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49 lines
1.5 KiB
49 lines
1.5 KiB
3 years ago
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/*
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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_INTERFACES_WLR_BUFFER_H
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#define WLR_INTERFACES_WLR_BUFFER_H
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#include <wlr/types/wlr_buffer.h>
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struct wlr_buffer_impl {
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void (*destroy)(struct wlr_buffer *buffer);
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bool (*get_dmabuf)(struct wlr_buffer *buffer,
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struct wlr_dmabuf_attributes *attribs);
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bool (*get_shm)(struct wlr_buffer *buffer,
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struct wlr_shm_attributes *attribs);
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bool (*begin_data_ptr_access)(struct wlr_buffer *buffer, uint32_t flags,
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void **data, uint32_t *format, size_t *stride);
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void (*end_data_ptr_access)(struct wlr_buffer *buffer);
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};
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struct wlr_buffer_resource_interface {
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const char *name;
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bool (*is_instance)(struct wl_resource *resource);
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struct wlr_buffer *(*from_resource)(struct wl_resource *resource);
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};
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/**
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* Initialize a buffer. This function should be called by producers. The
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* initialized buffer is referenced: once the producer is done with the buffer
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* they should call wlr_buffer_drop.
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*/
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void wlr_buffer_init(struct wlr_buffer *buffer,
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const struct wlr_buffer_impl *impl, int width, int height);
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/**
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* Allows the registration of a wl_resource implementation.
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*
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* The matching function will be called for the wl_resource when creating a
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* wlr_buffer from a wl_resource.
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*/
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void wlr_buffer_register_resource_interface(
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const struct wlr_buffer_resource_interface *iface);
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#endif
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