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  1. /*
  2.  * Copyright (C) 2009 Splitted-Desktop Systems. All Rights Reserved.
  3.  *
  4.  * Permission is hereby granted, free of charge, to any person obtaining a
  5.  * copy of this software and associated documentation files (the
  6.  * "Software"), to deal in the Software without restriction, including
  7.  * without limitation the rights to use, copy, modify, merge, publish,
  8.  * distribute, sub license, and/or sell copies of the Software, and to
  9.  * permit persons to whom the Software is furnished to do so, subject to
  10.  * the following conditions:
  11.  *
  12.  * The above copyright notice and this permission notice (including the
  13.  * next paragraph) shall be included in all copies or substantial portions
  14.  * of the Software.
  15.  *
  16.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  17.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  18.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  19.  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  20.  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  21.  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  22.  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23.  */
  24.  
  25. #ifndef VA_GLX_H
  26. #define VA_GLX_H
  27.  
  28. #include <va/va.h>
  29. #include <GL/glx.h>
  30.  
  31. #ifdef __cplusplus
  32. extern "C" {
  33. #endif
  34.  
  35. /**
  36.  * Return a suitable VADisplay for VA API
  37.  *
  38.  * @param[in] dpy the X11 display
  39.  * @return a VADisplay
  40.  */
  41. VADisplay vaGetDisplayGLX(
  42.     Display *dpy
  43. );
  44.  
  45. /**
  46.  * Create a surface used for display to OpenGL
  47.  *
  48.  * The application shall maintain the live GLX context itself.
  49.  * Implementations are free to use glXGetCurrentContext() and
  50.  * glXGetCurrentDrawable() functions for internal purposes.
  51.  *
  52.  * @param[in]  dpy        the VA display
  53.  * @param[in]  target     the GL target to which the texture needs to be bound
  54.  * @param[in]  texture    the GL texture
  55.  * @param[out] gl_surface the VA/GLX surface
  56.  * @return VA_STATUS_SUCCESS if successful
  57.  */
  58. VAStatus vaCreateSurfaceGLX(
  59.     VADisplay dpy,
  60.     GLenum    target,
  61.     GLuint    texture,
  62.     void    **gl_surface
  63. );
  64.  
  65. /**
  66.  * Destroy a VA/GLX surface
  67.  *
  68.  * The application shall maintain the live GLX context itself.
  69.  * Implementations are free to use glXGetCurrentContext() and
  70.  * glXGetCurrentDrawable() functions for internal purposes.
  71.  *
  72.  * @param[in]  dpy        the VA display
  73.  * @param[in]  gl_surface the VA surface
  74.  * @return VA_STATUS_SUCCESS if successful
  75.  */
  76. VAStatus vaDestroySurfaceGLX(
  77.     VADisplay dpy,
  78.     void     *gl_surface
  79. );
  80.  
  81. /**
  82.  * Copy a VA surface to a VA/GLX surface
  83.  *
  84.  * This function will not return until the copy is completed. At this
  85.  * point, the underlying GL texture will contain the surface pixels
  86.  * in an RGB format defined by the user.
  87.  *
  88.  * The application shall maintain the live GLX context itself.
  89.  * Implementations are free to use glXGetCurrentContext() and
  90.  * glXGetCurrentDrawable() functions for internal purposes.
  91.  *
  92.  * @param[in]  dpy        the VA display
  93.  * @param[in]  gl_surface the VA/GLX destination surface
  94.  * @param[in]  surface    the VA source surface
  95.  * @param[in]  flags      the PutSurface flags
  96.  * @return VA_STATUS_SUCCESS if successful
  97.  */
  98. VAStatus vaCopySurfaceGLX(
  99.     VADisplay    dpy,
  100.     void        *gl_surface,
  101.     VASurfaceID  surface,
  102.     unsigned int flags
  103. );
  104.  
  105. #ifdef __cplusplus
  106. }
  107. #endif
  108.  
  109. #endif /* VA_GLX_H */
  110.