matrixfurry.com
The open source OpenXR runtime
c/render: Stop timewarp stretching by changing math
Tested-by: BabbleBones <BabbleBones@protonmail.com>
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src/xrt/compositor/render/render_util.c
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src/xrt/compositor/render/render_util.c
···
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const float a43 = (float)(-(far_plane * near_plane) / (far_plane - near_plane));
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-
#if 1
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#if 0
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// We skip a33 & a43 because we don't have depth.
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(void)a33;
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(void)a43;
···
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};
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// clang-format on
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#else
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/*
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* Apparently the timewarp doesn't look good without this path being
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* used. With the above it stretches out. I tried with the code to see
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* if I could affect the depth where the view was placed but couldn't
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* see to do it, which is a head scratcher.
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*/
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// clang-format off
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*result = (struct xrt_matrix_4x4_f64) {
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.v = {