Merge pull request #44874 from Chaosus/shader_warnings

Basic warning support implementation for the Godot Shading Language.

1 files changed, 83 insertions, 0 deletions

diff --git a/servers/rendering/shader_warnings.h b/servers/rendering/shader_warnings.h
new file mode 100644
index 0000000000..c40aeefa2d
--- /dev/null
+++ b/servers/rendering/shader_warnings.h
@@ -0,0 +1,83 @@
+/*************************************************************************/
+/*  shader_warnings.h                                                    */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2021 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_WARNINGS
+#define SHADER_WARNINGS
+
+#ifdef DEBUG_ENABLED
+
+#include "core/string/string_name.h"
+#include "core/templates/list.h"
+#include "core/templates/map.h"
+
+class ShaderWarning {
+public:
+	enum Code {
+		FLOAT_COMPARISON,
+		UNUSED_CONSTANT,
+		UNUSED_FUNCTION,
+		UNUSED_STRUCT,
+		UNUSED_UNIFORM,
+		UNUSED_VARYING,
+		WARNING_MAX,
+	};
+
+	enum CodeFlags : uint32_t {
+		NONE_FLAG = 0U,
+		FLOAT_COMPARISON_FLAG = 1U,
+		UNUSED_CONSTANT_FLAG = 2U,
+		UNUSED_FUNCTION_FLAG = 4U,
+		UNUSED_STRUCT_FLAG = 8U,
+		UNUSED_UNIFORM_FLAG = 16U,
+		UNUSED_VARYING_FLAG = 32U,
+	};
+
+private:
+	Code code;
+	int line;
+	StringName subject;
+
+public:
+	Code get_code() const;
+	int get_line() const;
+	const StringName &get_subject() const;
+	String get_message() const;
+	String get_name() const;
+
+	static String get_name_from_code(Code p_code);
+	static Code get_code_from_name(const String &p_name);
+	static CodeFlags get_flags_from_codemap(const Map<Code, bool> &p_map);
+
+	ShaderWarning(Code p_code = WARNING_MAX, int p_line = -1, const StringName &p_subject = "");
+};
+
+#endif // DEBUG_ENABLED
+
+#endif // SHADER_WARNINGS