OpenGLRenderer.h revision 70ca14e08ae197547ac412e8a1210e1ebdfb2eb1
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 175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#ifndef ANDROID_HWUI_OPENGL_RENDERER_H 185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#define ANDROID_HWUI_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> 318694230ff25fa0a60e480d424843e56b718f0516Romain Guy#include <utils/Vector.h> 32bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 33c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#include "Debug.h" 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 510fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guyclass DisplayList; 52b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy 535cbbce535744b89df5ecea95de21ee3733298260Romain Guy/** 545cbbce535744b89df5ecea95de21ee3733298260Romain Guy * OpenGL renderer used to draw accelerated 2D graphics. The API is a 555cbbce535744b89df5ecea95de21ee3733298260Romain Guy * simplified version of Skia's Canvas API. 565cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 5785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyclass OpenGLRenderer { 58e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guypublic: 5985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy OpenGLRenderer(); 60e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual ~OpenGLRenderer(); 61e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 62b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy virtual void setViewport(int width, int height); 63e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 646b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy virtual void prepare(bool opaque); 65e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void finish(); 66e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 674aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void acquireContext(); 684aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void releaseContext(); 6908ae317c21ec3086b5017672bba87420cc38a407Romain Guy 70bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int getSaveCount() const; 714aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual int save(int flags); 724aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void restore(); 734aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void restoreToCount(int saveCount); 74bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 75e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual int saveLayer(float left, float top, float right, float bottom, 765c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags); 77e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual int saveLayerAlpha(float left, float top, float right, float bottom, 78e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy int alpha, int flags); 79bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 804aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void translate(float dx, float dy); 814aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void rotate(float degrees); 824aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void scale(float sx, float sy); 83f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 8441030da16856c8869e1e51d4a0405432fa96614eRomain Guy const float* getMatrix() const; 85f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void getMatrix(SkMatrix* matrix); 864aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setMatrix(SkMatrix* matrix); 874aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void concatMatrix(SkMatrix* matrix); 88f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 899d5316e3f56d138504565ff311145ac01621dff4Romain Guy const Rect& getClipBounds(); 90c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy bool quickReject(float left, float top, float right, float bottom); 914aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual bool clipRect(float left, float top, float right, float bottom, SkRegion::Op op); 92bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 930fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy virtual void drawDisplayList(DisplayList* displayList); 945c13d89c1332fcc499379b9064b891187b75ca32Chet Haase virtual void drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint); 955c13d89c1332fcc499379b9064b891187b75ca32Chet Haase virtual void drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint); 96e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void drawBitmap(SkBitmap* bitmap, float srcLeft, float srcTop, 97e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy float srcRight, float srcBottom, float dstLeft, float dstTop, 985c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float dstRight, float dstBottom, SkPaint* paint); 994aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 1004bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 1015c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint); 102e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void drawColor(int color, SkXfermode::Mode mode); 1035c13d89c1332fcc499379b9064b891187b75ca32Chet Haase virtual void drawRect(float left, float top, float right, float bottom, SkPaint* paint); 104e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void drawPath(SkPath* path, SkPaint* paint); 1055c13d89c1332fcc499379b9064b891187b75ca32Chet Haase virtual void drawLines(float* points, int count, SkPaint* paint); 106e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void drawText(const char* text, int bytesCount, int count, float x, float y, 107e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy SkPaint* paint); 10885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 1094aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShader(); 1104aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShader(SkiaShader* shader); 111d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 1124aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetColorFilter(); 1134aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupColorFilter(SkiaColorFilter* filter); 114db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1154aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShadow(); 1164aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShadow(float radius, float dx, float dy, int color); 1171e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 118e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guyprotected: 119e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy /** 120e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * Compose the layer defined in the current snapshot with the layer 121e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * defined by the previous snapshot. 122e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 123e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * The current snapshot *must* be a layer (flag kFlagIsLayer set.) 124e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 125e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param curent The current snapshot containing the layer to compose 126e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param previous The previous snapshot to compose the current layer with 127e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy */ 128e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void composeLayer(sp<Snapshot> current, sp<Snapshot> previous); 129694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 13008ae317c21ec3086b5017672bba87420cc38a407Romain Guyprivate: 1315cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1325cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Saves the current state of the renderer as a new snapshot. 1335cbbce535744b89df5ecea95de21ee3733298260Romain Guy * The new snapshot is saved in mSnapshot and the previous snapshot 1345cbbce535744b89df5ecea95de21ee3733298260Romain Guy * is linked from mSnapshot->previous. 1355cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1368aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * @param flags The save flags; see SkCanvas for more information 1378aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * 1385cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @return The new save count. This value can be passed to #restoreToCount() 1395cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 1408aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy int saveSnapshot(int flags); 1415cbbce535744b89df5ecea95de21ee3733298260Romain Guy 1425cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1435cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Restores the current snapshot; mSnapshot becomes mSnapshot->previous. 1445cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1452542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy * @return True if the clip was modified. 1465cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 147bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy bool restoreSnapshot(); 148bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1495cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1505cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Sets the clipping rectangle using glScissor. The clip is defined by 1515cbbce535744b89df5ecea95de21ee3733298260Romain Guy * the current snapshot's clipRect member. 1525cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 153bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void setScissorFromClip(); 154bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1555cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 156d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Creates a new layer stored in the specified snapshot. 157d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 158d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param snapshot The snapshot associated with the new layer 159d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param left The left coordinate of the layer 160d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param top The top coordinate of the layer 161d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param right The right coordinate of the layer 162d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param bottom The bottom coordinate of the layer 163d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param alpha The translucency of the layer 164d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode of the layer 165d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param flags The layer save flags 166eb99356a0548684a501766e6a524529ab93304c8Romain Guy * @param previousFbo The name of the current framebuffer 167d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 168d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @return True if the layer was successfully created, false otherwise 169d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 170d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy bool createLayer(sp<Snapshot> snapshot, float left, float top, float right, float bottom, 171eb99356a0548684a501766e6a524529ab93304c8Romain Guy int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo); 172d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 173d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 1745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Creates a new layer stored in the specified snapshot as an FBO. 1755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 1765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to store as an FBO 1775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param snapshot The snapshot associated with the new layer 1785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param bounds The bounds of the layer 1795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param previousFbo The name of the current framebuffer 1805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 1815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 1825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo); 1835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 1855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a region. 1865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 1875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 1885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 1895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 1905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRegion(Layer* layer, const Rect& rect); 1915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 1935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a simple rectangle. 1945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 1955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 1965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 1975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param swap If true, the source and destination are swapped 1985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 1995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRect(Layer* layer, const Rect& rect, bool swap = false); 2005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 2028694230ff25fa0a60e480d424843e56b718f0516Romain Guy * Clears all the regions corresponding to the current list of layers. 2038694230ff25fa0a60e480d424843e56b718f0516Romain Guy * This method MUST be invoked before any drawing operation. 2048694230ff25fa0a60e480d424843e56b718f0516Romain Guy */ 2058694230ff25fa0a60e480d424843e56b718f0516Romain Guy void clearLayerRegions(); 2068694230ff25fa0a60e480d424843e56b718f0516Romain Guy 2078694230ff25fa0a60e480d424843e56b718f0516Romain Guy /** 2085cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a colored rectangle with the specified color. The specified coordinates 2095cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 2105cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 2115cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 2125cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 2135cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 2145cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 2155cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param color The rectangle's ARGB color, defined as a packed 32 bits word 216026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param mode The Skia xfermode to use 2173d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy * @param ignoreTransform True if the current transform should be ignored 2185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param ignoreBlending True if the blending is set by the caller 2195cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 220026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void drawColorRect(float left, float top, float right, float bottom, 2211c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform = false); 2225cbbce535744b89df5ecea95de21ee3733298260Romain Guy 2235cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 2245cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 2255cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 2265cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 2275cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 2285cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 2295cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 2305cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 2315cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param texture The texture name to map onto the rectangle 2325cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 233d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode 234c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy * @param blend True if the texture contains an alpha channel 2355cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 236bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy void drawTextureRect(float left, float top, float right, float bottom, GLuint texture, 237a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend); 238c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 239026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy /** 24082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 24182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * are transformed by the current snapshot's transform matrix. 24282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 24382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 24482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 24582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 24682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 24782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture to use 24882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param paint The paint containing the alpha, blending mode, etc. 24982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 250a979474f15b454c8e2963f239a3770e200bb227cRomain Guy void drawTextureRect(float left, float top, float right, float bottom, 2518164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint); 25282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 25382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy /** 25403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * Draws a textured mesh with the specified texture. If the indices are omitted, 25503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * the mesh is drawn as a simple quad. The mesh pointers become offsets when a 25603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * VBO is bound. 25782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 25882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 25982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 26082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 26182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 26282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture name to map onto the rectangle 26382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 26482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param mode The blending mode 26582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param blend True if the texture contains an alpha channel 26682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param vertices The vertices that define the mesh 26782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texCoords The texture coordinates of each vertex 26882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param elementsCount The number of elements in the mesh, required by indices 269f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param swapSrcDst Whether or not the src and dst blending operations should be swapped 270f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param ignoreTransform True if the current transform should be ignored 27103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * @param vbo The VBO used to draw the mesh 2725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param ignoreScale True if the model view matrix should not be scaled 2735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param dirty True if calling this method should dirty the current layer 274f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy */ 275f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture, 276a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend, 2776820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 2785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, 2795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool ignoreScale = false, bool dirty = true); 280f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 281f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 282746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Prepares the renderer to draw the specified shadow. The active texture 283746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * unit must be 0 and the other units must be unbound. 2841e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * 2851e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param texture The shadow texture 2861e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param x The x coordinate of the shadow 2871e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param y The y coordinate of the shadow 2881e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param mode The blending mode 2892542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy * @param alpha The alpha value 2906620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy * @param ignoreTransforms True if the coordinates are already in screen space 2911e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy */ 2922542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy void setupShadow(const ShadowTexture* texture, float x, float y, SkXfermode::Mode mode, 2936620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy float alpha, bool ignoreTransforms = false); 2941e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 2951e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy /** 2960a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Prepares the renderer to draw the specified Alpha8 texture as a rectangle. 2971e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * 2981e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param texture The texture to render with 2991e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param textureUnit The texture unit to use, may be modified 3001e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param x The x coordinate of the rectangle to draw 3011e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param y The y coordinate of the rectangle to draw 3021e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param r The red component of the color 3031e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param g The green component of the color 3041e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param b The blue component of the color 3051e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param a The alpha component of the color 3061e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param mode The blending mode 3070a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param transforms True if the matrix passed to the shader should be multiplied 3080a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * by the model-view matrix 3091e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * @param applyFilters Whether or not to take color filters and 3101e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy * shaders into account 3111e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy */ 3120a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy void setupTextureAlpha8(const Texture* texture, GLuint& textureUnit, float x, float y, 3130a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float r, float g, float b, float a, SkXfermode::Mode mode, bool transforms, 3140a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy bool applyFilters); 3150a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3160a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy /** 3170a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Prepares the renderer to draw the specified Alpha8 texture as a rectangle. 3180a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * 3190a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param texture The texture to render with 3200a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param width The width of the texture 3210a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param height The height of the texture 3220a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param textureUnit The texture unit to use, may be modified 3230a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param x The x coordinate of the rectangle to draw 3240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param y The y coordinate of the rectangle to draw 3250a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param r The red component of the color 3260a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param g The green component of the color 3270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param b The blue component of the color 3280a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param a The alpha component of the color 3290a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param mode The blending mode 3300a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param transforms True if the matrix passed to the shader should be multiplied 3310a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * by the model-view matrix 3320a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param applyFilters Whether or not to take color filters and 3330a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * shaders into account 3340a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy */ 3350a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy void setupTextureAlpha8(GLuint texture, uint32_t width, uint32_t height, 3360a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy GLuint& textureUnit, float x, float y, float r, float g, float b, float a, 3370a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy SkXfermode::Mode mode, bool transforms, bool applyFilters); 3380a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3390a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy /** 340759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy * Same as above setupTextureAlpha8() but specifies the mesh's vertices 34103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * and texCoords pointers. The pointers become offsets when a VBO is bound. 342759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy */ 343759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy void setupTextureAlpha8(GLuint texture, uint32_t width, uint32_t height, 344759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy GLuint& textureUnit, float x, float y, float r, float g, float b, float a, 345759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy SkXfermode::Mode mode, bool transforms, bool applyFilters, 3466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GLvoid* vertices, GLvoid* texCoords, GLuint vbo = 0, bool ignoreTransform = false); 347759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 348759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy /** 3490a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Draws text underline and strike-through if needed. 3500a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * 3510a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param text The text to decor 3520a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param bytesCount The number of bytes in the text 3530a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param length The length in pixels of the text, can be <= 0.0f to force a measurement 3540a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param x The x coordinate where the text will be drawn 3550a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param y The y coordinate where the text will be drawn 3560a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param paint The paint to draw the text with 3570a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy */ 3580a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy void drawTextDecorations(const char* text, int bytesCount, float length, 3590a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint); 3601e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 3611e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy /** 362ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Resets the texture coordinates stored in mMeshVertices. Setting the values 363026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * back to default is achieved by calling: 364026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 3658ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 366026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 367026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u1 The left coordinate of the texture 368026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v1 The bottom coordinate of the texture 369026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u2 The right coordinate of the texture 370026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v2 The top coordinate of the texture 371026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy */ 372026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void resetDrawTextureTexCoords(float u1, float v1, float u2, float v2); 373026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 3748ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy /** 3758ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * Gets the alpha and xfermode out of a paint object. If the paint is null 3768ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * alpha will be 255 and the xfermode will be SRC_OVER. 3778ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * 3788ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param paint The paint to extract values from 3798ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param alpha Where to store the resulting alpha 3808ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param mode Where to store the resulting xfermode 3818ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy */ 3825c13d89c1332fcc499379b9064b891187b75ca32Chet Haase inline void getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode); 3838ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 384f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 385746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Binds the specified texture. The texture unit must have been selected 386746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * prior to calling this method. 387a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy */ 388746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void bindTexture(GLuint texture) { 389746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glBindTexture(GL_TEXTURE_2D, texture); 390746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 391746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 392746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 393746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Sets the wrap modes for the specified texture. The wrap modes are modified 394746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * only when needed. 395746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 396746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void setTextureWrapModes(Texture* texture, GLenum wrapS, GLenum wrapT); 397a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 398a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy /** 39982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Enable or disable blending as necessary. This function sets the appropriate 40082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * blend function based on the specified xfermode. 40182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 402f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy inline void chooseBlending(bool blend, SkXfermode::Mode mode, ProgramDescription& description, 403f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy bool swapSrcDst = false); 404a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 405f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy /** 406f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * Safely retrieves the mode from the specified xfermode. If the specified 407f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * xfermode is null, the mode is assumed to be SkXfermode::kSrcOver_Mode. 408f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy */ 409a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy inline SkXfermode::Mode getXfermode(SkXfermode* mode); 41082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 411260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy /** 412d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Use the specified program with the current GL context. If the program is already 413d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * in use, it will not be bound again. If it is not in use, the current program is 414d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * marked unused and the specified program becomes used and becomes the new 415d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * current program. 4166926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy * 417d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param program The program to use 418d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * 419d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @return true If the specified program was already in use, false otherwise. 420260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy */ 421889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline bool useProgram(Program* program); 422260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 423746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 424746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Invoked before any drawing operation. This sets required state. 425746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 426746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy void setupDraw(); 42770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy /** 42870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy * Various methods to setup OpenGL rendering. 42970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy */ 43070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawWithTexture(bool isAlpha8 = false); 43170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(int color); 43270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(float r, float g, float b, float a); 43370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShader(); 43470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilter(); 43570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 43670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 43770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(bool blend = true, SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 43870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 43970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawProgram(); 44070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawDirtyRegionsDisabled(); 44170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelView(float left, float top, float right, float bottom, 44270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false, bool ignoreModelView = false); 44370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelViewTranslate(float left, float top, float right, float bottom, 44470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false); 44570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorUniforms(); 44670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShaderUniforms(bool ignoreTransform = false); 44770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilterUniforms(); 44870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawSimpleMesh(); 44970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawTexture(GLuint texture); 45070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo = 0); 45170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void finishDrawTexture(); 452746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 453746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 454746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Should be invoked every time the glScissor is modified. 455746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 456746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void dirtyClip() { 457746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = true; 458746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 459746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 4605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 4615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Mark the layer as dirty at the specified coordinates. The coordinates 4625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * are transformed with the supplied matrix. 4635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 4645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void dirtyLayer(const float left, const float top, const float right, const float bottom, 4655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const mat4 transform); 4665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 4685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Mark the layer as dirty at the specified coordinates. 4695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 4705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void dirtyLayer(const float left, const float top, const float right, const float bottom); 4715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 472bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Dimensions of the drawing surface 473bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mWidth, mHeight; 474bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 47585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy // Matrix used for ortho projection in shaders 476260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mat4 mOrthoMatrix; 477bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 478c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy // Model-view matrix used to position/size objects 479c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy mat4 mModelView; 480c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 481bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Number of saved states 482bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mSaveCount; 483f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy // Base state 484ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy sp<Snapshot> mFirstSnapshot; 485bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Current state 486bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy sp<Snapshot> mSnapshot; 4879d5316e3f56d138504565ff311145ac01621dff4Romain Guy 4889d5316e3f56d138504565ff311145ac01621dff4Romain Guy // Shaders 48906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkiaShader* mShader; 490026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 491db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy // Color filters 492db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy SkiaColorFilter* mColorFilter; 493db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 494026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Used to draw textured quads 495ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex mMeshVertices[4]; 496ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 4971e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy // Drop shadow 4981e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy bool mHasShadow; 4991e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowRadius; 5001e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDx; 5011e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDy; 5021e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy int mShadowColor; 5031e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 50482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // Various caches 505fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy Caches& mCaches; 5068694230ff25fa0a60e480d424843e56b718f0516Romain Guy 5078694230ff25fa0a60e480d424843e56b718f0516Romain Guy // List of rectangles to clear due to calls to saveLayer() 5088694230ff25fa0a60e480d424843e56b718f0516Romain Guy Vector<Rect*> mLayers; 5098694230ff25fa0a60e480d424843e56b718f0516Romain Guy 51099bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy // Indentity matrix 51199bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy const mat4 mIdentity; 51299bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy 513746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy // Indicates whether the clip must be restored 514746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bool mDirtyClip; 515746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 51670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // The following fields are used to setup drawing 51770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Used to describe the shaders to generate 51870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy ProgramDescription mDescription; 51970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Color description 52070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mColorSet; 52170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy float mColorA, mColorR, mColorG, mColorB; 52270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Indicates that the shader should get a color 52370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mSetShaderColor; 52470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Current texture unit 52570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy GLuint mTextureUnit; 52670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Track dirty regions, true by default 52770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mTrackDirtyRegions; 52870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Texture coordinates slot 52970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy int mTexCoordsSlot; 53070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 531b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy friend class DisplayListRenderer; 532b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy 533bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy}; // class OpenGLRenderer 534e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 5359d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 536e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 537e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 5385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_OPENGL_RENDERER_H 539