90 lines
2.2 KiB
C
90 lines
2.2 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_LINUX_DMABUF_H
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#define WLR_TYPES_WLR_LINUX_DMABUF_H
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#include <stdint.h>
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#include <sys/stat.h>
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#include <wayland-server-core.h>
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#include <wlr/types/wlr_buffer.h>
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#include <wlr/render/dmabuf.h>
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struct wlr_surface;
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struct wlr_dmabuf_v1_buffer {
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struct wlr_buffer base;
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struct wl_resource *resource; // can be NULL if the client destroyed it
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struct wlr_dmabuf_attributes attributes;
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// private state
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struct wl_listener release;
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};
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/**
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* Returns true if the given resource was created via the linux-dmabuf
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* buffer protocol, false otherwise
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*/
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bool wlr_dmabuf_v1_resource_is_buffer(struct wl_resource *buffer_resource);
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/**
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* Returns the wlr_dmabuf_buffer if the given resource was created
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* via the linux-dmabuf buffer protocol
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*/
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struct wlr_dmabuf_v1_buffer *wlr_dmabuf_v1_buffer_from_buffer_resource(
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struct wl_resource *buffer_resource);
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struct wlr_linux_dmabuf_feedback_v1 {
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dev_t main_device;
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size_t tranches_len;
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const struct wlr_linux_dmabuf_feedback_v1_tranche *tranches;
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};
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struct wlr_linux_dmabuf_feedback_v1_tranche {
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dev_t target_device;
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uint32_t flags; // bitfield of enum zwp_linux_dmabuf_feedback_v1_tranche_flags
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const struct wlr_drm_format_set *formats;
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};
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/* the protocol interface */
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struct wlr_linux_dmabuf_v1 {
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struct wl_global *global;
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struct wlr_renderer *renderer;
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struct {
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struct wl_signal destroy;
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} events;
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// private state
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struct wlr_linux_dmabuf_feedback_v1_compiled *default_feedback;
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struct wl_list surfaces; // wlr_linux_dmabuf_v1_surface.link
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struct wl_listener display_destroy;
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struct wl_listener renderer_destroy;
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};
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/**
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* Create linux-dmabuf interface
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*/
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struct wlr_linux_dmabuf_v1 *wlr_linux_dmabuf_v1_create(struct wl_display *display,
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struct wlr_renderer *renderer);
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/**
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* Set a surface's DMA-BUF feedback.
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*
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* Passing a NULL feedback resets it to the default feedback.
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*/
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bool wlr_linux_dmabuf_v1_set_surface_feedback(
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struct wlr_linux_dmabuf_v1 *linux_dmabuf, struct wlr_surface *surface,
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const struct wlr_linux_dmabuf_feedback_v1 *feedback);
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#endif
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