1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/skia/trunk/src/gpu/gl/debug/GrBufferObj.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,68 @@
1.4 +
1.5 +/*
1.6 + * Copyright 2012 Google Inc.
1.7 + *
1.8 + * Use of this source code is governed by a BSD-style license that can be
1.9 + * found in the LICENSE file.
1.10 + */
1.11 +
1.12 +#ifndef GrBufferObj_DEFINED
1.13 +#define GrBufferObj_DEFINED
1.14 +
1.15 +#include "GrFakeRefObj.h"
1.16 +#include "../GrGLDefines.h"
1.17 +
1.18 +////////////////////////////////////////////////////////////////////////////////
1.19 +class GrBufferObj : public GrFakeRefObj {
1.20 + GR_DEFINE_CREATOR(GrBufferObj);
1.21 +
1.22 +public:
1.23 + GrBufferObj()
1.24 + : GrFakeRefObj()
1.25 + , fDataPtr(NULL)
1.26 + , fMapped(false)
1.27 + , fBound(false)
1.28 + , fSize(0)
1.29 + , fUsage(GR_GL_STATIC_DRAW) {
1.30 + }
1.31 + virtual ~GrBufferObj() {
1.32 + delete[] fDataPtr;
1.33 + }
1.34 +
1.35 + void access() {
1.36 + // cannot access the buffer if it is currently mapped
1.37 + GrAlwaysAssert(!fMapped);
1.38 + }
1.39 +
1.40 + void setMapped() { fMapped = true; }
1.41 + void resetMapped() { fMapped = false; }
1.42 + bool getMapped() const { return fMapped; }
1.43 +
1.44 + void setBound() { fBound = true; }
1.45 + void resetBound() { fBound = false; }
1.46 + bool getBound() const { return fBound; }
1.47 +
1.48 + void allocate(GrGLsizeiptr size, const GrGLchar *dataPtr);
1.49 + GrGLsizeiptr getSize() const { return fSize; }
1.50 + GrGLchar *getDataPtr() { return fDataPtr; }
1.51 +
1.52 + void setUsage(GrGLint usage) { fUsage = usage; }
1.53 + GrGLint getUsage() const { return fUsage; }
1.54 +
1.55 + virtual void deleteAction() SK_OVERRIDE;
1.56 +
1.57 +protected:
1.58 +private:
1.59 +
1.60 + GrGLchar* fDataPtr;
1.61 + bool fMapped; // is the buffer object mapped via "glMapBuffer"?
1.62 + bool fBound; // is the buffer object bound via "glBindBuffer"?
1.63 + GrGLsizeiptr fSize; // size in bytes
1.64 + GrGLint fUsage; // one of: GL_STREAM_DRAW,
1.65 + // GL_STATIC_DRAW,
1.66 + // GL_DYNAMIC_DRAW
1.67 +
1.68 + typedef GrFakeRefObj INHERITED;
1.69 +};
1.70 +
1.71 +#endif // GrBufferObj_DEFINED
