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glsl: Don't support ir_unop_abs or ir_unop_sign for unsigned integers

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Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Ian Romanick
2016-07-08 17:34:53 -07:00
parent cceb50e14e
commit 437e612bd7
2 changed files with 9 additions and 6 deletions
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6
src/compiler/glsl/ir_constant_expression.cpp
View File

@@ -785,9 +785,6 @@ ir_expression::constant_expression_value(struct hash_table *variable_context)
case ir_unop_abs:
for (unsigned c = 0; c < op[0]->type->components(); c++) {
switch (this->type->base_type) {
case GLSL_TYPE_UINT:
data.u[c] = op[0]->value.u[c];
break;
case GLSL_TYPE_INT:
data.i[c] = op[0]->value.i[c];
if (data.i[c] < 0)
@@ -808,9 +805,6 @@ ir_expression::constant_expression_value(struct hash_table *variable_context)
case ir_unop_sign:
for (unsigned c = 0; c < op[0]->type->components(); c++) {
switch (this->type->base_type) {
case GLSL_TYPE_UINT:
data.u[c] = op[0]->value.i[c] > 0;
break;
case GLSL_TYPE_INT:
data.i[c] = (op[0]->value.i[c] > 0) - (op[0]->value.i[c] < 0);
break;

9
src/compiler/glsl/ir_validate.cpp
View File

@@ -246,8 +246,17 @@ ir_validate::visit_leave(ir_expression *ir)
break;
case ir_unop_neg:
assert(ir->type == ir->operands[0]->type);
break;
case ir_unop_abs:
case ir_unop_sign:
assert(ir->operands[0]->type->base_type == GLSL_TYPE_INT ||
ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT ||
ir->operands[0]->type->base_type == GLSL_TYPE_DOUBLE);
assert(ir->type == ir->operands[0]->type);
break;
case ir_unop_rcp:
case ir_unop_rsq:
case ir_unop_sqrt: