Mesa (master): i965/vs: Convert gen6 userclip handling to new generators.
Eric Anholt
anholt at kemper.freedesktop.org
Wed Aug 31 18:38:50 UTC 2011
Module: Mesa
Branch: master
Commit: ead7ffc62a99c83c3f41a3f229cfbb9ed1826df0
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=ead7ffc62a99c83c3f41a3f229cfbb9ed1826df0
Author: Eric Anholt <eric at anholt.net>
Date: Sat Aug 27 11:07:05 2011 -0700
i965/vs: Convert gen6 userclip handling to new generators.
This DP4 had one of its operands missing, so we were generating
garbage clip distances. Using the per-opcode instruction generators
made it obvious.
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
---
src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
index d41c1e6..3569e3e 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
@@ -1858,9 +1858,9 @@ vec4_visitor::emit_vue_header_gen6(int header_mrf)
else
m = brw_message_reg(header_mrf + 1);
- emit(BRW_OPCODE_DP4,
- dst_reg(brw_writemask(m, 1 << (i & 3))),
- src_reg(c->userplane[i]));
+ emit(DP4(dst_reg(brw_writemask(m, 1 << (i & 3))),
+ src_reg(output_reg[VERT_RESULT_HPOS]),
+ src_reg(c->userplane[i])));
}
header_mrf += 2;
}
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