diff options
Diffstat (limited to 'src/mesa/pipe/softpipe/sp_winsys.h')
-rw-r--r-- | src/mesa/pipe/softpipe/sp_winsys.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/src/mesa/pipe/softpipe/sp_winsys.h b/src/mesa/pipe/softpipe/sp_winsys.h new file mode 100644 index 0000000000..43953c648b --- /dev/null +++ b/src/mesa/pipe/softpipe/sp_winsys.h @@ -0,0 +1,100 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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 TUNGSTEN GRAPHICS 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. + * + **************************************************************************/ + +#ifndef SP_WINSYS_H +#define SP_WINSYS_H + +#include "main/mtypes.h" + +/* This is the interface that softpipe requires any window system + * hosting it to implement. This is the only include file in softpipe + * which is public. + */ + + +/* Pipe drivers are (meant to be!) independent of both GL and the + * window system. The window system provides a buffer manager and a + * set of additional hooks for things like command buffer submission, + * etc. + * + * There clearly has to be some agreement between the window system + * driver and the hardware driver about the format of command buffers, + * etc. + */ + +struct softpipe_buffer_handle; + +struct softpipe_winsys { + + + /* The buffer manager is modeled after the dri_bugmgr interface, + * but this is the subset that softpipe cares about. Remember that + * softpipe gets to choose the interface it needs, and the window + * systems must then implement that interface (rather than the + * other way around...). + * + * Softpipe only really wants to make system memory allocations, + * right?? + */ + struct softpipe_buffer_handle *(*create_buffer)(struct softpipe_winsys *sws, + const char *name, + unsigned alignment ); + + void *(*buffer_map)( struct softpipe_winsys *sws, + struct softpipe_buffer_handle *buf ); + + void (*buffer_unmap)( struct softpipe_winsys *sws, + struct softpipe_buffer_handle *buf ); + + struct softpipe_buffer_handle *(*buffer_reference)( struct softpipe_winsys *sws, + struct softpipe_buffer_handle *buf ); + + void (*buffer_unreference)( struct softpipe_winsys *sws, + struct softpipe_buffer_handle *buf ); + + void (*buffer_data)(struct softpipe_winsys *sws, + struct softpipe_buffer_handle *buf, + unsigned size, const void *data ); + + void (*buffer_subdata)(struct softpipe_winsys *sws, + struct softpipe_buffer_handle *buf, + unsigned long offset, + unsigned long size, + const void *data); + + void (*buffer_get_subdata)(struct softpipe_winsys *sws, + struct softpipe_buffer_handle *buf, + unsigned long offset, + unsigned long size, + void *data); +}; + + +struct pipe_context *softpipe_create( struct softpipe_winsys * ); + + +#endif /* SP_WINSYS_H */ |