54 lines
1.2 KiB
C
54 lines
1.2 KiB
C
/*
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* This an unstable interface of wlroots. No guarantees are made regarding the
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* future consistency of this API.
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*/
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#ifndef WLR_USE_UNSTABLE
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#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
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#endif
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#ifndef WLR_TYPES_WLR_SHM_H
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#define WLR_TYPES_WLR_SHM_H
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#include <wayland-server-core.h>
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struct wlr_renderer;
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/**
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* Shared memory buffer interface.
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*
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* The buffers created via this interface are not safe to use from different
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* threads.
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*
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* Currently, accessing two buffers concurrently via
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* wlr_buffer_begin_data_ptr_access() will return an error.
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*/
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struct wlr_shm {
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struct wl_global *global;
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// private state
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uint32_t *formats;
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size_t formats_len;
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struct wl_listener display_destroy;
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};
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/**
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* Create the wl_shm global.
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*
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* Compositors using struct wlr_renderer should use wlr_shm_create_with_renderer()
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* instead.
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*/
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struct wlr_shm *wlr_shm_create(struct wl_display *display, uint32_t version,
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const uint32_t *formats, size_t formats_len);
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/**
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* Create the wl_shm global.
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*
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* The pixel formats advertised to clients are taken from the struct wlr_renderer.
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*/
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struct wlr_shm *wlr_shm_create_with_renderer(struct wl_display *display,
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uint32_t version, struct wlr_renderer *renderer);
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#endif
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