Mesa (master): ir_to_mesa: When emitting a pixel kill, flag that we did so.
Eric Anholt
anholt at kemper.freedesktop.org
Tue Aug 31 22:44:25 UTC 2010
Module: Mesa
Branch: master
Commit: 9b075cb9fa9eb6a95d0816283ef01ae72dafa680
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=9b075cb9fa9eb6a95d0816283ef01ae72dafa680
Author: Eric Anholt <eric at anholt.net>
Date: Tue Aug 31 13:02:59 2010 -0700
ir_to_mesa: When emitting a pixel kill, flag that we did so.
Both i965 and swrast rely on UsesKill to determine whether to do early
depth writes. Fixes glsl-fs-discard-02.
Bug #29835.
---
src/mesa/program/ir_to_mesa.cpp | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp
index 8f39a22..57458d0 100644
--- a/src/mesa/program/ir_to_mesa.cpp
+++ b/src/mesa/program/ir_to_mesa.cpp
@@ -2041,9 +2041,12 @@ ir_to_mesa_visitor::visit(ir_return *ir)
void
ir_to_mesa_visitor::visit(ir_discard *ir)
{
+ struct gl_fragment_program *fp = (struct gl_fragment_program *)this->prog;
+
assert(ir->condition == NULL); /* FINISHME */
ir_to_mesa_emit_op0(ir, OPCODE_KIL_NV);
+ fp->UsesKill = GL_TRUE;
}
void
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