/* This is actually the entrypoint to the entire driver,
* called by the target bootstrap code.
*/
struct svga_winsys_screen *
svga_drm_winsys_screen_create(int fd)
{
struct vmw_winsys_screen *vws;
struct dri1_api_version drm_ver;
drmVersionPtr ver;
ver = drmGetVersion(fd);
if (ver == NULL)
return NULL;
drm_ver.major = ver->version_major;
drm_ver.minor = ver->version_minor;
drm_ver.patch_level = 0; /* ??? */
drmFreeVersion(ver);
if (!vmw_dri1_check_version(&drm_ver, &drm_required,
&drm_compat, "vmwgfx drm driver"))
return NULL;
vws = vmw_winsys_create(fd);
if (!vws)
goto out_no_vws;
/* XXX do this properly */
vws->base.surface_from_handle = vws->base.have_gb_objects ?
vmw_drm_gb_surface_from_handle : vmw_drm_surface_from_handle;
vws->base.surface_get_handle = vmw_drm_surface_get_handle;
return &vws->base;
out_no_vws:
return NULL;
}
/* This is actually the entrypoint to the entire driver, called by the
* libGL (or EGL, or ...) code via the drm_api_hooks table at the
* bottom of the file.
*/
static struct pipe_screen *
vmw_drm_create_screen(struct drm_api *drm_api,
int fd,
struct drm_create_screen_arg *arg)
{
struct vmw_winsys_screen *vws;
struct pipe_screen *screen;
struct dri1_create_screen_arg *dri1;
if (arg != NULL) {
switch (arg->mode) {
case DRM_CREATE_NORMAL:
break;
case DRM_CREATE_DRI1:
dri1 = (struct dri1_create_screen_arg *)arg;
if (!vmw_dri1_check_version(&dri1->ddx_version, &ddx_required,
&ddx_compat, "ddx - driver api"))
return NULL;
if (!vmw_dri1_check_version(&dri1->dri_version, &dri_required,
&dri_compat, "dri info"))
return NULL;
if (!vmw_dri1_check_version(&dri1->drm_version, &drm_required,
&drm_compat, "vmwgfx drm driver"))
return NULL;
dri1->api = &dri1_api_hooks;
break;
default:
return NULL;
}
}
vws = vmw_winsys_create( fd );
if (!vws)
goto out_no_vws;
screen = svga_screen_create( &vws->base );
if (!screen)
goto out_no_screen;
return screen;
/* Failure cases:
*/
out_no_screen:
vmw_winsys_destroy( vws );
out_no_vws:
return NULL;
}