allocator_gles.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_IMPELLER_RENDERER_BACKEND_GLES_ALLOCATOR_GLES_H_
#define FLUTTER_IMPELLER_RENDERER_BACKEND_GLES_ALLOCATOR_GLES_H_
 
#include "flutter/fml/macros.h"
#include "impeller/core/allocator.h"
#include "impeller/renderer/backend/gles/reactor_gles.h"
 
namespace impeller {
 
class AllocatorGLES final : public Allocator {
 public:
  // |Allocator|
  ~AllocatorGLES() override;
 
 private:
  friend class ContextGLES;
 
  ReactorGLES::Ref reactor_;
  bool is_valid_ = false;
 
  explicit AllocatorGLES(ReactorGLES::Ref reactor);
 
  // |Allocator|
  bool IsValid() const;
 
  // |Allocator|
  std::shared_ptr<DeviceBuffer> OnCreateBuffer(
      const DeviceBufferDescriptor& desc) override;
 
  // |Allocator|
  std::shared_ptr<Texture> OnCreateTexture(
      const TextureDescriptor& desc) override;
 
  // |Allocator|
  ISize GetMaxTextureSizeSupported() const override;
 
  AllocatorGLES(const AllocatorGLES&) = delete;
 
  AllocatorGLES& operator=(const AllocatorGLES&) = delete;
};
 
}  // namespace impeller
 
#endif  // FLUTTER_IMPELLER_RENDERER_BACKEND_GLES_ALLOCATOR_GLES_H_