Module: Mesa
Branch: glsl2
Commit: 3e882ec84a2493da74c55d105010a37de521e593
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=3e882ec84a2493da74c55d105010a37de521e593
Author: Kenneth Graunke <kenn...@whitecape.org>
Date: Thu Jul 22 17:44:34 2010 -0700
ir_constant_expression: Fix broken code for floating point modulus.
It's supposed to be x - y * floor(x/y), not (x - y) * floor(x/y).
---
src/glsl/ir_constant_expression.cpp | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/src/glsl/ir_constant_expression.cpp
b/src/glsl/ir_constant_expression.cpp
index 5bef17c..f15530a 100644
--- a/src/glsl/ir_constant_expression.cpp
+++ b/src/glsl/ir_constant_expression.cpp
@@ -533,7 +533,7 @@ ir_expression::constant_expression_value()
/* We don't use fmod because it rounds toward zero; GLSL specifies
* the use of floor.
*/
- data.f[c] = (op[0]->value.f[c0] - op[1]->value.f[c1])
+ data.f[c] = op[0]->value.f[c0] - op[1]->value.f[c1]
* floorf(op[0]->value.f[c0] / op[1]->value.f[c1]);
break;
default:
_______________________________________________
mesa-commit mailing list
mesa-commit@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/mesa-commit
