va_surface.c revision 8bc7ccede1e126329c371e22b6d462edd21720d0 
1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/**************************************************************************
2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *
3 * Copyright 2010 Thomas Balling Sørensen & 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
34static enum pipe_video_chroma_format
35VaRTFormatToPipe(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
51VAStatus
52vlVaCreateSurfaces(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
84VAStatus
85vlVaDestroySurfaces(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
93VAStatus
94vlVaSyncSurface(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
102VAStatus
103vlVaQuerySurfaceStatus(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
111VAStatus
112vlVaPutSurface(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
123VAStatus
124vlVaLockSurface(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
135VAStatus
136vlVaUnlockSurface(VADriverContextP ctx, VASurfaceID surface)
137{
138   if (!ctx)
139      return VA_STATUS_ERROR_INVALID_CONTEXT;
140
141   return VA_STATUS_ERROR_UNIMPLEMENTED;
142}
143