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Add initial linux_dmabuf protocol support

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Tested with

    ./weston-simple-dmabuf-drm
    ./weston-simple-dmabuf-drm --import-immediate=1
    ./weston-simple-dmabuf-drm --y-inverted=1
    (and combinations)

Supports only single plane XRGB dmabufs for now.
This commit is contained in:
Guido Günther 2018-02-23 18:45:16 +01:00
parent 2d0db16942
commit 14cdb6153f
12 changed files with 787 additions and 4 deletions
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28
include/wlr/render/egl.h
View file

@ -6,6 +6,7 @@
#include <pixman.h>
#include <stdbool.h>
#include <wayland-server.h>
#include <wlr/types/wlr_linux_dmabuf.h>
struct wlr_egl {
EGLDisplay display;
@ -18,6 +19,8 @@ struct wlr_egl {
struct {
bool buffer_age;
bool swap_buffers_with_damage;
bool dmabuf_import;
bool dmabuf_import_modifiers;
} egl_exts;
struct wl_display *wl_display;
@ -61,6 +64,31 @@ EGLSurface wlr_egl_create_surface(struct wlr_egl *egl, void *window);
EGLImageKHR wlr_egl_create_image(struct wlr_egl *egl,
EGLenum target, EGLClientBuffer buffer, const EGLint *attribs);
/**
* Creates an egl image from the given dmabuf attributes. Check usability
* of the dmabuf with wlr_egl_check_import_dmabuf once first.
*/
EGLImageKHR wlr_egl_create_image_from_dmabuf(struct wlr_egl *egl,
struct wlr_dmabuf_buffer_attribs *attributes);
/**
* Try to import the given dmabuf. On success return true false otherwise.
* If this succeeds the dmabuf can be used for rendering on a texture
*/
bool wlr_egl_check_import_dmabuf(struct wlr_egl *egl,
struct wlr_dmabuf_buffer *dmabuf);
/**
* Get the available dmabuf formats
*/
int wlr_egl_get_dmabuf_formats(struct wlr_egl *egl, int **formats);
/**
* Get the available dmabuf modifiers for a given format
*/
int wlr_egl_get_dmabuf_modifiers(struct wlr_egl *egl, int format,
uint64_t **modifiers);
/**
* Destroys an egl image created with the given wlr_egl.
*/