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-rw-r--r--src/glsl/ir_constant_expression.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/glsl/ir_constant_expression.cpp b/src/glsl/ir_constant_expression.cpp
index bc1261b0b95..e68a7b1a2a2 100644
--- a/src/glsl/ir_constant_expression.cpp
+++ b/src/glsl/ir_constant_expression.cpp
@@ -850,7 +850,9 @@ ir_call::constant_expression_value()
} else if (strcmp(callee, "cross") == 0) {
expr = new(mem_ctx) ir_expression(ir_binop_cross, type, op[0], op[1]);
} else if (strcmp(callee, "degrees") == 0) {
- return NULL; /* FINISHME: implement this */
+ assert(op[0]->type->is_float());
+ for (unsigned c = 0; c < op[0]->type->components(); c++)
+ data.f[c] = 180.0/M_PI * op[0]->value.f[c];
} else if (strcmp(callee, "distance") == 0) {
return NULL; /* FINISHME: implement this */
} else if (strcmp(callee, "dot") == 0) {