composer/gl_color_convert.h

/*
 * Copyright (c) 2019, The Linux Foundation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
    * Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above
      copyright notice, this list of conditions and the following
      disclaimer in the documentation and/or other materials provided
      with the distribution.
    * Neither the name of The Linux Foundation nor the names of its
      contributors may be used to endorse or promote products derived
      from this software without specific prior written permission.

 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __GL_COLOR_CONVERT_H__
#define __GL_COLOR_CONVERT_H__

#include <gralloc_priv.h>

namespace sdm {

enum GLRenderTarget {
  kTargetRGBA,
  kTargetYUV,
};

struct GLRect {
  float left = 0.0f;
  float top = 0.0f;
  float right = 0.0f;
  float bottom = 0.0f;
};

class GLColorConvert {
 public:
  static GLColorConvert* GetInstance(GLRenderTarget target, bool secure);
  static void Destroy(GLColorConvert* intf);

  virtual int Blit(const private_handle_t *src_hnd, const private_handle_t *dst_hnd,
                   const GLRect &src_rect, const GLRect &dst_rect, int src_acquire_fence_fd,
                   int dst_acquire_fence_fd, int *release_fence_fd) = 0;
 protected:
  virtual ~GLColorConvert() { }
};

}  // namespace sdm

#endif  // __GL_COLOR_CONVERT_H__