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swapchain, damage_ring: Drop buffer age

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This commit is contained in:
Alexander Orzechowski 2024-08-20 18:33:59 -04:00
parent eebaca8dbf
commit bfcaa4bc44
12 changed files with 13 additions and 119 deletions
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33
render/swapchain.c
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@ -65,7 +65,7 @@ static void slot_handle_release(struct wl_listener *listener, void *data) {
}
static struct wlr_buffer *slot_acquire(struct wlr_swapchain *swapchain,
struct wlr_swapchain_slot *slot, int *age) {
struct wlr_swapchain_slot *slot) {
assert(!slot->acquired);
assert(slot->buffer != NULL);
@ -74,15 +74,10 @@ static struct wlr_buffer *slot_acquire(struct wlr_swapchain *swapchain,
slot->release.notify = slot_handle_release;
wl_signal_add(&slot->buffer->events.release, &slot->release);
if (age != NULL) {
*age = slot->age;
}
return wlr_buffer_lock(slot->buffer);
}
struct wlr_buffer *wlr_swapchain_acquire(struct wlr_swapchain *swapchain,
int *age) {
struct wlr_buffer *wlr_swapchain_acquire(struct wlr_swapchain *swapchain) {
struct wlr_swapchain_slot *free_slot = NULL;
for (size_t i = 0; i < WLR_SWAPCHAIN_CAP; i++) {
struct wlr_swapchain_slot *slot = &swapchain->slots[i];
@ -90,7 +85,7 @@ struct wlr_buffer *wlr_swapchain_acquire(struct wlr_swapchain *swapchain,
continue;
}
if (slot->buffer != NULL) {
return slot_acquire(swapchain, slot, age);
return slot_acquire(swapchain, slot);
}
free_slot = slot;
}
@ -110,7 +105,7 @@ struct wlr_buffer *wlr_swapchain_acquire(struct wlr_swapchain *swapchain,
wlr_log(WLR_ERROR, "Failed to allocate buffer");
return NULL;
}
return slot_acquire(swapchain, free_slot, age);
return slot_acquire(swapchain, free_slot);
}
bool wlr_swapchain_has_buffer(struct wlr_swapchain *swapchain,
@ -123,23 +118,3 @@ bool wlr_swapchain_has_buffer(struct wlr_swapchain *swapchain,
}
return false;
}
void wlr_swapchain_set_buffer_submitted(struct wlr_swapchain *swapchain,
struct wlr_buffer *buffer) {
assert(buffer != NULL);
if (!wlr_swapchain_has_buffer(swapchain, buffer)) {
return;
}
// See the algorithm described in:
// https://www.khronos.org/registry/EGL/extensions/EXT/EGL_EXT_buffer_age.txt
for (size_t i = 0; i < WLR_SWAPCHAIN_CAP; i++) {
struct wlr_swapchain_slot *slot = &swapchain->slots[i];
if (slot->buffer == buffer) {
slot->age = 1;
} else if (slot->age > 0) {
slot->age++;
}
}
}