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      1 /**************************************************************************
      2  *
      3  * Copyright 2010 Thomas Balling Srensen & Orasanu Lucian.
      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 TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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 #include <va/va.h>
     29 #include <va/va_backend.h>
     30 #include "util/u_debug.h"
     31 #include "util/u_memory.h"
     32 #include "va_private.h"
     33 
     34 static enum pipe_video_chroma_format
     35 VaRTFormatToPipe(unsigned int va_type)
     36 {
     37    switch (va_type) {
     38    case VA_RT_FORMAT_YUV420:
     39       return PIPE_VIDEO_CHROMA_FORMAT_420;
     40    case VA_RT_FORMAT_YUV422:
     41       return PIPE_VIDEO_CHROMA_FORMAT_422;
     42    case VA_RT_FORMAT_YUV444:
     43       return PIPE_VIDEO_CHROMA_FORMAT_444;
     44    default:
     45       assert(0);
     46    }
     47 
     48    return -1;
     49 }
     50 
     51 VAStatus
     52 vlVaCreateSurfaces(VADriverContextP ctx, int width, int height, int format,
     53                    int num_surfaces, VASurfaceID *surfaces)
     54 {
     55    if (!ctx)
     56       return VA_STATUS_ERROR_INVALID_CONTEXT;
     57 
     58    /* We only support one format */
     59    if (VA_RT_FORMAT_YUV420 != format)
     60       return VA_STATUS_ERROR_UNSUPPORTED_RT_FORMAT;
     61 
     62    if (!(width && height))
     63       return VA_STATUS_ERROR_INVALID_IMAGE_FORMAT;
     64 
     65    if (!vlCreateHTAB())
     66       return VA_STATUS_ERROR_UNKNOWN;
     67 
     68    vlVaSurfacePriv *va_surface = (vlVaSurfacePriv *)CALLOC(num_surfaces,sizeof(vlVaSurfacePriv));
     69    if (!va_surface)
     70       return VA_STATUS_ERROR_ALLOCATION_FAILED;
     71 
     72    int n = 0;
     73    for (n = 0; n < num_surfaces; n++) {
     74       va_surface[n].width = width;
     75       va_surface[n].height = height;
     76       va_surface[n].format = VaRTFormatToPipe(format);
     77       va_surface[n].ctx = ctx;
     78       surfaces[n] = vlAddDataHTAB((void *)(va_surface + n));
     79    }
     80 
     81    return VA_STATUS_SUCCESS;
     82 }
     83 
     84 VAStatus
     85 vlVaDestroySurfaces(VADriverContextP ctx, VASurfaceID *surface_list, int num_surfaces)
     86 {
     87    if (!ctx)
     88       return VA_STATUS_ERROR_INVALID_CONTEXT;
     89 
     90    return VA_STATUS_ERROR_UNIMPLEMENTED;
     91 }
     92 
     93 VAStatus
     94 vlVaSyncSurface(VADriverContextP ctx, VASurfaceID render_target)
     95 {
     96    if (!ctx)
     97       return VA_STATUS_ERROR_INVALID_CONTEXT;
     98 
     99    return VA_STATUS_ERROR_UNIMPLEMENTED;
    100 }
    101 
    102 VAStatus
    103 vlVaQuerySurfaceStatus(VADriverContextP ctx, VASurfaceID render_target, VASurfaceStatus *status)
    104 {
    105    if (!ctx)
    106       return VA_STATUS_ERROR_INVALID_CONTEXT;
    107 
    108    return VA_STATUS_ERROR_UNIMPLEMENTED;
    109 }
    110 
    111 VAStatus
    112 vlVaPutSurface(VADriverContextP ctx, VASurfaceID surface, void* draw, short srcx, short srcy,
    113                unsigned short srcw, unsigned short srch, short destx, short desty,
    114                unsigned short destw, unsigned short desth, VARectangle *cliprects,
    115                unsigned int number_cliprects,  unsigned int flags)
    116 {
    117    if (!ctx)
    118       return VA_STATUS_ERROR_INVALID_CONTEXT;
    119 
    120    return VA_STATUS_ERROR_UNIMPLEMENTED;
    121 }
    122 
    123 VAStatus
    124 vlVaLockSurface(VADriverContextP ctx, VASurfaceID surface, unsigned int *fourcc,
    125                 unsigned int *luma_stride, unsigned int *chroma_u_stride, unsigned int *chroma_v_stride,
    126                 unsigned int *luma_offset, unsigned int *chroma_u_offset, unsigned int *chroma_v_offset,
    127                 unsigned int *buffer_name, void **buffer)
    128 {
    129    if (!ctx)
    130       return VA_STATUS_ERROR_INVALID_CONTEXT;
    131 
    132    return VA_STATUS_ERROR_UNIMPLEMENTED;
    133 }
    134 
    135 VAStatus
    136 vlVaUnlockSurface(VADriverContextP ctx, VASurfaceID surface)
    137 {
    138    if (!ctx)
    139       return VA_STATUS_ERROR_INVALID_CONTEXT;
    140 
    141    return VA_STATUS_ERROR_UNIMPLEMENTED;
    142 }
    143