diff options
Diffstat (limited to 'src/gallium/auxiliary')
| -rw-r--r-- | src/gallium/auxiliary/nir/tgsi_to_nir.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/src/gallium/auxiliary/nir/tgsi_to_nir.c b/src/gallium/auxiliary/nir/tgsi_to_nir.c index 65eca6f9e86..3d80ef06f13 100644 --- a/src/gallium/auxiliary/nir/tgsi_to_nir.c +++ b/src/gallium/auxiliary/nir/tgsi_to_nir.c @@ -1918,9 +1918,22 @@ ttn_add_output_stores(struct ttn_compile *c) nir_intrinsic_instr *store = nir_intrinsic_instr_create(b->shader, nir_intrinsic_store_output); unsigned loc = var->data.driver_location + i; - store->num_components = 4; - store->src[0].reg.reg = c->output_regs[loc].reg; - store->src[0].reg.base_offset = c->output_regs[loc].offset; + + nir_src src = nir_src_for_reg(c->output_regs[loc].reg); + src.reg.base_offset = c->output_regs[loc].offset; + + if (c->build.shader->stage == MESA_SHADER_FRAGMENT && + var->data.location == FRAG_RESULT_DEPTH) { + /* TGSI uses TGSI_SEMANTIC_POSITION.z for the depth output, while + * NIR uses a single float FRAG_RESULT_DEPTH. + */ + src = nir_src_for_ssa(nir_channel(b, nir_ssa_for_src(b, src, 4), 2)); + store->num_components = 1; + } else { + store->num_components = 4; + } + store->src[0] = src; + nir_intrinsic_set_base(store, loc); nir_intrinsic_set_write_mask(store, 0xf); store->src[1] = nir_src_for_ssa(nir_imm_int(b, 0)); |