2 * Copyright (c) 2007 Intel Corporation. All Rights Reserved.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sub license, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial portions
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
19 * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
20 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
21 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
22 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 #include "va_backend.h"
28 #include "va_android.h"
29 #include "va_dricommon.h" /* needs some helper functions from this file */
35 #include <sys/types.h>
45 #define CHECK_SYMBOL(func) { if (!func) printf("func %s not found\n", #func); return VA_STATUS_ERROR_UNKNOWN; }
46 #define DEVICE_NAME "/dev/dri/card0"
48 static VADisplayContextP pDisplayContexts = NULL;
50 static int open_device (char *dev_name)
55 if (-1 == stat (dev_name, &st))
57 printf ("Cannot identify '%s': %d, %s\n",
58 dev_name, errno, strerror (errno));
62 if (!S_ISCHR (st.st_mode))
64 printf ("%s is no device\n", dev_name);
68 fd = open (dev_name, O_RDWR /* required */ | O_NONBLOCK, 0);
72 fprintf (stderr, "Cannot open '%s': %d, %s\n",
73 dev_name, errno, strerror (errno));
80 static int va_DisplayContextIsValid (
81 VADisplayContextP pDisplayContext
84 VADisplayContextP ctx = pDisplayContexts;
88 if (ctx == pDisplayContext && pDisplayContext->pDriverContext)
95 static void va_DisplayContextDestroy (
96 VADisplayContextP pDisplayContext
99 VADisplayContextP *ctx = &pDisplayContexts;
101 /* Throw away pDisplayContext */
104 if (*ctx == pDisplayContext)
106 *ctx = pDisplayContext->pNext;
107 pDisplayContext->pNext = NULL;
110 ctx = &((*ctx)->pNext);
112 free(pDisplayContext->pDriverContext->dri_state);
113 free(pDisplayContext->pDriverContext);
114 free(pDisplayContext);
118 static VAStatus va_DisplayContextGetDriverName (
119 VADisplayContextP pDisplayContext,
123 VADriverContextP ctx = pDisplayContext->pDriverContext;
124 struct dri_state *dri_state = (struct dri_state *)ctx->dri_state;
125 char *driver_name_env;
126 int vendor_id, device_id;
131 char driver_name[64];
133 { 0x8086, 0x4100, "pvr" },
134 { 0x8086, 0x0130, "pvr" },
138 memset(dri_state, 0, sizeof(*dri_state));
139 dri_state->fd = open_device(DEVICE_NAME);
141 if (dri_state->fd < 0) {
142 fprintf(stderr,"can't open DRM devices\n");
143 return VA_STATUS_ERROR_UNKNOWN;
146 if ((driver_name_env = getenv("LIBVA_DRIVER_NAME")) != NULL
147 && geteuid() == getuid()) {
148 /* don't allow setuid apps to use LIBVA_DRIVER_NAME */
149 *driver_name = strdup(driver_name_env);
150 return VA_STATUS_SUCCESS;
151 } else { /* TBD: other vendor driver names */
152 vendor_id = devices[0].vendor_id;
153 device_id = devices[0].device_id;
154 *driver_name = strdup(devices[0].driver_name);
157 dri_state->driConnectedFlag = VA_DUMMY;
159 return VA_STATUS_SUCCESS;
162 static VAStatus va_DisplayContextGetDriverName (
163 VADisplayContextP pDisplayContext,
167 VADriverContextP ctx = pDisplayContext->pDriverContext;
168 struct dri_state *dri_state = (struct dri_state *)ctx->dri_state;
169 char *driver_name_env;
172 unsigned int vendor_id;
173 unsigned int device_id;
174 char driver_name[64];
176 { 0x8086, 0x4100, "pvr" },
179 memset(dri_state, 0, sizeof(*dri_state));
180 dri_state->fd = drm_open_any_master();
181 if (dri_state->fd < 0) {
182 fprintf(stderr, "open DRM device by udev failed, try /dev/dri/card0\n");
183 dri_state->fd = open("/dev/dri/card0", O_RDWR);
186 if (dri_state->fd < 0) {
187 fprintf(stderr,"can't open DRM devices\n");
188 return VA_STATUS_ERROR_UNKNOWN;
191 if ((driver_name_env = getenv("LIBVA_DRIVER_NAME")) != NULL
192 && geteuid() == getuid())
194 /* don't allow setuid apps to use LIBVA_DRIVER_NAME */
195 *driver_name = strdup(driver_name_env);
196 return VA_STATUS_SUCCESS;
197 } else /* TBD: other vendor driver names */
198 *driver_name = strdup(devices[0].driver_name);
201 dri_state->driConnectedFlag = VA_DUMMY;
203 return VA_STATUS_SUCCESS;
207 VADisplay vaGetDisplay (
208 void *native_dpy /* implementation specific */
211 VADisplay dpy = NULL;
212 VADisplayContextP pDisplayContext = pDisplayContexts;
217 while (pDisplayContext)
219 if (pDisplayContext->pDriverContext &&
220 pDisplayContext->pDriverContext->native_dpy == (void *)native_dpy)
222 dpy = (VADisplay)pDisplayContext;
225 pDisplayContext = pDisplayContext->pNext;
231 /* create new entry */
232 VADriverContextP pDriverContext;
233 struct dri_state *dri_state;
234 pDisplayContext = (VADisplayContextP)calloc(1, sizeof(*pDisplayContext));
235 pDriverContext = (VADriverContextP)calloc(1, sizeof(*pDriverContext));
236 dri_state = calloc(1, sizeof(*dri_state));
237 if (pDisplayContext && pDriverContext && dri_state)
239 pDisplayContext->vadpy_magic = VA_DISPLAY_MAGIC;
241 pDriverContext->native_dpy = (void *)native_dpy;
242 pDisplayContext->pNext = pDisplayContexts;
243 pDisplayContext->pDriverContext = pDriverContext;
244 pDisplayContext->vaIsValid = va_DisplayContextIsValid;
245 pDisplayContext->vaDestroy = va_DisplayContextDestroy;
246 pDisplayContext->vaGetDriverName = va_DisplayContextGetDriverName;
247 pDisplayContexts = pDisplayContext;
248 pDriverContext->dri_state = dri_state;
249 dpy = (VADisplay)pDisplayContext;
254 free(pDisplayContext);
256 free(pDriverContext);
265 #define CTX(dpy) (((VADisplayContextP)dpy)->pDriverContext)
266 #define CHECK_DISPLAY(dpy) if( !vaDisplayIsValid(dpy) ) { return VA_STATUS_ERROR_INVALID_DISPLAY; }
268 static int vaDisplayIsValid(VADisplay dpy)
270 VADisplayContextP pDisplayContext = (VADisplayContextP)dpy;
271 return pDisplayContext && (pDisplayContext->vadpy_magic == VA_DISPLAY_MAGIC) && pDisplayContext->vaIsValid(pDisplayContext);
275 VAStatus vaPutSurface (
278 Surface *draw, /* Android Surface/Window */
285 unsigned short destw,
286 unsigned short desth,
287 VARectangle *cliprects, /* client supplied clip list */
288 unsigned int number_cliprects, /* number of clip rects in the clip list */
289 unsigned int flags /* de-interlacing flags */
292 VADriverContextP ctx;
296 return ctx->vtable.vaPutSurface( ctx, surface, (void *)draw, srcx, srcy, srcw, srch,
297 destx, desty, destw, desth,
298 cliprects, number_cliprects, flags );