diff options
Diffstat (limited to 'src/gallium/drivers/identity/id_drm.c')
| -rw-r--r-- | src/gallium/drivers/identity/id_drm.c | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/src/gallium/drivers/identity/id_drm.c b/src/gallium/drivers/identity/id_drm.c new file mode 100644 index 0000000000..14f68ac0d0 --- /dev/null +++ b/src/gallium/drivers/identity/id_drm.c @@ -0,0 +1,173 @@ +/************************************************************************** + * + * Copyright 2009 VMware, Inc. + * 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 VMWARE 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 "state_tracker/drm_api.h" + +#include "util/u_memory.h" +#include "identity/id_drm.h" +#include "identity/id_screen.h" +#include "identity/id_public.h" +#include "identity/id_screen.h" +#include "identity/id_objects.h" + +struct identity_drm_api +{ + struct drm_api base; + + struct drm_api *api; +}; + +static INLINE struct identity_drm_api * +identity_drm_api(struct drm_api *_api) +{ + return (struct identity_drm_api *)_api; +} + +static struct pipe_screen * +identity_drm_create_screen(struct drm_api *_api, int fd, + struct drm_create_screen_arg *arg) +{ + struct identity_drm_api *id_api = identity_drm_api(_api); + struct drm_api *api = id_api->api; + struct pipe_screen *screen; + + if (arg && arg->mode != DRM_CREATE_NORMAL) + return NULL; + + screen = api->create_screen(api, fd, arg); + + return identity_screen_create(screen); +} + +static struct pipe_context * +identity_drm_create_context(struct drm_api *_api, + struct pipe_screen *_screen) +{ + struct identity_screen *id_screen = identity_screen(_screen); + struct identity_drm_api *id_api = identity_drm_api(_api); + struct pipe_screen *screen = id_screen->screen; + struct drm_api *api = id_api->api; + struct pipe_context *pipe; + + pipe = api->create_context(api, screen); + + pipe = identity_context_create(_screen, pipe); + + return pipe; +} + +static struct pipe_texture * +identity_drm_texture_from_shared_handle(struct drm_api *_api, + struct pipe_screen *_screen, + struct pipe_texture *templ, + const char *name, + unsigned stride, + unsigned handle) +{ + struct identity_screen *id_screen = identity_screen(_screen); + struct identity_drm_api *id_api = identity_drm_api(_api); + struct pipe_screen *screen = id_screen->screen; + struct drm_api *api = id_api->api; + struct pipe_texture *result; + + result = api->texture_from_shared_handle(api, screen, templ, name, stride, handle); + + result = identity_texture_create(identity_screen(_screen), result); + + return result; +} + +static boolean +identity_drm_shared_handle_from_texture(struct drm_api *_api, + struct pipe_screen *_screen, + struct pipe_texture *_texture, + unsigned *stride, + unsigned *handle) +{ + struct identity_screen *id_screen = identity_screen(_screen); + struct identity_texture *id_texture = identity_texture(_texture); + struct identity_drm_api *id_api = identity_drm_api(_api); + struct pipe_screen *screen = id_screen->screen; + struct pipe_texture *texture = id_texture->texture; + struct drm_api *api = id_api->api; + + return api->shared_handle_from_texture(api, screen, texture, stride, handle); +} + +static boolean +identity_drm_local_handle_from_texture(struct drm_api *_api, + struct pipe_screen *_screen, + struct pipe_texture *_texture, + unsigned *stride, + unsigned *handle) +{ + struct identity_screen *id_screen = identity_screen(_screen); + struct identity_texture *id_texture = identity_texture(_texture); + struct identity_drm_api *id_api = identity_drm_api(_api); + struct pipe_screen *screen = id_screen->screen; + struct pipe_texture *texture = id_texture->texture; + struct drm_api *api = id_api->api; + + return api->local_handle_from_texture(api, screen, texture, stride, handle); +} + +static void +identity_drm_destroy(struct drm_api *_api) +{ + struct identity_drm_api *id_api = identity_drm_api(_api); + struct drm_api *api = id_api->api; + api->destroy(api); + + free(id_api); +} + +struct drm_api * +identity_drm_create(struct drm_api *api) +{ + struct identity_drm_api *id_api; + + if (!api) + goto error; + + id_api = CALLOC_STRUCT(identity_drm_api); + + if (!id_api) + goto error; + + id_api->base.create_screen = identity_drm_create_screen; + id_api->base.create_context = identity_drm_create_context; + id_api->base.texture_from_shared_handle = identity_drm_texture_from_shared_handle; + id_api->base.shared_handle_from_texture = identity_drm_shared_handle_from_texture; + id_api->base.local_handle_from_texture = identity_drm_local_handle_from_texture; + id_api->base.destroy = identity_drm_destroy; + id_api->api = api; + + return &id_api->base; + +error: + return api; +} |