mirrors/wlroots
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/wlroots/wlroots.git synced 2025-12-15 08:56:26 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

backend/headless: add wlr_headless_backend_create_with_renderer

Browse source 
This allows one to create a headless backend with an existing renderer.
This commit is contained in:
Simon Ser 2020-04-06 13:27:05 +02:00 • committed by Drew DeVault
parent 40513f1a0e
commit 6129a6f93e
4 changed files with 80 additions and 43 deletions
Download patch file Download diff file Expand all files Collapse all files

105
backend/headless/backend.c
View file

@ -62,7 +62,9 @@ static void backend_destroy(struct wlr_backend *wlr_backend) {
wlr_signal_emit_safe(&wlr_backend->events.destroy, backend);
wlr_renderer_destroy(backend->renderer);
wlr_egl_finish(&backend->egl);
if (backend->egl == &backend->priv_egl) {
wlr_egl_finish(&backend->priv_egl);
}
free(backend);
}
@ -85,41 +87,15 @@ static void handle_display_destroy(struct wl_listener *listener, void *data) {
backend_destroy(&backend->backend);
}
struct wlr_backend *wlr_headless_backend_create(struct wl_display *display,
wlr_renderer_create_func_t create_renderer_func) {
wlr_log(WLR_INFO, "Creating headless backend");
struct wlr_headless_backend *backend =
calloc(1, sizeof(struct wlr_headless_backend));
if (!backend) {
wlr_log(WLR_ERROR, "Failed to allocate wlr_headless_backend");
return NULL;
}
static bool backend_init(struct wlr_headless_backend *backend,
struct wl_display *display, struct wlr_renderer *renderer) {
wlr_backend_init(&backend->backend, &backend_impl);
backend->display = display;
wl_list_init(&backend->outputs);
wl_list_init(&backend->input_devices);
static const EGLint config_attribs[] = {
EGL_SURFACE_TYPE, 0,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_BLUE_SIZE, 1,
EGL_GREEN_SIZE, 1,
EGL_RED_SIZE, 1,
EGL_NONE,
};
if (!create_renderer_func) {
create_renderer_func = wlr_renderer_autocreate;
}
backend->renderer = create_renderer_func(&backend->egl,
EGL_PLATFORM_SURFACELESS_MESA, EGL_DEFAULT_DISPLAY,
(EGLint*)config_attribs, 0);
if (!backend->renderer) {
wlr_log(WLR_ERROR, "Failed to create renderer");
goto error_backend;
}
backend->renderer = renderer;
backend->egl = wlr_gles2_renderer_get_egl(renderer);
if (wlr_gles2_renderer_check_ext(backend->renderer, "GL_OES_rgb8_rgba8") ||
wlr_gles2_renderer_check_ext(backend->renderer,
@ -136,13 +112,68 @@ struct wlr_backend *wlr_headless_backend_create(struct wl_display *display,
backend->display_destroy.notify = handle_display_destroy;
wl_display_add_destroy_listener(display, &backend->display_destroy);
return &backend->backend;
return true;
}
error_renderer:
wlr_renderer_destroy(backend->renderer);
error_backend:
free(backend);
return NULL;
struct wlr_backend *wlr_headless_backend_create(struct wl_display *display,
wlr_renderer_create_func_t create_renderer_func) {
wlr_log(WLR_INFO, "Creating headless backend");
struct wlr_headless_backend *backend =
calloc(1, sizeof(struct wlr_headless_backend));
if (!backend) {
wlr_log(WLR_ERROR, "Failed to allocate wlr_headless_backend");
return NULL;
}
static const EGLint config_attribs[] = {
EGL_SURFACE_TYPE, 0,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_BLUE_SIZE, 1,
EGL_GREEN_SIZE, 1,
EGL_RED_SIZE, 1,
EGL_NONE,
};
if (!create_renderer_func) {
create_renderer_func = wlr_renderer_autocreate;
}
struct wlr_renderer *renderer = create_renderer_func(&backend->priv_egl,
EGL_PLATFORM_SURFACELESS_MESA, EGL_DEFAULT_DISPLAY,
(EGLint*)config_attribs, 0);
if (!renderer) {
wlr_log(WLR_ERROR, "Failed to create renderer");
free(backend);
return NULL;
}
if (!backend_init(backend, display, renderer)) {
wlr_renderer_destroy(backend->renderer);
free(backend);
return NULL;
}
return &backend->backend;
}
struct wlr_backend *wlr_headless_backend_create_with_renderer(
struct wl_display *display, struct wlr_renderer *renderer) {
wlr_log(WLR_INFO, "Creating headless backend");
struct wlr_headless_backend *backend =
calloc(1, sizeof(struct wlr_headless_backend));
if (!backend) {
wlr_log(WLR_ERROR, "Failed to allocate wlr_headless_backend");
return NULL;
}
if (!backend_init(backend, display, renderer)) {
free(backend);
return NULL;
}
return &backend->backend;
}
bool wlr_backend_is_headless(struct wlr_backend *backend) {