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/*
* 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 PRECISION INSIGHT 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.h"
#include "va_backend.h"
#include "va_drmcommon.h"
#include "va_drm_auth.h"
#include "va_drm_utils.h"
static int
va_DisplayContextIsValid(VADisplayContextP pDisplayContext)
{
VADriverContextP const pDriverContext = pDisplayContext->pDriverContext;
return (pDriverContext &&
((pDriverContext->display_type & VA_DISPLAY_MAJOR_MASK) ==
VA_DISPLAY_DRM));
}
static void
va_DisplayContextDestroy(VADisplayContextP pDisplayContext)
{
if (!pDisplayContext)
return;
free(pDisplayContext->pDriverContext->drm_state);
free(pDisplayContext->pDriverContext);
free(pDisplayContext);
}
static VAStatus
va_DisplayContextGetDriverName(
VADisplayContextP pDisplayContext,
char **driver_name_ptr
)
{
VADriverContextP const ctx = pDisplayContext->pDriverContext;
struct drm_state * const drm_state = ctx->drm_state;
drm_magic_t magic;
VAStatus status;
int ret;
status = VA_DRM_GetDriverName(ctx, driver_name_ptr);
if (status != VA_STATUS_SUCCESS)
return status;
/* Authentication is only needed for a legacy DRM device */
if (ctx->display_type != VA_DISPLAY_DRM_RENDERNODES) {
ret = drmGetMagic(drm_state->fd, &magic);
if (ret < 0)
return VA_STATUS_ERROR_OPERATION_FAILED;
if (!va_drm_authenticate(drm_state->fd, magic))
return VA_STATUS_ERROR_OPERATION_FAILED;
}
drm_state->auth_type = VA_DRM_AUTH_CUSTOM;
return VA_STATUS_SUCCESS;
}
VADisplay
vaGetDisplayDRM(int fd)
{
VADisplayContextP pDisplayContext = NULL;
VADriverContextP pDriverContext = NULL;
struct drm_state *drm_state = NULL;
int is_render_nodes;
if (fd < 0 || (is_render_nodes = VA_DRM_IsRenderNodeFd(fd)) < 0)
return NULL;
/* Create new entry */
/* XXX: handle cache? */
drm_state = calloc(1, sizeof(*drm_state));
if (!drm_state)
goto error;
drm_state->fd = fd;
pDriverContext = calloc(1, sizeof(*pDriverContext));
if (!pDriverContext)
goto error;
pDriverContext->native_dpy = NULL;
pDriverContext->display_type = is_render_nodes ?
VA_DISPLAY_DRM_RENDERNODES : VA_DISPLAY_DRM;
pDriverContext->drm_state = drm_state;
pDisplayContext = calloc(1, sizeof(*pDisplayContext));
if (!pDisplayContext)
goto error;
pDisplayContext->vadpy_magic = VA_DISPLAY_MAGIC;
pDisplayContext->pDriverContext = pDriverContext;
pDisplayContext->vaIsValid = va_DisplayContextIsValid;
pDisplayContext->vaDestroy = va_DisplayContextDestroy;
pDisplayContext->vaGetDriverName = va_DisplayContextGetDriverName;
return pDisplayContext;
error:
free(pDisplayContext);
free(pDriverContext);
free(drm_state);
return NULL;
}
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