562 lines
14 KiB
C
562 lines
14 KiB
C
#include "e.h"
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/* local function prototypes */
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static void _e_comp_cb_bind(struct wl_client *client, void *data, unsigned int version EINA_UNUSED, unsigned int id);
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static void _e_comp_cb_bind_manager(struct wl_client *client, void *data EINA_UNUSED, unsigned int version EINA_UNUSED, unsigned int id);
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static void _e_comp_cb_surface_create(struct wl_client *client, struct wl_resource *resource, unsigned int id);
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static void _e_comp_cb_surface_destroy(struct wl_resource *resource);
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static void _e_comp_cb_region_create(struct wl_client *client, struct wl_resource *resource, unsigned int id);
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static void _e_comp_cb_region_destroy(struct wl_resource *resource);
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static Eina_Bool _e_comp_cb_read(void *data, Ecore_Fd_Handler *hdl EINA_UNUSED);
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static Eina_Bool _e_comp_cb_idle(void *data);
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static void _e_comp_data_device_cb_get(struct wl_client *client, struct wl_resource *resource EINA_UNUSED, unsigned int id, struct wl_resource *seat_resource);
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static void _e_comp_data_device_cb_unbind(struct wl_resource *resource);
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static Eina_Bool _e_comp_xkb_init(E_Compositor *comp);
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/* local interfaces */
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static const struct wl_compositor_interface _e_compositor_interface =
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{
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_e_comp_cb_surface_create,
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_e_comp_cb_region_create
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};
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static const struct wl_data_device_manager_interface _e_manager_interface =
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{
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NULL, // create data source
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_e_comp_data_device_cb_get
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};
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static const struct wl_data_device_interface _e_data_device_interface =
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{
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NULL, // start_drag
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NULL, // set_selection
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};
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/* local variables */
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EAPI E_Compositor *_e_comp = NULL;
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EINTERN int
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e_comp_init(void)
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{
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E_Module *mod = NULL;
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const char *modname;
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/* NB: Basically, this function needs to load the appropriate
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* compositor module (drm, fb, x11, etc) */
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if (getenv("DISPLAY"))
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modname = "wl_x11";
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else
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modname = "wl_drm";
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if (!(mod = e_module_find(modname)))
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{
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if ((mod = e_module_new(modname)))
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{
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if (e_module_enable(mod))
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return 1;
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}
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}
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else
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return 1;
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return 0;
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}
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EINTERN int
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e_comp_shutdown(void)
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{
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E_Module *mod = NULL;
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const char *modname;
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/* NB: This function needs to unload the compositor module */
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if (getenv("DISPLAY"))
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modname = "wl_x11";
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else
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modname = "wl_drm";
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if ((mod = e_module_find(modname)))
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e_module_disable(mod);
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return 1;
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}
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EAPI Eina_Bool
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e_compositor_init(E_Compositor *comp, void *display)
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{
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E_Plane *p;
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int fd = 0;
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if (_e_comp)
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{
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ERR("Compositor already exists");
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return EINA_FALSE;
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}
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/* try to create a wayland display */
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if (!(comp->wl.display = wl_display_create()))
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{
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ERR("Could not create a wayland display: %m");
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return EINA_FALSE;
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}
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comp->output_pool = 0;
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/* initialize signals */
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wl_signal_init(&comp->signals.destroy);
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wl_signal_init(&comp->signals.activate);
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wl_signal_init(&comp->signals.kill);
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wl_signal_init(&comp->signals.seat);
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/* try to add the compositor to the displays global list */
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if (!wl_global_create(comp->wl.display, &wl_compositor_interface,
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3, comp, _e_comp_cb_bind))
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{
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ERR("Could not add compositor to globals: %m");
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goto global_err;
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}
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/* initialize hardware plane */
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e_plane_init(&comp->plane, 0, 0);
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e_compositor_plane_stack(comp, &comp->plane, NULL);
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/* init xkb */
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if (!_e_comp_xkb_init(comp))
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{
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ERR("Could not initialize xkb: %m");
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goto global_err;
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}
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/* initialize the data device manager */
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if (!wl_global_create(comp->wl.display, &wl_data_device_manager_interface,
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1, NULL, _e_comp_cb_bind_manager))
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{
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ERR("Could not add data device manager to globals: %m");
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goto global_err;
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}
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/* try to initialize the shm mechanism */
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if (wl_display_init_shm(comp->wl.display) < 0)
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ERR("Could not initialize SHM mechanism: %m");
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#ifdef HAVE_WAYLAND_EGL
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/* try to get the egl display
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*
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* NB: This is interesting....if we try to eglGetDisplay and pass in the
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* wayland display, then EGL fails due to XCB not owning the event queue.
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* If we pass it a NULL, it inits just fine
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*
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* NB: This is apparently a Mesa bug because it works now :/ Leaving this
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* note here in case it fails again in the future */
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comp->egl.display = eglGetDisplay((EGLNativeDisplayType)display);
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if (comp->egl.display == EGL_NO_DISPLAY)
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ERR("Could not get EGL display: %m");
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else
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{
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EGLint major, minor;
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/* try to initialize EGL */
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if (!eglInitialize(comp->egl.display, &major, &minor))
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{
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ERR("Could not initialize EGL: %m");
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eglTerminate(comp->egl.display);
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eglReleaseThread();
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}
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else
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{
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EGLint n;
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EGLint attribs[] =
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{
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EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
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EGL_RED_SIZE, 1, EGL_GREEN_SIZE, 1, EGL_BLUE_SIZE, 1,
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EGL_ALPHA_SIZE, 1, EGL_RENDERABLE_TYPE,
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EGL_OPENGL_ES2_BIT, EGL_NONE
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};
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/* try to find a matching egl config */
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if ((!eglChooseConfig(comp->egl.display, attribs,
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&comp->egl.config, 1, &n) || (n == 0)))
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{
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ERR("Could not choose EGL config: %m");
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eglTerminate(comp->egl.display);
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eglReleaseThread();
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}
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}
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}
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#endif
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/* create the input loop */
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comp->wl.input_loop = wl_event_loop_create();
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/* get the display event loop */
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comp->wl.loop = wl_display_get_event_loop(comp->wl.display);
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/* get the event loop fd */
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fd = wl_event_loop_get_fd(comp->wl.loop);
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/* add the event loop fd to main ecore */
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comp->fd_hdlr =
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ecore_main_fd_handler_add(fd, ECORE_FD_READ,
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_e_comp_cb_read, comp, NULL, NULL);
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/* add an idler for flushing clients */
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comp->idler = ecore_idle_enterer_add(_e_comp_cb_idle, comp);
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/* add the socket */
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if (wl_display_add_socket(comp->wl.display, NULL))
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{
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ERR("Failed to add socket: %m");
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goto sock_err;
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}
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wl_event_loop_dispatch(comp->wl.loop, 0);
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/* set a reference to the compositor */
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_e_comp = comp;
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return EINA_TRUE;
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sock_err:
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/* destroy the idler */
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if (comp->idler) ecore_idler_del(comp->idler);
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/* destroy the fd handler */
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if (comp->fd_hdlr) ecore_main_fd_handler_del(comp->fd_hdlr);
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/* destroy the input loop */
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if (comp->wl.input_loop) wl_event_loop_destroy(comp->wl.input_loop);
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#ifdef HAVE_WAYLAND_EGL
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/* destroy the egl display */
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if (comp->egl.display) eglTerminate(comp->egl.display);
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eglReleaseThread();
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#endif
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/* free any planes */
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EINA_LIST_FREE(comp->planes, p)
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e_plane_shutdown(p);
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global_err:
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/* destroy the previously created display */
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if (comp->wl.display) wl_display_destroy(comp->wl.display);
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return EINA_FALSE;
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}
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EAPI Eina_Bool
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e_compositor_shutdown(E_Compositor *comp)
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{
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E_Surface *es;
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E_Plane *p;
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/* free any surfaces */
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EINA_LIST_FREE(comp->surfaces, es)
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e_surface_destroy(es);
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/* free any planes */
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EINA_LIST_FREE(comp->planes, p)
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e_plane_shutdown(p);
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#ifdef HAVE_WAYLAND_EGL
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/* destroy the egl display */
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if (comp->egl.display) eglTerminate(comp->egl.display);
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eglReleaseThread();
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#endif
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/* destroy the input loop */
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if (comp->wl.input_loop) wl_event_loop_destroy(comp->wl.input_loop);
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/* destroy the fd handler */
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if (comp->fd_hdlr) ecore_main_fd_handler_del(comp->fd_hdlr);
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/* destroy the previously created display */
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if (comp->wl.display) wl_display_terminate(comp->wl.display);
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return EINA_TRUE;
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}
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EAPI E_Compositor *
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e_compositor_get(void)
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{
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return _e_comp;
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}
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EAPI void
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e_compositor_plane_stack(E_Compositor *comp, E_Plane *plane, E_Plane *above)
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{
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/* add this plane to the compositors list */
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comp->planes = eina_list_prepend_relative(comp->planes, plane, above);
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}
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EAPI int
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e_compositor_input_read(int fd EINA_UNUSED, unsigned int mask EINA_UNUSED, void *data)
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{
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E_Compositor *comp;
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if (!(comp = data)) return 1;
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wl_event_loop_dispatch(comp->wl.input_loop, 0);
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return 1;
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}
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EAPI void
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e_compositor_damage_calculate(E_Compositor *comp)
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{
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E_Plane *plane;
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E_Surface *es;
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Eina_List *l;
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pixman_region32_t clip, opaque;
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/* check for valid compositor */
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if (!comp) return;
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pixman_region32_init(&clip);
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/* loop the planes */
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EINA_LIST_FOREACH(comp->planes, l, plane)
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{
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pixman_region32_copy(&plane->clip, &clip);
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pixman_region32_init(&opaque);
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/* loop the surfaces */
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EINA_LIST_FOREACH(comp->surfaces, l, es)
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{
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if (es->plane != plane) continue;
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e_surface_damage_calculate(es, &opaque);
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}
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pixman_region32_union(&clip, &clip, &opaque);
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pixman_region32_fini(&opaque);
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}
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pixman_region32_fini(&clip);
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/* loop the surfaces */
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EINA_LIST_FOREACH(comp->surfaces, l, es)
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{
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if (!es->buffer.keep)
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e_buffer_reference(&es->buffer.reference, NULL);
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}
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}
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EAPI unsigned int
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e_compositor_get_time(void)
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{
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struct timeval tv;
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gettimeofday(&tv, NULL);
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return (tv.tv_sec * 1000 + tv.tv_usec / 1000);
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}
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EAPI E_Surface *
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e_compositor_surface_find(E_Compositor *comp, Evas_Coord x, Evas_Coord y)
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{
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E_Surface *es;
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Eina_List *l;
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/* loop the surfaces and try to find one which has these
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* coordinates contained in it's input region */
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EINA_LIST_REVERSE_FOREACH(comp->surfaces, l, es)
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{
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if (pixman_region32_contains_point(&es->input, x, y, NULL))
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return es;
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}
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return NULL;
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}
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EAPI void
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e_compositor_repick(E_Compositor *comp)
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{
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E_Input *seat;
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Eina_List *l;
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if (!comp->focus) return;
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EINA_LIST_FOREACH(comp->inputs, l, seat)
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e_input_repick(seat);
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}
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/* local functions */
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static void
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_e_comp_cb_bind(struct wl_client *client, void *data, unsigned int version EINA_UNUSED, unsigned int id)
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{
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E_Compositor *comp;
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struct wl_resource *res;
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if (!(comp = data)) return;
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res = wl_resource_create(client, &wl_compositor_interface,
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MIN(version, 3), id);
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if (res)
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wl_resource_set_implementation(res, &_e_compositor_interface, comp, NULL);
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}
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static void
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_e_comp_cb_bind_manager(struct wl_client *client, void *data EINA_UNUSED, unsigned int version EINA_UNUSED, unsigned int id)
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{
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struct wl_resource *res;
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res = wl_resource_create(client, &wl_data_device_manager_interface, 1, id);
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if (res)
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wl_resource_set_implementation(res, &_e_manager_interface, NULL, NULL);
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}
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static void
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_e_comp_cb_surface_create(struct wl_client *client, struct wl_resource *resource, unsigned int id)
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{
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E_Compositor *comp;
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E_Surface *es;
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printf("Comp Surface Create: %d\n", id);
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/* try to cast to our compositor */
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if (!(comp = resource->data)) return;
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/* try to create a new surface */
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if (!(es = e_surface_new(client, resource, id)))
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{
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wl_resource_post_no_memory(resource);
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return;
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}
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/* set destroy callback */
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wl_resource_set_destructor(es->wl.resource, _e_comp_cb_surface_destroy);
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/* ask the renderer to create any internal representation of this surface
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* that it may need */
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if (!comp->renderer->surface_create(es))
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{
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e_surface_destroy(es);
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return;
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}
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/* set surface plane to compositor primary plane */
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es->plane = &comp->plane;
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printf("\tAdding Surface: %p\n", es);
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/* add this surface to the compositors list */
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comp->surfaces = eina_list_append(comp->surfaces, es);
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}
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static void
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_e_comp_cb_surface_destroy(struct wl_resource *resource)
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{
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E_Surface *es;
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if (!(es = wl_resource_get_user_data(resource)))
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return;
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printf("Surface Destroy: %p\n", es);
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/* remove this surface from the compositor */
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_e_comp->surfaces = eina_list_remove(_e_comp->surfaces, es);
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es->wl.resource = NULL;
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e_surface_destroy(es);
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}
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static void
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_e_comp_cb_region_create(struct wl_client *client, struct wl_resource *resource, unsigned int id)
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{
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E_Compositor *comp;
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E_Region *reg;
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/* try to cast to our compositor */
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if (!(comp = resource->data)) return;
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/* try to create a new region */
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if (!(reg = e_region_new(client, id)))
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{
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wl_resource_post_no_memory(resource);
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return;
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}
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wl_resource_set_destructor(reg->resource, _e_comp_cb_region_destroy);
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}
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static void
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_e_comp_cb_region_destroy(struct wl_resource *resource)
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{
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E_Region *reg;
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/* try to get the region from this resource */
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if (!(reg = wl_resource_get_user_data(resource)))
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return;
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/* free the region */
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pixman_region32_fini(®->region);
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/* free the structure */
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E_FREE(reg);
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}
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static Eina_Bool
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_e_comp_cb_read(void *data, Ecore_Fd_Handler *hdl EINA_UNUSED)
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{
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E_Compositor *comp;
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if ((comp = data))
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{
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wl_event_loop_dispatch(comp->wl.loop, 0);
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wl_display_flush_clients(comp->wl.display);
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}
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return ECORE_CALLBACK_RENEW;
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}
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static Eina_Bool
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_e_comp_cb_idle(void *data)
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{
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E_Compositor *comp;
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if ((comp = data))
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{
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/* flush any clients before we idle */
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wl_display_flush_clients(comp->wl.display);
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}
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return ECORE_CALLBACK_RENEW;
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}
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static void
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_e_comp_data_device_cb_get(struct wl_client *client, struct wl_resource *resource EINA_UNUSED, unsigned int id, struct wl_resource *seat_resource)
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{
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E_Input *seat;
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struct wl_resource *res;
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if (!(seat = wl_resource_get_user_data(seat_resource))) return;
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res = wl_resource_create(client, &wl_data_device_interface, 1, id);
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wl_list_insert(&seat->drag_resources, wl_resource_get_link(res));
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wl_resource_set_implementation(res, &_e_data_device_interface,
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seat, _e_comp_data_device_cb_unbind);
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}
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static void
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_e_comp_data_device_cb_unbind(struct wl_resource *resource)
|
|
{
|
|
wl_list_remove(wl_resource_get_link(resource));
|
|
free(resource);
|
|
}
|
|
|
|
static Eina_Bool
|
|
_e_comp_xkb_init(E_Compositor *comp)
|
|
{
|
|
if (!(comp->xkb_context = xkb_context_new(0)))
|
|
return EINA_FALSE;
|
|
|
|
if (!comp->xkb_names.rules)
|
|
comp->xkb_names.rules = strdup("evdev");
|
|
if (!comp->xkb_names.model)
|
|
comp->xkb_names.model = strdup("pc105");
|
|
if (!comp->xkb_names.layout)
|
|
comp->xkb_names.layout = strdup("us");
|
|
|
|
return EINA_TRUE;
|
|
}
|