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render: warn if we’re forced to double buffer at least 5 times

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Daniel Eklöf 2021-05-08 20:52:06 +02:00
parent 34becf0df0
commit 9b339a35f0
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GPG key ID: 5BBD4992C116573F
1 changed files with 8 additions and 1 deletions
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render.c
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@ -2036,8 +2036,15 @@ force_full_repaint(struct terminal *term, struct buffer *buf)
static void static void
reapply_old_damage(struct terminal *term, struct buffer *new, struct buffer *old) reapply_old_damage(struct terminal *term, struct buffer *new, struct buffer *old)
{ {
static int counter = 0;
static bool have_warned = false;
if (!have_warned && ++counter > 5) {
LOG_WARN("compositor is not releasing buffers immediately; "
"expect lower rendering performance");
have_warned = true;
}
if (new->age > 1) { if (new->age > 1) {
LOG_WARN("copying the entire old buffer");
memcpy(new->mmapped, old->mmapped, new->size); memcpy(new->mmapped, old->mmapped, new->size);
return; return;
} }