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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 "include/core/SkRefCnt.h"
#include "include/gpu/GrBackendSurface.h"
#include "include/gpu/GrTypes.h"
#include "include/gpu/ganesh/SkImageGanesh.h"
#include "include/private/gpu/ganesh/GrTypesPriv.h"
#include "src/gpu/ganesh/GrSurface.h"
#include <cstddef>
#include <string_view>
class GrCaps;
class GrGpu;
struct SkISize;
namespace skgpu {
class ScratchKey;
enum class Mipmapped : bool;
} // namespace skgpu
class GrTexture : virtual public GrSurface {
public:
GrTexture* asTexture() override { return this; }
const GrTexture* asTexture() const override { return this; }
virtual GrBackendTexture getBackendTexture() const = 0;
/**
* This function indicates that the texture parameters (wrap mode, filtering, ...) have been
* changed externally to Skia.
*/
virtual void textureParamsModified() = 0;
/**
* This function steals the backend texture from a uniquely owned GrTexture with no pending
* IO, passing it out to the caller. The GrTexture is deleted in the process.
*
* Note that if the GrTexture is not uniquely owned (no other refs), or has pending IO, this
* function will fail.
*/
static bool StealBackendTexture(sk_sp<GrTexture>,
GrBackendTexture*,
SkImages::BackendTextureReleaseProc*);
GrTextureType textureType() const { return fTextureType; }
bool hasRestrictedSampling() const {
return GrTextureTypeHasRestrictedSampling(this->textureType());
}
void markMipmapsDirty();
void markMipmapsClean();
skgpu::Mipmapped mipmapped() const {
return skgpu::Mipmapped(fMipmapStatus != GrMipmapStatus::kNotAllocated);
}
bool mipmapsAreDirty() const { return fMipmapStatus != GrMipmapStatus::kValid; }
GrMipmapStatus mipmapStatus() const { return fMipmapStatus; }
int maxMipmapLevel() const { return fMaxMipmapLevel; }
static void ComputeScratchKey(const GrCaps& caps,
const GrBackendFormat& format,
SkISize dimensions,
GrRenderable,
int sampleCnt,
skgpu::Mipmapped,
GrProtected,
skgpu::ScratchKey* key);
protected:
GrTexture(GrGpu*,
const SkISize&,
GrProtected,
GrTextureType,
GrMipmapStatus,
std::string_view label);
virtual bool onStealBackendTexture(GrBackendTexture*, SkImages::BackendTextureReleaseProc*) = 0;
void computeScratchKey(skgpu::ScratchKey*) const override;
private:
size_t onGpuMemorySize() const override;
GrTextureType fTextureType;
GrMipmapStatus fMipmapStatus;
int fMaxMipmapLevel;
friend class GrTextureResource;
using INHERITED = GrSurface;
};
#endif