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ir_constant_visitor: Use 'union ir_constant_data' in expression handler

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This commit is contained in:
Ian Romanick 2010-06-11 16:08:47 -07:00
parent 0bb70a30d5
commit 4daaab6040
1 changed files with 63 additions and 80 deletions
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143
ir_constant_expression.cpp
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@ -131,10 +131,7 @@ ir_constant_visitor::visit(ir_expression *ir)
value = NULL;
ir_constant *op[2];
unsigned int operand, c;
unsigned u[16];
int i[16];
float f[16];
bool b[16];
ir_constant_data data;
const glsl_type *type = NULL;
for (operand = 0; operand < ir->get_num_operands(); operand++) {
@ -148,14 +145,14 @@ ir_constant_visitor::visit(ir_expression *ir)
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];
data.b[c] = !op[0]->value.b[c];
break;
case ir_unop_f2i:
assert(op[0]->type->base_type == GLSL_TYPE_FLOAT);
type = ir->type;
for (c = 0; c < ir->operands[0]->type->components(); c++) {
i[c] = op[0]->value.f[c];
data.i[c] = op[0]->value.f[c];
}
break;
case ir_unop_i2f:
@ -164,38 +161,37 @@ ir_constant_visitor::visit(ir_expression *ir)
type = ir->type;
for (c = 0; c < ir->operands[0]->type->components(); c++) {
if (op[0]->type->base_type == GLSL_TYPE_INT)
f[c] = op[0]->value.i[c];
data.f[c] = op[0]->value.i[c];
else
f[c] = op[0]->value.u[c];
data.f[c] = op[0]->value.u[c];
}
break;
case ir_unop_b2f:
assert(op[0]->type->base_type == GLSL_TYPE_BOOL);
type = ir->type;
for (c = 0; c < ir->operands[0]->type->components(); c++) {
f[c] = op[0]->value.b[c] ? 1.0 : 0.0;
data.f[c] = op[0]->value.b[c] ? 1.0 : 0.0;
}
break;
case ir_unop_f2b:
assert(op[0]->type->base_type == GLSL_TYPE_FLOAT);
type = ir->type;
for (c = 0; c < ir->operands[0]->type->components(); c++) {
b[c] = bool(op[0]->value.f[c]);
data.b[c] = bool(op[0]->value.f[c]);
}
break;
case ir_unop_b2i:
assert(op[0]->type->base_type == GLSL_TYPE_BOOL);
type = ir->type;
for (c = 0; c < ir->operands[0]->type->components(); c++) {
u[c] = op[0]->value.b[c] ? 1 : 0;
i[c] = u[c];
data.u[c] = op[0]->value.b[c] ? 1 : 0;
}
break;
case ir_unop_i2b:
assert(op[0]->type->is_integer());
type = ir->type;
for (c = 0; c < ir->operands[0]->type->components(); c++) {
b[c] = bool(op[0]->value.u[c]);
data.b[c] = bool(op[0]->value.u[c]);
}
break;
@ -204,13 +200,13 @@ ir_constant_visitor::visit(ir_expression *ir)
for (c = 0; c < ir->operands[0]->type->components(); c++) {
switch (type->base_type) {
case GLSL_TYPE_UINT:
u[c] = -op[0]->value.u[c];
data.u[c] = -op[0]->value.u[c];
break;
case GLSL_TYPE_INT:
i[c] = -op[0]->value.i[c];
data.i[c] = -op[0]->value.i[c];
break;
case GLSL_TYPE_FLOAT:
f[c] = -op[0]->value.f[c];
data.f[c] = -op[0]->value.f[c];
break;
default:
assert(0);
@ -224,15 +220,15 @@ ir_constant_visitor::visit(ir_expression *ir)
for (c = 0; c < ir->operands[0]->type->components(); c++) {
switch (type->base_type) {
case GLSL_TYPE_UINT:
u[c] = op[0]->value.u[c];
data.u[c] = op[0]->value.u[c];
break;
case GLSL_TYPE_INT:
i[c] = op[0]->value.i[c];
if (i[c] < 0)
i[c] = -i[c];
data.i[c] = op[0]->value.i[c];
if (data.i[c] < 0)
data.i[c] = -data.i[c];
break;
case GLSL_TYPE_FLOAT:
f[c] = fabs(op[0]->value.f[c]);
data.f[c] = fabs(op[0]->value.f[c]);
break;
default:
assert(0);
@ -247,15 +243,15 @@ ir_constant_visitor::visit(ir_expression *ir)
switch (type->base_type) {
case GLSL_TYPE_UINT:
if (op[0]->value.u[c] != 0.0)
u[c] = 1 / op[0]->value.u[c];
data.u[c] = 1 / op[0]->value.u[c];
break;
case GLSL_TYPE_INT:
if (op[0]->value.i[c] != 0.0)
i[c] = 1 / op[0]->value.i[c];
data.i[c] = 1 / op[0]->value.i[c];
break;
case GLSL_TYPE_FLOAT:
if (op[0]->value.f[c] != 0.0)
f[c] = 1.0 / op[0]->value.f[c];
data.f[c] = 1.0 / op[0]->value.f[c];
break;
default:
assert(0);
@ -267,7 +263,7 @@ ir_constant_visitor::visit(ir_expression *ir)
assert(op[0]->type->base_type == GLSL_TYPE_FLOAT);
type = ir->type;
for (c = 0; c < ir->operands[0]->type->components(); c++) {
f[c] = 1.0 / sqrtf(op[0]->value.f[c]);
data.f[c] = 1.0 / sqrtf(op[0]->value.f[c]);
}
break;
@ -275,7 +271,7 @@ ir_constant_visitor::visit(ir_expression *ir)
assert(op[0]->type->base_type == GLSL_TYPE_FLOAT);
type = ir->type;
for (c = 0; c < ir->operands[0]->type->components(); c++) {
f[c] = sqrtf(op[0]->value.f[c]);
data.f[c] = sqrtf(op[0]->value.f[c]);
}
break;
@ -283,7 +279,7 @@ ir_constant_visitor::visit(ir_expression *ir)
assert(op[0]->type->base_type == GLSL_TYPE_FLOAT);
type = ir->type;
for (c = 0; c < ir->operands[0]->type->components(); c++) {
f[c] = expf(op[0]->value.f[c]);
data.f[c] = expf(op[0]->value.f[c]);
}
break;
@ -291,7 +287,7 @@ ir_constant_visitor::visit(ir_expression *ir)
assert(op[0]->type->base_type == GLSL_TYPE_FLOAT);
type = ir->type;
for (c = 0; c < ir->operands[0]->type->components(); c++) {
f[c] = logf(op[0]->value.f[c]);
data.f[c] = logf(op[0]->value.f[c]);
}
break;
@ -300,7 +296,7 @@ ir_constant_visitor::visit(ir_expression *ir)
assert(op[0]->type->base_type == GLSL_TYPE_FLOAT);
type = ir->type;
for (c = 0; c < ir->operands[0]->type->components(); c++) {
f[c] = 0.0;
data.f[c] = 0.0;
}
break;
@ -310,13 +306,13 @@ ir_constant_visitor::visit(ir_expression *ir)
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];
data.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];
data.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];
data.f[c] = op[0]->value.f[c] + op[1]->value.f[c];
break;
default:
assert(0);
@ -330,13 +326,13 @@ ir_constant_visitor::visit(ir_expression *ir)
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];
data.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];
data.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];
data.f[c] = op[0]->value.f[c] - op[1]->value.f[c];
break;
default:
assert(0);
@ -351,13 +347,13 @@ ir_constant_visitor::visit(ir_expression *ir)
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];
data.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];
data.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];
data.f[c] = op[0]->value.f[c] * op[1]->value.f[c];
break;
default:
assert(0);
@ -371,13 +367,13 @@ ir_constant_visitor::visit(ir_expression *ir)
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];
data.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];
data.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];
data.f[c] = op[0]->value.f[c] / op[1]->value.f[c];
break;
default:
assert(0);
@ -389,32 +385,32 @@ ir_constant_visitor::visit(ir_expression *ir)
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];
data.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];
data.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);
for (c = 0; c < ir->operands[0]->type->components(); c++)
b[c] = op[0]->value.b[c] || op[1]->value.b[c];
data.b[c] = op[0]->value.b[c] || op[1]->value.b[c];
break;
case ir_binop_less:
type = glsl_type::bool_type;
switch (ir->operands[0]->type->base_type) {
case GLSL_TYPE_UINT:
b[0] = op[0]->value.u[0] < op[1]->value.u[0];
data.b[0] = op[0]->value.u[0] < op[1]->value.u[0];
break;
case GLSL_TYPE_INT:
b[0] = op[0]->value.i[0] < op[1]->value.i[0];
data.b[0] = op[0]->value.i[0] < op[1]->value.i[0];
break;
case GLSL_TYPE_FLOAT:
b[0] = op[0]->value.f[0] < op[1]->value.f[0];
data.b[0] = op[0]->value.f[0] < op[1]->value.f[0];
break;
default:
assert(0);
@ -424,13 +420,13 @@ ir_constant_visitor::visit(ir_expression *ir)
type = glsl_type::bool_type;
switch (ir->operands[0]->type->base_type) {
case GLSL_TYPE_UINT:
b[0] = op[0]->value.u[0] > op[1]->value.u[0];
data.b[0] = op[0]->value.u[0] > op[1]->value.u[0];
break;
case GLSL_TYPE_INT:
b[0] = op[0]->value.i[0] > op[1]->value.i[0];
data.b[0] = op[0]->value.i[0] > op[1]->value.i[0];
break;
case GLSL_TYPE_FLOAT:
b[0] = op[0]->value.f[0] > op[1]->value.f[0];
data.b[0] = op[0]->value.f[0] > op[1]->value.f[0];
break;
default:
assert(0);
@ -440,13 +436,13 @@ ir_constant_visitor::visit(ir_expression *ir)
type = glsl_type::bool_type;
switch (ir->operands[0]->type->base_type) {
case GLSL_TYPE_UINT:
b[0] = op[0]->value.u[0] <= op[1]->value.u[0];
data.b[0] = op[0]->value.u[0] <= op[1]->value.u[0];
break;
case GLSL_TYPE_INT:
b[0] = op[0]->value.i[0] <= op[1]->value.i[0];
data.b[0] = op[0]->value.i[0] <= op[1]->value.i[0];
break;
case GLSL_TYPE_FLOAT:
b[0] = op[0]->value.f[0] <= op[1]->value.f[0];
data.b[0] = op[0]->value.f[0] <= op[1]->value.f[0];
break;
default:
assert(0);
@ -456,13 +452,13 @@ ir_constant_visitor::visit(ir_expression *ir)
type = glsl_type::bool_type;
switch (ir->operands[0]->type->base_type) {
case GLSL_TYPE_UINT:
b[0] = op[0]->value.u[0] >= op[1]->value.u[0];
data.b[0] = op[0]->value.u[0] >= op[1]->value.u[0];
break;
case GLSL_TYPE_INT:
b[0] = op[0]->value.i[0] >= op[1]->value.i[0];
data.b[0] = op[0]->value.i[0] >= op[1]->value.i[0];
break;
case GLSL_TYPE_FLOAT:
b[0] = op[0]->value.f[0] >= op[1]->value.f[0];
data.b[0] = op[0]->value.f[0] >= op[1]->value.f[0];
break;
default:
assert(0);
@ -472,20 +468,20 @@ ir_constant_visitor::visit(ir_expression *ir)
case ir_binop_equal:
if (ir->operands[0]->type == ir->operands[1]->type) {
type = glsl_type::bool_type;
b[0] = true;
data.b[0] = true;
for (c = 0; c < ir->operands[0]->type->components(); c++) {
switch (ir->operands[0]->type->base_type) {
case GLSL_TYPE_UINT:
b[0] = b[0] && op[0]->value.u[c] == op[1]->value.u[c];
data.b[0] = data.b[0] && op[0]->value.u[c] == op[1]->value.u[c];
break;
case GLSL_TYPE_INT:
b[0] = b[0] && op[0]->value.i[c] == op[1]->value.i[c];
data.b[0] = data.b[0] && op[0]->value.i[c] == op[1]->value.i[c];
break;
case GLSL_TYPE_FLOAT:
b[0] = b[0] && op[0]->value.f[c] == op[1]->value.f[c];
data.b[0] = data.b[0] && op[0]->value.f[c] == op[1]->value.f[c];
break;
case GLSL_TYPE_BOOL:
b[0] = b[0] && op[0]->value.b[c] == op[1]->value.b[c];
data.b[0] = data.b[0] && op[0]->value.b[c] == op[1]->value.b[c];
break;
default:
assert(0);
@ -496,20 +492,20 @@ ir_constant_visitor::visit(ir_expression *ir)
case ir_binop_nequal:
if (ir->operands[0]->type == ir->operands[1]->type) {
type = glsl_type::bool_type;
b[0] = false;
data.b[0] = false;
for (c = 0; c < ir->operands[0]->type->components(); c++) {
switch (ir->operands[0]->type->base_type) {
case GLSL_TYPE_UINT:
b[0] = b[0] || op[0]->value.u[c] != op[1]->value.u[c];
data.b[0] = data.b[0] || op[0]->value.u[c] != op[1]->value.u[c];
break;
case GLSL_TYPE_INT:
b[0] = b[0] || op[0]->value.i[c] != op[1]->value.i[c];
data.b[0] = data.b[0] || op[0]->value.i[c] != op[1]->value.i[c];
break;
case GLSL_TYPE_FLOAT:
b[0] = b[0] || op[0]->value.f[c] != op[1]->value.f[c];
data.b[0] = data.b[0] || op[0]->value.f[c] != op[1]->value.f[c];
break;
case GLSL_TYPE_BOOL:
b[0] = b[0] || op[0]->value.b[c] != op[1]->value.b[c];
data.b[0] = data.b[0] || op[0]->value.b[c] != op[1]->value.b[c];
break;
default:
assert(0);
@ -523,20 +519,7 @@ ir_constant_visitor::visit(ir_expression *ir)
}
if (type) {
switch (type->base_type) {
case GLSL_TYPE_UINT:
value = new ir_constant(type, u);
break;
case GLSL_TYPE_INT:
value = new ir_constant(type, i);
break;
case GLSL_TYPE_FLOAT:
value = new ir_constant(type, f);
break;
case GLSL_TYPE_BOOL:
value = new ir_constant(type, b);
break;
}
this->value = new ir_constant(type, &data);
}
}