blob: a2b262b3795c9bda83e882ecd77fdffe5d7f0d14 [file] [log] [blame] [edit]
// 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_DEVICE_BUFFER_H_
#define FLUTTER_LIB_GPU_DEVICE_BUFFER_H_
#include "flutter/lib/gpu/context.h"
#include "flutter/lib/gpu/export.h"
#include "flutter/lib/ui/dart_wrapper.h"
#include "third_party/tonic/typed_data/dart_byte_data.h"
namespace flutter {
namespace gpu {
class DeviceBuffer : public RefCountedDartWrappable<DeviceBuffer> {
DEFINE_WRAPPERTYPEINFO();
FML_FRIEND_MAKE_REF_COUNTED(DeviceBuffer);
public:
explicit DeviceBuffer(std::shared_ptr<impeller::DeviceBuffer> device_buffer);
~DeviceBuffer() override;
std::shared_ptr<impeller::DeviceBuffer> GetBuffer();
bool Overwrite(const tonic::DartByteData& source_bytes,
size_t destination_offset_in_bytes);
private:
std::shared_ptr<impeller::DeviceBuffer> device_buffer_;
FML_DISALLOW_COPY_AND_ASSIGN(DeviceBuffer);
};
} // namespace gpu
} // namespace flutter
//----------------------------------------------------------------------------
/// Exports
///
extern "C" {
FLUTTER_GPU_EXPORT
extern bool InternalFlutterGpu_DeviceBuffer_Initialize(
Dart_Handle wrapper,
flutter::gpu::Context* gpu_context,
int storage_mode,
int size_in_bytes);
FLUTTER_GPU_EXPORT
extern bool InternalFlutterGpu_DeviceBuffer_InitializeWithHostData(
Dart_Handle wrapper,
flutter::gpu::Context* gpu_context,
Dart_Handle byte_data);
FLUTTER_GPU_EXPORT
extern bool InternalFlutterGpu_DeviceBuffer_Overwrite(
flutter::gpu::DeviceBuffer* wrapper,
Dart_Handle source_byte_data,
int destination_offset_in_bytes);
} // extern "C"
#endif // FLUTTER_LIB_GPU_DEVICE_BUFFER_H_