src/gallium/state_trackers/nine/nine_quirk.c

   1 /*
   2  * Copyright 2011 Joakim Sindholt <opensource@zhasha.com>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
  22
  23 #include "nine_quirk.h"
  24
  25 #include "util/u_debug.h"
  26
  27 static const struct debug_named_value nine_quirk_table[] = {
  28     { "fakecaps", QUIRK_FAKE_CAPS,
  29       "Fake caps to emulate D3D specs regardless of hardware caps." },
  30     { "lenientshader", QUIRK_LENIENT_SHADER,
  31       "Be lenient when translating shaders." },
  32     { "all", ~0U,
  33       "Enable all quirks." },
  34     DEBUG_NAMED_VALUE_END
  35 };
  36
  37 boolean
  38 _nine_get_quirk( unsigned quirk )
  39 {
  40     static boolean first = TRUE;
  41     static unsigned long flags = 0;
  42
  43     if (first) {
  44         first = FALSE;
  45         flags = debug_get_flags_option("NINE_QUIRKS", nine_quirk_table, 0);
  46     }
  47
  48     return !!(flags & quirk);
  49 }