blob: 08d6799f62391519617d46e421ecf2cf4c4192a2 [file] [log] [blame]
* Copyright 2011 Google Inc.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#ifndef GrStencilAttachment_DEFINED
#define GrStencilAttachment_DEFINED
#include "GrGpuResource.h"
#include "SkClipStack.h"
class GrRenderTarget;
class GrResourceKey;
class GrStencilAttachment : public GrGpuResource {
virtual ~GrStencilAttachment() {
// TODO: allow SB to be purged and detach itself from rts
int width() const { return fWidth; }
int height() const { return fHeight; }
int bits() const { return fBits; }
int numSamples() const { return fSampleCnt; }
// We create a unique stencil buffer at each width, height and sampleCnt and share it for
// all render targets that require a stencil with those params.
static void ComputeSharedStencilAttachmentKey(int width, int height, int sampleCnt,
GrUniqueKey* key);
GrStencilAttachment(GrGpu* gpu, int width, int height, int bits, int sampleCnt)
: GrGpuResource(gpu)
, fWidth(width)
, fHeight(height)
, fBits(bits)
, fSampleCnt(sampleCnt) {
int fWidth;
int fHeight;
int fBits;
int fSampleCnt;
typedef GrGpuResource INHERITED;