android/android-emugl/host/libs/libGLES12Translator/gles/texture_codecs.h

/*
 * Copyright (C) 2014 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef GRAPHICS_TRANSLATION_GLES_TEXTURE_CODECS_H_
#define GRAPHICS_TRANSLATION_GLES_TEXTURE_CODECS_H_

#include <stddef.h>
#include <GLES/gl.h>

class ConverterBase;

class TextureConverter {
 public:
  TextureConverter(GLenum src_format, GLenum src_type,
                   GLenum dst_format, GLenum dst_type);
  ~TextureConverter();

  bool IsValid() const;

  void* Convert(size_t width, size_t height, size_t alignment,
                const void* __restrict__ src, void* __restrict__ dst) const;

 private:
  void InitializeConverter();

  ConverterBase* converter_;
  GLenum src_format_;
  GLenum src_type_;
  GLenum dst_format_;
  GLenum dst_type_;

  TextureConverter(const TextureConverter&);
  TextureConverter& operator=(const TextureConverter&);
};

#endif  // GRAPHICS_TRANSLATION_GLES_TEXTURE_CODECS_H_