1 /* 2 * Copyright 2014 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 GrGLPathRange_DEFINED 9 #define GrGLPathRange_DEFINED 10 11 #include "../GrPathRange.h" 12 #include "GrStyle.h" 13 #include "gl/GrGLTypes.h" 14 15 class GrGLGpu; 16 17 /** 18 * Currently this represents a range of GL_NV_path_rendering Path IDs. 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 GrGLPathRange : public GrPathRange { 24 public: 25 /** 26 * Initialize a GL path range from a PathGenerator. This class will allocate 27 * the GPU path objects and initialize them lazily. 28 */ 29 GrGLPathRange(GrGLGpu*, PathGenerator*, const GrStyle&); 30 31 /** 32 * Initialize a GL path range from an existing range of pre-initialized GPU 33 * path objects. This class assumes ownership of the GPU path objects and 34 * will delete them when done. 35 */ 36 GrGLPathRange(GrGLGpu*, 37 GrGLuint basePathID, 38 int numPaths, 39 size_t gpuMemorySize, 40 const GrStyle&); 41 42 GrGLuint basePathID() const { return fBasePathID; } 43 44 bool shouldStroke() const { return fShouldStroke; } 45 bool shouldFill() const { return fShouldFill; } 46 47 protected: 48 void onInitPath(int index, const SkPath&) const override; 49 50 void onRelease() override; 51 void onAbandon() override; 52 53 private: 54 void init(); 55 size_t onGpuMemorySize() const override { return fGpuMemorySize; } 56 57 const GrStyle fStyle; 58 GrGLuint fBasePathID; 59 mutable size_t fGpuMemorySize; 60 bool fShouldStroke; 61 bool fShouldFill; 62 63 typedef GrPathRange INHERITED; 64 }; 65 66 #endif 67
