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* Copyright 2021 Google LLC
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#ifndef skgpu_graphite_ContextPriv_DEFINED
#define skgpu_graphite_ContextPriv_DEFINED
#include "include/gpu/graphite/Context.h"
#include "src/gpu/graphite/QueueManager.h"
#include "src/gpu/graphite/SharedContext.h"
namespace skgpu::graphite {
class Caps;
class GlobalCache;
class RendererProvider;
class ResourceProvider;
class ShaderCodeDictionary;
/** Class that adds methods to Context that are only intended for use internal to Skia.
This class is purely a privileged window into Context. It should never have additional
data members or virtual methods. */
class ContextPriv {
const Caps* caps() const { return fContext->fSharedContext->caps(); }
const ShaderCodeDictionary* shaderCodeDictionary() const {
return fContext->fSharedContext->shaderCodeDictionary();
ShaderCodeDictionary* shaderCodeDictionary() {
return fContext->fSharedContext->shaderCodeDictionary();
const GlobalCache* globalCache() const {
return fContext->fSharedContext->globalCache();
GlobalCache* globalCache() {
return fContext->fSharedContext->globalCache();
const RendererProvider* rendererProvider() const {
return fContext->fSharedContext->rendererProvider();
ResourceProvider* resourceProvider() const {
return fContext->fResourceProvider.get();
PlotUploadTracker* plotUploadTracker() const {
return fContext->fPlotUploadTracker.get();
void startCapture() {
void stopCapture() {
void deregisterRecorder(const Recorder*);
bool readPixels(const SkPixmap&,
const TextureProxy*,
const SkImageInfo& srcImageInfo,
int srcX, int srcY);
friend class Context; // to construct/copy this type.
explicit ContextPriv(Context* context) : fContext(context) {}
ContextPriv& operator=(const ContextPriv&) = delete;
// No taking addresses of this type.
const ContextPriv* operator&() const;
ContextPriv *operator&();
Context* fContext;
inline ContextPriv Context::priv() { return ContextPriv(this); }
// NOLINTNEXTLINE(readability-const-return-type)
inline const ContextPriv Context::priv() const {
return ContextPriv(const_cast<Context *>(this));
// This class is friended by the Context and allows the backend ContextFactory functions to
// trampoline through this to call the private Context ctor. We can't directly friend the factory
// functions in Context because they are in a different namespace and we don't want to declare the
// functions in Context.h
class ContextCtorAccessor {
static std::unique_ptr<Context> MakeContext(sk_sp<SharedContext>,
const ContextOptions&);
} // namespace skgpu::graphite
#endif // skgpu_graphite_ContextPriv_DEFINED