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-rw-r--r--servers/rendering/shader_language.cpp49
-rw-r--r--servers/rendering/shader_language.h5
-rw-r--r--servers/rendering/shader_warnings.cpp4
-rw-r--r--servers/rendering/shader_warnings.h2
4 files changed, 56 insertions, 4 deletions
diff --git a/servers/rendering/shader_language.cpp b/servers/rendering/shader_language.cpp
index 9b2ba36358..f771d6d0ef 100644
--- a/servers/rendering/shader_language.cpp
+++ b/servers/rendering/shader_language.cpp
@@ -918,6 +918,7 @@ void ShaderLanguage::clear() {
used_uniforms.clear();
used_functions.clear();
used_structs.clear();
+ used_local_vars.clear();
warnings.clear();
#endif // DEBUG_ENABLED
@@ -936,7 +937,7 @@ void ShaderLanguage::clear() {
}
#ifdef DEBUG_ENABLED
-void ShaderLanguage::_parse_used_identifier(const StringName &p_identifier, IdentifierType p_type) {
+void ShaderLanguage::_parse_used_identifier(const StringName &p_identifier, IdentifierType p_type, const StringName &p_function) {
switch (p_type) {
case IdentifierType::IDENTIFIER_CONSTANT:
if (HAS_WARNING(ShaderWarning::UNUSED_CONSTANT_FLAG) && used_constants.has(p_identifier)) {
@@ -958,6 +959,11 @@ void ShaderLanguage::_parse_used_identifier(const StringName &p_identifier, Iden
used_functions[p_identifier].used = true;
}
break;
+ case IdentifierType::IDENTIFIER_LOCAL_VAR:
+ if (HAS_WARNING(ShaderWarning::UNUSED_LOCAL_VARIABLE_FLAG) && used_local_vars.has(p_function) && used_local_vars[p_function].has(p_identifier)) {
+ used_local_vars[p_function][p_identifier].used = true;
+ }
+ break;
default:
break;
}
@@ -4171,7 +4177,13 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
expr = func;
#ifdef DEBUG_ENABLED
if (check_warnings) {
- _parse_used_identifier(name, IdentifierType::IDENTIFIER_FUNCTION);
+ StringName func_name;
+
+ if (p_block && p_block->parent_function) {
+ func_name = p_block->parent_function->name;
+ }
+
+ _parse_used_identifier(name, IdentifierType::IDENTIFIER_FUNCTION, func_name);
}
#endif // DEBUG_ENABLED
}
@@ -4319,7 +4331,13 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
}
#ifdef DEBUG_ENABLED
if (check_warnings) {
- _parse_used_identifier(identifier, ident_type);
+ StringName func_name;
+
+ if (p_block && p_block->parent_function) {
+ func_name = p_block->parent_function->name;
+ }
+
+ _parse_used_identifier(identifier, ident_type, func_name);
}
#endif // DEBUG_ENABLED
}
@@ -5537,6 +5555,20 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const FunctionInfo &p_fun
}
}
+#ifdef DEBUG_ENABLED
+ if (check_warnings && HAS_WARNING(ShaderWarning::UNUSED_LOCAL_VARIABLE_FLAG)) {
+ if (p_block && p_block->parent_function) {
+ StringName func_name = p_block->parent_function->name;
+
+ if (!used_local_vars.has(func_name)) {
+ used_local_vars.insert(func_name, Map<StringName, Usage>());
+ }
+
+ used_local_vars[func_name].insert(name, Usage(tk_line));
+ }
+ }
+#endif // DEBUG_ENABLED
+
BlockNode::Variable var;
var.type = type;
var.precision = precision;
@@ -7984,6 +8016,15 @@ String ShaderLanguage::get_shader_type(const String &p_code) {
#ifdef DEBUG_ENABLED
void ShaderLanguage::_check_warning_accums() {
+ for (Map<ShaderWarning::Code, Map<StringName, Map<StringName, Usage>> *>::Element *E = warnings_check_map2.front(); E; E = E->next()) {
+ for (Map<StringName, Map<StringName, Usage>>::Element *T = (*E->get()).front(); T; T = T->next()) {
+ for (const Map<StringName, Usage>::Element *U = T->get().front(); U; U = U->next()) {
+ if (!U->get().used) {
+ _add_warning(E->key(), U->get().decl_line, U->key());
+ }
+ }
+ }
+ }
for (Map<ShaderWarning::Code, Map<StringName, Usage> *>::Element *E = warnings_check_map.front(); E; E = E->next()) {
for (const Map<StringName, Usage>::Element *U = (*E->get()).front(); U; U = U->next()) {
if (!U->get().used) {
@@ -8456,6 +8497,8 @@ ShaderLanguage::ShaderLanguage() {
warnings_check_map.insert(ShaderWarning::UNUSED_STRUCT, &used_structs);
warnings_check_map.insert(ShaderWarning::UNUSED_UNIFORM, &used_uniforms);
warnings_check_map.insert(ShaderWarning::UNUSED_VARYING, &used_varyings);
+
+ warnings_check_map2.insert(ShaderWarning::UNUSED_LOCAL_VARIABLE, &used_local_vars);
#endif // DEBUG_ENABLED
}
diff --git a/servers/rendering/shader_language.h b/servers/rendering/shader_language.h
index 4120e04ee1..a91fa57a8e 100644
--- a/servers/rendering/shader_language.h
+++ b/servers/rendering/shader_language.h
@@ -848,6 +848,9 @@ private:
Map<StringName, Usage> used_structs;
Map<ShaderWarning::Code, Map<StringName, Usage> *> warnings_check_map;
+ Map<StringName, Map<StringName, Usage>> used_local_vars;
+ Map<ShaderWarning::Code, Map<StringName, Map<StringName, Usage>> *> warnings_check_map2;
+
List<ShaderWarning> warnings;
bool check_warnings = false;
@@ -917,7 +920,7 @@ private:
bool _find_identifier(const BlockNode *p_block, bool p_allow_reassign, const FunctionInfo &p_function_info, const StringName &p_identifier, DataType *r_data_type = nullptr, IdentifierType *r_type = nullptr, bool *r_is_const = nullptr, int *r_array_size = nullptr, StringName *r_struct_name = nullptr, ConstantNode::Value *r_constant_value = nullptr);
#ifdef DEBUG_ENABLED
- void _parse_used_identifier(const StringName &p_identifier, IdentifierType p_type);
+ void _parse_used_identifier(const StringName &p_identifier, IdentifierType p_type, const StringName &p_function);
#endif // DEBUG_ENABLED
bool _is_operator_assign(Operator p_op) const;
bool _validate_assign(Node *p_node, const FunctionInfo &p_function_info, String *r_message = nullptr);
diff --git a/servers/rendering/shader_warnings.cpp b/servers/rendering/shader_warnings.cpp
index aa11b4e397..0c1d6408c9 100644
--- a/servers/rendering/shader_warnings.cpp
+++ b/servers/rendering/shader_warnings.cpp
@@ -59,6 +59,8 @@ String ShaderWarning::get_message() const {
return vformat("The uniform '%s' is declared but never used.", subject);
case UNUSED_VARYING:
return vformat("The varying '%s' is declared but never used.", subject);
+ case UNUSED_LOCAL_VARIABLE:
+ return vformat("The local variable '%s' is declared but never used.", subject);
default:
break;
}
@@ -79,6 +81,7 @@ String ShaderWarning::get_name_from_code(Code p_code) {
"UNUSED_STRUCT",
"UNUSED_UNIFORM",
"UNUSED_VARYING",
+ "UNUSED_LOCAL_VARIABLE",
};
static_assert((sizeof(names) / sizeof(*names)) == WARNING_MAX, "Amount of warning types don't match the amount of warning names.");
@@ -106,6 +109,7 @@ static void init_code_to_flags_map() {
code_to_flags_map->insert(ShaderWarning::UNUSED_STRUCT, ShaderWarning::UNUSED_STRUCT_FLAG);
code_to_flags_map->insert(ShaderWarning::UNUSED_UNIFORM, ShaderWarning::UNUSED_UNIFORM_FLAG);
code_to_flags_map->insert(ShaderWarning::UNUSED_VARYING, ShaderWarning::UNUSED_VARYING_FLAG);
+ code_to_flags_map->insert(ShaderWarning::UNUSED_LOCAL_VARIABLE, ShaderWarning::UNUSED_LOCAL_VARIABLE_FLAG);
}
ShaderWarning::CodeFlags ShaderWarning::get_flags_from_codemap(const Map<Code, bool> &p_map) {
diff --git a/servers/rendering/shader_warnings.h b/servers/rendering/shader_warnings.h
index c40aeefa2d..db872d8fb1 100644
--- a/servers/rendering/shader_warnings.h
+++ b/servers/rendering/shader_warnings.h
@@ -46,6 +46,7 @@ public:
UNUSED_STRUCT,
UNUSED_UNIFORM,
UNUSED_VARYING,
+ UNUSED_LOCAL_VARIABLE,
WARNING_MAX,
};
@@ -57,6 +58,7 @@ public:
UNUSED_STRUCT_FLAG = 8U,
UNUSED_UNIFORM_FLAG = 16U,
UNUSED_VARYING_FLAG = 32U,
+ UNUSED_LOCAL_VARIABLE_FLAG = 64U,
};
private:
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-19 18:45:55 +0000