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/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.replica.replicaisland;
import javax.microedition.khronos.opengles.GL10;
import javax.microedition.khronos.opengles.GL11;
import javax.microedition.khronos.opengles.GL11Ext;
/**
* An object wrapper for a pointer to the OpenGL context. Note that the context is only valid
* in certain threads at certain times (namely, in the Rendering thread during draw time), and at
* other times getGL() will return null.
*/
public class OpenGLSystem extends BaseObject {
private static GL10 sGL;
private static int sLastBoundTexture;
private static int sLastSetCropSignature;
public OpenGLSystem() {
super();
sGL = null;
}
public OpenGLSystem(GL10 gl) {
sGL = gl;
}
public static final void setGL(GL10 gl) {
sGL = gl;
sLastBoundTexture = 0;
sLastSetCropSignature = 0;
}
public static final GL10 getGL() {
return sGL;
}
public static final void bindTexture(int target, int texture) {
if (sLastBoundTexture != texture) {
sGL.glBindTexture(target, texture);
sLastBoundTexture = texture;
sLastSetCropSignature = 0;
}
}
public static final void setTextureCrop(int[] crop) {
int cropSignature = 0;
cropSignature = (crop[0] + crop[1]) << 16;
cropSignature |= crop[2] + crop[3];
if (cropSignature != sLastSetCropSignature) {
((GL11) sGL).glTexParameteriv(GL10.GL_TEXTURE_2D, GL11Ext.GL_TEXTURE_CROP_RECT_OES,
crop, 0);
sLastSetCropSignature = cropSignature;
}
}
@Override
public void reset() {
}
}
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