blob: 60dd828cc976074d9eb41d16c8ee89a2ea35b388 [file] [log] [blame]
* 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/SkImage.h"
#include "include/core/SkPoint.h"
#include "include/core/SkRefCnt.h"
#include "include/gpu/GrBackendSurface.h"
#include "include/private/GrTypesPriv.h"
#include "src/gpu/GrSurface.h"
class GrTexture : virtual public GrSurface {
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>,
* Installs a proc on this texture. It will be called when the texture becomes "idle". "Idle"
* means, accounting only for Skia's use of the texture, it is safe to delete in the underlying
* API. This is used to implement release procs for promise image textures because we cache
* the GrTexture object and thus can't rely on it's destructor to trigger a normal release proc.
virtual void addIdleProc(sk_sp<GrRefCntedCallback> idleProc) {
// This is the default implementation for the managed case where the IdleState can be
// ignored. Unmanaged backends, e.g. Vulkan, must override this to detect when the GPU
// is finished accessing the texture.
/** Helper version of addIdleProc that creates the ref-counted wrapper. */
void addIdleProc(GrRefCntedCallback::Callback callback, GrRefCntedCallback::Context context) {
this->addIdleProc(GrRefCntedCallback::Make(callback, context));
GrTextureType textureType() const { return fTextureType; }
bool hasRestrictedSampling() const {
return GrTextureTypeHasRestrictedSampling(this->textureType());
void markMipmapsDirty();
void markMipmapsClean();
GrMipmapped mipmapped() const {
return GrMipmapped(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,
int sampleCnt,
GrScratchKey* key);
GrTexture(GrGpu*, const SkISize&, GrProtected, GrTextureType, GrMipmapStatus);
virtual bool onStealBackendTexture(GrBackendTexture*, SkImage::BackendTextureReleaseProc*) = 0;
SkTArray<sk_sp<GrRefCntedCallback>> fIdleProcs;
void willRemoveLastRef() override {
// We're about to be idle in the resource cache. Do our part to trigger the idle callbacks.
virtual void callIdleProcsOnBehalfOfResource() {}
void computeScratchKey(GrScratchKey*) const override;
size_t onGpuMemorySize() const override;
GrTextureType fTextureType;
GrMipmapStatus fMipmapStatus;
int fMaxMipmapLevel;
friend class GrTextureResource;
using INHERITED = GrSurface;