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Fix vector reduction in shader language

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This commit is contained in:
JFonS
2018-04-29 20:58:42 +02:00
parent b35f3a569e
commit 5b50685b38
2 changed files with 44 additions and 3 deletions
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46
servers/visual/shader_language.cpp
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@@ -2207,6 +2207,37 @@ ShaderLanguage::DataType ShaderLanguage::get_scalar_type(DataType p_type) {
return scalar_types[p_type];
}
int ShaderLanguage::get_cardinality(DataType p_type) {
static const int cardinality_table[] = {
0,
1,
2,
3,
4,
1,
2,
3,
4,
1,
2,
3,
4,
1,
2,
3,
4,
2,
3,
4,
1,
1,
1,
1,
};
return cardinality_table[p_type];
}
bool ShaderLanguage::_get_completable_identifier(BlockNode *p_block, CompletionType p_type, StringName &identifier) {
identifier = StringName();
@@ -3117,9 +3148,18 @@ ShaderLanguage::Node *ShaderLanguage::_reduce_expression(BlockNode *p_block, Sha
if (get_scalar_type(cn->datatype) == base) {
for (int j = 0; j < cn->values.size(); j++) {
values.push_back(cn->values[j]);
}
int cardinality = get_cardinality(op->arguments[i]->get_datatype());
if (cn->values.size() == cardinality) {
for (int j = 0; j < cn->values.size(); j++) {
values.push_back(cn->values[j]);
}
} else if (cn->values.size() == 1) {
for (int j = 0; j < cardinality; j++) {
values.push_back(cn->values[0]);
}
} // else: should be filtered by the parser as it's an invalid constructor
} else if (get_scalar_type(cn->datatype) == cn->datatype) {
ConstantNode::Value v;