diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/intel_tiled_memcpy.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_tiled_memcpy.c b/src/mesa/drivers/dri/i965/intel_tiled_memcpy.c index a549854..c888e46 100644 --- a/src/mesa/drivers/dri/i965/intel_tiled_memcpy.c +++ b/src/mesa/drivers/dri/i965/intel_tiled_memcpy.c @@ -64,6 +64,19 @@ ror(uint32_t n, uint32_t d) return (n >> d) | (n << (32 - d)); } +static inline uint32_t +bswap32(uint32_t n) +{ +#if defined(HAVE___BUILTIN_BSWAP32) + return __builtin_bswap32(n); +#else + return (n >> 24) | + ((n >> 8) & 0x0000ff00) | + ((n << 8) & 0x00ff0000) | + (n << 24); +#endif +} + /** * Copy RGBA to BGRA - swap R and B. */ @@ -76,7 +89,7 @@ rgba8_copy(void *dst, const void *src, size_t bytes) assert(bytes % 4 == 0); while (bytes >= 4) { - *d = ror(__builtin_bswap32(*s), 8); + *d = ror(bswap32(*s), 8); d += 1; s += 1; bytes -= 4; |