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/*
* Copyright (C) 2006 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.google.android.gles_jni;
import javax.microedition.khronos.egl.*;
import android.graphics.SurfaceTexture;
import android.view.Surface;
import android.view.SurfaceView;
import android.view.SurfaceHolder;
public class EGLImpl implements EGL10 {
private EGLContextImpl mContext = new EGLContextImpl(-1);
private EGLDisplayImpl mDisplay = new EGLDisplayImpl(-1);
private EGLSurfaceImpl mSurface = new EGLSurfaceImpl(-1);
public native boolean eglInitialize(EGLDisplay display, int[] major_minor);
public native boolean eglQueryContext(EGLDisplay display, EGLContext context, int attribute, int[] value);
public native boolean eglQuerySurface(EGLDisplay display, EGLSurface surface, int attribute, int[] value);
public native boolean eglChooseConfig(EGLDisplay display, int[] attrib_list, EGLConfig[] configs, int config_size, int[] num_config);
public native boolean eglGetConfigAttrib(EGLDisplay display, EGLConfig config, int attribute, int[] value);
public native boolean eglGetConfigs(EGLDisplay display, EGLConfig[] configs, int config_size, int[] num_config);
public native int eglGetError();
public native boolean eglDestroyContext(EGLDisplay display, EGLContext context);
public native boolean eglDestroySurface(EGLDisplay display, EGLSurface surface);
public native boolean eglMakeCurrent(EGLDisplay display, EGLSurface draw, EGLSurface read, EGLContext context);
public native String eglQueryString(EGLDisplay display, int name);
public native boolean eglSwapBuffers(EGLDisplay display, EGLSurface surface);
public native boolean eglTerminate(EGLDisplay display);
public native boolean eglCopyBuffers(EGLDisplay display, EGLSurface surface, Object native_pixmap);
public native boolean eglWaitGL();
public native boolean eglWaitNative(int engine, Object bindTarget);
public EGLContext eglCreateContext(EGLDisplay display, EGLConfig config, EGLContext share_context, int[] attrib_list) {
int eglContextId = _eglCreateContext(display, config, share_context, attrib_list);
if (eglContextId == 0) {
return EGL10.EGL_NO_CONTEXT;
}
return new EGLContextImpl( eglContextId );
}
public EGLSurface eglCreatePbufferSurface(EGLDisplay display, EGLConfig config, int[] attrib_list) {
int eglSurfaceId = _eglCreatePbufferSurface(display, config, attrib_list);
if (eglSurfaceId == 0) {
return EGL10.EGL_NO_SURFACE;
}
return new EGLSurfaceImpl( eglSurfaceId );
}
public EGLSurface eglCreatePixmapSurface(EGLDisplay display, EGLConfig config, Object native_pixmap, int[] attrib_list) {
EGLSurfaceImpl sur = new EGLSurfaceImpl();
_eglCreatePixmapSurface(sur, display, config, native_pixmap, attrib_list);
if (sur.mEGLSurface == 0) {
return EGL10.EGL_NO_SURFACE;
}
return sur;
}
public EGLSurface eglCreateWindowSurface(EGLDisplay display, EGLConfig config, Object native_window, int[] attrib_list) {
Surface sur = null;
if (native_window instanceof SurfaceView) {
SurfaceView surfaceView = (SurfaceView)native_window;
sur = surfaceView.getHolder().getSurface();
} else if (native_window instanceof SurfaceHolder) {
SurfaceHolder holder = (SurfaceHolder)native_window;
sur = holder.getSurface();
}
int eglSurfaceId;
if (sur != null) {
eglSurfaceId = _eglCreateWindowSurface(display, config, sur, attrib_list);
} else if (native_window instanceof SurfaceTexture) {
eglSurfaceId = _eglCreateWindowSurfaceTexture(display, config,
((SurfaceTexture) native_window).mSurfaceTexture, attrib_list);
} else {
throw new java.lang.UnsupportedOperationException(
"eglCreateWindowSurface() can only be called with an instance of " +
"SurfaceView, SurfaceHolder or SurfaceTexture at the moment, " +
"this will be fixed later.");
}
if (eglSurfaceId == 0) {
return EGL10.EGL_NO_SURFACE;
}
return new EGLSurfaceImpl( eglSurfaceId );
}
public synchronized EGLDisplay eglGetDisplay(Object native_display) {
int value = _eglGetDisplay(native_display);
if (value == 0) {
return EGL10.EGL_NO_DISPLAY;
}
if (mDisplay.mEGLDisplay != value)
mDisplay = new EGLDisplayImpl(value);
return mDisplay;
}
public synchronized EGLContext eglGetCurrentContext() {
int value = _eglGetCurrentContext();
if (value == 0) {
return EGL10.EGL_NO_CONTEXT;
}
if (mContext.mEGLContext != value)
mContext = new EGLContextImpl(value);
return mContext;
}
public synchronized EGLDisplay eglGetCurrentDisplay() {
int value = _eglGetCurrentDisplay();
if (value == 0) {
return EGL10.EGL_NO_DISPLAY;
}
if (mDisplay.mEGLDisplay != value)
mDisplay = new EGLDisplayImpl(value);
return mDisplay;
}
public synchronized EGLSurface eglGetCurrentSurface(int readdraw) {
int value = _eglGetCurrentSurface(readdraw);
if (value == 0) {
return EGL10.EGL_NO_SURFACE;
}
if (mSurface.mEGLSurface != value)
mSurface = new EGLSurfaceImpl(value);
return mSurface;
}
private native int _eglCreateContext(EGLDisplay display, EGLConfig config, EGLContext share_context, int[] attrib_list);
private native int _eglCreatePbufferSurface(EGLDisplay display, EGLConfig config, int[] attrib_list);
private native void _eglCreatePixmapSurface(EGLSurface sur, EGLDisplay display, EGLConfig config, Object native_pixmap, int[] attrib_list);
private native int _eglCreateWindowSurface(EGLDisplay display, EGLConfig config, Object native_window, int[] attrib_list);
private native int _eglCreateWindowSurfaceTexture(EGLDisplay display, EGLConfig config, int native_window, int[] attrib_list);
private native int _eglGetDisplay(Object native_display);
private native int _eglGetCurrentContext();
private native int _eglGetCurrentDisplay();
private native int _eglGetCurrentSurface(int readdraw);
native private static void _nativeClassInit();
static { _nativeClassInit(); }
}
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