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/**
* Copyright 2012 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``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 JogAmp Community 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.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package jogamp.opengl.av;
import java.nio.IntBuffer;
import javax.media.opengl.GL;
import com.jogamp.common.nio.Buffers;
import com.jogamp.opengl.util.texture.Texture;
import jogamp.opengl.egl.EGL;
import jogamp.opengl.egl.EGLContext;
import jogamp.opengl.egl.EGLDrawable;
import jogamp.opengl.egl.EGLExt;
public abstract class EGLMediaPlayerImpl extends GLMediaPlayerImpl {
TextureType texType;
boolean useKHRSync;
public enum TextureType {
GL(0), KHRImage(1);
public final int id;
TextureType(int id){
this.id = id;
}
}
public static class EGLTextureFrame extends TextureFrame {
public EGLTextureFrame(Texture t, long khrImage, long khrSync) {
super(t);
this.image = khrImage;
this.sync = khrSync;
}
public final long getImage() { return image; }
public final long getSync() { return sync; }
public String toString() {
return "EGLTextureFrame[" + texture + ", img "+ image + ", sync "+ sync+"]";
}
protected final long image;
protected final long sync;
}
protected EGLMediaPlayerImpl() {
this(TextureType.GL, false);
}
protected EGLMediaPlayerImpl(TextureType texType, boolean useKHRSync) {
super();
this.texType = texType;
this.useKHRSync = useKHRSync;
}
@Override
protected TextureFrame createTexImage(GL gl, int idx, int[] tex) {
final Texture texture = super.createTexImageImpl(gl, idx, tex, true);
final long image;
final long sync;
final EGLContext eglCtx = (EGLContext) gl.getContext();
final EGLExt eglExt = eglCtx.getEGLExt();
final EGLDrawable eglDrawable = (EGLDrawable) eglCtx.getGLDrawable();
int[] tmp = new int[1];
IntBuffer nioTmp = Buffers.newDirectIntBuffer(1);
if(TextureType.KHRImage == texType) {
// create EGLImage from texture
nioTmp.put(0, EGL.EGL_NONE);
image = eglExt.eglCreateImageKHR( eglDrawable.getDisplay(), eglCtx.getHandle(),
EGLExt.EGL_GL_TEXTURE_2D_KHR,
null /* buffer */, nioTmp);
if (0==image) {
throw new RuntimeException("EGLImage creation failed: "+EGL.eglGetError()+", ctx "+eglCtx+", tex "+tex[idx]+", err "+toHexString(EGL.eglGetError()));
}
} else {
image = 0;
}
if(useKHRSync) {
// Create sync object so that we can be sure that gl has finished
// rendering the EGLImage texture before we tell OpenMAX to fill
// it with a new frame.
tmp[0] = EGL.EGL_NONE;
sync = eglExt.eglCreateSyncKHR(eglDrawable.getDisplay(), EGLExt.EGL_SYNC_FENCE_KHR, tmp, 0);
if (0==sync) {
throw new RuntimeException("EGLSync creation failed: "+EGL.eglGetError()+", ctx "+eglCtx+", err "+toHexString(EGL.eglGetError()));
}
} else {
sync = 0;
}
return new EGLTextureFrame(texture, image, sync);
}
@Override
protected void destroyTexImage(GL gl, TextureFrame imgTex) {
final EGLContext eglCtx = (EGLContext) gl.getContext();
final EGLExt eglExt = eglCtx.getEGLExt();
final EGLDrawable eglDrawable = (EGLDrawable) eglCtx.getGLDrawable();
final EGLTextureFrame eglTex = (EGLTextureFrame) imgTex;
if(0!=eglTex.getImage()) {
eglExt.eglDestroyImageKHR(eglDrawable.getDisplay(), eglTex.getImage());
}
if(0!=eglTex.getSync()) {
eglExt.eglDestroySyncKHR(eglDrawable.getDisplay(), eglTex.getSync());
}
super.destroyTexImage(gl, imgTex);
}
}
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