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render/swapchain: add support for buffer age

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This commit is contained in:
Simon Ser 2020-07-27 18:36:31 +02:00
parent ef846a8839
commit c11c6c4568
2 changed files with 52 additions and 7 deletions
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13
include/render/swapchain.h
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@ -10,6 +10,7 @@
struct wlr_swapchain_slot {
struct wlr_buffer *buffer;
bool acquired; // waiting for release
int age;
struct wl_listener release;
};
@ -35,7 +36,15 @@ void wlr_swapchain_destroy(struct wlr_swapchain *swapchain);
* The returned buffer is locked. When the caller is done with it, they must
* unlock it by calling wlr_buffer_unlock.
*/
struct wlr_buffer *wlr_swapchain_acquire(
struct wlr_swapchain *swapchain);
struct wlr_buffer *wlr_swapchain_acquire(struct wlr_swapchain *swapchain,
int *age);
/**
* Mark the buffer as submitted for presentation. This needs to be called by
* swap chain users on frame boundaries.
*
* If the buffer hasn't been created via the swap chain, the call is ignored.
*/
void wlr_swapchain_set_buffer_submitted(struct wlr_swapchain *swapchain,
struct wlr_buffer *buffer);
#endif