also note bug 4504138
"stereo wrong transformation in immediate for rendering in left eye
image buffer"
Guang Bin Liu schrieb:
> Hi Friends:
>
> In the following code, I render the left/right eye images separately, using
> two render methods (Because I need to control the rotation of the two image
> separately). Possibly due to the repeated call to canvas.swap(), the image
> allocated to each eye is changing: some times each image is seen by the
> other eye. This problem can be solved if I render two images with same
> GraphicsContext3D method. However, I will not be able to control seperate
> rotations. Could any one give me a suggestion whether I can keep each eye
> viewing the allocated image in the following methods?
>
> Thank you a lot!
>
> public void renderLeft()
> {
> if (gcLeft == null)
> {
> gcLeft = canvas.getGraphicsContext3D();
> grt1=grat1.getRotate();
> }
> cmtleft.rotZ(Math.PI/2);
> gcLeft.clear();
> gcLeft.setModelTransform(cmtleft);
> gcLeft.setStereoMode(GraphicsContext3D.STEREO_LEFT);
> gcLeft.draw(grt1);
> canvas.swap();
> }
>
> public void renderRight()
> {
> if (gcRight == null)
> {
> gcRight = canvas.getGraphicsContext3D();
> grt2=grat2.getRotate();
> }
> cmt.rotY(-angle);
> gcRight.clear();
> gcRight.setModelTransform(cmt);
> gcRight.setStereoMode(GraphicsContext3D.STEREO_RIGHT);
> gcRight.draw(grt2);
> canvas.swap();
> }
>
> public void run()
> {
> while (true)
> {
> renderLeft();
> renderRight();
> }
> }
>
> G.B. Liu
>
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