From f942405184c2d6067fb5303b58a225edf7e452b1 Mon Sep 17 00:00:00 2001
From: LaG1924 <12997935+LaG1924@users.noreply.github.com>
Date: Sat, 29 Jul 2017 19:55:16 +0500
Subject: 2017-07-29

---
 include/Utility.hpp | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 include/Utility.hpp

(limited to 'include/Utility.hpp')

diff --git a/include/Utility.hpp b/include/Utility.hpp
new file mode 100644
index 0000000..92e924f
--- /dev/null
+++ b/include/Utility.hpp
@@ -0,0 +1,55 @@
+#pragma once
+
+#include <algorithm>
+
+#include <GL/glew.h>
+
+template<class T>
+void endswap(T *objp) {
+	unsigned char *memp = reinterpret_cast<unsigned char *>(objp);
+	std::reverse(memp, memp + sizeof(T));
+}
+
+template<class T>
+void endswap(T &obj) {
+	unsigned char *raw = reinterpret_cast<unsigned char *>(&obj);
+	std::reverse(raw, raw + sizeof(T));
+}
+
+inline void endswap(unsigned char *arr, size_t arrLen) {
+	std::reverse(arr, arr + arrLen);
+}
+
+inline GLenum glCheckError_(const char *file, int line) {
+	GLenum errorCode;
+	while ((errorCode = glGetError()) != GL_NO_ERROR) {
+		std::string error;
+		switch (errorCode) {
+			case GL_INVALID_ENUM:
+				error = "INVALID_ENUM";
+				break;
+			case GL_INVALID_VALUE:
+				error = "INVALID_VALUE";
+				break;
+			case GL_INVALID_OPERATION:
+				error = "INVALID_OPERATION";
+				break;
+			case GL_STACK_OVERFLOW:
+				error = "STACK_OVERFLOW";
+				break;
+			case GL_STACK_UNDERFLOW:
+				error = "STACK_UNDERFLOW";
+				break;
+			case GL_OUT_OF_MEMORY:
+				error = "OUT_OF_MEMORY";
+				break;
+			case GL_INVALID_FRAMEBUFFER_OPERATION:
+				error = "INVALID_FRAMEBUFFER_OPERATION";
+				break;
+		}
+		LOG(ERROR) << "OpenGL error: " << error << " at " << file << ":" << line;
+	}
+	return errorCode;
+}
+
+#define glCheckError() glCheckError_(__FILE__, __LINE__)
\ No newline at end of file
-- 
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