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-rw-r--r--src/glsl/ir_constant_expression.cpp18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/glsl/ir_constant_expression.cpp b/src/glsl/ir_constant_expression.cpp
index c6348ac434..548217cddd 100644
--- a/src/glsl/ir_constant_expression.cpp
+++ b/src/glsl/ir_constant_expression.cpp
@@ -187,6 +187,24 @@ ir_constant_visitor::visit(ir_expression *ir)
}
break;
+ case ir_unop_fract:
+ for (c = 0; c < ir->operands[0]->type->components(); c++) {
+ switch (ir->type->base_type) {
+ case GLSL_TYPE_UINT:
+ data.u[c] = 0;
+ break;
+ case GLSL_TYPE_INT:
+ data.i[c] = 0;
+ break;
+ case GLSL_TYPE_FLOAT:
+ data.f[c] = op[0]->value.f[c] - floor(op[0]->value.f[c]);
+ break;
+ default:
+ assert(0);
+ }
+ }
+ break;
+
case ir_unop_neg:
for (c = 0; c < ir->operands[0]->type->components(); c++) {
switch (ir->type->base_type) {