OpenGLRenderer.h revision f219da5e32e85deb442468ee9a63bb28eb198557
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 30bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy#include <utils/RefBase.h> 318694230ff25fa0a60e480d424843e56b718f0516Romain Guy#include <utils/Vector.h> 32bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 33c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#include "Debug.h" 3451769a68a5cb34e9564740c6a854fcb93018789dRomain Guy#include "Extensions.h" 35f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy#include "Matrix.h" 365cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include "Program.h" 37bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy#include "Rect.h" 385cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include "Snapshot.h" 39f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy#include "Vertex.h" 4006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy#include "SkiaShader.h" 41db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy#include "SkiaColorFilter.h" 42fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy#include "Caches.h" 43bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 44e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 459d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 46e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 47f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 48f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Renderer 49f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 50f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 510fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guyclass DisplayList; 52b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy 535cbbce535744b89df5ecea95de21ee3733298260Romain Guy/** 545cbbce535744b89df5ecea95de21ee3733298260Romain Guy * OpenGL renderer used to draw accelerated 2D graphics. The API is a 555cbbce535744b89df5ecea95de21ee3733298260Romain Guy * simplified version of Skia's Canvas API. 565cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 5785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyclass OpenGLRenderer { 58e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guypublic: 5985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy OpenGLRenderer(); 60e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual ~OpenGLRenderer(); 61e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 62b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy virtual void setViewport(int width, int height); 63e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 646b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy virtual void prepare(bool opaque); 65e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void finish(); 66e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 676c319ca1275c8db892c39b48fc54864c949f9171Romain Guy // These two calls must not be recorded in display lists 686c319ca1275c8db892c39b48fc54864c949f9171Romain Guy void interrupt(); 696c319ca1275c8db892c39b48fc54864c949f9171Romain Guy void resume(); 706c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 714aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void acquireContext(); 724aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void releaseContext(); 7308ae317c21ec3086b5017672bba87420cc38a407Romain Guy 74bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int getSaveCount() const; 754aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual int save(int flags); 764aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void restore(); 774aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void restoreToCount(int saveCount); 78bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 79e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual int saveLayer(float left, float top, float right, float bottom, 805c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags); 81e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual int saveLayerAlpha(float left, float top, float right, float bottom, 82e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy int alpha, int flags); 83bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 844aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void translate(float dx, float dy); 854aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void rotate(float degrees); 864aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void scale(float sx, float sy); 87f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 8841030da16856c8869e1e51d4a0405432fa96614eRomain Guy const float* getMatrix() const; 89f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void getMatrix(SkMatrix* matrix); 904aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setMatrix(SkMatrix* matrix); 914aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void concatMatrix(SkMatrix* matrix); 92f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 939d5316e3f56d138504565ff311145ac01621dff4Romain Guy const Rect& getClipBounds(); 94c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy bool quickReject(float left, float top, float right, float bottom); 954aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual bool clipRect(float left, float top, float right, float bottom, SkRegion::Op op); 96bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 97ffac7fc5042296a459d0f5a450dbfe20917093dcRomain Guy virtual void drawDisplayList(DisplayList* displayList, uint32_t level = 0); 98ada830f639591b99c3e40de22b07296c7932a33fRomain Guy virtual void drawLayer(Layer* layer, float x, float y, SkPaint* paint); 995c13d89c1332fcc499379b9064b891187b75ca32Chet Haase virtual void drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint); 1005c13d89c1332fcc499379b9064b891187b75ca32Chet Haase virtual void drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint); 101e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void drawBitmap(SkBitmap* bitmap, float srcLeft, float srcTop, 102e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy float srcRight, float srcBottom, float dstLeft, float dstTop, 1035c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float dstRight, float dstBottom, SkPaint* paint); 1044aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 1054bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 1065c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint); 107e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void drawColor(int color, SkXfermode::Mode mode); 1085c13d89c1332fcc499379b9064b891187b75ca32Chet Haase virtual void drawRect(float left, float top, float right, float bottom, SkPaint* paint); 109e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void drawPath(SkPath* path, SkPaint* paint); 1105c13d89c1332fcc499379b9064b891187b75ca32Chet Haase virtual void drawLines(float* points, int count, SkPaint* paint); 111e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void drawText(const char* text, int bytesCount, int count, float x, float y, 112e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy SkPaint* paint); 11385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 1144aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShader(); 1154aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShader(SkiaShader* shader); 116d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 1174aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetColorFilter(); 1184aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupColorFilter(SkiaColorFilter* filter); 119db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1204aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShadow(); 1214aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShadow(float radius, float dx, float dy, int color); 1221e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 123e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guyprotected: 124e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy /** 125e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * Compose the layer defined in the current snapshot with the layer 126e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * defined by the previous snapshot. 127e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 128e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * The current snapshot *must* be a layer (flag kFlagIsLayer set.) 129e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 130e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param curent The current snapshot containing the layer to compose 131e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param previous The previous snapshot to compose the current layer with 132e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy */ 133e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void composeLayer(sp<Snapshot> current, sp<Snapshot> previous); 134694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 135ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 136f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Marks the specified region as dirty at the specified bounds. 137ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 138f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayerUnchecked(Rect& bounds, Region* region); 139ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 140ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 141f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Returns the current snapshot. 142ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 143f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy sp<Snapshot> getSnapshot() { 144f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot; 145f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 146ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 147f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy virtual Region* getRegion() { 148f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot->region; 149f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 150f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 151f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy virtual bool hasLayer() { 152f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return (mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region; 153f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 1541bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 15508ae317c21ec3086b5017672bba87420cc38a407Romain Guyprivate: 1565cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1575cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Saves the current state of the renderer as a new snapshot. 1585cbbce535744b89df5ecea95de21ee3733298260Romain Guy * The new snapshot is saved in mSnapshot and the previous snapshot 1595cbbce535744b89df5ecea95de21ee3733298260Romain Guy * is linked from mSnapshot->previous. 1605cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1618aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * @param flags The save flags; see SkCanvas for more information 1628aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * 1635cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @return The new save count. This value can be passed to #restoreToCount() 1645cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 1658aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy int saveSnapshot(int flags); 1665cbbce535744b89df5ecea95de21ee3733298260Romain Guy 1675cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1685cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Restores the current snapshot; mSnapshot becomes mSnapshot->previous. 1695cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1702542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy * @return True if the clip was modified. 1715cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 172bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy bool restoreSnapshot(); 173bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1745cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1755cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Sets the clipping rectangle using glScissor. The clip is defined by 1765cbbce535744b89df5ecea95de21ee3733298260Romain Guy * the current snapshot's clipRect member. 1775cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 178bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void setScissorFromClip(); 179bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1805cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 181d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Creates a new layer stored in the specified snapshot. 182d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 183d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param snapshot The snapshot associated with the new layer 184d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param left The left coordinate of the layer 185d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param top The top coordinate of the layer 186d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param right The right coordinate of the layer 187d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param bottom The bottom coordinate of the layer 188d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param alpha The translucency of the layer 189d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode of the layer 190d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param flags The layer save flags 191eb99356a0548684a501766e6a524529ab93304c8Romain Guy * @param previousFbo The name of the current framebuffer 192d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 193d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @return True if the layer was successfully created, false otherwise 194d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 195d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy bool createLayer(sp<Snapshot> snapshot, float left, float top, float right, float bottom, 196eb99356a0548684a501766e6a524529ab93304c8Romain Guy int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo); 197d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 198d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 1995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Creates a new layer stored in the specified snapshot as an FBO. 2005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 2015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to store as an FBO 2025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param snapshot The snapshot associated with the new layer 2035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param bounds The bounds of the layer 2045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param previousFbo The name of the current framebuffer 2055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 2065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 2075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo); 2085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 2105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a region. 2115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 2125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 2135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 2145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 2155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRegion(Layer* layer, const Rect& rect); 2165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 2185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a simple rectangle. 2195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 2205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 2215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 2225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param swap If true, the source and destination are swapped 2235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 2245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRect(Layer* layer, const Rect& rect, bool swap = false); 2255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 2278694230ff25fa0a60e480d424843e56b718f0516Romain Guy * Clears all the regions corresponding to the current list of layers. 2288694230ff25fa0a60e480d424843e56b718f0516Romain Guy * This method MUST be invoked before any drawing operation. 2298694230ff25fa0a60e480d424843e56b718f0516Romain Guy */ 2308694230ff25fa0a60e480d424843e56b718f0516Romain Guy void clearLayerRegions(); 2318694230ff25fa0a60e480d424843e56b718f0516Romain Guy 2328694230ff25fa0a60e480d424843e56b718f0516Romain Guy /** 233f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. The coordinates 234f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * are transformed with the supplied matrix. 235f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 236f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 237f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom, const mat4 transform); 238f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 239f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 240f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. 241f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 242f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 243f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom); 244f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 245f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 2465cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a colored rectangle with the specified color. The specified coordinates 2475cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 2485cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 2495cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 2505cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 2515cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 2525cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 2535cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param color The rectangle's ARGB color, defined as a packed 32 bits word 254026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param mode The Skia xfermode to use 2553d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy * @param ignoreTransform True if the current transform should be ignored 2565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param ignoreBlending True if the blending is set by the caller 2575cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 258026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void drawColorRect(float left, float top, float right, float bottom, 2591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform = false); 2605cbbce535744b89df5ecea95de21ee3733298260Romain Guy 2615cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 2625cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 2635cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 2645cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 2655cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 2665cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 2675cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 2685cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 2695cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param texture The texture name to map onto the rectangle 2705cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 271d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode 272c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy * @param blend True if the texture contains an alpha channel 2735cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 274bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy void drawTextureRect(float left, float top, float right, float bottom, GLuint texture, 275a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend); 276c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 277026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy /** 27882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 27982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * are transformed by the current snapshot's transform matrix. 28082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 28182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 28282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 28382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 28482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 28582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture to use 28682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param paint The paint containing the alpha, blending mode, etc. 28782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 288a979474f15b454c8e2963f239a3770e200bb227cRomain Guy void drawTextureRect(float left, float top, float right, float bottom, 2898164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint); 29082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 29182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy /** 29203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * Draws a textured mesh with the specified texture. If the indices are omitted, 29303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * the mesh is drawn as a simple quad. The mesh pointers become offsets when a 29403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * VBO is bound. 29582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 29682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 29782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 29882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 29982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 30082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture name to map onto the rectangle 30182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 30282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param mode The blending mode 30382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param blend True if the texture contains an alpha channel 30482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param vertices The vertices that define the mesh 30582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texCoords The texture coordinates of each vertex 30682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param elementsCount The number of elements in the mesh, required by indices 307f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param swapSrcDst Whether or not the src and dst blending operations should be swapped 308f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param ignoreTransform True if the current transform should be ignored 30903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * @param vbo The VBO used to draw the mesh 3105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param ignoreScale True if the model view matrix should not be scaled 3115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param dirty True if calling this method should dirty the current layer 312f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy */ 313f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture, 314a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend, 3156820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 3165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, 3175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool ignoreScale = false, bool dirty = true); 318f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 319f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 3200a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Draws text underline and strike-through if needed. 3210a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * 3220a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param text The text to decor 3230a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param bytesCount The number of bytes in the text 3240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param length The length in pixels of the text, can be <= 0.0f to force a measurement 3250a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param x The x coordinate where the text will be drawn 3260a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param y The y coordinate where the text will be drawn 3270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param paint The paint to draw the text with 3280a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy */ 3290a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy void drawTextDecorations(const char* text, int bytesCount, float length, 3300a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint); 3311e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 3321e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy /** 333ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Resets the texture coordinates stored in mMeshVertices. Setting the values 334026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * back to default is achieved by calling: 335026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 3368ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 337026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 338026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u1 The left coordinate of the texture 339026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v1 The bottom coordinate of the texture 340026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u2 The right coordinate of the texture 341026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v2 The top coordinate of the texture 342026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy */ 343026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void resetDrawTextureTexCoords(float u1, float v1, float u2, float v2); 344026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 3458ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy /** 3468ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * Gets the alpha and xfermode out of a paint object. If the paint is null 3478ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * alpha will be 255 and the xfermode will be SRC_OVER. 3488ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * 3498ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param paint The paint to extract values from 3508ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param alpha Where to store the resulting alpha 3518ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param mode Where to store the resulting xfermode 3528ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy */ 3535c13d89c1332fcc499379b9064b891187b75ca32Chet Haase inline void getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode); 3548ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 355f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 356746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Binds the specified texture. The texture unit must have been selected 357746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * prior to calling this method. 358a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy */ 359746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void bindTexture(GLuint texture) { 360746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glBindTexture(GL_TEXTURE_2D, texture); 361746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 362746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 363746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 364746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Sets the wrap modes for the specified texture. The wrap modes are modified 365746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * only when needed. 366746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 367746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void setTextureWrapModes(Texture* texture, GLenum wrapS, GLenum wrapT); 368a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 369a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy /** 37082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Enable or disable blending as necessary. This function sets the appropriate 37182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * blend function based on the specified xfermode. 37282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 373f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy inline void chooseBlending(bool blend, SkXfermode::Mode mode, ProgramDescription& description, 374f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy bool swapSrcDst = false); 375a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 376f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy /** 377f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * Safely retrieves the mode from the specified xfermode. If the specified 378f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * xfermode is null, the mode is assumed to be SkXfermode::kSrcOver_Mode. 379f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy */ 380a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy inline SkXfermode::Mode getXfermode(SkXfermode* mode); 38182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 382260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy /** 383d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Use the specified program with the current GL context. If the program is already 384d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * in use, it will not be bound again. If it is not in use, the current program is 385d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * marked unused and the specified program becomes used and becomes the new 386d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * current program. 3876926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy * 388d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param program The program to use 389d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * 390d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @return true If the specified program was already in use, false otherwise. 391260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy */ 392889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline bool useProgram(Program* program); 393260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 394746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 395746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Invoked before any drawing operation. This sets required state. 396746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 397746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy void setupDraw(); 39870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy /** 39970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy * Various methods to setup OpenGL rendering. 40070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy */ 40170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawWithTexture(bool isAlpha8 = false); 40270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(int color); 4038d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawColor(int color, int alpha); 40470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(float r, float g, float b, float a); 40586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawAlpha8Color(int color, int alpha); 40686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawAlpha8Color(float r, float g, float b, float a); 40770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShader(); 40870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilter(); 40970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 41070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 41170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(bool blend = true, SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 41270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 41370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawProgram(); 41470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawDirtyRegionsDisabled(); 4158d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawModelViewIdentity(); 41670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelView(float left, float top, float right, float bottom, 41770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false, bool ignoreModelView = false); 41870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelViewTranslate(float left, float top, float right, float bottom, 41970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false); 42070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorUniforms(); 42186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawPureColorUniforms(); 4228d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawShaderIdentityUniforms(); 42370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShaderUniforms(bool ignoreTransform = false); 42470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilterUniforms(); 42570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawSimpleMesh(); 42670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawTexture(GLuint texture); 4278d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawMesh(GLvoid* vertices, GLvoid* texCoords = NULL, GLuint vbo = 0); 42870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void finishDrawTexture(); 429746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 430746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 431746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Should be invoked every time the glScissor is modified. 432746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 433746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void dirtyClip() { 434746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = true; 435746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 436746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 437bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Dimensions of the drawing surface 438bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mWidth, mHeight; 439bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 44085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy // Matrix used for ortho projection in shaders 441260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mat4 mOrthoMatrix; 442bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 443c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy // Model-view matrix used to position/size objects 444c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy mat4 mModelView; 445c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 446bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Number of saved states 447bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mSaveCount; 448f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy // Base state 449ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy sp<Snapshot> mFirstSnapshot; 450bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Current state 451bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy sp<Snapshot> mSnapshot; 4529d5316e3f56d138504565ff311145ac01621dff4Romain Guy 4539d5316e3f56d138504565ff311145ac01621dff4Romain Guy // Shaders 45406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkiaShader* mShader; 455026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 456db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy // Color filters 457db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy SkiaColorFilter* mColorFilter; 458db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 459026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Used to draw textured quads 460ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex mMeshVertices[4]; 461ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 4621e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy // Drop shadow 4631e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy bool mHasShadow; 4641e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowRadius; 4651e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDx; 4661e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDy; 4671e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy int mShadowColor; 4681e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 46982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // Various caches 470fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy Caches& mCaches; 4718694230ff25fa0a60e480d424843e56b718f0516Romain Guy 4728694230ff25fa0a60e480d424843e56b718f0516Romain Guy // List of rectangles to clear due to calls to saveLayer() 4738694230ff25fa0a60e480d424843e56b718f0516Romain Guy Vector<Rect*> mLayers; 4748694230ff25fa0a60e480d424843e56b718f0516Romain Guy 47599bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy // Indentity matrix 47699bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy const mat4 mIdentity; 47799bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy 478746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy // Indicates whether the clip must be restored 479746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bool mDirtyClip; 480746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 48170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // The following fields are used to setup drawing 48270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Used to describe the shaders to generate 48370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy ProgramDescription mDescription; 48470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Color description 48570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mColorSet; 48670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy float mColorA, mColorR, mColorG, mColorB; 48770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Indicates that the shader should get a color 48870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mSetShaderColor; 48970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Current texture unit 49070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy GLuint mTextureUnit; 49170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Track dirty regions, true by default 49270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mTrackDirtyRegions; 49370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Texture coordinates slot 49470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy int mTexCoordsSlot; 49570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 496b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy friend class DisplayListRenderer; 497b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy 498bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy}; // class OpenGLRenderer 499e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 5009d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 501e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 502e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 5035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_OPENGL_RENDERER_H 504