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Merge branch 'libinput' into wayland-backend

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master
nyorain 8 years ago
parent 904739c405 7e038a6110
commit 41a477375c
45 changed files with 5381 additions and 2028 deletions
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19
CMake/FindXKBCommon.cmake
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@ -0,0 +1,19 @@
# - Find XKBCommon
# Once done, this will define
#
# XKBCOMMON_FOUND - System has XKBCommon
# XKBCOMMON_INCLUDE_DIRS - The XKBCommon include directories
# XKBCOMMON_LIBRARIES - The libraries needed to use XKBCommon
# XKBCOMMON_DEFINITIONS - Compiler switches required for using XKBCommon
find_package(PkgConfig)
pkg_check_modules(PC_XKBCOMMON QUIET xkbcommon)
find_path(XKBCOMMON_INCLUDE_DIRS NAMES xkbcommon/xkbcommon.h HINTS ${PC_XKBCOMMON_INCLUDE_DIRS})
find_library(XKBCOMMON_LIBRARIES NAMES xkbcommon HINTS ${PC_XKBCOMMON_LIBRARY_DIRS})
set(XKBCOMMON_DEFINITIONS ${PC_XKBCOMMON_CFLAGS_OTHER})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(XKBCOMMON DEFAULT_MSG XKBCOMMON_LIBRARIES XKBCOMMON_INCLUDE_DIRS)
mark_as_advanced(XKBCOMMON_LIBRARIES XKBCOMMON_INCLUDE_DIRS)

4
CMakeLists.txt
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@ -2,9 +2,6 @@ cmake_minimum_required(VERSION 3.1.0)
project(wlroots C)
if (CMAKE_BUILD_TYPE EQUAL "Debug")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g")
endif()
set(CMAKE_C_STANDARD 99)
set(CMAKE_C_EXTENSIONS OFF)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
@ -51,6 +48,7 @@ find_package(GLESv2 REQUIRED)
find_package(DRM REQUIRED)
find_package(GBM REQUIRED)
find_package(LibInput REQUIRED)
find_package(XKBCommon REQUIRED)
find_package(Udev REQUIRED)
find_package(Systemd)

13
backend/CMakeLists.txt
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@ -2,6 +2,7 @@ include_directories(
${PROTOCOLS_INCLUDE_DIRS}
${WAYLAND_INCLUDE_DIR}
${DRM_INCLUDE_DIRS}
${LIBINPUT_INCLUDE_DIRS}
)
add_library(wlr-backend
@ -11,9 +12,18 @@ add_library(wlr-backend
wayland/wl_output.c
drm/backend.c
drm/drm.c
udev.c
libinput/backend.c
libinput/events.c
libinput/keyboard.c
libinput/pointer.c
libinput/touch.c
libinput/tablet_tool.c
multi/backend.c
backend.c
egl.c
udev.c
)
target_link_libraries(wlr-backend
@ -26,5 +36,6 @@ target_link_libraries(wlr-backend
${EGL_LIBRARIES}
${SYSTEMD_LIBRARIES}
${UDEV_LIBRARIES}
${LIBINPUT_LIBRARIES}
${GBM_LIBRARIES}
)

42
backend/backend.c
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@ -3,10 +3,15 @@
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <libinput.h>
#include <wlr/session.h>
#include <wlr/backend/interface.h>
#include <wlr/backend/drm.h>
#include <wlr/backend/libinput.h>
#include <wlr/backend/multi.h>
#include "backend/libinput.h"
#include "backend/udev.h"
#include "common/log.h"
#include "backend/drm.h"
struct wlr_backend *wlr_backend_create(const struct wlr_backend_impl *impl,
struct wlr_backend_state *state) {
@ -17,14 +22,10 @@ struct wlr_backend *wlr_backend_create(const struct wlr_backend_impl *impl,
}
backend->state = state;
backend->impl = impl;
wl_signal_init(&backend->events.input_add);
wl_signal_init(&backend->events.input_remove);
wl_signal_init(&backend->events.output_add);
wl_signal_init(&backend->events.output_remove);
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;
}
@ -51,12 +52,27 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_display *display,
wlr_log(L_ERROR, "Failed to open DRM device");
goto error_udev;
}
struct wlr_backend *wlr;
wlr = wlr_drm_backend_create(display, session, udev, gpu);
if (!wlr) {
struct wlr_backend *multi = wlr_multi_backend_create();
if (!multi) {
goto error_gpu;
}
return wlr;
struct wlr_backend *libinput =
wlr_libinput_backend_create(display, session, udev);
if (!libinput) {
goto error_multi;
}
struct wlr_backend *drm =
wlr_drm_backend_create(display, session, udev, gpu);
if (!drm) {
goto error_libinput;
}
wlr_multi_backend_add(multi, libinput);
wlr_multi_backend_add(multi, drm);
return multi;
error_libinput:
wlr_backend_destroy(libinput);
error_multi:
wlr_backend_destroy(multi);
error_gpu:
close(gpu);
error_udev:
@ -64,3 +80,7 @@ error_udev:
error:
return NULL;
}
struct libinput_device *wlr_libinput_get_device_handle(struct wlr_input_device *dev) {
return dev->state->handle;
}

92
backend/drm/drm.c
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@ -112,8 +112,8 @@ static void wlr_drm_output_end(struct wlr_output_state *output) {
drmModePageFlip(renderer->fd, output->crtc, fb_id, DRM_MODE_PAGE_FLIP_EVENT, output);
output->pageflip_pending = true;
output->bo_last = output->bo_current;
output->bo_current = bo;
output->bo[1] = output->bo[0];
output->bo[0] = bo;
}
void wlr_drm_output_start_renderer(struct wlr_output_state *output) {
@ -141,8 +141,8 @@ void wlr_drm_output_start_renderer(struct wlr_output_state *output) {
drmModePageFlip(renderer->fd, output->crtc, fb_id,
DRM_MODE_PAGE_FLIP_EVENT, output);
output->bo_last = NULL;
output->bo_current = bo;
output->bo[1] = NULL;
output->bo[0] = bo;
}
static bool display_init_renderer(struct wlr_drm_renderer *renderer,
@ -280,6 +280,59 @@ static void wlr_drm_output_transform(struct wlr_output_state *output,
output->wlr_output->transform = transform;
}
static void wlr_drm_cursor_bo_update(struct wlr_output_state *output,
uint32_t width, uint32_t height) {
if (output->cursor_width == width && output->cursor_height == height) {
return;
}
wlr_log(L_DEBUG, "Allocating new cursor bos");
struct wlr_backend_state *state =
wl_container_of(output->renderer, state, renderer);
for (size_t i = 0; i < 2; ++i) {
output->cursor_bo[i] = gbm_bo_create(state->renderer.gbm,
width, height, GBM_FORMAT_ARGB8888,
GBM_BO_USE_CURSOR | GBM_BO_USE_WRITE);
if (!output->cursor_bo[i]) {
wlr_log(L_ERROR, "Failed to create cursor bo");
return;
}
}
}
static bool wlr_drm_output_set_cursor(struct wlr_output_state *output,
const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height) {
struct wlr_backend_state *state =
wl_container_of(output->renderer, state, renderer);
if (!buf) {
drmModeSetCursor(state->fd, output->crtc, 0, 0, 0);
return true;
}
wlr_drm_cursor_bo_update(output, width, height);
struct gbm_bo *bo;
output->current_cursor ^= 1;
bo = output->cursor_bo[output->current_cursor];
uint32_t _buf[width * height];
memset(_buf, 0, sizeof(_buf));
for (size_t i = 0; i < height; ++i) {
memcpy(_buf + i * width,
buf + i * stride,
width * 4);
}
if (gbm_bo_write(bo, _buf, sizeof(_buf)) < 0) {
wlr_log(L_ERROR, "Failed to write cursor to bo");
return false;
}
return !drmModeSetCursor(state->fd, output->crtc,
gbm_bo_get_handle(bo).s32, width, height);
}
static bool wlr_drm_output_move_cursor(struct wlr_output_state *output,
int x, int y) {
struct wlr_backend_state *state =
wl_container_of(output->renderer, state, renderer);
return !drmModeMoveCursor(state->fd, output->crtc, x, y);
}
static void wlr_drm_output_destroy(struct wlr_output_state *output) {
wlr_drm_output_cleanup(output, true);
free(output);
@ -289,6 +342,8 @@ static struct wlr_output_impl output_impl = {
.enable = wlr_drm_output_enable,
.set_mode = wlr_drm_output_set_mode,
.transform = wlr_drm_output_transform,
.set_cursor = wlr_drm_output_set_cursor,
.move_cursor = wlr_drm_output_move_cursor,
.destroy = wlr_drm_output_destroy,
};
@ -457,6 +512,29 @@ void wlr_drm_scan_connectors(struct wlr_backend_state *state) {
snprintf(wlr_output->name, sizeof(wlr_output->name), "%s-%"PRIu32,
conn_name[conn->connector_type],
conn->connector_type_id);
wlr_output->phys_width = conn->mmWidth;
wlr_output->phys_height = conn->mmHeight;
switch (conn->subpixel) {
case DRM_MODE_SUBPIXEL_UNKNOWN:
wlr_output->subpixel = WL_OUTPUT_SUBPIXEL_UNKNOWN;
break;
case DRM_MODE_SUBPIXEL_HORIZONTAL_RGB:
wlr_output->subpixel = WL_OUTPUT_SUBPIXEL_HORIZONTAL_RGB;
break;
case DRM_MODE_SUBPIXEL_HORIZONTAL_BGR:
wlr_output->subpixel = WL_OUTPUT_SUBPIXEL_HORIZONTAL_BGR;
break;
case DRM_MODE_SUBPIXEL_VERTICAL_RGB:
wlr_output->subpixel = WL_OUTPUT_SUBPIXEL_VERTICAL_RGB;
break;
case DRM_MODE_SUBPIXEL_VERTICAL_BGR:
wlr_output->subpixel = WL_OUTPUT_SUBPIXEL_VERTICAL_BGR;
break;
case DRM_MODE_SUBPIXEL_NONE:
default:
wlr_output->subpixel = WL_OUTPUT_SUBPIXEL_NONE;
break;
}
drmModeEncoder *curr_enc = drmModeGetEncoder(state->fd, conn->encoder_id);
if (curr_enc) {
@ -519,9 +597,9 @@ static void page_flip_handler(int fd, unsigned seq,
struct wlr_backend_state *state =
wl_container_of(output->renderer, state, renderer);
if (output->bo_last) {
gbm_surface_release_buffer(output->gbm, output->bo_last);
output->bo_last = NULL;
if (output->bo[1]) {
gbm_surface_release_buffer(output->gbm, output->bo[1]);
output->bo[1] = NULL;
}
output->pageflip_pending = false;

121
backend/libinput/backend.c
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@ -0,0 +1,121 @@
#include <stdlib.h>
#include <assert.h>
#include <libinput.h>
#include <wlr/session.h>
#include <wlr/backend/interface.h>
#include "backend/udev.h"
#include "backend/libinput.h"
#include "common/log.h"
static int wlr_libinput_open_restricted(const char *path,
int flags, void *_state) {
struct wlr_backend_state *state = _state;
return wlr_session_open_file(state->session, path);
}
static void wlr_libinput_close_restricted(int fd, void *_state) {
struct wlr_backend_state *state = _state;
wlr_session_close_file(state->session, fd);
}
static const struct libinput_interface libinput_impl = {
.open_restricted = wlr_libinput_open_restricted,
.close_restricted = wlr_libinput_close_restricted
};
static int wlr_libinput_readable(int fd, uint32_t mask, void *_state) {
struct wlr_backend_state *state = _state;
if (libinput_dispatch(state->libinput) != 0) {
wlr_log(L_ERROR, "Failed to dispatch libinput");
// TODO: some kind of abort?
return 0;
}
struct libinput_event *event;
while ((event = libinput_get_event(state->libinput))) {
wlr_libinput_event(state, event);
}
return 0;
}
static void wlr_libinput_log(struct libinput *libinput,
enum libinput_log_priority priority, const char *fmt, va_list args) {
_wlr_vlog(L_ERROR, fmt, args);
}
static bool wlr_libinput_backend_init(struct wlr_backend_state *state) {
wlr_log(L_DEBUG, "Initializing libinput");
state->libinput = libinput_udev_create_context(&libinput_impl, state,
state->udev->udev);
if (!state->libinput) {
wlr_log(L_ERROR, "Failed to create libinput context");
return false;
}
// TODO: Let user customize seat used
if (libinput_udev_assign_seat(state->libinput, "seat0") != 0) {
wlr_log(L_ERROR, "Failed to assign libinput seat");
return false;
}
// TODO: More sophisticated logging
libinput_log_set_handler(state->libinput, wlr_libinput_log);
libinput_log_set_priority(state->libinput, LIBINPUT_LOG_PRIORITY_ERROR);
struct wl_event_loop *event_loop =
wl_display_get_event_loop(state->display);
if (state->input_event) {
wl_event_source_remove(state->input_event);
}
state->input_event = wl_event_loop_add_fd(event_loop,
libinput_get_fd(state->libinput), WL_EVENT_READABLE,
wlr_libinput_readable, state);
if (!state->input_event) {
wlr_log(L_ERROR, "Failed to create input event on event loop");
return false;
}
wlr_log(L_DEBUG, "libinput sucessfully initialized");
return true;
}
static void wlr_libinput_backend_destroy(struct wlr_backend_state *state) {
// TODO
}
static struct wlr_backend_impl backend_impl = {
.init = wlr_libinput_backend_init,
.destroy = wlr_libinput_backend_destroy
};
struct wlr_backend *wlr_libinput_backend_create(struct wl_display *display,
struct wlr_session *session, struct wlr_udev *udev) {
assert(display && session && udev);
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;
}
struct wlr_backend *backend = wlr_backend_create(&backend_impl, state);
if (!backend) {
wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
goto error_state;
}
if (!(state->devices = list_create())) {
wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
goto error_backend;
}
state->backend = backend;
state->session = session;
state->udev = udev;
state->display = display;
return backend;
error_state:
free(state);
error_backend:
wlr_backend_destroy(backend);
return NULL;
}

176
backend/libinput/events.c
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@ -0,0 +1,176 @@
#include <stdlib.h>
#include <assert.h>
#include <libinput.h>
#include <wlr/session.h>
#include <wlr/types.h>
#include <wlr/common/list.h>
#include "backend/libinput.h"
#include "common/log.h"
#include "types.h"
struct wlr_input_device *get_appropriate_device(
enum wlr_input_device_type desired_type,
struct libinput_device *device) {
list_t *devices = libinput_device_get_user_data(device);
if (!devices) {
return NULL;
}
for (size_t i = 0; i < devices->length; ++i) {
struct wlr_input_device *dev = devices->items[i];
if (dev->type == desired_type) {
return dev;
}
}
return NULL;
}
static void wlr_libinput_device_destroy(struct wlr_input_device_state *state) {
libinput_device_unref(state->handle);
free(state);
}
static struct wlr_input_device_impl input_device_impl = {
.destroy = wlr_libinput_device_destroy
};
static struct wlr_input_device *allocate_device(
struct wlr_backend_state *state, struct libinput_device *device,
list_t *devices, enum wlr_input_device_type type) {
int vendor = libinput_device_get_id_vendor(device);
int product = libinput_device_get_id_product(device);
const char *name = libinput_device_get_name(device);
struct wlr_input_device_state *devstate =
calloc(1, sizeof(struct wlr_input_device_state));
devstate->handle = device;
libinput_device_ref(device);
struct wlr_input_device *wlr_device = wlr_input_device_create(
type, &input_device_impl, devstate,
name, vendor, product);
list_add(devices, wlr_device);
list_add(state->devices, wlr_device);
return wlr_device;
}
static void handle_device_added(struct wlr_backend_state *state,
struct libinput_device *device) {
assert(state && device);
/*
* Note: the wlr API exposes only devices with a single capability, because
* that meshes better with how Wayland does things and is a bit simpler.
* However, libinput devices often have multiple capabilities - in such
* cases we have to create several devices.
*/
int vendor = libinput_device_get_id_vendor(device);
int product = libinput_device_get_id_product(device);
const char *name = libinput_device_get_name(device);
list_t *devices = list_create();
wlr_log(L_DEBUG, "Added %s [%d:%d]", name, vendor, product);
if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_KEYBOARD)) {
struct wlr_input_device *wlr_device = allocate_device(state,
device, devices, WLR_INPUT_DEVICE_KEYBOARD);
wlr_device->keyboard = wlr_libinput_keyboard_create(device);
wl_signal_emit(&state->backend->events.input_add, wlr_device);
}
if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_POINTER)) {
struct wlr_input_device *wlr_device = allocate_device(state,
device, devices, WLR_INPUT_DEVICE_POINTER);
wlr_device->pointer = wlr_libinput_pointer_create(device);
wl_signal_emit(&state->backend->events.input_add, wlr_device);
}
if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_TOUCH)) {
struct wlr_input_device *wlr_device = allocate_device(state,
device, devices, WLR_INPUT_DEVICE_TOUCH);
wlr_device->touch = wlr_libinput_touch_create(device);
wl_signal_emit(&state->backend->events.input_add, wlr_device);
}
if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_TABLET_TOOL)) {
struct wlr_input_device *wlr_device = allocate_device(state,
device, devices, WLR_INPUT_DEVICE_TABLET_TOOL);
wlr_device->tablet_tool = wlr_libinput_tablet_tool_create(device);
wl_signal_emit(&state->backend->events.input_add, wlr_device);
}
if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_TABLET_PAD)) {
// TODO
}
if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_GESTURE)) {
// TODO
}
if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_SWITCH)) {
// TODO
}
if (devices->length > 0) {
libinput_device_set_user_data(device, devices);
} else {
list_free(devices);
}
}
static void handle_device_removed(struct wlr_backend_state *state,
struct libinput_device *device) {
wlr_log(L_DEBUG, "libinput device removed");
// TODO
}
void wlr_libinput_event(struct wlr_backend_state *state,
struct libinput_event *event) {
assert(state && event);
struct libinput *context = libinput_event_get_context(event);
struct libinput_device *device = libinput_event_get_device(event);
enum libinput_event_type event_type = libinput_event_get_type(event);
(void)context;
switch (event_type) {
case LIBINPUT_EVENT_DEVICE_ADDED:
handle_device_added(state, device);
break;
case LIBINPUT_EVENT_DEVICE_REMOVED:
handle_device_removed(state, device);
break;
case LIBINPUT_EVENT_KEYBOARD_KEY:
handle_keyboard_key(event, device);
break;
case LIBINPUT_EVENT_POINTER_MOTION:
handle_pointer_motion(event, device);
break;
case LIBINPUT_EVENT_POINTER_MOTION_ABSOLUTE:
handle_pointer_motion_abs(event, device);
break;
case LIBINPUT_EVENT_POINTER_BUTTON:
handle_pointer_button(event, device);
break;
case LIBINPUT_EVENT_POINTER_AXIS:
handle_pointer_axis(event, device);
break;
case LIBINPUT_EVENT_TOUCH_DOWN:
handle_touch_down(event, device);
break;
case LIBINPUT_EVENT_TOUCH_UP:
handle_touch_up(event, device);
break;
case LIBINPUT_EVENT_TOUCH_MOTION:
handle_touch_motion(event, device);
break;
case LIBINPUT_EVENT_TOUCH_CANCEL:
handle_touch_cancel(event, device);
break;
case LIBINPUT_EVENT_TOUCH_FRAME:
// no-op (at least for now)
break;
case LIBINPUT_EVENT_TABLET_TOOL_AXIS:
handle_tablet_tool_axis(event, device);
break;
case LIBINPUT_EVENT_TABLET_TOOL_PROXIMITY:
handle_tablet_tool_proximity(event, device);
break;
case LIBINPUT_EVENT_TABLET_TOOL_TIP:
handle_tablet_tool_tip(event, device);
break;
case LIBINPUT_EVENT_TABLET_TOOL_BUTTON:
handle_tablet_tool_button(event, device);
break;
default:
wlr_log(L_DEBUG, "Unknown libinput event %d", event_type);
break;
}
}

44
backend/libinput/keyboard.c
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@ -0,0 +1,44 @@
#include <stdlib.h>
#include <assert.h>
#include <libinput.h>
#include <wlr/session.h>
#include <wlr/types.h>
#include <wlr/common/list.h>
#include "backend/libinput.h"
#include "common/log.h"
#include "types.h"
struct wlr_keyboard *wlr_libinput_keyboard_create(
struct libinput_device *device) {
assert(device);
libinput_device_led_update(device, 0);
return wlr_keyboard_create(NULL, NULL);
}
void handle_keyboard_key(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_KEYBOARD, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a keyboard event for a device with no keyboards?");
return;
}
struct libinput_event_keyboard *kbevent =
libinput_event_get_keyboard_event(event);
struct wlr_keyboard_key *wlr_event =
calloc(1, sizeof(struct wlr_keyboard_key));
wlr_event->time_sec = libinput_event_keyboard_get_time(kbevent);
wlr_event->time_usec = libinput_event_keyboard_get_time_usec(kbevent);
wlr_event->keycode = libinput_event_keyboard_get_key(kbevent);
enum libinput_key_state state =
libinput_event_keyboard_get_key_state(kbevent);
switch (state) {
case LIBINPUT_KEY_STATE_RELEASED:
wlr_event->state = WLR_KEY_RELEASED;
break;
case LIBINPUT_KEY_STATE_PRESSED:
wlr_event->state = WLR_KEY_PRESSED;
break;
}
wl_signal_emit(&dev->keyboard->events.key, wlr_event);
}

129
backend/libinput/pointer.c
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@ -0,0 +1,129 @@
#include <stdlib.h>
#include <assert.h>
#include <libinput.h>
#include <wlr/session.h>
#include <wlr/types.h>
#include <wlr/common/list.h>
#include "backend/libinput.h"
#include "common/log.h"
#include "types.h"
struct wlr_pointer *wlr_libinput_pointer_create(
struct libinput_device *device) {
assert(device);
return wlr_pointer_create(NULL, NULL);
}
void handle_pointer_motion(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_POINTER, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a pointer event for a device with no pointers?");
return;
}
struct libinput_event_pointer *pevent =
libinput_event_get_pointer_event(event);
struct wlr_pointer_motion *wlr_event =
calloc(1, sizeof(struct wlr_pointer_motion));
wlr_event->time_sec = libinput_event_pointer_get_time(pevent);
wlr_event->time_usec = libinput_event_pointer_get_time_usec(pevent);
wlr_event->delta_x = libinput_event_pointer_get_dx(pevent);
wlr_event->delta_y = libinput_event_pointer_get_dy(pevent);
wl_signal_emit(&dev->pointer->events.motion, wlr_event);
}
void handle_pointer_motion_abs(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_POINTER, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a pointer event for a device with no pointers?");
return;
}
struct libinput_event_pointer *pevent =
libinput_event_get_pointer_event(event);
struct wlr_pointer_motion_absolute *wlr_event =
calloc(1, sizeof(struct wlr_pointer_motion_absolute));
wlr_event->time_sec = libinput_event_pointer_get_time(pevent);
wlr_event->time_usec = libinput_event_pointer_get_time_usec(pevent);
wlr_event->x_mm = libinput_event_pointer_get_absolute_x(pevent);
wlr_event->y_mm = libinput_event_pointer_get_absolute_y(pevent);
libinput_device_get_size(device, &wlr_event->width_mm, &wlr_event->height_mm);
wl_signal_emit(&dev->pointer->events.motion_absolute, wlr_event);
}
void handle_pointer_button(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_POINTER, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a pointer event for a device with no pointers?");
return;
}
struct libinput_event_pointer *pevent =
libinput_event_get_pointer_event(event);
struct wlr_pointer_button *wlr_event =
calloc(1, sizeof(struct wlr_pointer_button));
wlr_event->time_sec = libinput_event_pointer_get_time(pevent);
wlr_event->time_usec = libinput_event_pointer_get_time_usec(pevent);
wlr_event->button = libinput_event_pointer_get_button(pevent);
switch (libinput_event_pointer_get_button_state(pevent)) {
case LIBINPUT_BUTTON_STATE_PRESSED:
wlr_event->state = WLR_BUTTON_PRESSED;
break;
case LIBINPUT_BUTTON_STATE_RELEASED:
wlr_event->state = WLR_BUTTON_RELEASED;
break;
}
wl_signal_emit(&dev->pointer->events.button, wlr_event);
}
void handle_pointer_axis(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_POINTER, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a pointer event for a device with no pointers?");
return;
}
struct libinput_event_pointer *pevent =
libinput_event_get_pointer_event(event);
struct wlr_pointer_axis *wlr_event =
calloc(1, sizeof(struct wlr_pointer_axis));
wlr_event->time_sec = libinput_event_pointer_get_time(pevent);
wlr_event->time_usec = libinput_event_pointer_get_time_usec(pevent);
switch (libinput_event_pointer_get_axis_source(pevent)) {
case LIBINPUT_POINTER_AXIS_SOURCE_WHEEL:
wlr_event->source = WLR_AXIS_SOURCE_WHEEL;
break;
case LIBINPUT_POINTER_AXIS_SOURCE_FINGER:
wlr_event->source = WLR_AXIS_SOURCE_FINGER;
break;
case LIBINPUT_POINTER_AXIS_SOURCE_CONTINUOUS:
wlr_event->source = WLR_AXIS_SOURCE_CONTINUOUS;
break;
case LIBINPUT_POINTER_AXIS_SOURCE_WHEEL_TILT:
wlr_event->source = WLR_AXIS_SOURCE_WHEEL_TILT;
break;
}
enum libinput_pointer_axis axies[] = {
LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL,
LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL,
};
for (size_t i = 0; i < sizeof(axies) / sizeof(axies[0]); ++i) {
if (libinput_event_pointer_has_axis(pevent, axies[i])) {
switch (axies[i]) {
case LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL:
wlr_event->orientation = WLR_AXIS_ORIENTATION_VERTICAL;
break;
case LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL:
wlr_event->orientation = WLR_AXIS_ORIENTATION_HORIZONTAL;
break;
}
wlr_event->delta = libinput_event_pointer_get_axis_value(
pevent, axies[i]);
}
wl_signal_emit(&dev->pointer->events.axis, wlr_event);
}
}

150
backend/libinput/tablet_tool.c
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#include <stdlib.h>
#include <assert.h>
#include <libinput.h>
#include <wlr/session.h>
#include <wlr/types.h>
#include <wlr/common/list.h>
#include "backend/libinput.h"
#include "common/log.h"
#include "types.h"
struct wlr_tablet_tool *wlr_libinput_tablet_tool_create(
struct libinput_device *device) {
assert(device);
return wlr_tablet_tool_create(NULL, NULL);
}
void handle_tablet_tool_axis(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_TOOL, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a tablet tool event for a device with no tablet tools?");
return;
}
struct libinput_event_tablet_tool *tevent =
libinput_event_get_tablet_tool_event(event);
struct wlr_tablet_tool_axis *wlr_event =
calloc(1, sizeof(struct wlr_tablet_tool_axis));
wlr_event->time_sec = libinput_event_tablet_tool_get_time(tevent);
wlr_event->time_usec = libinput_event_tablet_tool_get_time_usec(tevent);
libinput_device_get_size(device, &wlr_event->width_mm, &wlr_event->height_mm);
if (libinput_event_tablet_tool_x_has_changed(tevent)) {
wlr_event->updated_axes |= WLR_TABLET_TOOL_AXIS_X;
wlr_event->x_mm = libinput_event_tablet_tool_get_x(tevent);
}
if (libinput_event_tablet_tool_y_has_changed(tevent)) {
wlr_event->updated_axes |= WLR_TABLET_TOOL_AXIS_Y;
wlr_event->y_mm = libinput_event_tablet_tool_get_y(tevent);
}
if (libinput_event_tablet_tool_pressure_has_changed(tevent)) {
wlr_event->updated_axes |= WLR_TABLET_TOOL_AXIS_PRESSURE;
wlr_event->pressure = libinput_event_tablet_tool_get_pressure(tevent);
}
if (libinput_event_tablet_tool_distance_has_changed(tevent)) {
wlr_event->updated_axes |= WLR_TABLET_TOOL_AXIS_DISTANCE;
wlr_event->distance = libinput_event_tablet_tool_get_distance(tevent);
}
if (libinput_event_tablet_tool_tilt_x_has_changed(tevent)) {
wlr_event->updated_axes |= WLR_TABLET_TOOL_AXIS_TILT_X;
wlr_event->tilt_x = libinput_event_tablet_tool_get_tilt_x(tevent);
}
if (libinput_event_tablet_tool_tilt_y_has_changed(tevent)) {
wlr_event->updated_axes |= WLR_TABLET_TOOL_AXIS_TILT_Y;
wlr_event->tilt_y = libinput_event_tablet_tool_get_tilt_y(tevent);
}
if (libinput_event_tablet_tool_rotation_has_changed(tevent)) {
wlr_event->updated_axes |= WLR_TABLET_TOOL_AXIS_ROTATION;
wlr_event->rotation = libinput_event_tablet_tool_get_rotation(tevent);
}
if (libinput_event_tablet_tool_slider_has_changed(tevent)) {
wlr_event->updated_axes |= WLR_TABLET_TOOL_AXIS_SLIDER;
wlr_event->slider = libinput_event_tablet_tool_get_slider_position(tevent);
}
if (libinput_event_tablet_tool_wheel_has_changed(tevent)) {
wlr_event->updated_axes |= WLR_TABLET_TOOL_AXIS_WHEEL;
wlr_event->wheel_delta = libinput_event_tablet_tool_get_wheel_delta(tevent);
}
wl_signal_emit(&dev->tablet_tool->events.axis, wlr_event);
}
void handle_tablet_tool_proximity(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_TOOL, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a tablet tool event for a device with no tablet tools?");
return;
}
struct libinput_event_tablet_tool *tevent =
libinput_event_get_tablet_tool_event(event);
struct wlr_tablet_tool_proximity *wlr_event =
calloc(1, sizeof(struct wlr_tablet_tool_proximity));
wlr_event->time_sec = libinput_event_tablet_tool_get_time(tevent);
wlr_event->time_usec = libinput_event_tablet_tool_get_time_usec(tevent);
switch (libinput_event_tablet_tool_get_proximity_state(tevent)) {
case LIBINPUT_TABLET_TOOL_PROXIMITY_STATE_OUT:
wlr_event->state = WLR_TABLET_TOOL_PROXIMITY_OUT;
break;
case LIBINPUT_TABLET_TOOL_PROXIMITY_STATE_IN:
wlr_event->state = WLR_TABLET_TOOL_PROXIMITY_IN;
handle_tablet_tool_axis(event, device);
break;
}
wl_signal_emit(&dev->tablet_tool->events.proximity, wlr_event);
}
void handle_tablet_tool_tip(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_TOOL, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a tablet tool event for a device with no tablet tools?");
return;
}
handle_tablet_tool_axis(event, device);
struct libinput_event_tablet_tool *tevent =
libinput_event_get_tablet_tool_event(event);
struct wlr_tablet_tool_tip *wlr_event =
calloc(1, sizeof(struct wlr_tablet_tool_tip));
wlr_event->time_sec = libinput_event_tablet_tool_get_time(tevent);
wlr_event->time_usec = libinput_event_tablet_tool_get_time_usec(tevent);
switch (libinput_event_tablet_tool_get_tip_state(tevent)) {
case LIBINPUT_TABLET_TOOL_TIP_UP:
wlr_event->state = WLR_TABLET_TOOL_TIP_UP;
break;
case LIBINPUT_TABLET_TOOL_TIP_DOWN:
wlr_event->state = WLR_TABLET_TOOL_TIP_DOWN;
break;
}
wl_signal_emit(&dev->tablet_tool->events.tip, wlr_event);
}
void handle_tablet_tool_button(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_TOOL, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a tablet tool event for a device with no tablet tools?");
return;
}
// Tip events contain axis information. We update this information
// before we send the proximity event
handle_tablet_tool_axis(event, device);
struct libinput_event_tablet_tool *tevent =
libinput_event_get_tablet_tool_event(event);
struct wlr_tablet_tool_button *wlr_event =
calloc(1, sizeof(struct wlr_tablet_tool_button));
wlr_event->time_sec = libinput_event_tablet_tool_get_time(tevent);
wlr_event->time_usec = libinput_event_tablet_tool_get_time_usec(tevent);
wlr_event->button = libinput_event_tablet_tool_get_button(tevent);
switch (libinput_event_tablet_tool_get_button_state(tevent)) {
case LIBINPUT_BUTTON_STATE_RELEASED:
wlr_event->state = WLR_BUTTON_RELEASED;
break;
case LIBINPUT_BUTTON_STATE_PRESSED:
wlr_event->state = WLR_BUTTON_PRESSED;
break;
}
wl_signal_emit(&dev->tablet_tool->events.button, wlr_event);
}

93
backend/libinput/touch.c
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#include <stdlib.h>
#include <assert.h>
#include <libinput.h>
#include <wlr/session.h>
#include <wlr/types.h>
#include <wlr/common/list.h>
#include "backend/libinput.h"
#include "common/log.h"
#include "types.h"
struct wlr_touch *wlr_libinput_touch_create(
struct libinput_device *device) {
assert(device);
return wlr_touch_create(NULL, NULL);
}
void handle_touch_down(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_TOUCH, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a touch event for a device with no touch?");
return;
}
struct libinput_event_touch *tevent =
libinput_event_get_touch_event(event);
struct wlr_touch_down *wlr_event =
calloc(1, sizeof(struct wlr_touch_down));
wlr_event->time_sec = libinput_event_touch_get_time(tevent);
wlr_event->time_usec = libinput_event_touch_get_time_usec(tevent);
wlr_event->slot = libinput_event_touch_get_slot(tevent);
wlr_event->x_mm = libinput_event_touch_get_x(tevent);
wlr_event->y_mm = libinput_event_touch_get_y(tevent);
libinput_device_get_size(device, &wlr_event->width_mm, &wlr_event->height_mm);
wl_signal_emit(&dev->touch->events.down, wlr_event);
}
void handle_touch_up(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_TOUCH, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a touch event for a device with no touch?");
return;
}
struct libinput_event_touch *tevent =
libinput_event_get_touch_event(event);
struct wlr_touch_up *wlr_event =
calloc(1, sizeof(struct wlr_touch_up));
wlr_event->time_sec = libinput_event_touch_get_time(tevent);
wlr_event->time_usec = libinput_event_touch_get_time_usec(tevent);
wlr_event->slot = libinput_event_touch_get_slot(tevent);
wl_signal_emit(&dev->touch->events.up, wlr_event);
}
void handle_touch_motion(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_TOUCH, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a touch event for a device with no touch?");
return;
}
struct libinput_event_touch *tevent =
libinput_event_get_touch_event(event);
struct wlr_touch_motion *wlr_event =
calloc(1, sizeof(struct wlr_touch_motion));
wlr_event->time_sec = libinput_event_touch_get_time(tevent);
wlr_event->time_usec = libinput_event_touch_get_time_usec(tevent);
wlr_event->slot = libinput_event_touch_get_slot(tevent);
wlr_event->x_mm = libinput_event_touch_get_x(tevent);
wlr_event->y_mm = libinput_event_touch_get_y(tevent);
libinput_device_get_size(device, &wlr_event->width_mm, &wlr_event->height_mm);
wl_signal_emit(&dev->touch->events.motion, wlr_event);
}
void handle_touch_cancel(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_TOUCH, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a touch event for a device with no touch?");
return;
}
struct libinput_event_touch *tevent =
libinput_event_get_touch_event(event);
struct wlr_touch_cancel *wlr_event =
calloc(1, sizeof(struct wlr_touch_cancel));
wlr_event->time_sec = libinput_event_touch_get_time(tevent);
wlr_event->time_usec = libinput_event_touch_get_time_usec(tevent);
wlr_event->slot = libinput_event_touch_get_slot(tevent);
wl_signal_emit(&dev->touch->events.cancel, wlr_event);
}

107
backend/multi/backend.c
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#include <stdbool.h>
#include <stdlib.h>
#include <wlr/backend/interface.h>
#include <wlr/common/log.h>
#include "backend/multi.h"
#include "common/log.h"
struct subbackend_state {
struct wlr_backend *backend;
struct wlr_backend *container;
struct wl_listener input_add;
struct wl_listener input_remove;
struct wl_listener output_add;
struct wl_listener output_remove;
};
static bool multi_backend_init(struct wlr_backend_state *state) {
for (size_t i = 0; i < state->backends->length; ++i) {
struct subbackend_state *sub = state->backends->items[i];
if (!wlr_backend_init(sub->backend)) {
wlr_log(L_ERROR, "Failed to initialize backend %zd", i);
return false;
}
}
return true;
}
static void multi_backend_destroy(struct wlr_backend_state *state) {
for (size_t i = 0; i < state->backends->length; ++i) {
struct subbackend_state *sub = state->backends->items[i];
wlr_backend_destroy(sub->backend);
free(sub);
}
list_free(state->backends);
free(state);
}
struct wlr_backend_impl backend_impl = {
.init = multi_backend_init,
.destroy = multi_backend_destroy
};
struct wlr_backend *wlr_multi_backend_create() {
struct wlr_backend_state *state =
calloc(1, sizeof(struct wlr_backend_state));
if (!state) {
wlr_log(L_ERROR, "Backend allocation failed");
return NULL;
}
state->backends = list_create();
if (!state->backends) {
free(state);
wlr_log(L_ERROR, "Backend allocation failed");
return NULL;
}
struct wlr_backend *backend = wlr_backend_create(&backend_impl, state);
state->backend = backend;
return backend;
}
static void input_add_reemit(struct wl_listener *listener, void *data) {
struct subbackend_state *state = wl_container_of(listener,
state, input_add);
wl_signal_emit(&state->container->events.input_add, data);
}
static void input_remove_reemit(struct wl_listener *listener, void *data) {
struct subbackend_state *state = wl_container_of(listener,
state, input_remove);
wl_signal_emit(&state->container->events.input_remove, data);
}
static void output_add_reemit(struct wl_listener *listener, void *data) {
struct subbackend_state *state = wl_container_of(listener,
state, output_add);
wl_signal_emit(&state->container->events.output_add, data);
}
static void output_remove_reemit(struct wl_listener *listener, void *data) {
struct subbackend_state *state = wl_container_of(listener,
state, output_remove);
wl_signal_emit(&state->container->events.output_remove, data);
}
void wlr_multi_backend_add(struct wlr_backend *multi,
struct wlr_backend *backend) {
struct subbackend_state *sub = calloc(1, sizeof(struct subbackend_state));
sub->backend = backend;
sub->container = multi;
sub->input_add.notify = input_add_reemit;
sub->input_remove.notify = input_remove_reemit;
sub->output_add.notify = output_add_reemit;
sub->output_remove.notify = output_remove_reemit;
wl_list_init(&sub->input_add.link);
wl_list_init(&sub->input_remove.link);
wl_list_init(&sub->output_add.link);
wl_list_init(&sub->output_remove.link);
wl_signal_add(&backend->events.input_add, &sub->input_add);
wl_signal_add(&backend->events.input_remove, &sub->input_remove);
wl_signal_add(&backend->events.output_add, &sub->output_add);
wl_signal_add(&backend->events.output_remove, &sub->output_remove);
list_add(multi->state->backends, sub);
}

43
example/CMakeLists.txt
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@ -1,19 +1,23 @@
include_directories(
${DRM_INCLUDE_DIRS}
${CMAKE_CURRENT_SOURCE_DIR}
${XKBCOMMON_INCLUDE_DIRS}
)
add_executable(simple
simple.c
shared.c
)
target_link_libraries(simple
wlr-backend
wlr-session
${XKBCOMMON_LIBRARIES}
)
add_executable(rotation
rotation.c
shared.c
cat.c
)
@ -21,4 +25,43 @@ target_link_libraries(rotation
wlr-backend
wlr-session
wlr-render
${XKBCOMMON_LIBRARIES}
)
add_executable(pointer
pointer.c
shared.c
cat.c
)
target_link_libraries(pointer
wlr-backend
wlr-session
wlr-render
${XKBCOMMON_LIBRARIES}
)
add_executable(touch
touch.c
shared.c
cat.c
)
target_link_libraries(touch
wlr-backend
wlr-session
wlr-render
${XKBCOMMON_LIBRARIES}
)
add_executable(tablet
tablet.c
shared.c
)
target_link_libraries(tablet
wlr-backend
wlr-session
wlr-render
${XKBCOMMON_LIBRARIES}
)

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example/cat.c
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example/pointer.c
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#define _POSIX_C_SOURCE 199309L
#define _XOPEN_SOURCE 500
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>
#include <unistd.h>
#include <wayland-server.h>
#include <wayland-server-protocol.h>
#include <xkbcommon/xkbcommon.h>
#include <GLES3/gl3.h>
#include <wlr/render/matrix.h>
#include <wlr/render/gles3.h>
#include <wlr/render.h>
#include <wlr/backend.h>
#include <wlr/session.h>
#include <wlr/types.h>
#include <math.h>
#include "shared.h"
#include "cat.h"
struct sample_state {
struct wlr_renderer *renderer;
struct wlr_surface *cat_texture;
int cur_x, cur_y;
float default_color[4];
float clear_color[4];
};
static void handle_output_frame(struct output_state *output, struct timespec *ts) {
struct compositor_state *state = output->compositor;
struct sample_state *sample = state->data;
struct wlr_output *wlr_output = output->output;
wlr_renderer_begin(sample->renderer, wlr_output);
glClearColor(sample->clear_color[0], sample->clear_color[1],
sample->clear_color[2], sample->clear_color[3]);
glClear(GL_COLOR_BUFFER_BIT);
float matrix[16];
wlr_surface_get_matrix(sample->cat_texture, &matrix,
&wlr_output->transform_matrix, sample->cur_x, sample->cur_y);
wlr_render_with_matrix(sample->renderer,
sample->cat_texture, &matrix);
wlr_renderer_end(sample->renderer);
}
static void handle_keyboard_key(struct keyboard_state *kbstate,
xkb_keysym_t sym, enum wlr_key_state key_state) {
if (sym == XKB_KEY_Escape) {
kbstate->compositor->exit = true;
}
}
static void handle_pointer_motion(struct pointer_state *pstate,
double d_x, double d_y) {
struct sample_state *state = pstate->compositor->data;
state->cur_x += d_x;
state->cur_y += d_y;
}
static void handle_pointer_button(struct pointer_state *pstate,
uint32_t button, enum wlr_button_state state) {
struct sample_state *sample = pstate->compositor->data;
float (*color)[4];
if (state == WLR_BUTTON_RELEASED) {
color = &sample->default_color;
} else {
float red[4] = { 0.25f, 0.25f, 0.25f, 1 };
red[button % 3] = 1;
color = &red;
}
memcpy(&sample->clear_color, color, sizeof(*color));
}
static void handle_pointer_axis(struct pointer_state *pstate,
enum wlr_axis_source source,
enum wlr_axis_orientation orientation,
double delta) {
struct sample_state *sample = pstate->compositor->data;
for (size_t i = 0; i < 3; ++i) {
sample->default_color[i] += delta > 0 ? -0.05f : 0.05f;
if (sample->default_color[i] > 1.0f) {
sample->default_color[i] = 1.0f;
}
if (sample->default_color[i] < 0.0f) {
sample->default_color[i] = 0.0f;
}
}
memcpy(&sample->clear_color, &sample->default_color,
sizeof(sample->clear_color));
}
static void handle_output_add(struct output_state *ostate) {
struct wlr_output *wlr_output = ostate->output;
if (!wlr_output_set_cursor(wlr_output, cat_tex.pixel_data,
cat_tex.width * 4, cat_tex.width, cat_tex.height)) {
fprintf(stderr, "Failed to set cursor\n");
return;
}
if (!wlr_output_move_cursor(wlr_output, 0, 0)) {
fprintf(stderr, "Failed to move cursor\n");
}
}
int main(int argc, char *argv[]) {
struct sample_state state = {
.default_color = { 0.25f, 0.25f, 0.25f, 1 },
.clear_color = { 0.25f, 0.25f, 0.25f, 1 }
};
struct compositor_state compositor;
compositor_init(&compositor);
compositor.output_add_cb = handle_output_add;
compositor.output_frame_cb = handle_output_frame;
compositor.keyboard_key_cb = handle_keyboard_key;
compositor.pointer_motion_cb = handle_pointer_motion;
compositor.pointer_button_cb = handle_pointer_button;
compositor.pointer_axis_cb = handle_pointer_axis;
state.renderer = wlr_gles3_renderer_init();
state.cat_texture = wlr_render_surface_init(state.renderer);
wlr_surface_attach_pixels(state.cat_texture, GL_RGBA,
cat_tex.width, cat_tex.height, cat_tex.pixel_data);
compositor.data = &state;
compositor_run(&compositor);
wlr_surface_destroy(state.cat_texture);
wlr_renderer_destroy(state.renderer);
}

182
example/rotation.c
Unescape View File

@ -7,6 +7,7 @@
#include <unistd.h>
#include <wayland-server.h>
#include <wayland-server-protocol.h>
#include <xkbcommon/xkbcommon.h>
#include <GLES3/gl3.h>
#include <wlr/render/matrix.h>
#include <wlr/render/gles3.h>
@ -15,24 +16,18 @@
#include <wlr/session.h>
#include <wlr/types.h>
#include <math.h>
#include "shared.h"
#include "cat.h"
struct state {
struct wl_listener output_add;
struct wl_listener output_remove;
struct wl_list outputs;
struct sample_state {
struct wl_list config;
struct wlr_renderer *renderer;
struct wlr_surface *cat_texture;
};
struct output_state {
struct timespec last_frame;
struct wl_list link;
struct wlr_output *output;
struct state *state;
struct wl_listener frame;
struct output_data {
float x_offs, y_offs;
float x_vel, y_vel;
};
struct output_config {
@ -41,88 +36,95 @@ struct output_config {
struct wl_list link;
};
static void output_frame(struct wl_listener *listener, void *data) {
struct output_state *ostate = wl_container_of(listener, ostate, frame);
struct wlr_output *output = ostate->output;
struct state *s = ostate->state;
static void handle_output_frame(struct output_state *output, struct timespec *ts) {
struct compositor_state *state = output->compositor;
struct sample_state *sample = state->data;
struct output_data *odata = output->data;
struct wlr_output *wlr_output = output->output;
int32_t width, height;
wlr_output_effective_resolution(output, &width, &height);
wlr_output_effective_resolution(wlr_output, &width, &height);
wlr_renderer_begin(s->renderer, output);
wlr_renderer_begin(sample->renderer, wlr_output);
float matrix[16];
for (int y = -128 + (int)ostate->y_offs; y < height; y += 128) {
for (int x = -128 + (int)ostate->x_offs; x < width; x += 128) {
wlr_surface_get_matrix(s->cat_texture, &matrix,
&output->transform_matrix, x, y);
wlr_render_with_matrix(s->renderer, s->cat_texture, &matrix);
for (int y = -128 + (int)odata->y_offs; y < height; y += 128) {
for (int x = -128 + (int)odata->x_offs; x < width; x += 128) {
wlr_surface_get_matrix(sample->cat_texture, &matrix,
&wlr_output->transform_matrix, x, y);
wlr_render_with_matrix(sample->renderer,
sample->cat_texture, &matrix);
}
}
wlr_renderer_end(s->renderer);
wlr_renderer_end(sample->renderer);
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
long ms = (now.tv_sec - ostate->last_frame.tv_sec) * 1000 +
(now.tv_nsec - ostate->last_frame.tv_nsec) / 1000000;
long ms = (ts->tv_sec - output->last_frame.tv_sec) * 1000 +
(ts->tv_nsec - output->last_frame.tv_nsec) / 1000000;
float seconds = ms / 1000.0f;
ostate->x_offs += 128 * seconds;
ostate->y_offs += 128 * seconds;
if (ostate->x_offs > 128) ostate->x_offs = 0;
if (ostate->y_offs > 128) ostate->y_offs = 0;
ostate->last_frame = now;
odata->x_offs += odata->x_vel * seconds;
odata->y_offs += odata->y_vel * seconds;
if (odata->x_offs > 128) odata->x_offs = 0;
if (odata->y_offs > 128) odata->y_offs = 0;
}
static 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));
clock_gettime(CLOCK_MONOTONIC, &ostate->last_frame);
ostate->output = output;
ostate->state = state;
ostate->frame.notify = output_frame;
ostate->x_offs = ostate->y_offs = 0;
static void handle_output_add(struct output_state *output) {
struct output_data *odata = calloc(1, sizeof(struct output_data));
odata->x_offs = odata->y_offs = 0;
odata->x_vel = odata->y_vel = 128;
output->data = odata;
struct sample_state *state = output->compositor->data;
struct output_config *conf;
wl_list_for_each(conf, &state->config, link) {
if (strcmp(conf->name, output->name) == 0) {
wlr_output_transform(ostate->output, conf->transform);
if (strcmp(conf->name, output->output->name) == 0) {
wlr_output_transform(output->output, conf->transform);
break;
}
}
}
wl_list_init(&ostate->frame.link);
wl_signal_add(&output->events.frame, &ostate->frame);
wl_list_insert(&state->outputs, &ostate->link);
static void handle_output_remove(struct output_state *output) {
free(output->data);
}
static void output_remove(struct wl_listener *listener, void *data) {
struct wlr_output *output = data;
struct state *state = wl_container_of(listener, state, output_remove);
struct output_state *ostate;
static void update_velocities(struct compositor_state *state,
float x_diff, float y_diff) {
struct output_state *output;
wl_list_for_each(output, &state->outputs, link) {
struct output_data *odata = output->data;
odata->x_vel += x_diff;
odata->y_vel += y_diff;
}
}
wl_list_for_each(ostate, &state->outputs, link) {
if (ostate->output == output) {
wl_list_remove(&ostate->link);
wl_list_remove(&ostate->frame.link);
free(ostate);
static void handle_keyboard_key(struct keyboard_state *kbstate,
xkb_keysym_t sym, enum wlr_key_state key_state) {
// NOTE: It may be better to simply refer to our key state during each frame
// and make this change in pixels/sec^2
// Also, key repeat
if (key_state == WLR_KEY_PRESSED) {
switch (sym) {
case XKB_KEY_Escape:
kbstate->compositor->exit = true;
break;
case XKB_KEY_Left:
update_velocities(kbstate->compositor, -16, 0);
break;
case XKB_KEY_Right:
update_velocities(kbstate->compositor, 16, 0);
break;
case XKB_KEY_Up:
update_velocities(kbstate->compositor, 0, -16);
break;
case XKB_KEY_Down:
update_velocities(kbstate->compositor, 0, 16);
break;
}
}
}
static int timer_done(void *data) {
*(bool *)data = true;
return 1;
}
static void usage(const char *name, int ret) {
fprintf(stderr,
"usage: %s [-d <name> [-r <rotation> | -f]]*\n"
@ -190,59 +192,27 @@ static void parse_args(int argc, char *argv[], struct wl_list *config) {
}
int main(int argc, char *argv[]) {
struct state state = {
.output_add = { .notify = output_add },
.output_remove = { .notify = output_remove }
};
wl_list_init(&state.outputs);
struct sample_state state = { 0 };
struct compositor_state compositor;
wl_list_init(&state.config);
wl_list_init(&state.output_add.link);
wl_list_init(&state.output_remove.link);
parse_args(argc, argv, &state.config);
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(display);
if (!session) {
return 1;
}
struct wlr_backend *wlr = wlr_backend_autocreate(display, session);
if (!wlr) {
return 1;
}
wl_signal_add(&wlr->events.output_add, &state.output_add);
wl_signal_add(&wlr->events.output_remove, &state.output_remove);
if (!wlr_backend_init(wlr)) {
return 1;
}
compositor_init(&compositor);
compositor.output_add_cb = handle_output_add;
compositor.output_remove_cb = handle_output_remove;
compositor.output_frame_cb = handle_output_frame;
compositor.keyboard_key_cb = handle_keyboard_key;
state.renderer = wlr_gles3_renderer_init();
state.cat_texture = wlr_render_surface_init(state.renderer);
wlr_surface_attach_pixels(state.cat_texture, GL_RGB,
wlr_surface_attach_pixels(state.cat_texture, GL_RGBA,
cat_tex.width, cat_tex.height, cat_tex.pixel_data);
bool done = false;
struct wl_event_source *timer = wl_event_loop_add_timer(event_loop,
timer_done, &done);
wl_event_source_timer_update(timer, 30000);
while (!done) {
wl_event_loop_dispatch(event_loop, 0);
}
compositor.data = &state;
compositor_run(&compositor);
wl_event_source_remove(timer);
wlr_backend_destroy(wlr);
wlr_session_finish(session);
wlr_surface_destroy(state.cat_texture);
wlr_renderer_destroy(state.renderer);
wl_display_destroy(display);
struct output_config *ptr, *tmp;
wl_list_for_each_safe(ptr, tmp, &state.config, link) {

432
example/shared.c
Unescape View File

@ -0,0 +1,432 @@
#define _POSIX_C_SOURCE 199309L
#include <string.h>
#include <stdlib.h>
#include <time.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdbool.h>
#include <xkbcommon/xkbcommon.h>
#include <wayland-server-protocol.h>
#include <wlr/backend.h>
#include <wlr/session.h>
#include <wlr/types.h>
#include "shared.h"
static void keyboard_key_notify(struct wl_listener *listener, void *data) {
struct wlr_keyboard_key *event = data;
struct keyboard_state *kbstate = wl_container_of(listener, kbstate, key);
uint32_t keycode = event->keycode + 8;
enum wlr_key_state key_state = event->state;
const xkb_keysym_t *syms;
int nsyms = xkb_state_key_get_syms(kbstate->xkb_state, keycode, &syms);
for (int i = 0; i < nsyms; ++i) {
xkb_keysym_t sym = syms[i];
char name[64];
int l = xkb_keysym_get_name(sym, name, sizeof(name));
if (l != -1 && l != sizeof(name)) {
fprintf(stderr, "Key event: %s %s\n", name,
key_state == WLR_KEY_PRESSED ? "pressed" : "released");
}
if (kbstate->compositor->keyboard_key_cb) {
kbstate->compositor->keyboard_key_cb(kbstate, sym, key_state);
}
}
xkb_state_update_key(kbstate->xkb_state, keycode,
event->state == WLR_KEY_PRESSED ? XKB_KEY_DOWN : XKB_KEY_UP);
}
static void keyboard_add(struct wlr_input_device *device, struct compositor_state *state) {
struct keyboard_state *kbstate = calloc(sizeof(struct keyboard_state), 1);
kbstate->device = device;
kbstate->compositor = state;
wl_list_init(&kbstate->key.link);
kbstate->key.notify = keyboard_key_notify;
wl_signal_add(&device->keyboard->events.key, &kbstate->key);
wl_list_insert(&state->keyboards, &kbstate->link);
struct xkb_rule_names rules;
memset(&rules, 0, sizeof(rules));
rules.rules = getenv("XKB_DEFAULT_RULES");
rules.model = getenv("XKB_DEFAULT_MODEL");
rules.layout = getenv("XKB_DEFAULT_LAYOUT");
rules.variant = getenv("XKB_DEFAULT_VARIANT");
rules.options = getenv("XKB_DEFAULT_OPTIONS");
struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
if (!context) {
fprintf(stderr, "Failed to create XKB context\n");
exit(1);
}
kbstate->keymap = xkb_map_new_from_names(
context, &rules, XKB_KEYMAP_COMPILE_NO_FLAGS);
if (!kbstate->keymap) {
fprintf(stderr, "Failed to create XKB keymap\n");
exit(1);
}
xkb_context_unref(context);
kbstate->xkb_state = xkb_state_new(kbstate->keymap);
if (!kbstate->xkb_state) {
fprintf(stderr, "Failed to create XKB state\n");
exit(1);
}
}
static void pointer_motion_notify(struct wl_listener *listener, void *data) {
struct wlr_pointer_motion *event = data;
struct pointer_state *pstate = wl_container_of(listener, pstate, motion);
if (pstate->compositor->pointer_motion_cb) {
pstate->compositor->pointer_motion_cb(pstate,
event->delta_x, event->delta_y);
}
}
static void pointer_button_notify(struct wl_listener *listener, void *data) {
struct wlr_pointer_button *event = data;
struct pointer_state *pstate = wl_container_of(listener, pstate, button);
if (pstate->compositor->pointer_button_cb) {
pstate->compositor->pointer_button_cb(pstate,
event->button, event->state);
}
}
static void pointer_axis_notify(struct wl_listener *listener, void *data) {
struct wlr_pointer_axis *event = data;
struct pointer_state *pstate = wl_container_of(listener, pstate, axis);
if (pstate->compositor->pointer_axis_cb) {
pstate->compositor->pointer_axis_cb(pstate,
event->source, event->orientation, event->delta);
}
}
static void pointer_add(struct wlr_input_device *device, struct compositor_state *state) {
struct pointer_state *pstate = calloc(sizeof(struct pointer_state), 1);
pstate->device = device;
pstate->compositor = state;
wl_list_init(&pstate->motion.link);
wl_list_init(&pstate->motion_absolute.link);
wl_list_init(&pstate->button.link);
wl_list_init(&pstate->axis.link);
pstate->motion.notify = pointer_motion_notify;
pstate->button.notify = pointer_button_notify;
pstate->axis.notify = pointer_axis_notify;
wl_signal_add(&device->pointer->events.motion, &pstate->motion);
wl_signal_add(&device->pointer->events.button, &pstate->button);
wl_signal_add(&device->pointer->events.axis, &pstate->axis);
wl_list_insert(&state->pointers, &pstate->link);
}
static void touch_down_notify(struct wl_listener *listener, void *data) {
struct wlr_touch_down *event = data;
struct touch_state *tstate = wl_container_of(listener, tstate, down);
if (tstate->compositor->touch_down_cb) {
tstate->compositor->touch_down_cb(tstate, event->slot,
event->x_mm, event->y_mm, event->width_mm, event->height_mm);
}
}
static void touch_motion_notify(struct wl_listener *listener, void *data) {
struct wlr_touch_motion *event = data;
struct touch_state *tstate = wl_container_of(listener, tstate, motion);
if (tstate->compositor->touch_motion_cb) {
tstate->compositor->touch_motion_cb(tstate, event->slot,
event->x_mm, event->y_mm, event->width_mm, event->height_mm);
}
}
static void touch_up_notify(struct wl_listener *listener, void *data) {
struct wlr_touch_up *event = data;
struct touch_state *tstate = wl_container_of(listener, tstate, up);
if (tstate->compositor->touch_up_cb) {
tstate->compositor->touch_up_cb(tstate, event->slot);
}
}
static void touch_cancel_notify(struct wl_listener *listener, void *data) {
struct wlr_touch_cancel *event = data;
struct touch_state *tstate = wl_container_of(listener, tstate, cancel);
if (tstate->compositor->touch_cancel_cb) {
tstate->compositor->touch_cancel_cb(tstate, event->slot);
}
}
static void touch_add(struct wlr_input_device *device, struct compositor_state *state) {
struct touch_state *tstate = calloc(sizeof(struct touch_state), 1);
tstate->device = device;
tstate->compositor = state;
wl_list_init(&tstate->down.link);
wl_list_init(&tstate->motion.link);
wl_list_init(&tstate->up.link);
wl_list_init(&tstate->cancel.link);
tstate->down.notify = touch_down_notify;
tstate->motion.notify = touch_motion_notify;
tstate->up.notify = touch_up_notify;
tstate->cancel.notify = touch_cancel_notify;
wl_signal_add(&device->touch->events.down, &tstate->down);
wl_signal_add(&device->touch->events.motion, &tstate->motion);
wl_signal_add(&device->touch->events.up, &tstate->up);
wl_signal_add(&device->touch->events.cancel, &tstate->cancel);
wl_list_insert(&state->touch, &tstate->link);
}
static void tablet_tool_axis_notify(struct wl_listener *listener, void *data) {
struct wlr_tablet_tool_axis *event = data;
struct tablet_tool_state *tstate = wl_container_of(listener, tstate, axis);
if (tstate->compositor->tool_axis_cb) {
tstate->compositor->tool_axis_cb(tstate, event);
}
}
static void tablet_tool_proximity_notify(struct wl_listener *listener, void *data) {
struct wlr_tablet_tool_proximity *event = data;
struct tablet_tool_state *tstate = wl_container_of(listener, tstate, proximity);
if (tstate->compositor->tool_proximity_cb) {
tstate->compositor->tool_proximity_cb(tstate, event->state);
}
}
static void tablet_tool_button_notify(struct wl_listener *listener, void *data) {
struct wlr_tablet_tool_button *event = data;
struct tablet_tool_state *tstate = wl_container_of(listener, tstate, button);
if (tstate->compositor->tool_button_cb) {
tstate->compositor->tool_button_cb(tstate, event->button, event->state);
}
}
static void tablet_tool_add(struct wlr_input_device *device,
struct compositor_state *state) {
struct tablet_tool_state *tstate = calloc(sizeof(struct tablet_tool_state), 1);
tstate->device = device;
tstate->compositor = state;
wl_list_init(&tstate->axis.link);
wl_list_init(&tstate->proximity.link);
wl_list_init(&tstate->tip.link);
wl_list_init(&tstate->button.link);
tstate->axis.notify = tablet_tool_axis_notify;
tstate->proximity.notify = tablet_tool_proximity_notify;
//tstate->tip.notify = tablet_tool_tip_notify;
tstate->button.notify = tablet_tool_button_notify;
wl_signal_add(&device->tablet_tool->events.axis, &tstate->axis);
wl_signal_add(&device->tablet_tool->events.proximity, &tstate->proximity);
//wl_signal_add(&device->tablet_tool->events.tip, &tstate->tip);
wl_signal_add(&device->tablet_tool->events.button, &tstate->button);
wl_list_insert(&state->tablet_tools, &tstate->link);
}
static void input_add_notify(struct wl_listener *listener, void *data) {
struct wlr_input_device *device = data;
struct compositor_state *state = wl_container_of(listener, state, input_add);
switch (device->type) {
case WLR_INPUT_DEVICE_KEYBOARD:
keyboard_add(device, state);
break;
case WLR_INPUT_DEVICE_POINTER:
pointer_add(device, state);
break;
case WLR_INPUT_DEVICE_TOUCH:
touch_add(device, state);
break;
case WLR_INPUT_DEVICE_TABLET_TOOL:
tablet_tool_add(device, state);
default:
break;
}
}
static void keyboard_remove(struct wlr_input_device *device, struct compositor_state *state) {
struct keyboard_state *kbstate = NULL, *_kbstate;
wl_list_for_each(_kbstate, &state->keyboards, link) {
if (_kbstate->device == device) {
kbstate = _kbstate;
break;
}
}
if (!kbstate) {
return;
}
wl_list_remove(&kbstate->link);
wl_list_remove(&kbstate->key.link);
}
static void pointer_remove(struct wlr_input_device *device, struct compositor_state *state) {
struct pointer_state *pstate = NULL, *_pstate;
wl_list_for_each(_pstate, &state->pointers, link) {
if (_pstate->device == device) {
pstate = _pstate;
break;
}
}
if (!pstate) {
return;
}
wl_list_remove(&pstate->link);
wl_list_remove(&pstate->motion.link);
//wl_list_remove(&pstate->motion_absolute.link);
wl_list_remove(&pstate->button.link);
wl_list_remove(&pstate->axis.link);
}
static void touch_remove(struct wlr_input_device *device, struct compositor_state *state) {
struct touch_state *tstate = NULL, *_tstate;
wl_list_for_each(_tstate, &state->touch, link) {
if (_tstate->device == device) {
tstate = _tstate;
break;
}
}
if (!tstate) {
return;
}
wl_list_remove(&tstate->link);
wl_list_remove(&tstate->down.link);
wl_list_remove(&tstate->motion.link);
wl_list_remove(&tstate->up.link);
wl_list_remove(&tstate->cancel.link);
}
static void tablet_tool_remove(struct wlr_input_device *device, struct compositor_state *state) {
struct tablet_tool_state *tstate = NULL, *_tstate;
wl_list_for_each(_tstate, &state->tablet_tools, link) {
if (_tstate->device == device) {
tstate = _tstate;
break;
}
}
if (!tstate) {
return;
}
wl_list_remove(&tstate->link);
wl_list_remove(&tstate->axis.link);
wl_list_remove(&tstate->proximity.link);
//wl_list_remove(&tstate->tip.link);
wl_list_remove(&tstate->button.link);
}
static void input_remove_notify(struct wl_listener *listener, void *data) {
struct wlr_input_device *device = data;
struct compositor_state *state = wl_container_of(listener, state, input_add);
switch (device->type) {
case WLR_INPUT_DEVICE_KEYBOARD:
keyboard_remove(device, state);
break;
case WLR_INPUT_DEVICE_POINTER:
pointer_remove(device, state);
break;
case WLR_INPUT_DEVICE_TOUCH:
touch_remove(device, state);
break;
case WLR_INPUT_DEVICE_TABLET_TOOL:
tablet_tool_remove(device, state);
break;
default:
break;
}
}
static void output_frame_notify(struct wl_listener *listener, void *data) {
struct output_state *output = wl_container_of(listener, output, frame);
struct compositor_state *compositor = output->compositor;
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
if (compositor->output_frame_cb) {
compositor->output_frame_cb(output, &now);
}
output->last_frame = now;
compositor->last_frame = now;
}
static void output_add_notify(struct wl_listener *listener, void *data) {
struct wlr_output *output = data;
struct compositor_state *state = wl_container_of(listener, state, output_add);
fprintf(stderr, "Output '%s' added\n", output->name);
fprintf(stderr, "%s %s %"PRId32"mm x %"PRId32"mm\n", output->make, output->model,
output->phys_width, output->phys_height);
wlr_output_set_mode(output, output->modes->items[0]);
struct output_state *ostate = calloc(1, sizeof(struct output_state));
clock_gettime(CLOCK_MONOTONIC, &ostate->last_frame);
ostate->output = output;
ostate->compositor = state;
ostate->frame.notify = output_frame_notify;
wl_list_init(&ostate->frame.link);
wl_signal_add(&output->events.frame, &ostate->frame);
wl_list_insert(&state->outputs, &ostate->link);
if (state->output_add_cb) {
state->output_add_cb(ostate);
}
}
static void output_remove_notify(struct wl_listener *listener, void *data) {
struct wlr_output *output = data;
struct compositor_state *state = wl_container_of(listener, state, output_remove);
struct output_state *ostate = NULL, *_ostate;
wl_list_for_each(_ostate, &state->outputs, link) {
if (_ostate->output == output) {
ostate = _ostate;
break;
}
}
if (!ostate) {
return; // We are unfamiliar with this output
}
if (state->output_remove_cb) {
state->output_remove_cb(ostate);
}
wl_list_remove(&ostate->link);
wl_list_remove(&ostate->frame.link);
}
void compositor_init(struct compositor_state *state) {
memset(state, 0, sizeof(struct compositor_state));
state->display = wl_display_create();
state->event_loop = wl_display_get_event_loop(state->display);
state->session = wlr_session_start(state->display);
if (!state->session
|| !state->display
|| !state->event_loop) {
exit(1);
}
wl_list_init(&state->keyboards);
wl_list_init(&state->pointers);
wl_list_init(&state->touch);
wl_list_init(&state->tablet_tools);
wl_list_init(&state->input_add.link);
state->input_add.notify = input_add_notify;
wl_list_init(&state->input_remove.link);
state->input_remove.notify = input_remove_notify;
wl_list_init(&state->outputs);
wl_list_init(&state->output_add.link);
state->output_add.notify = output_add_notify;
wl_list_init(&state->output_remove.link);
state->output_remove.notify = output_remove_notify;
struct wlr_backend *wlr = wlr_backend_autocreate(
state->display, state->session);
if (!wlr) {
exit(1);
}
wl_signal_add(&wlr->events.input_add, &state->input_add);
wl_signal_add(&wlr->events.input_remove, &state->input_remove);
wl_signal_add(&wlr->events.output_add, &state->output_add);
wl_signal_add(&wlr->events.output_remove, &state->output_remove);
state->backend = wlr;
clock_gettime(CLOCK_MONOTONIC, &state->last_frame);
}
void compositor_run(struct compositor_state *state) {
if (!wlr_backend_init(state->backend)) {
fprintf(stderr, "Failed to initialize backend\n");
exit(1);
}
while (!state->exit) {
wl_event_loop_dispatch(state->event_loop, 0);
}
wlr_backend_destroy(state->backend);
wlr_session_finish(state->session);
wl_display_destroy(state->display);
}

119
example/shared.h
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#ifndef _EXAMPLE_SHARED_H
#define _EXAMPLE_SHARED_H
#define _POSIX_C_SOURCE 199309L
#include <time.h>
#include <stdbool.h>
#include <xkbcommon/xkbcommon.h>
#include <wayland-server-protocol.h>
#include <wlr/backend.h>
#include <wlr/session.h>
#include <wlr/types.h>
struct output_state {
struct compositor_state *compositor;
struct wlr_output *output;
struct wl_listener frame;
struct timespec last_frame;
struct wl_list link;
void *data;
};
struct keyboard_state {
struct compositor_state *compositor;
struct wlr_input_device *device;
struct wl_listener key;
struct wl_list link;
struct xkb_keymap *keymap;
struct xkb_state *xkb_state;
void *data;
};
struct pointer_state {
struct compositor_state *compositor;
struct wlr_input_device *device;
struct wl_listener motion;
struct wl_listener motion_absolute;
struct wl_listener button;
struct wl_listener axis;
struct wl_list link;
void *data;
};
struct touch_state {
struct compositor_state *compositor;
struct wlr_input_device *device;
struct wl_listener down;
struct wl_listener up;
struct wl_listener motion;
struct wl_listener cancel;
struct wl_list link;
void *data;
};
struct tablet_tool_state {
struct compositor_state *compositor;
struct wlr_input_device *device;
struct wl_listener axis;
struct wl_listener proximity;
struct wl_listener tip;
struct wl_listener button;
struct wl_list link;
void *data;
};
struct compositor_state {
void (*output_add_cb)(struct output_state *s);
void (*keyboard_add_cb)(struct keyboard_state *s);
void (*output_frame_cb)(struct output_state *s, struct timespec *ts);
void (*output_remove_cb)(struct output_state *s);
void (*keyboard_remove_cb)(struct keyboard_state *s);
void (*keyboard_key_cb)(struct keyboard_state *s, xkb_keysym_t sym,
enum wlr_key_state key_state);
void (*pointer_motion_cb)(struct pointer_state *s,
double d_x, double d_y);
void (*pointer_button_cb)(struct pointer_state *s,
uint32_t button, enum wlr_button_state state);
void (*pointer_axis_cb)(struct pointer_state *s,
enum wlr_axis_source source,
enum wlr_axis_orientation orientation,
double delta);
void (*touch_down_cb)(struct touch_state *s, int32_t slot,
double x, double y, double width, double height);
void (*touch_motion_cb)(struct touch_state *s, int32_t slot,
double x, double y, double width, double height);
void (*touch_up_cb)(struct touch_state *s, int32_t slot);
void (*touch_cancel_cb)(struct touch_state *s, int32_t slot);
void (*tool_axis_cb)(struct tablet_tool_state *s,
struct wlr_tablet_tool_axis *event);
void (*tool_proximity_cb)(struct tablet_tool_state *s,
enum wlr_tablet_tool_proximity_state proximity);
void (*tool_tip_cb)(struct tablet_tool_state *s,
enum wlr_tablet_tool_tip_state state);
void (*tool_button_cb)(struct tablet_tool_state *s,
uint32_t button, enum wlr_button_state state);
struct wl_display *display;
struct wl_event_loop *event_loop;
struct wlr_backend *backend;
struct wlr_session *session;
struct wl_list keyboards;
struct wl_list pointers;
struct wl_list touch;
struct wl_list tablet_tools;
struct wl_listener input_add;
struct wl_listener input_remove;
struct timespec last_frame;
struct wl_listener output_add;
struct wl_listener output_remove;
struct wl_list outputs;
bool exit;
void *data;
};
void compositor_init(struct compositor_state *state);
void compositor_run(struct compositor_state *state);
#endif

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example/simple.c
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@ -1,4 +1,5 @@
#define _POSIX_C_SOURCE 199309L
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
@ -8,152 +9,52 @@
#include <wlr/backend.h>
#include <wlr/session.h>
#include <wlr/types.h>
#include <xkbcommon/xkbcommon.h>
#include "shared.h"
struct state {
struct sample_state {
float color[3];
int dec;
struct timespec last_frame;
struct wl_listener output_add;
struct wl_listener output_remove;
struct wl_list outputs;
};
struct output_state {
struct wl_list link;
struct wlr_output *output;
struct state *state;
struct wl_listener frame;
};
void output_frame(struct wl_listener *listener, void *data) {
struct output_state *ostate = wl_container_of(listener, ostate, frame);
struct state *s = ostate->state;
void handle_output_frame(struct output_state *output, struct timespec *ts) {
struct compositor_state *state = output->compositor;
struct sample_state *sample = state->data;
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
long ms = (ts->tv_sec - state->last_frame.tv_sec) * 1000 +
(ts->tv_nsec - state->last_frame.tv_nsec) / 1000000;
int inc = (sample->dec + 1) % 3;
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;
sample->color[inc] += ms / 2000.0f;
sample->color[sample->dec] -= ms / 2000.0f;
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;
if (sample->color[sample->dec] < 0.0f) {
sample->color[inc] = 1.0f;
sample->color[sample->dec] = 0.0f;
sample->dec = inc;
}
s->last_frame = now;
glClearColor(s->color[0], s->color[1], s->color[2], 1.0);
glClearColor(sample->color[0], sample->color[1], sample->color[2], 1.0);
glClear(GL_COLOR_BUFFER_BIT);
}
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);
fprintf(stderr, "%s %s %"PRId32"mm x %"PRId32"mm\n", output->make, output->model,
output->phys_width, output->phys_height);
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);
wl_list_insert(&state->outputs, &ostate->link);
}
void output_remove(struct wl_listener *listener, void *data) {
struct wlr_output *output = data;
struct state *state = wl_container_of(listener, state, output_remove);
struct output_state *ostate = NULL, *_ostate;
wl_list_for_each(_ostate, &state->outputs, link) {
if (_ostate->output == output) {
ostate = _ostate;
break;
}
}
if (!ostate) {
return; // We are unfamiliar with this output
}
wl_list_remove(&ostate->link);
wl_list_remove(&ostate->frame.link);
}
int timer_done(void *data) {
*(bool *)data = true;
return 1;
}
int enable_outputs(void *data) {
struct state *state = data;
struct output_state *ostate;
wl_list_for_each(ostate, &state->outputs, link) {
struct wlr_output *output = ostate->output;
wlr_output_enable(output, true);
static void handle_keyboard_key(struct keyboard_state *kbstate,
xkb_keysym_t sym, enum wlr_key_state key_state) {
if (sym == XKB_KEY_Escape) {
kbstate->compositor->exit = true;
}
return 1;
}
int disable_outputs(void *data) {
struct state *state = data;
struct output_state *ostate;
wl_list_for_each(ostate, &state->outputs, link) {
struct wlr_output *output = ostate->output;
wlr_output_enable(output, false);
}
return 1;
}
int main() {
struct state state = {
struct sample_state state = {
.color = { 1.0, 0.0, 0.0 },
.dec = 0,
.output_add = { .notify = output_add },
.output_remove = { .notify = output_remove }
};
struct compositor_state compositor;
wl_list_init(&state.outputs);
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(display);
if (!session) {
return 1;
}
struct wlr_backend *wlr = wlr_backend_autocreate(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);
struct wl_event_source *timer_disable_outputs =
wl_event_loop_add_timer(event_loop, disable_outputs, &state);
struct wl_event_source *timer_enable_outputs =
wl_event_loop_add_timer(event_loop, enable_outputs, &state);
wl_event_source_timer_update(timer, 20000);
wl_event_source_timer_update(timer_disable_outputs, 5000);
wl_event_source_timer_update(timer_enable_outputs, 10000);
while (!done) {
wl_event_loop_dispatch(event_loop, 0);
}
wl_event_source_remove(timer);
wlr_backend_destroy(wlr);
wl_display_destroy(display);
compositor_init(&compositor);
compositor.output_frame_cb = handle_output_frame;
compositor.keyboard_key_cb = handle_keyboard_key;
compositor.data = &state;
compositor_run(&compositor);
}

143
example/tablet.c
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#define _POSIX_C_SOURCE 199309L
#define _XOPEN_SOURCE 500
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>
#include <unistd.h>
#include <wayland-server.h>
#include <wayland-server-protocol.h>
#include <xkbcommon/xkbcommon.h>
#include <GLES3/gl3.h>
#include <wlr/render/matrix.h>
#include <wlr/render/gles3.h>
#include <wlr/render.h>
#include <wlr/backend.h>
#include <wlr/session.h>
#include <wlr/types.h>
#include <math.h>
#include "shared.h"
#include "cat.h"
struct sample_state {
struct wlr_renderer *renderer;
bool proximity, tap;
double distance;
double pressure;
double x_mm, y_mm;
double width_mm, height_mm;
struct wl_list link;
float tool_color[4];
};
static void handle_output_frame(struct output_state *output, struct timespec *ts) {
struct compositor_state *state = output->compositor;
struct sample_state *sample = state->data;
struct wlr_output *wlr_output = output->output;
int32_t width, height;
wlr_output_effective_resolution(wlr_output, &width, &height);
wlr_renderer_begin(sample->renderer, wlr_output);
float matrix[16], view[16];
float pad_color[4] = { 0.75, 0.75, 0.75, 1.0 };
float distance = 0.8f * (1 - sample->distance);
float tool_color[4] = { distance, distance, distance, 1 };
for (size_t i = 0; i < 4; ++i) {
tool_color[i] *= sample->tool_color[i];
}
float scale = 4;
float pad_width = sample->width_mm * scale;
float pad_height = sample->height_mm * scale;
float left = width / 2.0f - pad_width / 2.0f;
float top = height / 2.0f - pad_height / 2.0f;
wlr_matrix_translate(&matrix, left, top, 0);
wlr_matrix_scale(&view, pad_width, pad_height, 1);
wlr_matrix_mul(&matrix, &view, &view);
wlr_matrix_mul(&wlr_output->transform_matrix, &view, &matrix);
wlr_render_colored_quad(sample->renderer, &pad_color, &matrix);
if (sample->proximity) {
wlr_matrix_translate(&matrix,
sample->x_mm * scale - 8 * (sample->pressure + 1) + left,
sample->y_mm * scale - 8 * (sample->pressure + 1) + top, 0);
wlr_matrix_scale(&view,
16 * (sample->pressure + 1),
16 * (sample->pressure + 1), 1);
wlr_matrix_mul(&matrix, &view, &view);
wlr_matrix_mul(&wlr_output->transform_matrix, &view, &matrix);
wlr_render_colored_ellipse(sample->renderer, &tool_color, &matrix);
}
wlr_renderer_end(sample->renderer);
}
static void handle_keyboard_key(struct keyboard_state *kbstate,
xkb_keysym_t sym, enum wlr_key_state key_state) {
if (sym == XKB_KEY_Escape) {
kbstate->compositor->exit = true;
}
}
static void handle_tool_axis(struct tablet_tool_state *tstate,
struct wlr_tablet_tool_axis *event) {
struct sample_state *sample = tstate->compositor->data;
sample->width_mm = event->width_mm;
sample->height_mm = event->height_mm;
if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_X)) {
sample->x_mm = event->x_mm;
}
if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_Y)) {
sample->y_mm = event->y_mm;
}
if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_DISTANCE)) {
sample->distance = event->distance;
}
if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_PRESSURE)) {
sample->pressure = event->pressure;
}
}
static void handle_tool_proximity(struct tablet_tool_state *tstate,
enum wlr_tablet_tool_proximity_state state) {
struct sample_state *sample = tstate->compositor->data;
sample->proximity = state == WLR_TABLET_TOOL_PROXIMITY_IN;
}
static void handle_tool_button(struct tablet_tool_state *tstate,
uint32_t button, enum wlr_button_state state) {
struct sample_state *sample = tstate->compositor->data;
if (state == WLR_BUTTON_RELEASED) {
float default_color[4] = { 1, 1, 1, 1 };
memcpy(sample->tool_color, default_color, 4);
} else {
for (size_t i = 0; i < 3; ++i) {
if (button % 3 != i) {
sample->tool_color[button % 3] = 0;
}
}
}
}
int main(int argc, char *argv[]) {
struct sample_state state = {
.tool_color = { 1, 1, 1, 1 }
};
struct compositor_state compositor;
compositor_init(&compositor);
compositor.output_frame_cb = handle_output_frame;
compositor.keyboard_key_cb = handle_keyboard_key;
compositor.tool_axis_cb = handle_tool_axis;
compositor.tool_proximity_cb = handle_tool_proximity;
compositor.tool_button_cb = handle_tool_button;
state.renderer = wlr_gles3_renderer_init();
compositor.data = &state;
compositor_run(&compositor);
wlr_renderer_destroy(state.renderer);
}

122
example/touch.c
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#define _POSIX_C_SOURCE 199309L
#define _XOPEN_SOURCE 500
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>
#include <unistd.h>
#include <stdint.h>
#include <math.h>
#include <wayland-server.h>
#include <wayland-server-protocol.h>
#include <xkbcommon/xkbcommon.h>
#include <GLES3/gl3.h>
#include <wlr/common/list.h>
#include <wlr/render/matrix.h>
#include <wlr/render/gles3.h>
#include <wlr/render.h>
#include <wlr/backend.h>
#include <wlr/session.h>
#include <wlr/types.h>
#include "shared.h"
#include "cat.h"
struct sample_state {
struct wlr_renderer *renderer;
struct wlr_surface *cat_texture;
list_t *touch_points;
};
struct touch_point {
int32_t slot;
double x, y;
};
static void handle_output_frame(struct output_state *output, struct timespec *ts) {
struct compositor_state *state = output->compositor;
struct sample_state *sample = state->data;
struct wlr_output *wlr_output = output->output;
int32_t width, height;
wlr_output_effective_resolution(wlr_output, &width, &height);
wlr_renderer_begin(sample->renderer, wlr_output);
float matrix[16];
for (size_t i = 0; i < sample->touch_points->length; ++i) {
struct touch_point *p = sample->touch_points->items[i];
wlr_surface_get_matrix(sample->cat_texture, &matrix,
&wlr_output->transform_matrix,
(int)(p->x * width) - sample->cat_texture->width / 2,
(int)(p->y * height) - sample->cat_texture->height / 2);
wlr_render_with_matrix(sample->renderer,
sample->cat_texture, &matrix);
}
wlr_renderer_end(sample->renderer);
}
static void handle_keyboard_key(struct keyboard_state *kbstate,
xkb_keysym_t sym, enum wlr_key_state key_state) {
if (sym == XKB_KEY_Escape) {
kbstate->compositor->exit = true;
}
}
static void handle_touch_down(struct touch_state *tstate, int32_t slot,
double x, double y, double width, double height) {
struct sample_state *sample = tstate->compositor->data;
struct touch_point *point = calloc(1, sizeof(struct touch_state));
point->slot = slot;
point->x = x / width;
point->y = y / height;
list_add(sample->touch_points, point);
}
static void handle_touch_up(struct touch_state *tstate, int32_t slot) {
struct sample_state *sample = tstate->compositor->data;
for (size_t i = 0; i < sample->touch_points->length; ++i) {
struct touch_point *point = sample->touch_points->items[i];
if (point->slot == slot) {
list_del(sample->touch_points, i);
break;
}
}
}
static void handle_touch_motion(struct touch_state *tstate, int32_t slot,
double x, double y, double width, double height) {
struct sample_state *sample = tstate->compositor->data;
for (size_t i = 0; i < sample->touch_points->length; ++i) {
struct touch_point *point = sample->touch_points->items[i];
if (point->slot == slot) {
point->x = x / width;
point->y = y / height;
break;
}
}
}
int main(int argc, char *argv[]) {
struct sample_state state = {
.touch_points = list_create()
};
struct compositor_state compositor;
compositor_init(&compositor);
compositor.output_frame_cb = handle_output_frame;
compositor.keyboard_key_cb = handle_keyboard_key;
compositor.touch_down_cb = handle_touch_down;
compositor.touch_up_cb = handle_touch_up;
compositor.touch_motion_cb = handle_touch_motion;
state.renderer = wlr_gles3_renderer_init();
state.cat_texture = wlr_render_surface_init(state.renderer);
wlr_surface_attach_pixels(state.cat_texture, GL_RGBA,
cat_tex.width, cat_tex.height, cat_tex.pixel_data);
compositor.data = &state;
compositor_run(&compositor);
wlr_surface_destroy(state.cat_texture);
wlr_renderer_destroy(state.renderer);
}

8
include/backend/drm.h
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@ -73,10 +73,12 @@ struct wlr_output_state {
drmModeCrtc *old_crtc;
struct wlr_drm_renderer *renderer;
struct gbm_surface *gbm;
struct gbm_bo *bo_last;
struct gbm_bo *bo_current;
EGLSurface *egl;
struct gbm_surface *gbm;
struct gbm_bo *bo[2];
struct gbm_bo *cursor_bo[2];
int current_cursor;
uint32_t cursor_width, cursor_height;
bool pageflip_pending;
bool cleanup;

71
include/backend/libinput.h
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#ifndef _WLR_BACKEND_LIBINPUT_INTERNAL_H
#define _WLR_BACKEND_LIBINPUT_INTERNAL_H
#include <libinput.h>
#include <wlr/backend/interface.h>
#include <wlr/common/list.h>
#include <wayland-server-core.h>
#include "backend/udev.h"
#include "types.h"
struct wlr_backend_state {
struct wlr_backend *backend;
struct wlr_session *session;
struct wlr_udev *udev;
struct wl_display *display;
struct libinput *libinput;
struct wl_event_source *input_event;
list_t *devices;
};
struct wlr_input_device_state {
struct libinput_device *handle;
};
void wlr_libinput_event(struct wlr_backend_state *state,
struct libinput_event *event);
struct wlr_input_device *get_appropriate_device(
enum wlr_input_device_type desired_type,
struct libinput_device *device);
struct wlr_keyboard *wlr_libinput_keyboard_create(
struct libinput_device *device);
void handle_keyboard_key(struct libinput_event *event,
struct libinput_device *device);
struct wlr_pointer *wlr_libinput_pointer_create(
struct libinput_device *device);
void handle_pointer_motion(struct libinput_event *event,
struct libinput_device *device);
void handle_pointer_motion_abs(struct libinput_event *event,
struct libinput_device *device);
void handle_pointer_button(struct libinput_event *event,
struct libinput_device *device);
void handle_pointer_axis(struct libinput_event *event,
struct libinput_device *device);
struct wlr_touch *wlr_libinput_touch_create(
struct libinput_device *device);
void handle_touch_down(struct libinput_event *event,
struct libinput_device *device);
void handle_touch_up(struct libinput_event *event,
struct libinput_device *device);
void handle_touch_motion(struct libinput_event *event,
struct libinput_device *device);
void handle_touch_cancel(struct libinput_event *event,
struct libinput_device *device);
struct wlr_tablet_tool *wlr_libinput_tablet_tool_create(
struct libinput_device *device);
void handle_tablet_tool_axis(struct libinput_event *event,
struct libinput_device *device);
void handle_tablet_tool_proximity(struct libinput_event *event,
struct libinput_device *device);
void handle_tablet_tool_tip(struct libinput_event *event,
struct libinput_device *device);
void handle_tablet_tool_button(struct libinput_event *event,
struct libinput_device *device);
#endif

13
include/backend/multi.h
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@ -0,0 +1,13 @@
#ifndef _WLR_MULTI_BACKEND_INTERNAL
#define _WLR_MULTI_BACKEND_INTERNAL
#include <wlr/backend/interface.h>
#include <wlr/backend/multi.h>
#include <wlr/common/list.h>
struct wlr_backend_state {
struct wlr_backend *backend;
list_t *backends;
};
#endif

3
include/render/gles3.h
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@ -13,6 +13,9 @@ struct wlr_surface_state {
struct wlr_surface *gles3_surface_init();
extern const GLchar quad_vertex_src[];
extern const GLchar quad_fragment_src[];
extern const GLchar ellipse_fragment_src[];
extern const GLchar vertex_src[];
extern const GLchar fragment_src_RGB[];
extern const GLchar fragment_src_RGBA[];

46
include/types.h
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@ -11,6 +11,9 @@ struct wlr_output_impl {
struct wlr_output_mode *mode);
void (*transform)(struct wlr_output_state *state,
enum wl_output_transform transform);
bool (*set_cursor)(struct wlr_output_state *state,
const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height);
bool (*move_cursor)(struct wlr_output_state *state, int x, int y);
void (*destroy)(struct wlr_output_state *state);
};
@ -18,4 +21,47 @@ struct wlr_output *wlr_output_create(struct wlr_output_impl *impl,
struct wlr_output_state *state);
void wlr_output_free(struct wlr_output *output);
struct wlr_keyboard_impl {
void (*destroy)(struct wlr_keyboard_state *state);
};
struct wlr_keyboard *wlr_keyboard_create(struct wlr_keyboard_impl *impl,
struct wlr_keyboard_state *state);
void wlr_keyboard_destroy(struct wlr_keyboard *keyboard);
struct wlr_pointer_impl {
void (*destroy)(struct wlr_pointer_state *state);
};
struct wlr_pointer *wlr_pointer_create(struct wlr_pointer_impl *impl,
struct wlr_pointer_state *state);
void wlr_pointer_destroy(struct wlr_pointer *pointer);
struct wlr_touch_impl {
void (*destroy)(struct wlr_touch_state *state);
};
struct wlr_touch *wlr_touch_create(struct wlr_touch_impl *impl,
struct wlr_touch_state *state);
void wlr_touch_destroy(struct wlr_touch *touch);
struct wlr_tablet_tool_impl {
void (*destroy)(struct wlr_tablet_tool_state *tool);
};
struct wlr_tablet_tool *wlr_tablet_tool_create(struct wlr_tablet_tool_impl *impl,
struct wlr_tablet_tool_state *state);
void wlr_tablet_tool_destroy(struct wlr_tablet_tool *tool);
struct wlr_input_device_impl {
void (*destroy)(struct wlr_input_device_state *state);
};
struct wlr_input_device *wlr_input_device_create(
enum wlr_input_device_type type,
struct wlr_input_device_impl *impl,
struct wlr_input_device_state *state,
const char *name, int vendor, int product);
void wlr_input_device_destroy(struct wlr_input_device *dev);
#endif

8
include/wlr/backend.h
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@ -12,14 +12,10 @@ struct wlr_backend {
struct wlr_backend_state *state;
struct {
struct wl_signal input_add;
struct wl_signal input_remove;
struct wl_signal output_add;
struct wl_signal output_remove;
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;
};

15
include/wlr/backend/libinput.h
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@ -0,0 +1,15 @@
#ifndef WLR_BACKEND_LIBINPUT_H
#define WLR_BACKEND_LIBINPUT_H
#include <libinput.h>
#include <wayland-server.h>
#include <wlr/session.h>
#include <wlr/backend.h>
#include <wlr/backend/udev.h>
#include <wlr/types.h>
struct wlr_backend *wlr_libinput_backend_create(struct wl_display *display,
struct wlr_session *session, struct wlr_udev *udev);
struct libinput_device *wlr_libinput_get_device_handle(struct wlr_input_device *dev);
#endif

10
include/wlr/backend/multi.h
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@ -0,0 +1,10 @@
#ifndef _WLR_BACKEND_MULTI_H
#define _WLR_BACKEND_MULTI_H
#include <wlr/backend.h>
struct wlr_backend *wlr_multi_backend_create();
void wlr_multi_backend_add(struct wlr_backend *multi,
struct wlr_backend *backend);
#endif

10
include/wlr/render.h
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@ -28,6 +28,16 @@ struct wlr_surface *wlr_render_surface_init(struct wlr_renderer *r);
*/
bool wlr_render_with_matrix(struct wlr_renderer *r,
struct wlr_surface *surface, const float (*matrix)[16]);
/**
* Renders a solid quad in the specified color.
*/
void wlr_render_colored_quad(struct wlr_renderer *r,
const float (*color)[4], const float (*matrix)[16]);
/**
* Renders a solid ellipse in the specified color.
*/
void wlr_render_colored_ellipse(struct wlr_renderer *r,
const float (*color)[4], const float (*matrix)[16]);
/**
* Destroys this wlr_renderer. Surfaces must be destroyed separately.
*/

4
include/wlr/render/interface.h
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@ -19,6 +19,10 @@ struct wlr_renderer_impl {
struct wlr_surface *(*surface_init)(struct wlr_renderer_state *state);
bool (*render_with_matrix)(struct wlr_renderer_state *state,
struct wlr_surface *surface, const float (*matrix)[16]);
void (*render_quad)(struct wlr_renderer_state *state,
const float (*color)[4], const float (*matrix)[16]);
void (*render_ellipse)(struct wlr_renderer_state *state,
const float (*color)[4], const float (*matrix)[16]);
void (*destroy)(struct wlr_renderer_state *state);
};

237
include/wlr/types.h
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@ -46,8 +46,245 @@ bool wlr_output_set_mode(struct wlr_output *output,
struct wlr_output_mode *mode);
void wlr_output_transform(struct wlr_output *output,
enum wl_output_transform transform);
bool wlr_output_set_cursor(struct wlr_output *output,
const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height);
bool wlr_output_move_cursor(struct wlr_output *output, int x, int y);
void wlr_output_destroy(struct wlr_output *output);
void wlr_output_effective_resolution(struct wlr_output *output,
int *width, int *height);
struct wlr_keyboard_state;
struct wlr_keyboard_impl;
struct wlr_keyboard {
struct wlr_keyboard_state *state;
struct wlr_keyboard_impl *impl;
struct {
struct wl_signal key;
} events;
};
enum wlr_key_state {
WLR_KEY_RELEASED,
WLR_KEY_PRESSED,
};
struct wlr_keyboard_key {
uint32_t time_sec;
uint64_t time_usec;
uint32_t keycode;
enum wlr_key_state state;
};
struct wlr_pointer_state;
struct wlr_pointer_impl;
struct wlr_pointer {
struct wlr_pointer_state *state;
struct wlr_pointer_impl *impl;
struct {
struct wl_signal motion;
struct wl_signal motion_absolute;
struct wl_signal button;
struct wl_signal axis;
} events;
};
struct wlr_pointer_motion {
uint32_t time_sec;
uint64_t time_usec;
double delta_x, delta_y;
};
struct wlr_pointer_motion_absolute {
uint32_t time_sec;
uint64_t time_usec;
double x_mm, y_mm;
double width_mm, height_mm;
};
enum wlr_button_state {
WLR_BUTTON_RELEASED,
WLR_BUTTON_PRESSED,
};
struct wlr_pointer_button {
uint32_t time_sec;
uint64_t time_usec;
uint32_t button;
enum wlr_button_state state;
};
enum wlr_axis_source {
WLR_AXIS_SOURCE_WHEEL,
WLR_AXIS_SOURCE_FINGER,
WLR_AXIS_SOURCE_CONTINUOUS,
WLR_AXIS_SOURCE_WHEEL_TILT,
};
enum wlr_axis_orientation {
WLR_AXIS_ORIENTATION_VERTICAL,
WLR_AXIS_ORIENTATION_HORIZONTAL,
};
struct wlr_pointer_axis {
uint32_t time_sec;
uint64_t time_usec;
enum wlr_axis_source source;
enum wlr_axis_orientation orientation;
double delta;
};
struct wlr_touch_state;
struct wlr_touch_impl;
struct wlr_touch {
struct wlr_touch_state *state;
struct wlr_touch_impl *impl;
struct {
struct wl_signal down;
struct wl_signal up;
struct wl_signal motion;
struct wl_signal cancel;
} events;
};
struct wlr_touch_down {
uint32_t time_sec;
uint64_t time_usec;
int32_t slot;
double x_mm, y_mm;
double width_mm, height_mm;
};
struct wlr_touch_up {
uint32_t time_sec;
uint64_t time_usec;
int32_t slot;
};
struct wlr_touch_motion {
uint32_t time_sec;
uint64_t time_usec;
int32_t slot;
double x_mm, y_mm;
double width_mm, height_mm;
};
struct wlr_touch_cancel {
uint32_t time_sec;
uint64_t time_usec;
int32_t slot;
};
struct wlr_tablet_tool_impl;
struct wlr_tablet_tool_state;
struct wlr_tablet_tool {
struct wlr_tablet_tool_impl *impl;
struct wlr_tablet_tool_state *state;
struct {
struct wl_signal axis;
struct wl_signal proximity;
struct wl_signal tip;
struct wl_signal button;
} events;
};
enum wlr_tablet_tool_axes {
WLR_TABLET_TOOL_AXIS_X = 1,
WLR_TABLET_TOOL_AXIS_Y = 2,
WLR_TABLET_TOOL_AXIS_DISTANCE = 4,
WLR_TABLET_TOOL_AXIS_PRESSURE = 8,
WLR_TABLET_TOOL_AXIS_TILT_X = 16,
WLR_TABLET_TOOL_AXIS_TILT_Y = 32,
WLR_TABLET_TOOL_AXIS_ROTATION = 64,
WLR_TABLET_TOOL_AXIS_SLIDER = 128,
WLR_TABLET_TOOL_AXIS_WHEEL = 256,
};
struct wlr_tablet_tool_axis {
uint32_t time_sec;
uint64_t time_usec;
uint32_t updated_axes;
double x_mm, y_mm;
double width_mm, height_mm;
double pressure;
double distance;
double tilt_x, tilt_y;
double rotation;
double slider;
double wheel_delta;
};
enum wlr_tablet_tool_proximity_state {
WLR_TABLET_TOOL_PROXIMITY_OUT,
WLR_TABLET_TOOL_PROXIMITY_IN,
};
struct wlr_tablet_tool_proximity {
uint32_t time_sec;
uint64_t time_usec;
double x, y;
double width_mm, height_mm;
enum wlr_tablet_tool_proximity_state state;
};
enum wlr_tablet_tool_tip_state {
WLR_TABLET_TOOL_TIP_UP,
WLR_TABLET_TOOL_TIP_DOWN,
};
struct wlr_tablet_tool_tip {
uint32_t time_sec;
uint64_t time_usec;
double x, y;
double width_mm, height_mm;
enum wlr_tablet_tool_tip_state state;
};
struct wlr_tablet_tool_button {
uint32_t time_sec;
uint64_t time_usec;
uint32_t button;
enum wlr_button_state state;
};
// TODO: tablet pad
// TODO: switch
enum wlr_input_device_type {
WLR_INPUT_DEVICE_KEYBOARD,
WLR_INPUT_DEVICE_POINTER,
WLR_INPUT_DEVICE_TOUCH,
WLR_INPUT_DEVICE_TABLET_TOOL,
WLR_INPUT_DEVICE_TABLET_PAD,
WLR_INPUT_DEVICE_GESTURE,
WLR_INPUT_DEVICE_SWITCH,
};
struct wlr_input_device_state;
struct wlr_input_device_impl;
struct wlr_input_device {
struct wlr_input_device_state *state;
struct wlr_input_device_impl *impl;
enum wlr_input_device_type type;
int vendor, product;
char *name;
union {
void *_device;
struct wlr_keyboard *keyboard;
struct wlr_pointer *pointer;
struct wlr_touch *touch;
struct wlr_tablet_tool *tablet_tool;
};
};
#endif

35
render/gles3/renderer.c
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@ -13,6 +13,8 @@
static struct {
bool initialized;
GLuint rgb, rgba;
GLuint quad;
GLuint ellipse;
} shaders;
static GLuint vao, vbo, ebo;
@ -28,6 +30,9 @@ static bool compile_shader(GLuint type, const GLchar *src, GLuint *shader) {
GL_CALL(glGetShaderiv(*shader, GL_INFO_LOG_LENGTH, &loglen));
GLchar msg[loglen];
GL_CALL(glGetShaderInfoLog(*shader, loglen, &loglen, msg));
wlr_log(L_ERROR, "Shader compilation failed");
wlr_log(L_ERROR, "%s", msg);
exit(1);
return false;
}
return true;
@ -60,6 +65,12 @@ static void init_default_shaders() {
if (!compile_program(vertex_src, fragment_src_RGBA, &shaders.rgba)) {
goto error;
}
if (!compile_program(quad_vertex_src, quad_fragment_src, &shaders.quad)) {
goto error;
}
if (!compile_program(quad_vertex_src, ellipse_fragment_src, &shaders.ellipse)) {
goto error;
}
return;
error:
wlr_log(L_ERROR, "Failed to set up default shaders!");
@ -141,6 +152,28 @@ static bool wlr_gles3_render_surface(struct wlr_renderer_state *state,
return true;
}
static void wlr_gles3_render_quad(struct wlr_renderer_state *state,
const float (*color)[4], const float (*matrix)[16]) {
GL_CALL(glUseProgram(shaders.quad));
GL_CALL(glBindVertexArray(vao));
GL_CALL(glBindBuffer(GL_ARRAY_BUFFER, vbo));
GL_CALL(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ebo));
GL_CALL(glUniformMatrix4fv(0, 1, GL_TRUE, *matrix));
GL_CALL(glUniform4f(1, (*color)[0], (*color)[1], (*color)[2], (*color)[3]));
GL_CALL(glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0));
}
static void wlr_gles3_render_ellipse(struct wlr_renderer_state *state,
const float (*color)[4], const float (*matrix)[16]) {
GL_CALL(glUseProgram(shaders.ellipse));
GL_CALL(glBindVertexArray(vao));
GL_CALL(glBindBuffer(GL_ARRAY_BUFFER, vbo));
GL_CALL(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ebo));
GL_CALL(glUniformMatrix4fv(0, 1, GL_TRUE, *matrix));
GL_CALL(glUniform4f(1, (*color)[0], (*color)[1], (*color)[2], (*color)[3]));
GL_CALL(glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0));
}
static void wlr_gles3_destroy(struct wlr_renderer_state *state) {
// no-op
}
@ -150,6 +183,8 @@ static struct wlr_renderer_impl wlr_renderer_impl = {
.end = wlr_gles3_end,
.surface_init = wlr_gles3_surface_init,
.render_with_matrix = wlr_gles3_render_surface,
.render_quad = wlr_gles3_render_quad,
.render_ellipse = wlr_gles3_render_ellipse,
.destroy = wlr_gles3_destroy
};

75
render/gles3/shaders.c
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@ -1,28 +1,63 @@
#include "render/gles3.h"
#include <GLES3/gl3.h>
// Colored quads
const GLchar quad_vertex_src[] =
"uniform mat4 proj;"
"uniform vec4 color;"
"attribute vec2 pos;"
"attribute vec2 texcoord;"
"varying vec4 v_color;"
"varying vec2 v_texcoord;"
"void main() {"
" gl_Position = proj * vec4(pos, 0.0, 1.0);"
" v_color = color;"
" v_texcoord = texcoord;"
"}";
const GLchar quad_fragment_src[] =
"precision mediump float;"
"varying vec4 v_color;"
"varying vec2 v_texcoord;"
"void main() {"
" gl_FragColor = v_color;"
"}";
// Colored ellipses (TODO)
const GLchar ellipse_fragment_src[] =
"precision mediump float;"
"varying vec4 v_color;"
"varying vec2 v_texcoord;"
"void main() {"
" float l = length(v_texcoord - vec2(0.5, 0.5));"
" if (l > 0.5) discard;"
" gl_FragColor = v_color;"
"}";
// Textured quads
const GLchar vertex_src[] =
"uniform mat4 proj;\n"
"attribute vec2 pos;\n"
"attribute vec2 texcoord;\n"
"varying vec2 v_texcoord;\n"
"void main() {\n"
" gl_Position = proj * vec4(pos, 0.0, 1.0);\n"
" v_texcoord = texcoord;\n"
"}\n";
"uniform mat4 proj;"
"attribute vec2 pos;"
"attribute vec2 texcoord;"
"varying vec2 v_texcoord;"
"void main() {"
" gl_Position = proj * vec4(pos, 0.0, 1.0);"
" v_texcoord = texcoord;"
"}";
const GLchar fragment_src_RGB[] =
"precision mediump float;\n"
"varying vec2 v_texcoord;\n"
"uniform sampler2D tex;\n"
"void main() {\n"
" gl_FragColor = vec4(texture2D(tex, v_texcoord).rgb, 1.0);\n"
"}\n";
"precision mediump float;"
"varying vec2 v_texcoord;"
"uniform sampler2D tex;"
"void main() {"
" gl_FragColor = vec4(texture2D(tex, v_texcoord).rgb, 1.0);"
"}";
const GLchar fragment_src_RGBA[] =
"precision mediump float;\n"
"varying vec2 v_texcoord;\n"
"uniform sampler2D tex;\n"
"void main() {\n"
" gl_FragColor = texture2D(tex, v_texcoord);\n"
"}\n";
"precision mediump float;"
"varying vec2 v_texcoord;"
"uniform sampler2D tex;"
"void main() {"
" gl_FragColor = texture2D(tex, v_texcoord);"
"}";

10
render/wlr_renderer.c
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@ -31,3 +31,13 @@ bool wlr_render_with_matrix(struct wlr_renderer *r,
struct wlr_surface *surface, const float (*matrix)[16]) {
return r->impl->render_with_matrix(r->state, surface, matrix);
}
void wlr_render_colored_quad(struct wlr_renderer *r,
const float (*color)[4], const float (*matrix)[16]) {
r->impl->render_quad(r->state, color, matrix);
}
void wlr_render_colored_ellipse(struct wlr_renderer *r,
const float (*color)[4], const float (*matrix)[16]) {
r->impl->render_ellipse(r->state, color, matrix);
}

1
session/logind.c
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@ -29,7 +29,6 @@ struct logind_session {
static int logind_take_device(struct wlr_session *restrict base,
const char *restrict path) {
struct logind_session *session = wl_container_of(base, session, base);
int ret;

5
types/CMakeLists.txt
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@ -5,6 +5,11 @@ include_directories(
add_library(wlr-types
wlr_output.c
wlr_input_device.c
wlr_keyboard.c
wlr_pointer.c
wlr_touch.c
wlr_tablet_tool.c
)
target_link_libraries(wlr-types

43
types/wlr_input_device.c
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@ -0,0 +1,43 @@
#define _XOPEN_SOURCE 500
#include <stdlib.h>
#include <string.h>
#include <wayland-server.h>
#include <wlr/types.h>
#include <wlr/common/list.h>
#include "common/log.h"
#include "types.h"
struct wlr_input_device *wlr_input_device_create(
enum wlr_input_device_type type,
struct wlr_input_device_impl *impl,
struct wlr_input_device_state *state,
const char *name, int vendor, int product) {
struct wlr_input_device *dev = calloc(1, sizeof(struct wlr_input_device));
dev->type = type;
dev->impl = impl;
dev->state = state;
dev->name = strdup(name);
dev->vendor = vendor;
dev->product = product;
return dev;
}
void wlr_input_device_destroy(struct wlr_input_device *dev) {
if (!dev) return;
if (dev->impl && dev->impl->destroy && dev->state) {
dev->impl->destroy(dev->state);
}
if (dev->_device) {
switch (dev->type) {
case WLR_INPUT_DEVICE_KEYBOARD:
wlr_keyboard_destroy(dev->keyboard);
break;
default:
wlr_log(L_DEBUG, "Warning: leaking memory %p %p %d",
dev->_device, dev, dev->type);
break;
}
}
free(dev->name);
free(dev);
}

23
types/wlr_keyboard.c
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@ -0,0 +1,23 @@
#include <stdlib.h>
#include <string.h>
#include <wayland-server.h>
#include <wlr/types.h>
#include <wlr/common/list.h>
#include "types.h"
struct wlr_keyboard *wlr_keyboard_create(struct wlr_keyboard_impl *impl,
struct wlr_keyboard_state *state) {
struct wlr_keyboard *kb = calloc(1, sizeof(struct wlr_keyboard));
kb->impl = impl;
kb->state = state;
wl_signal_init(&kb->events.key);
return kb;
}
void wlr_keyboard_destroy(struct wlr_keyboard *kb) {
if (!kb) return;
if (kb->impl) {
kb->impl->destroy(kb->state);
}
free(kb);
}

9
types/wlr_output.c
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@ -91,6 +91,15 @@ void wlr_output_transform(struct wlr_output *output,
output->impl->transform(output->state, transform);
}
bool wlr_output_set_cursor(struct wlr_output *output,
const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height) {
return output->impl->set_cursor(output->state, buf, stride, width, height);
}
bool wlr_output_move_cursor(struct wlr_output *output, int x, int y) {
return output->impl->move_cursor(output->state, x, y);
}
void wlr_output_destroy(struct wlr_output *output) {
if (!output) return;
output->impl->destroy(output->state);

26
types/wlr_pointer.c
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@ -0,0 +1,26 @@
#include <stdlib.h>
#include <string.h>
#include <wayland-server.h>
#include <wlr/types.h>
#include <wlr/common/list.h>
#include "types.h"
struct wlr_pointer *wlr_pointer_create(struct wlr_pointer_impl *impl,
struct wlr_pointer_state *state) {
struct wlr_pointer *pointer = calloc(1, sizeof(struct wlr_pointer));
pointer->impl = impl;
pointer->state = state;
wl_signal_init(&pointer->events.motion);
wl_signal_init(&pointer->events.motion_absolute);
wl_signal_init(&pointer->events.button);
wl_signal_init(&pointer->events.axis);
return pointer;
}
void wlr_pointer_destroy(struct wlr_pointer *pointer) {
if (!pointer) return;
if (pointer->impl) {
pointer->impl->destroy(pointer->state);
}
free(pointer);
}

26
types/wlr_tablet_tool.c
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@ -0,0 +1,26 @@
#include <stdlib.h>
#include <string.h>
#include <wayland-server.h>
#include <wlr/types.h>
#include <wlr/common/list.h>
#include "types.h"
struct wlr_tablet_tool *wlr_tablet_tool_create(struct wlr_tablet_tool_impl *impl,
struct wlr_tablet_tool_state *state) {
struct wlr_tablet_tool *tool = calloc(1, sizeof(struct wlr_tablet_tool));
tool->impl = impl;
tool->state = state;
wl_signal_init(&tool->events.axis);
wl_signal_init(&tool->events.proximity);
wl_signal_init(&tool->events.tip);
wl_signal_init(&tool->events.button);
return tool;
}
void wlr_tablet_tool_destroy(struct wlr_tablet_tool *tool) {
if (!tool) return;
if (tool->impl) {
tool->impl->destroy(tool->state);
}
free(tool);
}

26
types/wlr_touch.c
Unescape View File

@ -0,0 +1,26 @@
#include <stdlib.h>
#include <string.h>
#include <wayland-server.h>
#include <wlr/types.h>
#include <wlr/common/list.h>
#include "types.h"
struct wlr_touch *wlr_touch_create(struct wlr_touch_impl *impl,
struct wlr_touch_state *state) {
struct wlr_touch *touch = calloc(1, sizeof(struct wlr_touch));
touch->impl = impl;
touch->state = state;
wl_signal_init(&touch->events.down);
wl_signal_init(&touch->events.up);
wl_signal_init(&touch->events.motion);
wl_signal_init(&touch->events.cancel);
return touch;
}
void wlr_touch_destroy(struct wlr_touch *touch) {
if (!touch) return;
if (touch->impl) {
touch->impl->destroy(touch->state);
}
free(touch);
}
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