diff options
| author | michal <michal@quad.(none)> | 2008-11-05 11:48:56 +0100 |
|---|---|---|
| committer | Alan Hourihane <alanh@tungstengraphics.com> | 2008-11-05 11:59:36 +0000 |
| commit | de2ace201fe26d36a2a75211a7d8447940a47fbe (patch) | |
| tree | 00c937dfa94b53b62afbba1d83105271fe8f3b46 /src/gallium/auxiliary/tgsi | |
| parent | 2382dc8aff9983da9ef1be03de38d4ab82105b19 (diff) | |
tgsi: Implement OPCODE_TRUNC.
Diffstat (limited to 'src/gallium/auxiliary/tgsi')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_sse2.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_sse2.c b/src/gallium/auxiliary/tgsi/tgsi_sse2.c index f79170b9d6..47e52c8424 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_sse2.c +++ b/src/gallium/auxiliary/tgsi/tgsi_sse2.c @@ -784,6 +784,17 @@ emit_f2it( make_xmm( xmm ) ); } +static void +emit_i2f( + struct x86_function *func, + unsigned xmm ) +{ + sse2_cvtdq2ps( + func, + make_xmm( xmm ), + make_xmm( xmm ) ); +} + static void PIPE_CDECL flr4f( float *store ) @@ -2104,7 +2115,12 @@ emit_instruction( break; case TGSI_OPCODE_TRUNC: - return 0; + FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( func, *inst, 0, 0, chan_index ); + emit_f2it( func, 0 ); + emit_i2f( func, 0 ); + STORE( func, *inst, 0, 0, chan_index ); + } break; case TGSI_OPCODE_SHL: |