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ir_constant_expression: Add support for the "equal" builtin.

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This commit is contained in:
Kenneth Graunke
2010-07-21 18:04:22 -07:00
parent 2eaf31642c
commit 0b6ef6ef6e
1 changed files with 16 additions and 1 deletions
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17
src/glsl/ir_constant_expression.cpp
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@@ -864,7 +864,22 @@ ir_call::constant_expression_value()
} else if (strcmp(callee, "dot") == 0) { } else if (strcmp(callee, "dot") == 0) {
expr = new(mem_ctx) ir_expression(ir_binop_dot, type, op[0], op[1]); expr = new(mem_ctx) ir_expression(ir_binop_dot, type, op[0], op[1]);
} else if (strcmp(callee, "equal") == 0) { } else if (strcmp(callee, "equal") == 0) {
return NULL; /* FINISHME: implement this */ assert(op[0]->type->is_vector() && op[1] && op[1]->type->is_vector());
for (unsigned c = 0; c < op[0]->type->components(); c++) {
switch (op[0]->type->base_type) {
case GLSL_TYPE_UINT:
data.b[c] = op[0]->value.u[c] == op[1]->value.u[c];
break;
case GLSL_TYPE_INT:
data.b[c] = op[0]->value.i[c] == op[1]->value.i[c];
break;
case GLSL_TYPE_FLOAT:
data.b[c] = op[0]->value.f[c] == op[1]->value.f[c];
break;
default:
assert(!"Should not get here.");
}
}
} else if (strcmp(callee, "exp") == 0) { } else if (strcmp(callee, "exp") == 0) {
expr = new(mem_ctx) ir_expression(ir_unop_exp, type, op[0], NULL); expr = new(mem_ctx) ir_expression(ir_unop_exp, type, op[0], NULL);
} else if (strcmp(callee, "exp2") == 0) { } else if (strcmp(callee, "exp2") == 0) {