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[3.x] Fix shader crash when using local var with the same name as varying

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This commit is contained in:
Yuri Roubinsky
2021-08-13 09:30:35 +03:00
parent f75d8d5c04
commit 8a1c986455
4 changed files with 15 additions and 6 deletions
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5
servers/visual/shader_language.cpp
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@@ -3495,6 +3495,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
bool is_const = false;
int array_size = 0;
StringName struct_name;
bool is_local = false;
if (p_block && p_block->block_tag != SubClassTag::TAG_GLOBAL) {
int idx = 0;
@@ -3547,6 +3548,8 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
_set_error("Can't use function as identifier: " + String(identifier));
return nullptr;
}
is_local = ident_type == IDENTIFIER_LOCAL_VAR || ident_type == IDENTIFIER_FUNCTION_ARGUMENT;
}
Node *index_expression = nullptr;
@@ -3623,6 +3626,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
arrname->call_expression = call_expression;
arrname->assign_expression = assign_expression;
arrname->is_const = is_const;
arrname->is_local = is_local;
expr = arrname;
} else {
@@ -3631,6 +3635,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
varname->datatype_cache = data_type;
varname->is_const = is_const;
varname->struct_name = struct_name;
varname->is_local = is_local;
expr = varname;
}
}

8
servers/visual/shader_language.h
View File

@@ -357,11 +357,13 @@ public:
virtual DataType get_datatype() const { return datatype_cache; }
virtual String get_datatype_name() const { return String(struct_name); }
bool is_const;
bool is_local;
VariableNode() :
Node(TYPE_VARIABLE),
datatype_cache(TYPE_VOID),
is_const(false) {}
is_const(false),
is_local(false) {}
};
struct VariableDeclarationNode : public Node {
@@ -393,6 +395,7 @@ public:
Node *call_expression;
Node *assign_expression;
bool is_const;
bool is_local;
virtual DataType get_datatype() const { return datatype_cache; }
virtual String get_datatype_name() const { return String(struct_name); }
@@ -403,7 +406,8 @@ public:
index_expression(nullptr),
call_expression(nullptr),
assign_expression(nullptr),
is_const(false) {}
is_const(false),
is_local(false) {}
};
struct ArrayConstructNode : public Node {