64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
/*
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* Copyright 2012 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef GrTextureAccess_DEFINED
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#define GrTextureAccess_DEFINED
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#include "GrGpuResourceRef.h"
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#include "GrTexture.h"
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#include "GrTextureParams.h"
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#include "SkRefCnt.h"
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#include "SkShader.h"
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/**
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* Used to represent a texture that is required by a GrProcessor. It holds a GrTexture along with
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* an associated GrTextureParams
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*/
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class GrTextureAccess : public SkNoncopyable {
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public:
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/**
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* Must be initialized before adding to a GrProcessor's texture access list.
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*/
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GrTextureAccess();
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GrTextureAccess(GrTexture*, const GrTextureParams&);
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explicit GrTextureAccess(GrTexture*,
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GrTextureParams::FilterMode = GrTextureParams::kNone_FilterMode,
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SkShader::TileMode tileXAndY = SkShader::kClamp_TileMode);
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void reset(GrTexture*, const GrTextureParams&);
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void reset(GrTexture*,
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GrTextureParams::FilterMode = GrTextureParams::kNone_FilterMode,
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SkShader::TileMode tileXAndY = SkShader::kClamp_TileMode);
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bool operator==(const GrTextureAccess& that) const {
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return this->getTexture() == that.getTexture() && fParams == that.fParams;
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}
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bool operator!=(const GrTextureAccess& other) const { return !(*this == other); }
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GrTexture* getTexture() const { return fTexture.get(); }
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/**
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* For internal use by GrProcessor.
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*/
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const GrGpuResourceRef* getProgramTexture() const { return &fTexture; }
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const GrTextureParams& getParams() const { return fParams; }
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private:
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typedef GrTGpuResourceRef<GrTexture> ProgramTexture;
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ProgramTexture fTexture;
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GrTextureParams fParams;
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typedef SkNoncopyable INHERITED;
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};
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#endif
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