src/gallium/include/state_tracker/graw.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2010 VMware, Inc.
   4  * All Rights Reserved.
   5  *
   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:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  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 VMWARE 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.
  25  *
  26  **************************************************************************/
  27
  28 #ifndef GALLIUM_RAW_H
  29 #define GALLIUM_RAW_H
  30
  31 /* This is an API for exercising gallium functionality in a
  32  * platform-neutral fashion.  Whatever platform integration is
  33  * necessary to implement this interface is orchestrated by the
  34  * individual target building this entity.
  35  *
  36  * For instance, the graw-xlib target includes code to implent these
  37  * interfaces on top of the X window system.
  38  *
  39  * Programs using this interface may additionally benefit from some of
  40  * the utilities currently in the libgallium.a library, especially
  41  * those for parsing text representations of TGSI shaders.
  42  */
  43
  44 #include "pipe/p_compiler.h"
  45 #include "pipe/p_format.h"
  46
  47 struct pipe_screen;
  48 struct pipe_context;
  49
  50 /* Returns a handle to be used with flush_frontbuffer()/present().
  51  *
  52  * Query format support with screen::is_format_supported and usage
  53  * XXX.
  54  */
  55 PUBLIC struct pipe_screen *graw_create_window_and_screen( int x,
  56                                                           int y,
  57                                                           unsigned width,
  58                                                           unsigned height,
  59                                                           enum pipe_format format,
  60                                                           void **handle);
  61
  62 PUBLIC void graw_set_display_func( void (*func)( void ) );
  63 PUBLIC void graw_main_loop( void );
  64
  65 PUBLIC void *graw_parse_geometry_shader( struct pipe_context *pipe,
  66                                          const char *text );
  67
  68 PUBLIC void *graw_parse_vertex_shader( struct pipe_context *pipe,
  69                                        const char *text );
  70
  71 PUBLIC void *graw_parse_fragment_shader( struct pipe_context *pipe,
  72                                          const char *text );
  73
  74 #endif