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
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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 * llvmpipe public interface.
38 #include "pipe/p_compiler.h" /* for boolean */
39 #include "pipe/p_format.h"
54 struct llvmpipe_displaytarget
;
58 * This is the interface that llvmpipe expects any window system
59 * hosting it to implement.
61 * llvmpipe is for the most part a self sufficient driver. The only thing it
62 * does not know is how to display a surface.
64 struct llvmpipe_winsys
67 (*destroy
)( struct llvmpipe_winsys
*ws
);
70 (*is_displaytarget_format_supported
)( struct llvmpipe_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 llvmpipe_displaytarget
*
85 (*displaytarget_create
)( struct llvmpipe_winsys
*ws
,
86 enum pipe_format format
,
87 unsigned width
, unsigned height
,
92 (*displaytarget_map
)( struct llvmpipe_winsys
*ws
,
93 struct llvmpipe_displaytarget
*dt
,
97 (*displaytarget_unmap
)( struct llvmpipe_winsys
*ws
,
98 struct llvmpipe_displaytarget
*dt
);
101 * @sa pipe_screen:flush_frontbuffer.
103 * This call will likely become asynchronous eventually.
106 (*displaytarget_display
)( struct llvmpipe_winsys
*ws
,
107 struct llvmpipe_displaytarget
*dt
,
108 void *context_private
);
111 (*displaytarget_destroy
)( struct llvmpipe_winsys
*ws
,
112 struct llvmpipe_displaytarget
*dt
);
116 struct pipe_context
*
117 llvmpipe_create( struct pipe_screen
* );
121 llvmpipe_create_screen( struct llvmpipe_winsys
* );
128 #endif /* LP_WINSYS_H */