diff options
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_exec.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c index 9c219abf01d..8fe46f780ab 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_exec.c +++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c @@ -5205,6 +5205,35 @@ exec_interp_at_sample(struct tgsi_exec_machine *mach, store_dest(mach, &result[chan], &inst->Dst[0], inst, chan, TGSI_EXEC_DATA_FLOAT); } } + + +static void +exec_interp_at_offset(struct tgsi_exec_machine *mach, + const struct tgsi_full_instruction *inst) +{ + union tgsi_exec_channel index; + union tgsi_exec_channel index2D; + union tgsi_exec_channel ofsx; + union tgsi_exec_channel ofsy; + const struct tgsi_full_src_register *reg = &inst->Src[0]; + + assert(reg->Register.File == TGSI_FILE_INPUT); + + get_index_registers(mach, reg, &index, &index2D); + unsigned pos = index2D.i[0] * TGSI_EXEC_MAX_INPUT_ATTRIBS + index.i[0]; + + fetch_source(mach, &ofsx, &inst->Src[1], TGSI_CHAN_X, TGSI_EXEC_DATA_FLOAT); + fetch_source(mach, &ofsy, &inst->Src[1], TGSI_CHAN_Y, TGSI_EXEC_DATA_FLOAT); + + for (int chan = 0; chan < TGSI_NUM_CHANNELS; chan++) { + if (!(inst->Dst[0].Register.WriteMask & (1 << chan))) + continue; + union tgsi_exec_channel result; + fetch_src_file_channel(mach, TGSI_FILE_INPUT, chan, &index, &index2D, &result); + mach->InputSampleOffsetApply[pos](mach, pos, chan, ofsx.f[chan], ofsy.f[chan], &result); + store_dest(mach, &result, &inst->Dst[0], inst, chan, TGSI_EXEC_DATA_FLOAT); + } +} /** * Execute a TGSI instruction. * Returns TRUE if a barrier instruction is hit, @@ -6252,6 +6281,9 @@ exec_instruction( case TGSI_OPCODE_INTERP_SAMPLE: exec_interp_at_sample(mach, inst); break; + case TGSI_OPCODE_INTERP_OFFSET: + exec_interp_at_offset(mach, inst); + break; default: assert( 0 ); } |