1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/skia/trunk/src/gpu/gl/GrGLStencilBuffer.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,62 @@
1.4 +/*
1.5 + * Copyright 2011 Google Inc.
1.6 + *
1.7 + * Use of this source code is governed by a BSD-style license that can be
1.8 + * found in the LICENSE file.
1.9 + */
1.10 +
1.11 +
1.12 +#ifndef GrGLStencilBuffer_DEFINED
1.13 +#define GrGLStencilBuffer_DEFINED
1.14 +
1.15 +#include "gl/GrGLInterface.h"
1.16 +#include "GrStencilBuffer.h"
1.17 +
1.18 +class GrGLStencilBuffer : public GrStencilBuffer {
1.19 +public:
1.20 + static const GrGLenum kUnknownInternalFormat = ~0U;
1.21 + static const GrGLuint kUnknownBitCount = ~0U;
1.22 + struct Format {
1.23 + GrGLenum fInternalFormat;
1.24 + GrGLuint fStencilBits;
1.25 + GrGLuint fTotalBits;
1.26 + bool fPacked;
1.27 + };
1.28 +
1.29 + GrGLStencilBuffer(GrGpu* gpu,
1.30 + bool isWrapped,
1.31 + GrGLint rbid,
1.32 + int width, int height,
1.33 + int sampleCnt,
1.34 + const Format& format)
1.35 + : GrStencilBuffer(gpu, isWrapped, width, height, format.fStencilBits, sampleCnt)
1.36 + , fFormat(format)
1.37 + , fRenderbufferID(rbid) {
1.38 + }
1.39 +
1.40 + virtual ~GrGLStencilBuffer();
1.41 +
1.42 + virtual size_t sizeInBytes() const SK_OVERRIDE;
1.43 +
1.44 + GrGLuint renderbufferID() const {
1.45 + return fRenderbufferID;
1.46 + }
1.47 +
1.48 + const Format& format() const { return fFormat; }
1.49 +
1.50 +protected:
1.51 + // overrides of GrResource
1.52 + virtual void onRelease() SK_OVERRIDE;
1.53 + virtual void onAbandon() SK_OVERRIDE;
1.54 +
1.55 +private:
1.56 + Format fFormat;
1.57 + // may be zero for external SBs associated with external RTs
1.58 + // (we don't require the client to give us the id, just tell
1.59 + // us how many bits of stencil there are).
1.60 + GrGLuint fRenderbufferID;
1.61 +
1.62 + typedef GrStencilBuffer INHERITED;
1.63 +};
1.64 +
1.65 +#endif
