OpenGLRenderer.h revision 06f96e2652e4855b6520ad9dd70583677605b79a
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" 46bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 47e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 489d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 49e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 50f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 51f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Renderer 52f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 53f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 545cbbce535744b89df5ecea95de21ee3733298260Romain Guy/** 555cbbce535744b89df5ecea95de21ee3733298260Romain Guy * OpenGL renderer used to draw accelerated 2D graphics. The API is a 565cbbce535744b89df5ecea95de21ee3733298260Romain Guy * simplified version of Skia's Canvas API. 575cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 5885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyclass OpenGLRenderer { 59e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guypublic: 6085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy OpenGLRenderer(); 6185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy ~OpenGLRenderer(); 62e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 63e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy void setViewport(int width, int height); 64e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy void prepare(); 6508ae317c21ec3086b5017672bba87420cc38a407Romain Guy 66bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int getSaveCount() const; 67bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int save(int flags); 68bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void restore(); 69bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void restoreToCount(int saveCount); 70bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 71bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int saveLayer(float left, float top, float right, float bottom, const SkPaint* p, int flags); 72bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int saveLayerAlpha(float left, float top, float right, float bottom, int alpha, int flags); 73bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 74f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void translate(float dx, float dy); 75f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void rotate(float degrees); 76f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void scale(float sx, float sy); 77f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 78f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void setMatrix(SkMatrix* matrix); 79f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void getMatrix(SkMatrix* matrix); 80f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void concatMatrix(SkMatrix* matrix); 81f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 829d5316e3f56d138504565ff311145ac01621dff4Romain Guy const Rect& getClipBounds(); 83c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy bool quickReject(float left, float top, float right, float bottom); 84079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipRect(float left, float top, float right, float bottom, SkRegion::Op op); 85bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 86c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy void drawBitmap(SkBitmap* bitmap, float left, float top, const SkPaint* paint); 87f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy void drawBitmap(SkBitmap* bitmap, const SkMatrix* matrix, const SkPaint* paint); 888ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy void drawBitmap(SkBitmap* bitmap, float srcLeft, float srcTop, float srcRight, float srcBottom, 89f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, const SkPaint* paint); 90deba785f122a47915756ffd991f5540d952cf937Romain Guy void drawPatch(SkBitmap* bitmap, Res_png_9patch* patch, float left, float top, 91deba785f122a47915756ffd991f5540d952cf937Romain Guy float right, float bottom, const SkPaint* paint); 9285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy void drawColor(int color, SkXfermode::Mode mode); 93bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy void drawRect(float left, float top, float right, float bottom, const SkPaint* paint); 9485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 95d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy void resetShader(); 9606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy void setupShader(SkiaShader* shader); 97d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 98e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy void drawText(const char* text, int bytesCount, int count, float x, float y, SkPaint* paint); 99694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 10008ae317c21ec3086b5017672bba87420cc38a407Romain Guyprivate: 1015cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1025cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Saves the current state of the renderer as a new snapshot. 1035cbbce535744b89df5ecea95de21ee3733298260Romain Guy * The new snapshot is saved in mSnapshot and the previous snapshot 1045cbbce535744b89df5ecea95de21ee3733298260Romain Guy * is linked from mSnapshot->previous. 1055cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1065cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @return The new save count. This value can be passed to #restoreToCount() 1075cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 108bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int saveSnapshot(); 1095cbbce535744b89df5ecea95de21ee3733298260Romain Guy 1105cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1115cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Restores the current snapshot; mSnapshot becomes mSnapshot->previous. 1125cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1135cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @return True if the clip should be also reapplied by calling 1145cbbce535744b89df5ecea95de21ee3733298260Romain Guy * #setScissorFromClip(). 1155cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 116bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy bool restoreSnapshot(); 117bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1185cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1195cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Sets the clipping rectangle using glScissor. The clip is defined by 1205cbbce535744b89df5ecea95de21ee3733298260Romain Guy * the current snapshot's clipRect member. 1215cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 122bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void setScissorFromClip(); 123bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1245cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 125d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Compose the layer defined in the current snapshot with the layer 126d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * defined by the previous snapshot. 127d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 128d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * The current snapshot *must* be a layer (flag kFlagIsLayer set.) 129d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 130d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param curent The current snapshot containing the layer to compose 131d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param previous The previous snapshot to compose the current layer with 132d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 133d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy void composeLayer(sp<Snapshot> current, sp<Snapshot> previous); 134d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 135d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 136d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Creates a new layer stored in the specified snapshot. 137d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 138d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param snapshot The snapshot associated with the new layer 139d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param left The left coordinate of the layer 140d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param top The top coordinate of the layer 141d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param right The right coordinate of the layer 142d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param bottom The bottom coordinate of the layer 143d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param alpha The translucency of the layer 144d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode of the layer 145d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param flags The layer save flags 146d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 147d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @return True if the layer was successfully created, false otherwise 148d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 149d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy bool createLayer(sp<Snapshot> snapshot, float left, float top, float right, float bottom, 150d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy int alpha, SkXfermode::Mode mode, int flags); 151d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 152d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 1535cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a colored rectangle with the specified color. The specified coordinates 1545cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 1555cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1565cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 1575cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 1585cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 1595cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 1605cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param color The rectangle's ARGB color, defined as a packed 32 bits word 161026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param mode The Skia xfermode to use 1623d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy * @param ignoreTransform True if the current transform should be ignored 1635cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 164026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void drawColorRect(float left, float top, float right, float bottom, 1653d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform = false); 1665cbbce535744b89df5ecea95de21ee3733298260Romain Guy 1675cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1685cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 1695cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 1705cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1715cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 1725cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 1735cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 1745cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 1755cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param texture The texture name to map onto the rectangle 1765cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 177d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode 178c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy * @param blend True if the texture contains an alpha channel 1795cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 180bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy void drawTextureRect(float left, float top, float right, float bottom, GLuint texture, 181a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend); 182c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 183026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy /** 18482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 18582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * are transformed by the current snapshot's transform matrix. 18682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 18782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 18882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 18982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 19082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 19182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture to use 19282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param paint The paint containing the alpha, blending mode, etc. 19382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 194a979474f15b454c8e2963f239a3770e200bb227cRomain Guy void drawTextureRect(float left, float top, float right, float bottom, 195a979474f15b454c8e2963f239a3770e200bb227cRomain Guy const Texture* texture, const SkPaint* paint); 19682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 19782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy /** 19882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Draws a textured mesh with the specified texture. If the indices are omitted, the 19982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * mesh is drawn as a simple quad. 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 name to map onto the rectangle 20682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 20782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param mode The blending mode 20882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param blend True if the texture contains an alpha channel 20982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param vertices The vertices that define the mesh 21082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texCoords The texture coordinates of each vertex 21182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param indices The indices of the vertices, can be NULL 21282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param elementsCount The number of elements in the mesh, required by indices 213f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy */ 214f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture, 215a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend, 216f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy GLvoid* vertices, GLvoid* texCoords, GLvoid* indices, GLsizei elementsCount = 0); 217f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 218f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 219ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Resets the texture coordinates stored in mMeshVertices. Setting the values 220026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * back to default is achieved by calling: 221026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 2228ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 223026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 224026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u1 The left coordinate of the texture 225026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v1 The bottom coordinate of the texture 226026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u2 The right coordinate of the texture 227026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v2 The top coordinate of the texture 228026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy */ 229026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void resetDrawTextureTexCoords(float u1, float v1, float u2, float v2); 230026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2318ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy /** 2328ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * Gets the alpha and xfermode out of a paint object. If the paint is null 2338ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * alpha will be 255 and the xfermode will be SRC_OVER. 2348ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * 2358ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param paint The paint to extract values from 2368ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param alpha Where to store the resulting alpha 2378ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param mode Where to store the resulting xfermode 2388ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy */ 2398ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy inline void getAlphaAndMode(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode); 2408ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 241f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 242a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy * Binds the specified texture with the specified wrap modes. 243a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy */ 244889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline void bindTexture(GLuint texture, GLenum wrapS, GLenum wrapT, GLuint textureUnit = 0); 245a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 246a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy /** 24782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Enable or disable blending as necessary. This function sets the appropriate 24882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * blend function based on the specified xfermode. 24982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 250a979474f15b454c8e2963f239a3770e200bb227cRomain Guy inline void chooseBlending(bool blend, SkXfermode::Mode mode, bool isPremultiplied = true); 25182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 252260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy /** 253d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Use the specified program with the current GL context. If the program is already 254d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * in use, it will not be bound again. If it is not in use, the current program is 255d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * marked unused and the specified program becomes used and becomes the new 256d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * current program. 2576926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy * 258d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param program The program to use 259d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * 260d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @return true If the specified program was already in use, false otherwise. 261260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy */ 262889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline bool useProgram(Program* program); 263260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 264bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Dimensions of the drawing surface 265bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mWidth, mHeight; 266bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 26785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy // Matrix used for ortho projection in shaders 268260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mat4 mOrthoMatrix; 269bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 270c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy // Model-view matrix used to position/size objects 271c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy mat4 mModelView; 272c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 273bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Number of saved states 274bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mSaveCount; 275f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy // Base state 276ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy sp<Snapshot> mFirstSnapshot; 277bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Current state 278bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy sp<Snapshot> mSnapshot; 2799d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2809d5316e3f56d138504565ff311145ac01621dff4Romain Guy // Shaders 281889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy Program* mCurrentProgram; 28206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkiaShader* mShader; 283026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 284026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Used to draw textured quads 285ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex mMeshVertices[4]; 286ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 28782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // Last known blend state 28882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy bool mBlend; 28982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy GLenum mLastSrcMode; 29082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy GLenum mLastDstMode; 29182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 29251769a68a5cb34e9564740c6a854fcb93018789dRomain Guy // GL extensions 29351769a68a5cb34e9564740c6a854fcb93018789dRomain Guy Extensions mExtensions; 29451769a68a5cb34e9564740c6a854fcb93018789dRomain Guy 295694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy // Font renderer 296694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy FontRenderer mFontRenderer; 297694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 29882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // Various caches 299ce0537b80087a6225273040a987414b1dd081aa0Romain Guy TextureCache mTextureCache; 300dda570201ac851dd85af3861f7e575721d3345daRomain Guy LayerCache mLayerCache; 301c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy GradientCache mGradientCache; 302ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy ProgramCache mProgramCache; 303f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy PatchCache mPatchCache; 304bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy}; // class OpenGLRenderer 305e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 3069d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 307e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 308e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 3099d5316e3f56d138504565ff311145ac01621dff4Romain Guy#endif // ANDROID_UI_OPENGL_RENDERER_H 310