git.cworth.org Git - fips/blob - fips-dispatch-gl.c

   1 /* Copyright © 2012, Intel Corporation
   2  *
   3  * Permission is hereby granted, free of charge, to any person obtaining a copy
   4  * of this software and associated documentation files (the "Software"), to deal
   5  * in the Software without restriction, including without limitation the rights
   6  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   7  * copies of the Software, and to permit persons to whom the Software is
   8  * furnished to do so, subject to the following conditions:
   9  *
  10  * The above copyright notice and this permission notice shall be included in
  11  * all copies or substantial portions of the Software.
  12  *
  13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  16  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  18  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  19  * THE SOFTWARE.
  20  */
  21
  22 #include "fips-dispatch-gl.h"
  23
  24 static void
  25 check_initialized (void)
  26 {
  27         if (fips_dispatch_initialized)
  28                 return;
  29
  30         fprintf (stderr,
  31                  "Internal error: fips_dispatch_init must be called before\n"
  32                  "any OpenGL function supported via fips_dispatch.\n");
  33         exit (1);
  34 }
  35
  36 static void
  37 unsupported (const char *name)
  38 {
  39         fprintf (stderr, "Error: fips failed to find support for %s\n", name);
  40
  41         exit (1);
  42 }
  43
  44 #define resolve(dispatch, name)                 \
  45         dispatch = fips_dispatch_lookup (name); \
  46         if (! dispatch)                         \
  47                 unsupported (name);
  48
  49 #define resolve2(dispatch, name_a, name_b)                \
  50         dispatch = fips_dispatch_lookup (name_a);         \
  51         if (! dispatch)                                   \
  52                 dispatch = fips_dispatch_lookup (name_b); \
  53         if (! dispatch)                                   \
  54                 unsupported (name_a);
  55
  56 static void
  57 stub_glGenQueries (GLsizei n, GLuint *ids)
  58 {
  59         check_initialized ();
  60         resolve2 (fips_dispatch_glGenQueries,
  61                   "glGenQueries", "glGenQueriesARB")
  62         fips_dispatch_glGenQueries (n, ids);
  63 }
  64
  65 PFNGLGENQUERIESPROC fips_dispatch_glGenQueries = stub_glGenQueries;
  66
  67 static void
  68 stub_glDeleteQueries (GLsizei n, const GLuint * ids)
  69 {
  70         check_initialized ();
  71         resolve2 (fips_dispatch_glDeleteQueries,
  72                   "glDeleteQueries", "glDeleteQueriesARB");
  73         fips_dispatch_glDeleteQueries (n, ids);
  74 }
  75
  76 PFNGLDELETEQUERIESPROC fips_dispatch_glDeleteQueries = stub_glDeleteQueries;
  77
  78 static void
  79 stub_glBeginQuery (GLenum target, GLuint id)
  80 {
  81         check_initialized ();
  82         resolve2 (fips_dispatch_glBeginQuery,
  83                   "glBeginQuery", "glBeginQueryARB");
  84         fips_dispatch_glBeginQuery (target, id);
  85 }
  86
  87 PFNGLBEGINQUERYPROC fips_dispatch_glBeginQuery = stub_glBeginQuery;
  88
  89 static void
  90 stub_glEndQuery (GLenum target)
  91 {
  92         check_initialized ();
  93         resolve2 (fips_dispatch_glEndQuery, "glEndQuery", "glEndQueryARB");
  94         fips_dispatch_glEndQuery (target);
  95 }
  96
  97 PFNGLENDQUERYPROC fips_dispatch_glEndQuery = stub_glEndQuery;
  98
  99 static void
 100 stub_glGetQueryObjectuiv (GLuint id, GLenum pname, GLuint * params)
 101 {
 102         check_initialized ();
 103         resolve2 (fips_dispatch_glGetQueryObjectuiv,
 104                   "glGetQueryObjectuiv", "glGetQueryObjectuivARB");
 105         fips_dispatch_glGetQueryObjectuiv (id, pname, params);
 106 }
 107
 108 PFNGLGETQUERYOBJECTUIVPROC fips_dispatch_glGetQueryObjectuiv =
 109         stub_glGetQueryObjectuiv;