src/gallium/include/frontend/winsys_handle.h

   1
   2 #ifndef _WINSYS_HANDLE_H_
   3 #define _WINSYS_HANDLE_H_
   4
   5 #ifdef __cplusplus
   6 extern "C" {
   7 #endif
   8
   9 #define WINSYS_HANDLE_TYPE_SHARED 0
  10 #define WINSYS_HANDLE_TYPE_KMS    1
  11 #define WINSYS_HANDLE_TYPE_FD     2
  12 #define WINSYS_HANDLE_TYPE_SHMID   3
  13
  14 /**
  15  * For use with pipe_screen::{texture_from_handle|texture_get_handle}.
  16  */
  17 struct winsys_handle
  18 {
  19    /**
  20     * Input for texture_from_handle, valid values are
  21     * WINSYS_HANDLE_TYPE_SHARED or WINSYS_HANDLE_TYPE_FD.
  22     * Input to texture_get_handle,
  23     * to select handle for kms, flink, or prime.
  24     */
  25    unsigned type;
  26    /**
  27     * Input for texture_get_handle, allows to export the offset
  28     * of a specific layer of an array texture.
  29     */
  30    unsigned layer;
  31    /**
  32     * Input for texture_get_handle, allows to export of a specific plane of a
  33     * texture.
  34     */
  35    unsigned plane;
  36    /**
  37     * Input to texture_from_handle.
  38     * Output for texture_get_handle.
  39     */
  40    unsigned handle;
  41    /**
  42     * Input to texture_from_handle.
  43     * Output for texture_get_handle.
  44     */
  45    unsigned stride;
  46    /**
  47     * Input to texture_from_handle.
  48     * Output for texture_get_handle.
  49     */
  50    unsigned offset;
  51
  52    /**
  53     * Input to resource_from_handle.
  54     * Output from resource_get_handle.
  55     */
  56    uint64_t format;
  57
  58    /**
  59     * Input to resource_from_handle.
  60     * Output from resource_get_handle.
  61     */
  62    uint64_t modifier;
  63 };
  64
  65 #ifdef __cplusplus
  66 }
  67 #endif
  68
  69 #endif /* _WINSYS_HANDLE_H_ */