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/*
* 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 GrTexture_DEFINED
#define GrTexture_DEFINED
#include "GrSurface.h"
#include "SkPoint.h"
#include "SkRefCnt.h"
class GrTextureParams;
class GrTexturePriv;
class GrTexture : virtual public GrSurface {
public:
GrTexture* asTexture() override { return this; }
const GrTexture* asTexture() const override { return this; }
GrSLType samplerType() const { return fSamplerType; }
/**
* Return the native ID or handle to the texture, depending on the
* platform. e.g. on OpenGL, return the texture ID.
*/
virtual GrBackendObject getTextureHandle() const = 0;
/**
* This function indicates that the texture parameters (wrap mode, filtering, ...) have been
* changed externally to Skia.
*/
virtual void textureParamsModified() = 0;
#ifdef SK_DEBUG
void validate() const {
this->INHERITED::validate();
this->validateDesc();
}
#endif
/** Access methods that are only to be used within Skia code. */
inline GrTexturePriv texturePriv();
inline const GrTexturePriv texturePriv() const;
protected:
GrTexture(GrGpu*, const GrSurfaceDesc&, GrSLType, bool wasMipMapDataProvided);
void validateDesc() const;
private:
void computeScratchKey(GrScratchKey*) const override;
size_t onGpuMemorySize() const override;
void dirtyMipMaps(bool mipMapsDirty);
enum MipMapsStatus {
kNotAllocated_MipMapsStatus,
kAllocated_MipMapsStatus,
kValid_MipMapsStatus
};
GrSLType fSamplerType;
MipMapsStatus fMipMapsStatus;
int fMaxMipMapLevel;
SkSourceGammaTreatment fGammaTreatment;
friend class GrTexturePriv;
typedef GrSurface INHERITED;
};
#endif
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