---
src/glsl/opt_minmax.cpp | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/src/glsl/opt_minmax.cpp b/src/glsl/opt_minmax.cpp
index f066b45..5515f51 100644
--- a/src/glsl/opt_minmax.cpp
+++ b/src/glsl/opt_minmax.cpp
@@ -411,6 +411,30 @@ get_range(ir_rvalue *rval)
r1 = get_range(expr->operands[1]);
return resolv_add_range(r0, r1);
+ case ir_binop_dot: {
+ r0 = get_range(expr->operands[0]);
+ r1 = get_range(expr->operands[1]);
+
+ r0 = resolv_mul_range(r0, r1);
+ float sum = 0.0f;
+
+ if (r0.low) {
+ for (unsigned i = 0; i < r0.low->type->components(); i++)
+ sum += r0.low->get_float_component(i);
+ low = new(mem_ctx) ir_constant(sum);
+ }
+
+ sum = 0.0f;
+
+ if (r0.high) {
+ for (unsigned i = 0; i < r0.high->type->components(); i++)
+ sum += r0.high->get_float_component(i);
+ high = new(mem_ctx) ir_constant(sum);
+ }
+
+ return minmax_range(low, high);
+ }
+
case ir_binop_min:
case ir_binop_max:
r0 = get_range(expr->operands[0]);
--
2.2.1
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