OpenGLRenderer.h revision 7fbcc0492fca03857e3c45064f4aa040af817d55
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" 48bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 49e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 509d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 51e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 52f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 53f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Renderer 54f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 55f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 565cbbce535744b89df5ecea95de21ee3733298260Romain Guy/** 575cbbce535744b89df5ecea95de21ee3733298260Romain Guy * OpenGL renderer used to draw accelerated 2D graphics. The API is a 585cbbce535744b89df5ecea95de21ee3733298260Romain Guy * simplified version of Skia's Canvas API. 595cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 6085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyclass OpenGLRenderer { 61e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guypublic: 6285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy OpenGLRenderer(); 6385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy ~OpenGLRenderer(); 64e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 65e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy void setViewport(int width, int height); 66e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy void prepare(); 6708ae317c21ec3086b5017672bba87420cc38a407Romain Guy 68bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int getSaveCount() const; 69bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int save(int flags); 70bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void restore(); 71bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void restoreToCount(int saveCount); 72bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 73bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int saveLayer(float left, float top, float right, float bottom, const SkPaint* p, int flags); 74bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int saveLayerAlpha(float left, float top, float right, float bottom, int alpha, int flags); 75bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 76f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void translate(float dx, float dy); 77f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void rotate(float degrees); 78f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void scale(float sx, float sy); 79f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 80f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void setMatrix(SkMatrix* matrix); 81f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void getMatrix(SkMatrix* matrix); 82f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void concatMatrix(SkMatrix* matrix); 83f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 849d5316e3f56d138504565ff311145ac01621dff4Romain Guy const Rect& getClipBounds(); 85c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy bool quickReject(float left, float top, float right, float bottom); 86079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipRect(float left, float top, float right, float bottom, SkRegion::Op op); 87bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 88c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy void drawBitmap(SkBitmap* bitmap, float left, float top, const SkPaint* paint); 89f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy void drawBitmap(SkBitmap* bitmap, const SkMatrix* matrix, const SkPaint* paint); 908ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy void drawBitmap(SkBitmap* bitmap, float srcLeft, float srcTop, float srcRight, float srcBottom, 91f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, const SkPaint* paint); 92deba785f122a47915756ffd991f5540d952cf937Romain Guy void drawPatch(SkBitmap* bitmap, Res_png_9patch* patch, float left, float top, 93deba785f122a47915756ffd991f5540d952cf937Romain Guy float right, float bottom, const SkPaint* paint); 9485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy void drawColor(int color, SkXfermode::Mode mode); 95bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy void drawRect(float left, float top, float right, float bottom, const SkPaint* paint); 967fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy void drawPath(SkPath* path, SkPaint* paint); 9785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 98d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy void resetShader(); 9906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy void setupShader(SkiaShader* shader); 100d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 101db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy void resetColorFilter(); 102db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy void setupColorFilter(SkiaColorFilter* filter); 103db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain 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 * 1125cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @return The new save count. This value can be passed to #restoreToCount() 1135cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 114bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int saveSnapshot(); 1155cbbce535744b89df5ecea95de21ee3733298260Romain Guy 1165cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1175cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Restores the current snapshot; mSnapshot becomes mSnapshot->previous. 1185cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1195cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @return True if the clip should be also reapplied by calling 1205cbbce535744b89df5ecea95de21ee3733298260Romain Guy * #setScissorFromClip(). 1215cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 122bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy bool restoreSnapshot(); 123bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1245cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1255cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Sets the clipping rectangle using glScissor. The clip is defined by 1265cbbce535744b89df5ecea95de21ee3733298260Romain Guy * the current snapshot's clipRect member. 1275cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 128bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void setScissorFromClip(); 129bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1305cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 131d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Compose the layer defined in the current snapshot with the layer 132d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * defined by the previous snapshot. 133d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 134d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * The current snapshot *must* be a layer (flag kFlagIsLayer set.) 135d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 136d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param curent The current snapshot containing the layer to compose 137d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param previous The previous snapshot to compose the current layer with 138d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 139d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy void composeLayer(sp<Snapshot> current, sp<Snapshot> previous); 140d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 141d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 142d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Creates a new layer stored in the specified snapshot. 143d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 144d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param snapshot The snapshot associated with the new layer 145d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param left The left coordinate of the layer 146d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param top The top coordinate of the layer 147d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param right The right coordinate of the layer 148d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param bottom The bottom coordinate of the layer 149d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param alpha The translucency of the layer 150d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode of the layer 151d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param flags The layer save flags 152d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 153d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @return True if the layer was successfully created, false otherwise 154d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 155d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy bool createLayer(sp<Snapshot> snapshot, float left, float top, float right, float bottom, 156d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy int alpha, SkXfermode::Mode mode, int flags); 157d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 158d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 1595cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a colored rectangle with the specified color. The specified coordinates 1605cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 1615cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1625cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 1635cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 1645cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 1655cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 1665cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param color The rectangle's ARGB color, defined as a packed 32 bits word 167026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param mode The Skia xfermode to use 1683d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy * @param ignoreTransform True if the current transform should be ignored 1695cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 170026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void drawColorRect(float left, float top, float right, float bottom, 1713d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform = false); 1725cbbce535744b89df5ecea95de21ee3733298260Romain Guy 1735cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1745cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 1755cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 1765cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1775cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 1785cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 1795cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 1805cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 1815cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param texture The texture name to map onto the rectangle 1825cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 183d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode 184c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy * @param blend True if the texture contains an alpha channel 1855cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 186bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy void drawTextureRect(float left, float top, float right, float bottom, GLuint texture, 187a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend); 188c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 189026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy /** 19082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 19182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * are transformed by the current snapshot's transform matrix. 19282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 19382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 19482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 19582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 19682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 19782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture to use 19882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param paint The paint containing the alpha, blending mode, etc. 19982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 200a979474f15b454c8e2963f239a3770e200bb227cRomain Guy void drawTextureRect(float left, float top, float right, float bottom, 201a979474f15b454c8e2963f239a3770e200bb227cRomain Guy const Texture* texture, const SkPaint* paint); 20282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 20382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy /** 20482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Draws a textured mesh with the specified texture. If the indices are omitted, the 20582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * mesh is drawn as a simple quad. 20682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 20782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 20882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 20982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 21082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 21182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture name to map onto the rectangle 21282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 21382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param mode The blending mode 21482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param blend True if the texture contains an alpha channel 21582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param vertices The vertices that define the mesh 21682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texCoords The texture coordinates of each vertex 21782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param indices The indices of the vertices, can be NULL 21882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param elementsCount The number of elements in the mesh, required by indices 219f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy */ 220f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture, 221a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend, 222f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy GLvoid* vertices, GLvoid* texCoords, GLvoid* indices, GLsizei elementsCount = 0); 223f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 224f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 225ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Resets the texture coordinates stored in mMeshVertices. Setting the values 226026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * back to default is achieved by calling: 227026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 2288ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 229026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 230026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u1 The left coordinate of the texture 231026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v1 The bottom coordinate of the texture 232026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u2 The right coordinate of the texture 233026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v2 The top coordinate of the texture 234026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy */ 235026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void resetDrawTextureTexCoords(float u1, float v1, float u2, float v2); 236026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2378ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy /** 2388ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * Gets the alpha and xfermode out of a paint object. If the paint is null 2398ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * alpha will be 255 and the xfermode will be SRC_OVER. 2408ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * 2418ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param paint The paint to extract values from 2428ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param alpha Where to store the resulting alpha 2438ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param mode Where to store the resulting xfermode 2448ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy */ 2458ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy inline void getAlphaAndMode(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode); 2468ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 247f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 248a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy * Binds the specified texture with the specified wrap modes. 249a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy */ 250889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline void bindTexture(GLuint texture, GLenum wrapS, GLenum wrapT, GLuint textureUnit = 0); 251a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 252a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy /** 25382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Enable or disable blending as necessary. This function sets the appropriate 25482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * blend function based on the specified xfermode. 25582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 256a979474f15b454c8e2963f239a3770e200bb227cRomain Guy inline void chooseBlending(bool blend, SkXfermode::Mode mode, bool isPremultiplied = true); 25782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 258260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy /** 259d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Use the specified program with the current GL context. If the program is already 260d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * in use, it will not be bound again. If it is not in use, the current program is 261d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * marked unused and the specified program becomes used and becomes the new 262d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * current program. 2636926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy * 264d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param program The program to use 265d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * 266d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @return true If the specified program was already in use, false otherwise. 267260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy */ 268889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline bool useProgram(Program* program); 269260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 270bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Dimensions of the drawing surface 271bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mWidth, mHeight; 272bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 27385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy // Matrix used for ortho projection in shaders 274260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mat4 mOrthoMatrix; 275bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 276c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy // Model-view matrix used to position/size objects 277c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy mat4 mModelView; 278c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 279bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Number of saved states 280bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mSaveCount; 281f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy // Base state 282ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy sp<Snapshot> mFirstSnapshot; 283bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Current state 284bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy sp<Snapshot> mSnapshot; 2859d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2869d5316e3f56d138504565ff311145ac01621dff4Romain Guy // Shaders 287889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy Program* mCurrentProgram; 28806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkiaShader* mShader; 289026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 290db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy // Color filters 291db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy SkiaColorFilter* mColorFilter; 292db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 293026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Used to draw textured quads 294ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex mMeshVertices[4]; 295ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 29682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // Last known blend state 29782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy bool mBlend; 29882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy GLenum mLastSrcMode; 29982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy GLenum mLastDstMode; 30082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 30151769a68a5cb34e9564740c6a854fcb93018789dRomain Guy // GL extensions 30251769a68a5cb34e9564740c6a854fcb93018789dRomain Guy Extensions mExtensions; 30351769a68a5cb34e9564740c6a854fcb93018789dRomain Guy 304694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Font renderer 305694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy FontRenderer mFontRenderer; 306694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 30782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // Various caches 308ce0537b80087a6225273040a987414b1dd081aa0Romain Guy TextureCache mTextureCache; 309dda570201ac851dd85af3861f7e575721d3345daRomain Guy LayerCache mLayerCache; 310c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy GradientCache mGradientCache; 311ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy ProgramCache mProgramCache; 3127fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy PathCache mPathCache; 313f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy PatchCache mPatchCache; 314bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy}; // class OpenGLRenderer 315e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 3169d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 317e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 318e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 3199d5316e3f56d138504565ff311145ac01621dff4Romain Guy#endif // ANDROID_UI_OPENGL_RENDERER_H 320