command_buffer.h

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// 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_COMMAND_BUFFER_H_
#define FLUTTER_LIB_GPU_COMMAND_BUFFER_H_
 
#include "flutter/lib/gpu/context.h"
#include "flutter/lib/gpu/export.h"
#include "flutter/lib/ui/dart_wrapper.h"
#include "impeller/renderer/command_buffer.h"
#include "impeller/renderer/context.h"
 
namespace flutter {
namespace gpu {
 
class CommandBuffer : public RefCountedDartWrappable<CommandBuffer> {
  DEFINE_WRAPPERTYPEINFO();
  FML_FRIEND_MAKE_REF_COUNTED(CommandBuffer);
 
 public:
  CommandBuffer(std::shared_ptr<impeller::Context> context,
                std::shared_ptr<impeller::CommandBuffer> command_buffer);
 
  std::shared_ptr<impeller::CommandBuffer> GetCommandBuffer();
 
  void AddRenderPass(std::shared_ptr<impeller::RenderPass> render_pass);
 
  bool Submit();
  bool Submit(
      const impeller::CommandBuffer::CompletionCallback& completion_callback);
 
  ~CommandBuffer() override;
 
 private:
  std::shared_ptr<impeller::Context> context_;
  std::shared_ptr<impeller::CommandBuffer> command_buffer_;
  std::vector<std::shared_ptr<impeller::RenderPass>> encodables_;
 
  FML_DISALLOW_COPY_AND_ASSIGN(CommandBuffer);
};
 
}  // namespace gpu
}  // namespace flutter
 
//----------------------------------------------------------------------------
/// Exports
///
 
extern "C" {
 
FLUTTER_GPU_EXPORT
extern bool InternalFlutterGpu_CommandBuffer_Initialize(
    Dart_Handle wrapper,
    flutter::gpu::Context* contextWrapper);
 
FLUTTER_GPU_EXPORT
extern Dart_Handle InternalFlutterGpu_CommandBuffer_Submit(
    flutter::gpu::CommandBuffer* wrapper,
    Dart_Handle completion_callback);
 
}  // extern "C"
 
#endif  // FLUTTER_LIB_GPU_COMMAND_BUFFER_H_