skia2/include/gpu/graphite/Context.h
Jim Van Verth ae5e846047 [graphite] Move Graphite into Skia base directories.
Change-Id: Ie0fb74f3766a8b33387c145bd1151344c25808cb
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/528708
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Jim Van Verth <jvanverth@google.com>
2022-04-08 20:46:40 +00:00

125 lines
3.5 KiB
C++

/*
* 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_Context_DEFINED
#define skgpu_graphite_Context_DEFINED
#include <vector>
#include "include/core/SkBlendMode.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkShader.h"
#include "include/core/SkTileMode.h"
#include "include/private/SkNoncopyable.h"
#include "include/gpu/graphite/GraphiteTypes.h"
namespace skgpu::graphite {
class BackendTexture;
class CommandBuffer;
class ContextPriv;
class GlobalCache;
class Gpu;
struct MtlBackendContext;
class Recorder;
class Recording;
class TextureInfo;
struct ShaderCombo {
enum class ShaderType {
kNone, // does not modify color buffer, e.g. depth and/or stencil only
kSolidColor,
kLinearGradient,
kRadialGradient,
kSweepGradient,
kConicalGradient
};
ShaderCombo() {}
ShaderCombo(std::vector<ShaderType> types,
std::vector<SkTileMode> tileModes)
: fTypes(std::move(types))
, fTileModes(std::move(tileModes)) {
}
std::vector<ShaderType> fTypes;
std::vector<SkTileMode> fTileModes;
};
struct PaintCombo {
std::vector<ShaderCombo> fShaders;
std::vector<SkBlendMode> fBlendModes;
};
class Context final {
public:
Context(const Context&) = delete;
Context(Context&&) = delete;
Context& operator=(const Context&) = delete;
Context& operator=(Context&&) = delete;
~Context();
#ifdef SK_METAL
static std::unique_ptr<Context> MakeMetal(const skgpu::graphite::MtlBackendContext&);
#endif
BackendApi backend() const { return fBackend; }
std::unique_ptr<Recorder> makeRecorder();
void insertRecording(const InsertRecordingInfo&);
void submit(SyncToCpu = SyncToCpu::kNo);
/**
* Checks whether any asynchronous work is complete and if so calls related callbacks.
*/
void checkAsyncWorkCompletion();
void preCompile(const PaintCombo&);
/**
* Creates a new backend gpu texture matching the dimensinos and TextureInfo. If an invalid
* TextureInfo or a TextureInfo Skia can't support is passed in, this will return an invalid
* BackendTexture. Thus the client should check isValid on the returned BackendTexture to know
* if it succeeded or not.
*
* If this does return a valid BackendTexture, the caller is required to use
* Context::deleteBackendTexture to delete that texture.
*/
BackendTexture createBackendTexture(SkISize dimensions, const TextureInfo&);
/**
* Called to delete the passed in BackendTexture. This should only be called if the
* BackendTexture was created by calling Context::createBackendTexture. If the BackendTexture is
* not valid or does not match the BackendApi of the Context then nothing happens.
*
* Otherwise this will delete/release the backend object that is wrapped in the BackendTexture.
* The BackendTexture will be reset to an invalid state and should not be used again.
*/
void deleteBackendTexture(BackendTexture&);
// Provides access to functions that aren't part of the public API.
ContextPriv priv();
const ContextPriv priv() const; // NOLINT(readability-const-return-type)
protected:
Context(sk_sp<Gpu>, BackendApi);
private:
friend class ContextPriv;
sk_sp<CommandBuffer> fCurrentCommandBuffer;
sk_sp<Gpu> fGpu;
sk_sp<GlobalCache> fGlobalCache;
BackendApi fBackend;
};
} // namespace skgpu::graphite
#endif // skgpu_graphite_Context_DEFINED