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-rw-r--r--src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp10
1 files changed, 5 insertions, 5 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
index ee3b2a8ba5c..e5eda221044 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
@@ -1767,6 +1767,8 @@ vec4_visitor::emit_psiz_and_flags(struct brw_reg reg)
((c->prog_data.outputs_written & BITFIELD64_BIT(VERT_RESULT_PSIZ)) ||
c->key.nr_userclip || brw->has_negative_rhw_bug)) {
dst_reg header1 = dst_reg(this, glsl_type::uvec4_type);
+ dst_reg header1_w = header1;
+ header1_w.writemask = WRITEMASK_W;
GLuint i;
emit(MOV(header1, 0u));
@@ -1775,9 +1777,8 @@ vec4_visitor::emit_psiz_and_flags(struct brw_reg reg)
src_reg psiz = src_reg(output_reg[VERT_RESULT_PSIZ]);
current_annotation = "Point size";
- header1.writemask = WRITEMASK_W;
- emit(MUL(header1, psiz, src_reg((float)(1 << 11))));
- emit(AND(header1, src_reg(header1), 0x7ff << 8));
+ emit(MUL(header1_w, psiz, src_reg((float)(1 << 11))));
+ emit(AND(header1_w, src_reg(header1_w), 0x7ff << 8));
}
current_annotation = "Clipping flags";
@@ -1788,7 +1789,7 @@ vec4_visitor::emit_psiz_and_flags(struct brw_reg reg)
src_reg(this->userplane[i])));
inst->conditional_mod = BRW_CONDITIONAL_L;
- emit(OR(header1, src_reg(header1), 1u << i));
+ inst = emit(OR(header1_w, src_reg(header1_w), 1u << i));
inst->predicate = BRW_PREDICATE_NORMAL;
}
@@ -1816,7 +1817,6 @@ vec4_visitor::emit_psiz_and_flags(struct brw_reg reg)
#endif
}
- header1.writemask = WRITEMASK_XYZW;
emit(MOV(retype(reg, BRW_REGISTER_TYPE_UD), src_reg(header1)));
} else if (intel->gen < 6) {
emit(MOV(retype(reg, BRW_REGISTER_TYPE_UD), 0u));