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-rw-r--r--servers/visual/shader_language.cpp85
1 files changed, 82 insertions, 3 deletions
diff --git a/servers/visual/shader_language.cpp b/servers/visual/shader_language.cpp
index d52e121a13..358ed8ca54 100644
--- a/servers/visual/shader_language.cpp
+++ b/servers/visual/shader_language.cpp
@@ -691,6 +691,30 @@ String ShaderLanguage::token_debug(const String &p_code) {
return output;
}
+bool ShaderLanguage::is_token_variable_datatype(TokenType p_type) {
+ return (
+ p_type == TK_TYPE_VOID ||
+ p_type == TK_TYPE_BOOL ||
+ p_type == TK_TYPE_BVEC2 ||
+ p_type == TK_TYPE_BVEC3 ||
+ p_type == TK_TYPE_BVEC4 ||
+ p_type == TK_TYPE_INT ||
+ p_type == TK_TYPE_IVEC2 ||
+ p_type == TK_TYPE_IVEC3 ||
+ p_type == TK_TYPE_IVEC4 ||
+ p_type == TK_TYPE_UINT ||
+ p_type == TK_TYPE_UVEC2 ||
+ p_type == TK_TYPE_UVEC3 ||
+ p_type == TK_TYPE_UVEC4 ||
+ p_type == TK_TYPE_FLOAT ||
+ p_type == TK_TYPE_VEC2 ||
+ p_type == TK_TYPE_VEC3 ||
+ p_type == TK_TYPE_VEC4 ||
+ p_type == TK_TYPE_MAT2 ||
+ p_type == TK_TYPE_MAT3 ||
+ p_type == TK_TYPE_MAT4);
+}
+
bool ShaderLanguage::is_token_datatype(TokenType p_type) {
return (
@@ -2013,6 +2037,12 @@ const ShaderLanguage::BuiltinFuncDef ShaderLanguage::builtin_func_defs[] = {
};
+const ShaderLanguage::BuiltinFuncOutArgs ShaderLanguage::builtin_func_out_args[] = {
+ //constructors
+ { "modf", 1 },
+ { NULL, 0 }
+};
+
bool ShaderLanguage::_validate_function_call(BlockNode *p_block, OperatorNode *p_func, DataType *r_ret_type) {
ERR_FAIL_COND_V(p_func->op != OP_CALL && p_func->op != OP_CONSTRUCT, NULL);
@@ -2056,6 +2086,41 @@ bool ShaderLanguage::_validate_function_call(BlockNode *p_block, OperatorNode *p
if (!fail) {
+ //make sure its not an out argument used in the wrong way
+ int outarg_idx = 0;
+ while (builtin_func_out_args[outarg_idx].name) {
+
+ if (String(name) == builtin_func_out_args[outarg_idx].name) {
+ int arg_idx = builtin_func_out_args[outarg_idx].argument;
+
+ 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");
+ return false;
+ }
+ StringName 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)) {
+ valid = true;
+ break;
+ }
+ b = b->parent_block;
+ }
+
+ if (!valid) {
+ _set_error("Argument " + itos(arg_idx + 1) + " of function '" + String(name) + "' can only take a local variable");
+ return false;
+ }
+ }
+ }
+
+ outarg_idx++;
+ }
+
if (r_ret_type)
*r_ret_type = builtin_func_defs[idx].rettype;
@@ -2288,7 +2353,7 @@ bool ShaderLanguage::is_sampler_type(DataType p_type) {
p_type == TYPE_SAMPLERCUBE;
}
-Variant ShaderLanguage::constant_value_to_variant(const Vector<ShaderLanguage::ConstantNode::Value> &p_value, DataType p_type) {
+Variant ShaderLanguage::constant_value_to_variant(const Vector<ShaderLanguage::ConstantNode::Value> &p_value, DataType p_type, ShaderLanguage::ShaderNode::Uniform::Hint p_hint) {
if (p_value.size() > 0) {
Variant value;
switch (p_type) {
@@ -2332,7 +2397,11 @@ Variant ShaderLanguage::constant_value_to_variant(const Vector<ShaderLanguage::C
value = Variant(Vector3(p_value[0].real, p_value[1].real, p_value[2].real));
break;
case ShaderLanguage::TYPE_VEC4:
- value = Variant(Plane(p_value[0].real, p_value[1].real, p_value[2].real, p_value[3].real));
+ if (p_hint == ShaderLanguage::ShaderNode::Uniform::HINT_COLOR) {
+ value = Variant(Color(p_value[0].real, p_value[1].real, p_value[2].real, p_value[3].real));
+ } else {
+ value = Variant(Plane(p_value[0].real, p_value[1].real, p_value[2].real, p_value[3].real));
+ }
break;
case ShaderLanguage::TYPE_MAT2:
value = Variant(Transform2D(p_value[0].real, p_value[2].real, p_value[1].real, p_value[3].real, 0.0, 0.0));
@@ -2498,7 +2567,7 @@ bool ShaderLanguage::_get_completable_identifier(BlockNode *p_block, CompletionT
identifier = StringName();
- TkPos pos;
+ TkPos pos = { 0, 0 };
Token tk = _get_token();
@@ -3563,6 +3632,11 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Map<StringName, Bui
}
}
+ if (!is_token_variable_datatype(tk.type)) {
+ _set_error("Invalid data type for variable (samplers not allowed)");
+ return ERR_PARSE_ERROR;
+ }
+
DataType type = get_token_datatype(tk.type);
tk = _get_token();
@@ -4218,6 +4292,11 @@ Error ShaderLanguage::_parse_shader(const Map<StringName, FunctionInfo> &p_funct
return ERR_PARSE_ERROR;
}
+ if (!is_token_variable_datatype(tk.type)) {
+ _set_error("Invalid data type for function return (samplers not allowed)");
+ return ERR_PARSE_ERROR;
+ }
+
type = get_token_datatype(tk.type);
_get_completable_identifier(NULL, COMPLETION_MAIN_FUNCTION, name);