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Merge pull request #46892 from lawnjelly/ewok_scissor_boost

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Batching - fix off by one error in light scissoring
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Rémi Verschelde 2021-03-11 21:11:06 +01:00 committed by GitHub
commit 8e1c92a365
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1 changed files with 8 additions and 1 deletions
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9
drivers/gles_common/rasterizer_canvas_batcher.h
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@ -1162,10 +1162,17 @@ PREAMBLE(bool)::_light_scissor_begin(const Rect2 &p_item_rect, const Transform2D
int rh = get_storage()->frame.current_rt->height;
// using the exact size was leading to off by one errors,
// possibly due to pixel snap. For this reason we will boost
// the scissor area by 1 pixel, this will take care of any rounding
// issues, and shouldn't significantly negatively impact performance.
int y = rh - (cliprect.position.y + cliprect.size.y);
y += 1; // off by 1 boost before flipping
if (get_storage()->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_VFLIP])
y = cliprect.position.y;
get_this()->gl_enable_scissor(cliprect.position.x, y, cliprect.size.width, cliprect.size.height);
get_this()->gl_enable_scissor(cliprect.position.x - 1, y, cliprect.size.width + 2, cliprect.size.height + 2);
return true;
}