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/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);
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;
170 int vendor_id, device_id;
175 char driver_name[64];
177 { 0x8086, 0x4100, "pvr" },
178 { 0x8086, 0x0130, "pvr" },
182 memset(dri_state, 0, sizeof(*dri_state));
183 dri_state->fd = drm_open_any(&vendor_id, &device_id);
185 if (dri_state->fd < 0) {
186 fprintf(stderr,"can't open DRM devices\n");
187 return VA_STATUS_ERROR_UNKNOWN;
190 if ((driver_name_env = getenv("LIBVA_DRIVER_NAME")) != NULL
191 && geteuid() == getuid()) {
192 /* don't allow setuid apps to use LIBVA_DRIVER_NAME */
193 *driver_name = strdup(driver_name_env);
194 return VA_STATUS_SUCCESS;
195 } else { /* TBD: other vendor driver names */
198 while (devices[i].device_id != 0) {
199 if ((devices[i].vendor_id == vendor_id) &&
200 (devices[i].device_id == device_id))
205 if (devices[i].device_id != 0)
206 *driver_name = strdup(devices[i].driver_name);
208 fprintf(stderr,"device (0x%04x:0x%04x) is not supported\n",
209 vendor_id, device_id);
211 return VA_STATUS_ERROR_UNKNOWN;
215 printf("DRM device is opened, loading driver %s for device 0x%04x:0x%04x\n",
216 driver_name, vendor_id, device_id);
218 dri_state->driConnectedFlag = VA_DUMMY;
220 return VA_STATUS_SUCCESS;
224 VADisplay vaGetDisplay (
225 void *native_dpy /* implementation specific */
228 VADisplay dpy = NULL;
229 VADisplayContextP pDisplayContext = pDisplayContexts;
234 while (pDisplayContext)
236 if (pDisplayContext->pDriverContext &&
237 pDisplayContext->pDriverContext->native_dpy == (void *)native_dpy)
239 dpy = (VADisplay)pDisplayContext;
242 pDisplayContext = pDisplayContext->pNext;
248 /* create new entry */
249 VADriverContextP pDriverContext;
250 struct dri_state *dri_state;
251 pDisplayContext = (VADisplayContextP)calloc(1, sizeof(*pDisplayContext));
252 pDriverContext = (VADriverContextP)calloc(1, sizeof(*pDriverContext));
253 dri_state = (struct dri_state*)calloc(1, sizeof(*dri_state));
254 if (pDisplayContext && pDriverContext && dri_state)
256 pDisplayContext->vadpy_magic = VA_DISPLAY_MAGIC;
258 pDriverContext->native_dpy = (void *)native_dpy;
259 pDisplayContext->pNext = pDisplayContexts;
260 pDisplayContext->pDriverContext = pDriverContext;
261 pDisplayContext->vaIsValid = va_DisplayContextIsValid;
262 pDisplayContext->vaDestroy = va_DisplayContextDestroy;
263 pDisplayContext->vaGetDriverName = va_DisplayContextGetDriverName;
264 pDisplayContexts = pDisplayContext;
265 pDriverContext->dri_state = dri_state;
266 dpy = (VADisplay)pDisplayContext;
271 free(pDisplayContext);
273 free(pDriverContext);
282 #define CTX(dpy) (((VADisplayContextP)dpy)->pDriverContext)
283 #define CHECK_DISPLAY(dpy) if( !vaDisplayIsValid(dpy) ) { return VA_STATUS_ERROR_INVALID_DISPLAY; }
287 VAStatus vaPutSurface (
290 sp<Surface> draw, /* Android Surface/Window */
297 unsigned short destw,
298 unsigned short desth,
299 VARectangle *cliprects, /* client supplied clip list */
300 unsigned int number_cliprects, /* number of clip rects in the clip list */
301 unsigned int flags /* de-interlacing flags */
304 VADriverContextP ctx;
308 return ctx->vtable.vaPutSurface( ctx, surface, static_cast<void*>(&draw), srcx, srcy, srcw, srch,
309 destx, desty, destw, desth,
310 cliprects, number_cliprects, flags );