| |
| /* |
| * Copyright 2014 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef GrGLPathRange_DEFINED |
| #define GrGLPathRange_DEFINED |
| |
| #include "../GrPathRange.h" |
| #include "gl/GrGLFunctions.h" |
| |
| class GrGLGpu; |
| |
| /** |
| * Currently this represents a range of GL_NV_path_rendering Path IDs. If we |
| * support other GL path extensions then this would have to have a type enum |
| * and/or be subclassed. |
| */ |
| |
| class GrGLPathRange : public GrPathRange { |
| public: |
| /** |
| * Initialize a GL path range from a PathGenerator. This class will allocate |
| * the GPU path objects and initialize them lazily. |
| */ |
| GrGLPathRange(GrGLGpu*, PathGenerator*, const SkStrokeRec&); |
| |
| /** |
| * Initialize a GL path range from an existing range of pre-initialized GPU |
| * path objects. This class assumes ownership of the GPU path objects and |
| * will delete them when done. |
| */ |
| GrGLPathRange(GrGLGpu*, |
| GrGLuint basePathID, |
| int numPaths, |
| size_t gpuMemorySize, |
| const SkStrokeRec&); |
| |
| GrGLuint basePathID() const { return fBasePathID; } |
| |
| protected: |
| virtual void onInitPath(int index, const SkPath&) const SK_OVERRIDE; |
| |
| virtual void onRelease() SK_OVERRIDE; |
| virtual void onAbandon() SK_OVERRIDE; |
| |
| private: |
| virtual size_t onGpuMemorySize() const SK_OVERRIDE { return fGpuMemorySize; } |
| |
| GrGLuint fBasePathID; |
| mutable size_t fGpuMemorySize; |
| |
| typedef GrPathRange INHERITED; |
| }; |
| |
| #endif |