OpenGLRenderer.h revision 33f6beb10f98e8ba96250e284876d607055d278d
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 75cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy virtual bool callDrawGLFunction(Functor *functor, Rect& dirty); 7608ae317c21ec3086b5017672bba87420cc38a407Romain Guy 777953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API int getSaveCount() const; 784aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual int save(int flags); 794aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void restore(); 804aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void restoreToCount(int saveCount); 81bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 82e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual int saveLayer(float left, float top, float right, float bottom, 835c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags); 84e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual int saveLayerAlpha(float left, float top, float right, float bottom, 85e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy int alpha, int flags); 86bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 874aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void translate(float dx, float dy); 884aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void rotate(float degrees); 894aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void scale(float sx, float sy); 90807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy virtual void skew(float sx, float sy); 91f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 927953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API void getMatrix(SkMatrix* matrix); 934aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setMatrix(SkMatrix* matrix); 944aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void concatMatrix(SkMatrix* matrix); 95f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 967953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API const Rect& getClipBounds(); 977953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API bool quickReject(float left, float top, float right, float bottom); 984aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual bool clipRect(float left, float top, float right, float bottom, SkRegion::Op op); 99bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1007b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy virtual bool drawDisplayList(DisplayList* displayList, uint32_t width, uint32_t height, 10133f6beb10f98e8ba96250e284876d607055d278dRomain Guy Rect& dirty, int32_t flags, uint32_t level = 0); 102ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase virtual void outputDisplayList(DisplayList* displayList, uint32_t level = 0); 103ada830f639591b99c3e40de22b07296c7932a33fRomain Guy virtual void drawLayer(Layer* layer, float x, float y, SkPaint* paint); 1045c13d89c1332fcc499379b9064b891187b75ca32Chet Haase virtual void drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint); 1055c13d89c1332fcc499379b9064b891187b75ca32Chet Haase virtual void drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint); 106e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void drawBitmap(SkBitmap* bitmap, float srcLeft, float srcTop, 107e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy float srcRight, float srcBottom, float dstLeft, float dstTop, 1085c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float dstRight, float dstBottom, SkPaint* paint); 1095a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy virtual void drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 1105a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint); 1114aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 1124bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 1135c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint); 114e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void drawColor(int color, SkXfermode::Mode mode); 1155c13d89c1332fcc499379b9064b891187b75ca32Chet Haase virtual void drawRect(float left, float top, float right, float bottom, SkPaint* paint); 11601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy virtual void drawRoundRect(float left, float top, float right, float bottom, 11701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float rx, float ry, SkPaint* paint); 11801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy virtual void drawCircle(float x, float y, float radius, SkPaint* paint); 119c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy virtual void drawOval(float left, float top, float right, float bottom, SkPaint* paint); 1208b2f5267f16c295f12faab810527cd6311997e34Romain Guy virtual void drawArc(float left, float top, float right, float bottom, 1218b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint); 122e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void drawPath(SkPath* path, SkPaint* paint); 1235c13d89c1332fcc499379b9064b891187b75ca32Chet Haase virtual void drawLines(float* points, int count, SkPaint* paint); 124ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy virtual void drawPoints(float* points, int count, SkPaint* paint); 125e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void drawText(const char* text, int bytesCount, int count, float x, float y, 126cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint* paint, float length = -1.0f); 127eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy virtual void drawPosText(const char* text, int bytesCount, int count, const float* positions, 128eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy SkPaint* paint); 12985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 1304aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShader(); 1314aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShader(SkiaShader* shader); 132d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 1334aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetColorFilter(); 1344aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupColorFilter(SkiaColorFilter* filter); 135db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1364aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShadow(); 1374aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShadow(float radius, float dx, float dy, int color); 1381e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 1395ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy virtual void resetPaintFilter(); 1405ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy virtual void setupPaintFilter(int clearBits, int setBits); 1415ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 1425ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy SkPaint* filterPaint(SkPaint* paint); 1435ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 144530041d3191ce817832a0108514617768e43cda6Romain Guy ANDROID_API static uint32_t getStencilSize(); 145530041d3191ce817832a0108514617768e43cda6Romain Guy 14613631f3da855f200a151e7837ed9f6b079622b58Romain Guy void startMark(const char* name) const; 14713631f3da855f200a151e7837ed9f6b079622b58Romain Guy void endMark() const; 14813631f3da855f200a151e7837ed9f6b079622b58Romain Guy 149e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guyprotected: 150e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy /** 151e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * Compose the layer defined in the current snapshot with the layer 152e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * defined by the previous snapshot. 153e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 154e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * The current snapshot *must* be a layer (flag kFlagIsLayer set.) 155e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 156e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param curent The current snapshot containing the layer to compose 157e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param previous The previous snapshot to compose the current layer with 158e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy */ 159e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void composeLayer(sp<Snapshot> current, sp<Snapshot> previous); 160694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 161ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 162f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Marks the specified region as dirty at the specified bounds. 163ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 164f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayerUnchecked(Rect& bounds, Region* region); 165ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 166ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 167f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Returns the current snapshot. 168ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 169f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy sp<Snapshot> getSnapshot() { 170f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot; 171f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 172ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 17342f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 17442f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the region of the current layer. 17542f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 176f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy virtual Region* getRegion() { 177f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot->region; 178f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 179f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 18042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 18142f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Indicates whether rendering is currently targeted at a layer. 18242f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 183f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy virtual bool hasLayer() { 184f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return (mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region; 185f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 1861bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 18742f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 18842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the name of the FBO this renderer is rendering into. 18942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 19042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy virtual GLint getTargetFbo() { 19142f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy return 0; 19242f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy } 19342f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy 19477a811610f99e21da7f88dafef60d09f345d0506Romain Guy /** 19577a811610f99e21da7f88dafef60d09f345d0506Romain Guy * Renders the specified layer as a textured quad. 19677a811610f99e21da7f88dafef60d09f345d0506Romain Guy * 19777a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param layer The layer to render 19877a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param rect The bounds of the layer 19977a811610f99e21da7f88dafef60d09f345d0506Romain Guy */ 20077a811610f99e21da7f88dafef60d09f345d0506Romain Guy void drawTextureLayer(Layer* layer, const Rect& rect); 20177a811610f99e21da7f88dafef60d09f345d0506Romain Guy 20208ae317c21ec3086b5017672bba87420cc38a407Romain Guyprivate: 2035cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 2045cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Saves the current state of the renderer as a new snapshot. 2055cbbce535744b89df5ecea95de21ee3733298260Romain Guy * The new snapshot is saved in mSnapshot and the previous snapshot 2065cbbce535744b89df5ecea95de21ee3733298260Romain Guy * is linked from mSnapshot->previous. 2075cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 2088aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * @param flags The save flags; see SkCanvas for more information 2098aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * 2105cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @return The new save count. This value can be passed to #restoreToCount() 2115cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 2128aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy int saveSnapshot(int flags); 2135cbbce535744b89df5ecea95de21ee3733298260Romain Guy 2145cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 2155cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Restores the current snapshot; mSnapshot becomes mSnapshot->previous. 2165cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 2172542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy * @return True if the clip was modified. 2185cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 219bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy bool restoreSnapshot(); 220bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2215cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 2225cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Sets the clipping rectangle using glScissor. The clip is defined by 2235cbbce535744b89df5ecea95de21ee3733298260Romain Guy * the current snapshot's clipRect member. 2245cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 225bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void setScissorFromClip(); 226bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2275cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 228d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Creates a new layer stored in the specified snapshot. 229d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 230d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param snapshot The snapshot associated with the new layer 231d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param left The left coordinate of the layer 232d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param top The top coordinate of the layer 233d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param right The right coordinate of the layer 234d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param bottom The bottom coordinate of the layer 235d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param alpha The translucency of the layer 236d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode of the layer 237d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param flags The layer save flags 238eb99356a0548684a501766e6a524529ab93304c8Romain Guy * @param previousFbo The name of the current framebuffer 239d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 240d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @return True if the layer was successfully created, false otherwise 241d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 242d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy bool createLayer(sp<Snapshot> snapshot, float left, float top, float right, float bottom, 243eb99356a0548684a501766e6a524529ab93304c8Romain Guy int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo); 244d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 245d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 2465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Creates a new layer stored in the specified snapshot as an FBO. 2475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 2485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to store as an FBO 2495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param snapshot The snapshot associated with the new layer 2505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param bounds The bounds of the layer 2515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param previousFbo The name of the current framebuffer 2525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 2535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 2545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo); 2555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 2575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a region. 2585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 2595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 2605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 2615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 2625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRegion(Layer* layer, const Rect& rect); 2635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 2655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a simple rectangle. 2665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 2675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 2685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 2695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param swap If true, the source and destination are swapped 2705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 2715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRect(Layer* layer, const Rect& rect, bool swap = false); 2725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 27354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 27454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Clears all the regions corresponding to the current list of layers. 27554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method MUST be invoked before any drawing operation. 27654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 27754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void clearLayerRegions(); 27854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 27954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 280f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. The coordinates 281f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * are transformed with the supplied matrix. 282f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 283f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 284f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom, const mat4 transform); 285f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 286f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 287f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. 288f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 289f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 290f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom); 291f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 292f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 2935cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a colored rectangle with the specified color. The specified coordinates 2945cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 2955cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 2965cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 2975cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 2985cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 2995cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 3005cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param color The rectangle's ARGB color, defined as a packed 32 bits word 301026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param mode The Skia xfermode to use 3023d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy * @param ignoreTransform True if the current transform should be ignored 3035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param ignoreBlending True if the blending is set by the caller 3045cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 305026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void drawColorRect(float left, float top, float right, float bottom, 3061c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform = false); 3075cbbce535744b89df5ecea95de21ee3733298260Romain Guy 30854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 30954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the shape represented by the specified path texture. 31054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method invokes drawPathTexture() but takes into account 31154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * the extra left/top offset and the texture offset to correctly 31254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * position the final shape. 31354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 31454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the shape to render 31554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the shape to render 31654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture reprsenting the shape 31754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the shape with 31854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 319c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy void drawShape(float left, float top, const PathTexture* texture, SkPaint* paint); 32054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 32154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 32254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Renders the rect defined by the specified bounds as a shape. 32354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This will render the rect using a path texture, which is used to render 32454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * rects with stroke effects. 32554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 32654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the rect to draw 32754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the rect to draw 32854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param right The right coordinate of the rect to draw 32954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param bottom The bottom coordinate of the rect to draw 33054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param p The paint to draw the rect with 33154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 332c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy void drawRectAsShape(float left, float top, float right, float bottom, SkPaint* p); 333c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 33454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 33554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the specified texture as an alpha bitmap. Alpha bitmaps obey 33654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * different compositing rules. 33754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 33854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to draw with 33954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The x coordinate of the bitmap 34054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The y coordinate of the bitmap 34154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to render with 34254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 343a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy void drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint); 344a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 34554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 34654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Renders the rect defined by the specified bounds as an anti-aliased rect. 34754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 34854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the rect to draw 34954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the rect to draw 35054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param right The right coordinate of the rect to draw 35154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param bottom The bottom coordinate of the rect to draw 35254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param color The color of the rect 35354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param mode The blending mode to draw the rect 35454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 355858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void drawAARect(float left, float top, float right, float bottom, 356858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int color, SkXfermode::Mode mode); 357858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 3585cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 3595cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 3605cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 3615cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 3625cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 3635cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 3645cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 3655cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 3665cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param texture The texture name to map onto the rectangle 3675cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 368d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode 369c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy * @param blend True if the texture contains an alpha channel 3705cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 371bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy void drawTextureRect(float left, float top, float right, float bottom, GLuint texture, 372a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend); 373c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 374026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy /** 37582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 37682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * are transformed by the current snapshot's transform matrix. 37782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 37882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 37982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 38082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 38182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 38282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture to use 38382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param paint The paint containing the alpha, blending mode, etc. 38482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 385a979474f15b454c8e2963f239a3770e200bb227cRomain Guy void drawTextureRect(float left, float top, float right, float bottom, 3868164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint); 38782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 38882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy /** 38903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * Draws a textured mesh with the specified texture. If the indices are omitted, 39003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * the mesh is drawn as a simple quad. The mesh pointers become offsets when a 39103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * VBO is bound. 39282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 39382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 39482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 39582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 39682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 39782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture name to map onto the rectangle 39882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 39982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param mode The blending mode 40082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param blend True if the texture contains an alpha channel 40182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param vertices The vertices that define the mesh 40282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texCoords The texture coordinates of each vertex 40382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param elementsCount The number of elements in the mesh, required by indices 404f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param swapSrcDst Whether or not the src and dst blending operations should be swapped 405f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param ignoreTransform True if the current transform should be ignored 40603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * @param vbo The VBO used to draw the mesh 4075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param ignoreScale True if the model view matrix should not be scaled 4085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param dirty True if calling this method should dirty the current layer 409f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy */ 410f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture, 411a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend, 4126820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 4135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, 4145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool ignoreScale = false, bool dirty = true); 415f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 416f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 4170a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Draws text underline and strike-through if needed. 4180a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * 4190a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param text The text to decor 4200a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param bytesCount The number of bytes in the text 4210a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param length The length in pixels of the text, can be <= 0.0f to force a measurement 4220a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param x The x coordinate where the text will be drawn 4230a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param y The y coordinate where the text will be drawn 4240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param paint The paint to draw the text with 4250a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy */ 4260a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy void drawTextDecorations(const char* text, int bytesCount, float length, 4270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint); 4281e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 42954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 43054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws a path texture. Path textures are alpha8 bitmaps that need special 43154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * compositing to apply colors/filters/etc. 43254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 43354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to render 43454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param x The x coordinate where the texture will be drawn 43554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param y The y coordinate where the texture will be drawn 43654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the texture with 43754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 43801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy void drawPathTexture(const PathTexture* texture, float x, float y, SkPaint* paint); 43901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 4401e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy /** 441ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Resets the texture coordinates stored in mMeshVertices. Setting the values 442026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * back to default is achieved by calling: 443026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 4448ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 445026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 446026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u1 The left coordinate of the texture 447026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v1 The bottom coordinate of the texture 448026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u2 The right coordinate of the texture 449026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v2 The top coordinate of the texture 450026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy */ 451026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void resetDrawTextureTexCoords(float u1, float v1, float u2, float v2); 452026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 4538ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy /** 4548ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * Gets the alpha and xfermode out of a paint object. If the paint is null 4558ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * alpha will be 255 and the xfermode will be SRC_OVER. 4568ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * 4578ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param paint The paint to extract values from 4588ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param alpha Where to store the resulting alpha 4598ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param mode Where to store the resulting xfermode 4608ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy */ 4615c13d89c1332fcc499379b9064b891187b75ca32Chet Haase inline void getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode); 4628ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 463f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 464746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Binds the specified texture. The texture unit must have been selected 465746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * prior to calling this method. 466a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy */ 467746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void bindTexture(GLuint texture) { 468746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glBindTexture(GL_TEXTURE_2D, texture); 469746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 470746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 471746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 472aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * Binds the specified EGLImage texture. The texture unit must have been selected 473aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * prior to calling this method. 474aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy */ 475aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy inline void bindExternalTexture(GLuint texture) { 476aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glBindTexture(GL_TEXTURE_EXTERNAL_OES, texture); 477aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 478aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 479aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy /** 48082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Enable or disable blending as necessary. This function sets the appropriate 48182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * blend function based on the specified xfermode. 48282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 483f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy inline void chooseBlending(bool blend, SkXfermode::Mode mode, ProgramDescription& description, 484f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy bool swapSrcDst = false); 485a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 486f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy /** 487f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * Safely retrieves the mode from the specified xfermode. If the specified 488f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * xfermode is null, the mode is assumed to be SkXfermode::kSrcOver_Mode. 489f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy */ 490a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy inline SkXfermode::Mode getXfermode(SkXfermode* mode); 49182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 492260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy /** 493d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Use the specified program with the current GL context. If the program is already 494d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * in use, it will not be bound again. If it is not in use, the current program is 495d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * marked unused and the specified program becomes used and becomes the new 496d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * current program. 4976926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy * 498d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param program The program to use 499d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * 500d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @return true If the specified program was already in use, false otherwise. 501260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy */ 502889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline bool useProgram(Program* program); 503260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 504746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 505746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Invoked before any drawing operation. This sets required state. 506746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 50754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void setupDraw(bool clear = true); 50870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy /** 50970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy * Various methods to setup OpenGL rendering. 51070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy */ 51170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawWithTexture(bool isAlpha8 = false); 512aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawWithExternalTexture(); 51315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy void setupDrawNoTexture(); 5145b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase void setupDrawAALine(); 515ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy void setupDrawPoint(float pointSize); 51670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(int color); 5178d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawColor(int color, int alpha); 51870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(float r, float g, float b, float a); 51986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawAlpha8Color(int color, int alpha); 52086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawAlpha8Color(float r, float g, float b, float a); 52170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShader(); 52270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilter(); 52370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 52470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 52570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(bool blend = true, SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 52670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 52770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawProgram(); 52870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawDirtyRegionsDisabled(); 5298a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase void setupDrawModelViewIdentity(bool offset = false); 53070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelView(float left, float top, float right, float bottom, 53170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false, bool ignoreModelView = false); 53270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelViewTranslate(float left, float top, float right, float bottom, 53370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false); 534ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy void setupDrawPointUniforms(); 53570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorUniforms(); 53686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawPureColorUniforms(); 5378d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawShaderIdentityUniforms(); 53870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShaderUniforms(bool ignoreTransform = false); 53970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilterUniforms(); 54070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawSimpleMesh(); 54170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawTexture(GLuint texture); 542aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawExternalTexture(GLuint texture); 5438f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransform(); 5448f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransformUniforms(mat4& transform); 5458d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawMesh(GLvoid* vertices, GLvoid* texCoords = NULL, GLuint vbo = 0); 54615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy void setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords); 5475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase void setupDrawVertices(GLvoid* vertices); 54899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void setupDrawAALine(GLvoid* vertices, GLvoid* distanceCoords, GLvoid* lengthCoords, 54999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float strokeWidth); 55070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void finishDrawTexture(); 551f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy void accountForClear(SkXfermode::Mode mode); 552746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 5533a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy void drawRegionRects(const Region& region); 5543a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 555746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 556746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Should be invoked every time the glScissor is modified. 557746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 558746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void dirtyClip() { 559746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = true; 560746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 561746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 562bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Dimensions of the drawing surface 563bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mWidth, mHeight; 564bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 56585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy // Matrix used for ortho projection in shaders 566260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mat4 mOrthoMatrix; 567bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 568c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy // Model-view matrix used to position/size objects 569c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy mat4 mModelView; 570c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 571bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Number of saved states 572bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mSaveCount; 573f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy // Base state 574ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy sp<Snapshot> mFirstSnapshot; 575bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Current state 576bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy sp<Snapshot> mSnapshot; 5779d5316e3f56d138504565ff311145ac01621dff4Romain Guy 5789d5316e3f56d138504565ff311145ac01621dff4Romain Guy // Shaders 57906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkiaShader* mShader; 580026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 581db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy // Color filters 582db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy SkiaColorFilter* mColorFilter; 583db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 584026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Used to draw textured quads 585ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex mMeshVertices[4]; 586ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 5871e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy // Drop shadow 5881e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy bool mHasShadow; 5891e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowRadius; 5901e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDx; 5911e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDy; 5921e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy int mShadowColor; 5931e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 5945ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy // Draw filters 5955ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy bool mHasDrawFilter; 5965ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy int mPaintFilterClearBits; 5975ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy int mPaintFilterSetBits; 5985ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy SkPaint mFilteredPaint; 5995ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 60082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // Various caches 601fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy Caches& mCaches; 6028694230ff25fa0a60e480d424843e56b718f0516Romain Guy 60354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // List of rectagnles to clear after saveLayer() is invoked 60454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vector<Rect*> mLayers; 60554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 60699bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy // Indentity matrix 60799bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy const mat4 mIdentity; 60899bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy 609746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy // Indicates whether the clip must be restored 610746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bool mDirtyClip; 611746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 61270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // The following fields are used to setup drawing 61370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Used to describe the shaders to generate 61470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy ProgramDescription mDescription; 61570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Color description 61670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mColorSet; 61770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy float mColorA, mColorR, mColorG, mColorB; 61870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Indicates that the shader should get a color 61970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mSetShaderColor; 62070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Current texture unit 62170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy GLuint mTextureUnit; 62270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Track dirty regions, true by default 62370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mTrackDirtyRegions; 62470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 625b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy friend class DisplayListRenderer; 626b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy 627bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy}; // class OpenGLRenderer 628e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 6299d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 630e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 631e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 6325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_OPENGL_RENDERER_H 633