pipeline_gles.h

Go to the documentation of this file.

// 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.
 
#pragma once
 
#include "flutter/fml/macros.h"
#include "impeller/base/backend_cast.h"
#include "impeller/renderer/backend/gles/buffer_bindings_gles.h"
#include "impeller/renderer/backend/gles/handle_gles.h"
#include "impeller/renderer/backend/gles/reactor_gles.h"
#include "impeller/renderer/pipeline.h"
 
namespace impeller {
 
class PipelineLibraryGLES;
 
class PipelineGLES final
    : public Pipeline<PipelineDescriptor>,
      public BackendCast<PipelineGLES, Pipeline<PipelineDescriptor>> {
 public:
  // |Pipeline|
  ~PipelineGLES() override;
 
  const HandleGLES& GetProgramHandle() const;
 
  [[nodiscard]] bool BindProgram() const;
 
  [[nodiscard]] bool UnbindProgram() const;
 
  const BufferBindingsGLES* GetBufferBindings() const;
 
  [[nodiscard]] bool BuildVertexDescriptor(const ProcTableGLES& gl,
                                           GLuint program);
 
 private:
  friend PipelineLibraryGLES;
 
  ReactorGLES::Ref reactor_;
  HandleGLES handle_;
  std::unique_ptr<BufferBindingsGLES> buffer_bindings_;
  bool is_valid_ = false;
 
  // |Pipeline|
  bool IsValid() const override;
 
  PipelineGLES(ReactorGLES::Ref reactor,
               std::weak_ptr<PipelineLibrary> library,
               const PipelineDescriptor& desc);
 
  FML_DISALLOW_COPY_AND_ASSIGN(PipelineGLES);
};
 
}  // namespace impeller