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package com.android.camera.support.glrenderer;
//ExtTexture is a texture whose content comes from a external texture.
//Before drawing, setSize() should be called.
public class ExtTexture extends BasicTexture {
private int mTarget;
public ExtTexture(GLCanvas canvas, int target) {
GLId glId = canvas.getGLId();
mId = glId.generateTexture();
mTarget = target;
}
private void uploadToCanvas(GLCanvas canvas) {
canvas.setTextureParameters(this);
setAssociatedCanvas(canvas);
mState = STATE_LOADED;
}
@Override
protected boolean onBind(GLCanvas canvas) {
if (!isLoaded()) {
uploadToCanvas(canvas);
}
return true;
}
@Override
public int getTarget() {
return mTarget;
}
@Override
public boolean isOpaque() {
return true;
}
@Override
public void yield() {
// we cannot free the texture because we have no backup.
}
}
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