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authorLaG1924 <12997935+LaG1924@users.noreply.github.com>2017-07-24 16:52:24 +0200
committerLaG1924 <12997935+LaG1924@users.noreply.github.com>2017-07-24 16:52:24 +0200
commit6a00886804c53883d919f008f6ec47a574d86607 (patch)
tree2dbe9fdb0a0d5f068770d49a3c960d36958f27d5 /src/Utility.hpp
parent2017-07-21 (diff)
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Diffstat (limited to 'src/Utility.hpp')
-rw-r--r--src/Utility.hpp59
1 files changed, 59 insertions, 0 deletions
diff --git a/src/Utility.hpp b/src/Utility.hpp
new file mode 100644
index 0000000..11b4ff7
--- /dev/null
+++ b/src/Utility.hpp
@@ -0,0 +1,59 @@
+#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;
+ }
+ static int t = 0;
+ t++;
+ if (t>10)
+ LOG(FATAL);
+ LOG(ERROR) << "OpenGL error: " << error << " at " << file << ":" << line;
+ }
+ return errorCode;
+}
+
+#define glCheckError() glCheckError_(__FILE__, __LINE__) \ No newline at end of file