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* Copyright 2016 Google Inc.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#ifndef GrDirectContextPriv_DEFINED
#define GrDirectContextPriv_DEFINED
#include "include/core/SkSpan.h"
#include "include/core/SkSurface.h"
#include "include/gpu/GrDirectContext.h"
#include "src/gpu/AtlasTypes.h"
#include "src/gpu/ganesh/BaseDevice.h"
#include "src/gpu/ganesh/GrRecordingContextPriv.h"
class GrAtlasManager;
class GrBackendFormat;
class GrBackendRenderTarget;
class GrImageInfo;
class GrMemoryPool;
class GrOnFlushCallbackObject;
class GrRenderTargetProxy;
class GrSemaphore;
class GrSurfaceProxy;
class SkDeferredDisplayList;
class SkTaskGroup;
/** Class that adds methods to GrDirectContext that are only intended for use internal to Skia.
This class is purely a privileged window into GrDirectContext. It should never have additional
data members or virtual methods. */
class GrDirectContextPriv : public GrRecordingContextPriv {
GrDirectContext* context() { return static_cast<GrDirectContext*>(fContext); }
const GrDirectContext* context() const { return static_cast<const GrDirectContext*>(fContext); }
GrStrikeCache* getGrStrikeCache() { return this->context()->fStrikeCache.get(); }
* Finalizes all pending reads and writes to the surfaces and also performs an MSAA resolves
* if necessary. The GrSurfaceProxy array is treated as a hint. If it is supplied the context
* will guarantee that the draws required for those proxies are flushed but it could do more.
* If no array is provided then all current work will be flushed.
* It is not necessary to call this before reading the render target via Skia/GrContext.
* GrContext will detect when it must perform a resolve before reading pixels back from the
* surface or using it as a texture.
GrSemaphoresSubmitted flushSurfaces(
SkSurface::BackendSurfaceAccess = SkSurface::BackendSurfaceAccess::kNoAccess,
const GrFlushInfo& = {},
const GrBackendSurfaceMutableState* newState = nullptr);
/** Version of above that flushes for a single proxy. Null is allowed. */
GrSemaphoresSubmitted flushSurface(
GrSurfaceProxy* proxy,
SkSurface::BackendSurfaceAccess access = SkSurface::BackendSurfaceAccess::kNoAccess,
const GrFlushInfo& info = {},
const GrBackendSurfaceMutableState* newState = nullptr) {
size_t size = proxy ? 1 : 0;
return this->flushSurfaces({&proxy, size}, access, info, newState);
* Returns true if createPMToUPMEffect and createUPMToPMEffect will succeed. In other words,
* did we find a pair of round-trip preserving conversion effects?
bool validPMUPMConversionExists();
* These functions create premul <-> unpremul effects, using specialized round-trip effects.
std::unique_ptr<GrFragmentProcessor> createPMToUPMEffect(std::unique_ptr<GrFragmentProcessor>);
std::unique_ptr<GrFragmentProcessor> createUPMToPMEffect(std::unique_ptr<GrFragmentProcessor>);
SkTaskGroup* getTaskGroup() { return this->context()->fTaskGroup.get(); }
GrResourceProvider* resourceProvider() { return this->context()->fResourceProvider.get(); }
const GrResourceProvider* resourceProvider() const {
return this->context()->fResourceProvider.get();
GrResourceCache* getResourceCache() { return this->context()->fResourceCache.get(); }
GrGpu* getGpu() { return this->context()->fGpu.get(); }
const GrGpu* getGpu() const { return this->context()->fGpu.get(); }
// This accessor should only ever be called by the GrOpFlushState.
GrAtlasManager* getAtlasManager() {
return this->context()->onGetAtlasManager();
// This accessor should only ever be called by the GrOpFlushState.
skgpu::v1::SmallPathAtlasMgr* getSmallPathAtlasMgr() {
return this->context()->onGetSmallPathAtlasMgr();
void createDDLTask(sk_sp<const SkDeferredDisplayList>,
sk_sp<GrRenderTargetProxy> newDest,
SkIPoint offset);
bool compile(const GrProgramDesc&, const GrProgramInfo&);
GrContextOptions::PersistentCache* getPersistentCache() {
return this->context()->fPersistentCache;
GrClientMappedBufferManager* clientMappedBufferManager() {
return this->context()->fMappedBufferManager.get();
/** Reset GPU stats */
void resetGpuStats() const;
/** Prints cache stats to the string if GR_CACHE_STATS == 1. */
void dumpCacheStats(SkString*) const;
void dumpCacheStatsKeyValuePairs(SkTArray<SkString>* keys, SkTArray<double>* values) const;
void printCacheStats() const;
/** Prints GPU stats to the string if GR_GPU_STATS == 1. */
void dumpGpuStats(SkString*) const;
void dumpGpuStatsKeyValuePairs(SkTArray<SkString>* keys, SkTArray<double>* values) const;
void printGpuStats() const;
/** These are only active if GR_GPU_STATS == 1. */
void resetContextStats();
void dumpContextStats(SkString*) const;
void dumpContextStatsKeyValuePairs(SkTArray<SkString>* keys, SkTArray<double>* values) const;
void printContextStats() const;
/** Get pointer to atlas texture for given mask format. Note that this wraps an
actively mutating texture in an SkImage. This could yield unexpected results
if it gets cached or used more generally. */
sk_sp<SkImage> testingOnly_getFontAtlasImage(skgpu::MaskFormat format, unsigned int index = 0);
void testingOnly_flushAndRemoveOnFlushCallbackObject(GrOnFlushCallbackObject*);
explicit GrDirectContextPriv(GrDirectContext* dContext) : GrRecordingContextPriv(dContext) {}
GrDirectContextPriv& operator=(const GrDirectContextPriv&) = delete;
// No taking addresses of this type.
const GrDirectContextPriv* operator&() const;
GrDirectContextPriv* operator&();
friend class GrDirectContext; // to construct/copy this type.
using INHERITED = GrRecordingContextPriv;
inline GrDirectContextPriv GrDirectContext::priv() { return GrDirectContextPriv(this); }
// NOLINTNEXTLINE(readability-const-return-type)
inline const GrDirectContextPriv GrDirectContext::priv() const {
return GrDirectContextPriv(const_cast<GrDirectContext*>(this));