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-rw-r--r--src/glsl/ir_constant_expression.cpp20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/glsl/ir_constant_expression.cpp b/src/glsl/ir_constant_expression.cpp
index d05aa104f8..5c2e3629e1 100644
--- a/src/glsl/ir_constant_expression.cpp
+++ b/src/glsl/ir_constant_expression.cpp
@@ -317,6 +317,26 @@ ir_constant_visitor::visit(ir_expression *ir)
}
break;
+ case ir_binop_dot:
+ assert(op[0]->type->is_vector() && op[1]->type->is_vector());
+ data.f[0] = 0;
+ for (c = 0; c < op[0]->type->components(); c++) {
+ switch (ir->operands[0]->type->base_type) {
+ case GLSL_TYPE_UINT:
+ data.u[0] += op[0]->value.u[c] * op[1]->value.u[c];
+ break;
+ case GLSL_TYPE_INT:
+ data.i[0] += op[0]->value.i[c] * op[1]->value.i[c];
+ break;
+ case GLSL_TYPE_FLOAT:
+ data.f[0] += op[0]->value.f[c] * op[1]->value.f[c];
+ break;
+ default:
+ assert(0);
+ }
+ }
+
+ break;
case ir_binop_add:
assert(op[0]->type == op[1]->type || op0_scalar || op1_scalar);
for (unsigned c = 0, c0 = 0, c1 = 0;