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-rw-r--r--src/mesa/drivers/dri/i965/brw_fs.cpp19
-rw-r--r--src/mesa/drivers/dri/i965/brw_fs_generator.cpp9
2 files changed, 15 insertions, 13 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 79ca33e42ed..94f42949ce2 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -2909,14 +2909,18 @@ fs_visitor::lower_uniform_pull_constant_loads()
assert(const_offset_reg.file == IMM &&
const_offset_reg.type == BRW_REGISTER_TYPE_UD);
const_offset_reg.fixed_hw_reg.dw1.ud /= 4;
- fs_reg payload = fs_reg(GRF, alloc.allocate(1));
- /* We have to use a message header on Skylake to get SIMD4x2 mode.
- * Reserve space for the register.
- */
+ fs_reg payload, offset;
if (devinfo->gen >= 9) {
- payload.reg_offset++;
- alloc.sizes[payload.reg] = 2;
+ /* We have to use a message header on Skylake to get SIMD4x2
+ * mode. Reserve space for the register.
+ */
+ offset = payload = fs_reg(GRF, alloc.allocate(2));
+ offset.reg_offset++;
+ inst->mlen = 2;
+ } else {
+ offset = payload = fs_reg(GRF, alloc.allocate(1));
+ inst->mlen = 1;
}
/* This is actually going to be a MOV, but since only the first dword
@@ -2925,7 +2929,7 @@ fs_visitor::lower_uniform_pull_constant_loads()
* by live variable analysis, or register allocation will explode.
*/
fs_inst *setup = new(mem_ctx) fs_inst(FS_OPCODE_SET_SIMD4X2_OFFSET,
- 8, payload, const_offset_reg);
+ 8, offset, const_offset_reg);
setup->force_writemask_all = true;
setup->ir = inst->ir;
@@ -2938,6 +2942,7 @@ fs_visitor::lower_uniform_pull_constant_loads()
*/
inst->opcode = FS_OPCODE_UNIFORM_PULL_CONSTANT_LOAD_GEN7;
inst->src[1] = payload;
+ inst->base_mrf = -1;
invalidate_live_intervals();
} else {
diff --git a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
index 2ed0bac6fd9..8d821abbac2 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
@@ -1054,7 +1054,6 @@ fs_generator::generate_uniform_pull_constant_load_gen7(fs_inst *inst,
struct brw_reg index,
struct brw_reg offset)
{
- assert(inst->mlen == 0);
assert(index.type == BRW_REGISTER_TYPE_UD);
assert(offset.file == BRW_GENERAL_REGISTER_FILE);
@@ -1069,12 +1068,10 @@ fs_generator::generate_uniform_pull_constant_load_gen7(fs_inst *inst,
struct brw_reg src = offset;
bool header_present = false;
- int mlen = 1;
if (devinfo->gen >= 9) {
/* Skylake requires a message header in order to use SIMD4x2 mode. */
- src = retype(brw_vec4_grf(offset.nr - 1, 0), BRW_REGISTER_TYPE_UD);
- mlen = 2;
+ src = retype(brw_vec4_grf(offset.nr, 0), BRW_REGISTER_TYPE_UD);
header_present = true;
brw_push_insn_state(p);
@@ -1105,7 +1102,7 @@ fs_generator::generate_uniform_pull_constant_load_gen7(fs_inst *inst,
0, /* LD message ignores sampler unit */
GEN5_SAMPLER_MESSAGE_SAMPLE_LD,
1, /* rlen */
- mlen,
+ inst->mlen,
header_present,
BRW_SAMPLER_SIMD_MODE_SIMD4X2,
0);
@@ -1135,7 +1132,7 @@ fs_generator::generate_uniform_pull_constant_load_gen7(fs_inst *inst,
0, /* LD message ignores sampler unit */
GEN5_SAMPLER_MESSAGE_SAMPLE_LD,
1, /* rlen */
- mlen,
+ inst->mlen,
header_present,
BRW_SAMPLER_SIMD_MODE_SIMD4X2,
0);