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ir_constant_expression: Add support for ir_binop_mod.

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This commit is contained in:
Kenneth Graunke
2010-07-14 11:28:40 -07:00
parent 79fed377f4
commit ce5ae5f49d
1 changed files with 27 additions and 0 deletions
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27
src/glsl/ir_constant_expression.cpp
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@@ -575,6 +575,33 @@ ir_constant_visitor::visit(ir_expression *ir)
}
break;
case ir_binop_mod:
assert(op[0]->type == op[1]->type || op0_scalar || op1_scalar);
for (unsigned c = 0, c0 = 0, c1 = 0;
c < components;
c0 += c0_inc, c1 += c1_inc, c++) {
switch (ir->operands[0]->type->base_type) {
case GLSL_TYPE_UINT:
data.u[c] = op[0]->value.u[c0] % op[1]->value.u[c1];
break;
case GLSL_TYPE_INT:
data.i[c] = op[0]->value.i[c0] % op[1]->value.i[c1];
break;
case GLSL_TYPE_FLOAT:
/* We don't use fmod because it rounds toward zero; GLSL specifies
* the use of floor.
*/
data.f[c] = (op[0]->value.f[c0] - op[1]->value.f[c1])
* floorf(op[0]->value.f[c0] / op[1]->value.f[c1]);
break;
default:
assert(0);
}
}
break;
case ir_binop_logic_and:
assert(op[0]->type->base_type == GLSL_TYPE_BOOL);
for (unsigned c = 0; c < ir->operands[0]->type->components(); c++)