//======================================================================== // GLFW 3.3 Wayland - www.glfw.org //------------------------------------------------------------------------ // Copyright (c) 2014 Jonas Ådahl // // This software is provided 'as-is', without any express or implied // warranty. In no event will the authors be held liable for any damages // arising from the use of this software. // // Permission is granted to anyone to use this software for any purpose, // including commercial applications, and to alter it and redistribute it // freely, subject to the following restrictions: // // 1. The origin of this software must not be misrepresented; you must not // claim that you wrote the original software. If you use this software // in a product, an acknowledgment in the product documentation would // be appreciated but is not required. // // 2. Altered source versions must be plainly marked as such, and must not // be misrepresented as being the original software. // // 3. This notice may not be removed or altered from any source // distribution. // //======================================================================== // It is fine to use C99 in this file because it will not be built with VS //======================================================================== #define _GNU_SOURCE #include "internal.h" #include #include #include #include #include #include #include #include #include #include #include #include static void shellSurfaceHandlePing(void* data, struct wl_shell_surface* shellSurface, uint32_t serial) { wl_shell_surface_pong(shellSurface, serial); } static void shellSurfaceHandleConfigure(void* data, struct wl_shell_surface* shellSurface, uint32_t edges, int32_t width, int32_t height) { _GLFWwindow* window = data; float aspectRatio; float targetRatio; if (!window->monitor) { if (_glfw.wl.viewporter && window->decorated) { width -= _GLFW_DECORATION_HORIZONTAL; height -= _GLFW_DECORATION_VERTICAL; } if (width < 1) width = 1; if (height < 1) height = 1; if (window->numer != GLFW_DONT_CARE && window->denom != GLFW_DONT_CARE) { aspectRatio = (float)width / (float)height; targetRatio = (float)window->numer / (float)window->denom; if (aspectRatio < targetRatio) height = width / targetRatio; else if (aspectRatio > targetRatio) width = height * targetRatio; } if (window->minwidth != GLFW_DONT_CARE && width < window->minwidth) width = window->minwidth; else if (window->maxwidth != GLFW_DONT_CARE && width > window->maxwidth) width = window->maxwidth; if (window->minheight != GLFW_DONT_CARE && height < window->minheight) height = window->minheight; else if (window->maxheight != GLFW_DONT_CARE && height > window->maxheight) height = window->maxheight; } _glfwInputWindowSize(window, width, height); _glfwPlatformSetWindowSize(window, width, height); _glfwInputWindowDamage(window); } static void shellSurfaceHandlePopupDone(void* data, struct wl_shell_surface* shellSurface) { } static const struct wl_shell_surface_listener shellSurfaceListener = { shellSurfaceHandlePing, shellSurfaceHandleConfigure, shellSurfaceHandlePopupDone }; static int createTmpfileCloexec(char* tmpname) { int fd; fd = mkostemp(tmpname, O_CLOEXEC); if (fd >= 0) unlink(tmpname); return fd; } /* * Create a new, unique, anonymous file of the given size, and * return the file descriptor for it. The file descriptor is set * CLOEXEC. The file is immediately suitable for mmap()'ing * the given size at offset zero. * * The file should not have a permanent backing store like a disk, * but may have if XDG_RUNTIME_DIR is not properly implemented in OS. * * The file name is deleted from the file system. * * The file is suitable for buffer sharing between processes by * transmitting the file descriptor over Unix sockets using the * SCM_RIGHTS methods. * * posix_fallocate() is used to guarantee that disk space is available * for the file at the given size. If disk space is insufficient, errno * is set to ENOSPC. If posix_fallocate() is not supported, program may * receive SIGBUS on accessing mmap()'ed file contents instead. */ static int createAnonymousFile(off_t size) { static const char template[] = "/glfw-shared-XXXXXX"; const char* path; char* name; int fd; int ret; #ifdef HAVE_MEMFD_CREATE fd = memfd_create("glfw-shared", MFD_CLOEXEC | MFD_ALLOW_SEALING); if (fd >= 0) { // We can add this seal before calling posix_fallocate(), as the file // is currently zero-sized anyway. // // There is also no need to check for the return value, we couldn’t do // anything with it anyway. fcntl(fd, F_ADD_SEALS, F_SEAL_SHRINK | F_SEAL_SEAL); } else #elif defined(SHM_ANON) fd = shm_open(SHM_ANON, O_RDWR | O_CLOEXEC, 0600); if (fd < 0) #endif { path = getenv("XDG_RUNTIME_DIR"); if (!path) { errno = ENOENT; return -1; } name = calloc(strlen(path) + sizeof(template), 1); strcpy(name, path); strcat(name, template); fd = createTmpfileCloexec(name); free(name); if (fd < 0) return -1; } #if defined(SHM_ANON) // posix_fallocate does not work on SHM descriptors ret = ftruncate(fd, size); #else ret = posix_fallocate(fd, 0, size); #endif if (ret != 0) { close(fd); errno = ret; return -1; } return fd; } static struct wl_buffer* createShmBuffer(const GLFWimage* image) { struct wl_shm_pool* pool; struct wl_buffer* buffer; int stride = image->width * 4; int length = image->width * image->height * 4; void* data; int fd, i; fd = createAnonymousFile(length); if (fd < 0) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Failed to create buffer file of size %d: %s", length, strerror(errno)); return NULL; } data = mmap(NULL, length, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); if (data == MAP_FAILED) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Failed to map file: %s", strerror(errno)); close(fd); return NULL; } pool = wl_shm_create_pool(_glfw.wl.shm, fd, length); close(fd); unsigned char* source = (unsigned char*) image->pixels; unsigned char* target = data; for (i = 0; i < image->width * image->height; i++, source += 4) { unsigned int alpha = source[3]; *target++ = (unsigned char) ((source[2] * alpha) / 255); *target++ = (unsigned char) ((source[1] * alpha) / 255); *target++ = (unsigned char) ((source[0] * alpha) / 255); *target++ = (unsigned char) alpha; } buffer = wl_shm_pool_create_buffer(pool, 0, image->width, image->height, stride, WL_SHM_FORMAT_ARGB8888); munmap(data, length); wl_shm_pool_destroy(pool); return buffer; } // Wait for data to arrive on any of the specified file descriptors // static GLFWbool waitForData(struct pollfd* fds, nfds_t count, double* timeout) { for (;;) { if (timeout) { const uint64_t base = _glfwPlatformGetTimerValue(); #if defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__CYGWIN__) const time_t seconds = (time_t) *timeout; const long nanoseconds = (long) ((*timeout - seconds) * 1e9); const struct timespec ts = { seconds, nanoseconds }; const int result = ppoll(fds, count, &ts, NULL); #elif defined(__NetBSD__) const time_t seconds = (time_t) *timeout; const long nanoseconds = (long) ((*timeout - seconds) * 1e9); const struct timespec ts = { seconds, nanoseconds }; const int result = pollts(fds, count, &ts, NULL); #else const int milliseconds = (int) (*timeout * 1e3); const int result = poll(fds, count, milliseconds); #endif const int error = errno; // clock_gettime may overwrite our error *timeout -= (_glfwPlatformGetTimerValue() - base) / (double) _glfwPlatformGetTimerFrequency(); if (result > 0) return GLFW_TRUE; else if (result == -1 && error != EINTR && error != EAGAIN) return GLFW_FALSE; else if (*timeout <= 0.0) return GLFW_FALSE; } else { const int result = poll(fds, count, -1); if (result > 0) return GLFW_TRUE; else if (result == -1 && errno != EINTR && errno != EAGAIN) return GLFW_FALSE; } } } static void createDecoration(_GLFWdecorationWayland* decoration, struct wl_surface* parent, struct wl_buffer* buffer, GLFWbool opaque, int x, int y, int width, int height) { struct wl_region* region; decoration->surface = wl_compositor_create_surface(_glfw.wl.compositor); decoration->subsurface = wl_subcompositor_get_subsurface(_glfw.wl.subcompositor, decoration->surface, parent); wl_subsurface_set_position(decoration->subsurface, x, y); decoration->viewport = wp_viewporter_get_viewport(_glfw.wl.viewporter, decoration->surface); wp_viewport_set_destination(decoration->viewport, width, height); wl_surface_attach(decoration->surface, buffer, 0, 0); if (opaque) { region = wl_compositor_create_region(_glfw.wl.compositor); wl_region_add(region, 0, 0, width, height); wl_surface_set_opaque_region(decoration->surface, region); wl_surface_commit(decoration->surface); wl_region_destroy(region); } else wl_surface_commit(decoration->surface); } static void createDecorations(_GLFWwindow* window) { unsigned char data[] = { 224, 224, 224, 255 }; const GLFWimage image = { 1, 1, data }; GLFWbool opaque = (data[3] == 255); if (!_glfw.wl.viewporter || !window->decorated || window->wl.decorations.serverSide) return; if (!window->wl.decorations.buffer) window->wl.decorations.buffer = createShmBuffer(&image); if (!window->wl.decorations.buffer) return; createDecoration(&window->wl.decorations.top, window->wl.surface, window->wl.decorations.buffer, opaque, 0, -_GLFW_DECORATION_TOP, window->wl.width, _GLFW_DECORATION_TOP); createDecoration(&window->wl.decorations.left, window->wl.surface, window->wl.decorations.buffer, opaque, -_GLFW_DECORATION_WIDTH, -_GLFW_DECORATION_TOP, _GLFW_DECORATION_WIDTH, window->wl.height + _GLFW_DECORATION_TOP); createDecoration(&window->wl.decorations.right, window->wl.surface, window->wl.decorations.buffer, opaque, window->wl.width, -_GLFW_DECORATION_TOP, _GLFW_DECORATION_WIDTH, window->wl.height + _GLFW_DECORATION_TOP); createDecoration(&window->wl.decorations.bottom, window->wl.surface, window->wl.decorations.buffer, opaque, -_GLFW_DECORATION_WIDTH, window->wl.height, window->wl.width + _GLFW_DECORATION_HORIZONTAL, _GLFW_DECORATION_WIDTH); } static void destroyDecoration(_GLFWdecorationWayland* decoration) { if (decoration->subsurface) wl_subsurface_destroy(decoration->subsurface); if (decoration->surface) wl_surface_destroy(decoration->surface); if (decoration->viewport) wp_viewport_destroy(decoration->viewport); decoration->surface = NULL; decoration->subsurface = NULL; decoration->viewport = NULL; } static void destroyDecorations(_GLFWwindow* window) { destroyDecoration(&window->wl.decorations.top); destroyDecoration(&window->wl.decorations.left); destroyDecoration(&window->wl.decorations.right); destroyDecoration(&window->wl.decorations.bottom); } static void xdgDecorationHandleConfigure(void* userData, struct zxdg_toplevel_decoration_v1* decoration, uint32_t mode) { _GLFWwindow* window = userData; window->wl.decorations.serverSide = (mode == ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE); if (!window->wl.decorations.serverSide) createDecorations(window); } static const struct zxdg_toplevel_decoration_v1_listener xdgDecorationListener = { xdgDecorationHandleConfigure, }; // Makes the surface considered as XRGB instead of ARGB. static void setOpaqueRegion(_GLFWwindow* window) { struct wl_region* region; region = wl_compositor_create_region(_glfw.wl.compositor); if (!region) return; wl_region_add(region, 0, 0, window->wl.width, window->wl.height); wl_surface_set_opaque_region(window->wl.surface, region); wl_surface_commit(window->wl.surface); wl_region_destroy(region); } static void resizeWindow(_GLFWwindow* window) { int scale = window->wl.scale; int scaledWidth = window->wl.width * scale; int scaledHeight = window->wl.height * scale; wl_egl_window_resize(window->wl.native, scaledWidth, scaledHeight, 0, 0); if (!window->wl.transparent) setOpaqueRegion(window); _glfwInputFramebufferSize(window, scaledWidth, scaledHeight); _glfwInputWindowContentScale(window, scale, scale); if (!window->wl.decorations.top.surface) return; // Top decoration. wp_viewport_set_destination(window->wl.decorations.top.viewport, window->wl.width, _GLFW_DECORATION_TOP); wl_surface_commit(window->wl.decorations.top.surface); // Left decoration. wp_viewport_set_destination(window->wl.decorations.left.viewport, _GLFW_DECORATION_WIDTH, window->wl.height + _GLFW_DECORATION_TOP); wl_surface_commit(window->wl.decorations.left.surface); // Right decoration. wl_subsurface_set_position(window->wl.decorations.right.subsurface, window->wl.width, -_GLFW_DECORATION_TOP); wp_viewport_set_destination(window->wl.decorations.right.viewport, _GLFW_DECORATION_WIDTH, window->wl.height + _GLFW_DECORATION_TOP); wl_surface_commit(window->wl.decorations.right.surface); // Bottom decoration. wl_subsurface_set_position(window->wl.decorations.bottom.subsurface, -_GLFW_DECORATION_WIDTH, window->wl.height); wp_viewport_set_destination(window->wl.decorations.bottom.viewport, window->wl.width + _GLFW_DECORATION_HORIZONTAL, _GLFW_DECORATION_WIDTH); wl_surface_commit(window->wl.decorations.bottom.surface); } static void checkScaleChange(_GLFWwindow* window) { // Check if we will be able to set the buffer scale or not. if (_glfw.wl.compositorVersion < 3) return; // Get the scale factor from the highest scale monitor. int maxScale = 1; for (int i = 0; i < window->wl.monitorsCount; i++) maxScale = _glfw_max(window->wl.monitors[i]->wl.scale, maxScale); // Only change the framebuffer size if the scale changed. if (window->wl.scale != maxScale) { window->wl.scale = maxScale; wl_surface_set_buffer_scale(window->wl.surface, maxScale); resizeWindow(window); } } static void surfaceHandleEnter(void* userData, struct wl_surface* surface, struct wl_output* output) { _GLFWwindow* window = userData; _GLFWmonitor* monitor = wl_output_get_user_data(output); if (window->wl.monitorsCount + 1 > window->wl.monitorsSize) { ++window->wl.monitorsSize; window->wl.monitors = realloc(window->wl.monitors, window->wl.monitorsSize * sizeof(_GLFWmonitor*)); } window->wl.monitors[window->wl.monitorsCount++] = monitor; checkScaleChange(window); } static void surfaceHandleLeave(void* userData, struct wl_surface* surface, struct wl_output* output) { _GLFWwindow* window = userData; _GLFWmonitor* monitor = wl_output_get_user_data(output); GLFWbool found; int i; for (i = 0, found = GLFW_FALSE; i < window->wl.monitorsCount - 1; ++i) { if (monitor == window->wl.monitors[i]) found = GLFW_TRUE; if (found) window->wl.monitors[i] = window->wl.monitors[i + 1]; } window->wl.monitors[--window->wl.monitorsCount] = NULL; checkScaleChange(window); } static const struct wl_surface_listener surfaceListener = { surfaceHandleEnter, surfaceHandleLeave }; static void setIdleInhibitor(_GLFWwindow* window, GLFWbool enable) { if (enable && !window->wl.idleInhibitor && _glfw.wl.idleInhibitManager) { window->wl.idleInhibitor = zwp_idle_inhibit_manager_v1_create_inhibitor( _glfw.wl.idleInhibitManager, window->wl.surface); if (!window->wl.idleInhibitor) _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Failed to create idle inhibitor"); } else if (!enable && window->wl.idleInhibitor) { zwp_idle_inhibitor_v1_destroy(window->wl.idleInhibitor); window->wl.idleInhibitor = NULL; } } static void setFullscreen(_GLFWwindow* window, _GLFWmonitor* monitor, int refreshRate) { if (window->wl.xdg.toplevel) { xdg_toplevel_set_fullscreen( window->wl.xdg.toplevel, monitor->wl.output); } else if (window->wl.shellSurface) { wl_shell_surface_set_fullscreen( window->wl.shellSurface, WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT, refreshRate * 1000, // Convert Hz to mHz. monitor->wl.output); } setIdleInhibitor(window, GLFW_TRUE); if (!window->wl.decorations.serverSide) destroyDecorations(window); } static GLFWbool createShellSurface(_GLFWwindow* window) { if (!_glfw.wl.shell) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: wl_shell protocol not available"); return GLFW_FALSE; } window->wl.shellSurface = wl_shell_get_shell_surface(_glfw.wl.shell, window->wl.surface); if (!window->wl.shellSurface) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Shell surface creation failed"); return GLFW_FALSE; } wl_shell_surface_add_listener(window->wl.shellSurface, &shellSurfaceListener, window); if (window->wl.title) wl_shell_surface_set_title(window->wl.shellSurface, window->wl.title); if (window->monitor) { setFullscreen(window, window->monitor, 0); } else if (window->wl.maximized) { wl_shell_surface_set_maximized(window->wl.shellSurface, NULL); setIdleInhibitor(window, GLFW_FALSE); createDecorations(window); } else { wl_shell_surface_set_toplevel(window->wl.shellSurface); setIdleInhibitor(window, GLFW_FALSE); createDecorations(window); } wl_surface_commit(window->wl.surface); return GLFW_TRUE; } static void xdgToplevelHandleConfigure(void* userData, struct xdg_toplevel* toplevel, int32_t width, int32_t height, struct wl_array* states) { _GLFWwindow* window = userData; float aspectRatio; float targetRatio; uint32_t* state; GLFWbool maximized = GLFW_FALSE; GLFWbool fullscreen = GLFW_FALSE; GLFWbool activated = GLFW_FALSE; wl_array_for_each(state, states) { switch (*state) { case XDG_TOPLEVEL_STATE_MAXIMIZED: maximized = GLFW_TRUE; break; case XDG_TOPLEVEL_STATE_FULLSCREEN: fullscreen = GLFW_TRUE; break; case XDG_TOPLEVEL_STATE_RESIZING: break; case XDG_TOPLEVEL_STATE_ACTIVATED: activated = GLFW_TRUE; break; } } if (width != 0 && height != 0) { if (!maximized && !fullscreen) { if (window->numer != GLFW_DONT_CARE && window->denom != GLFW_DONT_CARE) { aspectRatio = (float)width / (float)height; targetRatio = (float)window->numer / (float)window->denom; if (aspectRatio < targetRatio) height = width / targetRatio; else if (aspectRatio > targetRatio) width = height * targetRatio; } } _glfwInputWindowSize(window, width, height); _glfwPlatformSetWindowSize(window, width, height); _glfwInputWindowDamage(window); } if (window->wl.wasFullscreen && window->autoIconify) { if (!activated || !fullscreen) { _glfwPlatformIconifyWindow(window); window->wl.wasFullscreen = GLFW_FALSE; } } if (fullscreen && activated) window->wl.wasFullscreen = GLFW_TRUE; } static void xdgToplevelHandleClose(void* userData, struct xdg_toplevel* toplevel) { _GLFWwindow* window = userData; _glfwInputWindowCloseRequest(window); } static const struct xdg_toplevel_listener xdgToplevelListener = { xdgToplevelHandleConfigure, xdgToplevelHandleClose }; static void xdgSurfaceHandleConfigure(void* userData, struct xdg_surface* surface, uint32_t serial) { xdg_surface_ack_configure(surface, serial); } static const struct xdg_surface_listener xdgSurfaceListener = { xdgSurfaceHandleConfigure }; static void setXdgDecorations(_GLFWwindow* window) { if (_glfw.wl.decorationManager) { window->wl.xdg.decoration = zxdg_decoration_manager_v1_get_toplevel_decoration( _glfw.wl.decorationManager, window->wl.xdg.toplevel); zxdg_toplevel_decoration_v1_add_listener(window->wl.xdg.decoration, &xdgDecorationListener, window); zxdg_toplevel_decoration_v1_set_mode( window->wl.xdg.decoration, ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE); } else { window->wl.decorations.serverSide = GLFW_FALSE; createDecorations(window); } } static GLFWbool createXdgSurface(_GLFWwindow* window) { window->wl.xdg.surface = xdg_wm_base_get_xdg_surface(_glfw.wl.wmBase, window->wl.surface); if (!window->wl.xdg.surface) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Failed to create xdg-surface for window"); return GLFW_FALSE; } xdg_surface_add_listener(window->wl.xdg.surface, &xdgSurfaceListener, window); window->wl.xdg.toplevel = xdg_surface_get_toplevel(window->wl.xdg.surface); if (!window->wl.xdg.toplevel) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Failed to create xdg-toplevel for window"); return GLFW_FALSE; } xdg_toplevel_add_listener(window->wl.xdg.toplevel, &xdgToplevelListener, window); if (window->wl.title) xdg_toplevel_set_title(window->wl.xdg.toplevel, window->wl.title); if (window->minwidth != GLFW_DONT_CARE && window->minheight != GLFW_DONT_CARE) xdg_toplevel_set_min_size(window->wl.xdg.toplevel, window->minwidth, window->minheight); if (window->maxwidth != GLFW_DONT_CARE && window->maxheight != GLFW_DONT_CARE) xdg_toplevel_set_max_size(window->wl.xdg.toplevel, window->maxwidth, window->maxheight); if (window->monitor) { xdg_toplevel_set_fullscreen(window->wl.xdg.toplevel, window->monitor->wl.output); setIdleInhibitor(window, GLFW_TRUE); } else if (window->wl.maximized) { xdg_toplevel_set_maximized(window->wl.xdg.toplevel); setIdleInhibitor(window, GLFW_FALSE); setXdgDecorations(window); } else { setIdleInhibitor(window, GLFW_FALSE); setXdgDecorations(window); } wl_surface_commit(window->wl.surface); wl_display_roundtrip(_glfw.wl.display); return GLFW_TRUE; } static GLFWbool createSurface(_GLFWwindow* window, const _GLFWwndconfig* wndconfig, const _GLFWfbconfig* fbconfig) { window->wl.surface = wl_compositor_create_surface(_glfw.wl.compositor); if (!window->wl.surface) return GLFW_FALSE; wl_surface_add_listener(window->wl.surface, &surfaceListener, window); wl_surface_set_user_data(window->wl.surface, window); window->wl.native = wl_egl_window_create(window->wl.surface, wndconfig->width, wndconfig->height); if (!window->wl.native) return GLFW_FALSE; window->wl.width = wndconfig->width; window->wl.height = wndconfig->height; window->wl.scale = 1; window->wl.title = _glfw_strdup(wndconfig->title); window->wl.transparent = fbconfig->transparent; if (!window->wl.transparent) setOpaqueRegion(window); if (window->monitor || wndconfig->visible) { if (!createXdgSurface(window)) return GLFW_FALSE; window->wl.visible = GLFW_TRUE; } return GLFW_TRUE; } static void setCursorImage(_GLFWwindow* window, _GLFWcursorWayland* cursorWayland) { struct itimerspec timer = {}; struct wl_cursor* wlCursor = cursorWayland->cursor; struct wl_cursor_image* image; struct wl_buffer* buffer; struct wl_surface* surface = _glfw.wl.cursorSurface; int scale = 1; if (!wlCursor) buffer = cursorWayland->buffer; else { if (window->wl.scale > 1 && cursorWayland->cursorHiDPI) { wlCursor = cursorWayland->cursorHiDPI; scale = 2; } image = wlCursor->images[cursorWayland->currentImage]; buffer = wl_cursor_image_get_buffer(image); if (!buffer) return; timer.it_value.tv_sec = image->delay / 1000; timer.it_value.tv_nsec = (image->delay % 1000) * 1000000; timerfd_settime(_glfw.wl.cursorTimerfd, 0, &timer, NULL); cursorWayland->width = image->width; cursorWayland->height = image->height; cursorWayland->xhot = image->hotspot_x; cursorWayland->yhot = image->hotspot_y; } wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.pointerEnterSerial, surface, cursorWayland->xhot / scale, cursorWayland->yhot / scale); wl_surface_set_buffer_scale(surface, scale); wl_surface_attach(surface, buffer, 0, 0); wl_surface_damage(surface, 0, 0, cursorWayland->width, cursorWayland->height); wl_surface_commit(surface); } static void incrementCursorImage(_GLFWwindow* window) { _GLFWcursor* cursor; if (!window || window->wl.decorations.focus != mainWindow) return; cursor = window->wl.currentCursor; if (cursor && cursor->wl.cursor) { cursor->wl.currentImage += 1; cursor->wl.currentImage %= cursor->wl.cursor->image_count; setCursorImage(window, &cursor->wl); } } static GLFWbool flushDisplay(void) { while (wl_display_flush(_glfw.wl.display) == -1) { if (errno != EAGAIN) return GLFW_FALSE; struct pollfd fd = { wl_display_get_fd(_glfw.wl.display), POLLOUT }; while (poll(&fd, 1, -1) == -1) { if (errno != EINTR && errno != EAGAIN) return GLFW_FALSE; } } return GLFW_TRUE; } static void handleEvents(double* timeout) { GLFWbool event = GLFW_FALSE; struct pollfd fds[] = { { wl_display_get_fd(_glfw.wl.display), POLLIN }, { _glfw.wl.timerfd, POLLIN }, { _glfw.wl.cursorTimerfd, POLLIN }, }; while (!event) { while (wl_display_prepare_read(_glfw.wl.display) != 0) wl_display_dispatch_pending(_glfw.wl.display); // If an error other than EAGAIN happens, we have likely been disconnected // from the Wayland session; try to handle that the best we can. if (!flushDisplay()) { wl_display_cancel_read(_glfw.wl.display); _GLFWwindow* window = _glfw.windowListHead; while (window) { _glfwInputWindowCloseRequest(window); window = window->next; } return; } if (!waitForData(fds, 3, timeout)) { wl_display_cancel_read(_glfw.wl.display); return; } if (fds[0].revents & POLLIN) { wl_display_read_events(_glfw.wl.display); if (wl_display_dispatch_pending(_glfw.wl.display) > 0) event = GLFW_TRUE; } else wl_display_cancel_read(_glfw.wl.display); if (fds[1].revents & POLLIN) { uint64_t repeats; if (read(_glfw.wl.timerfd, &repeats, sizeof(repeats)) == 8) { for (uint64_t i = 0; i < repeats; i++) { _glfwInputKey(_glfw.wl.keyboardFocus, _glfw.wl.keyboardLastKey, _glfw.wl.keyboardLastScancode, GLFW_PRESS, _glfw.wl.xkb.modifiers); _glfwInputTextWayland(_glfw.wl.keyboardFocus, _glfw.wl.keyboardLastScancode); } event = GLFW_TRUE; } } if (fds[2].revents & POLLIN) { uint64_t repeats; if (read(_glfw.wl.cursorTimerfd, &repeats, sizeof(repeats)) == 8) { incrementCursorImage(_glfw.wl.pointerFocus); event = GLFW_TRUE; } } } } static _GLFWwindow* findWindowFromDecorationSurface(struct wl_surface* surface, int* which) { int focus; _GLFWwindow* window = _glfw.windowListHead; if (!which) which = &focus; while (window) { if (surface == window->wl.decorations.top.surface) { *which = topDecoration; break; } if (surface == window->wl.decorations.left.surface) { *which = leftDecoration; break; } if (surface == window->wl.decorations.right.surface) { *which = rightDecoration; break; } if (surface == window->wl.decorations.bottom.surface) { *which = bottomDecoration; break; } window = window->next; } return window; } static void pointerHandleEnter(void* userData, struct wl_pointer* pointer, uint32_t serial, struct wl_surface* surface, wl_fixed_t sx, wl_fixed_t sy) { // Happens in the case we just destroyed the surface. if (!surface) return; int focus = 0; _GLFWwindow* window = wl_surface_get_user_data(surface); if (!window) { window = findWindowFromDecorationSurface(surface, &focus); if (!window) return; } window->wl.decorations.focus = focus; _glfw.wl.serial = serial; _glfw.wl.pointerEnterSerial = serial; _glfw.wl.pointerFocus = window; window->wl.hovered = GLFW_TRUE; _glfwPlatformSetCursor(window, window->wl.currentCursor); _glfwInputCursorEnter(window, GLFW_TRUE); } static void pointerHandleLeave(void* userData, struct wl_pointer* pointer, uint32_t serial, struct wl_surface* surface) { _GLFWwindow* window = _glfw.wl.pointerFocus; if (!window) return; window->wl.hovered = GLFW_FALSE; _glfw.wl.serial = serial; _glfw.wl.pointerFocus = NULL; _glfwInputCursorEnter(window, GLFW_FALSE); _glfw.wl.cursorPreviousName = NULL; } static void setCursor(_GLFWwindow* window, const char* name) { struct wl_buffer* buffer; struct wl_cursor* cursor; struct wl_cursor_image* image; struct wl_surface* surface = _glfw.wl.cursorSurface; struct wl_cursor_theme* theme = _glfw.wl.cursorTheme; int scale = 1; if (window->wl.scale > 1 && _glfw.wl.cursorThemeHiDPI) { // We only support up to scale=2 for now, since libwayland-cursor // requires us to load a different theme for each size. scale = 2; theme = _glfw.wl.cursorThemeHiDPI; } cursor = wl_cursor_theme_get_cursor(theme, name); if (!cursor) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Standard cursor shape unavailable"); return; } // TODO: handle animated cursors too. image = cursor->images[0]; if (!image) return; buffer = wl_cursor_image_get_buffer(image); if (!buffer) return; wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.pointerEnterSerial, surface, image->hotspot_x / scale, image->hotspot_y / scale); wl_surface_set_buffer_scale(surface, scale); wl_surface_attach(surface, buffer, 0, 0); wl_surface_damage(surface, 0, 0, image->width, image->height); wl_surface_commit(surface); _glfw.wl.cursorPreviousName = name; } static void pointerHandleMotion(void* userData, struct wl_pointer* pointer, uint32_t time, wl_fixed_t sx, wl_fixed_t sy) { _GLFWwindow* window = _glfw.wl.pointerFocus; const char* cursorName = NULL; double x, y; if (!window) return; if (window->cursorMode == GLFW_CURSOR_DISABLED) return; x = wl_fixed_to_double(sx); y = wl_fixed_to_double(sy); window->wl.cursorPosX = x; window->wl.cursorPosY = y; switch (window->wl.decorations.focus) { case mainWindow: _glfwInputCursorPos(window, x, y); _glfw.wl.cursorPreviousName = NULL; return; case topDecoration: if (y < _GLFW_DECORATION_WIDTH) cursorName = "n-resize"; else cursorName = "left_ptr"; break; case leftDecoration: if (y < _GLFW_DECORATION_WIDTH) cursorName = "nw-resize"; else cursorName = "w-resize"; break; case rightDecoration: if (y < _GLFW_DECORATION_WIDTH) cursorName = "ne-resize"; else cursorName = "e-resize"; break; case bottomDecoration: if (x < _GLFW_DECORATION_WIDTH) cursorName = "sw-resize"; else if (x > window->wl.width + _GLFW_DECORATION_WIDTH) cursorName = "se-resize"; else cursorName = "s-resize"; break; default: assert(0); } if (_glfw.wl.cursorPreviousName != cursorName) setCursor(window, cursorName); } static void pointerHandleButton(void* userData, struct wl_pointer* pointer, uint32_t serial, uint32_t time, uint32_t button, uint32_t state) { _GLFWwindow* window = _glfw.wl.pointerFocus; int glfwButton; // Both xdg-shell and wl_shell use the same values. uint32_t edges = WL_SHELL_SURFACE_RESIZE_NONE; if (!window) return; if (button == BTN_LEFT) { switch (window->wl.decorations.focus) { case mainWindow: break; case topDecoration: if (window->wl.cursorPosY < _GLFW_DECORATION_WIDTH) edges = WL_SHELL_SURFACE_RESIZE_TOP; else { if (window->wl.xdg.toplevel) xdg_toplevel_move(window->wl.xdg.toplevel, _glfw.wl.seat, serial); else wl_shell_surface_move(window->wl.shellSurface, _glfw.wl.seat, serial); } break; case leftDecoration: if (window->wl.cursorPosY < _GLFW_DECORATION_WIDTH) edges = WL_SHELL_SURFACE_RESIZE_TOP_LEFT; else edges = WL_SHELL_SURFACE_RESIZE_LEFT; break; case rightDecoration: if (window->wl.cursorPosY < _GLFW_DECORATION_WIDTH) edges = WL_SHELL_SURFACE_RESIZE_TOP_RIGHT; else edges = WL_SHELL_SURFACE_RESIZE_RIGHT; break; case bottomDecoration: if (window->wl.cursorPosX < _GLFW_DECORATION_WIDTH) edges = WL_SHELL_SURFACE_RESIZE_BOTTOM_LEFT; else if (window->wl.cursorPosX > window->wl.width + _GLFW_DECORATION_WIDTH) edges = WL_SHELL_SURFACE_RESIZE_BOTTOM_RIGHT; else edges = WL_SHELL_SURFACE_RESIZE_BOTTOM; break; default: assert(0); } if (edges != WL_SHELL_SURFACE_RESIZE_NONE) { if (window->wl.xdg.toplevel) xdg_toplevel_resize(window->wl.xdg.toplevel, _glfw.wl.seat, serial, edges); else wl_shell_surface_resize(window->wl.shellSurface, _glfw.wl.seat, serial, edges); return; } } else if (button == BTN_RIGHT) { if (window->wl.decorations.focus != mainWindow && window->wl.xdg.toplevel) { xdg_toplevel_show_window_menu(window->wl.xdg.toplevel, _glfw.wl.seat, serial, window->wl.cursorPosX, window->wl.cursorPosY); return; } } // Don’t pass the button to the user if it was related to a decoration. if (window->wl.decorations.focus != mainWindow) return; _glfw.wl.serial = serial; /* Makes left, right and middle 0, 1 and 2. Overall order follows evdev * codes. */ glfwButton = button - BTN_LEFT; _glfwInputMouseClick(window, glfwButton, state == WL_POINTER_BUTTON_STATE_PRESSED ? GLFW_PRESS : GLFW_RELEASE, _glfw.wl.xkb.modifiers); } static void pointerHandleAxis(void* userData, struct wl_pointer* pointer, uint32_t time, uint32_t axis, wl_fixed_t value) { _GLFWwindow* window = _glfw.wl.pointerFocus; double x = 0.0, y = 0.0; // Wayland scroll events are in pointer motion coordinate space (think two // finger scroll). The factor 10 is commonly used to convert to "scroll // step means 1.0. const double scrollFactor = 1.0 / 10.0; if (!window) return; assert(axis == WL_POINTER_AXIS_HORIZONTAL_SCROLL || axis == WL_POINTER_AXIS_VERTICAL_SCROLL); if (axis == WL_POINTER_AXIS_HORIZONTAL_SCROLL) x = -wl_fixed_to_double(value) * scrollFactor; else if (axis == WL_POINTER_AXIS_VERTICAL_SCROLL) y = -wl_fixed_to_double(value) * scrollFactor; _glfwInputScroll(window, x, y); } static const struct wl_pointer_listener pointerListener = { pointerHandleEnter, pointerHandleLeave, pointerHandleMotion, pointerHandleButton, pointerHandleAxis, }; static void keyboardHandleKeymap(void* userData, struct wl_keyboard* keyboard, uint32_t format, int fd, uint32_t size) { struct xkb_keymap* keymap; struct xkb_state* state; struct xkb_compose_table* composeTable; struct xkb_compose_state* composeState; char* mapStr; const char* locale; if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1) { close(fd); return; } mapStr = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0); if (mapStr == MAP_FAILED) { close(fd); return; } keymap = xkb_keymap_new_from_string(_glfw.wl.xkb.context, mapStr, XKB_KEYMAP_FORMAT_TEXT_V1, 0); munmap(mapStr, size); close(fd); if (!keymap) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Failed to compile keymap"); return; } state = xkb_state_new(keymap); if (!state) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Failed to create XKB state"); xkb_keymap_unref(keymap); return; } // Look up the preferred locale, falling back to "C" as default. locale = getenv("LC_ALL"); if (!locale) locale = getenv("LC_CTYPE"); if (!locale) locale = getenv("LANG"); if (!locale) locale = "C"; composeTable = xkb_compose_table_new_from_locale(_glfw.wl.xkb.context, locale, XKB_COMPOSE_COMPILE_NO_FLAGS); if (composeTable) { composeState = xkb_compose_state_new(composeTable, XKB_COMPOSE_STATE_NO_FLAGS); xkb_compose_table_unref(composeTable); if (composeState) _glfw.wl.xkb.composeState = composeState; else _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Failed to create XKB compose state"); } else { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Failed to create XKB compose table"); } xkb_keymap_unref(_glfw.wl.xkb.keymap); xkb_state_unref(_glfw.wl.xkb.state); _glfw.wl.xkb.keymap = keymap; _glfw.wl.xkb.state = state; _glfw.wl.xkb.controlMask = 1 << xkb_keymap_mod_get_index(_glfw.wl.xkb.keymap, "Control"); _glfw.wl.xkb.altMask = 1 << xkb_keymap_mod_get_index(_glfw.wl.xkb.keymap, "Mod1"); _glfw.wl.xkb.shiftMask = 1 << xkb_keymap_mod_get_index(_glfw.wl.xkb.keymap, "Shift"); _glfw.wl.xkb.superMask = 1 << xkb_keymap_mod_get_index(_glfw.wl.xkb.keymap, "Mod4"); _glfw.wl.xkb.capsLockMask = 1 << xkb_keymap_mod_get_index(_glfw.wl.xkb.keymap, "Lock"); _glfw.wl.xkb.numLockMask = 1 << xkb_keymap_mod_get_index(_glfw.wl.xkb.keymap, "Mod2"); } static void keyboardHandleEnter(void* userData, struct wl_keyboard* keyboard, uint32_t serial, struct wl_surface* surface, struct wl_array* keys) { // Happens in the case we just destroyed the surface. if (!surface) return; _GLFWwindow* window = wl_surface_get_user_data(surface); if (!window) { window = findWindowFromDecorationSurface(surface, NULL); if (!window) return; } _glfw.wl.serial = serial; _glfw.wl.keyboardFocus = window; _glfwInputWindowFocus(window, GLFW_TRUE); } static void keyboardHandleLeave(void* userData, struct wl_keyboard* keyboard, uint32_t serial, struct wl_surface* surface) { _GLFWwindow* window = _glfw.wl.keyboardFocus; if (!window) return; struct itimerspec timer = {}; timerfd_settime(_glfw.wl.timerfd, 0, &timer, NULL); _glfw.wl.serial = serial; _glfw.wl.keyboardFocus = NULL; _glfwInputWindowFocus(window, GLFW_FALSE); } static int translateKey(uint32_t scancode) { if (scancode < sizeof(_glfw.wl.keycodes) / sizeof(_glfw.wl.keycodes[0])) return _glfw.wl.keycodes[scancode]; return GLFW_KEY_UNKNOWN; } static xkb_keysym_t composeSymbol(xkb_keysym_t sym) { if (sym == XKB_KEY_NoSymbol || !_glfw.wl.xkb.composeState) return sym; if (xkb_compose_state_feed(_glfw.wl.xkb.composeState, sym) != XKB_COMPOSE_FEED_ACCEPTED) return sym; switch (xkb_compose_state_get_status(_glfw.wl.xkb.composeState)) { case XKB_COMPOSE_COMPOSED: return xkb_compose_state_get_one_sym(_glfw.wl.xkb.composeState); case XKB_COMPOSE_COMPOSING: case XKB_COMPOSE_CANCELLED: return XKB_KEY_NoSymbol; case XKB_COMPOSE_NOTHING: default: return sym; } } GLFWbool _glfwInputTextWayland(_GLFWwindow* window, uint32_t scancode) { const xkb_keysym_t* keysyms; const xkb_keycode_t keycode = scancode + 8; if (xkb_state_key_get_syms(_glfw.wl.xkb.state, keycode, &keysyms) == 1) { const xkb_keysym_t keysym = composeSymbol(keysyms[0]); const uint32_t codepoint = _glfwKeySym2Unicode(keysym); if (codepoint != GLFW_INVALID_CODEPOINT) { const int mods = _glfw.wl.xkb.modifiers; const int plain = !(mods & (GLFW_MOD_CONTROL | GLFW_MOD_ALT)); _glfwInputChar(window, codepoint, mods, plain); } } return xkb_keymap_key_repeats(_glfw.wl.xkb.keymap, keycode); } static void keyboardHandleKey(void* userData, struct wl_keyboard* keyboard, uint32_t serial, uint32_t time, uint32_t scancode, uint32_t state) { _GLFWwindow* window = _glfw.wl.keyboardFocus; if (!window) return; const int key = translateKey(scancode); const int action = state == WL_KEYBOARD_KEY_STATE_PRESSED ? GLFW_PRESS : GLFW_RELEASE; _glfw.wl.serial = serial; _glfwInputKey(window, key, scancode, action, _glfw.wl.xkb.modifiers); struct itimerspec timer = {}; if (action == GLFW_PRESS) { const GLFWbool shouldRepeat = _glfwInputTextWayland(window, scancode); if (shouldRepeat && _glfw.wl.keyboardRepeatRate > 0) { _glfw.wl.keyboardLastKey = key; _glfw.wl.keyboardLastScancode = scancode; if (_glfw.wl.keyboardRepeatRate > 1) timer.it_interval.tv_nsec = 1000000000 / _glfw.wl.keyboardRepeatRate; else timer.it_interval.tv_sec = 1; timer.it_value.tv_sec = _glfw.wl.keyboardRepeatDelay / 1000; timer.it_value.tv_nsec = (_glfw.wl.keyboardRepeatDelay % 1000) * 1000000; } } timerfd_settime(_glfw.wl.timerfd, 0, &timer, NULL); } static void keyboardHandleModifiers(void* userData, struct wl_keyboard* keyboard, uint32_t serial, uint32_t modsDepressed, uint32_t modsLatched, uint32_t modsLocked, uint32_t group) { _glfw.wl.serial = serial; if (!_glfw.wl.xkb.keymap) return; xkb_state_update_mask(_glfw.wl.xkb.state, modsDepressed, modsLatched, modsLocked, 0, 0, group); const xkb_mod_mask_t mask = xkb_state_serialize_mods(_glfw.wl.xkb.state, XKB_STATE_MODS_DEPRESSED | XKB_STATE_LAYOUT_DEPRESSED | XKB_STATE_MODS_LATCHED | XKB_STATE_LAYOUT_LATCHED); unsigned int mods = 0; if (mask & _glfw.wl.xkb.controlMask) mods |= GLFW_MOD_CONTROL; if (mask & _glfw.wl.xkb.altMask) mods |= GLFW_MOD_ALT; if (mask & _glfw.wl.xkb.shiftMask) mods |= GLFW_MOD_SHIFT; if (mask & _glfw.wl.xkb.superMask) mods |= GLFW_MOD_SUPER; if (mask & _glfw.wl.xkb.capsLockMask) mods |= GLFW_MOD_CAPS_LOCK; if (mask & _glfw.wl.xkb.numLockMask) mods |= GLFW_MOD_NUM_LOCK; _glfw.wl.xkb.modifiers = mods; } #ifdef WL_KEYBOARD_REPEAT_INFO_SINCE_VERSION static void keyboardHandleRepeatInfo(void* userData, struct wl_keyboard* keyboard, int32_t rate, int32_t delay) { if (keyboard != _glfw.wl.keyboard) return; _glfw.wl.keyboardRepeatRate = rate; _glfw.wl.keyboardRepeatDelay = delay; } #endif static const struct wl_keyboard_listener keyboardListener = { keyboardHandleKeymap, keyboardHandleEnter, keyboardHandleLeave, keyboardHandleKey, keyboardHandleModifiers, #ifdef WL_KEYBOARD_REPEAT_INFO_SINCE_VERSION keyboardHandleRepeatInfo, #endif }; static void seatHandleCapabilities(void* userData, struct wl_seat* seat, enum wl_seat_capability caps) { if ((caps & WL_SEAT_CAPABILITY_POINTER) && !_glfw.wl.pointer) { _glfw.wl.pointer = wl_seat_get_pointer(seat); wl_pointer_add_listener(_glfw.wl.pointer, &pointerListener, NULL); } else if (!(caps & WL_SEAT_CAPABILITY_POINTER) && _glfw.wl.pointer) { wl_pointer_destroy(_glfw.wl.pointer); _glfw.wl.pointer = NULL; } if ((caps & WL_SEAT_CAPABILITY_KEYBOARD) && !_glfw.wl.keyboard) { _glfw.wl.keyboard = wl_seat_get_keyboard(seat); wl_keyboard_add_listener(_glfw.wl.keyboard, &keyboardListener, NULL); } else if (!(caps & WL_SEAT_CAPABILITY_KEYBOARD) && _glfw.wl.keyboard) { wl_keyboard_destroy(_glfw.wl.keyboard); _glfw.wl.keyboard = NULL; } } static void seatHandleName(void* userData, struct wl_seat* seat, const char* name) { } static const struct wl_seat_listener seatListener = { seatHandleCapabilities, seatHandleName, }; static void dataOfferHandleOffer(void* userData, struct wl_data_offer* offer, const char* mimeType) { for (unsigned int i = 0; i < _glfw.wl.offerCount; i++) { if (_glfw.wl.offers[i].offer == offer) { if (strcmp(mimeType, "text/plain;charset=utf-8") == 0) _glfw.wl.offers[i].text_plain_utf8 = GLFW_TRUE; break; } } } static const struct wl_data_offer_listener dataOfferListener = { dataOfferHandleOffer, }; static void dataDeviceHandleDataOffer(void* userData, struct wl_data_device* device, struct wl_data_offer* offer) { _GLFWofferWayland* offers = realloc(_glfw.wl.offers, _glfw.wl.offerCount + 1); if (!offers) { _glfwInputError(GLFW_OUT_OF_MEMORY, NULL); return; } _glfw.wl.offers = offers; _glfw.wl.offerCount++; _glfw.wl.offers[_glfw.wl.offerCount - 1] = (_GLFWofferWayland) { offer }; wl_data_offer_add_listener(offer, &dataOfferListener, NULL); } static void dataDeviceHandleEnter(void* userData, struct wl_data_device* device, uint32_t serial, struct wl_surface* surface, wl_fixed_t x, wl_fixed_t y, struct wl_data_offer* offer) { for (unsigned int i = 0; i < _glfw.wl.offerCount; i++) { if (_glfw.wl.offers[i].offer == offer) { _glfw.wl.offers[i] = _glfw.wl.offers[_glfw.wl.offerCount - 1]; _glfw.wl.offerCount--; // We don't yet handle drag and drop wl_data_offer_accept(offer, serial, NULL); wl_data_offer_destroy(offer); break; } } } static void dataDeviceHandleLeave(void* userData, struct wl_data_device* device) { } static void dataDeviceHandleMotion(void* userData, struct wl_data_device* device, uint32_t time, wl_fixed_t x, wl_fixed_t y) { } static void dataDeviceHandleDrop(void* userData, struct wl_data_device* device) { } static void dataDeviceHandleSelection(void* userData, struct wl_data_device* device, struct wl_data_offer* offer) { if (_glfw.wl.selectionOffer) { wl_data_offer_destroy(_glfw.wl.selectionOffer); _glfw.wl.selectionOffer = NULL; } for (unsigned int i = 0; i < _glfw.wl.offerCount; i++) { if (_glfw.wl.offers[i].offer == offer) { if (_glfw.wl.offers[i].text_plain_utf8) _glfw.wl.selectionOffer = offer; else wl_data_offer_destroy(offer); _glfw.wl.offers[i] = _glfw.wl.offers[_glfw.wl.offerCount - 1]; _glfw.wl.offerCount--; break; } } } static const struct wl_data_device_listener dataDeviceListener = { dataDeviceHandleDataOffer, dataDeviceHandleEnter, dataDeviceHandleLeave, dataDeviceHandleMotion, dataDeviceHandleDrop, dataDeviceHandleSelection, }; // Translates a GLFW standard cursor to a theme cursor name // static char *translateCursorShape(int shape) { switch (shape) { case GLFW_ARROW_CURSOR: return "left_ptr"; case GLFW_IBEAM_CURSOR: return "xterm"; case GLFW_CROSSHAIR_CURSOR: return "crosshair"; case GLFW_HAND_CURSOR: return "hand2"; case GLFW_HRESIZE_CURSOR: return "sb_h_double_arrow"; case GLFW_VRESIZE_CURSOR: return "sb_v_double_arrow"; } return NULL; } void _glfwAddSeatListenerWayland(struct wl_seat* seat) { wl_seat_add_listener(seat, &seatListener, NULL); } void _glfwAddDataDeviceListenerWayland(struct wl_data_device* device) { wl_data_device_add_listener(device, &dataDeviceListener, NULL); } ////////////////////////////////////////////////////////////////////////// ////// GLFW platform API ////// ////////////////////////////////////////////////////////////////////////// int _glfwPlatformCreateWindow(_GLFWwindow* window, const _GLFWwndconfig* wndconfig, const _GLFWctxconfig* ctxconfig, const _GLFWfbconfig* fbconfig) { if (!createSurface(window, wndconfig, fbconfig)) return GLFW_FALSE; if (ctxconfig->client != GLFW_NO_API) { if (ctxconfig->source == GLFW_EGL_CONTEXT_API || ctxconfig->source == GLFW_NATIVE_CONTEXT_API) { if (!_glfwInitEGL()) return GLFW_FALSE; if (!_glfwCreateContextEGL(window, ctxconfig, fbconfig)) return GLFW_FALSE; } else if (ctxconfig->source == GLFW_OSMESA_CONTEXT_API) { if (!_glfwInitOSMesa()) return GLFW_FALSE; if (!_glfwCreateContextOSMesa(window, ctxconfig, fbconfig)) return GLFW_FALSE; } } return GLFW_TRUE; } void _glfwPlatformDestroyWindow(_GLFWwindow* window) { if (window == _glfw.wl.pointerFocus) { _glfw.wl.pointerFocus = NULL; _glfwInputCursorEnter(window, GLFW_FALSE); } if (window == _glfw.wl.keyboardFocus) { _glfw.wl.keyboardFocus = NULL; _glfwInputWindowFocus(window, GLFW_FALSE); } if (window->wl.idleInhibitor) zwp_idle_inhibitor_v1_destroy(window->wl.idleInhibitor); if (window->context.destroy) window->context.destroy(window); destroyDecorations(window); if (window->wl.xdg.decoration) zxdg_toplevel_decoration_v1_destroy(window->wl.xdg.decoration); if (window->wl.decorations.buffer) wl_buffer_destroy(window->wl.decorations.buffer); if (window->wl.native) wl_egl_window_destroy(window->wl.native); if (window->wl.shellSurface) wl_shell_surface_destroy(window->wl.shellSurface); if (window->wl.xdg.toplevel) xdg_toplevel_destroy(window->wl.xdg.toplevel); if (window->wl.xdg.surface) xdg_surface_destroy(window->wl.xdg.surface); if (window->wl.surface) wl_surface_destroy(window->wl.surface); free(window->wl.title); free(window->wl.monitors); } void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char* title) { if (window->wl.title) free(window->wl.title); window->wl.title = _glfw_strdup(title); if (window->wl.xdg.toplevel) xdg_toplevel_set_title(window->wl.xdg.toplevel, title); else if (window->wl.shellSurface) wl_shell_surface_set_title(window->wl.shellSurface, title); } void _glfwPlatformSetWindowIcon(_GLFWwindow* window, int count, const GLFWimage* images) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Setting window icon not supported"); } void _glfwPlatformGetWindowPos(_GLFWwindow* window, int* xpos, int* ypos) { // A Wayland client is not aware of its position, so just warn and leave it // as (0, 0) _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Window position retrieval not supported"); } void _glfwPlatformSetWindowPos(_GLFWwindow* window, int xpos, int ypos) { // A Wayland client can not set its position, so just warn _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Window position setting not supported"); } void _glfwPlatformGetWindowSize(_GLFWwindow* window, int* width, int* height) { if (width) *width = window->wl.width; if (height) *height = window->wl.height; } void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height) { window->wl.width = width; window->wl.height = height; resizeWindow(window); } void _glfwPlatformSetWindowSizeLimits(_GLFWwindow* window, int minwidth, int minheight, int maxwidth, int maxheight) { if (_glfw.wl.wmBase) { if (window->wl.xdg.toplevel) { if (minwidth == GLFW_DONT_CARE || minheight == GLFW_DONT_CARE) minwidth = minheight = 0; if (maxwidth == GLFW_DONT_CARE || maxheight == GLFW_DONT_CARE) maxwidth = maxheight = 0; xdg_toplevel_set_min_size(window->wl.xdg.toplevel, minwidth, minheight); xdg_toplevel_set_max_size(window->wl.xdg.toplevel, maxwidth, maxheight); wl_surface_commit(window->wl.surface); } } else { // TODO: find out how to trigger a resize. // The actual limits are checked in the wl_shell_surface::configure handler. } } void _glfwPlatformSetWindowAspectRatio(_GLFWwindow* window, int numer, int denom) { // TODO: find out how to trigger a resize. // The actual limits are checked in the wl_shell_surface::configure handler. } void _glfwPlatformGetFramebufferSize(_GLFWwindow* window, int* width, int* height) { _glfwPlatformGetWindowSize(window, width, height); if (width) *width *= window->wl.scale; if (height) *height *= window->wl.scale; } void _glfwPlatformGetWindowFrameSize(_GLFWwindow* window, int* left, int* top, int* right, int* bottom) { if (window->decorated && !window->monitor && !window->wl.decorations.serverSide) { if (top) *top = _GLFW_DECORATION_TOP; if (left) *left = _GLFW_DECORATION_WIDTH; if (right) *right = _GLFW_DECORATION_WIDTH; if (bottom) *bottom = _GLFW_DECORATION_WIDTH; } } void _glfwPlatformGetWindowContentScale(_GLFWwindow* window, float* xscale, float* yscale) { if (xscale) *xscale = (float) window->wl.scale; if (yscale) *yscale = (float) window->wl.scale; } void _glfwPlatformIconifyWindow(_GLFWwindow* window) { if (_glfw.wl.wmBase) { if (window->wl.xdg.toplevel) xdg_toplevel_set_minimized(window->wl.xdg.toplevel); } else { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Iconify window not supported on wl_shell"); } } void _glfwPlatformRestoreWindow(_GLFWwindow* window) { if (window->wl.xdg.toplevel) { if (window->monitor) xdg_toplevel_unset_fullscreen(window->wl.xdg.toplevel); if (window->wl.maximized) xdg_toplevel_unset_maximized(window->wl.xdg.toplevel); // There is no way to unset minimized, or even to know if we are // minimized, so there is nothing to do here. } else if (window->wl.shellSurface) { if (window->monitor || window->wl.maximized) wl_shell_surface_set_toplevel(window->wl.shellSurface); } _glfwInputWindowMonitor(window, NULL); window->wl.maximized = GLFW_FALSE; } void _glfwPlatformMaximizeWindow(_GLFWwindow* window) { if (window->wl.xdg.toplevel) { xdg_toplevel_set_maximized(window->wl.xdg.toplevel); } else if (window->wl.shellSurface) { // Let the compositor select the best output. wl_shell_surface_set_maximized(window->wl.shellSurface, NULL); } window->wl.maximized = GLFW_TRUE; } void _glfwPlatformShowWindow(_GLFWwindow* window) { if (!window->wl.visible) { // NOTE: The XDG/shell surface is created here so command-line applications // with off-screen windows do not appear in for example the Unity dock if (_glfw.wl.wmBase) { if (!window->wl.xdg.toplevel) createXdgSurface(window); } else if (!window->wl.shellSurface) createShellSurface(window); window->wl.visible = GLFW_TRUE; _glfwInputWindowDamage(window); } } void _glfwPlatformHideWindow(_GLFWwindow* window) { if (window->wl.visible) { window->wl.visible = GLFW_FALSE; wl_surface_attach(window->wl.surface, NULL, 0, 0); wl_surface_commit(window->wl.surface); } } void _glfwPlatformRequestWindowAttention(_GLFWwindow* window) { // TODO _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Window attention request not implemented yet"); } void _glfwPlatformFocusWindow(_GLFWwindow* window) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Focusing a window requires user interaction"); } void _glfwPlatformSetWindowMonitor(_GLFWwindow* window, _GLFWmonitor* monitor, int xpos, int ypos, int width, int height, int refreshRate) { if (monitor) { setFullscreen(window, monitor, refreshRate); } else { if (window->wl.xdg.toplevel) xdg_toplevel_unset_fullscreen(window->wl.xdg.toplevel); else if (window->wl.shellSurface) wl_shell_surface_set_toplevel(window->wl.shellSurface); setIdleInhibitor(window, GLFW_FALSE); if (!_glfw.wl.decorationManager) createDecorations(window); } _glfwInputWindowMonitor(window, monitor); } int _glfwPlatformWindowFocused(_GLFWwindow* window) { return _glfw.wl.keyboardFocus == window; } int _glfwPlatformWindowIconified(_GLFWwindow* window) { // wl_shell doesn't have any iconified concept, and xdg-shell doesn’t give // any way to request whether a surface is iconified. return GLFW_FALSE; } int _glfwPlatformWindowVisible(_GLFWwindow* window) { return window->wl.visible; } int _glfwPlatformWindowMaximized(_GLFWwindow* window) { return window->wl.maximized; } int _glfwPlatformWindowHovered(_GLFWwindow* window) { return window->wl.hovered; } int _glfwPlatformFramebufferTransparent(_GLFWwindow* window) { return window->wl.transparent; } void _glfwPlatformSetWindowResizable(_GLFWwindow* window, GLFWbool enabled) { // TODO _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Window attribute setting not implemented yet"); } void _glfwPlatformSetWindowDecorated(_GLFWwindow* window, GLFWbool enabled) { if (!window->monitor) { if (enabled) createDecorations(window); else destroyDecorations(window); } } void _glfwPlatformSetWindowFloating(_GLFWwindow* window, GLFWbool enabled) { // TODO _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Window attribute setting not implemented yet"); } float _glfwPlatformGetWindowOpacity(_GLFWwindow* window) { return 1.f; } void _glfwPlatformSetWindowOpacity(_GLFWwindow* window, float opacity) { } void _glfwPlatformSetRawMouseMotion(_GLFWwindow* window, GLFWbool enabled) { // This is handled in relativePointerHandleRelativeMotion } GLFWbool _glfwPlatformRawMouseMotionSupported(void) { return GLFW_TRUE; } void _glfwPlatformPollEvents(void) { double timeout = 0.0; handleEvents(&timeout); } void _glfwPlatformWaitEvents(void) { handleEvents(NULL); } void _glfwPlatformWaitEventsTimeout(double timeout) { handleEvents(&timeout); } void _glfwPlatformPostEmptyEvent(void) { wl_display_sync(_glfw.wl.display); flushDisplay(); } void _glfwPlatformGetCursorPos(_GLFWwindow* window, double* xpos, double* ypos) { if (xpos) *xpos = window->wl.cursorPosX; if (ypos) *ypos = window->wl.cursorPosY; } static GLFWbool isPointerLocked(_GLFWwindow* window); void _glfwPlatformSetCursorPos(_GLFWwindow* window, double x, double y) { if (isPointerLocked(window)) { zwp_locked_pointer_v1_set_cursor_position_hint( window->wl.pointerLock.lockedPointer, wl_fixed_from_double(x), wl_fixed_from_double(y)); wl_surface_commit(window->wl.surface); } } void _glfwPlatformSetCursorMode(_GLFWwindow* window, int mode) { _glfwPlatformSetCursor(window, window->wl.currentCursor); } const char* _glfwPlatformGetScancodeName(int scancode) { if (scancode < 0 || scancode > 255 || _glfw.wl.keycodes[scancode] == GLFW_KEY_UNKNOWN) { _glfwInputError(GLFW_INVALID_VALUE, "Wayland: Invalid scancode %i", scancode); return NULL; } const int key = _glfw.wl.keycodes[scancode]; const xkb_keycode_t keycode = scancode + 8; const xkb_layout_index_t layout = xkb_state_key_get_layout(_glfw.wl.xkb.state, keycode); if (layout == XKB_LAYOUT_INVALID) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Failed to retrieve layout for key name"); return NULL; } const xkb_keysym_t* keysyms = NULL; xkb_keymap_key_get_syms_by_level(_glfw.wl.xkb.keymap, keycode, layout, 0, &keysyms); if (keysyms == NULL) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Failed to retrieve keysym for key name"); return NULL; } const uint32_t codepoint = _glfwKeySym2Unicode(keysyms[0]); if (codepoint == GLFW_INVALID_CODEPOINT) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Failed to retrieve codepoint for key name"); return NULL; } const size_t count = _glfwEncodeUTF8(_glfw.wl.keynames[key], codepoint); if (count == 0) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Failed to encode codepoint for key name"); return NULL; } _glfw.wl.keynames[key][count] = '\0'; return _glfw.wl.keynames[key]; } int _glfwPlatformGetKeyScancode(int key) { return _glfw.wl.scancodes[key]; } int _glfwPlatformCreateCursor(_GLFWcursor* cursor, const GLFWimage* image, int xhot, int yhot) { cursor->wl.buffer = createShmBuffer(image); if (!cursor->wl.buffer) return GLFW_FALSE; cursor->wl.width = image->width; cursor->wl.height = image->height; cursor->wl.xhot = xhot; cursor->wl.yhot = yhot; return GLFW_TRUE; } int _glfwPlatformCreateStandardCursor(_GLFWcursor* cursor, int shape) { struct wl_cursor* standardCursor; standardCursor = wl_cursor_theme_get_cursor(_glfw.wl.cursorTheme, translateCursorShape(shape)); if (!standardCursor) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Standard cursor \"%s\" not found", translateCursorShape(shape)); return GLFW_FALSE; } cursor->wl.cursor = standardCursor; cursor->wl.currentImage = 0; if (_glfw.wl.cursorThemeHiDPI) { standardCursor = wl_cursor_theme_get_cursor(_glfw.wl.cursorThemeHiDPI, translateCursorShape(shape)); cursor->wl.cursorHiDPI = standardCursor; } return GLFW_TRUE; } void _glfwPlatformDestroyCursor(_GLFWcursor* cursor) { // If it's a standard cursor we don't need to do anything here if (cursor->wl.cursor) return; if (cursor->wl.buffer) wl_buffer_destroy(cursor->wl.buffer); } static void relativePointerHandleRelativeMotion(void* userData, struct zwp_relative_pointer_v1* pointer, uint32_t timeHi, uint32_t timeLo, wl_fixed_t dx, wl_fixed_t dy, wl_fixed_t dxUnaccel, wl_fixed_t dyUnaccel) { _GLFWwindow* window = userData; double xpos = window->virtualCursorPosX; double ypos = window->virtualCursorPosY; if (window->cursorMode != GLFW_CURSOR_DISABLED) return; if (window->rawMouseMotion) { xpos += wl_fixed_to_double(dxUnaccel); ypos += wl_fixed_to_double(dyUnaccel); } else { xpos += wl_fixed_to_double(dx); ypos += wl_fixed_to_double(dy); } _glfwInputCursorPos(window, xpos, ypos); } static const struct zwp_relative_pointer_v1_listener relativePointerListener = { relativePointerHandleRelativeMotion }; static void lockedPointerHandleLocked(void* userData, struct zwp_locked_pointer_v1* lockedPointer) { } static void unlockPointer(_GLFWwindow* window) { struct zwp_relative_pointer_v1* relativePointer = window->wl.pointerLock.relativePointer; struct zwp_locked_pointer_v1* lockedPointer = window->wl.pointerLock.lockedPointer; zwp_relative_pointer_v1_destroy(relativePointer); zwp_locked_pointer_v1_destroy(lockedPointer); window->wl.pointerLock.relativePointer = NULL; window->wl.pointerLock.lockedPointer = NULL; } static void lockPointer(_GLFWwindow* window); static void lockedPointerHandleUnlocked(void* userData, struct zwp_locked_pointer_v1* lockedPointer) { } static const struct zwp_locked_pointer_v1_listener lockedPointerListener = { lockedPointerHandleLocked, lockedPointerHandleUnlocked }; static void lockPointer(_GLFWwindow* window) { struct zwp_relative_pointer_v1* relativePointer; struct zwp_locked_pointer_v1* lockedPointer; if (!_glfw.wl.relativePointerManager) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: no relative pointer manager"); return; } relativePointer = zwp_relative_pointer_manager_v1_get_relative_pointer( _glfw.wl.relativePointerManager, _glfw.wl.pointer); zwp_relative_pointer_v1_add_listener(relativePointer, &relativePointerListener, window); lockedPointer = zwp_pointer_constraints_v1_lock_pointer( _glfw.wl.pointerConstraints, window->wl.surface, _glfw.wl.pointer, NULL, ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_PERSISTENT); zwp_locked_pointer_v1_add_listener(lockedPointer, &lockedPointerListener, window); window->wl.pointerLock.relativePointer = relativePointer; window->wl.pointerLock.lockedPointer = lockedPointer; wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.pointerEnterSerial, NULL, 0, 0); } static GLFWbool isPointerLocked(_GLFWwindow* window) { return window->wl.pointerLock.lockedPointer != NULL; } void _glfwPlatformSetCursor(_GLFWwindow* window, _GLFWcursor* cursor) { struct wl_cursor* defaultCursor; struct wl_cursor* defaultCursorHiDPI = NULL; if (!_glfw.wl.pointer) return; window->wl.currentCursor = cursor; // If we're not in the correct window just save the cursor // the next time the pointer enters the window the cursor will change if (window != _glfw.wl.pointerFocus || window->wl.decorations.focus != mainWindow) return; // Unlock possible pointer lock if no longer disabled. if (window->cursorMode != GLFW_CURSOR_DISABLED && isPointerLocked(window)) unlockPointer(window); if (window->cursorMode == GLFW_CURSOR_NORMAL) { if (cursor) setCursorImage(window, &cursor->wl); else { defaultCursor = wl_cursor_theme_get_cursor(_glfw.wl.cursorTheme, "left_ptr"); if (!defaultCursor) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Standard cursor not found"); return; } if (_glfw.wl.cursorThemeHiDPI) defaultCursorHiDPI = wl_cursor_theme_get_cursor(_glfw.wl.cursorThemeHiDPI, "left_ptr"); _GLFWcursorWayland cursorWayland = { defaultCursor, defaultCursorHiDPI, NULL, 0, 0, 0, 0, 0 }; setCursorImage(window, &cursorWayland); } } else if (window->cursorMode == GLFW_CURSOR_DISABLED) { if (!isPointerLocked(window)) lockPointer(window); } else if (window->cursorMode == GLFW_CURSOR_HIDDEN) { wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.pointerEnterSerial, NULL, 0, 0); } } static void dataSourceHandleTarget(void* userData, struct wl_data_source* source, const char* mimeType) { if (_glfw.wl.selectionSource != source) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Unknown clipboard data source"); return; } } static void dataSourceHandleSend(void* userData, struct wl_data_source* source, const char* mimeType, int fd) { // Ignore it if this is an outdated or invalid request if (_glfw.wl.selectionSource != source || strcmp(mimeType, "text/plain;charset=utf-8") != 0) { close(fd); return; } char* string = _glfw.wl.clipboardString; size_t length = strlen(string); while (length > 0) { const ssize_t result = write(fd, string, length); if (result == -1) { if (errno == EINTR) continue; _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Error while writing the clipboard: %s", strerror(errno)); break; } length -= result; string += result; } close(fd); } static void dataSourceHandleCancelled(void* userData, struct wl_data_source* source) { wl_data_source_destroy(source); if (_glfw.wl.selectionSource != source) return; _glfw.wl.selectionSource = NULL; } static const struct wl_data_source_listener dataSourceListener = { dataSourceHandleTarget, dataSourceHandleSend, dataSourceHandleCancelled, }; void _glfwPlatformSetClipboardString(const char* string) { if (_glfw.wl.selectionSource) { wl_data_source_destroy(_glfw.wl.selectionSource); _glfw.wl.selectionSource = NULL; } const size_t requiredSize = strlen(string) + 1; if (requiredSize > _glfw.wl.clipboardSize) { free(_glfw.wl.clipboardString); _glfw.wl.clipboardString = calloc(requiredSize, 1); if (!_glfw.wl.clipboardString) { _glfwInputError(GLFW_OUT_OF_MEMORY, "Wayland: Failed to allocate clipboard string"); return; } _glfw.wl.clipboardSize = requiredSize; } // The argument may be a substring of the clipboard string memmove(_glfw.wl.clipboardString, string, requiredSize); _glfw.wl.selectionSource = wl_data_device_manager_create_data_source(_glfw.wl.dataDeviceManager); if (!_glfw.wl.selectionSource) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Failed to create clipboard data source"); return; } wl_data_source_add_listener(_glfw.wl.selectionSource, &dataSourceListener, NULL); wl_data_source_offer(_glfw.wl.selectionSource, "text/plain;charset=utf-8"); wl_data_device_set_selection(_glfw.wl.dataDevice, _glfw.wl.selectionSource, _glfw.wl.serial); } const char* _glfwPlatformGetClipboardString(void) { if (!_glfw.wl.selectionOffer) { _glfwInputError(GLFW_FORMAT_UNAVAILABLE, "Wayland: No clipboard data available"); return NULL; } if (_glfw.wl.selectionSource) return _glfw.wl.clipboardString; int fds[2]; if (pipe2(fds, O_CLOEXEC) == -1) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Failed to create clipboard pipe: %s", strerror(errno)); return NULL; } wl_data_offer_receive(_glfw.wl.selectionOffer, "text/plain;charset=utf-8", fds[1]); flushDisplay(); close(fds[1]); size_t length = 0; for (;;) { // Grow the clipboard if we need to paste something bigger, there is no // shrink operation yet. const size_t readSize = 4096; const size_t requiredSize = length + readSize + 1; if (requiredSize > _glfw.wl.clipboardSize) { char* string = realloc(_glfw.wl.clipboardString, requiredSize); if (!string) { _glfwInputError(GLFW_OUT_OF_MEMORY, "Wayland: Failed to grow clipboard string"); close(fds[0]); return NULL; } _glfw.wl.clipboardString = string; _glfw.wl.clipboardSize = requiredSize; } // Then read from the fd to the clipboard, handling all known errors. const ssize_t result = read(fds[0], _glfw.wl.clipboardString + length, readSize); if (result == 0) break; else if (result == -1) { if (errno == EINTR) continue; _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Failed to read from clipboard pipe: %s", strerror(errno)); close(fds[0]); return NULL; } length += result; } close(fds[0]); _glfw.wl.clipboardString[length] = '\0'; return _glfw.wl.clipboardString; } void _glfwPlatformGetRequiredInstanceExtensions(char** extensions) { if (!_glfw.vk.KHR_surface || !_glfw.vk.KHR_wayland_surface) return; extensions[0] = "VK_KHR_surface"; extensions[1] = "VK_KHR_wayland_surface"; } int _glfwPlatformGetPhysicalDevicePresentationSupport(VkInstance instance, VkPhysicalDevice device, uint32_t queuefamily) { PFN_vkGetPhysicalDeviceWaylandPresentationSupportKHR vkGetPhysicalDeviceWaylandPresentationSupportKHR = (PFN_vkGetPhysicalDeviceWaylandPresentationSupportKHR) vkGetInstanceProcAddr(instance, "vkGetPhysicalDeviceWaylandPresentationSupportKHR"); if (!vkGetPhysicalDeviceWaylandPresentationSupportKHR) { _glfwInputError(GLFW_API_UNAVAILABLE, "Wayland: Vulkan instance missing VK_KHR_wayland_surface extension"); return VK_NULL_HANDLE; } return vkGetPhysicalDeviceWaylandPresentationSupportKHR(device, queuefamily, _glfw.wl.display); } VkResult _glfwPlatformCreateWindowSurface(VkInstance instance, _GLFWwindow* window, const VkAllocationCallbacks* allocator, VkSurfaceKHR* surface) { VkResult err; VkWaylandSurfaceCreateInfoKHR sci; PFN_vkCreateWaylandSurfaceKHR vkCreateWaylandSurfaceKHR; vkCreateWaylandSurfaceKHR = (PFN_vkCreateWaylandSurfaceKHR) vkGetInstanceProcAddr(instance, "vkCreateWaylandSurfaceKHR"); if (!vkCreateWaylandSurfaceKHR) { _glfwInputError(GLFW_API_UNAVAILABLE, "Wayland: Vulkan instance missing VK_KHR_wayland_surface extension"); return VK_ERROR_EXTENSION_NOT_PRESENT; } memset(&sci, 0, sizeof(sci)); sci.sType = VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR; sci.display = _glfw.wl.display; sci.surface = window->wl.surface; err = vkCreateWaylandSurfaceKHR(instance, &sci, allocator, surface); if (err) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Failed to create Vulkan surface: %s", _glfwGetVulkanResultString(err)); } return err; } ////////////////////////////////////////////////////////////////////////// ////// GLFW native API ////// ////////////////////////////////////////////////////////////////////////// GLFWAPI struct wl_display* glfwGetWaylandDisplay(void) { _GLFW_REQUIRE_INIT_OR_RETURN(NULL); return _glfw.wl.display; } GLFWAPI struct wl_surface* glfwGetWaylandWindow(GLFWwindow* handle) { _GLFWwindow* window = (_GLFWwindow*) handle; _GLFW_REQUIRE_INIT_OR_RETURN(NULL); return window->wl.surface; }