| 1 | /* | 
|---|---|
| 2 | * Copyright 2012 Google Inc. | 
| 3 | * | 
| 4 | * Use of this source code is governed by a BSD-style license that can be | 
| 5 | * found in the LICENSE file. | 
| 6 | */ | 
| 7 | |
| 8 | #ifndef GrGLPath_DEFINED | 
| 9 | #define GrGLPath_DEFINED | 
| 10 | |
| 11 | #include "include/gpu/gl/GrGLTypes.h" | 
| 12 | #include "src/gpu/GrPath.h" | 
| 13 | |
| 14 | class GrGLGpu; | 
| 15 | class GrStyle; | 
| 16 | |
| 17 | /** | 
| 18 | * Currently this represents a path built using GL_NV_path_rendering. If we | 
| 19 | * support other GL path extensions then this would have to have a type enum | 
| 20 | * and/or be subclassed. | 
| 21 | */ | 
| 22 | |
| 23 | class GrGLPath : public GrPath { | 
| 24 | public: | 
| 25 | static bool InitPathObjectPathDataCheckingDegenerates(GrGLGpu*, | 
| 26 | GrGLuint pathID, | 
| 27 | const SkPath&); | 
| 28 | static void InitPathObjectPathData(GrGLGpu*, | 
| 29 | GrGLuint pathID, | 
| 30 | const SkPath&); | 
| 31 | static void InitPathObjectStroke(GrGLGpu*, GrGLuint pathID, const SkStrokeRec&); | 
| 32 | |
| 33 | static void InitPathObjectEmptyPath(GrGLGpu*, GrGLuint pathID); | 
| 34 | |
| 35 | |
| 36 | GrGLPath(GrGLGpu*, const SkPath&, const GrStyle&); | 
| 37 | GrGLuint pathID() const { return fPathID; } | 
| 38 | |
| 39 | bool shouldStroke() const { return fShouldStroke; } | 
| 40 | bool shouldFill() const { return fShouldFill; } | 
| 41 | protected: | 
| 42 | void onRelease() override; | 
| 43 | void onAbandon() override; | 
| 44 | |
| 45 | private: | 
| 46 | // TODO: Figure out how to get an approximate size of the path in Gpu memory. | 
| 47 | size_t onGpuMemorySize() const override { return 100; } | 
| 48 | |
| 49 | GrGLuint fPathID; | 
| 50 | bool fShouldStroke; | 
| 51 | bool fShouldFill; | 
| 52 | |
| 53 | typedef GrPath INHERITED; | 
| 54 | }; | 
| 55 | |
| 56 | #endif | 
| 57 | 
