OpenGLRenderer.h revision ae5575b3421c8fbe590ab046d7d5f2b36ecfd821
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 179d5316e3f56d138504565ff311145ac01621dff4Romain Guy#ifndef ANDROID_UI_OPENGL_RENDERER_H 189d5316e3f56d138504565ff311145ac01621dff4Romain Guy#define ANDROID_UI_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> 31deba785f122a47915756ffd991f5540d952cf937Romain Guy#include <utils/ResourceTypes.h> 32bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3351769a68a5cb34e9564740c6a854fcb93018789dRomain Guy#include "Extensions.h" 34f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy#include "Matrix.h" 355cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include "Program.h" 36bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy#include "Rect.h" 375cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include "Snapshot.h" 38ce0537b80087a6225273040a987414b1dd081aa0Romain Guy#include "TextureCache.h" 39dda570201ac851dd85af3861f7e575721d3345daRomain Guy#include "LayerCache.h" 40c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy#include "GradientCache.h" 41f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy#include "PatchCache.h" 42f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy#include "Vertex.h" 43694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include "FontRenderer.h" 44ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy#include "ProgramCache.h" 45bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 46e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 479d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 48e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 49f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 50f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Renderer 51f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 52f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 53889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy#define REQUIRED_TEXTURE_UNITS_COUNT 3 54889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 555cbbce535744b89df5ecea95de21ee3733298260Romain Guy/** 565cbbce535744b89df5ecea95de21ee3733298260Romain Guy * OpenGL renderer used to draw accelerated 2D graphics. The API is a 575cbbce535744b89df5ecea95de21ee3733298260Romain Guy * simplified version of Skia's Canvas API. 585cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 5985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyclass OpenGLRenderer { 60e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guypublic: 6185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy OpenGLRenderer(); 6285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy ~OpenGLRenderer(); 63e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 64e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy void setViewport(int width, int height); 65e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy void prepare(); 6608ae317c21ec3086b5017672bba87420cc38a407Romain Guy 67bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int getSaveCount() const; 68bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int save(int flags); 69bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void restore(); 70bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void restoreToCount(int saveCount); 71bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 72bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int saveLayer(float left, float top, float right, float bottom, const SkPaint* p, int flags); 73bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int saveLayerAlpha(float left, float top, float right, float bottom, int alpha, int flags); 74bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 75f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void translate(float dx, float dy); 76f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void rotate(float degrees); 77f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void scale(float sx, float sy); 78f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 79f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void setMatrix(SkMatrix* matrix); 80f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void getMatrix(SkMatrix* matrix); 81f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void concatMatrix(SkMatrix* matrix); 82f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 839d5316e3f56d138504565ff311145ac01621dff4Romain Guy const Rect& getClipBounds(); 84c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy bool quickReject(float left, float top, float right, float bottom); 85079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipRect(float left, float top, float right, float bottom, SkRegion::Op op); 86bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 87c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy void drawBitmap(SkBitmap* bitmap, float left, float top, const SkPaint* paint); 88f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy void drawBitmap(SkBitmap* bitmap, const SkMatrix* matrix, const SkPaint* paint); 898ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy void drawBitmap(SkBitmap* bitmap, float srcLeft, float srcTop, float srcRight, float srcBottom, 90f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, const SkPaint* paint); 91deba785f122a47915756ffd991f5540d952cf937Romain Guy void drawPatch(SkBitmap* bitmap, Res_png_9patch* patch, float left, float top, 92deba785f122a47915756ffd991f5540d952cf937Romain Guy float right, float bottom, const SkPaint* paint); 9385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy void drawColor(int color, SkXfermode::Mode mode); 94bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy void drawRect(float left, float top, float right, float bottom, const SkPaint* paint); 9585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 96d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy void resetShader(); 97d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy void setupBitmapShader(SkBitmap* bitmap, SkShader::TileMode tileX, SkShader::TileMode tileY, 98d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy SkMatrix* matrix, bool hasAlpha); 99f9764a4f532561f6e2e985ff3b25112f1132ce44Romain Guy void setupLinearGradientShader(SkShader* shader, float* bounds, uint32_t* colors, 100c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy float* positions, int count, SkShader::TileMode tileMode, 101c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy SkMatrix* matrix, bool hasAlpha); 102d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 103e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy void drawText(const char* text, int bytesCount, int count, float x, float y, SkPaint* paint); 104694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 10508ae317c21ec3086b5017672bba87420cc38a407Romain Guyprivate: 1065cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 107d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Type of Skia shader in use. 108d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy */ 109d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy enum ShaderType { 110d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy kShaderNone, 111d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy kShaderBitmap, 112d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy kShaderLinearGradient, 113d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy kShaderCircularGradient, 114d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy kShaderSweepGradient 115d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy }; 116d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 117d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy /** 1185cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Saves the current state of the renderer as a new snapshot. 1195cbbce535744b89df5ecea95de21ee3733298260Romain Guy * The new snapshot is saved in mSnapshot and the previous snapshot 1205cbbce535744b89df5ecea95de21ee3733298260Romain Guy * is linked from mSnapshot->previous. 1215cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1225cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @return The new save count. This value can be passed to #restoreToCount() 1235cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 124bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int saveSnapshot(); 1255cbbce535744b89df5ecea95de21ee3733298260Romain Guy 1265cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1275cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Restores the current snapshot; mSnapshot becomes mSnapshot->previous. 1285cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1295cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @return True if the clip should be also reapplied by calling 1305cbbce535744b89df5ecea95de21ee3733298260Romain Guy * #setScissorFromClip(). 1315cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 132bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy bool restoreSnapshot(); 133bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1345cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1355cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Sets the clipping rectangle using glScissor. The clip is defined by 1365cbbce535744b89df5ecea95de21ee3733298260Romain Guy * the current snapshot's clipRect member. 1375cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 138bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void setScissorFromClip(); 139bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1405cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 141d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Compose the layer defined in the current snapshot with the layer 142d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * defined by the previous snapshot. 143d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 144d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * The current snapshot *must* be a layer (flag kFlagIsLayer set.) 145d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 146d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param curent The current snapshot containing the layer to compose 147d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param previous The previous snapshot to compose the current layer with 148d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 149d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy void composeLayer(sp<Snapshot> current, sp<Snapshot> previous); 150d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 151d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 152d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Creates a new layer stored in the specified snapshot. 153d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 154d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param snapshot The snapshot associated with the new layer 155d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param left The left coordinate of the layer 156d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param top The top coordinate of the layer 157d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param right The right coordinate of the layer 158d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param bottom The bottom coordinate of the layer 159d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param alpha The translucency of the layer 160d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode of the layer 161d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param flags The layer save flags 162d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 163d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @return True if the layer was successfully created, false otherwise 164d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 165d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy bool createLayer(sp<Snapshot> snapshot, float left, float top, float right, float bottom, 166d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy int alpha, SkXfermode::Mode mode, int flags); 167d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 168d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 1695cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a colored rectangle with the specified color. The specified coordinates 1705cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 1715cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1725cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 1735cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 1745cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 1755cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 1765cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param color The rectangle's ARGB color, defined as a packed 32 bits word 177026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param mode The Skia xfermode to use 1783d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy * @param ignoreTransform True if the current transform should be ignored 1795cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 180026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void drawColorRect(float left, float top, float right, float bottom, 1813d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform = false); 1825cbbce535744b89df5ecea95de21ee3733298260Romain Guy 1835cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1845cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 1855cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 1865cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1875cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 1885cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 1895cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 1905cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 1915cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param texture The texture name to map onto the rectangle 1925cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 193d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode 194c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy * @param blend True if the texture contains an alpha channel 1955cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 196bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy void drawTextureRect(float left, float top, float right, float bottom, GLuint texture, 197a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend); 198c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 199026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy /** 20082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 20182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * are transformed by the current snapshot's transform matrix. 20282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 20382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 20482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 20582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 20682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 20782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture to use 20882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param paint The paint containing the alpha, blending mode, etc. 20982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 210a979474f15b454c8e2963f239a3770e200bb227cRomain Guy void drawTextureRect(float left, float top, float right, float bottom, 211a979474f15b454c8e2963f239a3770e200bb227cRomain Guy const Texture* texture, const SkPaint* paint); 21282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 21382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy /** 21482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Draws a textured mesh with the specified texture. If the indices are omitted, the 21582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * mesh is drawn as a simple quad. 21682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 21782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 21882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 21982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 22082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 22182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture name to map onto the rectangle 22282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 22382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param mode The blending mode 22482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param blend True if the texture contains an alpha channel 22582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param vertices The vertices that define the mesh 22682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texCoords The texture coordinates of each vertex 22782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param indices The indices of the vertices, can be NULL 22882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param elementsCount The number of elements in the mesh, required by indices 229f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy */ 230f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture, 231a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend, 232f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy GLvoid* vertices, GLvoid* texCoords, GLvoid* indices, GLsizei elementsCount = 0); 233f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 234f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 235d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Fills the specified rectangle with the currently set bitmap shader. 236d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * 237d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param left The left coordinate of the rectangle 238d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param top The top coordinate of the rectangle 239d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param right The right coordinate of the rectangle 240d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param bottom The bottom coordinate of the rectangle 241d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 242d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param mode The blending mode 243d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy */ 244d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy void drawBitmapShader(float left, float top, float right, float bottom, float alpha, 245d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy SkXfermode::Mode mode); 246d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 247d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy /** 248c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy * Fills the specified rectangle with the currently set linear gradient shader. 249c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy * 250c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy * @param left The left coordinate of the rectangle 251c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy * @param top The top coordinate of the rectangle 252c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy * @param right The right coordinate of the rectangle 253c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy * @param bottom The bottom coordinate of the rectangle 254c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 255c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy * @param mode The blending mode 256c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy */ 257c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy void drawLinearGradientShader(float left, float top, float right, float bottom, float alpha, 258c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy SkXfermode::Mode mode); 259c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 260c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy /** 261ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Resets the texture coordinates stored in mMeshVertices. Setting the values 262026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * back to default is achieved by calling: 263026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 2648ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 265026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 266026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u1 The left coordinate of the texture 267026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v1 The bottom coordinate of the texture 268026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u2 The right coordinate of the texture 269026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v2 The top coordinate of the texture 270026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy */ 271026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void resetDrawTextureTexCoords(float u1, float v1, float u2, float v2); 272026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2738ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy /** 2748ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * Gets the alpha and xfermode out of a paint object. If the paint is null 2758ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * alpha will be 255 and the xfermode will be SRC_OVER. 2768ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * 2778ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param paint The paint to extract values from 2788ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param alpha Where to store the resulting alpha 2798ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param mode Where to store the resulting xfermode 2808ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy */ 2818ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy inline void getAlphaAndMode(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode); 2828ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 283f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 284a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy * Binds the specified texture with the specified wrap modes. 285a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy */ 286889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline void bindTexture(GLuint texture, GLenum wrapS, GLenum wrapT, GLuint textureUnit = 0); 287a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 288a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy /** 28982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Enable or disable blending as necessary. This function sets the appropriate 29082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * blend function based on the specified xfermode. 29182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 292a979474f15b454c8e2963f239a3770e200bb227cRomain Guy inline void chooseBlending(bool blend, SkXfermode::Mode mode, bool isPremultiplied = true); 29382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 294260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy /** 295d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Use the specified program with the current GL context. If the program is already 296d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * in use, it will not be bound again. If it is not in use, the current program is 297d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * marked unused and the specified program becomes used and becomes the new 298d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * current program. 2996926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy * 300d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param program The program to use 301d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * 302d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @return true If the specified program was already in use, false otherwise. 303260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy */ 304889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline bool useProgram(Program* program); 305260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 306bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Dimensions of the drawing surface 307bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mWidth, mHeight; 308bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 30985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy // Matrix used for ortho projection in shaders 310260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mat4 mOrthoMatrix; 311bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 312c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy // Model-view matrix used to position/size objects 313c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy mat4 mModelView; 314c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 315bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Number of saved states 316bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mSaveCount; 317f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy // Base state 318ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy sp<Snapshot> mFirstSnapshot; 319bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Current state 320bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy sp<Snapshot> mSnapshot; 3219d5316e3f56d138504565ff311145ac01621dff4Romain Guy 3229d5316e3f56d138504565ff311145ac01621dff4Romain Guy // Shaders 323889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy Program* mCurrentProgram; 324026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 325026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Used to draw textured quads 326ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex mMeshVertices[4]; 327ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 32882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // Last known blend state 32982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy bool mBlend; 33082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy GLenum mLastSrcMode; 33182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy GLenum mLastDstMode; 33282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 3337fac2e18339f765320d759e8d4c090f92431959eRomain Guy // Skia shaders 334d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy ShaderType mShader; 335f9764a4f532561f6e2e985ff3b25112f1132ce44Romain Guy SkShader* mShaderKey; 336d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy bool mShaderBlend; 337a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy GLenum mShaderTileX; 338a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy GLenum mShaderTileY; 339d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy SkMatrix* mShaderMatrix; 3407fac2e18339f765320d759e8d4c090f92431959eRomain Guy // Bitmaps 3417fac2e18339f765320d759e8d4c090f92431959eRomain Guy SkBitmap* mShaderBitmap; 3427fac2e18339f765320d759e8d4c090f92431959eRomain Guy // Gradients 3437fac2e18339f765320d759e8d4c090f92431959eRomain Guy float* mShaderBounds; 3447fac2e18339f765320d759e8d4c090f92431959eRomain Guy uint32_t* mShaderColors; 3457fac2e18339f765320d759e8d4c090f92431959eRomain Guy float* mShaderPositions; 346c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy int mShaderCount; 347d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 34851769a68a5cb34e9564740c6a854fcb93018789dRomain Guy // GL extensions 34951769a68a5cb34e9564740c6a854fcb93018789dRomain Guy Extensions mExtensions; 35051769a68a5cb34e9564740c6a854fcb93018789dRomain Guy 351694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Font renderer 352694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy FontRenderer mFontRenderer; 353694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 35482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // Various caches 355ce0537b80087a6225273040a987414b1dd081aa0Romain Guy TextureCache mTextureCache; 356dda570201ac851dd85af3861f7e575721d3345daRomain Guy LayerCache mLayerCache; 357c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy GradientCache mGradientCache; 358ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy ProgramCache mProgramCache; 359f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy PatchCache mPatchCache; 360bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy}; // class OpenGLRenderer 361e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 3629d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 363e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 364e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 3659d5316e3f56d138504565ff311145ac01621dff4Romain Guy#endif // ANDROID_UI_OPENGL_RENDERER_H 366