You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
79 lines
2.6 KiB
79 lines
2.6 KiB
/* |
|
* va_drm_utils.c - VA/DRM Utilities |
|
* |
|
* Copyright (c) 2012 Intel Corporation. All Rights Reserved. |
|
* |
|
* Permission is hereby granted, free of charge, to any person obtaining a |
|
* copy of this software and associated documentation files (the |
|
* "Software"), to deal in the Software without restriction, including |
|
* without limitation the rights to use, copy, modify, merge, publish, |
|
* distribute, sub license, and/or sell copies of the Software, and to |
|
* permit persons to whom the Software is furnished to do so, subject to |
|
* the following conditions: |
|
* |
|
* The above copyright notice and this permission notice (including the |
|
* next paragraph) shall be included in all copies or substantial portions |
|
* of the Software. |
|
* |
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
|
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
|
* IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS BE LIABLE FOR |
|
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
|
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
|
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
|
*/ |
|
|
|
#include "sysdeps.h" |
|
#include <xf86drm.h> |
|
#include "va_drm_utils.h" |
|
#include "va_drmcommon.h" |
|
|
|
struct driver_name_map { |
|
const char *key; |
|
int key_len; |
|
const char *name; |
|
}; |
|
|
|
static const struct driver_name_map g_driver_name_map[] = { |
|
{ "i915", 4, "i965" }, // Intel OTC GenX driver |
|
{ "pvrsrvkm", 8, "pvr" }, // Intel UMG PVR driver |
|
{ "emgd", 4, "emgd" }, // Intel ECG PVR driver |
|
{ NULL, } |
|
}; |
|
|
|
/* Returns the VA driver name for the active display */ |
|
VAStatus |
|
VA_DRM_GetDriverName(VADriverContextP ctx, char **driver_name_ptr) |
|
{ |
|
struct drm_state * const drm_state = ctx->drm_state; |
|
drmVersionPtr drm_version; |
|
char *driver_name = NULL; |
|
const struct driver_name_map *m; |
|
|
|
*driver_name_ptr = NULL; |
|
|
|
if (!drm_state || drm_state->fd < 0) |
|
return VA_STATUS_ERROR_INVALID_DISPLAY; |
|
|
|
drm_version = drmGetVersion(drm_state->fd); |
|
if (!drm_version) |
|
return VA_STATUS_ERROR_UNKNOWN; |
|
|
|
for (m = g_driver_name_map; m->key != NULL; m++) { |
|
if (drm_version->name_len >= m->key_len && |
|
strncmp(drm_version->name, m->key, m->key_len) == 0) |
|
break; |
|
} |
|
drmFreeVersion(drm_version); |
|
|
|
if (!m->name) |
|
return VA_STATUS_ERROR_UNKNOWN; |
|
|
|
driver_name = strdup(m->name); |
|
if (!driver_name) |
|
return VA_STATUS_ERROR_ALLOCATION_FAILED; |
|
|
|
*driver_name_ptr = driver_name; |
|
return VA_STATUS_SUCCESS; |
|
}
|
|
|