This hasn't been overallocating space for the header for a long time.
It still leaves the header uninitialized though until the generator
fixes it.
---
src/mesa/drivers/dri/i965/brw_fs_visitor.cpp | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
index 09beb4d..5977f6d 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
@@ -473,8 +473,9 @@ fs_visitor::emit_texture_gen7(ir_texture_opcode op, fs_reg
dst,
if (op == ir_tg4 || offset_value.file != BAD_FILE ||
is_high_sampler(devinfo, sampler)) {
/* For general texture offsets (no txf workaround), we need a header to
- * put them in. Note that for SIMD16 we're making space for two actual
- * hardware registers here, so the emit will have to fix up for this.
+ * put them in. Note that we're only reserving space for it in the
+ * message payload as it will be initialized implicitly by the
+ * generator.
*
* * ir4_tg4 needs to place its channel select in the header,
* for interaction with ARB_texture_swizzle
--
2.4.3
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