GODOT IS OPEN SOURCE

1 files changed, 142 insertions, 0 deletions

diff --git a/servers/visual/shader_compiler.h b/servers/visual/shader_compiler.h
new file mode 100644
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+/*************************************************************************/
+/*  shader_compiler.h                                                    */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                 */
+/*                                                                       */
+/* 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_COMPILER_H
+#define SHADER_COMPILER_H
+
+#include "map.h"
+#include "list.h"
+#include "vector.h"
+#if 0
+class ShaderSyntax {
+public:
+
+
+	enum DataType {
+		TYPE_BOOL,
+		TYPE_FLOAT,
+		TYPE_VEC3,
+		TYPE_TRANSFORM,
+		TYPE_TEXTURE
+	};
+
+	enum Operator {
+		OP_ASSIGN,
+		OP_ADD,
+		OP_SUB,
+		OP_MUL,
+		OP_DIV,
+		OP_NEG,
+		OP_CMP_EQ,
+		OP_CMP_NEQ,
+		OP_CMP_LEQ,
+		OP_CMP_GEQ,
+		OP_CMP_OR,
+		OP_CMP_AND,
+		OP_CALL
+	};
+
+	struct Node {
+
+		enum Type {
+			TYPE_PROGRAM,
+			TYPE_FUNCTION,
+			TYPE_BLOCK,
+			TYPE_VARIABLE,
+			TYPE_OPERATOR,
+			TYPE_IF,
+		};
+
+		Node * parent;
+		Type type;
+
+		virtual ~Node() {}
+	};
+
+
+	struct OperatorNode : public Node {
+
+		Operator op;
+		Vector<Node*> arguments;
+		OperatorNode() { type=TYPE_OPERATOR; }
+	};
+
+	struct VariableNode : public Node {
+
+		StringName variable;
+		VariableNode() { type=TYPE_VARIABLE; }
+	};
+
+	struct BlockNode : public Node {
+
+		Map<StringName,DataType> variables;
+		List<Node*> subnodes;
+		BlockNode() { type=TYPE_BLOCK; }
+	};
+
+	struct ConditionalNode : public Node {
+
+		Node *test;
+		Node *do_if;
+		Node *do_else;
+		ConditionalNode() { type=TYPE_CONDITIONAL; }
+	};
+
+
+	struct FunctionNode : public Node {
+
+		struct Argument {
+
+			StringName name;
+			DataType type;
+		};
+
+		Vector<Argument> arguments;
+		Node *body;
+
+		FunctionNode() { type=TYPE_FUNCTION; }
+
+	};
+
+
+	struct ProgramNode : public Node {
+
+		Vector<FunctionNode*> functions;
+		Node *body;
+
+		ProgramNode() { type=TYPE_PROGRAM; }
+	};
+
+
+
+
+	ShaderCompiler();
+};
+
+#endif // SHADER_COMPILER_H
+#endif