diff options
Diffstat (limited to 'include/render')
-rw-r--r-- | include/render/swapchain.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/include/render/swapchain.h b/include/render/swapchain.h new file mode 100644 index 00000000..57a0cd3f --- /dev/null +++ b/include/render/swapchain.h @@ -0,0 +1,41 @@ +#ifndef RENDER_SWAPCHAIN_H +#define RENDER_SWAPCHAIN_H + +#include <stdbool.h> +#include <wayland-server-core.h> +#include <wlr/render/drm_format_set.h> + +#define WLR_SWAPCHAIN_CAP 4 + +struct wlr_swapchain_slot { + struct wlr_buffer *buffer; + bool acquired; // waiting for release + + struct wl_listener release; +}; + +struct wlr_swapchain { + struct wlr_allocator *allocator; // NULL if destroyed + + int width, height; + struct wlr_drm_format *format; + + struct wlr_swapchain_slot slots[WLR_SWAPCHAIN_CAP]; + + struct wl_listener allocator_destroy; +}; + +struct wlr_swapchain *wlr_swapchain_create( + struct wlr_allocator *alloc, int width, int height, + const struct wlr_drm_format *format); +void wlr_swapchain_destroy(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. + */ +struct wlr_buffer *wlr_swapchain_acquire( + struct wlr_swapchain *swapchain); + +#endif |