/*
* Copyright (c) 2002-2011 LWJGL Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'LWJGL' nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.lwjgl.opengles;
import org.lwjgl.LWJGLException;
import org.lwjgl.opengl.OpenGLException;
import static org.lwjgl.opengles.EGL.*;
import static org.lwjgl.opengles.GLES20.*;
/**
* Simple utility class.
*
* @author Spasi
*/
public final class Util {
private Util() {
}
/**
* Checks for OpenGL ES errors.
*
* @throws org.lwjgl.opengl.OpenGLException
* if GLES20.glGetError() returns anything else than GLES20.GL_NO_ERROR
*/
public static void checkGLError() throws OpenGLException {
int err = glGetError();
if ( err != GL_NO_ERROR )
throw new OpenGLException(err);
}
/**
* Translates a GL error code to a String describing the error.
*
* @param error_code the OpenGL ES error code
*
* @return the error description
*/
public static String translateGLErrorString(int error_code) {
switch ( error_code ) {
case GL_NO_ERROR:
return "No error";
case GL_INVALID_ENUM:
return "Invalid enum";
case GL_INVALID_VALUE:
return "Invalid value";
case GL_INVALID_OPERATION:
return "Invalid operation";
case GL_OUT_OF_MEMORY:
return "Out of memory";
default:
return null;
}
}
/**
* Checks for EGL errors.
*
* @throws org.lwjgl.LWJGLException if EGL.eglGetError() returns anything else than EGL.EGL_SUCCESS
*/
static void checkEGLError() throws LWJGLException {
int err = eglGetError();
if ( err != EGL_SUCCESS )
throw new LWJGLException(translateEGLErrorString(err));
}
/**
* Translates an EGL error code to a String describing the error.
*
* @param error_code the EGL error code
*
* @return the error description
*/
static String translateEGLErrorString(int error_code) {
switch ( error_code ) {
case EGL_NOT_INITIALIZED:
return "EGL not initialized";
case EGL_BAD_ACCESS:
return "Bad access";
case EGL_BAD_ALLOC:
return "Bad allocation";
case EGL_BAD_ATTRIBUTE:
return "Bad attribute";
case EGL_BAD_CONFIG:
return "Bad config";
case EGL_BAD_CONTEXT:
return "Bad EGL context";
case EGL_BAD_CURRENT_SURFACE:
return "Bad current EGL surface";
case EGL_BAD_DISPLAY:
return "Bad EGL display";
case EGL_BAD_MATCH:
return "Bad match";
case EGL_BAD_NATIVE_PIXMAP:
return "Bad native pixmap";
case EGL_BAD_NATIVE_WINDOW:
return "Bad native window";
case EGL_BAD_PARAMETER:
return "Bad parameter";
case EGL_BAD_SURFACE:
return "Bad EGL surface";
case EGL_CONTEXT_LOST:
return "EGL context lost";
default:
return null;
}
}
}