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/*
* 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 GrGpuGL;
/**
* 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(GrGpuGL*, 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(GrGpuGL*,
GrGLuint basePathID,
int numPaths,
size_t gpuMemorySize,
const SkStrokeRec&);
GrGLuint basePathID() const { return fBasePathID; }
protected:
virtual void onInitPath(int index, const SkPath&) const;
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
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