| /************************************************************************** |
| * |
| * 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 boolean |
| 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, |
| 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 *templet, |
| struct winsys_handle *whandle, |
| unsigned *stride) |
| { |
| return NULL; |
| } |
| |
| |
| static boolean |
| 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) |
| { |
| 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; |
| } |