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/**************************************************************************
*
* 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_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 boolean
identity_drm_buffer_from_texture(struct drm_api *_api,
struct pipe_texture *_texture,
struct pipe_buffer **_buffer,
unsigned *stride)
{
struct identity_texture *id_texture = identity_texture(_texture);
struct identity_drm_api *id_api = identity_drm_api(_api);
struct pipe_texture *texture = id_texture->texture;
struct drm_api *api = id_api->api;
struct pipe_buffer *buffer = NULL;
boolean result;
result = api->buffer_from_texture(api, texture, &buffer, stride);
if (result && _buffer)
buffer = identity_buffer_create(identity_screen(texture->screen), buffer);
if (_buffer)
*_buffer = buffer;
else
pipe_buffer_reference(&buffer, NULL);
return result;
}
static struct pipe_buffer *
identity_drm_buffer_from_handle(struct drm_api *_api,
struct pipe_screen *_screen,
const char *name,
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_buffer *result;
result = api->buffer_from_handle(api, screen, name, handle);
result = identity_buffer_create(identity_screen(_screen), result);
return result;
}
static boolean
identity_drm_handle_from_buffer(struct drm_api *_api,
struct pipe_screen *_screen,
struct pipe_buffer *_buffer,
unsigned *handle)
{
struct identity_screen *id_screen = identity_screen(_screen);
struct identity_buffer *id_buffer = identity_buffer(_buffer);
struct identity_drm_api *id_api = identity_drm_api(_api);
struct pipe_screen *screen = id_screen->screen;
struct pipe_buffer *buffer = id_buffer->buffer;
struct drm_api *api = id_api->api;
return api->handle_from_buffer(api, screen, buffer, handle);
}
static boolean
identity_drm_global_handle_from_buffer(struct drm_api *_api,
struct pipe_screen *_screen,
struct pipe_buffer *_buffer,
unsigned *handle)
{
struct identity_screen *id_screen = identity_screen(_screen);
struct identity_buffer *id_buffer = identity_buffer(_buffer);
struct identity_drm_api *id_api = identity_drm_api(_api);
struct pipe_screen *screen = id_screen->screen;
struct pipe_buffer *buffer = id_buffer->buffer;
struct drm_api *api = id_api->api;
return api->global_handle_from_buffer(api, screen, buffer, 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 = CALLOC_STRUCT(identity_drm_api);
if (!id_api)
return NULL;
id_api->base.create_screen = identity_drm_create_screen;
id_api->base.create_context = identity_drm_create_context;
id_api->base.buffer_from_texture = identity_drm_buffer_from_texture;
id_api->base.buffer_from_handle = identity_drm_buffer_from_handle;
id_api->base.handle_from_buffer = identity_drm_handle_from_buffer;
id_api->base.global_handle_from_buffer = identity_drm_global_handle_from_buffer;
id_api->base.destroy = identity_drm_destroy;
id_api->api = api;
return &id_api->base;
}
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