OpenGLRenderer.h revision 2542d199745cdf3ec910b8e3e4cff5851ed24e9b
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" 4506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy#include "SkiaShader.h" 46db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy#include "SkiaColorFilter.h" 477fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy#include "PathCache.h" 481e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy#include "TextDropShadowCache.h" 49bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 50e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 519d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 52e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 53f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 54f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Renderer 55f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 56f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 575cbbce535744b89df5ecea95de21ee3733298260Romain Guy/** 585cbbce535744b89df5ecea95de21ee3733298260Romain Guy * OpenGL renderer used to draw accelerated 2D graphics. The API is a 595cbbce535744b89df5ecea95de21ee3733298260Romain Guy * simplified version of Skia's Canvas API. 605cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 6185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyclass OpenGLRenderer { 62e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guypublic: 6385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy OpenGLRenderer(); 6485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy ~OpenGLRenderer(); 65e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 66e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy void setViewport(int width, int height); 67e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy void prepare(); 6808ae317c21ec3086b5017672bba87420cc38a407Romain Guy 69bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int getSaveCount() const; 70bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int save(int flags); 71bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void restore(); 72bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void restoreToCount(int saveCount); 73bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 74bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int saveLayer(float left, float top, float right, float bottom, const SkPaint* p, int flags); 75bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int saveLayerAlpha(float left, float top, float right, float bottom, int alpha, int flags); 76bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 77f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void translate(float dx, float dy); 78f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void rotate(float degrees); 79f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void scale(float sx, float sy); 80f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 81f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void setMatrix(SkMatrix* matrix); 82f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void getMatrix(SkMatrix* matrix); 83f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void concatMatrix(SkMatrix* matrix); 84f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 859d5316e3f56d138504565ff311145ac01621dff4Romain Guy const Rect& getClipBounds(); 86c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy bool quickReject(float left, float top, float right, float bottom); 87079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipRect(float left, float top, float right, float bottom, SkRegion::Op op); 88bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 89c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy void drawBitmap(SkBitmap* bitmap, float left, float top, const SkPaint* paint); 90f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy void drawBitmap(SkBitmap* bitmap, const SkMatrix* matrix, const SkPaint* paint); 918ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy void drawBitmap(SkBitmap* bitmap, float srcLeft, float srcTop, float srcRight, float srcBottom, 92f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, const SkPaint* paint); 93deba785f122a47915756ffd991f5540d952cf937Romain Guy void drawPatch(SkBitmap* bitmap, Res_png_9patch* patch, float left, float top, 94deba785f122a47915756ffd991f5540d952cf937Romain Guy float right, float bottom, const SkPaint* paint); 9585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy void drawColor(int color, SkXfermode::Mode mode); 96bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy void drawRect(float left, float top, float right, float bottom, const SkPaint* paint); 977fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy void drawPath(SkPath* path, SkPaint* paint); 9885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 99d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy void resetShader(); 10006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy void setupShader(SkiaShader* shader); 101d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 102db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy void resetColorFilter(); 103db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy void setupColorFilter(SkiaColorFilter* filter); 104db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1051e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy void resetShadow(); 1061e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy void setupShadow(float radius, float dx, float dy, int color); 1071e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 108e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy void drawText(const char* text, int bytesCount, int count, float x, float y, SkPaint* paint); 109694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 11008ae317c21ec3086b5017672bba87420cc38a407Romain Guyprivate: 1115cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1125cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Saves the current state of the renderer as a new snapshot. 1135cbbce535744b89df5ecea95de21ee3733298260Romain Guy * The new snapshot is saved in mSnapshot and the previous snapshot 1145cbbce535744b89df5ecea95de21ee3733298260Romain Guy * is linked from mSnapshot->previous. 1155cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1165cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @return The new save count. This value can be passed to #restoreToCount() 1175cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 118bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int saveSnapshot(); 1195cbbce535744b89df5ecea95de21ee3733298260Romain Guy 1205cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1215cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Restores the current snapshot; mSnapshot becomes mSnapshot->previous. 1225cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1232542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy * @return True if the clip was modified. 1245cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 125bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy bool restoreSnapshot(); 126bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1275cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1285cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Sets the clipping rectangle using glScissor. The clip is defined by 1295cbbce535744b89df5ecea95de21ee3733298260Romain Guy * the current snapshot's clipRect member. 1305cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 131bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void setScissorFromClip(); 132bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1335cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 134d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Compose the layer defined in the current snapshot with the layer 135d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * defined by the previous snapshot. 136d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 137d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * The current snapshot *must* be a layer (flag kFlagIsLayer set.) 138d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 139d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param curent The current snapshot containing the layer to compose 140d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param previous The previous snapshot to compose the current layer with 141d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 142d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy void composeLayer(sp<Snapshot> current, sp<Snapshot> previous); 143d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 144d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 145d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Creates a new layer stored in the specified snapshot. 146d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 147d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param snapshot The snapshot associated with the new layer 148d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param left The left coordinate of the layer 149d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param top The top coordinate of the layer 150d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param right The right coordinate of the layer 151d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param bottom The bottom coordinate of the layer 152d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param alpha The translucency of the layer 153d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode of the layer 154d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param flags The layer save flags 155d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 156d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @return True if the layer was successfully created, false otherwise 157d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 158d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy bool createLayer(sp<Snapshot> snapshot, float left, float top, float right, float bottom, 159d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy int alpha, SkXfermode::Mode mode, int flags); 160d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 161d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 1625cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a colored rectangle with the specified color. The specified coordinates 1635cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 1645cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1655cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 1665cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 1675cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 1685cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 1695cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param color The rectangle's ARGB color, defined as a packed 32 bits word 170026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param mode The Skia xfermode to use 1713d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy * @param ignoreTransform True if the current transform should be ignored 1725cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 173026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void drawColorRect(float left, float top, float right, float bottom, 1743d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform = false); 1755cbbce535744b89df5ecea95de21ee3733298260Romain Guy 1765cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1775cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 1785cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 1795cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1805cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 1815cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 1825cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 1835cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 1845cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param texture The texture name to map onto the rectangle 1855cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 186d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode 187c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy * @param blend True if the texture contains an alpha channel 1885cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 189bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy void drawTextureRect(float left, float top, float right, float bottom, GLuint texture, 190a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend); 191c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 192026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy /** 19382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 19482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * are transformed by the current snapshot's transform matrix. 19582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 19682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 19782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 19882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 19982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 20082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture to use 20182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param paint The paint containing the alpha, blending mode, etc. 20282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 203a979474f15b454c8e2963f239a3770e200bb227cRomain Guy void drawTextureRect(float left, float top, float right, float bottom, 204a979474f15b454c8e2963f239a3770e200bb227cRomain Guy const Texture* texture, const SkPaint* paint); 20582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 20682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy /** 20782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Draws a textured mesh with the specified texture. If the indices are omitted, the 20882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * mesh is drawn as a simple quad. 20982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 21082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 21182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 21282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 21382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 21482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture name to map onto the rectangle 21582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 21682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param mode The blending mode 21782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param blend True if the texture contains an alpha channel 21882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param vertices The vertices that define the mesh 21982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texCoords The texture coordinates of each vertex 22082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param indices The indices of the vertices, can be NULL 22182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param elementsCount The number of elements in the mesh, required by indices 222f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy */ 223f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture, 224a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend, 225f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy GLvoid* vertices, GLvoid* texCoords, GLvoid* indices, GLsizei elementsCount = 0); 226f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 227f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 2280a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Prepares the renderer to draw the specified shadow. 2291e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * 2301e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param texture The shadow texture 2311e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param x The x coordinate of the shadow 2321e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param y The y coordinate of the shadow 2331e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param mode The blending mode 2342542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy * @param alpha The alpha value 2351e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy */ 2362542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy void setupShadow(const ShadowTexture* texture, float x, float y, SkXfermode::Mode mode, 2372542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy float alpha); 2381e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 2391e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy /** 2400a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Prepares the renderer to draw the specified Alpha8 texture as a rectangle. 2411e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * 2421e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param texture The texture to render with 2431e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param textureUnit The texture unit to use, may be modified 2441e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param x The x coordinate of the rectangle to draw 2451e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param y The y coordinate of the rectangle to draw 2461e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param r The red component of the color 2471e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param g The green component of the color 2481e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param b The blue component of the color 2491e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param a The alpha component of the color 2501e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param mode The blending mode 2510a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param transforms True if the matrix passed to the shader should be multiplied 2520a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * by the model-view matrix 2531e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param applyFilters Whether or not to take color filters and 2541e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * shaders into account 2551e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy */ 2560a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy void setupTextureAlpha8(const Texture* texture, GLuint& textureUnit, float x, float y, 2570a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float r, float g, float b, float a, SkXfermode::Mode mode, bool transforms, 2580a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy bool applyFilters); 2590a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2600a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy /** 2610a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Prepares the renderer to draw the specified Alpha8 texture as a rectangle. 2620a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * 2630a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param texture The texture to render with 2640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param width The width of the texture 2650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param height The height of the texture 2660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param textureUnit The texture unit to use, may be modified 2670a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param x The x coordinate of the rectangle to draw 2680a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param y The y coordinate of the rectangle to draw 2690a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param r The red component of the color 2700a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param g The green component of the color 2710a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param b The blue component of the color 2720a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param a The alpha component of the color 2730a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param mode The blending mode 2740a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param transforms True if the matrix passed to the shader should be multiplied 2750a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * by the model-view matrix 2760a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param applyFilters Whether or not to take color filters and 2770a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * shaders into account 2780a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy */ 2790a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy void setupTextureAlpha8(GLuint texture, uint32_t width, uint32_t height, 2800a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy GLuint& textureUnit, float x, float y, float r, float g, float b, float a, 2810a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy SkXfermode::Mode mode, bool transforms, bool applyFilters); 2820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2830a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy /** 2840a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Draws text underline and strike-through if needed. 2850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * 2860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param text The text to decor 2870a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param bytesCount The number of bytes in the text 2880a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param length The length in pixels of the text, can be <= 0.0f to force a measurement 2890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param x The x coordinate where the text will be drawn 2900a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param y The y coordinate where the text will be drawn 2910a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param paint The paint to draw the text with 2920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy */ 2930a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy void drawTextDecorations(const char* text, int bytesCount, float length, 2940a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint); 2951e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 2961e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy /** 297ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Resets the texture coordinates stored in mMeshVertices. Setting the values 298026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * back to default is achieved by calling: 299026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 3008ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 301026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 302026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u1 The left coordinate of the texture 303026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v1 The bottom coordinate of the texture 304026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u2 The right coordinate of the texture 305026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v2 The top coordinate of the texture 306026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy */ 307026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void resetDrawTextureTexCoords(float u1, float v1, float u2, float v2); 308026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 3098ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy /** 3108ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * Gets the alpha and xfermode out of a paint object. If the paint is null 3118ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * alpha will be 255 and the xfermode will be SRC_OVER. 3128ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * 3138ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param paint The paint to extract values from 3148ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param alpha Where to store the resulting alpha 3158ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param mode Where to store the resulting xfermode 3168ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy */ 3178ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy inline void getAlphaAndMode(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode); 3188ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 319f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 320a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy * Binds the specified texture with the specified wrap modes. 321a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy */ 322889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline void bindTexture(GLuint texture, GLenum wrapS, GLenum wrapT, GLuint textureUnit = 0); 323a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 324a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy /** 32582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Enable or disable blending as necessary. This function sets the appropriate 32682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * blend function based on the specified xfermode. 32782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 328a979474f15b454c8e2963f239a3770e200bb227cRomain Guy inline void chooseBlending(bool blend, SkXfermode::Mode mode, bool isPremultiplied = true); 32982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 330260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy /** 331d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Use the specified program with the current GL context. If the program is already 332d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * in use, it will not be bound again. If it is not in use, the current program is 333d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * marked unused and the specified program becomes used and becomes the new 334d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * current program. 3356926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy * 336d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param program The program to use 337d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * 338d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @return true If the specified program was already in use, false otherwise. 339260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy */ 340889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline bool useProgram(Program* program); 341260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 342bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Dimensions of the drawing surface 343bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mWidth, mHeight; 344bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 34585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy // Matrix used for ortho projection in shaders 346260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mat4 mOrthoMatrix; 347bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 348c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy // Model-view matrix used to position/size objects 349c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy mat4 mModelView; 350c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 351bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Number of saved states 352bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mSaveCount; 353f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy // Base state 354ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy sp<Snapshot> mFirstSnapshot; 355bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Current state 356bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy sp<Snapshot> mSnapshot; 3579d5316e3f56d138504565ff311145ac01621dff4Romain Guy 3589d5316e3f56d138504565ff311145ac01621dff4Romain Guy // Shaders 359889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy Program* mCurrentProgram; 36006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkiaShader* mShader; 361026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 362db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy // Color filters 363db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy SkiaColorFilter* mColorFilter; 364db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 365026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Used to draw textured quads 366ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex mMeshVertices[4]; 367ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 36882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // Last known blend state 36982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy bool mBlend; 37082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy GLenum mLastSrcMode; 37182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy GLenum mLastDstMode; 37282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 37351769a68a5cb34e9564740c6a854fcb93018789dRomain Guy // GL extensions 37451769a68a5cb34e9564740c6a854fcb93018789dRomain Guy Extensions mExtensions; 37551769a68a5cb34e9564740c6a854fcb93018789dRomain Guy 376694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Font renderer 377694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy FontRenderer mFontRenderer; 378694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 3791e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy // Drop shadow 3801e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy bool mHasShadow; 3811e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowRadius; 3821e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDx; 3831e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDy; 3841e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy int mShadowColor; 3851e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 38682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // Various caches 387ce0537b80087a6225273040a987414b1dd081aa0Romain Guy TextureCache mTextureCache; 388dda570201ac851dd85af3861f7e575721d3345daRomain Guy LayerCache mLayerCache; 389c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy GradientCache mGradientCache; 390ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy ProgramCache mProgramCache; 3917fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy PathCache mPathCache; 392f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy PatchCache mPatchCache; 3931e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy TextDropShadowCache mDropShadowCache; 394bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy}; // class OpenGLRenderer 395e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 3969d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 397e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 398e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 3999d5316e3f56d138504565ff311145ac01621dff4Romain Guy#endif // ANDROID_UI_OPENGL_RENDERER_H 400