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ir_constant_expression: Add support for ir_unop_trunc.

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This uses a C99 function.
This commit is contained in:
Kenneth Graunke
2010-07-08 23:21:36 -07:00
parent cb63929df4
commit 323d909ab2
1 changed files with 7 additions and 0 deletions
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7
src/glsl/ir_constant_expression.cpp
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@@ -206,6 +206,13 @@ ir_constant_visitor::visit(ir_expression *ir)
} }
break; break;
case ir_unop_trunc:
assert(op[0]->type->base_type == GLSL_TYPE_FLOAT);
for (unsigned c = 0; c < ir->operands[0]->type->components(); c++) {
data.f[c] = truncf(op[0]->value.f[c]);
}
break;
case ir_unop_fract: case ir_unop_fract:
for (unsigned c = 0; c < ir->operands[0]->type->components(); c++) { for (unsigned c = 0; c < ir->operands[0]->type->components(); c++) {
switch (ir->type->base_type) { switch (ir->type->base_type) {