The generator asserts that this is true (and presumably it's useful in
some optimization passes?) and the VF fs_reg constructors did this (by
virtue of the fact that it doesn't override what init() does).
In the next commit, calling this constructor with brw_imm_* will
generate an IMM file register rather than a HW_REG, making this change
necessary to avoid breakage with existing uses of brw_imm_v().
---
src/mesa/drivers/dri/i965/brw_fs.cpp | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp
b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 91eaf61..92a9437 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -427,6 +427,12 @@ fs_reg::fs_reg(struct brw_reg reg) :
this->subreg_offset = 0;
this->reladdr = NULL;
this->stride = 1;
+ if (this->file == IMM &&
+ (this->type != BRW_REGISTER_TYPE_V &&
+ this->type != BRW_REGISTER_TYPE_UV &&
+ this->type != BRW_REGISTER_TYPE_VF)) {
+ this->stride = 0;
+ }
}
bool
--
2.4.9
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