src/mesa/state_tracker/st_cb_strings.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
   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 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.
  25  *
  26  **************************************************************************/
  27
  28  /*
  29   * Authors:
  30   *   Keith Whitwell <keith@tungstengraphics.com>
  31   *   Brian Paul
  32   */
  33
  34 #include "main/glheader.h"
  35 #include "main/macros.h"
  36 #include "main/version.h"
  37 #include "pipe/p_context.h"
  38 #include "pipe/p_screen.h"
  39 #include "pipe/p_winsys.h"
  40 #include "st_context.h"
  41 #include "st_cb_strings.h"
  42
  43 #define ST_VERSION_STRING "0.2"
  44
  45 static const GLubyte *
  46 st_get_string(GLcontext * ctx, GLenum name)
  47 {
  48    struct st_context *st = st_context(ctx);
  49    struct pipe_screen *screen = st->pipe->screen;
  50
  51    switch (name) {
  52    case GL_VENDOR: {
  53       const char *vendor = screen->get_vendor( screen );
  54       const char *tungsten = "Tungsten Graphics, Inc.";
  55
  56       /* Tungsten Graphics, Inc. developed the state_tracker module
  57        * (and much of Mesa), but the driver itself may come from elsewhere.
  58        * The additional string allows "and XyzCorp" to reflect this.
  59        */
  60       if (vendor && strcmp(vendor, tungsten) != 0)
  61          util_snprintf(st->vendor, sizeof(st->vendor),
  62                   "%s and %s", tungsten, vendor);
  63       else
  64          util_snprintf(st->vendor, sizeof(st->vendor), "%s", tungsten);
  65
  66       return (GLubyte *) st->vendor;
  67    }
  68
  69    case GL_RENDERER:
  70       util_snprintf(st->renderer, sizeof(st->renderer), "Gallium %s, %s on %s",
  71                ST_VERSION_STRING,
  72                screen->get_name( screen ),
  73                screen->winsys->get_name( screen->winsys ));
  74
  75       return (GLubyte *) st->renderer;
  76
  77    default:
  78       return NULL;
  79    }
  80 }
  81
  82
  83 void st_init_string_functions(struct dd_function_table *functions)
  84 {
  85    functions->GetString = st_get_string;
  86 }