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-rw-r--r--servers/visual/shader_language.cpp68
-rw-r--r--servers/visual/shader_language.h2
2 files changed, 61 insertions, 9 deletions
diff --git a/servers/visual/shader_language.cpp b/servers/visual/shader_language.cpp
index 98f1b2e460..8e11ac3e2e 100644
--- a/servers/visual/shader_language.cpp
+++ b/servers/visual/shader_language.cpp
@@ -2114,7 +2114,7 @@ const ShaderLanguage::BuiltinFuncOutArgs ShaderLanguage::builtin_func_out_args[]
{ NULL, 0 }
};
-bool ShaderLanguage::_validate_function_call(BlockNode *p_block, OperatorNode *p_func, DataType *r_ret_type, StringName *r_ret_type_str) {
+bool ShaderLanguage::_validate_function_call(BlockNode *p_block, const Map<StringName, BuiltInInfo> &p_builtin_types, OperatorNode *p_func, DataType *r_ret_type, StringName *r_ret_type_str) {
ERR_FAIL_COND_V(p_func->op != OP_CALL && p_func->op != OP_CONSTRUCT, false);
@@ -2185,16 +2185,68 @@ bool ShaderLanguage::_validate_function_call(BlockNode *p_block, OperatorNode *p
if (arg_idx < argcount) {
- if (p_func->arguments[arg_idx + 1]->type != Node::TYPE_VARIABLE) {
- _set_error("Argument " + itos(arg_idx + 1) + " of function '" + String(name) + "' is not a variable");
+ if (p_func->arguments[arg_idx + 1]->type != Node::TYPE_VARIABLE && p_func->arguments[arg_idx + 1]->type != Node::TYPE_MEMBER && p_func->arguments[arg_idx + 1]->type != Node::TYPE_ARRAY) {
+ _set_error("Argument " + itos(arg_idx + 1) + " of function '" + String(name) + "' is not a variable, array or member.");
return false;
}
- StringName var_name = static_cast<const VariableNode *>(p_func->arguments[arg_idx + 1])->name;
+ if (p_func->arguments[arg_idx + 1]->type == Node::TYPE_ARRAY) {
+ ArrayNode *mn = static_cast<ArrayNode *>(p_func->arguments[arg_idx + 1]);
+ if (mn->is_const) {
+ fail = true;
+ }
+ } else if (p_func->arguments[arg_idx + 1]->type == Node::TYPE_MEMBER) {
+ MemberNode *mn = static_cast<MemberNode *>(p_func->arguments[arg_idx + 1]);
+ if (mn->basetype_const) {
+ fail = true;
+ }
+ } else { // TYPE_VARIABLE
+ VariableNode *vn = static_cast<VariableNode *>(p_func->arguments[arg_idx + 1]);
+ if (vn->is_const) {
+ fail = true;
+ } else {
+ StringName varname = vn->name;
+ if (shader->uniforms.has(varname)) {
+ fail = true;
+ } else {
+ if (p_builtin_types.has(varname)) {
+ BuiltInInfo info = p_builtin_types[varname];
+ if (info.constant) {
+ fail = true;
+ }
+ }
+ }
+ }
+ }
+ if (fail) {
+ _set_error(vformat("Constant value cannot be passed for '%s' parameter!", "out"));
+ return false;
+ }
+
+ StringName var_name;
+ if (p_func->arguments[arg_idx + 1]->type == Node::TYPE_ARRAY) {
+ var_name = static_cast<const ArrayNode *>(p_func->arguments[arg_idx + 1])->name;
+ } else if (p_func->arguments[arg_idx + 1]->type == Node::TYPE_MEMBER) {
+ Node *n = static_cast<const MemberNode *>(p_func->arguments[arg_idx + 1])->owner;
+ while (n->type == Node::TYPE_MEMBER) {
+ n = static_cast<const MemberNode *>(n)->owner;
+ }
+ if (n->type != Node::TYPE_VARIABLE && n->type != Node::TYPE_ARRAY) {
+ _set_error("Argument " + itos(arg_idx + 1) + " of function '" + String(name) + "' is not a variable, array or member.");
+ return false;
+ }
+ if (n->type == Node::TYPE_VARIABLE) {
+ var_name = static_cast<const VariableNode *>(n)->name;
+ } else { // TYPE_ARRAY
+ var_name = static_cast<const ArrayNode *>(n)->name;
+ }
+ } else { // TYPE_VARIABLE
+ var_name = static_cast<const VariableNode *>(p_func->arguments[arg_idx + 1])->name;
+ }
const BlockNode *b = p_block;
bool valid = false;
while (b) {
- if (b->variables.has(var_name)) {
+ if (b->variables.has(var_name) || p_builtin_types.has(var_name)) {
valid = true;
break;
}
@@ -2210,7 +2262,7 @@ bool ShaderLanguage::_validate_function_call(BlockNode *p_block, OperatorNode *p
}
if (!valid) {
- _set_error("Argument " + itos(arg_idx + 1) + " of function '" + String(name) + "' can only take a local variable");
+ _set_error("Argument " + itos(arg_idx + 1) + " of function '" + String(name) + "' can only take a local variable, array or member.");
return false;
}
}
@@ -3197,7 +3249,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
if (!ok)
return NULL;
- if (!_validate_function_call(p_block, func, &func->return_cache, &func->struct_name)) {
+ if (!_validate_function_call(p_block, p_builtin_types, func, &func->return_cache, &func->struct_name)) {
_set_error("No matching constructor found for: '" + String(funcname->name) + "'");
return NULL;
}
@@ -3461,7 +3513,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
if (!ok)
return NULL;
- if (!_validate_function_call(p_block, func, &func->return_cache, &func->struct_name)) {
+ if (!_validate_function_call(p_block, p_builtin_types, func, &func->return_cache, &func->struct_name)) {
_set_error("No matching function found for: '" + String(funcname->name) + "'");
return NULL;
}
diff --git a/servers/visual/shader_language.h b/servers/visual/shader_language.h
index f8391dc273..239805a18e 100644
--- a/servers/visual/shader_language.h
+++ b/servers/visual/shader_language.h
@@ -859,7 +859,7 @@ private:
Error _validate_datatype(DataType p_type);
bool _compare_datatypes_in_nodes(Node *a, Node *b) const;
- bool _validate_function_call(BlockNode *p_block, OperatorNode *p_func, DataType *r_ret_type, StringName *r_ret_type_str);
+ bool _validate_function_call(BlockNode *p_block, const Map<StringName, BuiltInInfo> &p_builtin_types, OperatorNode *p_func, DataType *r_ret_type, StringName *r_ret_type_str);
bool _parse_function_arguments(BlockNode *p_block, const Map<StringName, BuiltInInfo> &p_builtin_types, OperatorNode *p_func, int *r_complete_arg = NULL);
bool _propagate_function_call_sampler_uniform_settings(StringName p_name, int p_argument, TextureFilter p_filter, TextureRepeat p_repeat);
bool _propagate_function_call_sampler_builtin_reference(StringName p_name, int p_argument, const StringName &p_builtin);