diff options
Diffstat (limited to 'src/gallium/auxiliary/tgsi/tgsi_sse2.c')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_sse2.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_sse2.c b/src/gallium/auxiliary/tgsi/tgsi_sse2.c index 485e5a0e6f..e390607023 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_sse2.c +++ b/src/gallium/auxiliary/tgsi/tgsi_sse2.c @@ -27,6 +27,7 @@ #include "pipe/p_util.h" #include "pipe/p_shader_tokens.h" +#include "util/u_math.h" #include "tgsi/tgsi_parse.h" #include "tgsi/tgsi_util.h" #include "tgsi_exec.h" @@ -42,6 +43,8 @@ */ #define HIGH_PRECISION 1 +#define FAST_MATH 1 + #define FOR_EACH_CHANNEL( CHAN )\ for (CHAN = 0; CHAN < NUM_CHANNELS; CHAN++) @@ -623,10 +626,17 @@ ex24f( { const unsigned X = 0; +#if FAST_MATH + store[X + 0] = util_fast_exp2( store[X + 0] ); + store[X + 1] = util_fast_exp2( store[X + 1] ); + store[X + 2] = util_fast_exp2( store[X + 2] ); + store[X + 3] = util_fast_exp2( store[X + 3] ); +#else store[X + 0] = powf( 2.0f, store[X + 0] ); store[X + 1] = powf( 2.0f, store[X + 1] ); store[X + 2] = powf( 2.0f, store[X + 2] ); store[X + 3] = powf( 2.0f, store[X + 3] ); +#endif } static void @@ -762,10 +772,17 @@ pow4f( { const unsigned X = 0; +#if FAST_MATH + store[X + 0] = util_fast_pow( store[X + 0], store[X + 4] ); + store[X + 1] = util_fast_pow( store[X + 1], store[X + 5] ); + store[X + 2] = util_fast_pow( store[X + 2], store[X + 6] ); + store[X + 3] = util_fast_pow( store[X + 3], store[X + 7] ); +#else store[X + 0] = powf( store[X + 0], store[X + 4] ); store[X + 1] = powf( store[X + 1], store[X + 5] ); store[X + 2] = powf( store[X + 2], store[X + 6] ); store[X + 3] = powf( store[X + 3], store[X + 7] ); +#endif } static void @@ -2235,6 +2252,8 @@ tgsi_emit_sse2( unsigned ok = 1; uint num_immediates = 0; + util_init_math(); + func->csr = func->store; tgsi_parse_init( &parse, tokens ); |