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  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 "pipe/p_context.h"
  37. #include "pipe/p_screen.h"
  38. #include "util/u_string.h"
  39. #include "st_context.h"
  40. #include "st_cb_strings.h"
  41.  
  42. #define ST_VERSION_STRING "0.4"
  43.  
  44. static const GLubyte *
  45. st_get_string(struct gl_context * ctx, GLenum name)
  46. {
  47.    struct st_context *st = st_context(ctx);
  48.    struct pipe_screen *screen = st->pipe->screen;
  49.  
  50.    switch (name) {
  51.    case GL_VENDOR: {
  52.       const char *vendor = screen->get_vendor( screen );
  53.       util_snprintf(st->vendor, sizeof(st->vendor), "%s", vendor);
  54.       return (GLubyte *) st->vendor;
  55.    }
  56.  
  57.    case GL_RENDERER:
  58.       util_snprintf(st->renderer, sizeof(st->renderer), "Gallium %s on %s",
  59.                ST_VERSION_STRING,
  60.                screen->get_name( screen ));
  61.  
  62.       return (GLubyte *) st->renderer;
  63.  
  64.    default:
  65.       return NULL;
  66.    }
  67. }
  68.  
  69.  
  70. void st_init_string_functions(struct dd_function_table *functions)
  71. {
  72.    functions->GetString = st_get_string;
  73. }
  74.