mirror of https://github.com/yshui/picom.git
backend: gl: fix mask being inverted
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
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@ -351,6 +351,9 @@ static GLuint gl_average_texture_color(backend_t *base, struct backend_image *im
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static void _gl_compose(backend_t *base, struct backend_image *img, GLuint target,
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struct backend_image *mask, coord_t mask_offset, GLint *coord,
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GLuint *indices, int nrects) {
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// FIXME(yshui) breaks when `mask` and `img` doesn't have the same y_inverted
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// value. but we don't ever hit this problem because all of our
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// images and masks are y_inverted.
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auto gd = (struct gl_data *)base;
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auto inner = (struct gl_texture *)img->inner;
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auto mask_texture =
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@ -1199,7 +1202,7 @@ void *gl_shadow_from_mask(backend_t *base, void *mask,
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new_inner->height = inner->height + radius * 2;
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new_inner->texture = gl_new_texture(GL_TEXTURE_2D);
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new_inner->has_alpha = inner->has_alpha;
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new_inner->y_inverted = false;
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new_inner->y_inverted = true;
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auto new_img = default_new_backend_image(new_inner->width, new_inner->height);
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new_img->inner = (struct backend_image_inner_base *)new_inner;
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new_img->inner->refcount = 1;
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