src/gallium/include/state_tracker/graw.h

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   3  * Copyright 2010 VMware, Inc.
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  16  * of the Software.
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  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 /* Parse a single command-line option, if any. Options include:
  75  *
  76  * -o <filename>
  77  *
  78  * If an option has been successfully parsed, argi is updated
  79  * to point just after the option and return TRUE.
  80  */
  81 PUBLIC boolean graw_parse_args(int *argi, int argc, char *argv[]);
  82
  83 /* Saves surface contents to a file.
  84  *
  85  * If filename is NULL, the filename provided with the `-o' option
  86  * is used. If the option has not been specified, the surface
  87  * will not be saved.
  88  *
  89  * Returns TRUE if the surface has been saved.
  90  */
  91 PUBLIC boolean graw_save_surface_to_file(struct pipe_context *pipe,
  92                                          struct pipe_surface *surface,
  93                                          const char *filename);
  94
  95 #endif