Rename GrStencilBuffer to GrStencilAttachment

src/gpu/GrStencilBuffer.h

-
-/*
- * 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 GrStencilBuffer_DEFINED
-#define GrStencilBuffer_DEFINED
-
-#include "GrClip.h"
-#include "GrGpuResource.h"
-
-class GrRenderTarget;
-class GrResourceKey;
-
-class GrStencilBuffer : public GrGpuResource {
-public:
-    SK_DECLARE_INST_COUNT(GrStencilBuffer);
-
-    virtual ~GrStencilBuffer() {
-        // 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; }
-
-    // called to note the last clip drawn to this buffer.
-    void setLastClip(int32_t clipStackGenID,
-                     const SkIRect& clipSpaceRect,
-                     const SkIPoint clipSpaceToStencilOffset) {
-        fLastClipStackGenID = clipStackGenID;
-        fLastClipStackRect = clipSpaceRect;
-        fLastClipSpaceOffset = clipSpaceToStencilOffset;
-    }
-
-    // called to determine if we have to render the clip into SB.
-    bool mustRenderClip(int32_t clipStackGenID,
-                        const SkIRect& clipSpaceRect,
-                        const SkIPoint clipSpaceToStencilOffset) const {
-        return fLastClipStackGenID != clipStackGenID ||
-               fLastClipSpaceOffset != clipSpaceToStencilOffset ||
-               !fLastClipStackRect.contains(clipSpaceRect);
-    }
-
-    // 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 ComputeSharedStencilBufferKey(int width, int height, int sampleCnt,
-                                              GrUniqueKey* key);
-
-protected:
-    GrStencilBuffer(GrGpu* gpu, LifeCycle lifeCycle, int width, int height, int bits, int sampleCnt)
-        : GrGpuResource(gpu, lifeCycle)
-        , fWidth(width)
-        , fHeight(height)
-        , fBits(bits)
-        , fSampleCnt(sampleCnt)
-        , fLastClipStackGenID(SkClipStack::kInvalidGenID) {
-        fLastClipStackRect.setEmpty();
-    }
-
-private:
-
-    int fWidth;
-    int fHeight;
-    int fBits;
-    int fSampleCnt;
-
-    int32_t     fLastClipStackGenID;
-    SkIRect     fLastClipStackRect;
-    SkIPoint    fLastClipSpaceOffset;
-
-    typedef GrGpuResource INHERITED;
-};
-
-#endif