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// Copyright 2008 Nanorex, Inc. See LICENSE file for details.
/// \file guarded_gl_ops.h
/// \brief Wraps OpenGL calls in asserts to trap errors
// NOTE: include after GL.h
#ifndef GUARDED_GL_OPS_H
#define GUARDED_GL_OPS_H
#include <cassert>
#include <sstream>
#ifdef NX_DEBUG
#define GUARDED_GL_OP(op) { \
assert(glGetError() == GL_NO_ERROR); \
op; \
assert(glGetError() == GL_NO_ERROR); \
}
#else
#define GUARDED_GL_OP(op) op;
#endif
/// 'op' is an OpenGL statement,
/// 'err' is a variable of type GLenum
/// 'errMsgStream' is a variable of type std::ostream or derived
#ifdef NX_DEBUG
#define GUARDED_GL_OP_WITH_GLERROR(op,err,errMsgStream) \
err = glGetError(); \
assert(err == GL_NO_ERROR); \
op; \
err = GLERROR(errMsgStream);
#else
#define GUARDED_GL_OP_WITH_GLERROR(op,err,errMsgStream) \
op; \
err = GLERROR(errMsgStream);
#endif
#endif// GUARDED_GL_OPS_H
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