From e446a5300b742dd8a7f403bf96d1137e91ba1b11 Mon Sep 17 00:00:00 2001 From: Scott Anderson Date: Tue, 2 May 2017 18:13:17 +1200 Subject: Added example. --- example/CMakeLists.txt | 8 ++++ example/example-drm.c | 109 +++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 117 insertions(+) create mode 100644 example/example-drm.c (limited to 'example') diff --git a/example/CMakeLists.txt b/example/CMakeLists.txt index 73768393..dfb069b4 100644 --- a/example/CMakeLists.txt +++ b/example/CMakeLists.txt @@ -5,3 +5,11 @@ add_executable(example target_link_libraries(example wlr-backend ) + +add_executable(example-drm + example-drm.c +) + +target_link_libraries(example-drm + wlr-backend +) diff --git a/example/example-drm.c b/example/example-drm.c new file mode 100644 index 00000000..4c944226 --- /dev/null +++ b/example/example-drm.c @@ -0,0 +1,109 @@ +#define _POSIX_C_SOURCE 199309L +#include +#include +#include +#include +#include + +#include + +struct state { + float color[3]; + int dec; + + struct timespec last_frame; + + struct wl_listener add; + struct wl_listener rem; + struct wl_listener render; +}; + +void display_add(struct wl_listener *listener, void *data) +{ + struct wlr_drm_display *disp = data; + + fprintf(stderr, "Display added\n"); + wlr_drm_display_modeset(disp, "preferred"); +} + +void display_rem(struct wl_listener *listener, void *data) +{ + fprintf(stderr, "Display removed\n"); +} + +void display_render(struct wl_listener *listener, void *data) +{ + struct wlr_drm_display *disp = data; + struct state *s = wl_container_of(listener, s, render); + + struct timespec now; + clock_gettime(CLOCK_MONOTONIC, &now); + + long ms = (now.tv_sec - s->last_frame.tv_sec) * 1000 + + (now.tv_nsec - s->last_frame.tv_nsec) / 1000000; + int inc = (s->dec + 1) % 3; + + s->color[inc] += ms / 2000.0f; + s->color[s->dec] -= ms / 2000.0f; + + if (s->color[s->dec] < 0.0f) { + s->color[inc] = 1.0f; + s->color[s->dec] = 0.0f; + + s->dec = inc; + } + + s->last_frame = now; + + wlr_drm_display_begin(disp); + + glClearColor(s->color[0], s->color[1], s->color[2], 1.0); + glClear(GL_COLOR_BUFFER_BIT); + + wlr_drm_display_end(disp); +} + +int timer_done(void *data) +{ + *(bool *)data = true; + return 1; +} + +int main() +{ + if (getenv("DISPLAY")) { + fprintf(stderr, "Detected that X is running. Run this in its own virtual terminal.\n"); + return 1; + } else if (getenv("WAYLAND_DISPLAY")) { + fprintf(stderr, "Detected that Wayland is running. Run this in its own virtual terminal.\n"); + return 1; + } + + struct state state = { + .color = { 1.0, 0.0, 0.0 }, + .dec = 0, + .add = { .notify = display_add }, + .rem = { .notify = display_rem }, + .render = { .notify = display_render }, + }; + + wl_list_init(&state.add.link); + wl_list_init(&state.rem.link); + wl_list_init(&state.render.link); + clock_gettime(CLOCK_MONOTONIC, &state.last_frame); + + struct wlr_drm_backend *wlr = wlr_drm_backend_init(&state.add, &state.rem, &state.render); + + bool done = false; + struct wl_event_loop *event_loop = wlr_drm_backend_get_event_loop(wlr); + struct wl_event_source *timer = wl_event_loop_add_timer(event_loop, + timer_done, &done); + + wl_event_source_timer_update(timer, 10000); + + while (!done) + wl_event_loop_dispatch(event_loop, 0); + + wl_event_source_remove(timer); + wlr_drm_backend_free(wlr); +} -- cgit v1.2.3 From 81998fdc98231cb1b2e050da2fcec7c75d46320c Mon Sep 17 00:00:00 2001 From: Scott Anderson Date: Wed, 3 May 2017 16:23:07 +1200 Subject: Removed old session code from DRM backend. --- backend/CMakeLists.txt | 1 - backend/drm/backend.c | 26 ++--- backend/drm/session.c | 219 ------------------------------------------ backend/drm/udev.c | 11 ++- example/CMakeLists.txt | 1 + example/example-drm.c | 9 +- include/backend/drm/backend.h | 9 +- include/backend/drm/session.h | 24 ----- include/backend/drm/udev.h | 2 +- include/wlr/backend/drm.h | 6 +- session/logind.c | 3 + session/session.c | 3 + 12 files changed, 40 insertions(+), 274 deletions(-) delete mode 100644 backend/drm/session.c delete mode 100644 include/backend/drm/session.h (limited to 'example') diff --git a/backend/CMakeLists.txt b/backend/CMakeLists.txt index 184854fe..ee8b04d6 100644 --- a/backend/CMakeLists.txt +++ b/backend/CMakeLists.txt @@ -11,7 +11,6 @@ add_library(wlr-backend wayland/wl_output.c drm/backend.c drm/drm.c - drm/session.c drm/udev.c ) diff --git a/backend/drm/backend.c b/backend/drm/backend.c index 7db6e9a1..9f9a02c7 100644 --- a/backend/drm/backend.c +++ b/backend/drm/backend.c @@ -4,17 +4,16 @@ #include #include +#include #include #include "backend/drm/backend.h" #include "backend/drm/drm.h" -#include "backend/drm/session.h" #include "backend/drm/udev.h" #include "common/log.h" -struct wlr_drm_backend *wlr_drm_backend_init(struct wl_listener *add, - struct wl_listener *rem, - struct wl_listener *render) +struct wlr_drm_backend *wlr_drm_backend_init(struct wlr_session *session, + struct wl_listener *add, struct wl_listener *rem, struct wl_listener *render) { struct wlr_drm_backend *backend = calloc(1, sizeof *backend); if (!backend) { @@ -22,6 +21,8 @@ struct wlr_drm_backend *wlr_drm_backend_init(struct wl_listener *add, return NULL; } + backend->session = session; + backend->displays = list_create(); if (!backend->displays) { wlr_log(L_ERROR, "Failed to allocate list"); @@ -34,17 +35,12 @@ struct wlr_drm_backend *wlr_drm_backend_init(struct wl_listener *add, goto error_list; } - if (!wlr_session_start(&backend->session)) { - wlr_log(L_ERROR, "Failed to start session"); - goto error_loop; - } - if (!wlr_udev_init(backend)) { wlr_log(L_ERROR, "Failed to start udev"); - goto error_session; + goto error_loop; } - backend->fd = wlr_udev_find_gpu(&backend->udev, &backend->session); + backend->fd = wlr_udev_find_gpu(&backend->udev, backend->session); if (backend->fd == -1) { wlr_log(L_ERROR, "Failed to open DRM device"); goto error_udev; @@ -71,11 +67,9 @@ struct wlr_drm_backend *wlr_drm_backend_init(struct wl_listener *add, return backend; error_fd: - wlr_session_release_device(&backend->session, backend->fd); + wlr_session_close_file(backend->session, backend->fd); error_udev: wlr_udev_free(&backend->udev); -error_session: - wlr_session_end(&backend->session); error_loop: wl_event_loop_destroy(backend->event_loop); error_list: @@ -101,8 +95,8 @@ void wlr_drm_backend_free(struct wlr_drm_backend *backend) wlr_drm_renderer_free(&backend->renderer); wlr_udev_free(&backend->udev); - wlr_session_release_device(&backend->session, backend->fd); - wlr_session_end(&backend->session); + wlr_session_close_file(backend->session, backend->fd); + wlr_session_finish(backend->session); wl_event_source_remove(backend->event_src.drm); wl_event_source_remove(backend->event_src.udev); diff --git a/backend/drm/session.c b/backend/drm/session.c deleted file mode 100644 index 073f822b..00000000 --- a/backend/drm/session.c +++ /dev/null @@ -1,219 +0,0 @@ -#define _POSIX_C_SOURCE 200809L - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "backend/drm/backend.h" -#include "backend/drm/session.h" -#include "common/log.h" - -int wlr_session_take_device(struct wlr_session *restrict session, - const char *restrict path, - bool *restrict paused_out) -{ - int ret; - int fd = -1; - sd_bus_message *msg = NULL; - sd_bus_error error = SD_BUS_ERROR_NULL; - - struct stat st; - if (stat(path, &st) < 0) { - wlr_log(L_ERROR, "Failed to stat '%s'", path); - return -1; - } - - ret = sd_bus_call_method(session->bus, - "org.freedesktop.login1", - session->path, - "org.freedesktop.login1.Session", - "TakeDevice", - &error, &msg, - "uu", major(st.st_rdev), minor(st.st_rdev)); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to take device '%s': %s", path, error.message); - goto error; - } - - int paused = 0; - ret = sd_bus_message_read(msg, "hb", &fd, &paused); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to parse DBus response for '%s': %s", - path, strerror(-ret)); - goto error; - } - - // The original fd seem to be closed when the message is freed - // so we just clone it. - fd = fcntl(fd, F_DUPFD_CLOEXEC, 0); - if (fd == -1) { - wlr_log(L_ERROR, "Failed to clone file descriptor for '%s': %s", - path, strerror(errno)); - goto error; - } - - if (paused_out) - *paused_out = paused; - -error: - sd_bus_error_free(&error); - sd_bus_message_unref(msg); - return fd; -} - -void wlr_session_release_device(struct wlr_session *session, int fd) -{ - int ret; - sd_bus_message *msg = NULL; - sd_bus_error error = SD_BUS_ERROR_NULL; - - struct stat st; - if (fstat(fd, &st) < 0) { - wlr_log(L_ERROR, "Failed to stat device '%d'", fd); - return; - } - - ret = sd_bus_call_method(session->bus, - "org.freedesktop.login1", - session->path, - "org.freedesktop.login1.Session", - "ReleaseDevice", - &error, &msg, - "uu", major(st.st_rdev), minor(st.st_rdev)); - if (ret < 0) - wlr_log(L_ERROR, "Failed to release device '%d'", fd); - - sd_bus_error_free(&error); - sd_bus_message_unref(msg); -} - -static bool session_activate(struct wlr_session *session) -{ - int ret; - sd_bus_message *msg = NULL; - sd_bus_error error = SD_BUS_ERROR_NULL; - - ret = sd_bus_call_method(session->bus, - "org.freedesktop.login1", - session->path, - "org.freedesktop.login1.Session", - "Activate", - &error, &msg, - ""); - if (ret < 0) - wlr_log(L_ERROR, "Failed to activate session"); - - sd_bus_error_free(&error); - sd_bus_message_unref(msg); - return ret >= 0; -} - -static bool take_control(struct wlr_session *session) -{ - int ret; - sd_bus_message *msg = NULL; - sd_bus_error error = SD_BUS_ERROR_NULL; - - ret = sd_bus_call_method(session->bus, - "org.freedesktop.login1", - session->path, - "org.freedesktop.login1.Session", - "TakeControl", - &error, &msg, - "b", false); - if (ret < 0) - wlr_log(L_ERROR, "Failed to take control of session"); - - sd_bus_error_free(&error); - sd_bus_message_unref(msg); - return ret >= 0; -} - -static void release_control(struct wlr_session *session) -{ - int ret; - sd_bus_message *msg = NULL; - sd_bus_error error = SD_BUS_ERROR_NULL; - - ret = sd_bus_call_method(session->bus, - "org.freedesktop.login1", - session->path, - "org.freedesktop.login1.Session", - "ReleaseControl", - &error, &msg, - ""); - if (ret < 0) - wlr_log(L_ERROR, "Failed to release control of session"); - - sd_bus_error_free(&error); - sd_bus_message_unref(msg); -} - -void wlr_session_end(struct wlr_session *session) -{ - release_control(session); - - sd_bus_unref(session->bus); - free(session->id); - free(session->path); - free(session->seat); -} - -bool wlr_session_start(struct wlr_session *session) -{ - int ret; - - ret = sd_pid_get_session(getpid(), &session->id); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to get session id: %s", strerror(-ret)); - goto error; - } - - ret = sd_session_get_seat(session->id, &session->seat); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to get seat id: %s", strerror(-ret)); - goto error; - } - - // This could be done using asprintf, but I don't want to define _GNU_SOURCE - - const char *fmt = "/org/freedesktop/login1/session/%s"; - int len = snprintf(NULL, 0, fmt, session->id); - - session->path = malloc(len + 1); - if (!session->path) - goto error; - - sprintf(session->path, fmt, session->id); - - ret = sd_bus_default_system(&session->bus); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to open DBus connection: %s", strerror(-ret)); - goto error; - } - - if (!session_activate(session)) - goto error_bus; - - if (!take_control(session)) - goto error_bus; - - return true; - -error_bus: - sd_bus_unref(session->bus); - -error: - free(session->path); - free(session->id); - free(session->seat); - return false; -} diff --git a/backend/drm/udev.c b/backend/drm/udev.c index ae99bcfc..6921a998 100644 --- a/backend/drm/udev.c +++ b/backend/drm/udev.c @@ -9,9 +9,10 @@ #include #include +#include + #include "backend/drm/backend.h" #include "backend/drm/udev.h" -#include "backend/drm/session.h" #include "backend/drm/drm.h" #include "common/log.h" @@ -26,7 +27,7 @@ static bool device_is_kms(struct wlr_udev *udev, if (!path) return false; - fd = wlr_session_take_device(session, path, NULL); + fd = wlr_session_open_file(session, path); if (fd < 0) return false; @@ -39,7 +40,7 @@ static bool device_is_kms(struct wlr_udev *udev, goto out_res; if (*fd_out >= 0) { - wlr_session_release_device(session, *fd_out); + wlr_session_close_file(session, *fd_out); free(udev->drm_path); } @@ -52,7 +53,7 @@ static bool device_is_kms(struct wlr_udev *udev, out_res: drmModeFreeResources(res); out_fd: - wlr_session_release_device(session, fd); + wlr_session_close_file(session, fd); return false; } @@ -79,6 +80,7 @@ int wlr_udev_find_gpu(struct wlr_udev *udev, struct wlr_session *session) if (!dev) continue; + /* const char *seat = udev_device_get_property_value(dev, "ID_SEAT"); if (!seat) seat = "seat0"; @@ -86,6 +88,7 @@ int wlr_udev_find_gpu(struct wlr_udev *udev, struct wlr_session *session) udev_device_unref(dev); continue; } + */ struct udev_device *pci = udev_device_get_parent_with_subsystem_devtype(dev, "pci", NULL); diff --git a/example/CMakeLists.txt b/example/CMakeLists.txt index dfb069b4..fb2f3823 100644 --- a/example/CMakeLists.txt +++ b/example/CMakeLists.txt @@ -12,4 +12,5 @@ add_executable(example-drm target_link_libraries(example-drm wlr-backend + wlr-session ) diff --git a/example/example-drm.c b/example/example-drm.c index 4c944226..a3a2a8fd 100644 --- a/example/example-drm.c +++ b/example/example-drm.c @@ -6,6 +6,7 @@ #include #include +#include struct state { float color[3]; @@ -92,7 +93,13 @@ int main() wl_list_init(&state.render.link); clock_gettime(CLOCK_MONOTONIC, &state.last_frame); - struct wlr_drm_backend *wlr = wlr_drm_backend_init(&state.add, &state.rem, &state.render); + struct wlr_session *session = wlr_session_start(); + if (!session) { + return 1; + } + + struct wlr_drm_backend *wlr = wlr_drm_backend_init(session, + &state.add, &state.rem, &state.render); bool done = false; struct wl_event_loop *event_loop = wlr_drm_backend_get_event_loop(wlr); diff --git a/include/backend/drm/backend.h b/include/backend/drm/backend.h index 1ad8e479..32182d0c 100644 --- a/include/backend/drm/backend.h +++ b/include/backend/drm/backend.h @@ -8,10 +8,10 @@ #include #include +#include #include #include -#include "session.h" #include "udev.h" #include "event.h" #include "drm.h" @@ -38,13 +38,12 @@ struct wlr_drm_backend { uint32_t taken_crtcs; struct wlr_drm_renderer renderer; - struct wlr_session session; + struct wlr_session *session; struct wlr_udev udev; }; -struct wlr_drm_backend *wlr_drm_backend_init(struct wl_listener *add, - struct wl_listener *rem, - struct wl_listener *render); +struct wlr_drm_backend *wlr_drm_backend_init(struct wlr_session *session, + struct wl_listener *add, struct wl_listener *rem, struct wl_listener *render); void wlr_drm_backend_free(struct wlr_drm_backend *backend); #endif diff --git a/include/backend/drm/session.h b/include/backend/drm/session.h deleted file mode 100644 index 6936b19a..00000000 --- a/include/backend/drm/session.h +++ /dev/null @@ -1,24 +0,0 @@ -#ifndef SESSION_H -#define SESSION_H - -#include -#include - -struct wlr_session { - sd_bus *bus; - - char *id; - char *path; - char *seat; -}; - -bool wlr_session_start(struct wlr_session *session); -void wlr_session_end(struct wlr_session *session); - -int wlr_session_take_device(struct wlr_session *restrict session, - const char *restrict path, - bool *restrict paused_out); - -void wlr_session_release_device(struct wlr_session *session, int fd); - -#endif diff --git a/include/backend/drm/udev.h b/include/backend/drm/udev.h index 576b5d6e..a09ee218 100644 --- a/include/backend/drm/udev.h +++ b/include/backend/drm/udev.h @@ -3,7 +3,7 @@ #include -#include "backend/drm/session.h" +#include struct wlr_udev { struct udev *udev; diff --git a/include/wlr/backend/drm.h b/include/wlr/backend/drm.h index 5179db4b..ede43fda 100644 --- a/include/wlr/backend/drm.h +++ b/include/wlr/backend/drm.h @@ -2,13 +2,13 @@ #define WLR_BACKEND_DRM_H #include +#include struct wlr_drm_backend; struct wlr_drm_display; -struct wlr_drm_backend *wlr_drm_backend_init(struct wl_listener *add, - struct wl_listener *rem, - struct wl_listener *render); +struct wlr_drm_backend *wlr_drm_backend_init(struct wlr_session *session, + struct wl_listener *add, struct wl_listener *rem, struct wl_listener *render); void wlr_drm_backend_free(struct wlr_drm_backend *backend); struct wl_event_loop *wlr_drm_backend_get_event_loop(struct wlr_drm_backend *backend); diff --git a/session/logind.c b/session/logind.c index c81a2020..0d8a52b5 100644 --- a/session/logind.c +++ b/session/logind.c @@ -200,6 +200,9 @@ static struct wlr_session *logind_session_start(void) { if (!take_control(session)) goto error_bus; + wl_log(L_INFO, "Successfully loaded logind session"); + + session->base.iface = session_logind_iface; return &session->base; error_bus: diff --git a/session/session.c b/session/session.c index 88391e6e..2f1b87be 100644 --- a/session/session.c +++ b/session/session.c @@ -1,6 +1,8 @@ #include #include +#include +#include "common/log.h" #include "session/interface.h" static const struct session_interface *ifaces[] = { @@ -20,6 +22,7 @@ struct wlr_session *wlr_session_start(void) { } } + wlr_log(L_ERROR, "Failed to load session backend"); return NULL; } -- cgit v1.2.3 From 18387468bb9936d0e311c4a46535cfa93df277dc Mon Sep 17 00:00:00 2001 From: Scott Anderson Date: Wed, 3 May 2017 17:49:03 +1200 Subject: Renamed 'wlr_drm_display' to 'wlr_drm_output' --- backend/drm/backend.c | 30 ++--- backend/drm/drm.c | 283 +++++++++++++++++++++--------------------- example/example-drm.c | 26 ++-- include/backend/drm/backend.h | 8 +- include/backend/drm/drm.h | 22 ++-- include/wlr/backend/drm.h | 8 +- 6 files changed, 187 insertions(+), 190 deletions(-) (limited to 'example') diff --git a/backend/drm/backend.c b/backend/drm/backend.c index 9f9a02c7..03e34d97 100644 --- a/backend/drm/backend.c +++ b/backend/drm/backend.c @@ -23,8 +23,8 @@ struct wlr_drm_backend *wlr_drm_backend_init(struct wlr_session *session, backend->session = session; - backend->displays = list_create(); - if (!backend->displays) { + backend->outputs = list_create(); + if (!backend->outputs) { wlr_log(L_ERROR, "Failed to allocate list"); goto error_backend; } @@ -51,16 +51,16 @@ struct wlr_drm_backend *wlr_drm_backend_init(struct wlr_session *session, goto error_fd; } - wl_signal_init(&backend->signals.display_add); - wl_signal_init(&backend->signals.display_rem); - wl_signal_init(&backend->signals.display_render); + wl_signal_init(&backend->signals.output_add); + wl_signal_init(&backend->signals.output_rem); + wl_signal_init(&backend->signals.output_render); if (add) - wl_signal_add(&backend->signals.display_add, add); + wl_signal_add(&backend->signals.output_add, add); if (rem) - wl_signal_add(&backend->signals.display_rem, rem); + wl_signal_add(&backend->signals.output_rem, rem); if (render) - wl_signal_add(&backend->signals.display_render, render); + wl_signal_add(&backend->signals.output_render, render); wlr_drm_scan_connectors(backend); @@ -73,17 +73,17 @@ error_udev: error_loop: wl_event_loop_destroy(backend->event_loop); error_list: - list_free(backend->displays); + list_free(backend->outputs); error_backend: free(backend); return NULL; } -static void free_display(void *item) +static void free_output(void *item) { - struct wlr_drm_display *disp = item; - wlr_drm_display_free(disp, true); - free(disp); + struct wlr_drm_output *out = item; + wlr_drm_output_free(out, true); + free(out); } void wlr_drm_backend_free(struct wlr_drm_backend *backend) @@ -91,7 +91,7 @@ void wlr_drm_backend_free(struct wlr_drm_backend *backend) if (!backend) return; - list_foreach(backend->displays, free_display); + list_foreach(backend->outputs, free_output); wlr_drm_renderer_free(&backend->renderer); wlr_udev_free(&backend->udev); @@ -102,7 +102,7 @@ void wlr_drm_backend_free(struct wlr_drm_backend *backend) wl_event_source_remove(backend->event_src.udev); wl_event_loop_destroy(backend->event_loop); - list_free(backend->displays); + list_free(backend->outputs); free(backend); } diff --git a/backend/drm/drm.c b/backend/drm/drm.c index 617dd74a..13971687 100644 --- a/backend/drm/drm.c +++ b/backend/drm/drm.c @@ -37,23 +37,19 @@ static const char *conn_name[] = { [DRM_MODE_CONNECTOR_DSI] = "DSI", }; -static void page_flip_handler(int fd, - unsigned seq, - unsigned tv_sec, - unsigned tv_usec, - void *user) -{ - struct wlr_drm_display *disp = user; - struct wlr_drm_backend *backend = disp->renderer->backend; - - disp->pageflip_pending = true; - if (!disp->cleanup) - wl_signal_emit(&backend->signals.display_render, disp); -} +static void page_flip_handler(int fd, unsigned seq, unsigned tv_sec, unsigned tv_usec, + void *user) { + + struct wlr_drm_output *out = user; + struct wlr_drm_backend *backend = out->renderer->backend; + out->pageflip_pending = true; + if (!out->cleanup) { + wl_signal_emit(&backend->signals.output_render, out); + } +} -static int drm_event(int fd, uint32_t mask, void *data) -{ +static int drm_event(int fd, uint32_t mask, void *data) { drmEventContext event = { .version = DRM_EVENT_CONTEXT_VERSION, .page_flip_handler = page_flip_handler, @@ -65,8 +61,8 @@ static int drm_event(int fd, uint32_t mask, void *data) } bool wlr_drm_renderer_init(struct wlr_drm_renderer *renderer, - struct wlr_drm_backend *backend, int fd) -{ + struct wlr_drm_backend *backend, int fd) { + renderer->gbm = gbm_create_device(fd); if (!renderer->gbm) { wlr_log(L_ERROR, "Failed to create GBM device: %s", strerror(errno)); @@ -98,30 +94,29 @@ error_gbm: return false; } -void wlr_drm_renderer_free(struct wlr_drm_renderer *renderer) -{ - if (!renderer) +void wlr_drm_renderer_free(struct wlr_drm_renderer *renderer) { + if (!renderer) { return; + } wlr_egl_free(&renderer->egl); gbm_device_destroy(renderer->gbm); } -static int find_id(const void *item, const void *cmp_to) -{ - const struct wlr_drm_display *disp = item; +static int find_id(const void *item, const void *cmp_to) { + const struct wlr_drm_output *out = item; const uint32_t *id = cmp_to; - if (disp->connector < *id) + if (out->connector < *id) { return -1; - else if (disp->connector > *id) + } else if (out->connector > *id) { return 1; - else + } else { return 0; + } } -void wlr_drm_scan_connectors(struct wlr_drm_backend *backend) -{ +void wlr_drm_scan_connectors(struct wlr_drm_backend *backend) { drmModeRes *res = drmModeGetResources(backend->fd); if (!res) { wlr_log(L_ERROR, "Failed to get DRM resources"); @@ -137,42 +132,44 @@ void wlr_drm_scan_connectors(struct wlr_drm_backend *backend) continue; } - struct wlr_drm_display *disp; - int index = list_seq_find(backend->displays, find_id, &id); + struct wlr_drm_output *out; + int index = list_seq_find(backend->outputs, find_id, &id); if (index == -1) { - disp = calloc(1, sizeof *disp); - if (!disp) { + out = calloc(1, sizeof *out); + if (!out) { wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno)); drmModeFreeConnector(conn); continue; } - disp->renderer = &backend->renderer; - disp->state = DRM_DISP_DISCONNECTED; - disp->connector = res->connectors[i]; - snprintf(disp->name, sizeof disp->name, "%s-%"PRIu32, + out->renderer = &backend->renderer; + out->state = DRM_OUTPUT_DISCONNECTED; + out->connector = res->connectors[i]; + snprintf(out->name, sizeof out->name, "%s-%"PRIu32, conn_name[conn->connector_type], conn->connector_type_id); - list_add(backend->displays, disp); - wlr_log(L_INFO, "Found display '%s'", disp->name); + list_add(backend->outputs, out); + wlr_log(L_INFO, "Found display '%s'", out->name); } else { - disp = backend->displays->items[index]; + out = backend->outputs->items[index]; } - if (disp->state == DRM_DISP_DISCONNECTED && - conn->connection == DRM_MODE_CONNECTED) { - disp->state = DRM_DISP_NEEDS_MODESET; - wlr_log(L_INFO, "Sending modesetting signal for '%s'", disp->name); - wl_signal_emit(&backend->signals.display_add, disp); - - } else if (disp->state == DRM_DISP_CONNECTED && - conn->connection != DRM_MODE_CONNECTED) { - disp->state = DRM_DISP_DISCONNECTED; - wlr_drm_display_free(disp, false); - wlr_log(L_INFO, "Sending destruction signal for '%s'", disp->name); - wl_signal_emit(&backend->signals.display_rem, disp); + if (out->state == DRM_OUTPUT_DISCONNECTED && + conn->connection == DRM_MODE_CONNECTED) { + + out->state = DRM_OUTPUT_NEEDS_MODESET; + wlr_log(L_INFO, "Sending modesetting signal for '%s'", out->name); + wl_signal_emit(&backend->signals.output_add, out); + + } else if (out->state == DRM_OUTPUT_CONNECTED && + conn->connection != DRM_MODE_CONNECTED) { + + out->state = DRM_OUTPUT_DISCONNECTED; + wlr_drm_output_free(out, false); + wlr_log(L_INFO, "Sending destruction signal for '%s'", out->name); + wl_signal_emit(&backend->signals.output_rem, out); } drmModeFreeConnector(conn); @@ -181,22 +178,22 @@ void wlr_drm_scan_connectors(struct wlr_drm_backend *backend) drmModeFreeResources(res); } -static void free_fb(struct gbm_bo *bo, void *data) -{ +static void free_fb(struct gbm_bo *bo, void *data) { uint32_t *id = data; - if (id && *id) + if (id && *id) { drmModeRmFB(gbm_bo_get_fd(bo), *id); + } free(id); } -static uint32_t get_fb_for_bo(int fd, struct gbm_bo *bo) -{ +static uint32_t get_fb_for_bo(int fd, struct gbm_bo *bo) { uint32_t *id = gbm_bo_get_user_data(bo); - if (id) + if (id) { return *id; + } id = calloc(1, sizeof *id); if (!id) { @@ -213,55 +210,52 @@ static uint32_t get_fb_for_bo(int fd, struct gbm_bo *bo) } static bool display_init_renderer(struct wlr_drm_renderer *renderer, - struct wlr_drm_display *disp) -{ - disp->renderer = renderer; - - disp->gbm = gbm_surface_create(renderer->gbm, - disp->width, disp->height, - GBM_FORMAT_XRGB8888, - GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING); - if (!disp->gbm) { - wlr_log(L_ERROR, "Failed to create GBM surface for %s: %s", disp->name, + struct wlr_drm_output *out) { + + out->renderer = renderer; + + out->gbm = gbm_surface_create(renderer->gbm, out->width, out->height, + GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING); + if (!out->gbm) { + wlr_log(L_ERROR, "Failed to create GBM surface for %s: %s", out->name, strerror(errno)); return false; } - disp->egl = wlr_egl_create_surface(&renderer->egl, disp->gbm); - if (disp->egl == EGL_NO_SURFACE) { - wlr_log(L_ERROR, "Failed to create EGL surface for %s", disp->name); + out->egl = wlr_egl_create_surface(&renderer->egl, out->gbm); + if (out->egl == EGL_NO_SURFACE) { + wlr_log(L_ERROR, "Failed to create EGL surface for %s", out->name); return false; } // Render black frame - eglMakeCurrent(renderer->egl.display, disp->egl, disp->egl, renderer->egl.context); + eglMakeCurrent(renderer->egl.display, out->egl, out->egl, renderer->egl.context); - glViewport(0, 0, disp->width, disp->height); + glViewport(0, 0, out->width, out->height); glClearColor(0.0, 0.0, 0.0, 1.0); glClear(GL_COLOR_BUFFER_BIT); - eglSwapBuffers(renderer->egl.display, disp->egl); + eglSwapBuffers(renderer->egl.display, out->egl); - struct gbm_bo *bo = gbm_surface_lock_front_buffer(disp->gbm); + struct gbm_bo *bo = gbm_surface_lock_front_buffer(out->gbm); uint32_t fb_id = get_fb_for_bo(renderer->fd, bo); - drmModeSetCrtc(renderer->fd, disp->crtc, fb_id, 0, 0, - &disp->connector, 1, disp->active_mode); - drmModePageFlip(renderer->fd, disp->crtc, fb_id, DRM_MODE_PAGE_FLIP_EVENT, disp); + drmModeSetCrtc(renderer->fd, out->crtc, fb_id, 0, 0, + &out->connector, 1, out->active_mode); + drmModePageFlip(renderer->fd, out->crtc, fb_id, DRM_MODE_PAGE_FLIP_EVENT, out); - gbm_surface_release_buffer(disp->gbm, bo); + gbm_surface_release_buffer(out->gbm, bo); return true; } -static drmModeModeInfo *select_mode(size_t num_modes, - drmModeModeInfo modes[static num_modes], - drmModeCrtc *old_crtc, - const char *str) -{ - if (strcmp(str, "preferred") == 0) +static drmModeModeInfo *select_mode(size_t num_modes, drmModeModeInfo modes[static num_modes], + drmModeCrtc *old_crtc, const char *str) { + + if (strcmp(str, "preferred") == 0) { return &modes[0]; + } if (strcmp(str, "current") == 0) { if (!old_crtc) { @@ -270,8 +264,9 @@ static drmModeModeInfo *select_mode(size_t num_modes, } for (size_t i = 0; i < num_modes; ++i) { - if (memcmp(&modes[i], &old_crtc->mode, sizeof modes[0]) == 0) + if (memcmp(&modes[i], &old_crtc->mode, sizeof modes[0]) == 0) { return &modes[i]; + } } // We should never get here @@ -289,55 +284,57 @@ static drmModeModeInfo *select_mode(size_t num_modes, } for (size_t i = 0; i < num_modes; ++i) { - if (modes[i].hdisplay == width && - modes[i].vdisplay == height && - (!rate || modes[i].vrefresh == rate)) + if (modes[i].hdisplay == width && modes[i].vdisplay == height && + (!rate || modes[i].vrefresh == rate)) { + return &modes[i]; + } } wlr_log(L_ERROR, "Unable to find mode %ux%u@%u", width, height, rate); return NULL; } -bool wlr_drm_display_modeset(struct wlr_drm_display *disp, const char *str) -{ - struct wlr_drm_backend *backend = disp->renderer->backend; - wlr_log(L_INFO, "Modesetting %s with '%s'", disp->name, str); +bool wlr_drm_output_modeset(struct wlr_drm_output *out, const char *str) { + struct wlr_drm_backend *backend = out->renderer->backend; + wlr_log(L_INFO, "Modesetting %s with '%s'", out->name, str); - drmModeConnector *conn = drmModeGetConnector(backend->fd, disp->connector); + drmModeConnector *conn = drmModeGetConnector(backend->fd, out->connector); if (!conn) { wlr_log(L_ERROR, "Failed to get DRM connector"); goto error; } if (conn->connection != DRM_MODE_CONNECTED || conn->count_modes == 0) { - wlr_log(L_ERROR, "%s is not connected", disp->name); + wlr_log(L_ERROR, "%s is not connected", out->name); goto error; } - disp->num_modes = conn->count_modes; - disp->modes = malloc(sizeof *disp->modes * disp->num_modes); - if (!disp->modes) { + out->num_modes = conn->count_modes; + out->modes = malloc(sizeof *out->modes * out->num_modes); + if (!out->modes) { wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno)); goto error; } - memcpy(disp->modes, conn->modes, sizeof *disp->modes * disp->num_modes); + memcpy(out->modes, conn->modes, sizeof *out->modes * out->num_modes); wlr_log(L_INFO, "Detected modes:"); - for (size_t i = 0; i < disp->num_modes; ++i) + for (size_t i = 0; i < out->num_modes; ++i) { wlr_log(L_INFO, " %"PRIu16"@%"PRIu16"@%"PRIu32, - disp->modes[i].hdisplay, disp->modes[i].vdisplay, - disp->modes[i].vrefresh); + out->modes[i].hdisplay, out->modes[i].vdisplay, + out->modes[i].vrefresh); + } drmModeEncoder *curr_enc = drmModeGetEncoder(backend->fd, conn->encoder_id); if (curr_enc) { - disp->old_crtc = drmModeGetCrtc(backend->fd, curr_enc->crtc_id); + out->old_crtc = drmModeGetCrtc(backend->fd, curr_enc->crtc_id); free(curr_enc); } - disp->active_mode = select_mode(disp->num_modes, disp->modes, disp->old_crtc, str); - if (!disp->active_mode) { - wlr_log(L_ERROR, "Failed to configure %s", disp->name); + out->active_mode = select_mode(out->num_modes, out->modes, + out->old_crtc, str); + if (!out->active_mode) { + wlr_log(L_ERROR, "Failed to configure %s", out->name); goto error; } @@ -354,12 +351,13 @@ bool wlr_drm_display_modeset(struct wlr_drm_display *disp, const char *str) continue; for (int j = 0; j < res->count_crtcs; ++j) { - if ((enc->possible_crtcs & (1 << j)) == 0) + if ((enc->possible_crtcs & (1 << j)) == 0) { continue; + } if ((backend->taken_crtcs & (1 << j)) == 0) { backend->taken_crtcs |= 1 << j; - disp->crtc = res->crtcs[j]; + out->crtc = res->crtcs[j]; success = true; break; @@ -372,55 +370,56 @@ bool wlr_drm_display_modeset(struct wlr_drm_display *disp, const char *str) drmModeFreeResources(res); if (!success) { - wlr_log(L_ERROR, "Failed to find CRTC for %s", disp->name); + wlr_log(L_ERROR, "Failed to find CRTC for %s", out->name); goto error; } - disp->state = DRM_DISP_CONNECTED; + out->state = DRM_OUTPUT_CONNECTED; - disp->width = disp->active_mode->hdisplay; - disp->height = disp->active_mode->vdisplay; + out->width = out->active_mode->hdisplay; + out->height = out->active_mode->vdisplay; - if (!display_init_renderer(&backend->renderer, disp)) { - wlr_log(L_ERROR, "Failed to initalise renderer for %s", disp->name); + if (!display_init_renderer(&backend->renderer, out)) { + wlr_log(L_ERROR, "Failed to initalise renderer for %s", out->name); goto error; } drmModeFreeConnector(conn); wlr_log(L_INFO, "Configuring %s with mode %"PRIu16"x%"PRIu16"@%"PRIu32"", - disp->name, disp->active_mode->hdisplay, disp->active_mode->vdisplay, - disp->active_mode->vrefresh); + out->name, out->active_mode->hdisplay, out->active_mode->vdisplay, + out->active_mode->vrefresh); return true; error: - disp->state = DRM_DISP_DISCONNECTED; + out->state = DRM_OUTPUT_DISCONNECTED; drmModeFreeConnector(conn); - free(disp->modes); + free(out->modes); - wl_signal_emit(&backend->signals.display_rem, disp); + wl_signal_emit(&backend->signals.output_rem, out); return false; } -void wlr_drm_display_free(struct wlr_drm_display *disp, bool restore) -{ - if (!disp || disp->state != DRM_DISP_CONNECTED) +void wlr_drm_output_free(struct wlr_drm_output *out, bool restore) { + if (!out || out->state != DRM_OUTPUT_CONNECTED) { return; + } - struct wlr_drm_renderer *renderer = disp->renderer; + struct wlr_drm_renderer *renderer = out->renderer; - eglDestroySurface(renderer->egl.display, disp->egl); - gbm_surface_destroy(disp->gbm); + eglDestroySurface(renderer->egl.display, out->egl); + gbm_surface_destroy(out->gbm); - free(disp->modes); - disp->state = DRM_DISP_DISCONNECTED; + free(out->modes); + out->state = DRM_OUTPUT_DISCONNECTED; - if (!restore) + if (!restore) { return; + } - drmModeCrtc *crtc = disp->old_crtc; + drmModeCrtc *crtc = out->old_crtc; if (crtc) { // Wait for exising page flips to finish @@ -429,34 +428,32 @@ void wlr_drm_display_free(struct wlr_drm_display *disp, bool restore) .page_flip_handler = page_flip_handler, }; - disp->cleanup = true; - while (disp->pageflip_pending) + out->cleanup = true; + while (out->pageflip_pending) drmHandleEvent(renderer->fd, &event); drmModeSetCrtc(renderer->fd, crtc->crtc_id, crtc->buffer_id, - crtc->x, crtc->y, &disp->connector, + crtc->x, crtc->y, &out->connector, 1, &crtc->mode); drmModeFreeCrtc(crtc); } } -void wlr_drm_display_begin(struct wlr_drm_display *disp) -{ - struct wlr_drm_renderer *renderer = disp->renderer; - eglMakeCurrent(renderer->egl.display, disp->egl, disp->egl, renderer->egl.context); +void wlr_drm_output_begin(struct wlr_drm_output *out) { + struct wlr_drm_renderer *renderer = out->renderer; + eglMakeCurrent(renderer->egl.display, out->egl, out->egl, renderer->egl.context); } -void wlr_drm_display_end(struct wlr_drm_display *disp) -{ - struct wlr_drm_renderer *renderer = disp->renderer; - eglSwapBuffers(renderer->egl.display, disp->egl); +void wlr_drm_output_end(struct wlr_drm_output *out) { + struct wlr_drm_renderer *renderer = out->renderer; + eglSwapBuffers(renderer->egl.display, out->egl); - struct gbm_bo *bo = gbm_surface_lock_front_buffer(disp->gbm); + struct gbm_bo *bo = gbm_surface_lock_front_buffer(out->gbm); uint32_t fb_id = get_fb_for_bo(renderer->fd, bo); - drmModePageFlip(renderer->fd, disp->crtc, fb_id, DRM_MODE_PAGE_FLIP_EVENT, disp); + drmModePageFlip(renderer->fd, out->crtc, fb_id, DRM_MODE_PAGE_FLIP_EVENT, out); - gbm_surface_release_buffer(disp->gbm, bo); + gbm_surface_release_buffer(out->gbm, bo); - disp->pageflip_pending = false; + out->pageflip_pending = false; } diff --git a/example/example-drm.c b/example/example-drm.c index a3a2a8fd..072e5ce4 100644 --- a/example/example-drm.c +++ b/example/example-drm.c @@ -19,22 +19,22 @@ struct state { struct wl_listener render; }; -void display_add(struct wl_listener *listener, void *data) +void output_add(struct wl_listener *listener, void *data) { - struct wlr_drm_display *disp = data; + struct wlr_drm_output *out = data; - fprintf(stderr, "Display added\n"); - wlr_drm_display_modeset(disp, "preferred"); + fprintf(stderr, "Output added\n"); + wlr_drm_output_modeset(out, "preferred"); } -void display_rem(struct wl_listener *listener, void *data) +void output_rem(struct wl_listener *listener, void *data) { - fprintf(stderr, "Display removed\n"); + fprintf(stderr, "Output removed\n"); } -void display_render(struct wl_listener *listener, void *data) +void output_render(struct wl_listener *listener, void *data) { - struct wlr_drm_display *disp = data; + struct wlr_drm_output *out = data; struct state *s = wl_container_of(listener, s, render); struct timespec now; @@ -56,12 +56,12 @@ void display_render(struct wl_listener *listener, void *data) s->last_frame = now; - wlr_drm_display_begin(disp); + wlr_drm_output_begin(out); glClearColor(s->color[0], s->color[1], s->color[2], 1.0); glClear(GL_COLOR_BUFFER_BIT); - wlr_drm_display_end(disp); + wlr_drm_output_end(out); } int timer_done(void *data) @@ -83,9 +83,9 @@ int main() struct state state = { .color = { 1.0, 0.0, 0.0 }, .dec = 0, - .add = { .notify = display_add }, - .rem = { .notify = display_rem }, - .render = { .notify = display_render }, + .add = { .notify = output_add }, + .rem = { .notify = output_rem }, + .render = { .notify = output_render }, }; wl_list_init(&state.add.link); diff --git a/include/backend/drm/backend.h b/include/backend/drm/backend.h index 32182d0c..d6093bc2 100644 --- a/include/backend/drm/backend.h +++ b/include/backend/drm/backend.h @@ -28,12 +28,12 @@ struct wlr_drm_backend { } event_src; struct { - struct wl_signal display_add; - struct wl_signal display_rem; - struct wl_signal display_render; + struct wl_signal output_add; + struct wl_signal output_rem; + struct wl_signal output_render; } signals; - list_t *displays; + list_t *outputs; uint32_t taken_crtcs; diff --git a/include/backend/drm/drm.h b/include/backend/drm/drm.h index 346974ca..6c3bb49f 100644 --- a/include/backend/drm/drm.h +++ b/include/backend/drm/drm.h @@ -25,15 +25,15 @@ bool wlr_drm_renderer_init(struct wlr_drm_renderer *renderer, struct wlr_drm_backend *backend, int fd); void wlr_drm_renderer_free(struct wlr_drm_renderer *renderer); -enum wlr_drm_display_state { - DRM_DISP_INVALID, - DRM_DISP_DISCONNECTED, - DRM_DISP_NEEDS_MODESET, - DRM_DISP_CONNECTED, +enum wlr_drm_output_state { + DRM_OUTPUT_INVALID, + DRM_OUTPUT_DISCONNECTED, + DRM_OUTPUT_NEEDS_MODESET, + DRM_OUTPUT_CONNECTED, }; -struct wlr_drm_display { - enum wlr_drm_display_state state; +struct wlr_drm_output { + enum wlr_drm_output_state state; uint32_t connector; char name[16]; @@ -55,11 +55,11 @@ struct wlr_drm_display { bool cleanup; }; -bool wlr_drm_display_modeset(struct wlr_drm_display *disp, const char *str); -void wlr_drm_display_free(struct wlr_drm_display *disp, bool restore); +bool wlr_drm_output_modeset(struct wlr_drm_output *out, const char *str); +void wlr_drm_output_free(struct wlr_drm_output *out, bool restore); -void wlr_drm_display_begin(struct wlr_drm_display *disp); -void wlr_drm_display_end(struct wlr_drm_display *disp); +void wlr_drm_output_begin(struct wlr_drm_output *out); +void wlr_drm_output_end(struct wlr_drm_output *out); void wlr_drm_scan_connectors(struct wlr_drm_backend *backend); void wlr_drm_event(int fd); diff --git a/include/wlr/backend/drm.h b/include/wlr/backend/drm.h index ede43fda..13679782 100644 --- a/include/wlr/backend/drm.h +++ b/include/wlr/backend/drm.h @@ -5,7 +5,7 @@ #include struct wlr_drm_backend; -struct wlr_drm_display; +struct wlr_drm_output; struct wlr_drm_backend *wlr_drm_backend_init(struct wlr_session *session, struct wl_listener *add, struct wl_listener *rem, struct wl_listener *render); @@ -13,8 +13,8 @@ void wlr_drm_backend_free(struct wlr_drm_backend *backend); struct wl_event_loop *wlr_drm_backend_get_event_loop(struct wlr_drm_backend *backend); -bool wlr_drm_display_modeset(struct wlr_drm_display *disp, const char *str); -void wlr_drm_display_begin(struct wlr_drm_display *disp); -void wlr_drm_display_end(struct wlr_drm_display *disp); +bool wlr_drm_output_modeset(struct wlr_drm_output *out, const char *str); +void wlr_drm_output_begin(struct wlr_drm_output *out); +void wlr_drm_output_end(struct wlr_drm_output *out); #endif -- cgit v1.2.3 From d196a79b6c493d74d0057d74238353180d717255 Mon Sep 17 00:00:00 2001 From: Scott Anderson Date: Wed, 3 May 2017 21:28:44 +1200 Subject: Changed backend to accept wl_display. --- backend/drm/backend.c | 53 +++++++++++------------ backend/drm/drm.c | 29 +++---------- backend/drm/udev.c | 99 +++++++++++++++++++++++++------------------ example/example-drm.c | 6 ++- include/backend/drm/backend.h | 14 +----- include/backend/drm/drm.h | 5 +-- include/backend/drm/udev.h | 5 ++- include/wlr/backend/drm.h | 7 ++- 8 files changed, 106 insertions(+), 112 deletions(-) (limited to 'example') diff --git a/backend/drm/backend.c b/backend/drm/backend.c index 03e34d97..5d72d9dc 100644 --- a/backend/drm/backend.c +++ b/backend/drm/backend.c @@ -3,6 +3,7 @@ #include #include #include +#include #include #include @@ -12,9 +13,10 @@ #include "backend/drm/udev.h" #include "common/log.h" -struct wlr_drm_backend *wlr_drm_backend_init(struct wlr_session *session, - struct wl_listener *add, struct wl_listener *rem, struct wl_listener *render) -{ +struct wlr_drm_backend *wlr_drm_backend_init(struct wl_display *display, + struct wlr_session *session, struct wl_listener *add, struct wl_listener *rem, + struct wl_listener *render) { + struct wlr_drm_backend *backend = calloc(1, sizeof *backend); if (!backend) { wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno)); @@ -29,15 +31,9 @@ struct wlr_drm_backend *wlr_drm_backend_init(struct wlr_session *session, goto error_backend; } - backend->event_loop = wl_event_loop_create(); - if (!backend->event_loop) { - wlr_log(L_ERROR, "Failed to create event loop"); - goto error_list; - } - - if (!wlr_udev_init(backend)) { + if (!wlr_udev_init(display, &backend->udev)) { wlr_log(L_ERROR, "Failed to start udev"); - goto error_loop; + goto error_list; } backend->fd = wlr_udev_find_gpu(&backend->udev, backend->session); @@ -46,32 +42,44 @@ struct wlr_drm_backend *wlr_drm_backend_init(struct wlr_session *session, goto error_udev; } - if (!wlr_drm_renderer_init(&backend->renderer, backend, backend->fd)) { - wlr_log(L_ERROR, "Failed to initialize renderer"); + struct wl_event_loop *event_loop = wl_display_get_event_loop(display); + + backend->drm_event = wl_event_loop_add_fd(event_loop, backend->fd, + WL_EVENT_READABLE, wlr_drm_event, NULL); + if (!backend->drm_event) { + wlr_log(L_ERROR, "Failed to create DRM event source"); goto error_fd; } + if (!wlr_drm_renderer_init(&backend->renderer, backend->fd)) { + wlr_log(L_ERROR, "Failed to initialize renderer"); + goto error_event; + } + wl_signal_init(&backend->signals.output_add); wl_signal_init(&backend->signals.output_rem); wl_signal_init(&backend->signals.output_render); - if (add) + if (add) { wl_signal_add(&backend->signals.output_add, add); - if (rem) + } + if (rem) { wl_signal_add(&backend->signals.output_rem, rem); - if (render) + } + if (render) { wl_signal_add(&backend->signals.output_render, render); + } wlr_drm_scan_connectors(backend); return backend; +error_event: + wl_event_source_remove(backend->drm_event); error_fd: wlr_session_close_file(backend->session, backend->fd); error_udev: wlr_udev_free(&backend->udev); -error_loop: - wl_event_loop_destroy(backend->event_loop); error_list: list_free(backend->outputs); error_backend: @@ -98,15 +106,8 @@ void wlr_drm_backend_free(struct wlr_drm_backend *backend) wlr_session_close_file(backend->session, backend->fd); wlr_session_finish(backend->session); - wl_event_source_remove(backend->event_src.drm); - wl_event_source_remove(backend->event_src.udev); - wl_event_loop_destroy(backend->event_loop); + wl_event_source_remove(backend->drm_event); list_free(backend->outputs); free(backend); } - -struct wl_event_loop *wlr_drm_backend_get_event_loop(struct wlr_drm_backend *backend) -{ - return backend->event_loop; -} diff --git a/backend/drm/drm.c b/backend/drm/drm.c index 13971687..f636c42c 100644 --- a/backend/drm/drm.c +++ b/backend/drm/drm.c @@ -41,7 +41,7 @@ static void page_flip_handler(int fd, unsigned seq, unsigned tv_sec, unsigned tv void *user) { struct wlr_drm_output *out = user; - struct wlr_drm_backend *backend = out->renderer->backend; + struct wlr_drm_backend *backend = wl_container_of(out->renderer, backend, renderer); out->pageflip_pending = true; if (!out->cleanup) { @@ -49,7 +49,7 @@ static void page_flip_handler(int fd, unsigned seq, unsigned tv_sec, unsigned tv } } -static int drm_event(int fd, uint32_t mask, void *data) { +int wlr_drm_event(int fd, uint32_t mask, void *data) { drmEventContext event = { .version = DRM_EVENT_CONTEXT_VERSION, .page_flip_handler = page_flip_handler, @@ -60,8 +60,7 @@ static int drm_event(int fd, uint32_t mask, void *data) { return 1; } -bool wlr_drm_renderer_init(struct wlr_drm_renderer *renderer, - struct wlr_drm_backend *backend, int fd) { +bool wlr_drm_renderer_init(struct wlr_drm_renderer *renderer, int fd) { renderer->gbm = gbm_create_device(fd); if (!renderer->gbm) { @@ -70,28 +69,12 @@ bool wlr_drm_renderer_init(struct wlr_drm_renderer *renderer, } if (!wlr_egl_init(&renderer->egl, EGL_PLATFORM_GBM_MESA, renderer->gbm)) { - goto error_gbm; - } - - backend->event_src.drm = wl_event_loop_add_fd(backend->event_loop, - backend->fd, WL_EVENT_READABLE, drm_event, NULL); - if (!backend->event_src.drm) { - wlr_log(L_ERROR, "Failed to create DRM event source"); - goto error_egl; + gbm_device_destroy(renderer->gbm); + return false; } renderer->fd = fd; - renderer->backend = backend; - return true; - -error_egl: - wlr_egl_free(&renderer->egl); - -error_gbm: - gbm_device_destroy(renderer->gbm); - - return false; } void wlr_drm_renderer_free(struct wlr_drm_renderer *renderer) { @@ -296,7 +279,7 @@ static drmModeModeInfo *select_mode(size_t num_modes, drmModeModeInfo modes[stat } bool wlr_drm_output_modeset(struct wlr_drm_output *out, const char *str) { - struct wlr_drm_backend *backend = out->renderer->backend; + struct wlr_drm_backend *backend = wl_container_of(out->renderer, backend, renderer); wlr_log(L_INFO, "Modesetting %s with '%s'", out->name, str); drmModeConnector *conn = drmModeGetConnector(backend->fd, out->connector); diff --git a/backend/drm/udev.c b/backend/drm/udev.c index 6921a998..438047d6 100644 --- a/backend/drm/udev.c +++ b/backend/drm/udev.c @@ -16,36 +16,39 @@ #include "backend/drm/drm.h" #include "common/log.h" -static bool device_is_kms(struct wlr_udev *udev, - struct wlr_session *session, - struct udev_device *dev, - int *fd_out) -{ - const char *path = udev_device_get_devnode(dev); +/* Tests if 'path' is KMS compatible by trying to open it. + * It leaves the open device in *fd_out it it succeeds. + */ +static bool device_is_kms(struct wlr_session *restrict session, + const char *restrict path, int *restrict fd_out) { + int fd; - if (!path) + if (!path) { return false; + } fd = wlr_session_open_file(session, path); - if (fd < 0) + if (fd < 0) { return false; + } drmModeRes *res = drmModeGetResources(fd); - if (!res) + if (!res) { goto out_fd; + } if (res->count_crtcs <= 0 || res->count_connectors <= 0 || - res->count_encoders <= 0) + res->count_encoders <= 0) { + goto out_res; + } if (*fd_out >= 0) { wlr_session_close_file(session, *fd_out); - free(udev->drm_path); } *fd_out = fd; - udev->drm_path = strdup(path); drmModeFreeResources(res); return true; @@ -57,10 +60,10 @@ out_fd: return false; } -int wlr_udev_find_gpu(struct wlr_udev *udev, struct wlr_session *session) -{ - int fd = -1; - +/* Tries to find the primary GPU by checking for the "boot_vga" attribute. + * If it's not found, it returns the first valid GPU it finds. + */ +int wlr_udev_find_gpu(struct wlr_udev *udev, struct wlr_session *session) { struct udev_enumerate *en = udev_enumerate_new(udev->udev); if (!en) { wlr_log(L_ERROR, "Failed to create udev enumeration"); @@ -69,16 +72,20 @@ int wlr_udev_find_gpu(struct wlr_udev *udev, struct wlr_session *session) udev_enumerate_add_match_subsystem(en, "drm"); udev_enumerate_add_match_sysname(en, "card[0-9]*"); - udev_enumerate_scan_devices(en); + struct udev_list_entry *entry; + int fd = -1; + char *drm_path = NULL; + udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(en)) { bool is_boot_vga = false; const char *path = udev_list_entry_get_name(entry); struct udev_device *dev = udev_device_new_from_syspath(udev->udev, path); - if (!dev) + if (!dev) { continue; + } /* const char *seat = udev_device_get_property_value(dev, "ID_SEAT"); @@ -90,14 +97,15 @@ int wlr_udev_find_gpu(struct wlr_udev *udev, struct wlr_session *session) } */ + // This is owned by 'dev', so we don't need to free it struct udev_device *pci = udev_device_get_parent_with_subsystem_devtype(dev, "pci", NULL); if (pci) { const char *id = udev_device_get_sysattr_value(pci, "boot_vga"); - if (id && strcmp(id, "1") == 0) + if (id && strcmp(id, "1") == 0) { is_boot_vga = true; - //udev_device_unref(pci); + } } // We already have a valid GPU @@ -106,38 +114,47 @@ int wlr_udev_find_gpu(struct wlr_udev *udev, struct wlr_session *session) continue; } - if (!device_is_kms(udev, session, dev, &fd)) { + path = udev_device_get_devnode(dev); + if (!device_is_kms(session, path, &fd)) { udev_device_unref(dev); continue; } + free(drm_path); + drm_path = strdup(path); + udev_device_unref(dev); - if (is_boot_vga) + // We've found the primary GPU + if (is_boot_vga) { break; + } } udev_enumerate_unref(en); + udev->drm_path = drm_path; return fd; } -static int udev_event(int fd, uint32_t mask, void *data) -{ - struct wlr_drm_backend *backend = data; - struct wlr_udev *udev = &backend->udev; +static int udev_event(int fd, uint32_t mask, void *data) { + struct wlr_udev *udev = data; + struct wlr_drm_backend *backend = wl_container_of(udev, backend, udev); struct udev_device *dev = udev_monitor_receive_device(udev->mon); - if (!dev) + if (!dev) { return 1; + } const char *path = udev_device_get_devnode(dev); - if (!path || strcmp(path, udev->drm_path) != 0) + if (!path || strcmp(path, udev->drm_path) != 0) { goto out; + } const char *action = udev_device_get_action(dev); - if (!action || strcmp(action, "change") != 0) + if (!action || strcmp(action, "change") != 0) { goto out; + } wlr_drm_scan_connectors(backend); @@ -146,10 +163,7 @@ out: return 1; } -bool wlr_udev_init(struct wlr_drm_backend *backend) -{ - struct wlr_udev *udev = &backend->udev; - +bool wlr_udev_init(struct wl_display *display, struct wlr_udev *udev) { udev->udev = udev_new(); if (!udev->udev) { wlr_log(L_ERROR, "Failed to create udev context"); @@ -165,10 +179,12 @@ bool wlr_udev_init(struct wlr_drm_backend *backend) udev_monitor_filter_add_match_subsystem_devtype(udev->mon, "drm", NULL); udev_monitor_enable_receiving(udev->mon); - backend->event_src.udev = wl_event_loop_add_fd(backend->event_loop, - udev_monitor_get_fd(udev->mon), WL_EVENT_READABLE, - udev_event, backend); - if (!backend->event_src.udev) { + struct wl_event_loop *event_loop = wl_display_get_event_loop(display); + int fd = udev_monitor_get_fd(udev->mon); + + udev->event = wl_event_loop_add_fd(event_loop, fd, WL_EVENT_READABLE, + udev_event, udev); + if (!udev->event) { wlr_log(L_ERROR, "Failed to create udev event source"); goto error_mon; } @@ -184,11 +200,12 @@ error_udev: return false; } -void wlr_udev_free(struct wlr_udev *udev) - -{ - if (!udev) +void wlr_udev_free(struct wlr_udev *udev) { + if (!udev) { return; + } + + wl_event_source_remove(udev->event); udev_monitor_unref(udev->mon); udev_unref(udev->udev); diff --git a/example/example-drm.c b/example/example-drm.c index 072e5ce4..35a4f9a2 100644 --- a/example/example-drm.c +++ b/example/example-drm.c @@ -93,16 +93,18 @@ int main() wl_list_init(&state.render.link); clock_gettime(CLOCK_MONOTONIC, &state.last_frame); + struct wl_display *display = wl_display_create(); + struct wl_event_loop *event_loop = wl_display_get_event_loop(display); + struct wlr_session *session = wlr_session_start(); if (!session) { return 1; } - struct wlr_drm_backend *wlr = wlr_drm_backend_init(session, + struct wlr_drm_backend *wlr = wlr_drm_backend_init(display, session, &state.add, &state.rem, &state.render); bool done = false; - struct wl_event_loop *event_loop = wlr_drm_backend_get_event_loop(wlr); struct wl_event_source *timer = wl_event_loop_add_timer(event_loop, timer_done, &done); diff --git a/include/backend/drm/backend.h b/include/backend/drm/backend.h index d6093bc2..8689c010 100644 --- a/include/backend/drm/backend.h +++ b/include/backend/drm/backend.h @@ -20,12 +20,7 @@ struct wlr_drm_backend { int fd; bool paused; - struct wl_event_loop *event_loop; - - struct { - struct wl_event_source *drm; - struct wl_event_source *udev; - } event_src; + struct wl_event_source *drm_event; struct { struct wl_signal output_add; @@ -33,17 +28,12 @@ struct wlr_drm_backend { struct wl_signal output_render; } signals; - list_t *outputs; - uint32_t taken_crtcs; + list_t *outputs; struct wlr_drm_renderer renderer; struct wlr_session *session; struct wlr_udev udev; }; -struct wlr_drm_backend *wlr_drm_backend_init(struct wlr_session *session, - struct wl_listener *add, struct wl_listener *rem, struct wl_listener *render); -void wlr_drm_backend_free(struct wlr_drm_backend *backend); - #endif diff --git a/include/backend/drm/drm.h b/include/backend/drm/drm.h index 6c3bb49f..3373f024 100644 --- a/include/backend/drm/drm.h +++ b/include/backend/drm/drm.h @@ -21,8 +21,7 @@ struct wlr_drm_renderer { struct wlr_egl egl; }; -bool wlr_drm_renderer_init(struct wlr_drm_renderer *renderer, - struct wlr_drm_backend *backend, int fd); +bool wlr_drm_renderer_init(struct wlr_drm_renderer *renderer, int fd); void wlr_drm_renderer_free(struct wlr_drm_renderer *renderer); enum wlr_drm_output_state { @@ -62,6 +61,6 @@ void wlr_drm_output_begin(struct wlr_drm_output *out); void wlr_drm_output_end(struct wlr_drm_output *out); void wlr_drm_scan_connectors(struct wlr_drm_backend *backend); -void wlr_drm_event(int fd); +int wlr_drm_event(int fd, uint32_t mask, void *data); #endif diff --git a/include/backend/drm/udev.h b/include/backend/drm/udev.h index a09ee218..99c2c403 100644 --- a/include/backend/drm/udev.h +++ b/include/backend/drm/udev.h @@ -4,15 +4,18 @@ #include #include +#include struct wlr_udev { struct udev *udev; struct udev_monitor *mon; char *drm_path; + + struct wl_event_source *event; }; struct wlr_drm_backend; -bool wlr_udev_init(struct wlr_drm_backend *backend); +bool wlr_udev_init(struct wl_display *display, struct wlr_udev *udev); void wlr_udev_free(struct wlr_udev *udev); int wlr_udev_find_gpu(struct wlr_udev *udev, struct wlr_session *session); diff --git a/include/wlr/backend/drm.h b/include/wlr/backend/drm.h index 13679782..d56c7e77 100644 --- a/include/wlr/backend/drm.h +++ b/include/wlr/backend/drm.h @@ -7,12 +7,11 @@ struct wlr_drm_backend; struct wlr_drm_output; -struct wlr_drm_backend *wlr_drm_backend_init(struct wlr_session *session, - struct wl_listener *add, struct wl_listener *rem, struct wl_listener *render); +struct wlr_drm_backend *wlr_drm_backend_init(struct wl_display *display, + struct wlr_session *session, struct wl_listener *add, struct wl_listener *rem, + struct wl_listener *render); void wlr_drm_backend_free(struct wlr_drm_backend *backend); -struct wl_event_loop *wlr_drm_backend_get_event_loop(struct wlr_drm_backend *backend); - bool wlr_drm_output_modeset(struct wlr_drm_output *out, const char *str); void wlr_drm_output_begin(struct wlr_drm_output *out); void wlr_drm_output_end(struct wlr_drm_output *out); -- cgit v1.2.3 From ef9768858e5befde26db2cc4fec26a5e5bd0fe22 Mon Sep 17 00:00:00 2001 From: Scott Anderson Date: Wed, 3 May 2017 22:40:19 +1200 Subject: Changed modesetting interface. --- backend/drm/backend.c | 2 +- backend/drm/drm.c | 373 ++++++++++++++++++++++------------------------ example/CMakeLists.txt | 4 + example/example-drm.c | 7 +- include/backend/drm/drm.h | 11 +- include/wlr/backend/drm.h | 12 +- 6 files changed, 201 insertions(+), 208 deletions(-) (limited to 'example') diff --git a/backend/drm/backend.c b/backend/drm/backend.c index 5d72d9dc..42e7f5fd 100644 --- a/backend/drm/backend.c +++ b/backend/drm/backend.c @@ -90,7 +90,7 @@ error_backend: static void free_output(void *item) { struct wlr_drm_output *out = item; - wlr_drm_output_free(out, true); + wlr_drm_output_cleanup(out, true); free(out); } diff --git a/backend/drm/drm.c b/backend/drm/drm.c index f636c42c..fc2626c5 100644 --- a/backend/drm/drm.c +++ b/backend/drm/drm.c @@ -37,29 +37,6 @@ static const char *conn_name[] = { [DRM_MODE_CONNECTOR_DSI] = "DSI", }; -static void page_flip_handler(int fd, unsigned seq, unsigned tv_sec, unsigned tv_usec, - void *user) { - - struct wlr_drm_output *out = user; - struct wlr_drm_backend *backend = wl_container_of(out->renderer, backend, renderer); - - out->pageflip_pending = true; - if (!out->cleanup) { - wl_signal_emit(&backend->signals.output_render, out); - } -} - -int wlr_drm_event(int fd, uint32_t mask, void *data) { - drmEventContext event = { - .version = DRM_EVENT_CONTEXT_VERSION, - .page_flip_handler = page_flip_handler, - }; - - drmHandleEvent(fd, &event); - - return 1; -} - bool wlr_drm_renderer_init(struct wlr_drm_renderer *renderer, int fd) { renderer->gbm = gbm_create_device(fd); @@ -86,81 +63,6 @@ void wlr_drm_renderer_free(struct wlr_drm_renderer *renderer) { gbm_device_destroy(renderer->gbm); } -static int find_id(const void *item, const void *cmp_to) { - const struct wlr_drm_output *out = item; - const uint32_t *id = cmp_to; - - if (out->connector < *id) { - return -1; - } else if (out->connector > *id) { - return 1; - } else { - return 0; - } -} - -void wlr_drm_scan_connectors(struct wlr_drm_backend *backend) { - drmModeRes *res = drmModeGetResources(backend->fd); - if (!res) { - wlr_log(L_ERROR, "Failed to get DRM resources"); - return; - } - - for (int i = 0; i < res->count_connectors; ++i) { - uint32_t id = res->connectors[i]; - - drmModeConnector *conn = drmModeGetConnector(backend->fd, id); - if (!conn) { - wlr_log(L_ERROR, "Failed to get DRM connector"); - continue; - } - - struct wlr_drm_output *out; - int index = list_seq_find(backend->outputs, find_id, &id); - - if (index == -1) { - out = calloc(1, sizeof *out); - if (!out) { - wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno)); - drmModeFreeConnector(conn); - continue; - } - - out->renderer = &backend->renderer; - out->state = DRM_OUTPUT_DISCONNECTED; - out->connector = res->connectors[i]; - snprintf(out->name, sizeof out->name, "%s-%"PRIu32, - conn_name[conn->connector_type], - conn->connector_type_id); - - list_add(backend->outputs, out); - wlr_log(L_INFO, "Found display '%s'", out->name); - } else { - out = backend->outputs->items[index]; - } - - if (out->state == DRM_OUTPUT_DISCONNECTED && - conn->connection == DRM_MODE_CONNECTED) { - - out->state = DRM_OUTPUT_NEEDS_MODESET; - wlr_log(L_INFO, "Sending modesetting signal for '%s'", out->name); - wl_signal_emit(&backend->signals.output_add, out); - - } else if (out->state == DRM_OUTPUT_CONNECTED && - conn->connection != DRM_MODE_CONNECTED) { - - out->state = DRM_OUTPUT_DISCONNECTED; - wlr_drm_output_free(out, false); - wlr_log(L_INFO, "Sending destruction signal for '%s'", out->name); - wl_signal_emit(&backend->signals.output_rem, out); - } - - drmModeFreeConnector(conn); - } - - drmModeFreeResources(res); -} - static void free_fb(struct gbm_bo *bo, void *data) { uint32_t *id = data; @@ -192,6 +94,25 @@ static uint32_t get_fb_for_bo(int fd, struct gbm_bo *bo) { return *id; } +void wlr_drm_output_begin(struct wlr_drm_output *out) { + struct wlr_drm_renderer *renderer = out->renderer; + eglMakeCurrent(renderer->egl.display, out->egl, out->egl, renderer->egl.context); +} + +void wlr_drm_output_end(struct wlr_drm_output *out) { + struct wlr_drm_renderer *renderer = out->renderer; + eglSwapBuffers(renderer->egl.display, out->egl); + + struct gbm_bo *bo = gbm_surface_lock_front_buffer(out->gbm); + uint32_t fb_id = get_fb_for_bo(renderer->fd, bo); + + drmModePageFlip(renderer->fd, out->crtc, fb_id, DRM_MODE_PAGE_FLIP_EVENT, out); + + gbm_surface_release_buffer(out->gbm, bo); + + out->pageflip_pending = false; +} + static bool display_init_renderer(struct wlr_drm_renderer *renderer, struct wlr_drm_output *out) { @@ -225,7 +146,7 @@ static bool display_init_renderer(struct wlr_drm_renderer *renderer, uint32_t fb_id = get_fb_for_bo(renderer->fd, bo); drmModeSetCrtc(renderer->fd, out->crtc, fb_id, 0, 0, - &out->connector, 1, out->active_mode); + &out->connector, 1, &out->active_mode->mode); drmModePageFlip(renderer->fd, out->crtc, fb_id, DRM_MODE_PAGE_FLIP_EVENT, out); gbm_surface_release_buffer(out->gbm, bo); @@ -233,54 +154,119 @@ static bool display_init_renderer(struct wlr_drm_renderer *renderer, return true; } -static drmModeModeInfo *select_mode(size_t num_modes, drmModeModeInfo modes[static num_modes], - drmModeCrtc *old_crtc, const char *str) { +static int find_id(const void *item, const void *cmp_to) { + const struct wlr_drm_output *out = item; + const uint32_t *id = cmp_to; + + if (out->connector < *id) { + return -1; + } else if (out->connector > *id) { + return 1; + } else { + return 0; + } +} - if (strcmp(str, "preferred") == 0) { - return &modes[0]; +void wlr_drm_scan_connectors(struct wlr_drm_backend *backend) { + drmModeRes *res = drmModeGetResources(backend->fd); + if (!res) { + wlr_log(L_ERROR, "Failed to get DRM resources"); + return; } - if (strcmp(str, "current") == 0) { - if (!old_crtc) { - wlr_log(L_ERROR, "Display does not have currently configured mode"); - return NULL; + for (int i = 0; i < res->count_connectors; ++i) { + uint32_t id = res->connectors[i]; + + drmModeConnector *conn = drmModeGetConnector(backend->fd, id); + if (!conn) { + wlr_log(L_ERROR, "Failed to get DRM connector"); + continue; } - for (size_t i = 0; i < num_modes; ++i) { - if (memcmp(&modes[i], &old_crtc->mode, sizeof modes[0]) == 0) { - return &modes[i]; + struct wlr_drm_output *out; + int index = list_seq_find(backend->outputs, find_id, &id); + + if (index == -1) { + out = calloc(1, sizeof *out); + if (!out) { + wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno)); + drmModeFreeConnector(conn); + continue; } + + out->renderer = &backend->renderer; + out->state = DRM_OUTPUT_DISCONNECTED; + out->connector = res->connectors[i]; + snprintf(out->name, sizeof out->name, "%s-%"PRIu32, + conn_name[conn->connector_type], + conn->connector_type_id); + + list_add(backend->outputs, out); + wlr_log(L_INFO, "Found display '%s'", out->name); + } else { + out = backend->outputs->items[index]; } - // We should never get here - assert(0); - } + if (out->state == DRM_OUTPUT_DISCONNECTED && + conn->connection == DRM_MODE_CONNECTED) { - unsigned width = 0; - unsigned height = 0; - unsigned rate = 0; - int ret; + wlr_log(L_INFO, "'%s' connected", out->name); - if ((ret = sscanf(str, "%ux%u@%u", &width, &height, &rate)) != 2 && ret != 3) { - wlr_log(L_ERROR, "Invalid modesetting string '%s'", str); - return NULL; - } + out->modes = malloc(sizeof(*out->modes) * conn->count_modes); + if (!out->modes) { + wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno)); + goto error; + } + + wlr_log(L_INFO, "Detected modes:"); + + out->num_modes = conn->count_modes; + for (int i = 0; i < conn->count_modes; ++i) { + drmModeModeInfo *mode = &conn->modes[i]; + out->modes[i].width = mode->hdisplay; + out->modes[i].height = mode->vdisplay; + // TODO: Calculate more accurate refresh rate + out->modes[i].rate = mode->vrefresh; + out->modes[i].mode = *mode; + + wlr_log(L_INFO, " %"PRIu16"@%"PRIu16"@%"PRIu32, + mode->hdisplay, mode->vdisplay, + mode->vrefresh); + } - for (size_t i = 0; i < num_modes; ++i) { - if (modes[i].hdisplay == width && modes[i].vdisplay == height && - (!rate || modes[i].vrefresh == rate)) { + out->state = DRM_OUTPUT_NEEDS_MODESET; + wlr_log(L_INFO, "Sending modesetting signal for '%s'", out->name); + wl_signal_emit(&backend->signals.output_add, out); - return &modes[i]; + } else if (out->state == DRM_OUTPUT_CONNECTED && + conn->connection != DRM_MODE_CONNECTED) { + + wlr_drm_output_cleanup(out, false); + wlr_log(L_INFO, "Sending destruction signal for '%s'", out->name); + wl_signal_emit(&backend->signals.output_rem, out); } +error: + drmModeFreeConnector(conn); } - wlr_log(L_ERROR, "Unable to find mode %ux%u@%u", width, height, rate); - return NULL; + drmModeFreeResources(res); +} + +struct wlr_drm_mode *wlr_drm_output_get_modes(struct wlr_drm_output *out, size_t *count) { + if (out->state == DRM_OUTPUT_DISCONNECTED) { + *count = 0; + return NULL; + } + + *count = out->num_modes; + return out->modes; } -bool wlr_drm_output_modeset(struct wlr_drm_output *out, const char *str) { +bool wlr_drm_output_modeset(struct wlr_drm_output *out, struct wlr_drm_mode *mode) { struct wlr_drm_backend *backend = wl_container_of(out->renderer, backend, renderer); - wlr_log(L_INFO, "Modesetting %s with '%s'", out->name, str); + + wlr_log(L_INFO, "Modesetting '%s' with '%ux%u@%u'", out->name, mode->width, + mode->height, mode->rate); drmModeConnector *conn = drmModeGetConnector(backend->fd, out->connector); if (!conn) { @@ -293,34 +279,12 @@ bool wlr_drm_output_modeset(struct wlr_drm_output *out, const char *str) { goto error; } - out->num_modes = conn->count_modes; - out->modes = malloc(sizeof *out->modes * out->num_modes); - if (!out->modes) { - wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno)); - goto error; - } - memcpy(out->modes, conn->modes, sizeof *out->modes * out->num_modes); - - wlr_log(L_INFO, "Detected modes:"); - for (size_t i = 0; i < out->num_modes; ++i) { - wlr_log(L_INFO, " %"PRIu16"@%"PRIu16"@%"PRIu32, - out->modes[i].hdisplay, out->modes[i].vdisplay, - out->modes[i].vrefresh); - } - drmModeEncoder *curr_enc = drmModeGetEncoder(backend->fd, conn->encoder_id); if (curr_enc) { out->old_crtc = drmModeGetCrtc(backend->fd, curr_enc->crtc_id); free(curr_enc); } - out->active_mode = select_mode(out->num_modes, out->modes, - out->old_crtc, str); - if (!out->active_mode) { - wlr_log(L_ERROR, "Failed to configure %s", out->name); - goto error; - } - drmModeRes *res = drmModeGetResources(backend->fd); if (!res) { wlr_log(L_ERROR, "Failed to get DRM resources"); @@ -358,9 +322,9 @@ bool wlr_drm_output_modeset(struct wlr_drm_output *out, const char *str) { } out->state = DRM_OUTPUT_CONNECTED; - - out->width = out->active_mode->hdisplay; - out->height = out->active_mode->vdisplay; + out->active_mode = mode; + out->width = mode->width; + out->height = mode->height; if (!display_init_renderer(&backend->renderer, out)) { wlr_log(L_ERROR, "Failed to initalise renderer for %s", out->name); @@ -369,10 +333,6 @@ bool wlr_drm_output_modeset(struct wlr_drm_output *out, const char *str) { drmModeFreeConnector(conn); - wlr_log(L_INFO, "Configuring %s with mode %"PRIu16"x%"PRIu16"@%"PRIu32"", - out->name, out->active_mode->hdisplay, out->active_mode->vdisplay, - out->active_mode->vrefresh); - return true; error: @@ -385,58 +345,79 @@ error: return false; } -void wlr_drm_output_free(struct wlr_drm_output *out, bool restore) { - if (!out || out->state != DRM_OUTPUT_CONNECTED) { - return; +static void page_flip_handler(int fd, unsigned seq, unsigned tv_sec, unsigned tv_usec, + void *user) { + + struct wlr_drm_output *out = user; + struct wlr_drm_backend *backend = wl_container_of(out->renderer, backend, renderer); + + out->pageflip_pending = true; + if (!out->cleanup) { + wl_signal_emit(&backend->signals.output_render, out); } +} - struct wlr_drm_renderer *renderer = out->renderer; +int wlr_drm_event(int fd, uint32_t mask, void *data) { + drmEventContext event = { + .version = DRM_EVENT_CONTEXT_VERSION, + .page_flip_handler = page_flip_handler, + }; - eglDestroySurface(renderer->egl.display, out->egl); - gbm_surface_destroy(out->gbm); + drmHandleEvent(fd, &event); - free(out->modes); - out->state = DRM_OUTPUT_DISCONNECTED; + return 1; +} - if (!restore) { +static void restore_output(struct wlr_drm_output *out, int fd) { + drmModeCrtc *crtc = out->old_crtc; + if (!crtc) { return; } - drmModeCrtc *crtc = out->old_crtc; - if (crtc) { - // Wait for exising page flips to finish - - drmEventContext event = { - .version = DRM_EVENT_CONTEXT_VERSION, - .page_flip_handler = page_flip_handler, - }; - - out->cleanup = true; - while (out->pageflip_pending) - drmHandleEvent(renderer->fd, &event); - - drmModeSetCrtc(renderer->fd, crtc->crtc_id, crtc->buffer_id, - crtc->x, crtc->y, &out->connector, - 1, &crtc->mode); - drmModeFreeCrtc(crtc); + // Wait for exising page flips to finish + + out->cleanup = true; + while (out->pageflip_pending) { + wlr_drm_event(fd, 0, NULL); } -} -void wlr_drm_output_begin(struct wlr_drm_output *out) { - struct wlr_drm_renderer *renderer = out->renderer; - eglMakeCurrent(renderer->egl.display, out->egl, out->egl, renderer->egl.context); + drmModeSetCrtc(fd, crtc->crtc_id, crtc->buffer_id, crtc->x, crtc->y, + &out->connector, 1, &crtc->mode); + drmModeFreeCrtc(crtc); } -void wlr_drm_output_end(struct wlr_drm_output *out) { - struct wlr_drm_renderer *renderer = out->renderer; - eglSwapBuffers(renderer->egl.display, out->egl); +void wlr_drm_output_cleanup(struct wlr_drm_output *out, bool restore) { + if (!out) { + return; + } - struct gbm_bo *bo = gbm_surface_lock_front_buffer(out->gbm); - uint32_t fb_id = get_fb_for_bo(renderer->fd, bo); + struct wlr_drm_renderer *renderer = out->renderer; - drmModePageFlip(renderer->fd, out->crtc, fb_id, DRM_MODE_PAGE_FLIP_EVENT, out); + switch (out->state) { + case DRM_OUTPUT_CONNECTED: + eglDestroySurface(renderer->egl.display, out->egl); + gbm_surface_destroy(out->gbm); + + out->egl = EGL_NO_SURFACE; + out->gbm = NULL; + /* Fallthrough */ + + case DRM_OUTPUT_NEEDS_MODESET: + free(out->modes); + out->num_modes = 0; + out->modes = NULL; + out->active_mode = NULL; + out->width = 0; + out->height = 0; + + if (restore) { + restore_output(out, renderer->fd); + } - gbm_surface_release_buffer(out->gbm, bo); + out->state = DRM_MODE_DISCONNECTED; + break; - out->pageflip_pending = false; + case DRM_OUTPUT_DISCONNECTED: + break; + } } diff --git a/example/CMakeLists.txt b/example/CMakeLists.txt index fb2f3823..29a77675 100644 --- a/example/CMakeLists.txt +++ b/example/CMakeLists.txt @@ -1,3 +1,7 @@ +include_directories( + ${DRM_INCLUDE_DIRS} +) + add_executable(example main.c ) diff --git a/example/example-drm.c b/example/example-drm.c index 35a4f9a2..a2643949 100644 --- a/example/example-drm.c +++ b/example/example-drm.c @@ -23,8 +23,10 @@ void output_add(struct wl_listener *listener, void *data) { struct wlr_drm_output *out = data; - fprintf(stderr, "Output added\n"); - wlr_drm_output_modeset(out, "preferred"); + size_t num_modes; + struct wlr_drm_mode *modes = wlr_drm_output_get_modes(out, &num_modes); + + wlr_drm_output_modeset(out, &modes[0]); } void output_rem(struct wl_listener *listener, void *data) @@ -115,4 +117,5 @@ int main() wl_event_source_remove(timer); wlr_drm_backend_free(wlr); + wl_display_destroy(display); } diff --git a/include/backend/drm/drm.h b/include/backend/drm/drm.h index 3373f024..daafc144 100644 --- a/include/backend/drm/drm.h +++ b/include/backend/drm/drm.h @@ -25,7 +25,6 @@ bool wlr_drm_renderer_init(struct wlr_drm_renderer *renderer, int fd); void wlr_drm_renderer_free(struct wlr_drm_renderer *renderer); enum wlr_drm_output_state { - DRM_OUTPUT_INVALID, DRM_OUTPUT_DISCONNECTED, DRM_OUTPUT_NEEDS_MODESET, DRM_OUTPUT_CONNECTED, @@ -37,8 +36,8 @@ struct wlr_drm_output { char name[16]; size_t num_modes; - drmModeModeInfo *modes; - drmModeModeInfo *active_mode; + struct wlr_drm_mode *modes; + struct wlr_drm_mode *active_mode; uint32_t width; uint32_t height; @@ -54,11 +53,7 @@ struct wlr_drm_output { bool cleanup; }; -bool wlr_drm_output_modeset(struct wlr_drm_output *out, const char *str); -void wlr_drm_output_free(struct wlr_drm_output *out, bool restore); - -void wlr_drm_output_begin(struct wlr_drm_output *out); -void wlr_drm_output_end(struct wlr_drm_output *out); +void wlr_drm_output_cleanup(struct wlr_drm_output *out, bool restore); void wlr_drm_scan_connectors(struct wlr_drm_backend *backend); int wlr_drm_event(int fd, uint32_t mask, void *data); diff --git a/include/wlr/backend/drm.h b/include/wlr/backend/drm.h index d56c7e77..c3df2409 100644 --- a/include/wlr/backend/drm.h +++ b/include/wlr/backend/drm.h @@ -3,16 +3,26 @@ #include #include +#include // drmModeModeInfo struct wlr_drm_backend; struct wlr_drm_output; +struct wlr_drm_mode { + uint16_t width; + uint16_t height; + uint32_t rate; + drmModeModeInfo mode; +}; + struct wlr_drm_backend *wlr_drm_backend_init(struct wl_display *display, struct wlr_session *session, struct wl_listener *add, struct wl_listener *rem, struct wl_listener *render); void wlr_drm_backend_free(struct wlr_drm_backend *backend); -bool wlr_drm_output_modeset(struct wlr_drm_output *out, const char *str); +struct wlr_drm_mode *wlr_drm_output_get_modes(struct wlr_drm_output *out, size_t *count); +bool wlr_drm_output_modeset(struct wlr_drm_output *out, struct wlr_drm_mode *mode); + void wlr_drm_output_begin(struct wlr_drm_output *out); void wlr_drm_output_end(struct wlr_drm_output *out); -- cgit v1.2.3 From 7e9feb70a0b50caf7e9072d3b5c77b4e91235efa Mon Sep 17 00:00:00 2001 From: Scott Anderson Date: Thu, 4 May 2017 21:58:11 +1200 Subject: Fixed hotplugging + make EGL more chatty. --- backend/drm/drm.c | 52 +++++++++++++++++++++++++---------------------- backend/egl.c | 11 +++++++++- example/example-drm.c | 4 +++- include/wlr/backend/drm.h | 2 ++ 4 files changed, 43 insertions(+), 26 deletions(-) (limited to 'example') diff --git a/backend/drm/drm.c b/backend/drm/drm.c index fc2626c5..b5e5739a 100644 --- a/backend/drm/drm.c +++ b/backend/drm/drm.c @@ -110,7 +110,7 @@ void wlr_drm_output_end(struct wlr_drm_output *out) { gbm_surface_release_buffer(out->gbm, bo); - out->pageflip_pending = false; + out->pageflip_pending = true; } static bool display_init_renderer(struct wlr_drm_renderer *renderer, @@ -168,6 +168,8 @@ static int find_id(const void *item, const void *cmp_to) { } void wlr_drm_scan_connectors(struct wlr_drm_backend *backend) { + wlr_log(L_INFO, "Scanning DRM connectors"); + drmModeRes *res = drmModeGetResources(backend->fd); if (!res) { wlr_log(L_ERROR, "Failed to get DRM resources"); @@ -196,11 +198,17 @@ void wlr_drm_scan_connectors(struct wlr_drm_backend *backend) { out->renderer = &backend->renderer; out->state = DRM_OUTPUT_DISCONNECTED; - out->connector = res->connectors[i]; + out->connector = id; snprintf(out->name, sizeof out->name, "%s-%"PRIu32, conn_name[conn->connector_type], conn->connector_type_id); + drmModeEncoder *curr_enc = drmModeGetEncoder(backend->fd, conn->encoder_id); + if (curr_enc) { + out->old_crtc = drmModeGetCrtc(backend->fd, curr_enc->crtc_id); + free(curr_enc); + } + list_add(backend->outputs, out); wlr_log(L_INFO, "Found display '%s'", out->name); } else { @@ -241,9 +249,8 @@ void wlr_drm_scan_connectors(struct wlr_drm_backend *backend) { } else if (out->state == DRM_OUTPUT_CONNECTED && conn->connection != DRM_MODE_CONNECTED) { + wlr_log(L_INFO, "'%s' disconnected", out->name); wlr_drm_output_cleanup(out, false); - wlr_log(L_INFO, "Sending destruction signal for '%s'", out->name); - wl_signal_emit(&backend->signals.output_rem, out); } error: drmModeFreeConnector(conn); @@ -279,12 +286,6 @@ bool wlr_drm_output_modeset(struct wlr_drm_output *out, struct wlr_drm_mode *mod goto error; } - drmModeEncoder *curr_enc = drmModeGetEncoder(backend->fd, conn->encoder_id); - if (curr_enc) { - out->old_crtc = drmModeGetCrtc(backend->fd, curr_enc->crtc_id); - free(curr_enc); - } - drmModeRes *res = drmModeGetResources(backend->fd); if (!res) { wlr_log(L_ERROR, "Failed to get DRM resources"); @@ -336,11 +337,8 @@ bool wlr_drm_output_modeset(struct wlr_drm_output *out, struct wlr_drm_mode *mod return true; error: - out->state = DRM_OUTPUT_DISCONNECTED; + wlr_drm_output_cleanup(out, false); drmModeFreeConnector(conn); - free(out->modes); - - wl_signal_emit(&backend->signals.output_rem, out); return false; } @@ -351,8 +349,8 @@ static void page_flip_handler(int fd, unsigned seq, unsigned tv_sec, unsigned tv struct wlr_drm_output *out = user; struct wlr_drm_backend *backend = wl_container_of(out->renderer, backend, renderer); - out->pageflip_pending = true; - if (!out->cleanup) { + out->pageflip_pending = false; + if (out->state == DRM_OUTPUT_CONNECTED) { wl_signal_emit(&backend->signals.output_render, out); } } @@ -369,18 +367,16 @@ int wlr_drm_event(int fd, uint32_t mask, void *data) { } static void restore_output(struct wlr_drm_output *out, int fd) { + // Wait for any pending pageflips to finish + while (out->pageflip_pending) { + wlr_drm_event(fd, 0, NULL); + } + drmModeCrtc *crtc = out->old_crtc; if (!crtc) { return; } - // Wait for exising page flips to finish - - out->cleanup = true; - while (out->pageflip_pending) { - wlr_drm_event(fd, 0, NULL); - } - drmModeSetCrtc(fd, crtc->crtc_id, crtc->buffer_id, crtc->x, crtc->y, &out->connector, 1, &crtc->mode); drmModeFreeCrtc(crtc); @@ -392,6 +388,7 @@ void wlr_drm_output_cleanup(struct wlr_drm_output *out, bool restore) { } struct wlr_drm_renderer *renderer = out->renderer; + struct wlr_drm_backend *backend = wl_container_of(renderer, backend, renderer); switch (out->state) { case DRM_OUTPUT_CONNECTED: @@ -410,14 +407,21 @@ void wlr_drm_output_cleanup(struct wlr_drm_output *out, bool restore) { out->width = 0; out->height = 0; + out->state = DRM_OUTPUT_DISCONNECTED; + if (restore) { restore_output(out, renderer->fd); } - out->state = DRM_MODE_DISCONNECTED; + wlr_log(L_INFO, "Emmiting destruction signal for '%s'", out->name); + wl_signal_emit(&backend->signals.output_rem, out); break; case DRM_OUTPUT_DISCONNECTED: break; } } + +const char *wlr_drm_output_get_name(struct wlr_drm_output *out) { + return out->name; +} diff --git a/backend/egl.c b/backend/egl.c index b6c49846..2aac25b7 100644 --- a/backend/egl.c +++ b/backend/egl.c @@ -1,5 +1,6 @@ #include #include +#include #include // GBM_FORMAT_XRGB8888 #include "backend/egl.h" @@ -120,7 +121,8 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *display) { goto error; } - if (eglInitialize(egl->display, NULL, NULL) == EGL_FALSE) { + EGLint major, minor; + if (eglInitialize(egl->display, &major, &minor) == EGL_FALSE) { wlr_log(L_ERROR, "Failed to initialize EGL: %s", egl_error()); goto error; } @@ -140,6 +142,13 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *display) { goto error; } + eglMakeCurrent(egl->display, EGL_NO_SURFACE, EGL_NO_SURFACE, egl->context); + wlr_log(L_INFO, "Using EGL %d.%d", (int)major, (int)minor); + wlr_log(L_INFO, "Supported EGL extensions: %s", eglQueryString(egl->display, + EGL_EXTENSIONS)); + wlr_log(L_INFO, "Using %s", glGetString(GL_VERSION)); + wlr_log(L_INFO, "Supported OpenGL ES extensions: %s", glGetString(GL_EXTENSIONS)); + return true; error: diff --git a/example/example-drm.c b/example/example-drm.c index a2643949..1b1cce79 100644 --- a/example/example-drm.c +++ b/example/example-drm.c @@ -22,6 +22,7 @@ struct state { void output_add(struct wl_listener *listener, void *data) { struct wlr_drm_output *out = data; + fprintf(stderr, "Output '%s' added\n", wlr_drm_output_get_name(out)); size_t num_modes; struct wlr_drm_mode *modes = wlr_drm_output_get_modes(out, &num_modes); @@ -31,7 +32,8 @@ void output_add(struct wl_listener *listener, void *data) void output_rem(struct wl_listener *listener, void *data) { - fprintf(stderr, "Output removed\n"); + struct wlr_drm_output *out = data; + fprintf(stderr, "Output '%s' removed\n", wlr_drm_output_get_name(out)); } void output_render(struct wl_listener *listener, void *data) diff --git a/include/wlr/backend/drm.h b/include/wlr/backend/drm.h index c3df2409..4131b4cb 100644 --- a/include/wlr/backend/drm.h +++ b/include/wlr/backend/drm.h @@ -20,6 +20,8 @@ struct wlr_drm_backend *wlr_drm_backend_init(struct wl_display *display, struct wl_listener *render); void wlr_drm_backend_free(struct wlr_drm_backend *backend); +const char *wlr_drm_output_get_name(struct wlr_drm_output *out); + struct wlr_drm_mode *wlr_drm_output_get_modes(struct wlr_drm_output *out, size_t *count); bool wlr_drm_output_modeset(struct wlr_drm_output *out, struct wlr_drm_mode *mode); -- cgit v1.2.3 From 15b1ce9e6ced22a90ab0df7a6b86c6d35c40ca93 Mon Sep 17 00:00:00 2001 From: Drew DeVault Date: Sun, 7 May 2017 10:00:23 -0400 Subject: Refactor backend state management --- backend/CMakeLists.txt | 1 + backend/backend.c | 37 ++++++++++++++ backend/drm/backend.c | 113 ++++++++++++++++++++---------------------- backend/drm/drm.c | 51 ++++++++++--------- backend/drm/udev.c | 5 +- example/example-drm.c | 51 +++++++++---------- include/backend.h | 17 +++++++ include/backend/drm/backend.h | 10 ++-- include/backend/drm/drm.h | 3 +- include/wlr/backend.h | 27 +++++++++- include/wlr/backend/drm.h | 7 ++- 11 files changed, 196 insertions(+), 126 deletions(-) create mode 100644 backend/backend.c create mode 100644 include/backend.h (limited to 'example') diff --git a/backend/CMakeLists.txt b/backend/CMakeLists.txt index 938dc1ab..7183617c 100644 --- a/backend/CMakeLists.txt +++ b/backend/CMakeLists.txt @@ -12,6 +12,7 @@ add_library(wlr-backend drm/backend.c drm/drm.c drm/udev.c + backend.c egl.c ) diff --git a/backend/backend.c b/backend/backend.c new file mode 100644 index 00000000..e40aaefe --- /dev/null +++ b/backend/backend.c @@ -0,0 +1,37 @@ +#include +#include +#include +#include +#include "common/log.h" +#include "backend.h" + +struct wlr_backend *wlr_backend_create(const struct wlr_backend_impl *impl, + struct wlr_backend_state *state) { + struct wlr_backend *backend = calloc(1, sizeof(struct wlr_backend)); + if (!backend) { + wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno)); + return NULL; + } + backend->state = state; + backend->impl = impl; + wl_signal_init(&backend->events.output_add); + wl_signal_init(&backend->events.output_remove); + wl_signal_init(&backend->events.output_frame); + wl_signal_init(&backend->events.keyboard_add); + wl_signal_init(&backend->events.keyboard_remove); + wl_signal_init(&backend->events.pointer_add); + wl_signal_init(&backend->events.pointer_remove); + wl_signal_init(&backend->events.touch_add); + wl_signal_init(&backend->events.touch_remove); + return backend; +} + +bool wlr_backend_init(struct wlr_backend *backend) { + return backend->impl->init(backend->state); +} + +void wlr_backend_destroy(struct wlr_backend *backend) { + backend->impl->destroy(backend->state); + // TODO: Free anything else? + free(backend); +} diff --git a/backend/drm/backend.c b/backend/drm/backend.c index 42e7f5fd..8c02669a 100644 --- a/backend/drm/backend.c +++ b/backend/drm/backend.c @@ -8,106 +8,101 @@ #include #include +#include "backend.h" #include "backend/drm/backend.h" #include "backend/drm/drm.h" #include "backend/drm/udev.h" #include "common/log.h" -struct wlr_drm_backend *wlr_drm_backend_init(struct wl_display *display, - struct wlr_session *session, struct wl_listener *add, struct wl_listener *rem, - struct wl_listener *render) { +static bool wlr_drm_backend_init(struct wlr_backend_state *state) { + wlr_drm_scan_connectors(state); + return true; +} - struct wlr_drm_backend *backend = calloc(1, sizeof *backend); - if (!backend) { +static void free_output(void *item) { + struct wlr_drm_output *out = item; + wlr_drm_output_cleanup(out, true); + free(out); +} + +static void wlr_drm_backend_destroy(struct wlr_backend_state *state) { + if (!state) { + return; + } + list_foreach(state->outputs, free_output); + list_free(state->outputs); + wlr_drm_renderer_free(&state->renderer); + wlr_udev_free(&state->udev); + wlr_session_close_file(state->session, state->fd); + wlr_session_finish(state->session); + wl_event_source_remove(state->drm_event); + free(state); +} + +static struct wlr_backend_impl backend_impl = { + .init = wlr_drm_backend_init, + .destroy = wlr_drm_backend_destroy +}; + +struct wlr_backend *wlr_drm_backend_create(struct wl_display *display, + struct wlr_session *session) { + struct wlr_backend_state *state = calloc(1, sizeof(struct wlr_backend_state)); + if (!state) { wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno)); return NULL; } - backend->session = session; + struct wlr_backend *backend = wlr_backend_create(&backend_impl, state); + if (!backend) { + wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno)); + return NULL; + } - backend->outputs = list_create(); - if (!backend->outputs) { + state->backend = backend; + state->session = session; + state->outputs = list_create(); + if (!state->outputs) { wlr_log(L_ERROR, "Failed to allocate list"); goto error_backend; } - if (!wlr_udev_init(display, &backend->udev)) { + if (!wlr_udev_init(display, &state->udev)) { wlr_log(L_ERROR, "Failed to start udev"); goto error_list; } - backend->fd = wlr_udev_find_gpu(&backend->udev, backend->session); - if (backend->fd == -1) { + state->fd = wlr_udev_find_gpu(&state->udev, state->session); + if (state->fd == -1) { wlr_log(L_ERROR, "Failed to open DRM device"); goto error_udev; } struct wl_event_loop *event_loop = wl_display_get_event_loop(display); - backend->drm_event = wl_event_loop_add_fd(event_loop, backend->fd, + state->drm_event = wl_event_loop_add_fd(event_loop, state->fd, WL_EVENT_READABLE, wlr_drm_event, NULL); - if (!backend->drm_event) { + if (!state->drm_event) { wlr_log(L_ERROR, "Failed to create DRM event source"); goto error_fd; } - if (!wlr_drm_renderer_init(&backend->renderer, backend->fd)) { + if (!wlr_drm_renderer_init(&state->renderer, state->fd)) { wlr_log(L_ERROR, "Failed to initialize renderer"); goto error_event; } - wl_signal_init(&backend->signals.output_add); - wl_signal_init(&backend->signals.output_rem); - wl_signal_init(&backend->signals.output_render); - - if (add) { - wl_signal_add(&backend->signals.output_add, add); - } - if (rem) { - wl_signal_add(&backend->signals.output_rem, rem); - } - if (render) { - wl_signal_add(&backend->signals.output_render, render); - } - - wlr_drm_scan_connectors(backend); - return backend; error_event: - wl_event_source_remove(backend->drm_event); + wl_event_source_remove(state->drm_event); error_fd: - wlr_session_close_file(backend->session, backend->fd); + wlr_session_close_file(state->session, state->fd); error_udev: - wlr_udev_free(&backend->udev); + wlr_udev_free(&state->udev); error_list: - list_free(backend->outputs); + list_free(state->outputs); error_backend: + free(state); free(backend); return NULL; } - -static void free_output(void *item) -{ - struct wlr_drm_output *out = item; - wlr_drm_output_cleanup(out, true); - free(out); -} - -void wlr_drm_backend_free(struct wlr_drm_backend *backend) -{ - if (!backend) - return; - - list_foreach(backend->outputs, free_output); - - wlr_drm_renderer_free(&backend->renderer); - wlr_udev_free(&backend->udev); - wlr_session_close_file(backend->session, backend->fd); - wlr_session_finish(backend->session); - - wl_event_source_remove(backend->drm_event); - - list_free(backend->outputs); - free(backend); -} diff --git a/backend/drm/drm.c b/backend/drm/drm.c index b5e5739a..abb3fb26 100644 --- a/backend/drm/drm.c +++ b/backend/drm/drm.c @@ -13,6 +13,7 @@ #include #include +#include "backend.h" #include "backend/drm/backend.h" #include "backend/drm/drm.h" #include "common/log.h" @@ -167,10 +168,10 @@ static int find_id(const void *item, const void *cmp_to) { } } -void wlr_drm_scan_connectors(struct wlr_drm_backend *backend) { +void wlr_drm_scan_connectors(struct wlr_backend_state *state) { wlr_log(L_INFO, "Scanning DRM connectors"); - drmModeRes *res = drmModeGetResources(backend->fd); + drmModeRes *res = drmModeGetResources(state->fd); if (!res) { wlr_log(L_ERROR, "Failed to get DRM resources"); return; @@ -179,40 +180,40 @@ void wlr_drm_scan_connectors(struct wlr_drm_backend *backend) { for (int i = 0; i < res->count_connectors; ++i) { uint32_t id = res->connectors[i]; - drmModeConnector *conn = drmModeGetConnector(backend->fd, id); + drmModeConnector *conn = drmModeGetConnector(state->fd, id); if (!conn) { wlr_log(L_ERROR, "Failed to get DRM connector"); continue; } struct wlr_drm_output *out; - int index = list_seq_find(backend->outputs, find_id, &id); + int index = list_seq_find(state->outputs, find_id, &id); if (index == -1) { - out = calloc(1, sizeof *out); + out = calloc(1, sizeof(struct wlr_drm_output)); if (!out) { wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno)); drmModeFreeConnector(conn); continue; } - out->renderer = &backend->renderer; + out->renderer = &state->renderer; out->state = DRM_OUTPUT_DISCONNECTED; out->connector = id; snprintf(out->name, sizeof out->name, "%s-%"PRIu32, conn_name[conn->connector_type], conn->connector_type_id); - drmModeEncoder *curr_enc = drmModeGetEncoder(backend->fd, conn->encoder_id); + drmModeEncoder *curr_enc = drmModeGetEncoder(state->fd, conn->encoder_id); if (curr_enc) { - out->old_crtc = drmModeGetCrtc(backend->fd, curr_enc->crtc_id); + out->old_crtc = drmModeGetCrtc(state->fd, curr_enc->crtc_id); free(curr_enc); } - list_add(backend->outputs, out); + list_add(state->outputs, out); wlr_log(L_INFO, "Found display '%s'", out->name); } else { - out = backend->outputs->items[index]; + out = state->outputs->items[index]; } if (out->state == DRM_OUTPUT_DISCONNECTED && @@ -244,8 +245,7 @@ void wlr_drm_scan_connectors(struct wlr_drm_backend *backend) { out->state = DRM_OUTPUT_NEEDS_MODESET; wlr_log(L_INFO, "Sending modesetting signal for '%s'", out->name); - wl_signal_emit(&backend->signals.output_add, out); - + wl_signal_emit(&state->backend->events.output_add, out); } else if (out->state == DRM_OUTPUT_CONNECTED && conn->connection != DRM_MODE_CONNECTED) { @@ -270,12 +270,12 @@ struct wlr_drm_mode *wlr_drm_output_get_modes(struct wlr_drm_output *out, size_t } bool wlr_drm_output_modeset(struct wlr_drm_output *out, struct wlr_drm_mode *mode) { - struct wlr_drm_backend *backend = wl_container_of(out->renderer, backend, renderer); + struct wlr_backend_state *state = wl_container_of(out->renderer, state, renderer); wlr_log(L_INFO, "Modesetting '%s' with '%ux%u@%u'", out->name, mode->width, mode->height, mode->rate); - drmModeConnector *conn = drmModeGetConnector(backend->fd, out->connector); + drmModeConnector *conn = drmModeGetConnector(state->fd, out->connector); if (!conn) { wlr_log(L_ERROR, "Failed to get DRM connector"); goto error; @@ -286,7 +286,7 @@ bool wlr_drm_output_modeset(struct wlr_drm_output *out, struct wlr_drm_mode *mod goto error; } - drmModeRes *res = drmModeGetResources(backend->fd); + drmModeRes *res = drmModeGetResources(state->fd); if (!res) { wlr_log(L_ERROR, "Failed to get DRM resources"); goto error; @@ -294,7 +294,7 @@ bool wlr_drm_output_modeset(struct wlr_drm_output *out, struct wlr_drm_mode *mod bool success = false; for (int i = 0; !success && i < conn->count_encoders; ++i) { - drmModeEncoder *enc = drmModeGetEncoder(backend->fd, conn->encoders[i]); + drmModeEncoder *enc = drmModeGetEncoder(state->fd, conn->encoders[i]); if (!enc) continue; @@ -303,8 +303,8 @@ bool wlr_drm_output_modeset(struct wlr_drm_output *out, struct wlr_drm_mode *mod continue; } - if ((backend->taken_crtcs & (1 << j)) == 0) { - backend->taken_crtcs |= 1 << j; + if ((state->taken_crtcs & (1 << j)) == 0) { + state->taken_crtcs |= 1 << j; out->crtc = res->crtcs[j]; success = true; @@ -327,7 +327,7 @@ bool wlr_drm_output_modeset(struct wlr_drm_output *out, struct wlr_drm_mode *mod out->width = mode->width; out->height = mode->height; - if (!display_init_renderer(&backend->renderer, out)) { + if (!display_init_renderer(&state->renderer, out)) { wlr_log(L_ERROR, "Failed to initalise renderer for %s", out->name); goto error; } @@ -343,15 +343,14 @@ error: return false; } -static void page_flip_handler(int fd, unsigned seq, unsigned tv_sec, unsigned tv_usec, - void *user) { - +static void page_flip_handler(int fd, unsigned seq, + unsigned tv_sec, unsigned tv_usec, void *user) { struct wlr_drm_output *out = user; - struct wlr_drm_backend *backend = wl_container_of(out->renderer, backend, renderer); + struct wlr_backend_state *state = wl_container_of(out->renderer, state, renderer); out->pageflip_pending = false; if (out->state == DRM_OUTPUT_CONNECTED) { - wl_signal_emit(&backend->signals.output_render, out); + wl_signal_emit(&state->backend->events.output_frame, out); } } @@ -388,7 +387,7 @@ void wlr_drm_output_cleanup(struct wlr_drm_output *out, bool restore) { } struct wlr_drm_renderer *renderer = out->renderer; - struct wlr_drm_backend *backend = wl_container_of(renderer, backend, renderer); + struct wlr_backend_state *state = wl_container_of(renderer, state, renderer); switch (out->state) { case DRM_OUTPUT_CONNECTED: @@ -414,7 +413,7 @@ void wlr_drm_output_cleanup(struct wlr_drm_output *out, bool restore) { } wlr_log(L_INFO, "Emmiting destruction signal for '%s'", out->name); - wl_signal_emit(&backend->signals.output_rem, out); + wl_signal_emit(&state->backend->events.output_remove, out); break; case DRM_OUTPUT_DISCONNECTED: diff --git a/backend/drm/udev.c b/backend/drm/udev.c index 438047d6..e5470157 100644 --- a/backend/drm/udev.c +++ b/backend/drm/udev.c @@ -11,6 +11,7 @@ #include +#include "backend.h" #include "backend/drm/backend.h" #include "backend/drm/udev.h" #include "backend/drm/drm.h" @@ -139,7 +140,7 @@ int wlr_udev_find_gpu(struct wlr_udev *udev, struct wlr_session *session) { static int udev_event(int fd, uint32_t mask, void *data) { struct wlr_udev *udev = data; - struct wlr_drm_backend *backend = wl_container_of(udev, backend, udev); + struct wlr_backend_state *state = wl_container_of(udev, state, udev); struct udev_device *dev = udev_monitor_receive_device(udev->mon); if (!dev) { @@ -156,7 +157,7 @@ static int udev_event(int fd, uint32_t mask, void *data) { goto out; } - wlr_drm_scan_connectors(backend); + wlr_drm_scan_connectors(state); out: udev_device_unref(dev); diff --git a/example/example-drm.c b/example/example-drm.c index 1b1cce79..2e33e039 100644 --- a/example/example-drm.c +++ b/example/example-drm.c @@ -14,13 +14,12 @@ struct state { struct timespec last_frame; - struct wl_listener add; - struct wl_listener rem; - struct wl_listener render; + struct wl_listener output_add; + struct wl_listener output_remove; + struct wl_listener output_frame; }; -void output_add(struct wl_listener *listener, void *data) -{ +void output_add(struct wl_listener *listener, void *data) { struct wlr_drm_output *out = data; fprintf(stderr, "Output '%s' added\n", wlr_drm_output_get_name(out)); @@ -30,16 +29,14 @@ void output_add(struct wl_listener *listener, void *data) wlr_drm_output_modeset(out, &modes[0]); } -void output_rem(struct wl_listener *listener, void *data) -{ +void output_remove(struct wl_listener *listener, void *data) { struct wlr_drm_output *out = data; fprintf(stderr, "Output '%s' removed\n", wlr_drm_output_get_name(out)); } -void output_render(struct wl_listener *listener, void *data) -{ +void output_frame(struct wl_listener *listener, void *data) { struct wlr_drm_output *out = data; - struct state *s = wl_container_of(listener, s, render); + struct state *s = wl_container_of(listener, s, output_frame); struct timespec now; clock_gettime(CLOCK_MONOTONIC, &now); @@ -68,14 +65,12 @@ void output_render(struct wl_listener *listener, void *data) wlr_drm_output_end(out); } -int timer_done(void *data) -{ +int timer_done(void *data) { *(bool *)data = true; return 1; } -int main() -{ +int main() { if (getenv("DISPLAY")) { fprintf(stderr, "Detected that X is running. Run this in its own virtual terminal.\n"); return 1; @@ -87,14 +82,14 @@ int main() struct state state = { .color = { 1.0, 0.0, 0.0 }, .dec = 0, - .add = { .notify = output_add }, - .rem = { .notify = output_rem }, - .render = { .notify = output_render }, + .output_add = { .notify = output_add }, + .output_remove = { .notify = output_remove }, + .output_frame = { .notify = output_frame }, }; - wl_list_init(&state.add.link); - wl_list_init(&state.rem.link); - wl_list_init(&state.render.link); + wl_list_init(&state.output_add.link); + wl_list_init(&state.output_remove.link); + wl_list_init(&state.output_frame.link); clock_gettime(CLOCK_MONOTONIC, &state.last_frame); struct wl_display *display = wl_display_create(); @@ -105,19 +100,25 @@ int main() return 1; } - struct wlr_drm_backend *wlr = wlr_drm_backend_init(display, session, - &state.add, &state.rem, &state.render); + struct wlr_backend *wlr = wlr_drm_backend_create(display, session); + wl_signal_add(&wlr->events.output_add, &state.output_add); + wl_signal_add(&wlr->events.output_remove, &state.output_remove); + wl_signal_add(&wlr->events.output_frame, &state.output_frame); + if (!wlr || !wlr_backend_init(wlr)) { + return 1; + } bool done = false; struct wl_event_source *timer = wl_event_loop_add_timer(event_loop, timer_done, &done); - wl_event_source_timer_update(timer, 10000); + wl_event_source_timer_update(timer, 5000); - while (!done) + while (!done) { wl_event_loop_dispatch(event_loop, 0); + } wl_event_source_remove(timer); - wlr_drm_backend_free(wlr); + wlr_backend_destroy(wlr); wl_display_destroy(display); } diff --git a/include/backend.h b/include/backend.h new file mode 100644 index 00000000..d42c6f17 --- /dev/null +++ b/include/backend.h @@ -0,0 +1,17 @@ +#ifndef _WLR_BACKEND_INTERNAL_H +#define _WLR_BACKEND_INTERNAL_H + +#include +#include + +struct wlr_backend_state; + +struct wlr_backend_impl { + bool (*init)(struct wlr_backend_state *state); + void (*destroy)(struct wlr_backend_state *state); +}; + +struct wlr_backend *wlr_backend_create(const struct wlr_backend_impl *impl, + struct wlr_backend_state *state); + +#endif diff --git a/include/backend/drm/backend.h b/include/backend/drm/backend.h index bdda7ea7..0c725ccb 100644 --- a/include/backend/drm/backend.h +++ b/include/backend/drm/backend.h @@ -12,21 +12,17 @@ #include #include +#include "backend.h" #include "udev.h" #include "event.h" #include "drm.h" -struct wlr_drm_backend { +struct wlr_backend_state { int fd; + struct wlr_backend *backend; struct wl_event_source *drm_event; - struct { - struct wl_signal output_add; - struct wl_signal output_rem; - struct wl_signal output_render; - } signals; - uint32_t taken_crtcs; list_t *outputs; diff --git a/include/backend/drm/drm.h b/include/backend/drm/drm.h index 51b0cdc6..3e83058a 100644 --- a/include/backend/drm/drm.h +++ b/include/backend/drm/drm.h @@ -8,6 +8,7 @@ #include #include "backend/egl.h" +#include "backend.h" struct wlr_drm_renderer { int fd; @@ -50,7 +51,7 @@ struct wlr_drm_output { void wlr_drm_output_cleanup(struct wlr_drm_output *out, bool restore); -void wlr_drm_scan_connectors(struct wlr_drm_backend *backend); +void wlr_drm_scan_connectors(struct wlr_backend_state *state); int wlr_drm_event(int fd, uint32_t mask, void *data); #endif diff --git a/include/wlr/backend.h b/include/wlr/backend.h index 527efa05..88a5c8e9 100644 --- a/include/wlr/backend.h +++ b/include/wlr/backend.h @@ -1,7 +1,30 @@ #ifndef _WLR_BACKEND_H #define _WLR_BACKEND_H -struct wlr_backend *wlr_backend_init(); -void wlr_backend_free(struct wlr_backend *backend); +#include + +struct wlr_backend_impl; +struct wlr_backend_state; + +struct wlr_backend { + const struct wlr_backend_impl *impl; + struct wlr_backend_state *state; + + struct { + struct wl_signal output_add; + struct wl_signal output_remove; + struct wl_signal output_frame; + struct wl_signal keyboard_add; + struct wl_signal keyboard_remove; + struct wl_signal pointer_add; + struct wl_signal pointer_remove; + struct wl_signal touch_add; + struct wl_signal touch_remove; + } events; +}; + +struct wlr_backend *wlr_backend_autocreate(); +bool wlr_backend_init(struct wlr_backend *backend); +void wlr_backend_destroy(struct wlr_backend *backend); #endif diff --git a/include/wlr/backend/drm.h b/include/wlr/backend/drm.h index 4131b4cb..5db9b35c 100644 --- a/include/wlr/backend/drm.h +++ b/include/wlr/backend/drm.h @@ -3,6 +3,7 @@ #include #include +#include #include // drmModeModeInfo struct wlr_drm_backend; @@ -15,10 +16,8 @@ struct wlr_drm_mode { drmModeModeInfo mode; }; -struct wlr_drm_backend *wlr_drm_backend_init(struct wl_display *display, - struct wlr_session *session, struct wl_listener *add, struct wl_listener *rem, - struct wl_listener *render); -void wlr_drm_backend_free(struct wlr_drm_backend *backend); +struct wlr_backend *wlr_drm_backend_create(struct wl_display *display, + struct wlr_session *session); const char *wlr_drm_output_get_name(struct wlr_drm_output *out); -- cgit v1.2.3 From 00931f2f8fa4098c5e70b5ececd6d2dcb8786f90 Mon Sep 17 00:00:00 2001 From: Drew DeVault Date: Sun, 7 May 2017 12:26:48 -0400 Subject: Generalize output handling --- backend/CMakeLists.txt | 8 +- backend/backend.c | 3 +- backend/drm/backend.c | 11 +- backend/drm/drm.c | 387 +++++++++++++++++++++--------------------- example/CMakeLists.txt | 8 - example/example-drm.c | 124 -------------- example/main.c | 142 ++++++++++++++-- include/backend/drm/drm.h | 15 +- include/wayland.h | 18 ++ include/wlr/backend.h | 1 - include/wlr/backend/drm.h | 20 +-- include/wlr/wayland.h | 41 ++--- wayland/CMakeLists.txt | 3 +- wayland/types/wlr_output.c | 31 ++++ wayland/types/wlr_wl_output.c | 16 -- wayland/types/wlr_wl_seat.c | 19 --- 16 files changed, 405 insertions(+), 442 deletions(-) delete mode 100644 example/example-drm.c create mode 100644 include/wayland.h create mode 100644 wayland/types/wlr_output.c delete mode 100644 wayland/types/wlr_wl_output.c delete mode 100644 wayland/types/wlr_wl_seat.c (limited to 'example') diff --git a/backend/CMakeLists.txt b/backend/CMakeLists.txt index 7183617c..fc1793cf 100644 --- a/backend/CMakeLists.txt +++ b/backend/CMakeLists.txt @@ -5,10 +5,10 @@ include_directories( ) add_library(wlr-backend - wayland/backend.c - wayland/registry.c - wayland/wl_seat.c - wayland/wl_output.c + #wayland/backend.c + #wayland/registry.c + #wayland/wl_seat.c + #wayland/wl_output.c drm/backend.c drm/drm.c drm/udev.c diff --git a/backend/backend.c b/backend/backend.c index e40aaefe..753bb3ae 100644 --- a/backend/backend.c +++ b/backend/backend.c @@ -16,7 +16,6 @@ struct wlr_backend *wlr_backend_create(const struct wlr_backend_impl *impl, backend->impl = impl; wl_signal_init(&backend->events.output_add); wl_signal_init(&backend->events.output_remove); - wl_signal_init(&backend->events.output_frame); wl_signal_init(&backend->events.keyboard_add); wl_signal_init(&backend->events.keyboard_remove); wl_signal_init(&backend->events.pointer_add); @@ -32,6 +31,6 @@ bool wlr_backend_init(struct wlr_backend *backend) { void wlr_backend_destroy(struct wlr_backend *backend) { backend->impl->destroy(backend->state); - // TODO: Free anything else? + // TODO: free outputs free(backend); } diff --git a/backend/drm/backend.c b/backend/drm/backend.c index 8c02669a..0da84745 100644 --- a/backend/drm/backend.c +++ b/backend/drm/backend.c @@ -19,18 +19,11 @@ static bool wlr_drm_backend_init(struct wlr_backend_state *state) { return true; } -static void free_output(void *item) { - struct wlr_drm_output *out = item; - wlr_drm_output_cleanup(out, true); - free(out); -} - static void wlr_drm_backend_destroy(struct wlr_backend_state *state) { if (!state) { return; } - list_foreach(state->outputs, free_output); - list_free(state->outputs); + // TODO: free outputs in shared backend code wlr_drm_renderer_free(&state->renderer); wlr_udev_free(&state->udev); wlr_session_close_file(state->session, state->fd); @@ -86,6 +79,8 @@ struct wlr_backend *wlr_drm_backend_create(struct wl_display *display, goto error_fd; } + // TODO: what is the difference between the per-output renderer and this + // one? if (!wlr_drm_renderer_init(&state->renderer, state->fd)) { wlr_log(L_ERROR, "Failed to initialize renderer"); goto error_event; diff --git a/backend/drm/drm.c b/backend/drm/drm.c index abb3fb26..5b186e41 100644 --- a/backend/drm/drm.c +++ b/backend/drm/drm.c @@ -13,6 +13,7 @@ #include #include +#include "wayland.h" #include "backend.h" #include "backend/drm/backend.h" #include "backend/drm/drm.h" @@ -39,7 +40,6 @@ static const char *conn_name[] = { }; bool wlr_drm_renderer_init(struct wlr_drm_renderer *renderer, int fd) { - renderer->gbm = gbm_create_device(fd); if (!renderer->gbm) { wlr_log(L_ERROR, "Failed to create GBM device: %s", strerror(errno)); @@ -59,7 +59,6 @@ void wlr_drm_renderer_free(struct wlr_drm_renderer *renderer) { if (!renderer) { return; } - wlr_egl_free(&renderer->egl); gbm_device_destroy(renderer->gbm); } @@ -95,79 +94,162 @@ static uint32_t get_fb_for_bo(int fd, struct gbm_bo *bo) { return *id; } -void wlr_drm_output_begin(struct wlr_drm_output *out) { - struct wlr_drm_renderer *renderer = out->renderer; - eglMakeCurrent(renderer->egl.display, out->egl, out->egl, renderer->egl.context); +void wlr_drm_output_begin(struct wlr_output *output) { + struct wlr_output_state *_output = output->state; + struct wlr_drm_renderer *renderer = _output->renderer; + eglMakeCurrent(renderer->egl.display, _output->egl, + _output->egl, renderer->egl.context); } -void wlr_drm_output_end(struct wlr_drm_output *out) { - struct wlr_drm_renderer *renderer = out->renderer; - eglSwapBuffers(renderer->egl.display, out->egl); +void wlr_drm_output_end(struct wlr_output *output) { + struct wlr_output_state *_output = output->state; + struct wlr_drm_renderer *renderer = _output->renderer; - struct gbm_bo *bo = gbm_surface_lock_front_buffer(out->gbm); + eglSwapBuffers(renderer->egl.display, _output->egl); + struct gbm_bo *bo = gbm_surface_lock_front_buffer(_output->gbm); uint32_t fb_id = get_fb_for_bo(renderer->fd, bo); - - drmModePageFlip(renderer->fd, out->crtc, fb_id, DRM_MODE_PAGE_FLIP_EVENT, out); - - gbm_surface_release_buffer(out->gbm, bo); - - out->pageflip_pending = true; + drmModePageFlip(renderer->fd, _output->crtc, fb_id, DRM_MODE_PAGE_FLIP_EVENT, _output); + gbm_surface_release_buffer(_output->gbm, bo); + _output->pageflip_pending = true; } static bool display_init_renderer(struct wlr_drm_renderer *renderer, - struct wlr_drm_output *out) { - - out->renderer = renderer; - - out->gbm = gbm_surface_create(renderer->gbm, out->width, out->height, - GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING); - if (!out->gbm) { - wlr_log(L_ERROR, "Failed to create GBM surface for %s: %s", out->name, + struct wlr_output_state *output) { + struct wlr_output_mode *mode = output->wlr_output->current_mode; + output->renderer = renderer; + output->gbm = gbm_surface_create(renderer->gbm, mode->width, + mode->height, GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING); + if (!output->gbm) { + wlr_log(L_ERROR, "Failed to create GBM surface for %s: %s", output->name, strerror(errno)); return false; } - out->egl = wlr_egl_create_surface(&renderer->egl, out->gbm); - if (out->egl == EGL_NO_SURFACE) { - wlr_log(L_ERROR, "Failed to create EGL surface for %s", out->name); + output->egl = wlr_egl_create_surface(&renderer->egl, output->gbm); + if (output->egl == EGL_NO_SURFACE) { + wlr_log(L_ERROR, "Failed to create EGL surface for %s", output->name); return false; } // Render black frame + eglMakeCurrent(renderer->egl.display, output->egl, output->egl, renderer->egl.context); - eglMakeCurrent(renderer->egl.display, out->egl, out->egl, renderer->egl.context); - - glViewport(0, 0, out->width, out->height); + glViewport(0, 0, output->width, output->height); glClearColor(0.0, 0.0, 0.0, 1.0); glClear(GL_COLOR_BUFFER_BIT); - eglSwapBuffers(renderer->egl.display, out->egl); + eglSwapBuffers(renderer->egl.display, output->egl); - struct gbm_bo *bo = gbm_surface_lock_front_buffer(out->gbm); + struct gbm_bo *bo = gbm_surface_lock_front_buffer(output->gbm); uint32_t fb_id = get_fb_for_bo(renderer->fd, bo); - drmModeSetCrtc(renderer->fd, out->crtc, fb_id, 0, 0, - &out->connector, 1, &out->active_mode->mode); - drmModePageFlip(renderer->fd, out->crtc, fb_id, DRM_MODE_PAGE_FLIP_EVENT, out); - - gbm_surface_release_buffer(out->gbm, bo); + drmModeSetCrtc(renderer->fd, output->crtc, fb_id, 0, 0, + &output->connector, 1, &mode->state->mode); + drmModePageFlip(renderer->fd, output->crtc, fb_id, + DRM_MODE_PAGE_FLIP_EVENT, output); + gbm_surface_release_buffer(output->gbm, bo); return true; } static int find_id(const void *item, const void *cmp_to) { - const struct wlr_drm_output *out = item; + const struct wlr_output_state *output = item; const uint32_t *id = cmp_to; - if (out->connector < *id) { + if (output->connector < *id) { return -1; - } else if (out->connector > *id) { + } else if (output->connector > *id) { return 1; } else { return 0; } } +static bool wlr_drm_output_set_mode(struct wlr_output_state *output, + struct wlr_output_mode *mode) { + struct wlr_backend_state *state = + wl_container_of(output->renderer, state, renderer); + + wlr_log(L_INFO, "Modesetting '%s' with '%ux%u@%u mHz'", output->name, + mode->width, mode->height, mode->refresh); + + drmModeConnector *conn = drmModeGetConnector(state->fd, output->connector); + if (!conn) { + wlr_log(L_ERROR, "Failed to get DRM connector"); + goto error; + } + + if (conn->connection != DRM_MODE_CONNECTED || conn->count_modes == 0) { + wlr_log(L_ERROR, "%s is not connected", output->name); + goto error; + } + + drmModeRes *res = drmModeGetResources(state->fd); + if (!res) { + wlr_log(L_ERROR, "Failed to get DRM resources"); + goto error; + } + + bool success = false; + for (int i = 0; !success && i < conn->count_encoders; ++i) { + drmModeEncoder *enc = drmModeGetEncoder(state->fd, conn->encoders[i]); + if (!enc) { + continue; + } + + for (int j = 0; j < res->count_crtcs; ++j) { + if ((enc->possible_crtcs & (1 << j)) == 0) { + continue; + } + + if ((state->taken_crtcs & (1 << j)) == 0) { + state->taken_crtcs |= 1 << j; + output->crtc = res->crtcs[j]; + success = true; + break; + } + } + drmModeFreeEncoder(enc); + } + + drmModeFreeResources(res); + + if (!success) { + wlr_log(L_ERROR, "Failed to find CRTC for %s", output->name); + goto error; + } + + output->state = DRM_OUTPUT_CONNECTED; + output->width = mode->width; + output->height = mode->height; + output->wlr_output->current_mode = mode; + + if (!display_init_renderer(&state->renderer, output)) { + wlr_log(L_ERROR, "Failed to initalise renderer for %s", output->name); + goto error; + } + + drmModeFreeConnector(conn); + return true; + +error: + // TODO: destroy + wlr_drm_output_cleanup(output, false); + drmModeFreeConnector(conn); + return false; +} + +static void wlr_drm_output_destroy(struct wlr_output_state *output) { + wlr_drm_output_cleanup(output, true); + wlr_drm_renderer_free(output->renderer); + free(output); +} + +static struct wlr_output_impl output_impl = { + .set_mode = wlr_drm_output_set_mode, + .destroy = wlr_drm_output_destroy, +}; + void wlr_drm_scan_connectors(struct wlr_backend_state *state) { wlr_log(L_INFO, "Scanning DRM connectors"); @@ -186,171 +268,98 @@ void wlr_drm_scan_connectors(struct wlr_backend_state *state) { continue; } - struct wlr_drm_output *out; + struct wlr_output_state *output; + struct wlr_output *wlr_output; int index = list_seq_find(state->outputs, find_id, &id); if (index == -1) { - out = calloc(1, sizeof(struct wlr_drm_output)); - if (!out) { + output = calloc(1, sizeof(struct wlr_output_state)); + if (!state) { + drmModeFreeConnector(conn); wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno)); + return; + } + wlr_output = output->wlr_output = wlr_output_create(&output_impl, output); + if (!wlr_output) { drmModeFreeConnector(conn); - continue; + wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno)); + return; } - out->renderer = &state->renderer; - out->state = DRM_OUTPUT_DISCONNECTED; - out->connector = id; - snprintf(out->name, sizeof out->name, "%s-%"PRIu32, + output->renderer = &state->renderer; + output->state = DRM_OUTPUT_DISCONNECTED; + output->connector = id; + // TODO: Populate more wlr_output fields + // TODO: Move this to wlr_output->name + snprintf(output->name, sizeof(output->name), "%s-%"PRIu32, conn_name[conn->connector_type], conn->connector_type_id); drmModeEncoder *curr_enc = drmModeGetEncoder(state->fd, conn->encoder_id); if (curr_enc) { - out->old_crtc = drmModeGetCrtc(state->fd, curr_enc->crtc_id); + output->old_crtc = drmModeGetCrtc(state->fd, curr_enc->crtc_id); free(curr_enc); } - list_add(state->outputs, out); - wlr_log(L_INFO, "Found display '%s'", out->name); + list_add(state->outputs, output); + wlr_log(L_INFO, "Found display '%s'", output->name); } else { - out = state->outputs->items[index]; + output = state->outputs->items[index]; + wlr_output = output->wlr_output; } - if (out->state == DRM_OUTPUT_DISCONNECTED && + // TODO: move state into wlr_output + if (output->state == DRM_OUTPUT_DISCONNECTED && conn->connection == DRM_MODE_CONNECTED) { - wlr_log(L_INFO, "'%s' connected", out->name); - - out->modes = malloc(sizeof(*out->modes) * conn->count_modes); - if (!out->modes) { - wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno)); - goto error; - } - + wlr_log(L_INFO, "'%s' connected", output->name); wlr_log(L_INFO, "Detected modes:"); - out->num_modes = conn->count_modes; for (int i = 0; i < conn->count_modes; ++i) { - drmModeModeInfo *mode = &conn->modes[i]; - out->modes[i].width = mode->hdisplay; - out->modes[i].height = mode->vdisplay; + struct wlr_output_mode_state *_state = calloc(1, + sizeof(struct wlr_output_mode_state)); + _state->mode = conn->modes[i]; + struct wlr_output_mode *mode = calloc(1, + sizeof(struct wlr_output_mode)); + mode->width = _state->mode.hdisplay; // TODO: Calculate more accurate refresh rate - out->modes[i].rate = mode->vrefresh; - out->modes[i].mode = *mode; + // TODO: Check that this refresh rate is mHz + mode->height = _state->mode.vdisplay; + mode->state = _state; wlr_log(L_INFO, " %"PRIu16"@%"PRIu16"@%"PRIu32, - mode->hdisplay, mode->vdisplay, - mode->vrefresh); - } - - out->state = DRM_OUTPUT_NEEDS_MODESET; - wlr_log(L_INFO, "Sending modesetting signal for '%s'", out->name); - wl_signal_emit(&state->backend->events.output_add, out); - } else if (out->state == DRM_OUTPUT_CONNECTED && - conn->connection != DRM_MODE_CONNECTED) { - - wlr_log(L_INFO, "'%s' disconnected", out->name); - wlr_drm_output_cleanup(out, false); - } -error: - drmModeFreeConnector(conn); - } - - drmModeFreeResources(res); -} - -struct wlr_drm_mode *wlr_drm_output_get_modes(struct wlr_drm_output *out, size_t *count) { - if (out->state == DRM_OUTPUT_DISCONNECTED) { - *count = 0; - return NULL; - } - - *count = out->num_modes; - return out->modes; -} - -bool wlr_drm_output_modeset(struct wlr_drm_output *out, struct wlr_drm_mode *mode) { - struct wlr_backend_state *state = wl_container_of(out->renderer, state, renderer); - - wlr_log(L_INFO, "Modesetting '%s' with '%ux%u@%u'", out->name, mode->width, - mode->height, mode->rate); - - drmModeConnector *conn = drmModeGetConnector(state->fd, out->connector); - if (!conn) { - wlr_log(L_ERROR, "Failed to get DRM connector"); - goto error; - } - - if (conn->connection != DRM_MODE_CONNECTED || conn->count_modes == 0) { - wlr_log(L_ERROR, "%s is not connected", out->name); - goto error; - } - - drmModeRes *res = drmModeGetResources(state->fd); - if (!res) { - wlr_log(L_ERROR, "Failed to get DRM resources"); - goto error; - } - - bool success = false; - for (int i = 0; !success && i < conn->count_encoders; ++i) { - drmModeEncoder *enc = drmModeGetEncoder(state->fd, conn->encoders[i]); - if (!enc) - continue; + _state->mode.hdisplay, _state->mode.vdisplay, + _state->mode.vrefresh); - for (int j = 0; j < res->count_crtcs; ++j) { - if ((enc->possible_crtcs & (1 << j)) == 0) { - continue; + list_add(wlr_output->modes, mode); } - if ((state->taken_crtcs & (1 << j)) == 0) { - state->taken_crtcs |= 1 << j; - out->crtc = res->crtcs[j]; + output->state = DRM_OUTPUT_NEEDS_MODESET; + wlr_log(L_INFO, "Sending modesetting signal for '%s'", output->name); + wl_signal_emit(&state->backend->events.output_add, wlr_output); + } else if (output->state == DRM_OUTPUT_CONNECTED && + conn->connection != DRM_MODE_CONNECTED) { - success = true; - break; - } + wlr_log(L_INFO, "'%s' disconnected", output->name); + // TODO: Destroy + wlr_drm_output_cleanup(output, false); } - drmModeFreeEncoder(enc); + drmModeFreeConnector(conn); } drmModeFreeResources(res); - - if (!success) { - wlr_log(L_ERROR, "Failed to find CRTC for %s", out->name); - goto error; - } - - out->state = DRM_OUTPUT_CONNECTED; - out->active_mode = mode; - out->width = mode->width; - out->height = mode->height; - - if (!display_init_renderer(&state->renderer, out)) { - wlr_log(L_ERROR, "Failed to initalise renderer for %s", out->name); - goto error; - } - - drmModeFreeConnector(conn); - - return true; - -error: - wlr_drm_output_cleanup(out, false); - drmModeFreeConnector(conn); - - return false; } static void page_flip_handler(int fd, unsigned seq, unsigned tv_sec, unsigned tv_usec, void *user) { - struct wlr_drm_output *out = user; - struct wlr_backend_state *state = wl_container_of(out->renderer, state, renderer); + struct wlr_output_state *output = user; + struct wlr_backend_state *state = + wl_container_of(output->renderer, state, renderer); - out->pageflip_pending = false; - if (out->state == DRM_OUTPUT_CONNECTED) { - wl_signal_emit(&state->backend->events.output_frame, out); + output->pageflip_pending = false; + if (output->state == DRM_OUTPUT_CONNECTED) { + wl_signal_emit(&output->wlr_output->events.frame, output->wlr_output); } } @@ -361,66 +370,50 @@ int wlr_drm_event(int fd, uint32_t mask, void *data) { }; drmHandleEvent(fd, &event); - return 1; } -static void restore_output(struct wlr_drm_output *out, int fd) { +static void restore_output(struct wlr_output_state *output, int fd) { // Wait for any pending pageflips to finish - while (out->pageflip_pending) { + while (output->pageflip_pending) { wlr_drm_event(fd, 0, NULL); } - drmModeCrtc *crtc = out->old_crtc; + drmModeCrtc *crtc = output->old_crtc; if (!crtc) { return; } drmModeSetCrtc(fd, crtc->crtc_id, crtc->buffer_id, crtc->x, crtc->y, - &out->connector, 1, &crtc->mode); + &output->connector, 1, &crtc->mode); drmModeFreeCrtc(crtc); } -void wlr_drm_output_cleanup(struct wlr_drm_output *out, bool restore) { - if (!out) { +void wlr_drm_output_cleanup(struct wlr_output_state *output, bool restore) { + if (!output) { return; } - struct wlr_drm_renderer *renderer = out->renderer; + struct wlr_drm_renderer *renderer = output->renderer; struct wlr_backend_state *state = wl_container_of(renderer, state, renderer); - switch (out->state) { + switch (output->state) { case DRM_OUTPUT_CONNECTED: - eglDestroySurface(renderer->egl.display, out->egl); - gbm_surface_destroy(out->gbm); - - out->egl = EGL_NO_SURFACE; - out->gbm = NULL; + eglDestroySurface(renderer->egl.display, output->egl); + gbm_surface_destroy(output->gbm); + output->egl = EGL_NO_SURFACE; + output->gbm = NULL; /* Fallthrough */ - case DRM_OUTPUT_NEEDS_MODESET: - free(out->modes); - out->num_modes = 0; - out->modes = NULL; - out->active_mode = NULL; - out->width = 0; - out->height = 0; - - out->state = DRM_OUTPUT_DISCONNECTED; - + output->state = DRM_OUTPUT_DISCONNECTED; if (restore) { - restore_output(out, renderer->fd); + restore_output(output, renderer->fd); } - - wlr_log(L_INFO, "Emmiting destruction signal for '%s'", out->name); - wl_signal_emit(&state->backend->events.output_remove, out); + wlr_log(L_INFO, "Emmiting destruction signal for '%s'", output->name); + wl_signal_emit(&state->backend->events.output_remove, output->wlr_output); break; - case DRM_OUTPUT_DISCONNECTED: break; } -} - -const char *wlr_drm_output_get_name(struct wlr_drm_output *out) { - return out->name; + // TODO: free wlr_output } diff --git a/example/CMakeLists.txt b/example/CMakeLists.txt index 29a77675..f619b97f 100644 --- a/example/CMakeLists.txt +++ b/example/CMakeLists.txt @@ -8,13 +8,5 @@ add_executable(example target_link_libraries(example wlr-backend -) - -add_executable(example-drm - example-drm.c -) - -target_link_libraries(example-drm - wlr-backend wlr-session ) diff --git a/example/example-drm.c b/example/example-drm.c deleted file mode 100644 index 2e33e039..00000000 --- a/example/example-drm.c +++ /dev/null @@ -1,124 +0,0 @@ -#define _POSIX_C_SOURCE 199309L -#include -#include -#include -#include -#include - -#include -#include - -struct state { - float color[3]; - int dec; - - struct timespec last_frame; - - struct wl_listener output_add; - struct wl_listener output_remove; - struct wl_listener output_frame; -}; - -void output_add(struct wl_listener *listener, void *data) { - struct wlr_drm_output *out = data; - fprintf(stderr, "Output '%s' added\n", wlr_drm_output_get_name(out)); - - size_t num_modes; - struct wlr_drm_mode *modes = wlr_drm_output_get_modes(out, &num_modes); - - wlr_drm_output_modeset(out, &modes[0]); -} - -void output_remove(struct wl_listener *listener, void *data) { - struct wlr_drm_output *out = data; - fprintf(stderr, "Output '%s' removed\n", wlr_drm_output_get_name(out)); -} - -void output_frame(struct wl_listener *listener, void *data) { - struct wlr_drm_output *out = data; - struct state *s = wl_container_of(listener, s, output_frame); - - struct timespec now; - clock_gettime(CLOCK_MONOTONIC, &now); - - long ms = (now.tv_sec - s->last_frame.tv_sec) * 1000 + - (now.tv_nsec - s->last_frame.tv_nsec) / 1000000; - int inc = (s->dec + 1) % 3; - - s->color[inc] += ms / 2000.0f; - s->color[s->dec] -= ms / 2000.0f; - - if (s->color[s->dec] < 0.0f) { - s->color[inc] = 1.0f; - s->color[s->dec] = 0.0f; - - s->dec = inc; - } - - s->last_frame = now; - - wlr_drm_output_begin(out); - - glClearColor(s->color[0], s->color[1], s->color[2], 1.0); - glClear(GL_COLOR_BUFFER_BIT); - - wlr_drm_output_end(out); -} - -int timer_done(void *data) { - *(bool *)data = true; - return 1; -} - -int main() { - if (getenv("DISPLAY")) { - fprintf(stderr, "Detected that X is running. Run this in its own virtual terminal.\n"); - return 1; - } else if (getenv("WAYLAND_DISPLAY")) { - fprintf(stderr, "Detected that Wayland is running. Run this in its own virtual terminal.\n"); - return 1; - } - - struct state state = { - .color = { 1.0, 0.0, 0.0 }, - .dec = 0, - .output_add = { .notify = output_add }, - .output_remove = { .notify = output_remove }, - .output_frame = { .notify = output_frame }, - }; - - wl_list_init(&state.output_add.link); - wl_list_init(&state.output_remove.link); - wl_list_init(&state.output_frame.link); - clock_gettime(CLOCK_MONOTONIC, &state.last_frame); - - struct wl_display *display = wl_display_create(); - struct wl_event_loop *event_loop = wl_display_get_event_loop(display); - - struct wlr_session *session = wlr_session_start(); - if (!session) { - return 1; - } - - struct wlr_backend *wlr = wlr_drm_backend_create(display, session); - wl_signal_add(&wlr->events.output_add, &state.output_add); - wl_signal_add(&wlr->events.output_remove, &state.output_remove); - wl_signal_add(&wlr->events.output_frame, &state.output_frame); - if (!wlr || !wlr_backend_init(wlr)) { - return 1; - } - - bool done = false; - struct wl_event_source *timer = wl_event_loop_add_timer(event_loop, - timer_done, &done); - - wl_event_source_timer_update(timer, 5000); - - while (!done) { - wl_event_loop_dispatch(event_loop, 0); - } - - wl_event_source_remove(timer); - wlr_backend_destroy(wlr); - wl_display_destroy(display); -} diff --git a/example/main.c b/example/main.c index 4240b9e3..2c168d98 100644 --- a/example/main.c +++ b/example/main.c @@ -1,19 +1,133 @@ -#define _POSIX_C_SOURCE 200112L +#define _POSIX_C_SOURCE 199309L +#include #include -#include -#include +#include #include +#include +#include +#include +#include -int main(int argc, char **argv) { - // TODO: Move this stuff to a wlr backend selector function - char *_wl_display = getenv("WAYLAND_DISPLAY"); - if (_wl_display) { - unsetenv("WAYLAND_DISPLAY"); - setenv("_WAYLAND_DISPLAY", _wl_display, 1); +struct state { + float color[3]; + int dec; + struct timespec last_frame; + struct wl_listener output_add; + struct wl_listener output_remove; + list_t *outputs; +}; + +struct output_state { + struct wlr_output *output; + struct state *state; + struct wl_listener frame; +}; + +void output_frame(struct wl_listener *listener, void *data) { + struct wlr_output *output = data; + struct output_state *ostate = wl_container_of( + listener, ostate, frame); + struct state *s = ostate->state; + + struct timespec now; + clock_gettime(CLOCK_MONOTONIC, &now); + + long ms = (now.tv_sec - s->last_frame.tv_sec) * 1000 + + (now.tv_nsec - s->last_frame.tv_nsec) / 1000000; + int inc = (s->dec + 1) % 3; + + s->color[inc] += ms / 2000.0f; + s->color[s->dec] -= ms / 2000.0f; + + if (s->color[s->dec] < 0.0f) { + s->color[inc] = 1.0f; + s->color[s->dec] = 0.0f; + + s->dec = inc; + } + + s->last_frame = now; + + wlr_drm_output_begin(output); + + glClearColor(s->color[0], s->color[1], s->color[2], 1.0); + glClear(GL_COLOR_BUFFER_BIT); + + wlr_drm_output_end(output); +} + +void output_add(struct wl_listener *listener, void *data) { + struct wlr_output *output = data; + struct state *state = wl_container_of(listener, state, output_add); + fprintf(stderr, "Output '%s' added\n", output->name); + wlr_output_set_mode(output, output->modes->items[0]); + struct output_state *ostate = calloc(1, sizeof(struct output_state)); + ostate->output = output; + ostate->state = state; + ostate->frame.notify = output_frame; + wl_list_init(&ostate->frame.link); + wl_signal_add(&output->events.frame, &ostate->frame); + list_add(state->outputs, ostate); +} + +void output_remove(struct wl_listener *listener, void *data) { + struct wlr_output *output = data; + fprintf(stderr, "Output '%s' removed\n", output->name); + // TODO: remove signal from state->output_frame +} + +int timer_done(void *data) { + *(bool *)data = true; + return 1; +} + +int main() { + if (getenv("DISPLAY")) { + fprintf(stderr, "Detected that X is running. Run this in its own virtual terminal.\n"); + return 1; + } else if (getenv("WAYLAND_DISPLAY")) { + fprintf(stderr, "Detected that Wayland is running. Run this in its own virtual terminal.\n"); + return 1; + } + + struct state state = { + .color = { 1.0, 0.0, 0.0 }, + .dec = 0, + .output_add = { .notify = output_add }, + .output_remove = { .notify = output_remove }, + .outputs = list_create(), + }; + + wl_list_init(&state.output_add.link); + wl_list_init(&state.output_remove.link); + clock_gettime(CLOCK_MONOTONIC, &state.last_frame); + + struct wl_display *display = wl_display_create(); + struct wl_event_loop *event_loop = wl_display_get_event_loop(display); + + struct wlr_session *session = wlr_session_start(); + if (!session) { + return 1; + } + + struct wlr_backend *wlr = wlr_drm_backend_create(display, session); + wl_signal_add(&wlr->events.output_add, &state.output_add); + wl_signal_add(&wlr->events.output_remove, &state.output_remove); + if (!wlr || !wlr_backend_init(wlr)) { + return 1; + } + + bool done = false; + struct wl_event_source *timer = wl_event_loop_add_timer(event_loop, + timer_done, &done); + + wl_event_source_timer_update(timer, 5000); + + while (!done) { + wl_event_loop_dispatch(event_loop, 0); } - struct wl_display *wl_display = wl_display_create(); - struct wlr_wl_backend *backend = wlr_wl_backend_init(wl_display, 1); - wlr_wl_backend_free(backend); - wl_display_destroy(wl_display); - return 0; + + wl_event_source_remove(timer); + wlr_backend_destroy(wlr); + wl_display_destroy(display); } diff --git a/include/backend/drm/drm.h b/include/backend/drm/drm.h index 3e83058a..4b42aa68 100644 --- a/include/backend/drm/drm.h +++ b/include/backend/drm/drm.h @@ -12,7 +12,6 @@ struct wlr_drm_renderer { int fd; - struct gbm_device *gbm; struct wlr_egl egl; }; @@ -26,15 +25,17 @@ enum wlr_drm_output_state { DRM_OUTPUT_CONNECTED, }; -struct wlr_drm_output { +struct wlr_output_mode_state { + struct wlr_wl_output_mode *wlr_mode; + drmModeModeInfo mode; +}; + +struct wlr_output_state { + struct wlr_output *wlr_output; enum wlr_drm_output_state state; uint32_t connector; char name[16]; - size_t num_modes; - struct wlr_drm_mode *modes; - struct wlr_drm_mode *active_mode; - uint32_t width; uint32_t height; @@ -49,7 +50,7 @@ struct wlr_drm_output { bool cleanup; }; -void wlr_drm_output_cleanup(struct wlr_drm_output *out, bool restore); +void wlr_drm_output_cleanup(struct wlr_output_state *output, bool restore); void wlr_drm_scan_connectors(struct wlr_backend_state *state); int wlr_drm_event(int fd, uint32_t mask, void *data); diff --git a/include/wayland.h b/include/wayland.h new file mode 100644 index 00000000..68817936 --- /dev/null +++ b/include/wayland.h @@ -0,0 +1,18 @@ +#ifndef _WLR_WAYLAND_INTERNAL_H +#define _WLR_WAYLAND_INTERNAL_H + +#include +#include +#include + +struct wlr_output_impl { + bool (*set_mode)(struct wlr_output_state *state, struct wlr_output_mode *mode); + void (*destroy)(struct wlr_output_state *state); +}; + +struct wlr_output *wlr_output_create(struct wlr_output_impl *impl, + struct wlr_output_state *state); + +void wlr_output_free(struct wlr_output *output); + +#endif diff --git a/include/wlr/backend.h b/include/wlr/backend.h index 88a5c8e9..b424c29f 100644 --- a/include/wlr/backend.h +++ b/include/wlr/backend.h @@ -13,7 +13,6 @@ struct wlr_backend { struct { struct wl_signal output_add; struct wl_signal output_remove; - struct wl_signal output_frame; struct wl_signal keyboard_add; struct wl_signal keyboard_remove; struct wl_signal pointer_add; diff --git a/include/wlr/backend/drm.h b/include/wlr/backend/drm.h index 5db9b35c..2d9bf879 100644 --- a/include/wlr/backend/drm.h +++ b/include/wlr/backend/drm.h @@ -5,26 +5,12 @@ #include #include #include // drmModeModeInfo - -struct wlr_drm_backend; -struct wlr_drm_output; - -struct wlr_drm_mode { - uint16_t width; - uint16_t height; - uint32_t rate; - drmModeModeInfo mode; -}; +#include struct wlr_backend *wlr_drm_backend_create(struct wl_display *display, struct wlr_session *session); -const char *wlr_drm_output_get_name(struct wlr_drm_output *out); - -struct wlr_drm_mode *wlr_drm_output_get_modes(struct wlr_drm_output *out, size_t *count); -bool wlr_drm_output_modeset(struct wlr_drm_output *out, struct wlr_drm_mode *mode); - -void wlr_drm_output_begin(struct wlr_drm_output *out); -void wlr_drm_output_end(struct wlr_drm_output *out); +void wlr_drm_output_begin(struct wlr_output *out); +void wlr_drm_output_end(struct wlr_output *out); #endif diff --git a/include/wlr/wayland.h b/include/wlr/wayland.h index bbbd2457..158acc33 100644 --- a/include/wlr/wayland.h +++ b/include/wlr/wayland.h @@ -3,26 +3,26 @@ #include #include +#include -struct wlr_wl_seat { - struct wl_seat *wl_seat; - uint32_t capabilities; - char *name; - list_t *keyboards; - list_t *pointers; -}; - -void wlr_wl_seat_free(struct wlr_wl_seat *seat); +struct wlr_output_mode_state; -struct wlr_wl_output_mode { +struct wlr_output_mode { + struct wlr_output_mode_state *state; uint32_t flags; // enum wl_output_mode int32_t width, height; int32_t refresh; // mHz }; -struct wlr_wl_output { - struct wl_output *wl_output; +struct wlr_output_impl; +struct wlr_output_state; + +struct wlr_output { + const struct wlr_output_impl *impl; + struct wlr_output_state *state; + uint32_t flags; + char *name; char *make; char *model; uint32_t scale; @@ -30,20 +30,15 @@ struct wlr_wl_output { int32_t phys_width, phys_height; // mm int32_t subpixel; // enum wl_output_subpixel int32_t transform; // enum wl_output_transform - list_t *modes; - struct wlr_wl_output_mode *current_mode; -}; -void wlr_wl_output_free(struct wlr_wl_output *output); + list_t *modes; + struct wlr_output_mode *current_mode; -struct wlr_wl_keyboard { - struct wl_keyboard *wl_keyboard; + struct { + struct wl_signal frame; + } events; }; -struct wlr_wl_pointer { - struct wl_pointer *wl_pointer; - struct wl_surface *current_surface; - wl_fixed_t x, y; -}; +bool wlr_output_set_mode(struct wlr_output *output, struct wlr_output_mode *mode); #endif diff --git a/wayland/CMakeLists.txt b/wayland/CMakeLists.txt index be4a00de..675a7bd2 100644 --- a/wayland/CMakeLists.txt +++ b/wayland/CMakeLists.txt @@ -4,8 +4,7 @@ include_directories( ) add_library(wlr-wayland - types/wlr_wl_seat.c - types/wlr_wl_output.c + types/wlr_output.c ) target_link_libraries(wlr-wayland diff --git a/wayland/types/wlr_output.c b/wayland/types/wlr_output.c new file mode 100644 index 00000000..bc093c00 --- /dev/null +++ b/wayland/types/wlr_output.c @@ -0,0 +1,31 @@ +#include +#include +#include "wlr/wayland.h" +#include "wlr/common/list.h" +#include "wayland.h" + +struct wlr_output *wlr_output_create(struct wlr_output_impl *impl, + struct wlr_output_state *state) { + struct wlr_output *output = calloc(1, sizeof(struct wlr_output)); + output->impl = impl; + output->state = state; + output->modes = list_create(); + wl_signal_init(&output->events.frame); + return output; +} + +void wlr_output_free(struct wlr_output *output) { + if (!output) return; + if (output->make) free(output->make); + if (output->model) free(output->model); + for (size_t i = 0; output->modes && i < output->modes->length; ++i) { + free(output->modes->items[i]); + } + list_free(output->modes); + output->impl->destroy(output->state); + free(output); +} + +bool wlr_output_set_mode(struct wlr_output *output, struct wlr_output_mode *mode) { + return output->impl->set_mode(output->state, mode); +} diff --git a/wayland/types/wlr_wl_output.c b/wayland/types/wlr_wl_output.c deleted file mode 100644 index 32aaf070..00000000 --- a/wayland/types/wlr_wl_output.c +++ /dev/null @@ -1,16 +0,0 @@ -#include -#include -#include "wlr/wayland.h" -#include "wlr/common/list.h" - -void wlr_wl_output_free(struct wlr_wl_output *output) { - if (!output) return; - if (output->wl_output) wl_output_destroy(output->wl_output); - if (output->make) free(output->make); - if (output->model) free(output->model); - for (size_t i = 0; output->modes && i < output->modes->length; ++i) { - free(output->modes->items[i]); - } - list_free(output->modes); - free(output); -} diff --git a/wayland/types/wlr_wl_seat.c b/wayland/types/wlr_wl_seat.c deleted file mode 100644 index a5ef3853..00000000 --- a/wayland/types/wlr_wl_seat.c +++ /dev/null @@ -1,19 +0,0 @@ -#include -#include -#include "wlr/wayland.h" -#include "wlr/common/list.h" - -void wlr_wl_seat_free(struct wlr_wl_seat *seat) { - if (!seat) return; - if (seat->wl_seat) wl_seat_destroy(seat->wl_seat); - if (seat->name) free(seat->name); - if (seat->keyboards) { - // TODO: free children - list_free(seat->keyboards); - } - if (seat->pointers) { - // TODO: free children - list_free(seat->keyboards); - } - free(seat); -} -- cgit v1.2.3