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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 "include/gpu/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 {
void markMipMapsDirty() {
void markMipMapsClean() {
bool mipMapsAreDirty() const {
return GrMipMapsStatus::kValid != fTexture->fMipMapsStatus;
GrMipMapped mipMapped() const {
if (GrMipMapsStatus::kNotAllocated != fTexture->fMipMapsStatus) {
return GrMipMapped::kYes;
return GrMipMapped::kNo;
int maxMipMapLevel() const {
return fTexture->fMaxMipMapLevel;
GrTextureType textureType() const { return fTexture->fTextureType; }
bool hasRestrictedSampling() const {
return GrTextureTypeHasRestrictedSampling(this->textureType());
/** Filtering is clamped to this value. */
GrSamplerState::Filter highestFilterMode() const {
return this->hasRestrictedSampling() ? GrSamplerState::Filter::kBilerp
: GrSamplerState::Filter::kMipMap;
static void ComputeScratchKey(const GrSurfaceDesc&, GrScratchKey*);
static void ComputeScratchKey(GrPixelConfig config, int width, int height,
bool isRenderTarget, int sampleCnt,
GrMipMapped, 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));