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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrTexturePriv_DEFINED
#define GrTexturePriv_DEFINED
#include "GrTexture.h"
/** Class that adds methods to GrTexture that are only intended for use internal to Skia.
This class is purely a privileged window into GrTexture. It should never have additional data
members or virtual methods.
Non-static methods that are not trivial inlines should be spring-boarded (e.g. declared and
implemented privately in GrTexture with a inline public method here). */
class GrTexturePriv {
public:
void dirtyMipMaps(bool mipMapsDirty) {
fTexture->dirtyMipMaps(mipMapsDirty);
}
bool mipMapsAreDirty() const {
return GrTexture::kValid_MipMapsStatus != fTexture->fMipMapsStatus;
}
bool hasMipMaps() const {
return GrTexture::kNotAllocated_MipMapsStatus != fTexture->fMipMapsStatus;
}
void setMaxMipMapLevel(int maxMipMapLevel) const {
fTexture->fMaxMipMapLevel = maxMipMapLevel;
}
int maxMipMapLevel() const {
return fTexture->fMaxMipMapLevel;
}
GrSLType imageStorageType() const {
if (GrPixelConfigIsSint(fTexture->config())) {
return kIImageStorage2D_GrSLType;
} else {
return kImageStorage2D_GrSLType;
}
}
GrSLType samplerType() const { return fTexture->fSamplerType; }
/** The filter used is clamped to this value in GrProcessor::TextureSampler. */
GrSamplerParams::FilterMode highestFilterMode() const { return fTexture->fHighestFilterMode; }
void setMipColorMode(SkDestinationSurfaceColorMode colorMode) const {
fTexture->fMipColorMode = colorMode;
}
SkDestinationSurfaceColorMode mipColorMode() const { return fTexture->fMipColorMode; }
static void ComputeScratchKey(const GrSurfaceDesc&, GrScratchKey*);
private:
static void ComputeScratchKey(GrPixelConfig config, int width, int height,
GrSurfaceOrigin origin, bool isRenderTarget, int sampleCnt,
bool isMipMapped, GrScratchKey* key);
GrTexturePriv(GrTexture* texture) : fTexture(texture) { }
GrTexturePriv(const GrTexturePriv& that) : fTexture(that.fTexture) { }
GrTexturePriv& operator=(const GrTexturePriv&); // unimpl
// No taking addresses of this type.
const GrTexturePriv* operator&() const;
GrTexturePriv* operator&();
GrTexture* fTexture;
friend class GrTexture; // to construct/copy this type.
};
inline GrTexturePriv GrTexture::texturePriv() { return GrTexturePriv(this); }
inline const GrTexturePriv GrTexture::texturePriv () const {
return GrTexturePriv(const_cast<GrTexture*>(this));
}
#endif
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