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      1 
      2 /*
      3  * Copyright 2012 Google Inc.
      4  *
      5  * Use of this source code is governed by a BSD-style license that can be
      6  * found in the LICENSE file.
      7  */
      8 
      9 #ifndef GrGLPath_DEFINED
     10 #define GrGLPath_DEFINED
     11 
     12 #include "../GrPath.h"
     13 #include "gl/GrGLFunctions.h"
     14 
     15 class GrGpuGL;
     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 void InitPathObject(GrGpuGL*,
     26                                GrGLuint pathID,
     27                                const SkPath&,
     28                                const SkStrokeRec&);
     29 
     30     GrGLPath(GrGpuGL* gpu, const SkPath& path, const SkStrokeRec& stroke);
     31     virtual ~GrGLPath();
     32     GrGLuint pathID() const { return fPathID; }
     33     // TODO: Figure out how to get an approximate size of the path in Gpu
     34     // memory.
     35     virtual size_t gpuMemorySize() const SK_OVERRIDE { return 100; }
     36 
     37 protected:
     38     virtual void onRelease() SK_OVERRIDE;
     39     virtual void onAbandon() SK_OVERRIDE;
     40 
     41 private:
     42     GrGLuint fPathID;
     43 
     44     typedef GrPath INHERITED;
     45 };
     46 
     47 #endif
     48