diff options
Diffstat (limited to 'src/gallium/auxiliary/tgsi/tgsi_exec.c')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_exec.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c index 9544623e90c..a3a79a06620 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_exec.c +++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c @@ -2132,6 +2132,46 @@ exec_tex(struct tgsi_exec_machine *mach, } } +static void +exec_lodq(struct tgsi_exec_machine *mach, + const struct tgsi_full_instruction *inst) +{ + uint unit; + int dim; + int i; + union tgsi_exec_channel coords[4]; + const union tgsi_exec_channel *args[Elements(coords)]; + union tgsi_exec_channel r[2]; + + unit = fetch_sampler_unit(mach, inst, 1); + dim = tgsi_util_get_texture_coord_dim(inst->Texture.Texture, NULL); + assert(dim <= Elements(coords)); + /* fetch coordinates */ + for (i = 0; i < dim; i++) { + FETCH(&coords[i], 0, TGSI_CHAN_X + i); + args[i] = &coords[i]; + } + for (i = dim; i < Elements(coords); i++) { + args[i] = &ZeroVec; + } + mach->Sampler->query_lod(mach->Sampler, unit, unit, + args[0]->f, + args[1]->f, + args[2]->f, + args[3]->f, + tgsi_sampler_lod_none, + r[0].f, + r[1].f); + + if (inst->Dst[0].Register.WriteMask & TGSI_WRITEMASK_X) { + store_dest(mach, &r[0], &inst->Dst[0], inst, TGSI_CHAN_X, + TGSI_EXEC_DATA_FLOAT); + } + if (inst->Dst[0].Register.WriteMask & TGSI_WRITEMASK_Y) { + store_dest(mach, &r[1], &inst->Dst[0], inst, TGSI_CHAN_Y, + TGSI_EXEC_DATA_FLOAT); + } +} static void exec_txd(struct tgsi_exec_machine *mach, @@ -4378,6 +4418,12 @@ exec_instruction( exec_tex(mach, inst, TEX_MODIFIER_GATHER, 2); break; + case TGSI_OPCODE_LODQ: + /* src[0] = texcoord */ + /* src[1] = sampler unit */ + exec_lodq(mach, inst); + break; + case TGSI_OPCODE_UP2H: assert (0); break; |