diff options
| author | Michal Krol <michal@tungstengraphics.com> | 2008-11-26 12:56:23 +0100 |
|---|---|---|
| committer | Michal Krol <michal@tungstengraphics.com> | 2008-11-26 13:24:32 +0100 |
| commit | 18a1389077c72717dfbe6ae10793f3329d13b848 (patch) | |
| tree | ece9a38d6f7085119e294fe810181b992da79650 /src/gallium/auxiliary/tgsi/tgsi_sse2.c | |
| parent | 4de360e67d83cd6503fb8ad053bb8afe507db5fa (diff) | |
tgsi: Implement OPCODE_ROUND for SSE2 backend.
Diffstat (limited to 'src/gallium/auxiliary/tgsi/tgsi_sse2.c')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_sse2.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_sse2.c b/src/gallium/auxiliary/tgsi/tgsi_sse2.c index 8dfd2ced08..8574d79da1 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_sse2.c +++ b/src/gallium/auxiliary/tgsi/tgsi_sse2.c @@ -1001,6 +1001,29 @@ emit_rcp ( make_xmm( xmm_src ) ); } +static void PIPE_CDECL +rnd4f( + float *store ) +{ + store[0] = floorf( store[0] + 0.5f ); + store[1] = floorf( store[1] + 0.5f ); + store[2] = floorf( store[2] + 0.5f ); + store[3] = floorf( store[3] + 0.5f ); +} + +static void +emit_rnd( + struct x86_function *func, + unsigned xmm_save, + unsigned xmm_dst ) +{ + emit_func_call_dst( + func, + xmm_save, + xmm_dst, + rnd4f ); +} + static void emit_rsqrt( struct x86_function *func, @@ -1811,7 +1834,11 @@ emit_instruction( break; case TGSI_OPCODE_ROUND: - return 0; + FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( func, *inst, 0, 0, chan_index ); + emit_rnd( func, 0, 0 ); + STORE( func, *inst, 0, 0, chan_index ); + } break; case TGSI_OPCODE_EXPBASE2: |