint* paint); 194d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawTextOnPath(const char* text, int bytesCount, int count, const SkPath* path, 195d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float hOffset, float vOffset, const SkPaint* paint); 196486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawPosText(const char* text, int bytesCount, int count, 197d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* positions, const SkPaint* paint); 198c25259519f1b74bb62a2b051b74537f073436b5cRomain Guy virtual status_t drawText(const char* text, int bytesCount, int count, float x, float y, 199d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* positions, const SkPaint* paint, float totalAdvance, const Rect& bounds, 200527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik DrawOpMode drawOpMode = kDrawOpMode_Immediate); 201d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawRects(const float* rects, int count, const SkPaint* paint); 20285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 20305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik status_t drawShadow(float casterAlpha, 20405f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const VertexBuffer* ambientShadowVertexBuffer, const VertexBuffer* spotShadowVertexBuffer); 205f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 2065ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy virtual void resetPaintFilter(); 2075ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy virtual void setupPaintFilter(int clearBits, int setBits); 2085ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 20916ecda5317c40fc3da284952d9b3add34d6763aeChris Craik // If this value is set to < 1.0, it overrides alpha set on layer (see drawBitmap, drawLayer) 21016ecda5317c40fc3da284952d9b3add34d6763aeChris Craik void setOverrideLayerAlpha(float alpha) { mDrawModifiers.mOverrideLayerAlpha = alpha; } 21116ecda5317c40fc3da284952d9b3add34d6763aeChris Craik 212d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* filterPaint(const SkPaint* paint); 2135ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 2145e49b307eb99269db2db257760508b8efd7bb97dChris Craik /** 2155e49b307eb99269db2db257760508b8efd7bb97dChris Craik * Store the current display state (most importantly, the current clip and transform), and 2165e49b307eb99269db2db257760508b8efd7bb97dChris Craik * additionally map the state's bounds from local to window coordinates. 2175e49b307eb99269db2db257760508b8efd7bb97dChris Craik * 2185e49b307eb99269db2db257760508b8efd7bb97dChris Craik * Returns true if quick-rejected 2195e49b307eb99269db2db257760508b8efd7bb97dChris Craik */ 220ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik bool storeDisplayState(DeferredDisplayState& state, int stateDeferFlags); 221527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik void restoreDisplayState(const DeferredDisplayState& state, bool skipClipRestore = false); 22228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik void setupMergedMultiDraw(const Rect* clipRect); 223c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 224d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const DrawModifiers& getDrawModifiers() { return mDrawModifiers; } 225d90144db52c7297879b950cbbc85137ed123ab5bChris Craik void setDrawModifiers(const DrawModifiers& drawModifiers) { mDrawModifiers = drawModifiers; } 226d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 2273b20251a355c88193c439f928a84ae69483fb488John Reck bool isCurrentTransformSimple() { 228d6b65f67717025b1162f86f04e2caa5723566cacChris Craik return currentTransform()->isSimple(); 229672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 230672433d90fab7383cd28beac9d4485b566a90940Romain Guy 2310f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy Caches& getCaches() { 2320f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy return mCaches; 2330f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy } 2340f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy 235ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // simple rect clip 236ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik bool isCurrentClipSimple() { 237ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return mSnapshot->clipRegion->isEmpty(); 238ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 239ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 240a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik int getViewportWidth() { return currentSnapshot()->getViewportWidth(); } 241a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik int getViewportHeight() { return currentSnapshot()->getViewportHeight(); } 2420e87f00f8cb79635aa70b9a2dfa02bf19dc7473dChris Craik 24317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 244a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craik * Scales the alpha on the current snapshot. This alpha value will be modulated 24517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * with other alpha values when drawing primitives. 24617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 247a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craik void scaleAlpha(float alpha) { 248a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craik mSnapshot->alpha *= alpha; 24917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy } 25017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 25117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 2520f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy * Inserts a named event marker in the stream of GL commands. 2530f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy */ 2540f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy void eventMark(const char* name) const; 2550f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy 2560f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy /** 25717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Inserts a named group marker in the stream of GL commands. This marker 25817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * can be used by tools to group commands into logical groups. A call to 25917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * this method must always be followed later on by a call to endMark(). 26017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 26113631f3da855f200a151e7837ed9f6b079622b58Romain Guy void startMark(const char* name) const; 26217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 26317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 26417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Closes the last group marker opened by startMark(). 26517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 26613631f3da855f200a151e7837ed9f6b079622b58Romain Guy void endMark() const; 26713631f3da855f200a151e7837ed9f6b079622b58Romain Guy 268d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase /** 269d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * Gets the alpha and xfermode out of a paint object. If the paint is null 270d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * alpha will be 255 and the xfermode will be SRC_OVER. This method does 27116ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * not multiply the paint's alpha by the current snapshot's alpha, and does 27216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * not replace the alpha with the overrideLayerAlpha 273d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * 274d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * @param paint The paint to extract values from 275d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * @param alpha Where to store the resulting alpha 276d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * @param mode Where to store the resulting xfermode 277d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase */ 278d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik static inline void getAlphaAndModeDirect(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 279527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik *mode = getXfermodeDirect(paint); 280527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik *alpha = getAlphaDirect(paint); 281527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 282527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 283d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik static inline SkXfermode::Mode getXfermodeDirect(const SkPaint* paint) { 284527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (!paint) return SkXfermode::kSrcOver_Mode; 285527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik return getXfermode(paint->getXfermode()); 286527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 287527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 288c1c5f0870282b56dafe5a4d756e4b9e6884655a7Chris Craik static inline int getAlphaDirect(const SkPaint* paint) { 289527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (!paint) return 255; 290527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik return paint->getAlpha(); 291d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase } 292d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase 293c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger struct TextShadow { 294c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger SkScalar radius; 295c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger float dx; 296c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger float dy; 297c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger SkColor color; 298c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger }; 299c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger 300c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger static inline bool getTextShadow(const SkPaint* paint, TextShadow* textShadow) { 301c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger SkDrawLooper::BlurShadowRec blur; 302c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (paint && paint->getLooper() && paint->getLooper()->asABlurShadow(&blur)) { 303c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (textShadow) { 304c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger textShadow->radius = Blur::convertSigmaToRadius(blur.fSigma); 305c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger textShadow->dx = blur.fOffset.fX; 306c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger textShadow->dy = blur.fOffset.fY; 307c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger textShadow->color = blur.fColor; 308c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger } 309c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger return true; 310c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger } 311c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger return false; 312c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger } 313c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger 314c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger static inline bool hasTextShadow(const SkPaint* paint) { 315c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger return getTextShadow(paint, NULL); 316c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger } 317c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger 318624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy /** 31959744b79ec302000802cd56d30a1bf70f0183c80Chris Craik * Build the best transform to use to rasterize text given a full 32059744b79ec302000802cd56d30a1bf70f0183c80Chris Craik * transform matrix, and whether filteration is needed. 32159744b79ec302000802cd56d30a1bf70f0183c80Chris Craik * 32259744b79ec302000802cd56d30a1bf70f0183c80Chris Craik * Returns whether filtration is needed 323624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy */ 32459744b79ec302000802cd56d30a1bf70f0183c80Chris Craik bool findBestFontTransform(const mat4& transform, SkMatrix* outMatrix) const; 325624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 326527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik#if DEBUG_MERGE_BEHAVIOR 327527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik void drawScreenSpaceColorRect(float left, float top, float right, float bottom, int color) { 328527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mCaches.setScissorEnabled(false); 329527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 330527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // should only be called outside of other draw ops, so stencil can only be in test state 331527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik bool stencilWasEnabled = mCaches.stencil.isTestEnabled(); 332527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mCaches.stencil.disable(); 333527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 334527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawColorRect(left, top, right, bottom, color, SkXfermode::kSrcOver_Mode, true); 335527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 336527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (stencilWasEnabled) mCaches.stencil.enableTest(); 337527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 338527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik#endif 339527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 34005f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const Vector3& getLightCenter() const { return mLightCenter; } 34105f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik float getLightRadius() const { return mLightRadius; } 34205f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik 343e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guyprotected: 344e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy /** 34596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy * Perform the setup specific to a frame. This method does not 34696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy * issue any OpenGL commands. 34796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy */ 34896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy void setupFrameState(float left, float top, float right, float bottom, bool opaque); 34996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 35096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy /** 35196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy * Indicates the start of rendering. This method will setup the 35296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy * initial OpenGL state (viewport, clearing the buffer, etc.) 35396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy */ 35496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy status_t startFrame(); 35596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 35696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy /** 3577c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy * Clears the underlying surface if needed. 3587c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy */ 3597c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy virtual status_t clear(float left, float top, float right, float bottom, bool opaque); 3607c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 3617c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy /** 36235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy * Call this method after updating a layer during a drawing pass. 36335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy */ 36435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy void resumeAfterLayer(); 36535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 36635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy /** 3678ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * This method is called whenever a stencil buffer is required. Subclasses 3688ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * should override this method and call attachStencilBufferToLayer() on the 3698ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * appropriate layer(s). 3708ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 3718ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy virtual void ensureStencilBuffer(); 3728ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 3738ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 3748ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Obtains a stencil render buffer (allocating it if necessary) and 3758ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * attaches it to the specified layer. 3768ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 3778ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy void attachStencilBufferToLayer(Layer* layer); 3788ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 379f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bool quickRejectSetupScissor(float left, float top, float right, float bottom, 380d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint = NULL); 381d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik bool quickRejectSetupScissor(const Rect& bounds, const SkPaint* paint = NULL) { 382f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik return quickRejectSetupScissor(bounds.left, bounds.top, 383f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bounds.right, bounds.bottom, paint); 384f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik } 385f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik 3868ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 387e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * Compose the layer defined in the current snapshot with the layer 388e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * defined by the previous snapshot. 389e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 390e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * The current snapshot *must* be a layer (flag kFlagIsLayer set.) 391e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 392e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param curent The current snapshot containing the layer to compose 393e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param previous The previous snapshot to compose the current layer with 394e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy */ 39514e513058ed4168c94e015638d16f5f87fd8063aChris Craik virtual void composeLayer(const Snapshot& current, const Snapshot& previous); 396694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 397ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 398f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Marks the specified region as dirty at the specified bounds. 399ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 400f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayerUnchecked(Rect& bounds, Region* region); 401ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 40242f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 40342f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the region of the current layer. 40442f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 405624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy virtual Region* getRegion() const { 406f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot->region; 407f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 408f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 40942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 41042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Indicates whether rendering is currently targeted at a layer. 41142f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 412624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy virtual bool hasLayer() const { 413f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return (mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region; 414f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 4151bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 41642f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 41742f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the name of the FBO this renderer is rendering into. 41842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 41914e513058ed4168c94e015638d16f5f87fd8063aChris Craik virtual GLuint getTargetFbo() const { 42042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy return 0; 42142f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy } 42242f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy 42377a811610f99e21da7f88dafef60d09f345d0506Romain Guy /** 42477a811610f99e21da7f88dafef60d09f345d0506Romain Guy * Renders the specified layer as a textured quad. 42577a811610f99e21da7f88dafef60d09f345d0506Romain Guy * 42677a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param layer The layer to render 42777a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param rect The bounds of the layer 42877a811610f99e21da7f88dafef60d09f345d0506Romain Guy */ 42977a811610f99e21da7f88dafef60d09f345d0506Romain Guy void drawTextureLayer(Layer* layer, const Rect& rect); 43077a811610f99e21da7f88dafef60d09f345d0506Romain Guy 431be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy /** 432be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * Gets the alpha and xfermode out of a paint object. If the paint is null 43316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * alpha will be 255 and the xfermode will be SRC_OVER. Accounts for both 43416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * snapshot alpha, and overrideLayerAlpha 435be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * 436be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param paint The paint to extract values from 437be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param alpha Where to store the resulting alpha 438be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param mode Where to store the resulting xfermode 439be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy */ 440d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik inline void getAlphaAndMode(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode) const; 44116ecda5317c40fc3da284952d9b3add34d6763aeChris Craik 44216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik /** 44316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * Gets the alpha from a layer, accounting for snapshot alpha and overrideLayerAlpha 44416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * 44516ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * @param layer The layer from which the alpha is extracted 44616ecda5317c40fc3da284952d9b3add34d6763aeChris Craik */ 44776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger inline float getLayerAlpha(const Layer* layer) const; 448be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 449be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy /** 45076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger * Safely retrieves the ColorFilter from the given Paint. If the paint is 45176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger * null then null is returned. 452be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy */ 45376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger static inline SkColorFilter* getColorFilter(const SkPaint* paint) { 45476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return paint ? paint->getColorFilter() : NULL; 455be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy } 456be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 45711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy /** 458d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III * Safely retrieves the Shader from the given Paint. If the paint is 459d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III * null then null is returned. 460d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III */ 461d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III static inline const SkShader* getShader(const SkPaint* paint) { 462d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return paint ? paint->getShader() : NULL; 463d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 464d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 465d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III /** 46611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy * Set to true to suppress error checks at the end of a frame. 46711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy */ 468624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy virtual bool suppressErrorChecks() const { 46911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 47011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 47111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 4723b20251a355c88193c439f928a84ae69483fb488John Reck inline RenderState& renderState() { return mRenderState; } 4733b20251a355c88193c439f928a84ae69483fb488John Reck 47408ae317c21ec3086b5017672bba87420cc38a407Romain Guyprivate: 4755cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 476dcfc836b457a87881da409e1acf251515f121446Romain Guy * Discards the content of the framebuffer if supported by the driver. 477dcfc836b457a87881da409e1acf251515f121446Romain Guy * This method should be called at the beginning of a frame to optimize 478dcfc836b457a87881da409e1acf251515f121446Romain Guy * rendering on some tiler architectures. 479dcfc836b457a87881da409e1acf251515f121446Romain Guy */ 480dcfc836b457a87881da409e1acf251515f121446Romain Guy void discardFramebuffer(float left, float top, float right, float bottom); 481dcfc836b457a87881da409e1acf251515f121446Romain Guy 482dcfc836b457a87881da409e1acf251515f121446Romain Guy /** 483ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy * Ensures the state of the renderer is the same as the state of 484ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy * the GL context. 485ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy */ 486ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy void syncState(); 487ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 488ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy /** 4892b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * Tells the GPU what part of the screen is about to be redrawn. 490d6b65f67717025b1162f86f04e2caa5723566cacChris Craik * This method will use the current layer space clip rect. 4912b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * This method needs to be invoked every time getTargetFbo() is 4922b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * bound again. 4932b7028eabac80cec170572bc0e945a1d4224e595Romain Guy */ 494d6b65f67717025b1162f86f04e2caa5723566cacChris Craik void startTilingCurrentClip(bool opaque = false); 4952b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 4962b7028eabac80cec170572bc0e945a1d4224e595Romain Guy /** 497c3fedafc5f50100219449125a000e3138f6fb987Romain Guy * Tells the GPU what part of the screen is about to be redrawn. 498c3fedafc5f50100219449125a000e3138f6fb987Romain Guy * This method needs to be invoked every time getTargetFbo() is 499c3fedafc5f50100219449125a000e3138f6fb987Romain Guy * bound again. 500c3fedafc5f50100219449125a000e3138f6fb987Romain Guy */ 501c3fedafc5f50100219449125a000e3138f6fb987Romain Guy void startTiling(const Rect& clip, int windowHeight, bool opaque = false); 502c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 503c3fedafc5f50100219449125a000e3138f6fb987Romain Guy /** 5042b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * Tells the GPU that we are done drawing the frame or that we 5052b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * are switching to another render target. 5062b7028eabac80cec170572bc0e945a1d4224e595Romain Guy */ 5072b7028eabac80cec170572bc0e945a1d4224e595Romain Guy void endTiling(); 5082b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 50914e513058ed4168c94e015638d16f5f87fd8063aChris Craik void onSnapshotRestored(const Snapshot& removed, const Snapshot& restored); 510bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 5115cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 5125cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Sets the clipping rectangle using glScissor. The clip is defined by 5135cbbce535744b89df5ecea95de21ee3733298260Romain Guy * the current snapshot's clipRect member. 5145cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 515bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void setScissorFromClip(); 516bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 5175cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 5188ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Sets the clipping region using the stencil buffer. The clip region 5198ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * is defined by the current snapshot's clipRegion member. 5208ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 5218ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy void setStencilFromClip(); 5228ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 5238ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 524408eb12631376cbdc96803e918decf6ea804d346Chris Craik * Given the local bounds of the layer, calculates ... 525d90144db52c7297879b950cbbc85137ed123ab5bChris Craik */ 526d90144db52c7297879b950cbbc85137ed123ab5bChris Craik void calculateLayerBoundsAndClip(Rect& bounds, Rect& clip, bool fboLayer); 527d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 528d90144db52c7297879b950cbbc85137ed123ab5bChris Craik /** 529408eb12631376cbdc96803e918decf6ea804d346Chris Craik * Given the local bounds + clip of the layer, updates current snapshot's empty/invisible 530408eb12631376cbdc96803e918decf6ea804d346Chris Craik */ 531408eb12631376cbdc96803e918decf6ea804d346Chris Craik void updateSnapshotIgnoreForLayer(const Rect& bounds, const Rect& clip, 532408eb12631376cbdc96803e918decf6ea804d346Chris Craik bool fboLayer, int alpha); 533408eb12631376cbdc96803e918decf6ea804d346Chris Craik 534408eb12631376cbdc96803e918decf6ea804d346Chris Craik /** 535d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Creates a new layer stored in the specified snapshot. 536d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 537d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param snapshot The snapshot associated with the new layer 538d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param left The left coordinate of the layer 539d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param top The top coordinate of the layer 540d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param right The right coordinate of the layer 541d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param bottom The bottom coordinate of the layer 542d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param alpha The translucency of the layer 543d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode of the layer 544d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param flags The layer save flags 5453f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik * @param mask A mask to use when drawing the layer back, may be empty 546d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 547d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @return True if the layer was successfully created, false otherwise 548d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 549d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bool createLayer(float left, float top, float right, float bottom, 5503f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPaint* paint, int flags, const SkPath* convexMask); 551d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 552d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 5535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Creates a new layer stored in the specified snapshot as an FBO. 5545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 5555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to store as an FBO 5565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param snapshot The snapshot associated with the new layer 5575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param bounds The bounds of the layer 5585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 559e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik bool createFboLayer(Layer* layer, Rect& bounds, Rect& clip); 5605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 5625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a region. 5635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 5645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 5655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 5665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 5675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRegion(Layer* layer, const Rect& rect); 5685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 5705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a simple rectangle. 5715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 5725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 5735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 5745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param swap If true, the source and destination are swapped 5755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 5765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRect(Layer* layer, const Rect& rect, bool swap = false); 5775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 57854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 57954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Clears all the regions corresponding to the current list of layers. 58054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method MUST be invoked before any drawing operation. 58154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 58254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void clearLayerRegions(); 58354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 58454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 585f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. The coordinates 586f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * are transformed with the supplied matrix. 587f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 588f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 589f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom, const mat4 transform); 590f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 591f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 592f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. 593f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 594f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 595f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom); 596f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 597f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 5985cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a colored rectangle with the specified color. The specified coordinates 599735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * are transformed by the current snapshot's transform matrix unless specified 600735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * otherwise. 6015cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 6025cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 6035cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 6045cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 6055cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 60676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger * @param paint The paint containing the color, blending mode, etc. 6073d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy * @param ignoreTransform True if the current transform should be ignored 6085cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 609026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void drawColorRect(float left, float top, float right, float bottom, 61076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const SkPaint* paint, bool ignoreTransform = false); 6115cbbce535744b89df5ecea95de21ee3733298260Romain Guy 61254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 613735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * Draws a series of colored rectangles with the specified color. The specified 614735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * coordinates are transformed by the current snapshot's transform matrix unless 615735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * specified otherwise. 616735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * 617735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * @param rects A list of rectangles, 4 floats (left, top, right, bottom) 618735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * per rectangle 61976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger * @param paint The paint containing the color, blending mode, etc. 620735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * @param ignoreTransform True if the current transform should be ignored 6218ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * @param dirty True if calling this method should dirty the current layer 6223bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy * @param clip True if the rects should be clipped, false otherwise 623735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy */ 62476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger status_t drawColorRects(const float* rects, int count, const SkPaint* paint, 62576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool ignoreTransform = false, bool dirty = true, bool clip = true); 626735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 627735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy /** 62854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the shape represented by the specified path texture. 62954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method invokes drawPathTexture() but takes into account 63054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * the extra left/top offset and the texture offset to correctly 63154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * position the final shape. 63254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 63354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the shape to render 63454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the shape to render 63554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture reprsenting the shape 63654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the shape with 63754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 638d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik status_t drawShape(float left, float top, const PathTexture* texture, const SkPaint* paint); 63954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 64054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 64154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the specified texture as an alpha bitmap. Alpha bitmaps obey 64254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * different compositing rules. 64354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 64454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to draw with 64554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The x coordinate of the bitmap 64654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The y coordinate of the bitmap 64754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to render with 64854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 649d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik void drawAlphaBitmap(Texture* texture, float left, float top, const SkPaint* paint); 650a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 65154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 65265cd612face362d054a85d0f7e5881c59cd523beChris Craik * Renders a strip of polygons with the specified paint, used for tessellated geometry. 65365cd612face362d054a85d0f7e5881c59cd523beChris Craik * 65465cd612face362d054a85d0f7e5881c59cd523beChris Craik * @param vertexBuffer The VertexBuffer to be drawn 65565cd612face362d054a85d0f7e5881c59cd523beChris Craik * @param paint The paint to render with 65665cd612face362d054a85d0f7e5881c59cd523beChris Craik * @param useOffset Offset the vertexBuffer (used in drawing non-AA lines) 65765cd612face362d054a85d0f7e5881c59cd523beChris Craik */ 65805f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik status_t drawVertexBuffer(float translateX, float translateY, const VertexBuffer& vertexBuffer, 65963d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui const SkPaint* paint, bool useOffset = false); 66065cd612face362d054a85d0f7e5881c59cd523beChris Craik 66165cd612face362d054a85d0f7e5881c59cd523beChris Craik /** 66205f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik * Convenience for translating method 66305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik */ 66405f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik status_t drawVertexBuffer(const VertexBuffer& vertexBuffer, 66505f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const SkPaint* paint, bool useOffset = false) { 66605f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik return drawVertexBuffer(0.0f, 0.0f, vertexBuffer, paint, useOffset); 66705f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik } 66805f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik 66905f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik /** 670710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik * Renders the convex hull defined by the specified path as a strip of polygons. 67154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 672710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik * @param path The hull of the path to draw 673cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik * @param paint The paint to render with 67454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 675d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik status_t drawConvexPath(const SkPath& path, const SkPaint* paint); 676858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 6775cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 6785cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 6795cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 6805cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 6815cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 6825cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 6835cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 6845cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 68582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture to use 68682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param paint The paint containing the alpha, blending mode, etc. 68782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 688a979474f15b454c8e2963f239a3770e200bb227cRomain Guy void drawTextureRect(float left, float top, float right, float bottom, 689d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik Texture* texture, const SkPaint* paint); 69082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 69182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy /** 69203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * Draws a textured mesh with the specified texture. If the indices are omitted, 69303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * the mesh is drawn as a simple quad. The mesh pointers become offsets when a 69403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * VBO is bound. 69582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 69682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 69782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 69882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 69982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 70082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture name to map onto the rectangle 70176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger * @param paint The paint containing the alpha, blending mode, colorFilter, etc. 70282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param blend True if the texture contains an alpha channel 70382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param vertices The vertices that define the mesh 70482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texCoords The texture coordinates of each vertex 70582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param elementsCount The number of elements in the mesh, required by indices 706f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param swapSrcDst Whether or not the src and dst blending operations should be swapped 707f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param ignoreTransform True if the current transform should be ignored 70803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * @param vbo The VBO used to draw the mesh 7094063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * @param modelViewMode Defines whether the model view matrix should be scaled 7105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param dirty True if calling this method should dirty the current layer 711f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy */ 712f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture, 71376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const SkPaint* paint, bool blend, 7146820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 7155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, 7164063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ModelViewMode modelViewMode = kModelViewMode_TranslateAndScale, bool dirty = true); 717f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 7183b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy void drawIndexedTextureMesh(float left, float top, float right, float bottom, GLuint texture, 71976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const SkPaint* paint, bool blend, 7203b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 7213b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, 7224063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ModelViewMode modelViewMode = kModelViewMode_TranslateAndScale, bool dirty = true); 7233b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 724886b275e529e44a59c54b933453d9bc902973178Romain Guy void drawAlpha8TextureMesh(float left, float top, float right, float bottom, 72576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, 726886b275e529e44a59c54b933453d9bc902973178Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 7274063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool ignoreTransform, ModelViewMode modelViewMode = kModelViewMode_TranslateAndScale, 7284063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool dirty = true); 729886b275e529e44a59c54b933453d9bc902973178Romain Guy 730f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 731448455fe783b0a711340322dca272b8cc0ebe473Romain Guy * Draws the specified list of vertices as quads using indexed GL_TRIANGLES. 732448455fe783b0a711340322dca272b8cc0ebe473Romain Guy * If the number of vertices to draw exceeds the number of indices we have 733448455fe783b0a711340322dca272b8cc0ebe473Romain Guy * pre-allocated, this method will generate several glDrawElements() calls. 734448455fe783b0a711340322dca272b8cc0ebe473Romain Guy */ 7354063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik void issueIndexedQuadDraw(Vertex* mesh, GLsizei quadsCount); 736448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 737448455fe783b0a711340322dca272b8cc0ebe473Romain Guy /** 7380a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Draws text underline and strike-through if needed. 7390a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * 7400a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param text The text to decor 7410a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param bytesCount The number of bytes in the text 74241541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik * @param totalAdvance The total advance in pixels, defines underline/strikethrough length 7430a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param x The x coordinate where the text will be drawn 7440a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param y The y coordinate where the text will be drawn 7450a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param paint The paint to draw the text with 7460a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy */ 747d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik void drawTextDecorations(float totalAdvance, float x, float y, const SkPaint* paint); 7481e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 749416a847633680d94efb926837efdc18726d54918Raph Levien /** 750416a847633680d94efb926837efdc18726d54918Raph Levien * Draws shadow layer on text (with optional positions). 751416a847633680d94efb926837efdc18726d54918Raph Levien * 752416a847633680d94efb926837efdc18726d54918Raph Levien * @param paint The paint to draw the shadow with 753416a847633680d94efb926837efdc18726d54918Raph Levien * @param text The text to draw 754416a847633680d94efb926837efdc18726d54918Raph Levien * @param bytesCount The number of bytes in the text 755416a847633680d94efb926837efdc18726d54918Raph Levien * @param count The number of glyphs in the text 756416a847633680d94efb926837efdc18726d54918Raph Levien * @param positions The x, y positions of individual glyphs (or NULL) 757416a847633680d94efb926837efdc18726d54918Raph Levien * @param fontRenderer The font renderer object 758416a847633680d94efb926837efdc18726d54918Raph Levien * @param alpha The alpha value for drawing the shadow 759416a847633680d94efb926837efdc18726d54918Raph Levien * @param x The x coordinate where the shadow will be drawn 760416a847633680d94efb926837efdc18726d54918Raph Levien * @param y The y coordinate where the shadow will be drawn 761416a847633680d94efb926837efdc18726d54918Raph Levien */ 762d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik void drawTextShadow(const SkPaint* paint, const char* text, int bytesCount, int count, 76376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const float* positions, FontRenderer& fontRenderer, int alpha, 764416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y); 765416a847633680d94efb926837efdc18726d54918Raph Levien 76654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 76754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws a path texture. Path textures are alpha8 bitmaps that need special 76854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * compositing to apply colors/filters/etc. 76954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 77054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to render 77154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param x The x coordinate where the texture will be drawn 77254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param y The y coordinate where the texture will be drawn 77354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the texture with 77454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 775d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik void drawPathTexture(const PathTexture* texture, float x, float y, const SkPaint* paint); 77601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 7771e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy /** 778ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Resets the texture coordinates stored in mMeshVertices. Setting the values 779026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * back to default is achieved by calling: 780026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 7818ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 782026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 783026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u1 The left coordinate of the texture 784026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v1 The bottom coordinate of the texture 785026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u2 The right coordinate of the texture 786026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v2 The top coordinate of the texture 787026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy */ 788026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void resetDrawTextureTexCoords(float u1, float v1, float u2, float v2); 789026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 7908ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy /** 791768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy * Returns true if the specified paint will draw invisible text. 792768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy */ 793768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy bool canSkipText(const SkPaint* paint) const; 794768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy 795768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy /** 796746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Binds the specified texture. The texture unit must have been selected 797746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * prior to calling this method. 798a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy */ 799746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void bindTexture(GLuint texture) { 8008aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy mCaches.bindTexture(texture); 801746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 802746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 803746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 804aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * Binds the specified EGLImage texture. The texture unit must have been selected 805aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * prior to calling this method. 806aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy */ 807aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy inline void bindExternalTexture(GLuint texture) { 8088aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy mCaches.bindTexture(GL_TEXTURE_EXTERNAL_OES, texture); 809aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 810aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 811aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy /** 81282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Enable or disable blending as necessary. This function sets the appropriate 81382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * blend function based on the specified xfermode. 81482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 815f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy inline void chooseBlending(bool blend, SkXfermode::Mode mode, ProgramDescription& description, 816f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy bool swapSrcDst = false); 817a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 818f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy /** 819d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Use the specified program with the current GL context. If the program is already 820d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * in use, it will not be bound again. If it is not in use, the current program is 821d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * marked unused and the specified program becomes used and becomes the new 822d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * current program. 8236926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy * 824d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param program The program to use 825d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * 826d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @return true If the specified program was already in use, false otherwise. 827260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy */ 828889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline bool useProgram(Program* program); 829260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 830746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 831746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Invoked before any drawing operation. This sets required state. 832746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 83354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void setupDraw(bool clear = true); 83417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 83570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy /** 83670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy * Various methods to setup OpenGL rendering. 83770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy */ 83870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawWithTexture(bool isAlpha8 = false); 839ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy void setupDrawWithTextureAndColor(bool isAlpha8 = false); 840aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawWithExternalTexture(); 84115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy void setupDrawNoTexture(); 842710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void setupDrawAA(); 8438d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawColor(int color, int alpha); 84470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(float r, float g, float b, float a); 84586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawAlpha8Color(int color, int alpha); 8464121063313ac0d6f69f6253cac821d0c1c122086Romain Guy void setupDrawTextGamma(const SkPaint* paint); 847d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III void setupDrawShader(const SkShader* shader); 84876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger void setupDrawColorFilter(const SkColorFilter* filter); 84976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger void setupDrawBlending(const Layer* layer, bool swapSrcDst = false); 85076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger void setupDrawBlending(const SkPaint* paint, bool blend = true, bool swapSrcDst = false); 85170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawProgram(); 85270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawDirtyRegionsDisabled(); 8534063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 8544063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik /** 8554063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * Setup the current program matrices based upon the nature of the geometry. 8564063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * 8574063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * @param mode If kModelViewMode_Translate, the geometry must be translated by the left and top 8584063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * parameters. If kModelViewMode_TranslateAndScale, the geometry that exists in the (0,0, 1,1) 8594063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * space must be scaled up and translated to fill the quad provided in (l,t,r,b). These 8604063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * transformations are stored in the modelView matrix and uploaded to the shader. 8614063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * 8624063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * @param offset Set to true if the the matrix should be fudged (translated) slightly to disambiguate 863564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik * geometry pixel positioning. See Vertex::GeometryFudgeFactor(). 8644063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * 8654063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * @param ignoreTransform Set to true if l,t,r,b coordinates already in layer space, 8664063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * currentTransform() will be ignored. (e.g. when drawing clip in layer coordinates to stencil, 8674063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * or when simple translation has been extracted) 8684063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik */ 8694063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik void setupDrawModelView(ModelViewMode mode, bool offset, 8704063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik float left, float top, float right, float bottom, bool ignoreTransform = false); 871d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III void setupDrawColorUniforms(bool hasShader); 87286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawPureColorUniforms(); 873d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 874d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III /** 875d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III * Setup uniforms for the current shader. 876d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III * 877d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III * @param shader SkShader on the current paint. 878d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III * 879d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III * @param ignoreTransform Set to true to ignore the transform in shader. 880d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III */ 881d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III void setupDrawShaderUniforms(const SkShader* shader, bool ignoreTransform = false); 88276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger void setupDrawColorFilterUniforms(const SkColorFilter* paint); 88370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawSimpleMesh(); 88470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawTexture(GLuint texture); 885aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawExternalTexture(GLuint texture); 8868f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransform(); 8878f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransformUniforms(mat4& transform); 8884121063313ac0d6f69f6253cac821d0c1c122086Romain Guy void setupDrawTextGammaUniforms(); 889564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik void setupDrawMesh(const GLvoid* vertices, const GLvoid* texCoords = NULL, GLuint vbo = 0); 890564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik void setupDrawMesh(const GLvoid* vertices, const GLvoid* texCoords, const GLvoid* colors); 891564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik void setupDrawMeshIndices(const GLvoid* vertices, const GLvoid* texCoords, GLuint vbo = 0); 892448455fe783b0a711340322dca272b8cc0ebe473Romain Guy void setupDrawIndexedVertices(GLvoid* vertices); 893f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy void accountForClear(SkXfermode::Mode mode); 894746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 89511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy bool updateLayer(Layer* layer, bool inFrame); 89611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy void updateLayers(); 89796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy void flushLayers(); 89811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 899e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik#if DEBUG_LAYERS_AS_REGIONS 90017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 90117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Renders the specified region as a series of rectangles. This method 90217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * is used for debugging only. 90317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 904e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik void drawRegionRectsDebug(const Region& region); 905e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik#endif 9063a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9078ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 9088ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Renders the specified region as a series of rectangles. The region 9098ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * must be in screen-space coordinates. 9108ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 91176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger void drawRegionRects(const SkRegion& region, const SkPaint& paint, bool dirty = false); 9128ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 9138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 9148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Draws the current clip region if any. Only when DEBUG_CLIP_REGIONS 9158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * is turned on. 9168ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 9178ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy void debugClip(); 9188ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 9197c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy void debugOverdraw(bool enable, bool clear); 9207c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy void renderOverdraw(); 92178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy void countOverdraw(); 9227c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 923746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 924746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Should be invoked every time the glScissor is modified. 925746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 926746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void dirtyClip() { 927746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = true; 928746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 929746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 9303b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy inline const UvMapper& getMapper(const Texture* texture) { 9313b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return texture && texture->uvMapper ? *texture->uvMapper : mUvMapper; 9323b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 9333b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 9343b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy /** 9353b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * Returns a texture object for the specified bitmap. The texture can 9363b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * come from the texture cache or an atlas. If this method returns 9373b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * NULL, the texture could not be found and/or allocated. 9383b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy */ 939d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik Texture* getTexture(const SkBitmap* bitmap); 9403b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 9414063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik /** 9424063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * Model-view matrix used to position/size objects 9434063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * 9444063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * Stores operation-local modifications to the draw matrix that aren't incorporated into the 9454063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * currentTransform(). 9464063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * 947e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik * If generated with kModelViewMode_Translate, mModelViewMatrix will reflect an x/y offset, 9484063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * e.g. the offset in drawLayer(). If generated with kModelViewMode_TranslateAndScale, 949e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik * mModelViewMatrix will reflect a translation and scale, e.g. the translation and scale 950e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik * required to make VBO 0 (a rect of (0,0,1,1)) scaled to match the x,y offset, and width/height 951e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik * of a bitmap. 9524063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * 9534063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * Used as input to SkiaShader transformation. 9544063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik */ 955e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik mat4 mModelViewMatrix; 956c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 9572b7028eabac80cec170572bc0e945a1d4224e595Romain Guy // State used to define the clipping region 9585f803623559aab395a29d575c37c4e39c23a4b4eChris Craik Rect mTilingClip; 95996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // Is the target render surface opaque 96096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy bool mOpaque; 96196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // Is a frame currently being rendered 96296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy bool mFrameStarted; 9639d5316e3f56d138504565ff311145ac01621dff4Romain Guy 964026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Used to draw textured quads 965ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex mMeshVertices[4]; 966ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 9673b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // Default UV mapper 9683b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy const UvMapper mUvMapper; 9693b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 970c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik // shader, filters, and shadow 971c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik DrawModifiers mDrawModifiers; 9725ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy SkPaint mFilteredPaint; 9735ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 97482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // Various caches 975fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy Caches& mCaches; 9763bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy Extensions& mExtensions; 9773b20251a355c88193c439f928a84ae69483fb488John Reck RenderState& mRenderState; 9788694230ff25fa0a60e480d424843e56b718f0516Romain Guy 9798f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy // List of rectangles to clear after saveLayer() is invoked 98054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vector<Rect*> mLayers; 98111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy // List of layers to update at the beginning of a frame 98211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Vector<Layer*> mLayerUpdates; 98354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 98470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // The following fields are used to setup drawing 98570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Used to describe the shaders to generate 98670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy ProgramDescription mDescription; 98770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Color description 98870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mColorSet; 98970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy float mColorA, mColorR, mColorG, mColorB; 99070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Indicates that the shader should get a color 99170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mSetShaderColor; 99270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Current texture unit 99370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy GLuint mTextureUnit; 99470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Track dirty regions, true by default 99570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mTrackDirtyRegions; 9962b7028eabac80cec170572bc0e945a1d4224e595Romain Guy // Indicate whether we are drawing an opaque frame 9972b7028eabac80cec170572bc0e945a1d4224e595Romain Guy bool mOpaqueFrame; 99870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 99987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy // See PROPERTY_DISABLE_SCISSOR_OPTIMIZATION in 100087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy // Properties.h 100187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy bool mScissorOptimizationDisabled; 100287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 100354c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // No-ops start/endTiling when set 100454c1a64d5441a964890b44280e4457e11f4f924aRomain Guy bool mSuppressTiling; 100554c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 100678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy // If true, this renderer will setup drawing to emulate 100778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy // an increment stencil buffer in the color buffer 100878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy bool mCountOverdraw; 100978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy float mOverdraw; 101078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 1011deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool mSkipOutlineClip; 1012deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 101396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy friend class Layer; 1014257ae3502cfad43df681b1783528d645bdabc63fRomain Guy friend class TextSetupFunctor; 101503c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy friend class DrawBitmapOp; 101603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy friend class DrawPatchOp; 1017b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy 1018bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy}; // class OpenGLRenderer 1019e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 10209d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 1021e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 1022e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 10235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_OPENGL_RENDERER_H 1024