OpenGLRenderer.h revision 1271e2cc80b01d577e9db339459ef0222bb9320d
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> 24f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy#include <SkMatrix.h> 25ce0537b80087a6225273040a987414b1dd081aa0Romain Guy#include <SkPaint.h> 26079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy#include <SkRegion.h> 27d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy#include <SkShader.h> 2885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include <SkXfermode.h> 29e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 30daf98e941e140e8739458126640183b9f296a2abChet Haase#include <utils/Functor.h> 31bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy#include <utils/RefBase.h> 328694230ff25fa0a60e480d424843e56b718f0516Romain Guy#include <utils/Vector.h> 33bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 347953745dd565167113f8cbfc461bc0521d32d870Romain Guy#include <cutils/compiler.h> 357953745dd565167113f8cbfc461bc0521d32d870Romain Guy 36c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#include "Debug.h" 3751769a68a5cb34e9564740c6a854fcb93018789dRomain Guy#include "Extensions.h" 38f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy#include "Matrix.h" 395cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include "Program.h" 40bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy#include "Rect.h" 415cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include "Snapshot.h" 42f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy#include "Vertex.h" 4306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy#include "SkiaShader.h" 44db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy#include "SkiaColorFilter.h" 45fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy#include "Caches.h" 46bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 47e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 489d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 49e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 50f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 51f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Renderer 52f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 53f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 540fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guyclass DisplayList; 55b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy 565cbbce535744b89df5ecea95de21ee3733298260Romain Guy/** 575cbbce535744b89df5ecea95de21ee3733298260Romain Guy * OpenGL renderer used to draw accelerated 2D graphics. The API is a 585cbbce535744b89df5ecea95de21ee3733298260Romain Guy * simplified version of Skia's Canvas API. 595cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 6085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyclass OpenGLRenderer { 61e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guypublic: 627953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API OpenGLRenderer(); 63e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual ~OpenGLRenderer(); 64e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 65b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy virtual void setViewport(int width, int height); 66e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 677953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API void prepare(bool opaque); 687d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy virtual void prepareDirty(float left, float top, float right, float bottom, bool opaque); 69e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void finish(); 70e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 716c319ca1275c8db892c39b48fc54864c949f9171Romain Guy // These two calls must not be recorded in display lists 72daf98e941e140e8739458126640183b9f296a2abChet Haase virtual void interrupt(); 73daf98e941e140e8739458126640183b9f296a2abChet Haase virtual void resume(); 746c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 758f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy ANDROID_API status_t invokeFunctors(Rect& dirty); 768f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy virtual status_t callDrawGLFunction(Functor* functor, Rect& dirty); 7708ae317c21ec3086b5017672bba87420cc38a407Romain Guy 787953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API int getSaveCount() const; 794aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual int save(int flags); 804aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void restore(); 814aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void restoreToCount(int saveCount); 82bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 83e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual int saveLayer(float left, float top, float right, float bottom, 845c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags); 85e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual int saveLayerAlpha(float left, float top, float right, float bottom, 86e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy int alpha, int flags); 87bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 88db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase virtual void setAlpha(float alpha) { 89db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase mSnapshot->alpha = alpha; 90db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase } 91db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase 924aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void translate(float dx, float dy); 934aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void rotate(float degrees); 944aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void scale(float sx, float sy); 95807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy virtual void skew(float sx, float sy); 96f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 977953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API void getMatrix(SkMatrix* matrix); 984aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setMatrix(SkMatrix* matrix); 994aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void concatMatrix(SkMatrix* matrix); 100f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1017953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API const Rect& getClipBounds(); 1027953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API bool quickReject(float left, float top, float right, float bottom); 1034aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual bool clipRect(float left, float top, float right, float bottom, SkRegion::Op op); 104a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase virtual Rect* getClipRect(); 105bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1061271e2cc80b01d577e9db339459ef0222bb9320dChet Haase virtual status_t drawDisplayList(DisplayList* displayList, Rect& dirty, int32_t flags, 1071271e2cc80b01d577e9db339459ef0222bb9320dChet Haase uint32_t level = 0); 108ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase virtual void outputDisplayList(DisplayList* displayList, uint32_t level = 0); 109ada830f639591b99c3e40de22b07296c7932a33fRomain Guy virtual void drawLayer(Layer* layer, float x, float y, SkPaint* paint); 1105c13d89c1332fcc499379b9064b891187b75ca32Chet Haase virtual void drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint); 1115c13d89c1332fcc499379b9064b891187b75ca32Chet Haase virtual void drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint); 112e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void drawBitmap(SkBitmap* bitmap, float srcLeft, float srcTop, 113e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy float srcRight, float srcBottom, float dstLeft, float dstTop, 1145c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float dstRight, float dstBottom, SkPaint* paint); 1155a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy virtual void drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 1165a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint); 1174aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 1184bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 1195c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint); 120e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void drawColor(int color, SkXfermode::Mode mode); 1215c13d89c1332fcc499379b9064b891187b75ca32Chet Haase virtual void drawRect(float left, float top, float right, float bottom, SkPaint* paint); 12201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy virtual void drawRoundRect(float left, float top, float right, float bottom, 12301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float rx, float ry, SkPaint* paint); 12401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy virtual void drawCircle(float x, float y, float radius, SkPaint* paint); 125c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy virtual void drawOval(float left, float top, float right, float bottom, SkPaint* paint); 1268b2f5267f16c295f12faab810527cd6311997e34Romain Guy virtual void drawArc(float left, float top, float right, float bottom, 1278b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint); 128e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void drawPath(SkPath* path, SkPaint* paint); 1295c13d89c1332fcc499379b9064b891187b75ca32Chet Haase virtual void drawLines(float* points, int count, SkPaint* paint); 130ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy virtual void drawPoints(float* points, int count, SkPaint* paint); 131e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void drawText(const char* text, int bytesCount, int count, float x, float y, 132cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint* paint, float length = -1.0f); 133325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy virtual void drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 134325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint); 135325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy virtual void drawPosText(const char* text, int bytesCount, int count, 136325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy const float* positions, SkPaint* paint); 13785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 1384aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShader(); 1394aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShader(SkiaShader* shader); 140d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 1414aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetColorFilter(); 1424aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupColorFilter(SkiaColorFilter* filter); 143db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1444aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShadow(); 1454aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShadow(float radius, float dx, float dy, int color); 1461e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 1475ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy virtual void resetPaintFilter(); 1485ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy virtual void setupPaintFilter(int clearBits, int setBits); 1495ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 1505ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy SkPaint* filterPaint(SkPaint* paint); 1515ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 152530041d3191ce817832a0108514617768e43cda6Romain Guy ANDROID_API static uint32_t getStencilSize(); 153530041d3191ce817832a0108514617768e43cda6Romain Guy 15413631f3da855f200a151e7837ed9f6b079622b58Romain Guy void startMark(const char* name) const; 15513631f3da855f200a151e7837ed9f6b079622b58Romain Guy void endMark() const; 15613631f3da855f200a151e7837ed9f6b079622b58Romain Guy 157e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guyprotected: 158e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy /** 159e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * Compose the layer defined in the current snapshot with the layer 160e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * defined by the previous snapshot. 161e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 162e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * The current snapshot *must* be a layer (flag kFlagIsLayer set.) 163e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 164e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param curent The current snapshot containing the layer to compose 165e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param previous The previous snapshot to compose the current layer with 166e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy */ 167e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void composeLayer(sp<Snapshot> current, sp<Snapshot> previous); 168694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 169ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 170f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Marks the specified region as dirty at the specified bounds. 171ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 172f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayerUnchecked(Rect& bounds, Region* region); 173ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 174ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 175f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Returns the current snapshot. 176ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 177f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy sp<Snapshot> getSnapshot() { 178f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot; 179f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 180ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 18142f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 18242f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the region of the current layer. 18342f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 184f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy virtual Region* getRegion() { 185f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot->region; 186f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 187f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 18842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 18942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Indicates whether rendering is currently targeted at a layer. 19042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 191f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy virtual bool hasLayer() { 192f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return (mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region; 193f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 1941bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 19542f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 19642f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the name of the FBO this renderer is rendering into. 19742f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 19842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy virtual GLint getTargetFbo() { 19942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy return 0; 20042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy } 20142f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy 20277a811610f99e21da7f88dafef60d09f345d0506Romain Guy /** 20377a811610f99e21da7f88dafef60d09f345d0506Romain Guy * Renders the specified layer as a textured quad. 20477a811610f99e21da7f88dafef60d09f345d0506Romain Guy * 20577a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param layer The layer to render 20677a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param rect The bounds of the layer 20777a811610f99e21da7f88dafef60d09f345d0506Romain Guy */ 20877a811610f99e21da7f88dafef60d09f345d0506Romain Guy void drawTextureLayer(Layer* layer, const Rect& rect); 20977a811610f99e21da7f88dafef60d09f345d0506Romain Guy 21008ae317c21ec3086b5017672bba87420cc38a407Romain Guyprivate: 2115cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 2125cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Saves the current state of the renderer as a new snapshot. 2135cbbce535744b89df5ecea95de21ee3733298260Romain Guy * The new snapshot is saved in mSnapshot and the previous snapshot 2145cbbce535744b89df5ecea95de21ee3733298260Romain Guy * is linked from mSnapshot->previous. 2155cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 2168aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * @param flags The save flags; see SkCanvas for more information 2178aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * 2185cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @return The new save count. This value can be passed to #restoreToCount() 2195cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 2208aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy int saveSnapshot(int flags); 2215cbbce535744b89df5ecea95de21ee3733298260Romain Guy 2225cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 2235cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Restores the current snapshot; mSnapshot becomes mSnapshot->previous. 2245cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 2252542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy * @return True if the clip was modified. 2265cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 227bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy bool restoreSnapshot(); 228bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2295cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 2305cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Sets the clipping rectangle using glScissor. The clip is defined by 2315cbbce535744b89df5ecea95de21ee3733298260Romain Guy * the current snapshot's clipRect member. 2325cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 233bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void setScissorFromClip(); 234bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2355cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 236d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Creates a new layer stored in the specified snapshot. 237d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 238d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param snapshot The snapshot associated with the new layer 239d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param left The left coordinate of the layer 240d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param top The top coordinate of the layer 241d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param right The right coordinate of the layer 242d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param bottom The bottom coordinate of the layer 243d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param alpha The translucency of the layer 244d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode of the layer 245d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param flags The layer save flags 246eb99356a0548684a501766e6a524529ab93304c8Romain Guy * @param previousFbo The name of the current framebuffer 247d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 248d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @return True if the layer was successfully created, false otherwise 249d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 250d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy bool createLayer(sp<Snapshot> snapshot, float left, float top, float right, float bottom, 251eb99356a0548684a501766e6a524529ab93304c8Romain Guy int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo); 252d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 253d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 2545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Creates a new layer stored in the specified snapshot as an FBO. 2555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 2565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to store as an FBO 2575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param snapshot The snapshot associated with the new layer 2585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param bounds The bounds of the layer 2595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param previousFbo The name of the current framebuffer 2605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 2615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 2625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo); 2635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 2655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a region. 2665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 2675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 2685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 2695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 2705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRegion(Layer* layer, const Rect& rect); 2715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 2735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a simple rectangle. 2745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 2755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 2765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 2775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param swap If true, the source and destination are swapped 2785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 2795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRect(Layer* layer, const Rect& rect, bool swap = false); 2805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 28154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 28254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Clears all the regions corresponding to the current list of layers. 28354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method MUST be invoked before any drawing operation. 28454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 28554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void clearLayerRegions(); 28654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 28754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 288f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. The coordinates 289f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * are transformed with the supplied matrix. 290f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 291f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 292f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom, const mat4 transform); 293f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 294f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 295f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. 296f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 297f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 298f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom); 299f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 300f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 3015cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a colored rectangle with the specified color. The specified coordinates 3025cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 3035cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 3045cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 3055cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 3065cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 3075cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 3085cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param color The rectangle's ARGB color, defined as a packed 32 bits word 309026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param mode The Skia xfermode to use 3103d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy * @param ignoreTransform True if the current transform should be ignored 3115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param ignoreBlending True if the blending is set by the caller 3125cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 313026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void drawColorRect(float left, float top, float right, float bottom, 3141c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform = false); 3155cbbce535744b89df5ecea95de21ee3733298260Romain Guy 31654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 31754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the shape represented by the specified path texture. 31854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method invokes drawPathTexture() but takes into account 31954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * the extra left/top offset and the texture offset to correctly 32054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * position the final shape. 32154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 32254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the shape to render 32354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the shape to render 32454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture reprsenting the shape 32554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the shape with 32654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 327c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy void drawShape(float left, float top, const PathTexture* texture, SkPaint* paint); 32854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 32954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 33054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Renders the rect defined by the specified bounds as a shape. 33154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This will render the rect using a path texture, which is used to render 33254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * rects with stroke effects. 33354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 33454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the rect to draw 33554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the rect to draw 33654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param right The right coordinate of the rect to draw 33754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param bottom The bottom coordinate of the rect to draw 33854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param p The paint to draw the rect with 33954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 340c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy void drawRectAsShape(float left, float top, float right, float bottom, SkPaint* p); 341c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 34254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 34354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the specified texture as an alpha bitmap. Alpha bitmaps obey 34454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * different compositing rules. 34554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 34654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to draw with 34754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The x coordinate of the bitmap 34854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The y coordinate of the bitmap 34954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to render with 35054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 351a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy void drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint); 352a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 35354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 35454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Renders the rect defined by the specified bounds as an anti-aliased rect. 35554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 35654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the rect to draw 35754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the rect to draw 35854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param right The right coordinate of the rect to draw 35954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param bottom The bottom coordinate of the rect to draw 36054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param color The color of the rect 36154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param mode The blending mode to draw the rect 36254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 363858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void drawAARect(float left, float top, float right, float bottom, 364858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int color, SkXfermode::Mode mode); 365858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 3665cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 3675cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 3685cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 3695cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 3705cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 3715cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 3725cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 3735cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 3745cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param texture The texture name to map onto the rectangle 3755cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 376d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode 377c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy * @param blend True if the texture contains an alpha channel 3785cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 379bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy void drawTextureRect(float left, float top, float right, float bottom, GLuint texture, 380a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend); 381c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 382026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy /** 38382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 38482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * are transformed by the current snapshot's transform matrix. 38582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 38682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 38782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 38882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 38982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 39082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture to use 39182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param paint The paint containing the alpha, blending mode, etc. 39282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 393a979474f15b454c8e2963f239a3770e200bb227cRomain Guy void drawTextureRect(float left, float top, float right, float bottom, 3948164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint); 39582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 39682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy /** 39703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * Draws a textured mesh with the specified texture. If the indices are omitted, 39803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * the mesh is drawn as a simple quad. The mesh pointers become offsets when a 39903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * VBO is bound. 40082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 40182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 40282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 40382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 40482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 40582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture name to map onto the rectangle 40682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 40782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param mode The blending mode 40882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param blend True if the texture contains an alpha channel 40982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param vertices The vertices that define the mesh 41082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texCoords The texture coordinates of each vertex 41182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param elementsCount The number of elements in the mesh, required by indices 412f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param swapSrcDst Whether or not the src and dst blending operations should be swapped 413f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param ignoreTransform True if the current transform should be ignored 41403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * @param vbo The VBO used to draw the mesh 4155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param ignoreScale True if the model view matrix should not be scaled 4165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param dirty True if calling this method should dirty the current layer 417f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy */ 418f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture, 419a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend, 4206820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 4215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, 4225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool ignoreScale = false, bool dirty = true); 423f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 424f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 4250a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Draws text underline and strike-through if needed. 4260a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * 4270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param text The text to decor 4280a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param bytesCount The number of bytes in the text 4290a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param length The length in pixels of the text, can be <= 0.0f to force a measurement 4300a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param x The x coordinate where the text will be drawn 4310a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param y The y coordinate where the text will be drawn 4320a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param paint The paint to draw the text with 4330a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy */ 4340a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy void drawTextDecorations(const char* text, int bytesCount, float length, 4350a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint); 4361e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 43754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 43854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws a path texture. Path textures are alpha8 bitmaps that need special 43954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * compositing to apply colors/filters/etc. 44054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 44154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to render 44254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param x The x coordinate where the texture will be drawn 44354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param y The y coordinate where the texture will be drawn 44454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the texture with 44554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 44601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy void drawPathTexture(const PathTexture* texture, float x, float y, SkPaint* paint); 44701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 4481e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy /** 449ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Resets the texture coordinates stored in mMeshVertices. Setting the values 450026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * back to default is achieved by calling: 451026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 4528ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 453026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 454026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u1 The left coordinate of the texture 455026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v1 The bottom coordinate of the texture 456026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u2 The right coordinate of the texture 457026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v2 The top coordinate of the texture 458026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy */ 459026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void resetDrawTextureTexCoords(float u1, float v1, float u2, float v2); 460026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 4618ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy /** 4628ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * Gets the alpha and xfermode out of a paint object. If the paint is null 4638ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * alpha will be 255 and the xfermode will be SRC_OVER. 4648ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * 4658ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param paint The paint to extract values from 4668ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param alpha Where to store the resulting alpha 4678ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param mode Where to store the resulting xfermode 4688ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy */ 4695c13d89c1332fcc499379b9064b891187b75ca32Chet Haase inline void getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode); 4708ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 471f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 472746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Binds the specified texture. The texture unit must have been selected 473746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * prior to calling this method. 474a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy */ 475746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void bindTexture(GLuint texture) { 476746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glBindTexture(GL_TEXTURE_2D, texture); 477746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 478746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 479746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 480aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * Binds the specified EGLImage texture. The texture unit must have been selected 481aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * prior to calling this method. 482aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy */ 483aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy inline void bindExternalTexture(GLuint texture) { 484aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glBindTexture(GL_TEXTURE_EXTERNAL_OES, texture); 485aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 486aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 487aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy /** 48882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Enable or disable blending as necessary. This function sets the appropriate 48982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * blend function based on the specified xfermode. 49082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 491f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy inline void chooseBlending(bool blend, SkXfermode::Mode mode, ProgramDescription& description, 492f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy bool swapSrcDst = false); 493a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 494f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy /** 495f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * Safely retrieves the mode from the specified xfermode. If the specified 496f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * xfermode is null, the mode is assumed to be SkXfermode::kSrcOver_Mode. 497f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy */ 498a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy inline SkXfermode::Mode getXfermode(SkXfermode* mode); 49982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 500260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy /** 501d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Use the specified program with the current GL context. If the program is already 502d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * in use, it will not be bound again. If it is not in use, the current program is 503d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * marked unused and the specified program becomes used and becomes the new 504d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * current program. 5056926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy * 506d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param program The program to use 507d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * 508d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @return true If the specified program was already in use, false otherwise. 509260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy */ 510889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline bool useProgram(Program* program); 511260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 512746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 513746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Invoked before any drawing operation. This sets required state. 514746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 51554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void setupDraw(bool clear = true); 51670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy /** 51770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy * Various methods to setup OpenGL rendering. 51870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy */ 51970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawWithTexture(bool isAlpha8 = false); 520aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawWithExternalTexture(); 52115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy void setupDrawNoTexture(); 5225b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase void setupDrawAALine(); 523ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy void setupDrawPoint(float pointSize); 52470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(int color); 5258d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawColor(int color, int alpha); 52670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(float r, float g, float b, float a); 52786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawAlpha8Color(int color, int alpha); 52886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawAlpha8Color(float r, float g, float b, float a); 52970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShader(); 53070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilter(); 53170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 53270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 53370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(bool blend = true, SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 53470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 53570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawProgram(); 53670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawDirtyRegionsDisabled(); 5378a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase void setupDrawModelViewIdentity(bool offset = false); 53870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelView(float left, float top, float right, float bottom, 53970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false, bool ignoreModelView = false); 54070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelViewTranslate(float left, float top, float right, float bottom, 54170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false); 542ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy void setupDrawPointUniforms(); 54370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorUniforms(); 54486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawPureColorUniforms(); 5458d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawShaderIdentityUniforms(); 54670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShaderUniforms(bool ignoreTransform = false); 54770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilterUniforms(); 54870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawSimpleMesh(); 54970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawTexture(GLuint texture); 550aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawExternalTexture(GLuint texture); 5518f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransform(); 5528f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransformUniforms(mat4& transform); 5538d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawMesh(GLvoid* vertices, GLvoid* texCoords = NULL, GLuint vbo = 0); 55415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy void setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords); 5555b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase void setupDrawVertices(GLvoid* vertices); 55699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void setupDrawAALine(GLvoid* vertices, GLvoid* distanceCoords, GLvoid* lengthCoords, 5577b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy float strokeWidth, int& widthSlot, int& lengthSlot); 5587b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy void finishDrawAALine(const int widthSlot, const int lengthSlot); 55970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void finishDrawTexture(); 560f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy void accountForClear(SkXfermode::Mode mode); 561746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 5623a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy void drawRegionRects(const Region& region); 5633a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 564746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 565746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Should be invoked every time the glScissor is modified. 566746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 567746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void dirtyClip() { 568746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = true; 569746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 570746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 571bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Dimensions of the drawing surface 572bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mWidth, mHeight; 573bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 57485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy // Matrix used for ortho projection in shaders 575260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mat4 mOrthoMatrix; 576bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 577c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy // Model-view matrix used to position/size objects 578c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy mat4 mModelView; 579c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 580bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Number of saved states 581bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mSaveCount; 582f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy // Base state 583ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy sp<Snapshot> mFirstSnapshot; 584bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Current state 585bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy sp<Snapshot> mSnapshot; 5869d5316e3f56d138504565ff311145ac01621dff4Romain Guy 5879d5316e3f56d138504565ff311145ac01621dff4Romain Guy // Shaders 58806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkiaShader* mShader; 589026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 590db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy // Color filters 591db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy SkiaColorFilter* mColorFilter; 592db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 593026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Used to draw textured quads 594ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex mMeshVertices[4]; 595ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 5961e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy // Drop shadow 5971e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy bool mHasShadow; 5981e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowRadius; 5991e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDx; 6001e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDy; 6011e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy int mShadowColor; 6021e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 6035ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy // Draw filters 6045ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy bool mHasDrawFilter; 6055ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy int mPaintFilterClearBits; 6065ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy int mPaintFilterSetBits; 6075ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy SkPaint mFilteredPaint; 6085ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 60982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // Various caches 610fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy Caches& mCaches; 6118694230ff25fa0a60e480d424843e56b718f0516Romain Guy 6128f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy // List of rectangles to clear after saveLayer() is invoked 61354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vector<Rect*> mLayers; 6148f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy // List of functors to invoke after a frame is drawn 6158f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy Vector<Functor*> mFunctors; 61654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 61799bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy // Indentity matrix 61899bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy const mat4 mIdentity; 61999bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy 620746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy // Indicates whether the clip must be restored 621746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bool mDirtyClip; 622746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 62370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // The following fields are used to setup drawing 62470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Used to describe the shaders to generate 62570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy ProgramDescription mDescription; 62670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Color description 62770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mColorSet; 62870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy float mColorA, mColorR, mColorG, mColorB; 62970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Indicates that the shader should get a color 63070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mSetShaderColor; 63170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Current texture unit 63270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy GLuint mTextureUnit; 63370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Track dirty regions, true by default 63470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mTrackDirtyRegions; 63570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 636b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy friend class DisplayListRenderer; 637b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy 638bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy}; // class OpenGLRenderer 639e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 6409d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 641e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 642e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 6435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_OPENGL_RENDERER_H 644