va_surface.c revision 2b296ec77c2b95e7632b45100de5a0878ac2a294 
1/**************************************************************************
2 *
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
34boolean vlCreateHTAB(void);
35void vlDestroyHTAB(void);
36vlHandle vlAddDataHTAB(void *data);
37void* vlGetDataHTAB(vlHandle handle);
38
39static enum pipe_video_chroma_format VaRTFormatToPipe(unsigned int va_type)
40{
41   switch (va_type) {
42      case VA_RT_FORMAT_YUV420:
43         return PIPE_VIDEO_CHROMA_FORMAT_420;
44      case VA_RT_FORMAT_YUV422:
45         return PIPE_VIDEO_CHROMA_FORMAT_422;
46      case VA_RT_FORMAT_YUV444:
47         return PIPE_VIDEO_CHROMA_FORMAT_444;
48      default:
49         assert(0);
50   }
51
52   return -1;
53}
54
55VAStatus vlVaCreateSurfaces(       VADriverContextP ctx,
56                                   int width,
57                                   int height,
58                                   int format,
59                                   int num_surfaces,
60                                   VASurfaceID *surfaces)
61{
62	if (!ctx)
63		return VA_STATUS_ERROR_INVALID_CONTEXT;
64
65    /* We only support one format */
66    if (VA_RT_FORMAT_YUV420 != format)
67        return VA_STATUS_ERROR_UNSUPPORTED_RT_FORMAT;
68
69	if (!(width && height))
70		return VA_STATUS_ERROR_INVALID_IMAGE_FORMAT;
71
72	if (!vlCreateHTAB())
73		return VA_STATUS_ERROR_UNKNOWN;
74
75	vlVaSurfacePriv *va_surface = (vlVaSurfacePriv *)CALLOC(num_surfaces,sizeof(vlVaSurfacePriv));
76	if (!va_surface)
77		return VA_STATUS_ERROR_ALLOCATION_FAILED;
78
79	int n = 0;
80	for (n = 0; n < num_surfaces; n++)
81	{
82		va_surface[n].width = width;
83		va_surface[n].height = height;
84		va_surface[n].format = VaRTFormatToPipe(format);
85		va_surface[n].ctx = ctx;
86		surfaces[n] = (VASurfaceID *)vlAddDataHTAB((void *)(va_surface + n));
87	}
88
89	return VA_STATUS_SUCCESS;
90}
91
92VAStatus vlVaDestroySurfaces(       VADriverContextP ctx,
93                                    VASurfaceID *surface_list,
94                                    int num_surfaces)
95{
96	if (!ctx)
97		return VA_STATUS_ERROR_INVALID_CONTEXT;
98
99	return VA_STATUS_ERROR_UNIMPLEMENTED;
100}
101
102VAStatus vlVaSyncSurface(       VADriverContextP ctx,
103                                VASurfaceID render_target)
104{
105	if (!ctx)
106		return VA_STATUS_ERROR_INVALID_CONTEXT;
107
108	return VA_STATUS_ERROR_UNIMPLEMENTED;
109}
110
111VAStatus vlVaQuerySurfaceStatus(       VADriverContextP ctx,
112                                       VASurfaceID render_target,
113                                       VASurfaceStatus *status)
114{
115	if (!ctx)
116		return VA_STATUS_ERROR_INVALID_CONTEXT;
117
118	return VA_STATUS_ERROR_UNIMPLEMENTED;
119}
120
121VAStatus vlVaPutSurface(       VADriverContextP ctx,
122                               VASurfaceID surface,
123                               void* draw,
124                               short srcx,
125                               short srcy,
126                               unsigned short srcw,
127                               unsigned short srch,
128                               short destx,
129                               short desty,
130                               unsigned short destw,
131                               unsigned short desth,
132                               VARectangle *cliprects,
133                               unsigned int number_cliprects,
134                               unsigned int flags)
135{
136	if (!ctx)
137		return VA_STATUS_ERROR_INVALID_CONTEXT;
138
139	return VA_STATUS_ERROR_UNIMPLEMENTED;
140}
141
142VAStatus vlVaLockSurface(	VADriverContextP ctx,
143                            VASurfaceID surface,
144                            unsigned int *fourcc,
145                            unsigned int *luma_stride,
146                            unsigned int *chroma_u_stride,
147                            unsigned int *chroma_v_stride,
148                            unsigned int *luma_offset,
149                            unsigned int *chroma_u_offset,
150                            unsigned int *chroma_v_offset,
151                            unsigned int *buffer_name,
152                            void **buffer)
153{
154	if (!ctx)
155		return VA_STATUS_ERROR_INVALID_CONTEXT;
156
157	return VA_STATUS_ERROR_UNIMPLEMENTED;
158}
159
160VAStatus vlVaUnlockSurface(	VADriverContextP ctx,
161                            VASurfaceID surface)
162{
163	if (!ctx)
164		return VA_STATUS_ERROR_INVALID_CONTEXT;
165
166	return VA_STATUS_ERROR_UNIMPLEMENTED;
167}
168