mirror of https://github.com/yshui/picom.git
backend: xrender: force 32bit ARGB visual when adding rounded corners
Force the temporary picture to a 32-bit ARGB visual when masking it for rounded corners to keep the transparency information. Otherwise, windows with a 24-bit visual would get black corners instead. Authored-by: Bernd Busse <bernd@busse-net.de> Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
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@ -250,10 +250,16 @@ compose_impl(struct _xrender_data *xd, struct xrender_image *xrimg, coord_t dst,
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}
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if (((img->color_inverted || img->dim != 0) && has_alpha) || img->corner_radius != 0) {
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// Apply image properties using a temporary image, because the source
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// image is transparent. Otherwise the properties can be applied directly
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// on the target image.
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// image is transparent or will get transparent corners. Otherwise the
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// properties can be applied directly on the target image.
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// Also force a 32-bit ARGB visual for transparent corners, otherwise the
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// corners become black.
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auto visual =
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(img->corner_radius != 0 && inner->depth != 32)
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? x_get_visual_for_standard(xd->base.c, XCB_PICT_STANDARD_ARGB_32)
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: inner->visual;
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auto tmp_pict = x_create_picture_with_visual(
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xd->base.c, inner->width, inner->height, inner->visual, 0, NULL);
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xd->base.c, inner->width, inner->height, visual, 0, NULL);
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// Set clip region translated to source coordinate
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x_set_picture_clip_region(xd->base.c, tmp_pict, to_i16_checked(-dst.x),
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