diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_nir.cpp | 38 |
1 files changed, 33 insertions, 5 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp index 65bca6d6dbc..50d73eba087 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp @@ -2590,6 +2590,7 @@ fs_visitor::nir_emit_tcs_intrinsic(const fs_builder &bld, case nir_intrinsic_load_per_vertex_output: { fs_reg indirect_offset = get_indirect_offset(instr); unsigned imm_offset = instr->const_index[0]; + unsigned first_component = nir_intrinsic_component(instr); fs_inst *inst; if (indirect_offset.file == BAD_FILE) { @@ -2670,10 +2671,24 @@ fs_visitor::nir_emit_tcs_intrinsic(const fs_builder &bld, } bld.LOAD_PAYLOAD(dst, srcs, num_components, 0); } else { - inst = bld.emit(SHADER_OPCODE_URB_READ_SIMD8, dst, patch_handle); + if (first_component != 0) { + unsigned read_components = + instr->num_components + first_component; + fs_reg tmp = bld.vgrf(dst.type, read_components); + inst = bld.emit(SHADER_OPCODE_URB_READ_SIMD8, tmp, + patch_handle); + inst->regs_written = read_components; + for (unsigned i = 0; i < instr->num_components; i++) { + bld.MOV(offset(dst, bld, i), + offset(tmp, bld, i + first_component)); + } + } else { + inst = bld.emit(SHADER_OPCODE_URB_READ_SIMD8, dst, + patch_handle); + inst->regs_written = instr->num_components; + } inst->offset = imm_offset; inst->mlen = 1; - inst->regs_written = instr->num_components; } } else { /* Indirect indexing - use per-slot offsets as well. */ @@ -2683,11 +2698,24 @@ fs_visitor::nir_emit_tcs_intrinsic(const fs_builder &bld, }; fs_reg payload = bld.vgrf(BRW_REGISTER_TYPE_UD, 2); bld.LOAD_PAYLOAD(payload, srcs, ARRAY_SIZE(srcs), 0); - - inst = bld.emit(SHADER_OPCODE_URB_READ_SIMD8_PER_SLOT, dst, payload); + if (first_component != 0) { + unsigned read_components = + instr->num_components + first_component; + fs_reg tmp = bld.vgrf(dst.type, read_components); + inst = bld.emit(SHADER_OPCODE_URB_READ_SIMD8_PER_SLOT, tmp, + payload); + inst->regs_written = read_components; + for (unsigned i = 0; i < instr->num_components; i++) { + bld.MOV(offset(dst, bld, i), + offset(tmp, bld, i + first_component)); + } + } else { + inst = bld.emit(SHADER_OPCODE_URB_READ_SIMD8_PER_SLOT, dst, + payload); + inst->regs_written = instr->num_components; + } inst->offset = imm_offset; inst->mlen = 2; - inst->regs_written = instr->num_components; } break; } |