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/**************************************************************************
*
* Copyright 2010 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 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
* THE COPYRIGHT HOLDERS, AUTHORS 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.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
**************************************************************************/
/**
* @file
* Null software rasterizer winsys.
*
* There is no present support. Framebuffer data needs to be obtained via
* transfers.
*
* @author Jose Fonseca
*/
#include <stdio.h>
#include "pipe/p_format.h"
#include "util/u_memory.h"
#include "state_tracker/sw_winsys.h"
#include "null_sw_winsys.h"
static bool
null_sw_is_displaytarget_format_supported(struct sw_winsys *ws,
unsigned tex_usage,
enum pipe_format format )
{
return false;
}
static void *
null_sw_displaytarget_map(struct sw_winsys *ws,
struct sw_displaytarget *dt,
unsigned flags )
{
assert(0);
return NULL;
}
static void
null_sw_displaytarget_unmap(struct sw_winsys *ws,
struct sw_displaytarget *dt )
{
assert(0);
}
static void
null_sw_displaytarget_destroy(struct sw_winsys *winsys,
struct sw_displaytarget *dt)
{
assert(0);
}
static struct sw_displaytarget *
null_sw_displaytarget_create(struct sw_winsys *winsys,
unsigned tex_usage,
enum pipe_format format,
unsigned width, unsigned height,
unsigned alignment,
const void *front_private,
unsigned *stride)
{
fprintf(stderr, "null_sw_displaytarget_create() returning NULL\n");
return NULL;
}
static struct sw_displaytarget *
null_sw_displaytarget_from_handle(struct sw_winsys *winsys,
const struct pipe_resource *templat,
struct winsys_handle *whandle,
unsigned *stride)
{
return NULL;
}
static bool
null_sw_displaytarget_get_handle(struct sw_winsys *winsys,
struct sw_displaytarget *dt,
struct winsys_handle *whandle)
{
assert(0);
return false;
}
static void
null_sw_displaytarget_display(struct sw_winsys *winsys,
struct sw_displaytarget *dt,
void *context_private,
struct pipe_box *box)
{
assert(0);
}
static void
null_sw_destroy(struct sw_winsys *winsys)
{
FREE(winsys);
}
struct sw_winsys *
null_sw_create(void)
{
static struct sw_winsys *winsys;
winsys = CALLOC_STRUCT(sw_winsys);
if (!winsys)
return NULL;
winsys->destroy = null_sw_destroy;
winsys->is_displaytarget_format_supported = null_sw_is_displaytarget_format_supported;
winsys->displaytarget_create = null_sw_displaytarget_create;
winsys->displaytarget_from_handle = null_sw_displaytarget_from_handle;
winsys->displaytarget_get_handle = null_sw_displaytarget_get_handle;
winsys->displaytarget_map = null_sw_displaytarget_map;
winsys->displaytarget_unmap = null_sw_displaytarget_unmap;
winsys->displaytarget_display = null_sw_displaytarget_display;
winsys->displaytarget_destroy = null_sw_displaytarget_destroy;
return winsys;
}
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