OpenGLRenderer.h revision 5ff9df658230d49e42c43586997a02d8e4dd417e
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, 1017b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy Rect& dirty, 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 144e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guyprotected: 145e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy /** 146e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * Compose the layer defined in the current snapshot with the layer 147e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * defined by the previous snapshot. 148e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 149e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * The current snapshot *must* be a layer (flag kFlagIsLayer set.) 150e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 151e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param curent The current snapshot containing the layer to compose 152e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param previous The previous snapshot to compose the current layer with 153e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy */ 154e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void composeLayer(sp<Snapshot> current, sp<Snapshot> previous); 155694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 156ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 157f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Marks the specified region as dirty at the specified bounds. 158ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 159f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayerUnchecked(Rect& bounds, Region* region); 160ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 161ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 162f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Returns the current snapshot. 163ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 164f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy sp<Snapshot> getSnapshot() { 165f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot; 166f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 167ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 16842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 16942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the region of the current layer. 17042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 171f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy virtual Region* getRegion() { 172f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot->region; 173f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 174f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 17542f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 17642f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Indicates whether rendering is currently targeted at a layer. 17742f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 178f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy virtual bool hasLayer() { 179f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return (mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region; 180f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 1811bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 18242f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 18342f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the name of the FBO this renderer is rendering into. 18442f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 18542f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy virtual GLint getTargetFbo() { 18642f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy return 0; 18742f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy } 18842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy 18977a811610f99e21da7f88dafef60d09f345d0506Romain Guy /** 19077a811610f99e21da7f88dafef60d09f345d0506Romain Guy * Renders the specified layer as a textured quad. 19177a811610f99e21da7f88dafef60d09f345d0506Romain Guy * 19277a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param layer The layer to render 19377a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param rect The bounds of the layer 19477a811610f99e21da7f88dafef60d09f345d0506Romain Guy */ 19577a811610f99e21da7f88dafef60d09f345d0506Romain Guy void drawTextureLayer(Layer* layer, const Rect& rect); 19677a811610f99e21da7f88dafef60d09f345d0506Romain Guy 19708ae317c21ec3086b5017672bba87420cc38a407Romain Guyprivate: 1985cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1995cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Saves the current state of the renderer as a new snapshot. 2005cbbce535744b89df5ecea95de21ee3733298260Romain Guy * The new snapshot is saved in mSnapshot and the previous snapshot 2015cbbce535744b89df5ecea95de21ee3733298260Romain Guy * is linked from mSnapshot->previous. 2025cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 2038aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * @param flags The save flags; see SkCanvas for more information 2048aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * 2055cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @return The new save count. This value can be passed to #restoreToCount() 2065cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 2078aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy int saveSnapshot(int flags); 2085cbbce535744b89df5ecea95de21ee3733298260Romain Guy 2095cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 2105cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Restores the current snapshot; mSnapshot becomes mSnapshot->previous. 2115cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 2122542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy * @return True if the clip was modified. 2135cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 214bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy bool restoreSnapshot(); 215bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2165cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 2175cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Sets the clipping rectangle using glScissor. The clip is defined by 2185cbbce535744b89df5ecea95de21ee3733298260Romain Guy * the current snapshot's clipRect member. 2195cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 220bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void setScissorFromClip(); 221bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2225cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 223d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Creates a new layer stored in the specified snapshot. 224d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 225d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param snapshot The snapshot associated with the new layer 226d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param left The left coordinate of the layer 227d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param top The top coordinate of the layer 228d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param right The right coordinate of the layer 229d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param bottom The bottom coordinate of the layer 230d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param alpha The translucency of the layer 231d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode of the layer 232d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param flags The layer save flags 233eb99356a0548684a501766e6a524529ab93304c8Romain Guy * @param previousFbo The name of the current framebuffer 234d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 235d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @return True if the layer was successfully created, false otherwise 236d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 237d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy bool createLayer(sp<Snapshot> snapshot, float left, float top, float right, float bottom, 238eb99356a0548684a501766e6a524529ab93304c8Romain Guy int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo); 239d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 240d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 2415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Creates a new layer stored in the specified snapshot as an FBO. 2425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 2435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to store as an FBO 2445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param snapshot The snapshot associated with the new layer 2455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param bounds The bounds of the layer 2465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param previousFbo The name of the current framebuffer 2475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 2485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 2495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo); 2505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 2525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a region. 2535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 2545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 2555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 2565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 2575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRegion(Layer* layer, const Rect& rect); 2585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 2605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a simple rectangle. 2615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 2625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 2635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 2645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param swap If true, the source and destination are swapped 2655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 2665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRect(Layer* layer, const Rect& rect, bool swap = false); 2675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 26854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 26954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Clears all the regions corresponding to the current list of layers. 27054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method MUST be invoked before any drawing operation. 27154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 27254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void clearLayerRegions(); 27354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 27454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 275f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. The coordinates 276f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * are transformed with the supplied matrix. 277f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 278f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 279f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom, const mat4 transform); 280f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 281f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 282f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. 283f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 284f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 285f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom); 286f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 287f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 2885cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a colored rectangle with the specified color. The specified coordinates 2895cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 2905cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 2915cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 2925cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 2935cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 2945cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 2955cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param color The rectangle's ARGB color, defined as a packed 32 bits word 296026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param mode The Skia xfermode to use 2973d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy * @param ignoreTransform True if the current transform should be ignored 2985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param ignoreBlending True if the blending is set by the caller 2995cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 300026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void drawColorRect(float left, float top, float right, float bottom, 3011c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform = false); 3025cbbce535744b89df5ecea95de21ee3733298260Romain Guy 30354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 30454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the shape represented by the specified path texture. 30554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method invokes drawPathTexture() but takes into account 30654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * the extra left/top offset and the texture offset to correctly 30754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * position the final shape. 30854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 30954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the shape to render 31054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the shape to render 31154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture reprsenting the shape 31254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the shape with 31354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 314c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy void drawShape(float left, float top, const PathTexture* texture, SkPaint* paint); 31554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 31654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 31754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Renders the rect defined by the specified bounds as a shape. 31854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This will render the rect using a path texture, which is used to render 31954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * rects with stroke effects. 32054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 32154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the rect to draw 32254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the rect to draw 32354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param right The right coordinate of the rect to draw 32454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param bottom The bottom coordinate of the rect to draw 32554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param p The paint to draw the rect with 32654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 327c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy void drawRectAsShape(float left, float top, float right, float bottom, SkPaint* p); 328c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 32954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 33054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the specified texture as an alpha bitmap. Alpha bitmaps obey 33154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * different compositing rules. 33254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 33354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to draw with 33454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The x coordinate of the bitmap 33554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The y coordinate of the bitmap 33654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to render with 33754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 338a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy void drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint); 339a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 34054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 34154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Renders the rect defined by the specified bounds as an anti-aliased rect. 34254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 34354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the rect to draw 34454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the rect to draw 34554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param right The right coordinate of the rect to draw 34654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param bottom The bottom coordinate of the rect to draw 34754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param color The color of the rect 34854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param mode The blending mode to draw the rect 34954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 350858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void drawAARect(float left, float top, float right, float bottom, 351858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int color, SkXfermode::Mode mode); 352858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 3535cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 3545cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 3555cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 3565cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 3575cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 3585cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 3595cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 3605cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 3615cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param texture The texture name to map onto the rectangle 3625cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 363d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode 364c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy * @param blend True if the texture contains an alpha channel 3655cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 366bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy void drawTextureRect(float left, float top, float right, float bottom, GLuint texture, 367a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend); 368c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 369026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy /** 37082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 37182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * are transformed by the current snapshot's transform matrix. 37282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 37382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 37482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 37582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 37682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 37782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture to use 37882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param paint The paint containing the alpha, blending mode, etc. 37982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 380a979474f15b454c8e2963f239a3770e200bb227cRomain Guy void drawTextureRect(float left, float top, float right, float bottom, 3818164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint); 38282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 38382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy /** 38403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * Draws a textured mesh with the specified texture. If the indices are omitted, 38503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * the mesh is drawn as a simple quad. The mesh pointers become offsets when a 38603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * VBO is bound. 38782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 38882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 38982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 39082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 39182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 39282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture name to map onto the rectangle 39382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 39482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param mode The blending mode 39582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param blend True if the texture contains an alpha channel 39682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param vertices The vertices that define the mesh 39782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texCoords The texture coordinates of each vertex 39882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param elementsCount The number of elements in the mesh, required by indices 399f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param swapSrcDst Whether or not the src and dst blending operations should be swapped 400f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param ignoreTransform True if the current transform should be ignored 40103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * @param vbo The VBO used to draw the mesh 4025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param ignoreScale True if the model view matrix should not be scaled 4035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param dirty True if calling this method should dirty the current layer 404f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy */ 405f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture, 406a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend, 4076820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 4085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, 4095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool ignoreScale = false, bool dirty = true); 410f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 411f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 4120a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Draws text underline and strike-through if needed. 4130a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * 4140a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param text The text to decor 4150a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param bytesCount The number of bytes in the text 4160a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param length The length in pixels of the text, can be <= 0.0f to force a measurement 4170a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param x The x coordinate where the text will be drawn 4180a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param y The y coordinate where the text will be drawn 4190a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param paint The paint to draw the text with 4200a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy */ 4210a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy void drawTextDecorations(const char* text, int bytesCount, float length, 4220a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint); 4231e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 42454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 42554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws a path texture. Path textures are alpha8 bitmaps that need special 42654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * compositing to apply colors/filters/etc. 42754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 42854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to render 42954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param x The x coordinate where the texture will be drawn 43054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param y The y coordinate where the texture will be drawn 43154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the texture with 43254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 43301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy void drawPathTexture(const PathTexture* texture, float x, float y, SkPaint* paint); 43401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 4351e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy /** 436ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Resets the texture coordinates stored in mMeshVertices. Setting the values 437026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * back to default is achieved by calling: 438026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 4398ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 440026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 441026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u1 The left coordinate of the texture 442026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v1 The bottom coordinate of the texture 443026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u2 The right coordinate of the texture 444026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v2 The top coordinate of the texture 445026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy */ 446026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void resetDrawTextureTexCoords(float u1, float v1, float u2, float v2); 447026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 4488ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy /** 4498ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * Gets the alpha and xfermode out of a paint object. If the paint is null 4508ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * alpha will be 255 and the xfermode will be SRC_OVER. 4518ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * 4528ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param paint The paint to extract values from 4538ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param alpha Where to store the resulting alpha 4548ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param mode Where to store the resulting xfermode 4558ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy */ 4565c13d89c1332fcc499379b9064b891187b75ca32Chet Haase inline void getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode); 4578ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 458f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 459746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Binds the specified texture. The texture unit must have been selected 460746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * prior to calling this method. 461a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy */ 462746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void bindTexture(GLuint texture) { 463746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glBindTexture(GL_TEXTURE_2D, texture); 464746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 465746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 466746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 467aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * Binds the specified EGLImage texture. The texture unit must have been selected 468aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * prior to calling this method. 469aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy */ 470aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy inline void bindExternalTexture(GLuint texture) { 471aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glBindTexture(GL_TEXTURE_EXTERNAL_OES, texture); 472aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 473aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 474aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy /** 47582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Enable or disable blending as necessary. This function sets the appropriate 47682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * blend function based on the specified xfermode. 47782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 478f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy inline void chooseBlending(bool blend, SkXfermode::Mode mode, ProgramDescription& description, 479f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy bool swapSrcDst = false); 480a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 481f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy /** 482f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * Safely retrieves the mode from the specified xfermode. If the specified 483f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * xfermode is null, the mode is assumed to be SkXfermode::kSrcOver_Mode. 484f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy */ 485a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy inline SkXfermode::Mode getXfermode(SkXfermode* mode); 48682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 487260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy /** 488d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Use the specified program with the current GL context. If the program is already 489d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * in use, it will not be bound again. If it is not in use, the current program is 490d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * marked unused and the specified program becomes used and becomes the new 491d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * current program. 4926926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy * 493d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param program The program to use 494d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * 495d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @return true If the specified program was already in use, false otherwise. 496260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy */ 497889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline bool useProgram(Program* program); 498260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 499746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 500746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Invoked before any drawing operation. This sets required state. 501746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 50254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void setupDraw(bool clear = true); 50370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy /** 50470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy * Various methods to setup OpenGL rendering. 50570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy */ 50670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawWithTexture(bool isAlpha8 = false); 507aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawWithExternalTexture(); 50815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy void setupDrawNoTexture(); 5095b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase void setupDrawAALine(); 510ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy void setupDrawPoint(float pointSize); 51170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(int color); 5128d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawColor(int color, int alpha); 51370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(float r, float g, float b, float a); 51486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawAlpha8Color(int color, int alpha); 51586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawAlpha8Color(float r, float g, float b, float a); 51670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShader(); 51770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilter(); 51870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 51970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 52070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(bool blend = true, SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 52170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 52270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawProgram(); 52370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawDirtyRegionsDisabled(); 5248a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase void setupDrawModelViewIdentity(bool offset = false); 52570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelView(float left, float top, float right, float bottom, 52670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false, bool ignoreModelView = false); 52770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelViewTranslate(float left, float top, float right, float bottom, 52870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false); 529ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy void setupDrawPointUniforms(); 53070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorUniforms(); 53186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawPureColorUniforms(); 5328d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawShaderIdentityUniforms(); 53370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShaderUniforms(bool ignoreTransform = false); 53470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilterUniforms(); 53570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawSimpleMesh(); 53670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawTexture(GLuint texture); 537aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawExternalTexture(GLuint texture); 5388f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransform(); 5398f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransformUniforms(mat4& transform); 5408d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawMesh(GLvoid* vertices, GLvoid* texCoords = NULL, GLuint vbo = 0); 54115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy void setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords); 5425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase void setupDrawVertices(GLvoid* vertices); 54399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void setupDrawAALine(GLvoid* vertices, GLvoid* distanceCoords, GLvoid* lengthCoords, 54499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float strokeWidth); 54570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void finishDrawTexture(); 546f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy void accountForClear(SkXfermode::Mode mode); 547746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 5483a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy void drawRegionRects(const Region& region); 5493a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 550746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 551746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Should be invoked every time the glScissor is modified. 552746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 553746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void dirtyClip() { 554746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = true; 555746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 556746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 557bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Dimensions of the drawing surface 558bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mWidth, mHeight; 559bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 56085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy // Matrix used for ortho projection in shaders 561260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mat4 mOrthoMatrix; 562bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 563c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy // Model-view matrix used to position/size objects 564c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy mat4 mModelView; 565c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 566bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Number of saved states 567bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mSaveCount; 568f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy // Base state 569ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy sp<Snapshot> mFirstSnapshot; 570bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Current state 571bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy sp<Snapshot> mSnapshot; 5729d5316e3f56d138504565ff311145ac01621dff4Romain Guy 5739d5316e3f56d138504565ff311145ac01621dff4Romain Guy // Shaders 57406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkiaShader* mShader; 575026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 576db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy // Color filters 577db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy SkiaColorFilter* mColorFilter; 578db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 579026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Used to draw textured quads 580ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex mMeshVertices[4]; 581ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 5821e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy // Drop shadow 5831e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy bool mHasShadow; 5841e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowRadius; 5851e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDx; 5861e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDy; 5871e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy int mShadowColor; 5881e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 5895ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy // Draw filters 5905ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy bool mHasDrawFilter; 5915ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy int mPaintFilterClearBits; 5925ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy int mPaintFilterSetBits; 5935ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy SkPaint mFilteredPaint; 5945ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 59582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // Various caches 596fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy Caches& mCaches; 5978694230ff25fa0a60e480d424843e56b718f0516Romain Guy 59854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // List of rectagnles to clear after saveLayer() is invoked 59954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vector<Rect*> mLayers; 60054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 60199bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy // Indentity matrix 60299bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy const mat4 mIdentity; 60399bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy 604746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy // Indicates whether the clip must be restored 605746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bool mDirtyClip; 606746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 60770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // The following fields are used to setup drawing 60870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Used to describe the shaders to generate 60970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy ProgramDescription mDescription; 61070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Color description 61170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mColorSet; 61270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy float mColorA, mColorR, mColorG, mColorB; 61370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Indicates that the shader should get a color 61470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mSetShaderColor; 61570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Current texture unit 61670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy GLuint mTextureUnit; 61770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Track dirty regions, true by default 61870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mTrackDirtyRegions; 61970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 620b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy friend class DisplayListRenderer; 621b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy 622bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy}; // class OpenGLRenderer 623e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 6249d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 625e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 626e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 6275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_OPENGL_RENDERER_H 628