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Merge pull request #48933 from Chaosus/shader_array_params

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Allow shader arrays to be passed as parameters and return value in functions
This commit is contained in:
Rémi Verschelde 2021-05-25 11:47:08 +02:00 committed by GitHub
commit f050719da8
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 942 additions and 425 deletions
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27
servers/rendering/renderer_rd/shader_compiler_rd.cpp
View File

@ -391,10 +391,21 @@ void ShaderCompilerRD::_dump_function_deps(const SL::ShaderNode *p_node, const S
String header;
if (fnode->return_type == SL::TYPE_STRUCT) {
header = _mkid(fnode->return_struct_name) + " " + _mkid(fnode->name) + "(";
header = _mkid(fnode->return_struct_name);
} else {
header = _typestr(fnode->return_type) + " " + _mkid(fnode->name) + "(";
header = _typestr(fnode->return_type);
}
if (fnode->return_array_size > 0) {
header += "[";
header += itos(fnode->return_array_size);
header += "]";
}
header += " ";
header += _mkid(fnode->name);
header += "(";
for (int i = 0; i < fnode->arguments.size(); i++) {
if (i > 0) {
header += ", ";
@ -407,6 +418,11 @@ void ShaderCompilerRD::_dump_function_deps(const SL::ShaderNode *p_node, const S
} else {
header += _qualstr(fnode->arguments[i].qualifier) + _prestr(fnode->arguments[i].precision) + _typestr(fnode->arguments[i].type) + " " + _mkid(fnode->arguments[i].name);
}
if (fnode->arguments[i].array_size > 0) {
header += "[";
header += itos(fnode->arguments[i].array_size);
header += "]";
}
}
header += ")\n";
@ -959,6 +975,10 @@ String ShaderCompilerRD::_dump_node_code(const SL::Node *p_node, int p_level, Ge
declaration += itos(adnode->declarations[i].size);
}
declaration += "]";
if (adnode->declarations[i].single_expression) {
declaration += "=";
declaration += _dump_node_code(adnode->declarations[i].initializer[0], p_level, r_gen_code, p_actions, p_default_actions, p_assigning);
} else {
int sz = adnode->declarations[i].initializer.size();
if (sz > 0) {
declaration += "=";
@ -980,6 +1000,7 @@ String ShaderCompilerRD::_dump_node_code(const SL::Node *p_node, int p_level, Ge
declaration += ")";
}
}
}
code += declaration;
} break;
@ -988,7 +1009,7 @@ String ShaderCompilerRD::_dump_node_code(const SL::Node *p_node, int p_level, Ge
bool use_fragment_varying = false;
if (!(p_actions.entry_point_stages.has(current_func_name) && p_actions.entry_point_stages[current_func_name] == STAGE_VERTEX)) {
if (anode->assign_expression != nullptr) {
if (anode->assign_expression != nullptr && shader->varyings.has(anode->name)) {
use_fragment_varying = true;
} else {
if (p_assigning) {

599
servers/rendering/shader_language.cpp
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File diff suppressed because it is too large Load Diff

61
servers/rendering/shader_language.h
View File

@ -369,6 +369,8 @@ public:
virtual DataType get_datatype() const { return TYPE_VOID; }
virtual String get_datatype_name() const { return ""; }
virtual int get_array_size() const { return 0; }
virtual bool is_indexed() const { return false; }
Node(Type t) :
type(t) {}
@ -388,11 +390,15 @@ public:
struct OperatorNode : public Node {
DataType return_cache = TYPE_VOID;
DataPrecision return_precision_cache = PRECISION_DEFAULT;
int return_array_size = 0;
Operator op = OP_EQUAL;
StringName struct_name;
Vector<Node *> arguments;
virtual DataType get_datatype() const { return return_cache; }
virtual String get_datatype_name() const { return String(struct_name); }
virtual DataType get_datatype() const override { return return_cache; }
virtual String get_datatype_name() const override { return String(struct_name); }
virtual int get_array_size() const override { return return_array_size; }
virtual bool is_indexed() const override { return op == OP_INDEX; }
OperatorNode() :
Node(TYPE_OPERATOR) {}
@ -402,10 +408,11 @@ public:
DataType datatype_cache = TYPE_VOID;
StringName name;
StringName struct_name;
virtual DataType get_datatype() const { return datatype_cache; }
virtual String get_datatype_name() const { return String(struct_name); }
bool is_const = false;
virtual DataType get_datatype() const override { return datatype_cache; }
virtual String get_datatype_name() const override { return String(struct_name); }
VariableNode() :
Node(TYPE_VARIABLE) {}
};
@ -420,9 +427,9 @@ public:
StringName name;
Node *initializer;
};
Vector<Declaration> declarations;
virtual DataType get_datatype() const { return datatype; }
virtual DataType get_datatype() const override { return datatype; }
VariableDeclarationNode() :
Node(TYPE_VARIABLE_DECLARATION) {}
@ -436,9 +443,12 @@ public:
Node *call_expression = nullptr;
Node *assign_expression = nullptr;
bool is_const = false;
int array_size = 0;
virtual DataType get_datatype() const { return datatype_cache; }
virtual String get_datatype_name() const { return String(struct_name); }
virtual DataType get_datatype() const override { return datatype_cache; }
virtual String get_datatype_name() const override { return String(struct_name); }
virtual int get_array_size() const override { return array_size; }
virtual bool is_indexed() const override { return index_expression != nullptr; }
ArrayNode() :
Node(TYPE_ARRAY) {}
@ -449,6 +459,10 @@ public:
String struct_name;
Vector<Node *> initializer;
virtual DataType get_datatype() const override { return datatype; }
virtual String get_datatype_name() const override { return struct_name; }
virtual int get_array_size() const override { return initializer.size(); }
ArrayConstructNode() :
Node(TYPE_ARRAY_CONSTRUCT) {}
};
@ -464,10 +478,11 @@ public:
StringName name;
uint32_t size;
Vector<Node *> initializer;
bool single_expression;
};
Vector<Declaration> declarations;
virtual DataType get_datatype() const { return datatype; }
virtual DataType get_datatype() const override { return datatype; }
ArrayDeclarationNode() :
Node(TYPE_ARRAY_DECLARATION) {}
@ -487,8 +502,10 @@ public:
Vector<Value> values;
Vector<ArrayDeclarationNode::Declaration> array_declarations;
virtual DataType get_datatype() const { return datatype; }
virtual String get_datatype_name() const { return struct_name; }
virtual DataType get_datatype() const override { return datatype; }
virtual String get_datatype_name() const override { return struct_name; }
virtual int get_array_size() const override { return array_size; }
ConstantNode() :
Node(TYPE_CONSTANT) {}
@ -553,8 +570,10 @@ public:
Node *call_expression = nullptr;
bool has_swizzling_duplicates = false;
virtual DataType get_datatype() const { return datatype; }
virtual String get_datatype_name() const { return String(struct_name); }
virtual DataType get_datatype() const override { return datatype; }
virtual String get_datatype_name() const override { return String(struct_name); }
virtual int get_array_size() const override { return array_size; }
virtual bool is_indexed() const override { return index_expression != nullptr || call_expression != nullptr; }
MemberNode() :
Node(TYPE_MEMBER) {}
@ -580,6 +599,7 @@ public:
bool tex_builtin_check;
StringName tex_builtin;
bool is_const;
int array_size;
Map<StringName, Set<int>> tex_argument_connect;
};
@ -588,10 +608,15 @@ public:
DataType return_type = TYPE_VOID;
StringName return_struct_name;
DataPrecision return_precision = PRECISION_DEFAULT;
int return_array_size = 0;
Vector<Argument> arguments;
BlockNode *body = nullptr;
bool can_discard = false;
virtual DataType get_datatype() const override { return return_type; }
virtual String get_datatype_name() const override { return String(return_struct_name); }
virtual int get_array_size() const override { return return_array_size; }
FunctionNode() :
Node(TYPE_FUNCTION) {}
};
@ -842,6 +867,8 @@ private:
int tk_line;
StringName current_function;
bool last_const = false;
bool pass_array = false;
StringName last_name;
VaryingFunctionNames varying_function_names;
@ -894,7 +921,7 @@ private:
#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);
bool _validate_operator(OperatorNode *p_op, DataType *r_ret_type = nullptr);
bool _validate_operator(OperatorNode *p_op, DataType *r_ret_type = nullptr, int *r_ret_size = nullptr);
struct BuiltinFuncDef {
enum { MAX_ARGS = 5 };
@ -925,7 +952,8 @@ private:
static const BuiltinFuncOutArgs builtin_func_out_args[];
Error _validate_datatype(DataType p_type);
bool _compare_datatypes_in_nodes(Node *a, Node *b) const;
bool _compare_datatypes(DataType p_datatype_a, String p_datatype_name_a, int p_array_size_a, DataType p_datatype_b, String p_datatype_name_b, int p_array_size_b);
bool _compare_datatypes_in_nodes(Node *a, Node *b);
bool _validate_function_call(BlockNode *p_block, const FunctionInfo &p_function_info, OperatorNode *p_func, DataType *r_ret_type, StringName *r_ret_type_str);
bool _parse_function_arguments(BlockNode *p_block, const FunctionInfo &p_function_info, OperatorNode *p_func, int *r_complete_arg = nullptr);
@ -936,6 +964,7 @@ private:
bool _check_node_constness(const Node *p_node) const;
Node *_parse_expression(BlockNode *p_block, const FunctionInfo &p_function_info);
Node *_parse_array_constructor(BlockNode *p_block, const FunctionInfo &p_function_info);
Node *_parse_array_constructor(BlockNode *p_block, const FunctionInfo &p_function_info, DataType p_type, const StringName &p_struct_name, int p_array_size);
ShaderLanguage::Node *_reduce_expression(BlockNode *p_block, ShaderLanguage::Node *p_node);