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CheckError.h
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//////////////////////////////////////////////////////////////////////////////
//
// --- CheckError.h ---
//
//////////////////////////////////////////////////////////////////////////////
#ifndef __CHECKERROR_H__
#define __CHECKERROR_H__
#include <stdio.h>
#include <GL/gl.h>
//----------------------------------------------------------------------------
static const char*
ErrorString(GLenum error)
{
const char* msg;
switch (error) {
#define Case( Token ) case Token: msg = #Token; break;
Case(GL_NO_ERROR);
Case(GL_INVALID_VALUE);
Case(GL_INVALID_ENUM);
Case(GL_INVALID_OPERATION);
Case(GL_STACK_OVERFLOW);
Case(GL_STACK_UNDERFLOW);
Case(GL_OUT_OF_MEMORY);
#undef Case
}
return msg;
}
//----------------------------------------------------------------------------
static void
_CheckError(const char* file, int line)
{
GLenum error = glGetError();
do {
fprintf(stderr, "[%s:%d] %s\n", file, line, ErrorString(error));
} while ((error = glGetError()) != GL_NO_ERROR);
}
//----------------------------------------------------------------------------
#define CheckError() _CheckError( __FILE__, __LINE__ )
//----------------------------------------------------------------------------
#endif // !__CHECKERROR_H__