src/gallium/include/state_tracker/vdpau_dmabuf.h

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   3  * Copyright 2016 Advanced Micro Devices, Inc.
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  27
  28 /*
  29  * Authors:
  30  *      Christian König <christian.koenig@amd.com>
  31  *
  32  */
  33
  34 #ifndef _VDPAU_DMABUF_H_
  35 #define _VDPAU_DMABUF_H_
  36
  37 #include <vdpau/vdpau.h>
  38
  39 /* driver specific functions for NV_vdpau_interop */
  40 #ifndef VDP_FUNC_ID_BASE_DRIVER
  41 #define VDP_FUNC_ID_BASE_DRIVER 0x2000
  42 #endif
  43
  44 /* New DMA-buf based implementation */
  45 #define VDP_FUNC_ID_VIDEO_SURFACE_DMA_BUF (VDP_FUNC_ID_BASE_DRIVER + 2)
  46 #define VDP_FUNC_ID_OUTPUT_SURFACE_DMA_BUF (VDP_FUNC_ID_BASE_DRIVER + 3)
  47
  48 /* Define some more internal RGBA formats for more
  49  * robust handling of Video Surfaces
  50  */
  51 #define VDP_RGBA_FORMAT_R8          (-1)
  52 #define VDP_RGBA_FORMAT_R8G8        (-2)
  53
  54 struct VdpSurfaceDMABufDesc {
  55    /* DMA-buf file descriptor */
  56    uint32_t handle;
  57    /* Width in pixel */
  58    uint32_t width;
  59    /* Height in pixel */
  60    uint32_t height;
  61    /* Offset in bytes */
  62    uint32_t offset;
  63    /* Stride in bytes */
  64    uint32_t stride;
  65    /* VDP_RGBA_FORMAT_* as defined in the VDPAU spec and above. */
  66    uint32_t format;
  67 };
  68
  69 /**
  70  * \brief Video surface planes
  71  */
  72 typedef uint32_t VdpVideoSurfacePlane;
  73
  74 /** \hideinitializer \brief Luma top field */
  75 #define VDP_VIDEO_SURFACE_PLANE_LUMA_TOP      ((VdpVideoSurfacePlane)0)
  76 /** \hideinitializer \brief Luma bottom field */
  77 #define VDP_VIDEO_SURFACE_PLANE_LUMA_BOTTOM   ((VdpVideoSurfacePlane)1)
  78 /** \hideinitializer \brief Chroma top field */
  79 #define VDP_VIDEO_SURFACE_PLANE_CHROMA_TOP    ((VdpVideoSurfacePlane)2)
  80 /** \hideinitializer \brief Chroma bottom field */
  81 #define VDP_VIDEO_SURFACE_PLANE_CHROMA_BOTTOM ((VdpVideoSurfacePlane)3)
  82
  83 typedef VdpStatus VdpVideoSurfaceDMABuf(
  84    VdpVideoSurface               surface,
  85    VdpVideoSurfacePlane          plane,
  86    struct VdpSurfaceDMABufDesc * result
  87 );
  88
  89 typedef VdpStatus VdpOutputSurfaceDMABuf(
  90    VdpOutputSurface              surface,
  91    struct VdpSurfaceDMABufDesc * result
  92 );
  93
  94 #endif /* _VDPAU_DMABUF_H_ */