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Batching - flip normal map polarity for rects

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An earlier PR #46898 had flipped the rotation basis polarity. This turns out to also need a corresponding flip for the light angles for the lighting to make sense.
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lawnjelly 2021-04-03 10:53:20 +01:00
parent e6e1f6212d
commit 8348c97a8d
1 changed files with 2 additions and 2 deletions
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drivers/gles_common/rasterizer_canvas_batcher.h
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@ -2121,11 +2121,11 @@ bool C_PREAMBLE::_prefill_rect(RasterizerCanvas::Item::CommandRect *rect, FillSt
// apply to an x axis
// the x axis and y axis can be taken directly from the transform (no need to xform identity vectors)
Vector2 x_axis(tr.elements[0][0], tr.elements[1][0]);
Vector2 x_axis(tr.elements[0][0], tr.elements[0][1]);
// have to do a y axis to check for scaling flips
// this is hassle and extra slowness. We could only allow flips via the flags.
Vector2 y_axis(tr.elements[0][1], tr.elements[1][1]);
Vector2 y_axis(tr.elements[1][0], tr.elements[1][1]);
// has the x / y axis flipped due to scaling?
float cross = x_axis.cross(y_axis);