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backends: implement custom EGL and renderer initialization

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Compositors now have more control over how the backend creates its
renderer. Currently all backends create an EGL/GLES2 renderer, so
the necessary attributes for creating the context are passed to a
user-provided callback function. It is responsible for initializing
provided wlr_egl and to return a renderer. On fail, return 0.

Fixes #987
This commit is contained in:
Ilia Bozhinov 2018-05-25 13:14:35 +03:00
parent a0eb37e2ea
commit 24cf70ae96
22 changed files with 106 additions and 69 deletions
Download patch file Download diff file Expand all files Collapse all files

3
include/wlr/backend/drm.h
View file

@ -14,7 +14,8 @@
* a DRM backend, other kinds of backends raise SIGABRT).
*/
struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
struct wlr_session *session, int gpu_fd, struct wlr_backend *parent);
struct wlr_session *session, int gpu_fd, struct wlr_backend *parent,
wlr_renderer_create_func_t create_renderer_func);
bool wlr_backend_is_drm(struct wlr_backend *backend);
bool wlr_output_is_drm(struct wlr_output *output);

3
include/wlr/backend/headless.h
View file

@ -9,7 +9,8 @@
* Creates a headless backend. A headless backend has no outputs or inputs by
* default.
*/
struct wlr_backend *wlr_headless_backend_create(struct wl_display *display);
struct wlr_backend *wlr_headless_backend_create(struct wl_display *display,
wlr_renderer_create_func_t create_renderer_func);
/**
* Create a new headless output backed by an in-memory EGL framebuffer. You can
* read pixels from this framebuffer via wlr_renderer_read_pixels but it is

3
include/wlr/backend/wayland.h
View file

@ -16,7 +16,8 @@
* to NULL for the default behaviour (WAYLAND_DISPLAY env variable or wayland-0
* default)
*/
struct wlr_backend *wlr_wl_backend_create(struct wl_display *display, const char *remote);
struct wlr_backend *wlr_wl_backend_create(struct wl_display *display, const char *remote,
wlr_renderer_create_func_t create_renderer_func);
/**
* Adds a new output to this backend. You may remove outputs by destroying them.

2
include/wlr/backend/x11.h
View file

@ -8,7 +8,7 @@
#include <wlr/types/wlr_output.h>
struct wlr_backend *wlr_x11_backend_create(struct wl_display *display,
const char *x11_display);
const char *x11_display, wlr_renderer_create_func_t create_renderer_func);
struct wlr_output *wlr_x11_output_create(struct wlr_backend *backend);
bool wlr_backend_is_x11(struct wlr_backend *backend);