Home | History | Annotate | Download | only in state_tracker 
      1 /**************************************************************************
      2  *
      3  * Copyright 2016 Advanced Micro Devices, Inc.
      4  * All Rights Reserved.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the
      8  * "Software"), to deal in the Software without restriction, including
      9  * without limitation the rights to use, copy, modify, merge, publish,
     10  * distribute, sub license, and/or sell copies of the Software, and to
     11  * permit persons to whom the Software is furnished to do so, subject to
     12  * the following conditions:
     13  *
     14  * The above copyright notice and this permission notice (including the
     15  * next paragraph) shall be included in all copies or substantial portions
     16  * of the Software.
     17  *
     18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
     21  * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
     22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     25  *
     26  **************************************************************************/
     27 
     28 /*
     29  * Authors:
     30  *      Christian Knig <christian.koenig (at) 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_ */
     95