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ir_constant_expression: Fix broken code for floating point modulus.

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It's supposed to be x - y * floor(x/y), not (x - y) * floor(x/y).
This commit is contained in:
Kenneth Graunke
2010-07-22 17:44:34 -07:00
parent 0a71527dab
commit 3e882ec84a
1 changed files with 1 additions and 1 deletions
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src/glsl/ir_constant_expression.cpp
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@@ -533,7 +533,7 @@ ir_expression::constant_expression_value()
/* We don't use fmod because it rounds toward zero; GLSL specifies /* We don't use fmod because it rounds toward zero; GLSL specifies
* the use of floor. * 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]); * floorf(op[0]->value.f[c0] / op[1]->value.f[c1]);
break; break;
default: default: