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diff --git a/servers/visual/shader_language.h b/servers/visual/shader_language.h
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-/*************************************************************************/
-/* shader_language.h */
-/*************************************************************************/
-/* This file is part of: */
-/* GODOT ENGINE */
-/* https://godotengine.org */
-/*************************************************************************/
-/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
-/* */
-/* Permission is hereby granted, free of charge, to any person obtaining */
-/* a copy of this software and associated documentation files (the */
-/* "Software"), to deal in the Software without restriction, including */
-/* without limitation the rights to use, copy, modify, merge, publish, */
-/* distribute, sublicense, and/or sell copies of the Software, and to */
-/* permit persons to whom the Software is furnished to do so, subject to */
-/* the following conditions: */
-/* */
-/* The above copyright notice and this permission notice shall be */
-/* included in all copies or substantial portions of the Software. */
-/* */
-/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
-/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
-/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
-/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
-/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
-/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
-/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
-/*************************************************************************/
-
-#ifndef SHADER_LANGUAGE_H
-#define SHADER_LANGUAGE_H
-
-#include "core/list.h"
-#include "core/map.h"
-#include "core/script_language.h"
-#include "core/string_name.h"
-#include "core/typedefs.h"
-#include "core/ustring.h"
-#include "core/variant.h"
-
-class ShaderLanguage {
-
-public:
- enum TokenType {
- TK_EMPTY,
- TK_IDENTIFIER,
- TK_TRUE,
- TK_FALSE,
- TK_REAL_CONSTANT,
- TK_INT_CONSTANT,
- TK_TYPE_VOID,
- TK_TYPE_BOOL,
- TK_TYPE_BVEC2,
- TK_TYPE_BVEC3,
- TK_TYPE_BVEC4,
- TK_TYPE_INT,
- TK_TYPE_IVEC2,
- TK_TYPE_IVEC3,
- TK_TYPE_IVEC4,
- TK_TYPE_UINT,
- TK_TYPE_UVEC2,
- TK_TYPE_UVEC3,
- TK_TYPE_UVEC4,
- TK_TYPE_FLOAT,
- TK_TYPE_VEC2,
- TK_TYPE_VEC3,
- TK_TYPE_VEC4,
- TK_TYPE_MAT2,
- TK_TYPE_MAT3,
- TK_TYPE_MAT4,
- TK_TYPE_SAMPLER2D,
- TK_TYPE_ISAMPLER2D,
- TK_TYPE_USAMPLER2D,
- TK_TYPE_SAMPLER2DARRAY,
- TK_TYPE_ISAMPLER2DARRAY,
- TK_TYPE_USAMPLER2DARRAY,
- TK_TYPE_SAMPLER3D,
- TK_TYPE_ISAMPLER3D,
- TK_TYPE_USAMPLER3D,
- TK_TYPE_SAMPLERCUBE,
- TK_INTERPOLATION_FLAT,
- TK_INTERPOLATION_SMOOTH,
- TK_CONST,
- TK_STRUCT,
- TK_PRECISION_LOW,
- TK_PRECISION_MID,
- TK_PRECISION_HIGH,
- TK_OP_EQUAL,
- TK_OP_NOT_EQUAL,
- TK_OP_LESS,
- TK_OP_LESS_EQUAL,
- TK_OP_GREATER,
- TK_OP_GREATER_EQUAL,
- TK_OP_AND,
- TK_OP_OR,
- TK_OP_NOT,
- TK_OP_ADD,
- TK_OP_SUB,
- TK_OP_MUL,
- TK_OP_DIV,
- TK_OP_MOD,
- TK_OP_SHIFT_LEFT,
- TK_OP_SHIFT_RIGHT,
- TK_OP_ASSIGN,
- TK_OP_ASSIGN_ADD,
- TK_OP_ASSIGN_SUB,
- TK_OP_ASSIGN_MUL,
- TK_OP_ASSIGN_DIV,
- TK_OP_ASSIGN_MOD,
- TK_OP_ASSIGN_SHIFT_LEFT,
- TK_OP_ASSIGN_SHIFT_RIGHT,
- TK_OP_ASSIGN_BIT_AND,
- TK_OP_ASSIGN_BIT_OR,
- TK_OP_ASSIGN_BIT_XOR,
- TK_OP_BIT_AND,
- TK_OP_BIT_OR,
- TK_OP_BIT_XOR,
- TK_OP_BIT_INVERT,
- TK_OP_INCREMENT,
- TK_OP_DECREMENT,
- TK_CF_IF,
- TK_CF_ELSE,
- TK_CF_FOR,
- TK_CF_WHILE,
- TK_CF_DO,
- TK_CF_SWITCH,
- TK_CF_CASE,
- TK_CF_DEFAULT,
- TK_CF_BREAK,
- TK_CF_CONTINUE,
- TK_CF_RETURN,
- TK_CF_DISCARD,
- TK_BRACKET_OPEN,
- TK_BRACKET_CLOSE,
- TK_CURLY_BRACKET_OPEN,
- TK_CURLY_BRACKET_CLOSE,
- TK_PARENTHESIS_OPEN,
- TK_PARENTHESIS_CLOSE,
- TK_QUESTION,
- TK_COMMA,
- TK_COLON,
- TK_SEMICOLON,
- TK_PERIOD,
- TK_UNIFORM,
- TK_VARYING,
- TK_ARG_IN,
- TK_ARG_OUT,
- TK_ARG_INOUT,
- TK_RENDER_MODE,
- TK_HINT_WHITE_TEXTURE,
- TK_HINT_BLACK_TEXTURE,
- TK_HINT_NORMAL_TEXTURE,
- TK_HINT_ROUGHNESS_NORMAL_TEXTURE,
- TK_HINT_ROUGHNESS_R,
- TK_HINT_ROUGHNESS_G,
- TK_HINT_ROUGHNESS_B,
- TK_HINT_ROUGHNESS_A,
- TK_HINT_ROUGHNESS_GRAY,
- TK_HINT_ANISO_TEXTURE,
- TK_HINT_ALBEDO_TEXTURE,
- TK_HINT_BLACK_ALBEDO_TEXTURE,
- TK_HINT_COLOR,
- TK_HINT_RANGE,
- TK_FILTER_NEAREST,
- TK_FILTER_LINEAR,
- TK_FILTER_NEAREST_MIPMAP,
- TK_FILTER_LINEAR_MIPMAP,
- TK_FILTER_NEAREST_MIPMAP_ANISO,
- TK_FILTER_LINEAR_MIPMAP_ANISO,
- TK_REPEAT_ENABLE,
- TK_REPEAT_DISABLE,
- TK_SHADER_TYPE,
- TK_CURSOR,
- TK_ERROR,
- TK_EOF,
- TK_MAX
- };
-
-/* COMPILER */
-
-// lame work around to Apple defining this as a macro in 10.12 SDK
-#ifdef TYPE_BOOL
-#undef TYPE_BOOL
-#endif
-
- enum DataType {
- TYPE_VOID,
- TYPE_BOOL,
- TYPE_BVEC2,
- TYPE_BVEC3,
- TYPE_BVEC4,
- TYPE_INT,
- TYPE_IVEC2,
- TYPE_IVEC3,
- TYPE_IVEC4,
- TYPE_UINT,
- TYPE_UVEC2,
- TYPE_UVEC3,
- TYPE_UVEC4,
- TYPE_FLOAT,
- TYPE_VEC2,
- TYPE_VEC3,
- TYPE_VEC4,
- TYPE_MAT2,
- TYPE_MAT3,
- TYPE_MAT4,
- TYPE_SAMPLER2D,
- TYPE_ISAMPLER2D,
- TYPE_USAMPLER2D,
- TYPE_SAMPLER2DARRAY,
- TYPE_ISAMPLER2DARRAY,
- TYPE_USAMPLER2DARRAY,
- TYPE_SAMPLER3D,
- TYPE_ISAMPLER3D,
- TYPE_USAMPLER3D,
- TYPE_SAMPLERCUBE,
- TYPE_STRUCT,
- };
-
- enum DataPrecision {
- PRECISION_LOWP,
- PRECISION_MEDIUMP,
- PRECISION_HIGHP,
- PRECISION_DEFAULT,
- };
-
- enum DataInterpolation {
- INTERPOLATION_FLAT,
- INTERPOLATION_SMOOTH,
- };
-
- enum Operator {
- OP_EQUAL,
- OP_NOT_EQUAL,
- OP_LESS,
- OP_LESS_EQUAL,
- OP_GREATER,
- OP_GREATER_EQUAL,
- OP_AND,
- OP_OR,
- OP_NOT,
- OP_NEGATE,
- OP_ADD,
- OP_SUB,
- OP_MUL,
- OP_DIV,
- OP_MOD,
- OP_SHIFT_LEFT,
- OP_SHIFT_RIGHT,
- OP_ASSIGN,
- OP_ASSIGN_ADD,
- OP_ASSIGN_SUB,
- OP_ASSIGN_MUL,
- OP_ASSIGN_DIV,
- OP_ASSIGN_MOD,
- OP_ASSIGN_SHIFT_LEFT,
- OP_ASSIGN_SHIFT_RIGHT,
- OP_ASSIGN_BIT_AND,
- OP_ASSIGN_BIT_OR,
- OP_ASSIGN_BIT_XOR,
- OP_BIT_AND,
- OP_BIT_OR,
- OP_BIT_XOR,
- OP_BIT_INVERT,
- OP_INCREMENT,
- OP_DECREMENT,
- OP_SELECT_IF,
- OP_SELECT_ELSE, //used only internally, then only IF appears with 3 arguments
- OP_POST_INCREMENT,
- OP_POST_DECREMENT,
- OP_CALL,
- OP_CONSTRUCT,
- OP_STRUCT,
- OP_INDEX,
- OP_MAX
- };
-
- enum FlowOperation {
- FLOW_OP_IF,
- FLOW_OP_RETURN,
- FLOW_OP_FOR,
- FLOW_OP_WHILE,
- FLOW_OP_DO,
- FLOW_OP_BREAK,
- FLOW_OP_SWITCH,
- FLOW_OP_CASE,
- FLOW_OP_DEFAULT,
- FLOW_OP_CONTINUE,
- FLOW_OP_DISCARD
- };
-
- enum ArgumentQualifier {
- ARGUMENT_QUALIFIER_IN,
- ARGUMENT_QUALIFIER_OUT,
- ARGUMENT_QUALIFIER_INOUT,
- };
-
- enum SubClassTag {
- TAG_GLOBAL,
- TAG_ARRAY,
- };
-
- enum TextureFilter {
- FILTER_NEAREST,
- FILTER_LINEAR,
- FILTER_NEAREST_MIPMAP,
- FILTER_LINEAR_MIPMAP,
- FILTER_NEAREST_MIPMAP_ANISO,
- FILTER_LINEAR_MIPMAP_ANISO,
- FILTER_DEFAULT,
- };
-
- enum TextureRepeat {
- REPEAT_DISABLE,
- REPEAT_ENABLE,
- REPEAT_DEFAULT,
- };
-
- struct Node {
- Node *next;
-
- enum Type {
- TYPE_SHADER,
- TYPE_FUNCTION,
- TYPE_BLOCK,
- TYPE_VARIABLE,
- TYPE_VARIABLE_DECLARATION,
- TYPE_CONSTANT,
- TYPE_OPERATOR,
- TYPE_CONTROL_FLOW,
- TYPE_MEMBER,
- TYPE_ARRAY,
- TYPE_ARRAY_DECLARATION,
- TYPE_ARRAY_CONSTRUCT,
- TYPE_STRUCT,
- };
-
- Type type;
-
- virtual DataType get_datatype() const { return TYPE_VOID; }
- virtual String get_datatype_name() const { return ""; }
-
- Node(Type t) :
- next(NULL),
- type(t) {}
- virtual ~Node() {}
- };
-
- template <class T>
- T *alloc_node() {
- T *node = memnew(T);
- node->next = nodes;
- nodes = node;
- return node;
- }
-
- Node *nodes;
-
- struct OperatorNode : public Node {
- DataType return_cache;
- DataPrecision return_precision_cache;
- Operator op;
- StringName struct_name;
- Vector<Node *> arguments;
- virtual DataType get_datatype() const { return return_cache; }
- virtual String get_datatype_name() const { return String(struct_name); }
-
- OperatorNode() :
- Node(TYPE_OPERATOR),
- return_cache(TYPE_VOID),
- return_precision_cache(PRECISION_DEFAULT),
- op(OP_EQUAL),
- struct_name("") {}
- };
-
- struct VariableNode : public Node {
- DataType datatype_cache;
- 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;
-
- VariableNode() :
- Node(TYPE_VARIABLE),
- datatype_cache(TYPE_VOID),
- is_const(false) {}
- };
-
- struct VariableDeclarationNode : public Node {
- DataPrecision precision;
- DataType datatype;
- String struct_name;
- bool is_const;
-
- struct Declaration {
- StringName name;
- Node *initializer;
- };
-
- Vector<Declaration> declarations;
- virtual DataType get_datatype() const { return datatype; }
-
- VariableDeclarationNode() :
- Node(TYPE_VARIABLE_DECLARATION),
- precision(PRECISION_DEFAULT),
- datatype(TYPE_VOID),
- is_const(false) {}
- };
-
- struct ArrayNode : public Node {
- DataType datatype_cache;
- StringName struct_name;
- StringName name;
- Node *index_expression;
- Node *call_expression;
- bool is_const;
-
- virtual DataType get_datatype() const { return datatype_cache; }
- virtual String get_datatype_name() const { return String(struct_name); }
-
- ArrayNode() :
- Node(TYPE_ARRAY),
- datatype_cache(TYPE_VOID),
- index_expression(NULL),
- call_expression(NULL),
- is_const(false) {}
- };
-
- struct ArrayConstructNode : public Node {
- DataType datatype;
- String struct_name;
- Vector<Node *> initializer;
-
- ArrayConstructNode() :
- Node(TYPE_ARRAY_CONSTRUCT),
- datatype(TYPE_VOID) {
- }
- };
-
- struct ArrayDeclarationNode : public Node {
- DataPrecision precision;
- DataType datatype;
- String struct_name;
- bool is_const;
-
- struct Declaration {
- StringName name;
- uint32_t size;
- Vector<Node *> initializer;
- };
-
- Vector<Declaration> declarations;
- virtual DataType get_datatype() const { return datatype; }
-
- ArrayDeclarationNode() :
- Node(TYPE_ARRAY_DECLARATION),
- precision(PRECISION_DEFAULT),
- datatype(TYPE_VOID),
- is_const(false) {}
- };
-
- struct ConstantNode : public Node {
- DataType datatype;
-
- union Value {
- bool boolean;
- float real;
- int32_t sint;
- uint32_t uint;
- };
-
- Vector<Value> values;
- virtual DataType get_datatype() const { return datatype; }
-
- ConstantNode() :
- Node(TYPE_CONSTANT),
- datatype(TYPE_VOID) {}
- };
-
- struct FunctionNode;
-
- struct BlockNode : public Node {
- FunctionNode *parent_function;
- BlockNode *parent_block;
-
- enum BlockType {
- BLOCK_TYPE_STANDART,
- BLOCK_TYPE_SWITCH,
- BLOCK_TYPE_CASE,
- BLOCK_TYPE_DEFAULT,
- };
-
- int block_type;
- SubClassTag block_tag;
-
- struct Variable {
- DataType type;
- StringName struct_name;
- DataPrecision precision;
- int line; //for completion
- int array_size;
- bool is_const;
- };
-
- Map<StringName, Variable> variables;
- List<Node *> statements;
- bool single_statement;
-
- BlockNode() :
- Node(TYPE_BLOCK),
- parent_function(NULL),
- parent_block(NULL),
- block_type(BLOCK_TYPE_STANDART),
- block_tag(SubClassTag::TAG_GLOBAL),
- single_statement(false) {}
- };
-
- struct ControlFlowNode : public Node {
- FlowOperation flow_op;
- Vector<Node *> expressions;
- Vector<BlockNode *> blocks;
-
- ControlFlowNode() :
- Node(TYPE_CONTROL_FLOW),
- flow_op(FLOW_OP_IF) {}
- };
-
- struct MemberNode : public Node {
- DataType basetype;
- bool basetype_const;
- StringName base_struct_name;
- DataPrecision precision;
- DataType datatype;
- int array_size;
- StringName struct_name;
- StringName name;
- Node *owner;
- Node *index_expression;
- bool has_swizzling_duplicates;
-
- virtual DataType get_datatype() const { return datatype; }
- virtual String get_datatype_name() const { return String(struct_name); }
-
- MemberNode() :
- Node(TYPE_MEMBER),
- basetype(TYPE_VOID),
- basetype_const(false),
- datatype(TYPE_VOID),
- array_size(0),
- owner(NULL),
- index_expression(NULL),
- has_swizzling_duplicates(false) {}
- };
-
- struct StructNode : public Node {
-
- List<MemberNode *> members;
- StructNode() :
- Node(TYPE_STRUCT) {}
- };
-
- struct FunctionNode : public Node {
-
- struct Argument {
- ArgumentQualifier qualifier;
- StringName name;
- DataType type;
- StringName type_str;
- DataPrecision precision;
- //for passing textures as arguments
- bool tex_argument_check;
- TextureFilter tex_argument_filter;
- TextureRepeat tex_argument_repeat;
- bool tex_builtin_check;
- StringName tex_builtin;
-
- Map<StringName, Set<int>> tex_argument_connect;
- };
-
- StringName name;
- DataType return_type;
- StringName return_struct_name;
- DataPrecision return_precision;
- Vector<Argument> arguments;
- BlockNode *body;
- bool can_discard;
-
- FunctionNode() :
- Node(TYPE_FUNCTION),
- return_type(TYPE_VOID),
- return_precision(PRECISION_DEFAULT),
- body(NULL),
- can_discard(false) {}
- };
-
- struct ShaderNode : public Node {
-
- struct Constant {
- DataType type;
- StringName type_str;
- DataPrecision precision;
- ConstantNode *initializer;
- };
-
- struct Function {
- StringName name;
- FunctionNode *function;
- Set<StringName> uses_function;
- bool callable;
- };
-
- struct Struct {
- StringName name;
- StructNode *shader_struct;
- };
-
- struct Varying {
- DataType type;
- DataInterpolation interpolation;
- DataPrecision precision;
- int array_size;
-
- Varying() :
- type(TYPE_VOID),
- interpolation(INTERPOLATION_FLAT),
- precision(PRECISION_DEFAULT),
- array_size(0) {}
- };
-
- struct Uniform {
- enum Hint {
- HINT_NONE,
- HINT_COLOR,
- HINT_RANGE,
- HINT_ALBEDO,
- HINT_BLACK_ALBEDO,
- HINT_NORMAL,
- HINT_ROUGHNESS_NORMAL,
- HINT_ROUGHNESS_R,
- HINT_ROUGHNESS_G,
- HINT_ROUGHNESS_B,
- HINT_ROUGHNESS_A,
- HINT_ROUGHNESS_GRAY,
- HINT_BLACK,
- HINT_WHITE,
- HINT_ANISO,
- HINT_MAX
- };
-
- int order;
- int texture_order;
- DataType type;
- DataPrecision precision;
- Vector<ConstantNode::Value> default_value;
- Hint hint;
- TextureFilter filter;
- TextureRepeat repeat;
- float hint_range[3];
-
- Uniform() :
- order(0),
- texture_order(0),
- type(TYPE_VOID),
- precision(PRECISION_DEFAULT),
- hint(HINT_NONE),
- filter(FILTER_DEFAULT),
- repeat(REPEAT_DEFAULT) {
- hint_range[0] = 0.0f;
- hint_range[1] = 1.0f;
- hint_range[2] = 0.001f;
- }
- };
-
- Map<StringName, Constant> constants;
- Map<StringName, Varying> varyings;
- Map<StringName, Uniform> uniforms;
- Map<StringName, Struct> structs;
- Vector<StringName> render_modes;
-
- Vector<Function> functions;
- Vector<Struct> vstructs;
-
- ShaderNode() :
- Node(TYPE_SHADER) {}
- };
-
- struct Expression {
- bool is_op;
- union {
- Operator op;
- Node *node;
- };
- };
-
- struct VarInfo {
- StringName name;
- DataType type;
- };
-
- enum CompletionType {
- COMPLETION_NONE,
- COMPLETION_RENDER_MODE,
- COMPLETION_MAIN_FUNCTION,
- COMPLETION_IDENTIFIER,
- COMPLETION_FUNCTION_CALL,
- COMPLETION_CALL_ARGUMENTS,
- COMPLETION_INDEX,
- COMPLETION_STRUCT,
- };
-
- struct Token {
- TokenType type;
- StringName text;
- double constant;
- uint16_t line;
- };
-
- static String get_operator_text(Operator p_op);
- static String get_token_text(Token p_token);
-
- static bool is_token_datatype(TokenType p_type);
- static bool is_token_variable_datatype(TokenType p_type);
- static DataType get_token_datatype(TokenType p_type);
- static bool is_token_interpolation(TokenType p_type);
- static DataInterpolation get_token_interpolation(TokenType p_type);
- static bool is_token_precision(TokenType p_type);
- static DataPrecision get_token_precision(TokenType p_type);
- static String get_precision_name(DataPrecision p_type);
- static String get_datatype_name(DataType p_type);
- static bool is_token_nonvoid_datatype(TokenType p_type);
- static bool is_token_operator(TokenType p_type);
-
- static bool convert_constant(ConstantNode *p_constant, DataType p_to_type, ConstantNode::Value *p_value = NULL);
- static DataType get_scalar_type(DataType p_type);
- static int get_cardinality(DataType p_type);
- static bool is_scalar_type(DataType p_type);
- static bool is_sampler_type(DataType p_type);
- static Variant constant_value_to_variant(const Vector<ShaderLanguage::ConstantNode::Value> &p_value, DataType p_type, ShaderLanguage::ShaderNode::Uniform::Hint p_hint = ShaderLanguage::ShaderNode::Uniform::HINT_NONE);
- static PropertyInfo uniform_to_property_info(const ShaderNode::Uniform &p_uniform);
- static uint32_t get_type_size(DataType p_type);
-
- static void get_keyword_list(List<String> *r_keywords);
- static void get_builtin_funcs(List<String> *r_keywords);
-
- struct BuiltInInfo {
- DataType type;
- bool constant;
-
- BuiltInInfo() :
- type(TYPE_VOID),
- constant(false) {}
-
- BuiltInInfo(DataType p_type, bool p_constant = false) :
- type(p_type),
- constant(p_constant) {}
- };
-
- struct FunctionInfo {
- Map<StringName, BuiltInInfo> built_ins;
- bool can_discard;
- };
- static bool has_builtin(const Map<StringName, ShaderLanguage::FunctionInfo> &p_functions, const StringName &p_name);
-
-private:
- struct KeyWord {
- TokenType token;
- const char *text;
- };
-
- static const KeyWord keyword_list[];
-
- bool error_set;
- String error_str;
- int error_line;
-
- String code;
- int char_idx;
- int tk_line;
-
- StringName current_function;
-
- struct TkPos {
- int char_idx;
- int tk_line;
- };
-
- TkPos _get_tkpos() {
- TkPos tkp;
- tkp.char_idx = char_idx;
- tkp.tk_line = tk_line;
- return tkp;
- }
-
- void _set_tkpos(TkPos p_pos) {
- char_idx = p_pos.char_idx;
- tk_line = p_pos.tk_line;
- }
-
- void _set_error(const String &p_str) {
- if (error_set)
- return;
-
- error_line = tk_line;
- error_set = true;
- error_str = p_str;
- }
-
- static const char *token_names[TK_MAX];
-
- Token _make_token(TokenType p_type, const StringName &p_text = StringName());
- Token _get_token();
-
- ShaderNode *shader;
-
- enum IdentifierType {
- IDENTIFIER_FUNCTION,
- IDENTIFIER_UNIFORM,
- IDENTIFIER_VARYING,
- IDENTIFIER_FUNCTION_ARGUMENT,
- IDENTIFIER_LOCAL_VAR,
- IDENTIFIER_BUILTIN_VAR,
- IDENTIFIER_CONSTANT,
- };
-
- bool _find_identifier(const BlockNode *p_block, bool p_allow_reassign, const Map<StringName, BuiltInInfo> &p_builtin_types, const StringName &p_identifier, DataType *r_data_type = NULL, IdentifierType *r_type = NULL, bool *r_is_const = NULL, int *r_array_size = NULL, StringName *r_struct_name = NULL);
- bool _is_operator_assign(Operator p_op) const;
- bool _validate_assign(Node *p_node, const Map<StringName, BuiltInInfo> &p_builtin_types, String *r_message = NULL);
- bool _validate_operator(OperatorNode *p_op, DataType *r_ret_type = NULL);
-
- struct BuiltinFuncDef {
- enum { MAX_ARGS = 5 };
- const char *name;
- DataType rettype;
- const DataType args[MAX_ARGS];
- SubClassTag tag;
- bool high_end;
- };
-
- struct BuiltinFuncOutArgs { //arguments used as out in built in functions
- const char *name;
- int argument;
- };
-
- CompletionType completion_type;
- int completion_line;
- BlockNode *completion_block;
- DataType completion_base;
- SubClassTag completion_class;
- StringName completion_function;
- StringName completion_struct;
- int completion_argument;
-
- bool _get_completable_identifier(BlockNode *p_block, CompletionType p_type, StringName &identifier);
- static const BuiltinFuncDef builtin_func_defs[];
- static const BuiltinFuncOutArgs builtin_func_out_args[];
-
- Error _validate_datatype(DataType p_type);
- bool _compare_datatypes_in_nodes(Node *a, Node *b) const;
-
- bool _validate_function_call(BlockNode *p_block, const Map<StringName, BuiltInInfo> &p_builtin_types, OperatorNode *p_func, DataType *r_ret_type, StringName *r_ret_type_str);
- bool _parse_function_arguments(BlockNode *p_block, const Map<StringName, BuiltInInfo> &p_builtin_types, OperatorNode *p_func, int *r_complete_arg = NULL);
- bool _propagate_function_call_sampler_uniform_settings(StringName p_name, int p_argument, TextureFilter p_filter, TextureRepeat p_repeat);
- bool _propagate_function_call_sampler_builtin_reference(StringName p_name, int p_argument, const StringName &p_builtin);
-
- Node *_parse_expression(BlockNode *p_block, const Map<StringName, BuiltInInfo> &p_builtin_types);
- ShaderLanguage::Node *_reduce_expression(BlockNode *p_block, ShaderLanguage::Node *p_node);
-
- Node *_parse_and_reduce_expression(BlockNode *p_block, const Map<StringName, BuiltInInfo> &p_builtin_types);
- Error _parse_block(BlockNode *p_block, const Map<StringName, BuiltInInfo> &p_builtin_types, bool p_just_one = false, bool p_can_break = false, bool p_can_continue = false);
- String _get_shader_type_list(const Set<String> &p_shader_types) const;
- String _get_qualifier_str(ArgumentQualifier p_qualifier) const;
-
- Error _parse_shader(const Map<StringName, FunctionInfo> &p_functions, const Vector<StringName> &p_render_modes, const Set<String> &p_shader_types);
-
- Error _find_last_flow_op_in_block(BlockNode *p_block, FlowOperation p_op);
- Error _find_last_flow_op_in_op(ControlFlowNode *p_flow, FlowOperation p_op);
-
-public:
- //static void get_keyword_list(ShaderType p_type,List<String> *p_keywords);
-
- void clear();
-
- static String get_shader_type(const String &p_code);
- Error compile(const String &p_code, const Map<StringName, FunctionInfo> &p_functions, const Vector<StringName> &p_render_modes, const Set<String> &p_shader_types);
- Error complete(const String &p_code, const Map<StringName, FunctionInfo> &p_functions, const Vector<StringName> &p_render_modes, const Set<String> &p_shader_types, List<ScriptCodeCompletionOption> *r_options, String &r_call_hint);
-
- String get_error_text();
- int get_error_line();
-
- ShaderNode *get_shader();
-
- String token_debug(const String &p_code);
-
- ShaderLanguage();
- ~ShaderLanguage();
-};
-
-#endif // SHADER_LANGUAGE_H
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-05 20:19:40 +0000