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Add some more operations to ir_constant_expression.cpp.

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This commit is contained in:
Eric Anholt
2010-04-01 18:35:42 -10:00
committed by Ian Romanick
parent d98da9738e
commit d251b92f8d
1 changed files with 66 additions and 0 deletions
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ir_constant_expression.cpp
+66
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@@ -153,6 +153,46 @@ ir_constant_visitor::visit(ir_expression *ir)
for (c = 0; c < ir->operands[0]->type->components(); c++)
b[c] = !op[0]->value.b[c];
break;
case ir_binop_add:
if (ir->operands[0]->type == ir->operands[1]->type) {
type = ir->operands[0]->type;
for (c = 0; c < ir->operands[0]->type->components(); c++) {
switch (ir->operands[0]->type->base_type) {
case GLSL_TYPE_UINT:
u[c] = op[0]->value.u[c] + op[1]->value.u[c];
break;
case GLSL_TYPE_INT:
i[c] = op[0]->value.i[c] + op[1]->value.i[c];
break;
case GLSL_TYPE_FLOAT:
f[c] = op[0]->value.f[c] + op[1]->value.f[c];
break;
default:
assert(0);
}
}
}
break;
case ir_binop_sub:
if (ir->operands[0]->type == ir->operands[1]->type) {
type = ir->operands[0]->type;
for (c = 0; c < ir->operands[0]->type->components(); c++) {
switch (ir->operands[0]->type->base_type) {
case GLSL_TYPE_UINT:
u[c] = op[0]->value.u[c] - op[1]->value.u[c];
break;
case GLSL_TYPE_INT:
i[c] = op[0]->value.i[c] - op[1]->value.i[c];
break;
case GLSL_TYPE_FLOAT:
f[c] = op[0]->value.f[c] - op[1]->value.f[c];
break;
default:
assert(0);
}
}
}
break;
case ir_binop_mul:
if (ir->operands[0]->type == ir->operands[1]->type &&
!ir->operands[0]->type->is_matrix()) {
@@ -174,12 +214,38 @@ ir_constant_visitor::visit(ir_expression *ir)
}
}
break;
case ir_binop_div:
if (ir->operands[0]->type == ir->operands[1]->type) {
type = ir->operands[0]->type;
for (c = 0; c < ir->operands[0]->type->components(); c++) {
switch (ir->operands[0]->type->base_type) {
case GLSL_TYPE_UINT:
u[c] = op[0]->value.u[c] / op[1]->value.u[c];
break;
case GLSL_TYPE_INT:
i[c] = op[0]->value.i[c] / op[1]->value.i[c];
break;
case GLSL_TYPE_FLOAT:
f[c] = op[0]->value.f[c] / op[1]->value.f[c];
break;
default:
assert(0);
}
}
}
break;
case ir_binop_logic_and:
type = ir->operands[0]->type;
assert(type->base_type == GLSL_TYPE_BOOL);
for (c = 0; c < ir->operands[0]->type->components(); c++)
b[c] = op[0]->value.b[c] && op[1]->value.b[c];
break;
case ir_binop_logic_xor:
type = ir->operands[0]->type;
assert(type->base_type == GLSL_TYPE_BOOL);
for (c = 0; c < ir->operands[0]->type->components(); c++)
b[c] = op[0]->value.b[c] ^ op[1]->value.b[c];
break;
case ir_binop_logic_or:
type = ir->operands[0]->type;
assert(type->base_type == GLSL_TYPE_BOOL);