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authorChad Versace <chad@chad-versace.us>2010-10-08 17:28:34 -0700
committerKenneth Graunke <kenneth@whitecape.org>2010-10-15 00:20:18 -0700
commit90a8b792c04679fc745e5a68ead9f7c37b8d07c4 (patch)
tree4a1db9bf7160a457e630644b2791aed57b20027a /src
parent5c4c36f7f3842e287b303b1eca8d260c37e3580b (diff)
glsl: Implement constant expr evaluation for bitwise-not
Implement by adding a case to ir_expression::constant_expression_value() for ir_unop_bit_not.
Diffstat (limited to 'src')
-rw-r--r--src/glsl/ir_constant_expression.cpp15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/glsl/ir_constant_expression.cpp b/src/glsl/ir_constant_expression.cpp
index 8301e68027..4327175fc7 100644
--- a/src/glsl/ir_constant_expression.cpp
+++ b/src/glsl/ir_constant_expression.cpp
@@ -100,6 +100,21 @@ ir_expression::constant_expression_value()
}
switch (this->operation) {
+ case ir_unop_bit_not:
+ switch (op[0]->type->base_type) {
+ case GLSL_TYPE_INT:
+ for (unsigned c = 0; c < components; c++)
+ data.i[c] = ~ op[0]->value.i[c];
+ break;
+ case GLSL_TYPE_UINT:
+ for (unsigned c = 0; c < components; c++)
+ data.u[c] = ~ op[0]->value.u[c];
+ break;
+ default:
+ assert(0);
+ }
+ break;
+
case ir_unop_logic_not:
assert(op[0]->type->base_type == GLSL_TYPE_BOOL);
for (unsigned c = 0; c < op[0]->type->components(); c++)