embedder_external_texture_resolver.cc

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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.
 
#include "flutter/shell/platform/embedder/embedder_external_texture_resolver.h"
 
#include <memory>
#include <utility>
 
namespace flutter {
 
#ifdef SHELL_ENABLE_GL
EmbedderExternalTextureResolver::EmbedderExternalTextureResolver(
    EmbedderExternalTextureGL::ExternalTextureCallback gl_callback)
    : gl_callback_(std::move(gl_callback)) {}
#endif
 
#ifdef SHELL_ENABLE_METAL
EmbedderExternalTextureResolver::EmbedderExternalTextureResolver(
    EmbedderExternalTextureMetal::ExternalTextureCallback metal_callback)
    : metal_callback_(std::move(metal_callback)) {}
#endif
 
std::unique_ptr<Texture>
EmbedderExternalTextureResolver::ResolveExternalTexture(int64_t texture_id) {
#ifdef SHELL_ENABLE_GL
  if (gl_callback_) {
    return std::make_unique<EmbedderExternalTextureGL>(texture_id,
                                                       gl_callback_);
  }
#endif
 
#ifdef SHELL_ENABLE_METAL
  if (metal_callback_) {
    return std::make_unique<EmbedderExternalTextureMetal>(texture_id,
                                                          metal_callback_);
  }
#endif
 
  return nullptr;
}
 
bool EmbedderExternalTextureResolver::SupportsExternalTextures() {
#ifdef SHELL_ENABLE_GL
  if (gl_callback_) {
    return true;
  }
#endif
 
#ifdef SHELL_ENABLE_METAL
  if (metal_callback_) {
    return true;
  }
#endif
 
  return false;
}
 
}  // namespace flutter