You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
131 lines
3.8 KiB
131 lines
3.8 KiB
#include <stdlib.h>
|
|
#include <wlr/render/egl.h>
|
|
#include <wlr/render/gles2.h>
|
|
#include <wlr/util/log.h>
|
|
#include <wlr/util/signal.h>
|
|
#include <wlr/interfaces/wlr_output.h>
|
|
#include <wlr/interfaces/wlr_input_device.h>
|
|
#include "backend/headless.h"
|
|
#include "glapi.h"
|
|
|
|
static bool backend_start(struct wlr_backend *wlr_backend) {
|
|
struct wlr_headless_backend *backend =
|
|
(struct wlr_headless_backend *)wlr_backend;
|
|
wlr_log(L_INFO, "Starting headless backend");
|
|
|
|
struct wlr_headless_output *output;
|
|
wl_list_for_each(output, &backend->outputs, link) {
|
|
wl_event_source_timer_update(output->frame_timer, output->frame_delay);
|
|
wlr_output_update_enabled(&output->wlr_output, true);
|
|
wlr_signal_emit_safe(&backend->backend.events.new_output,
|
|
&output->wlr_output);
|
|
}
|
|
|
|
struct wlr_headless_input_device *input_device;
|
|
wl_list_for_each(input_device, &backend->input_devices,
|
|
wlr_input_device.link) {
|
|
wlr_signal_emit_safe(&backend->backend.events.new_input,
|
|
&input_device->wlr_input_device);
|
|
}
|
|
|
|
backend->started = true;
|
|
return true;
|
|
}
|
|
|
|
static void backend_destroy(struct wlr_backend *wlr_backend) {
|
|
struct wlr_headless_backend *backend =
|
|
(struct wlr_headless_backend *)wlr_backend;
|
|
if (!wlr_backend) {
|
|
return;
|
|
}
|
|
|
|
wl_list_remove(&backend->display_destroy.link);
|
|
|
|
struct wlr_headless_output *output, *output_tmp;
|
|
wl_list_for_each_safe(output, output_tmp, &backend->outputs, link) {
|
|
wlr_output_destroy(&output->wlr_output);
|
|
}
|
|
|
|
struct wlr_headless_input_device *input_device, *input_device_tmp;
|
|
wl_list_for_each_safe(input_device, input_device_tmp,
|
|
&backend->input_devices, wlr_input_device.link) {
|
|
wlr_input_device_destroy(&input_device->wlr_input_device);
|
|
}
|
|
|
|
wlr_signal_emit_safe(&wlr_backend->events.destroy, backend);
|
|
|
|
wlr_egl_finish(&backend->egl);
|
|
free(backend);
|
|
}
|
|
|
|
static struct wlr_egl *backend_get_egl(struct wlr_backend *wlr_backend) {
|
|
struct wlr_headless_backend *backend =
|
|
(struct wlr_headless_backend *)wlr_backend;
|
|
return &backend->egl;
|
|
}
|
|
|
|
static struct wlr_renderer *backend_get_renderer(
|
|
struct wlr_backend *wlr_backend) {
|
|
struct wlr_headless_backend *backend =
|
|
(struct wlr_headless_backend *)wlr_backend;
|
|
return backend->renderer;
|
|
}
|
|
|
|
static const struct wlr_backend_impl backend_impl = {
|
|
.start = backend_start,
|
|
.destroy = backend_destroy,
|
|
.get_egl = backend_get_egl,
|
|
.get_renderer = backend_get_renderer,
|
|
};
|
|
|
|
static void handle_display_destroy(struct wl_listener *listener, void *data) {
|
|
struct wlr_headless_backend *backend =
|
|
wl_container_of(listener, backend, display_destroy);
|
|
backend_destroy(&backend->backend);
|
|
}
|
|
|
|
struct wlr_backend *wlr_headless_backend_create(struct wl_display *display) {
|
|
wlr_log(L_INFO, "Creating headless backend");
|
|
|
|
struct wlr_headless_backend *backend =
|
|
calloc(1, sizeof(struct wlr_headless_backend));
|
|
if (!backend) {
|
|
wlr_log(L_ERROR, "Failed to allocate wlr_headless_backend");
|
|
return NULL;
|
|
}
|
|
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, EGL_PBUFFER_BIT,
|
|
EGL_ALPHA_SIZE, 0,
|
|
EGL_BLUE_SIZE, 8,
|
|
EGL_GREEN_SIZE, 8,
|
|
EGL_RED_SIZE, 8,
|
|
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
|
|
EGL_NONE,
|
|
};
|
|
bool ok = wlr_egl_init(&backend->egl, EGL_PLATFORM_SURFACELESS_MESA, NULL,
|
|
(EGLint *)config_attribs, 0);
|
|
if (!ok) {
|
|
free(backend);
|
|
return NULL;
|
|
}
|
|
|
|
backend->renderer = wlr_gles2_renderer_create(&backend->backend);
|
|
if (backend->renderer == NULL) {
|
|
wlr_log(L_ERROR, "Failed to create renderer");
|
|
}
|
|
|
|
backend->display_destroy.notify = handle_display_destroy;
|
|
wl_display_add_destroy_listener(display, &backend->display_destroy);
|
|
|
|
return &backend->backend;
|
|
}
|
|
|
|
bool wlr_backend_is_headless(struct wlr_backend *backend) {
|
|
return backend->impl == &backend_impl;
|
|
}
|