diff options
| -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 f79170b9d65..47e52c84247 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: |