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Ensure buffer size is multiple of buffer scale

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An odd value of fe.height lead to the indicator disappearing. This was
due to the buffer size no longer being a multiple of the buffer scale.
This commit fixes the issue by checking both height and width to be a
multiple of scale.

This is done early to avoid excessive re-calls of create_buffer if the
buffer_height != new_height in render.c line 314 (now 318).
This commit is contained in:
Simon Plakolb 2021-06-01 01:49:58 +02:00 committed by Simon Ser
parent bac71d9c8d
commit 9754241080
1 changed files with 4 additions and 0 deletions
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4
render.c
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@ -311,6 +311,10 @@ void render_frame(struct swaylock_surface *surface) {
} }
} }
// Ensure buffer size is multiple of buffer scale - required by protocol
new_height += surface->scale - (new_height % surface->scale);
new_width += surface->scale - (new_width % surface->scale);
if (buffer_width != new_width || buffer_height != new_height) { if (buffer_width != new_width || buffer_height != new_height) {
destroy_buffer(surface->current_buffer); destroy_buffer(surface->current_buffer);
surface->indicator_width = new_width; surface->indicator_width = new_width;