diff options
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_exec.c | 49 |
1 files changed, 48 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c index dfd22270c8b..a2235de059b 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_exec.c +++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c @@ -1121,12 +1121,14 @@ store_dest( uint chan_index ) { uint i; + union tgsi_exec_channel null; union tgsi_exec_channel *dst; uint execmask = mach->ExecMask; switch (reg->DstRegister.File) { case TGSI_FILE_NULL: - return; + dst = &null; + break; case TGSI_FILE_OUTPUT: dst = &mach->Outputs[mach->Temps[TEMP_OUTPUT_I].xyzw[TEMP_OUTPUT_C].u[0] @@ -1289,6 +1291,51 @@ store_dest( default: assert( 0 ); } + + if (inst->InstructionExtNv.CondDstUpdate) { + union tgsi_exec_channel *cc = &mach->Temps[TEMP_CC_I].xyzw[TEMP_CC_C]; + uint shift; + uint mask; + + /* Only CC0 supported. + */ + assert( inst->InstructionExtNv.CondDstIndex < 1 ); + + switch (chan_index) { + case CHAN_X: + shift = TGSI_EXEC_CC_X_SHIFT; + mask = ~TGSI_EXEC_CC_X_MASK; + break; + case CHAN_Y: + shift = TGSI_EXEC_CC_Y_SHIFT; + mask = ~TGSI_EXEC_CC_Y_MASK; + break; + case CHAN_Z: + shift = TGSI_EXEC_CC_Z_SHIFT; + mask = ~TGSI_EXEC_CC_Z_MASK; + break; + case CHAN_W: + shift = TGSI_EXEC_CC_W_SHIFT; + mask = ~TGSI_EXEC_CC_W_MASK; + break; + default: + assert( 0 ); + return; + } + + for (i = 0; i < QUAD_SIZE; i++) + if (execmask & (1 << i)) { + cc->u[i] &= mask; + if (dst->f[i] < 0.0f) + cc->u[i] |= TGSI_EXEC_CC_LT << shift; + else if (dst->f[i] > 0.0f) + cc->u[i] |= TGSI_EXEC_CC_GT << shift; + else if (dst->f[i] == 0.0f) + cc->u[i] |= TGSI_EXEC_CC_EQ << shift; + else + cc->u[i] |= TGSI_EXEC_CC_UN << shift; + } + } } #define FETCH(VAL,INDEX,CHAN)\ |