mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#ifndef FLUTTER_LIB_GPU_CONTEXT_H_
|
|
#define FLUTTER_LIB_GPU_CONTEXT_H_
|
|
|
|
#include "dart_api.h"
|
|
#include "flutter/lib/gpu/export.h"
|
|
#include "flutter/lib/ui/dart_wrapper.h"
|
|
#include "impeller/renderer/context.h"
|
|
|
|
namespace flutter {
|
|
namespace gpu {
|
|
|
|
bool SupportsNormalOffscreenMSAA(const impeller::Context& context);
|
|
|
|
class Context : public RefCountedDartWrappable<Context> {
|
|
DEFINE_WRAPPERTYPEINFO();
|
|
FML_FRIEND_MAKE_REF_COUNTED(Context);
|
|
|
|
public:
|
|
static void SetOverrideContext(std::shared_ptr<impeller::Context> context);
|
|
|
|
static std::shared_ptr<impeller::Context> GetOverrideContext();
|
|
|
|
static std::shared_ptr<impeller::Context> GetDefaultContext(
|
|
std::optional<std::string>& out_error);
|
|
|
|
explicit Context(std::shared_ptr<impeller::Context> context);
|
|
~Context() override;
|
|
|
|
std::shared_ptr<impeller::Context> GetContext();
|
|
|
|
private:
|
|
/// An Impeller context that takes precedent over the IO state context when
|
|
/// set. This is used to inject the context when running with the Impeller
|
|
/// playground, which doesn't instantiate an Engine instance.
|
|
static std::shared_ptr<impeller::Context> default_context_;
|
|
|
|
std::shared_ptr<impeller::Context> context_;
|
|
|
|
FML_DISALLOW_COPY_AND_ASSIGN(Context);
|
|
};
|
|
|
|
} // namespace gpu
|
|
} // namespace flutter
|
|
|
|
//----------------------------------------------------------------------------
|
|
/// Exports
|
|
///
|
|
|
|
extern "C" {
|
|
|
|
FLUTTER_GPU_EXPORT
|
|
extern Dart_Handle InternalFlutterGpu_Context_InitializeDefault(
|
|
Dart_Handle wrapper);
|
|
|
|
FLUTTER_GPU_EXPORT
|
|
extern int InternalFlutterGpu_Context_GetBackendType(
|
|
flutter::gpu::Context* wrapper);
|
|
|
|
FLUTTER_GPU_EXPORT
|
|
extern int InternalFlutterGpu_Context_GetDefaultColorFormat(
|
|
flutter::gpu::Context* wrapper);
|
|
|
|
FLUTTER_GPU_EXPORT
|
|
extern int InternalFlutterGpu_Context_GetDefaultStencilFormat(
|
|
flutter::gpu::Context* wrapper);
|
|
|
|
FLUTTER_GPU_EXPORT
|
|
extern int InternalFlutterGpu_Context_GetDefaultDepthStencilFormat(
|
|
flutter::gpu::Context* wrapper);
|
|
|
|
FLUTTER_GPU_EXPORT
|
|
extern int InternalFlutterGpu_Context_GetMinimumUniformByteAlignment(
|
|
flutter::gpu::Context* wrapper);
|
|
|
|
FLUTTER_GPU_EXPORT
|
|
extern bool InternalFlutterGpu_Context_GetSupportsOffscreenMSAA(
|
|
flutter::gpu::Context* wrapper);
|
|
|
|
} // extern "C"
|
|
|
|
#endif // FLUTTER_LIB_GPU_CONTEXT_H_
|