embedder_external_texture_resolver.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_SHELL_PLATFORM_EMBEDDER_EMBEDDER_EXTERNAL_TEXTURE_RESOLVER_H_
#define FLUTTER_SHELL_PLATFORM_EMBEDDER_EMBEDDER_EXTERNAL_TEXTURE_RESOLVER_H_
 
#include <memory>
 
#include "flutter/common/graphics/texture.h"
 
#ifdef SHELL_ENABLE_GL
#include "flutter/shell/platform/embedder/embedder_external_texture_gl.h"
#endif
 
#ifdef SHELL_ENABLE_METAL
#include "flutter/shell/platform/embedder/embedder_external_texture_metal.h"
#endif
 
namespace flutter {
class EmbedderExternalTextureResolver {
 public:
  EmbedderExternalTextureResolver() = default;
 
  ~EmbedderExternalTextureResolver() = default;
 
#ifdef SHELL_ENABLE_GL
  explicit EmbedderExternalTextureResolver(
      EmbedderExternalTextureGL::ExternalTextureCallback gl_callback);
#endif
 
#ifdef SHELL_ENABLE_METAL
  explicit EmbedderExternalTextureResolver(
      EmbedderExternalTextureMetal::ExternalTextureCallback metal_callback);
#endif
 
  std::unique_ptr<Texture> ResolveExternalTexture(int64_t texture_id);
 
  bool SupportsExternalTextures();
 
 private:
#ifdef SHELL_ENABLE_GL
  EmbedderExternalTextureGL::ExternalTextureCallback gl_callback_;
#endif
 
#ifdef SHELL_ENABLE_METAL
  EmbedderExternalTextureMetal::ExternalTextureCallback metal_callback_;
#endif
 
  FML_DISALLOW_COPY_AND_ASSIGN(EmbedderExternalTextureResolver);
};
}  // namespace flutter
 
#endif  // FLUTTER_SHELL_PLATFORM_EMBEDDER_EMBEDDER_EXTERNAL_TEXTURE_RESOLVER_H_