// $Id$
//
-// SuperTux - A Jump'n Run
-// Copyright (C) 2004 Matthias Braun <matze@braunis.de
+// SuperTux
+// Copyright (C) 2006 Matthias Braun <matze@braunis.de>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
#ifndef __GLUTIL_HPP__
#define __GLUTIL_HPP__
+#include <config.h>
+
+#ifdef HAVE_OPENGL
+
#include <sstream>
#include <stdexcept>
+
+#ifdef MACOSX
+#include <OpenGL/gl.h>
+#include <OpenGL/glext.h>
+#else
+#ifdef GL_VERSION_ES_CM_1_0
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+#else
#include <GL/gl.h>
-#include <GL/glu.h>
+#include <GL/glext.h>
+#endif
+#endif
-static inline void assert_gl(const char* message)
+static inline void check_gl_error(const char* message)
{
#ifdef DEBUG
GLenum error = glGetError();
if(error != GL_NO_ERROR) {
std::ostringstream msg;
msg << "OpenGLError while '" << message << "': ";
- //<< gluErrorString(error);
+ switch(error) {
+ case GL_INVALID_ENUM:
+ msg << "INVALID_ENUM: An unacceptable value is specified for an "
+ "enumerated argument.";
+ break;
+ case GL_INVALID_VALUE:
+ msg << "INVALID_VALUE: A numeric argument is out of range.";
+ break;
+ case GL_INVALID_OPERATION:
+ msg << "INVALID_OPERATION: The specified operation is not allowed "
+ "in the current state.";
+ break;
+ case GL_STACK_OVERFLOW:
+ msg << "STACK_OVERFLOW: This command would cause a stack overflow.";
+ break;
+ case GL_STACK_UNDERFLOW:
+ msg << "STACK_UNDERFLOW: This command would cause a stack underflow.";
+ break;
+ case GL_OUT_OF_MEMORY:
+ msg << "OUT_OF_MEMORY: There is not enough memory left to execute the "
+ "command.";
+ break;
+#ifdef GL_TABLE_TOO_LARGE
+ case GL_TABLE_TOO_LARGE:
+ msg << "TABLE_TOO_LARGE: table is too large";
+ break;
+#endif
+ default:
+ msg << "Unknown error (code " << error << ")";
+ }
+
throw std::runtime_error(msg.str());
}
+#else
+ (void) message;
#endif
}
+static inline void assert_gl(const char* message)
+{
+#ifdef DEBUG
+ check_gl_error(message);
+#else
+ (void) message;
+#endif
+}
+
+#else
+
+#define GLenum int
+#define GLint int
+#define GL_SRC_ALPHA 0
+#define GL_ONE_MINUS_SRC_ALPHA 1
+#define GL_RGBA 2
+#define GL_ONE 3
+
#endif
+#endif