---
src/mesa/drivers/dri/i965/brw_fs_nir.cpp | 33 ++++++++++++++++++++++++++++----
1 file changed, 29 insertions(+), 4 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
index dbb3638..95d5802 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
@@ -2428,8 +2428,19 @@ fs_visitor::nir_emit_tcs_intrinsic(const fs_builder &bld,
const fs_reg srcs[] = { icp_handle, indirect_offset };
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 = 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);
+ for (unsigned i = 0; i < 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->offset = imm_offset;
inst->base_mrf = -1;
inst->mlen = 2;
@@ -2899,11 +2910,25 @@ fs_visitor::nir_emit_tes_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, dest, payload);
+ if (first_component != 0) {
+ unsigned read_components =
+ instr->num_components + first_component;
+ fs_reg tmp = bld.vgrf(dest.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(dest, bld, i),
+ offset(tmp, bld, i + first_component));
+ }
+ } else {
+ inst = bld.emit(SHADER_OPCODE_URB_READ_SIMD8_PER_SLOT, dest,
+ payload);
+ inst->regs_written = instr->num_components;
+ }
inst->mlen = 2;
inst->offset = imm_offset;
inst->base_mrf = -1;
- inst->regs_written = instr->num_components;
}
break;
}
--
2.5.5
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