diff options
| author | Michal Krol <michal@tungstengraphics.com> | 2008-11-26 12:56:23 +0100 |
|---|---|---|
| committer | José Fonseca <jrfonseca@tungstengraphics.com> | 2008-11-26 21:47:00 +0900 |
| commit | 685fd2c035e284db2447ede0f6da278adaa70a0d (patch) | |
| tree | db14820ca9dc37b58ba53f4765f5bf381219cb38 /src/gallium/auxiliary/tgsi/tgsi_sse2.c | |
| parent | 55839ae064d64b7fcc180fcddb364bf31ab760dc (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 4d59106dbf..151d2b1c37 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_sse2.c +++ b/src/gallium/auxiliary/tgsi/tgsi_sse2.c @@ -842,6 +842,29 @@ 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, @@ -1639,7 +1662,11 @@ 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: |