diff options
| -rw-r--r-- | src/gallium/auxiliary/Makefile.sources | 1 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_bitcast.h | 57 |
2 files changed, 58 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/Makefile.sources b/src/gallium/auxiliary/Makefile.sources index e0311bfc3a1..26f7eee365b 100644 --- a/src/gallium/auxiliary/Makefile.sources +++ b/src/gallium/auxiliary/Makefile.sources @@ -175,6 +175,7 @@ C_SOURCES := \ translate/translate_generic.c \ translate/translate_sse.c \ util/dbghelp.h \ + util/u_bitcast.h \ util/u_bitmask.c \ util/u_bitmask.h \ util/u_blend.h \ diff --git a/src/gallium/auxiliary/util/u_bitcast.h b/src/gallium/auxiliary/util/u_bitcast.h new file mode 100644 index 00000000000..b1f99383738 --- /dev/null +++ b/src/gallium/auxiliary/util/u_bitcast.h @@ -0,0 +1,57 @@ +/************************************************************************** + * + * Copyright © 2016 Intel Corporation + * 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, sub license, 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 (including the + * next paragraph) 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS 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. + * + **************************************************************************/ + +#ifndef U_BITCAST_H_ +#define U_BITCAST_H_ + +#include <string.h> + +#ifdef __cplusplus +extern "C" { +#endif + +static inline unsigned +u_bitcast_f2u(float f) +{ + unsigned u; + memcpy(&u, &f, sizeof(u)); + return u; +} + +static inline float +u_bitcast_u2f(unsigned u) +{ + float f; + memcpy(&f, &u, sizeof(f)); + return f; +} + +#ifdef __cplusplus +} +#endif + +#endif /* U_BITCAST_H_ */ |