OpenGLRenderer.h revision 6820ac8b14b4558f5d8b833dde80895306a3e137
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> 328694230ff25fa0a60e480d424843e56b718f0516Romain Guy#include <utils/Vector.h> 33bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 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 515cbbce535744b89df5ecea95de21ee3733298260Romain Guy/** 525cbbce535744b89df5ecea95de21ee3733298260Romain Guy * OpenGL renderer used to draw accelerated 2D graphics. The API is a 535cbbce535744b89df5ecea95de21ee3733298260Romain Guy * simplified version of Skia's Canvas API. 545cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 5585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyclass OpenGLRenderer { 56e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guypublic: 5785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy OpenGLRenderer(); 5885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy ~OpenGLRenderer(); 59e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 60e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy void setViewport(int width, int height); 61e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy void prepare(); 62da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy void acquireContext(); 63da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy void releaseContext(); 6408ae317c21ec3086b5017672bba87420cc38a407Romain Guy 65bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int getSaveCount() const; 66bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int save(int flags); 67bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void restore(); 68bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void restoreToCount(int saveCount); 69bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 70bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int saveLayer(float left, float top, float right, float bottom, const SkPaint* p, int flags); 71bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int saveLayerAlpha(float left, float top, float right, float bottom, int alpha, int flags); 72bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 73f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void translate(float dx, float dy); 74f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void rotate(float degrees); 75f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void scale(float sx, float sy); 76f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 77f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void setMatrix(SkMatrix* matrix); 78f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void getMatrix(SkMatrix* matrix); 79f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void concatMatrix(SkMatrix* matrix); 80f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 819d5316e3f56d138504565ff311145ac01621dff4Romain Guy const Rect& getClipBounds(); 82c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy bool quickReject(float left, float top, float right, float bottom); 83079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipRect(float left, float top, float right, float bottom, SkRegion::Op op); 84bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 85c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy void drawBitmap(SkBitmap* bitmap, float left, float top, const SkPaint* paint); 86f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy void drawBitmap(SkBitmap* bitmap, const SkMatrix* matrix, const SkPaint* paint); 878ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy void drawBitmap(SkBitmap* bitmap, float srcLeft, float srcTop, float srcRight, float srcBottom, 88f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, const SkPaint* paint); 89deba785f122a47915756ffd991f5540d952cf937Romain Guy void drawPatch(SkBitmap* bitmap, Res_png_9patch* patch, float left, float top, 90deba785f122a47915756ffd991f5540d952cf937Romain Guy float right, float bottom, const SkPaint* paint); 9185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy void drawColor(int color, SkXfermode::Mode mode); 92bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy void drawRect(float left, float top, float right, float bottom, const SkPaint* paint); 937fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy void drawPath(SkPath* path, SkPaint* paint); 9485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 95d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy void resetShader(); 9606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy void setupShader(SkiaShader* shader); 97d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 98db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy void resetColorFilter(); 99db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy void setupColorFilter(SkiaColorFilter* filter); 100db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1011e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy void resetShadow(); 1021e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy void setupShadow(float radius, float dx, float dy, int color); 1031e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 104e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy void drawText(const char* text, int bytesCount, int count, float x, float y, SkPaint* paint); 105694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 10608ae317c21ec3086b5017672bba87420cc38a407Romain Guyprivate: 1075cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1085cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Saves the current state of the renderer as a new snapshot. 1095cbbce535744b89df5ecea95de21ee3733298260Romain Guy * The new snapshot is saved in mSnapshot and the previous snapshot 1105cbbce535744b89df5ecea95de21ee3733298260Romain Guy * is linked from mSnapshot->previous. 1115cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1128aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * @param flags The save flags; see SkCanvas for more information 1138aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * 1145cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @return The new save count. This value can be passed to #restoreToCount() 1155cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 1168aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy int saveSnapshot(int flags); 1175cbbce535744b89df5ecea95de21ee3733298260Romain Guy 1185cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1195cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Restores the current snapshot; mSnapshot becomes mSnapshot->previous. 1205cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1212542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy * @return True if the clip was modified. 1225cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 123bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy bool restoreSnapshot(); 124bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1255cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1265cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Sets the clipping rectangle using glScissor. The clip is defined by 1275cbbce535744b89df5ecea95de21ee3733298260Romain Guy * the current snapshot's clipRect member. 1285cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 129bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void setScissorFromClip(); 130bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1315cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 132d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Compose the layer defined in the current snapshot with the layer 133d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * defined by the previous snapshot. 134d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 135d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * The current snapshot *must* be a layer (flag kFlagIsLayer set.) 136d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 137d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param curent The current snapshot containing the layer to compose 138d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param previous The previous snapshot to compose the current layer with 139d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 140d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy void composeLayer(sp<Snapshot> current, sp<Snapshot> previous); 141d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 142d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 143d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Creates a new layer stored in the specified snapshot. 144d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 145d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param snapshot The snapshot associated with the new layer 146d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param left The left coordinate of the layer 147d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param top The top coordinate of the layer 148d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param right The right coordinate of the layer 149d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param bottom The bottom coordinate of the layer 150d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param alpha The translucency of the layer 151d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode of the layer 152d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param flags The layer save flags 153d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 154d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @return True if the layer was successfully created, false otherwise 155d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 156d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy bool createLayer(sp<Snapshot> snapshot, float left, float top, float right, float bottom, 157d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy int alpha, SkXfermode::Mode mode, int flags); 158d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 159d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 1608694230ff25fa0a60e480d424843e56b718f0516Romain Guy * Clears all the regions corresponding to the current list of layers. 1618694230ff25fa0a60e480d424843e56b718f0516Romain Guy * This method MUST be invoked before any drawing operation. 1628694230ff25fa0a60e480d424843e56b718f0516Romain Guy */ 1638694230ff25fa0a60e480d424843e56b718f0516Romain Guy void clearLayerRegions(); 1648694230ff25fa0a60e480d424843e56b718f0516Romain Guy 1658694230ff25fa0a60e480d424843e56b718f0516Romain Guy /** 1665cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a colored rectangle with the specified color. The specified coordinates 1675cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 1685cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1695cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 1705cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 1715cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 1725cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 1735cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param color The rectangle's ARGB color, defined as a packed 32 bits word 174026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param mode The Skia xfermode to use 1753d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy * @param ignoreTransform True if the current transform should be ignored 176f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @paran ignoreBlending True if the blending is set by the caller 1775cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 178026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void drawColorRect(float left, float top, float right, float bottom, 1791c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform = false); 1805cbbce535744b89df5ecea95de21ee3733298260Romain Guy 1815cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1825cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 1835cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 1845cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1855cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 1865cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 1875cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 1885cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 1895cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param texture The texture name to map onto the rectangle 1905cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 191d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode 192c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy * @param blend True if the texture contains an alpha channel 1935cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 194bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy void drawTextureRect(float left, float top, float right, float bottom, GLuint texture, 195a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend); 196c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 197026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy /** 19882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 19982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * are transformed by the current snapshot's transform matrix. 20082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 20182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 20282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 20382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 20482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 20582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture to use 20682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param paint The paint containing the alpha, blending mode, etc. 20782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 208a979474f15b454c8e2963f239a3770e200bb227cRomain Guy void drawTextureRect(float left, float top, float right, float bottom, 209a979474f15b454c8e2963f239a3770e200bb227cRomain Guy const Texture* texture, const SkPaint* paint); 21082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 21182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy /** 21282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Draws a textured mesh with the specified texture. If the indices are omitted, the 21382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * mesh is drawn as a simple quad. 21482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 21582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 21682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 21782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 21882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 21982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture name to map onto the rectangle 22082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 22182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param mode The blending mode 22282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param blend True if the texture contains an alpha channel 22382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param vertices The vertices that define the mesh 22482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texCoords The texture coordinates of each vertex 22582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param indices The indices of the vertices, can be NULL 22682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param elementsCount The number of elements in the mesh, required by indices 227f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param swapSrcDst Whether or not the src and dst blending operations should be swapped 228f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param ignoreTransform True if the current transform should be ignored 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, 2326820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 233f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy bool swapSrcDst = false, bool ignoreTransform = false); 234f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 235f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 2360a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Prepares the renderer to draw the specified shadow. 2371e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * 2381e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param texture The shadow texture 2391e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param x The x coordinate of the shadow 2401e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param y The y coordinate of the shadow 2411e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param mode The blending mode 2422542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy * @param alpha The alpha value 2431e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy */ 2442542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy void setupShadow(const ShadowTexture* texture, float x, float y, SkXfermode::Mode mode, 2452542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy float alpha); 2461e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 2471e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy /** 2480a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Prepares the renderer to draw the specified Alpha8 texture as a rectangle. 2491e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * 2501e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param texture The texture to render with 2511e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param textureUnit The texture unit to use, may be modified 2521e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param x The x coordinate of the rectangle to draw 2531e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param y The y coordinate of the rectangle to draw 2541e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param r The red component of the color 2551e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param g The green component of the color 2561e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param b The blue component of the color 2571e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param a The alpha component of the color 2581e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param mode The blending mode 2590a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param transforms True if the matrix passed to the shader should be multiplied 2600a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * by the model-view matrix 2611e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param applyFilters Whether or not to take color filters and 2621e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * shaders into account 2631e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy */ 2640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy void setupTextureAlpha8(const Texture* texture, GLuint& textureUnit, float x, float y, 2650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float r, float g, float b, float a, SkXfermode::Mode mode, bool transforms, 2660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy bool applyFilters); 2670a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2680a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy /** 2690a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Prepares the renderer to draw the specified Alpha8 texture as a rectangle. 2700a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * 2710a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param texture The texture to render with 2720a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param width The width of the texture 2730a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param height The height of the texture 2740a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param textureUnit The texture unit to use, may be modified 2750a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param x The x coordinate of the rectangle to draw 2760a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param y The y coordinate of the rectangle to draw 2770a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param r The red component of the color 2780a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param g The green component of the color 2790a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param b The blue component of the color 2800a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param a The alpha component of the color 2810a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param mode The blending mode 2820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param transforms True if the matrix passed to the shader should be multiplied 2830a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * by the model-view matrix 2840a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param applyFilters Whether or not to take color filters and 2850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * shaders into account 2860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy */ 2870a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy void setupTextureAlpha8(GLuint texture, uint32_t width, uint32_t height, 2880a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy GLuint& textureUnit, float x, float y, float r, float g, float b, float a, 2890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy SkXfermode::Mode mode, bool transforms, bool applyFilters); 2900a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2910a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy /** 2920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Draws text underline and strike-through if needed. 2930a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * 2940a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param text The text to decor 2950a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param bytesCount The number of bytes in the text 2960a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param length The length in pixels of the text, can be <= 0.0f to force a measurement 2970a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param x The x coordinate where the text will be drawn 2980a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param y The y coordinate where the text will be drawn 2990a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param paint The paint to draw the text with 3000a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy */ 3010a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy void drawTextDecorations(const char* text, int bytesCount, float length, 3020a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint); 3031e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 3041e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy /** 305ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Resets the texture coordinates stored in mMeshVertices. Setting the values 306026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * back to default is achieved by calling: 307026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 3088ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 309026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 310026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u1 The left coordinate of the texture 311026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v1 The bottom coordinate of the texture 312026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u2 The right coordinate of the texture 313026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v2 The top coordinate of the texture 314026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy */ 315026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void resetDrawTextureTexCoords(float u1, float v1, float u2, float v2); 316026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 3178ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy /** 3188ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * Gets the alpha and xfermode out of a paint object. If the paint is null 3198ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * alpha will be 255 and the xfermode will be SRC_OVER. 3208ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * 3218ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param paint The paint to extract values from 3228ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param alpha Where to store the resulting alpha 3238ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param mode Where to store the resulting xfermode 3248ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy */ 3258ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy inline void getAlphaAndMode(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode); 3268ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 327f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 328a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy * Binds the specified texture with the specified wrap modes. 329a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy */ 330889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline void bindTexture(GLuint texture, GLenum wrapS, GLenum wrapT, GLuint textureUnit = 0); 331a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 332a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy /** 33382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Enable or disable blending as necessary. This function sets the appropriate 33482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * blend function based on the specified xfermode. 33582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 336f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy inline void chooseBlending(bool blend, SkXfermode::Mode mode, ProgramDescription& description, 337f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy bool swapSrcDst = false); 338a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 339f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy /** 340f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * Safely retrieves the mode from the specified xfermode. If the specified 341f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * xfermode is null, the mode is assumed to be SkXfermode::kSrcOver_Mode. 342f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy */ 343a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy inline SkXfermode::Mode getXfermode(SkXfermode* mode); 34482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 345260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy /** 346d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Use the specified program with the current GL context. If the program is already 347d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * in use, it will not be bound again. If it is not in use, the current program is 348d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * marked unused and the specified program becomes used and becomes the new 349d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * current program. 3506926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy * 351d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param program The program to use 352d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * 353d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @return true If the specified program was already in use, false otherwise. 354260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy */ 355889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline bool useProgram(Program* program); 356260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 357bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Dimensions of the drawing surface 358bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mWidth, mHeight; 359bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 36085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy // Matrix used for ortho projection in shaders 361260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mat4 mOrthoMatrix; 362bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 363c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy // Model-view matrix used to position/size objects 364c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy mat4 mModelView; 365c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 366bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Number of saved states 367bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mSaveCount; 368f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy // Base state 369ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy sp<Snapshot> mFirstSnapshot; 370bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Current state 371bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy sp<Snapshot> mSnapshot; 3729d5316e3f56d138504565ff311145ac01621dff4Romain Guy 3739d5316e3f56d138504565ff311145ac01621dff4Romain Guy // Shaders 37406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkiaShader* mShader; 375026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 376db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy // Color filters 377db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy SkiaColorFilter* mColorFilter; 378db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 379026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Used to draw textured quads 380ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex mMeshVertices[4]; 381ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 38251769a68a5cb34e9564740c6a854fcb93018789dRomain Guy // GL extensions 38351769a68a5cb34e9564740c6a854fcb93018789dRomain Guy Extensions mExtensions; 38451769a68a5cb34e9564740c6a854fcb93018789dRomain Guy 3851e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy // Drop shadow 3861e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy bool mHasShadow; 3871e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowRadius; 3881e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDx; 3891e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDy; 3901e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy int mShadowColor; 3911e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 39282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // Various caches 393fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy Caches& mCaches; 3948694230ff25fa0a60e480d424843e56b718f0516Romain Guy 3958694230ff25fa0a60e480d424843e56b718f0516Romain Guy // List of rectangles to clear due to calls to saveLayer() 3968694230ff25fa0a60e480d424843e56b718f0516Romain Guy Vector<Rect*> mLayers; 3978694230ff25fa0a60e480d424843e56b718f0516Romain Guy 398bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy}; // class OpenGLRenderer 399e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 4009d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 401e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 402e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 4039d5316e3f56d138504565ff311145ac01621dff4Romain Guy#endif // ANDROID_UI_OPENGL_RENDERER_H 404