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-rw-r--r--servers/rendering/shader_language.cpp28
1 files changed, 16 insertions, 12 deletions
diff --git a/servers/rendering/shader_language.cpp b/servers/rendering/shader_language.cpp
index f771d6d0ef..3b9aca200b 100644
--- a/servers/rendering/shader_language.cpp
+++ b/servers/rendering/shader_language.cpp
@@ -946,7 +946,9 @@ void ShaderLanguage::_parse_used_identifier(const StringName &p_identifier, Iden
break;
case IdentifierType::IDENTIFIER_VARYING:
if (HAS_WARNING(ShaderWarning::UNUSED_VARYING_FLAG) && used_varyings.has(p_identifier)) {
- used_varyings[p_identifier].used = true;
+ if (shader->varyings[p_identifier].stage != ShaderNode::Varying::STAGE_VERTEX && shader->varyings[p_identifier].stage != ShaderNode::Varying::STAGE_FRAGMENT) {
+ used_varyings[p_identifier].used = true;
+ }
}
break;
case IdentifierType::IDENTIFIER_UNIFORM:
@@ -2434,6 +2436,10 @@ bool ShaderLanguage::_validate_function_call(BlockNode *p_block, const FunctionI
if (shader->uniforms.has(varname)) {
fail = true;
} else {
+ if (shader->varyings.has(varname)) {
+ _set_error(vformat("Varyings cannot be passed for '%s' parameter!", "out"));
+ return false;
+ }
if (p_function_info.built_ins.has(varname)) {
BuiltInInfo info = p_function_info.built_ins[varname];
if (info.constant) {
@@ -3306,8 +3312,8 @@ bool ShaderLanguage::_is_operator_assign(Operator p_op) const {
}
bool ShaderLanguage::_validate_varying_assign(ShaderNode::Varying &p_varying, String *r_message) {
- if (current_function == String("light")) {
- *r_message = RTR("Varying may not be assigned in the 'light' function.");
+ if (current_function != String("vertex") && current_function != String("fragment")) {
+ *r_message = vformat(RTR("Varying may not be assigned in the '%s' function."), current_function);
return false;
}
switch (p_varying.stage) {
@@ -3318,12 +3324,15 @@ bool ShaderLanguage::_validate_varying_assign(ShaderNode::Varying &p_varying, St
p_varying.stage = ShaderNode::Varying::STAGE_FRAGMENT;
}
break;
+ case ShaderNode::Varying::STAGE_VERTEX_TO_FRAGMENT:
+ case ShaderNode::Varying::STAGE_VERTEX_TO_LIGHT:
case ShaderNode::Varying::STAGE_VERTEX:
if (current_function == varying_function_names.fragment) {
*r_message = RTR("Varyings which assigned in 'vertex' function may not be reassigned in 'fragment' or 'light'.");
return false;
}
break;
+ case ShaderNode::Varying::STAGE_FRAGMENT_TO_LIGHT:
case ShaderNode::Varying::STAGE_FRAGMENT:
if (current_function == varying_function_names.vertex) {
*r_message = RTR("Varyings which assigned in 'fragment' function may not be reassigned in 'vertex' or 'light'.");
@@ -4114,6 +4123,10 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
} else if (shader->uniforms.has(varname)) {
error = true;
} else {
+ if (shader->varyings.has(varname)) {
+ _set_error(vformat("Varyings cannot be passed for '%s' parameter!", _get_qualifier_str(call_function->arguments[i].qualifier)));
+ return nullptr;
+ }
if (p_function_info.built_ins.has(varname)) {
BuiltInInfo info = p_function_info.built_ins[varname];
if (info.constant) {
@@ -7862,15 +7875,6 @@ Error ShaderLanguage::_parse_shader(const Map<StringName, FunctionInfo> &p_funct
tk = _get_token();
}
-
- for (Map<StringName, ShaderNode::Varying>::Element *E = shader->varyings.front(); E; E = E->next()) {
- if (E->get().stage == ShaderNode::Varying::STAGE_VERTEX || E->get().stage == ShaderNode::Varying::STAGE_FRAGMENT) {
- _set_tkpos(E->get().tkpos);
- _set_error(RTR("Varying must only be used in two different stages, which can be 'vertex' 'fragment' and 'light'"));
- return ERR_PARSE_ERROR;
- }
- }
-
return OK;
}