Module: Mesa
Branch: master
Commit: dd70945e09a348c3aa54675c65c40a284e78c362
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=dd70945e09a348c3aa54675c65c40a284e78c362
Author: Rob Clark <robcl...@freedesktop.org>
Date: Mon Apr 11 12:57:31 2016 -0400
freedreno/ir3: use (ss) instead of (sy) for ldlv
Fixes a bunch of flat-varying fail on a4xx (where we need to use ldlv to
read the un-interpolated varying).
Signed-off-by: Rob Clark <robcl...@freedesktop.org>
---
src/gallium/drivers/freedreno/ir3/ir3_legalize.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/freedreno/ir3/ir3_legalize.c
b/src/gallium/drivers/freedreno/ir3/ir3_legalize.c
index 77cd0e6..7a49f4c 100644
--- a/src/gallium/drivers/freedreno/ir3/ir3_legalize.c
+++ b/src/gallium/drivers/freedreno/ir3/ir3_legalize.c
@@ -183,7 +183,13 @@ legalize_block(struct ir3_legalize_ctx *ctx, struct
ir3_block *block)
ctx->has_samp = true;
regmask_set(&needs_sy, n->regs[0]);
} else if (is_load(n)) {
- regmask_set(&needs_sy, n->regs[0]);
+ /* seems like ldlv needs (ss) bit instead?? which is
odd but
+ * makes a bunch of flat-varying tests start working on
a4xx.
+ */
+ if (n->opc == OPC_LDLV)
+ regmask_set(&needs_ss, n->regs[0]);
+ else
+ regmask_set(&needs_sy, n->regs[0]);
}
/* both tex/sfu appear to not always immediately consume
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