| /* |
| * Mesa 3-D graphics library |
| * |
| * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| |
| /** |
| * \file mesa_private.h |
| * Contains mesa internal values |
| * |
| */ |
| |
| #ifndef MESA_PRIVATE_H |
| #define MESA_PRIVATE_H |
| |
| #include "glheader.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| |
| /** |
| * Sometimes we treat floats as ints. On x86 systems, moving a float |
| * as an int (thereby using integer registers instead of FP registers) is |
| * a performance win. Typically, this can be done with ordinary casts. |
| * But with gcc's -fstrict-aliasing flag (which defaults to on in gcc 3.0) |
| * these casts generate warnings. |
| * The following union typedef is used to solve that. |
| */ |
| typedef union { float f; int i; unsigned u; } fi_type; |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* MESA_PRIVATE_H */ |