1 /**************************************************************************
3 * Copyright 2007-2009 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
30 * Software rasterizer winsys.
38 #include "pipe/p_compiler.h" /* for boolean */
39 #include "pipe/p_format.h"
54 struct sw_displaytarget
;
58 * This is the interface that sw expects any window system
59 * hosting it to implement.
61 * sw is for the most part a self sufficient driver. The only thing it
62 * does not know is how to display a surface.
67 (*destroy
)( struct sw_winsys
*ws
);
70 (*is_displaytarget_format_supported
)( struct sw_winsys
*ws
,
71 enum pipe_format format
);
74 * Allocate storage for a render target.
76 * Often surfaces which are meant to be blitted to the front screen (i.e.,
77 * display targets) must be allocated with special characteristics, memory
78 * pools, or obtained directly from the windowing system.
80 * This callback is invoked by the pipe_screen when creating a texture marked
81 * with the PIPE_TEXTURE_USAGE_DISPLAY_TARGET flag to get the underlying
84 struct sw_displaytarget
*
85 (*displaytarget_create
)( struct sw_winsys
*ws
,
86 enum pipe_format format
,
87 unsigned width
, unsigned height
,
92 * \param flags bitmask of PIPE_BUFFER_USAGE_x flags
95 (*displaytarget_map
)( struct sw_winsys
*ws
,
96 struct sw_displaytarget
*dt
,
100 (*displaytarget_unmap
)( struct sw_winsys
*ws
,
101 struct sw_displaytarget
*dt
);
104 * @sa pipe_screen:flush_frontbuffer.
106 * This call will likely become asynchronous eventually.
109 (*displaytarget_display
)( struct sw_winsys
*ws
,
110 struct sw_displaytarget
*dt
,
111 void *context_private
);
114 (*displaytarget_destroy
)( struct sw_winsys
*ws
,
115 struct sw_displaytarget
*dt
);
124 #endif /* SW_WINSYS_H */