diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_exec.c | 131 |
1 files changed, 70 insertions, 61 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c index 262422364bf..14035d4b2d3 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_exec.c +++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c @@ -461,6 +461,10 @@ enum tgsi_exec_datatype { static const union tgsi_exec_channel ZeroVec = { { 0.0, 0.0, 0.0, 0.0 } }; +static const union tgsi_exec_channel OneVec = { + {1.0f, 1.0f, 1.0f, 1.0f} +}; + /** * Assert that none of the float values in 'chan' are infinite or NaN. @@ -2030,6 +2034,70 @@ exec_dp2(struct tgsi_exec_machine *mach, } static void +exec_nrm4(struct tgsi_exec_machine *mach, + const struct tgsi_full_instruction *inst) +{ + unsigned int chan; + union tgsi_exec_channel arg[4]; + union tgsi_exec_channel scale; + + fetch_source(mach, &arg[0], &inst->Src[0], CHAN_X, TGSI_EXEC_DATA_FLOAT); + micro_mul(&scale, &arg[0], &arg[0]); + + for (chan = CHAN_Y; chan <= CHAN_W; chan++) { + union tgsi_exec_channel product; + + fetch_source(mach, &arg[chan], &inst->Src[0], chan, TGSI_EXEC_DATA_FLOAT); + micro_mul(&product, &arg[chan], &arg[chan]); + micro_add(&scale, &scale, &product); + } + + micro_rsq(&scale, &scale); + + for (chan = CHAN_X; chan <= CHAN_W; chan++) { + if (inst->Dst[0].Register.WriteMask & (1 << chan)) { + micro_mul(&arg[chan], &arg[chan], &scale); + store_dest(mach, &arg[chan], &inst->Dst[0], inst, chan, TGSI_EXEC_DATA_FLOAT); + } + } +} + +static void +exec_nrm3(struct tgsi_exec_machine *mach, + const struct tgsi_full_instruction *inst) +{ + if (inst->Dst[0].Register.WriteMask & TGSI_WRITEMASK_XYZ) { + unsigned int chan; + union tgsi_exec_channel arg[3]; + union tgsi_exec_channel scale; + + fetch_source(mach, &arg[0], &inst->Src[0], CHAN_X, TGSI_EXEC_DATA_FLOAT); + micro_mul(&scale, &arg[0], &arg[0]); + + for (chan = CHAN_Y; chan <= CHAN_Z; chan++) { + union tgsi_exec_channel product; + + fetch_source(mach, &arg[chan], &inst->Src[0], chan, TGSI_EXEC_DATA_FLOAT); + micro_mul(&product, &arg[chan], &arg[chan]); + micro_add(&scale, &scale, &product); + } + + micro_rsq(&scale, &scale); + + for (chan = CHAN_X; chan <= CHAN_Z; chan++) { + if (inst->Dst[0].Register.WriteMask & (1 << chan)) { + micro_mul(&arg[chan], &arg[chan], &scale); + store_dest(mach, &arg[chan], &inst->Dst[0], inst, chan, TGSI_EXEC_DATA_FLOAT); + } + } + } + + if (inst->Dst[0].Register.WriteMask & TGSI_WRITEMASK_W) { + store_dest(mach, &OneVec, &inst->Dst[0], inst, CHAN_W, TGSI_EXEC_DATA_FLOAT); + } +} + +static void exec_break(struct tgsi_exec_machine *mach) { if (mach->BreakType == TGSI_EXEC_BREAK_INSIDE_LOOP) { @@ -3052,70 +3120,11 @@ exec_instruction( break; case TGSI_OPCODE_NRM: - /* 3-component vector normalize */ - if(IS_CHANNEL_ENABLED(*inst, CHAN_X) || - IS_CHANNEL_ENABLED(*inst, CHAN_Y) || - IS_CHANNEL_ENABLED(*inst, CHAN_Z)) { - /* r3 = sqrt(dp3(src0, src0)) */ - FETCH(&r[0], 0, CHAN_X); - micro_mul(&r[3], &r[0], &r[0]); - FETCH(&r[1], 0, CHAN_Y); - micro_mul(&r[4], &r[1], &r[1]); - micro_add(&r[3], &r[3], &r[4]); - FETCH(&r[2], 0, CHAN_Z); - micro_mul(&r[4], &r[2], &r[2]); - micro_add(&r[3], &r[3], &r[4]); - micro_sqrt(&r[3], &r[3]); - - if (IS_CHANNEL_ENABLED(*inst, CHAN_X)) { - micro_div(&r[0], &r[0], &r[3]); - STORE(&r[0], 0, CHAN_X); - } - if (IS_CHANNEL_ENABLED(*inst, CHAN_Y)) { - micro_div(&r[1], &r[1], &r[3]); - STORE(&r[1], 0, CHAN_Y); - } - if (IS_CHANNEL_ENABLED(*inst, CHAN_Z)) { - micro_div(&r[2], &r[2], &r[3]); - STORE(&r[2], 0, CHAN_Z); - } - } - if (IS_CHANNEL_ENABLED(*inst, CHAN_W)) { - STORE(&mach->Temps[TEMP_1_I].xyzw[TEMP_1_C], 0, CHAN_W); - } + exec_nrm3(mach, inst); break; case TGSI_OPCODE_NRM4: - /* 4-component vector normalize */ - { - union tgsi_exec_channel tmp, dot; - - /* tmp = dp4(src0, src0): */ - FETCH( &r[0], 0, CHAN_X ); - micro_mul( &tmp, &r[0], &r[0] ); - - FETCH( &r[1], 0, CHAN_Y ); - micro_mul( &dot, &r[1], &r[1] ); - micro_add( &tmp, &tmp, &dot ); - - FETCH( &r[2], 0, CHAN_Z ); - micro_mul( &dot, &r[2], &r[2] ); - micro_add( &tmp, &tmp, &dot ); - - FETCH( &r[3], 0, CHAN_W ); - micro_mul( &dot, &r[3], &r[3] ); - micro_add( &tmp, &tmp, &dot ); - - /* tmp = 1 / sqrt(tmp) */ - micro_sqrt( &tmp, &tmp ); - micro_div( &tmp, &mach->Temps[TEMP_1_I].xyzw[TEMP_1_C], &tmp ); - - FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { - /* chan = chan * tmp */ - micro_mul( &r[chan_index], &tmp, &r[chan_index] ); - STORE( &r[chan_index], 0, chan_index ); - } - } + exec_nrm4(mach, inst); break; case TGSI_OPCODE_DIV: |