Documentation for <wlr/render/swapchain.h>

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struct wlr_swapchain 

struct wlr_swapchain {
	struct wlr_allocator *allocator; // NULL if destroyed
	
	int width, height;
	struct wlr_drm_format format;
	
	struct wlr_swapchain_slot slots[];
	
	struct {
		struct wl_listener allocator_destroy;
	} WLR_PRIVATE;
};

wlr_swapchain_acquire() 

struct wlr_buffer *wlr_swapchain_acquire(​struct wlr_swapchain *swapchain);

Acquire a buffer from the swap chain.

The returned buffer is locked. When the caller is done with it, they must unlock it by calling wlr_buffer_unlock.

WLR_SWAPCHAIN_CAP 

#define WLR_SWAPCHAIN_CAP …

wlr_swapchain_create() 

struct wlr_swapchain *wlr_swapchain_create(​struct wlr_allocator *alloc, int width, int height, const struct wlr_drm_format *format);

wlr_swapchain_destroy() 

void wlr_swapchain_destroy(​struct wlr_swapchain *swapchain);

wlr_swapchain_has_buffer() 

bool wlr_swapchain_has_buffer(​struct wlr_swapchain *swapchain, struct wlr_buffer *buffer);

struct wlr_swapchain_slot 

struct wlr_swapchain_slot {
	struct wlr_buffer *buffer;
	bool acquired; // waiting for release
	
	struct {
		struct wl_listener release;
	} WLR_PRIVATE;
};