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drm: add support for DMA-BUFs

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Mesa's Vulkan WSI still uses wl_drm when modifiers aren't supported.
This has been fixed in [1] but will take some time to be propagated
to users. In the meantime, add a fallback.

[1]: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4942
This commit is contained in:
Simon Ser 2021-06-30 15:41:56 +02:00 • committed by Simon Zeni
parent f7e3d325fe
commit c868e509b7
2 changed files with 141 additions and 6 deletions
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16
include/wlr/types/wlr_drm.h
View file

@ -13,6 +13,15 @@
struct wlr_renderer;
struct wlr_drm_buffer {
struct wlr_buffer base;
struct wl_resource *resource; // can be NULL if the client destroyed it
struct wlr_dmabuf_attributes dmabuf;
struct wl_listener release;
};
/**
* A stub implementation of Mesa's wl_drm protocol.
*
@ -21,6 +30,7 @@ struct wlr_renderer;
*/
struct wlr_drm {
struct wl_global *global;
struct wlr_renderer *renderer;
char *node_name;
struct {
@ -28,8 +38,14 @@ struct wlr_drm {
} events;
struct wl_listener display_destroy;
struct wl_listener renderer_destroy;
};
bool wlr_drm_buffer_is_resource(struct wl_resource *resource);
struct wlr_drm_buffer *wlr_drm_buffer_from_resource(
struct wl_resource *resource);
struct wlr_drm *wlr_drm_create(struct wl_display *display,
struct wlr_renderer *renderer);