diff options
Diffstat (limited to 'src/gallium/state_trackers/d3d1x/d3d1xshader/include/le32.h')
-rw-r--r-- | src/gallium/state_trackers/d3d1x/d3d1xshader/include/le32.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/d3d1x/d3d1xshader/include/le32.h b/src/gallium/state_trackers/d3d1x/d3d1xshader/include/le32.h new file mode 100644 index 0000000000..923942a778 --- /dev/null +++ b/src/gallium/state_trackers/d3d1x/d3d1xshader/include/le32.h @@ -0,0 +1,45 @@ +/************************************************************************** + * + * Copyright 2010 Luca Barbieri + * + * 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 (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 NONINFRINGEMENT. + * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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 LE32_H_ +#define LE32_H_ + +#include <stdint.h> +#include <assert.h> + +#ifdef WORDS_BIGENDIAN +static inline uint32_t bswap_le32(uint32_t v) +{ + return ((v & 0xff) << 24) | ((v & 0xff00) << 8) | ((v & 0xff0000) >> 8) | ((v & 0xff000000) >> 24); +} +#else +static inline uint32_t bswap_le32(uint32_t v) +{ + return v; +} +#endif + +#endif /* LE32_H_ */ |