Initial Commit

1 files changed, 848 insertions, 0 deletions

diff --git a/glfw-3.2.1/src/mir_window.c b/glfw-3.2.1/src/mir_window.c
new file mode 100644
index 0000000..411f906
--- /dev/null
+++ b/glfw-3.2.1/src/mir_window.c
@@ -0,0 +1,848 @@
+//========================================================================
+// GLFW 3.2 Mir - www.glfw.org
+//------------------------------------------------------------------------
+// Copyright (c) 2014-2015 Brandon Schaefer <brandon.schaefer@canonical.com>
+//
+// 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.
+//
+//========================================================================
+
+#include "internal.h"
+
+#include <linux/input.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+typedef struct EventNode
+{
+    TAILQ_ENTRY(EventNode) entries;
+    const MirEvent*        event;
+    _GLFWwindow*           window;
+} EventNode;
+
+static void deleteNode(EventQueue* queue, EventNode* node)
+{
+    mir_event_unref(node->event);
+    free(node);
+}
+
+static GLFWbool emptyEventQueue(EventQueue* queue)
+{
+    return queue->head.tqh_first == NULL;
+}
+
+// TODO The mir_event_ref is not supposed to be used but ... its needed
+//      in this case. Need to wait until we can read from an FD set up by mir
+//      for single threaded event handling.
+static EventNode* newEventNode(const MirEvent* event, _GLFWwindow* context)
+{
+    EventNode* new_node = calloc(1, sizeof(EventNode));
+    new_node->event     = mir_event_ref(event);
+    new_node->window    = context;
+
+    return new_node;
+}
+
+static void enqueueEvent(const MirEvent* event, _GLFWwindow* context)
+{
+    pthread_mutex_lock(&_glfw.mir.event_mutex);
+
+    EventNode* new_node = newEventNode(event, context);
+    TAILQ_INSERT_TAIL(&_glfw.mir.event_queue->head, new_node, entries);
+
+    pthread_cond_signal(&_glfw.mir.event_cond);
+
+    pthread_mutex_unlock(&_glfw.mir.event_mutex);
+}
+
+static EventNode* dequeueEvent(EventQueue* queue)
+{
+    EventNode* node = NULL;
+
+    pthread_mutex_lock(&_glfw.mir.event_mutex);
+
+    node = queue->head.tqh_first;
+
+    if (node)
+        TAILQ_REMOVE(&queue->head, node, entries);
+
+    pthread_mutex_unlock(&_glfw.mir.event_mutex);
+
+    return node;
+}
+
+/* FIXME Soon to be changed upstream mir! So we can use an egl config to figure out
+         the best pixel format!
+*/
+static MirPixelFormat findValidPixelFormat(void)
+{
+    unsigned int i, validFormats, mirPixelFormats = 32;
+    MirPixelFormat formats[mir_pixel_formats];
+
+    mir_connection_get_available_surface_formats(_glfw.mir.connection, formats,
+                                                 mirPixelFormats, &validFormats);
+
+    for (i = 0;  i < validFormats;  i++)
+    {
+        if (formats[i] == mir_pixel_format_abgr_8888 ||
+            formats[i] == mir_pixel_format_xbgr_8888 ||
+            formats[i] == mir_pixel_format_argb_8888 ||
+            formats[i] == mir_pixel_format_xrgb_8888)
+        {
+            return formats[i];
+        }
+    }
+
+    return mir_pixel_format_invalid;
+}
+
+static int mirModToGLFWMod(uint32_t mods)
+{
+    int publicMods = 0x0;
+
+    if (mods & mir_input_event_modifier_alt)
+        publicMods |= GLFW_MOD_ALT;
+    else if (mods & mir_input_event_modifier_shift)
+        publicMods |= GLFW_MOD_SHIFT;
+    else if (mods & mir_input_event_modifier_ctrl)
+        publicMods |= GLFW_MOD_CONTROL;
+    else if (mods & mir_input_event_modifier_meta)
+        publicMods |= GLFW_MOD_SUPER;
+
+    return publicMods;
+}
+
+static int toGLFWKeyCode(uint32_t key)
+{
+    if (key < sizeof(_glfw.mir.publicKeys) / sizeof(_glfw.mir.publicKeys[0]))
+        return _glfw.mir.publicKeys[key];
+
+    return GLFW_KEY_UNKNOWN;
+}
+
+static void handleKeyEvent(const MirKeyboardEvent* key_event, _GLFWwindow* window)
+{
+    const int action    = mir_keyboard_event_action   (key_event);
+    const int scan_code = mir_keyboard_event_scan_code(key_event);
+    const int key_code  = mir_keyboard_event_key_code (key_event);
+    const int modifiers = mir_keyboard_event_modifiers(key_event);
+
+    const int  pressed = action == mir_keyboard_action_up ? GLFW_RELEASE : GLFW_PRESS;
+    const int  mods    = mirModToGLFWMod(modifiers);
+    const long text    = _glfwKeySym2Unicode(key_code);
+    const int  plain   = !(mods & (GLFW_MOD_CONTROL | GLFW_MOD_ALT));
+
+    _glfwInputKey(window, toGLFWKeyCode(scan_code), scan_code, pressed, mods);
+
+    if (text != -1)
+        _glfwInputChar(window, text, mods, plain);
+}
+
+static void handlePointerButton(_GLFWwindow* window,
+                              int pressed,
+                              const MirPointerEvent* pointer_event)
+{
+    int mods                = mir_pointer_event_modifiers(pointer_event);
+    const int publicMods    = mirModToGLFWMod(mods);
+    MirPointerButton button = mir_pointer_button_primary;
+    static uint32_t oldButtonStates = 0;
+    uint32_t newButtonStates        = mir_pointer_event_buttons(pointer_event);
+    int publicButton                = GLFW_MOUSE_BUTTON_LEFT;
+
+    // XOR our old button states our new states to figure out what was added or removed
+    button = newButtonStates ^ oldButtonStates;
+
+    switch (button)
+    {
+        case mir_pointer_button_primary:
+            publicButton = GLFW_MOUSE_BUTTON_LEFT;
+            break;
+        case mir_pointer_button_secondary:
+            publicButton = GLFW_MOUSE_BUTTON_RIGHT;
+            break;
+        case mir_pointer_button_tertiary:
+            publicButton = GLFW_MOUSE_BUTTON_MIDDLE;
+            break;
+        case mir_pointer_button_forward:
+            // FIXME What is the forward button?
+            publicButton = GLFW_MOUSE_BUTTON_4;
+            break;
+        case mir_pointer_button_back:
+            // FIXME What is the back button?
+            publicButton = GLFW_MOUSE_BUTTON_5;
+            break;
+        default:
+            break;
+    }
+
+    oldButtonStates = newButtonStates;
+
+    _glfwInputMouseClick(window, publicButton, pressed, publicMods);
+}
+
+static void handlePointerMotion(_GLFWwindow* window,
+                                const MirPointerEvent* pointer_event)
+{
+    int current_x = window->virtualCursorPosX;
+    int current_y = window->virtualCursorPosY;
+    int x  = mir_pointer_event_axis_value(pointer_event, mir_pointer_axis_x);
+    int y  = mir_pointer_event_axis_value(pointer_event, mir_pointer_axis_y);
+    int dx = mir_pointer_event_axis_value(pointer_event, mir_pointer_axis_hscroll);
+    int dy = mir_pointer_event_axis_value(pointer_event, mir_pointer_axis_vscroll);
+
+    _glfwInputCursorPos(window, x, y);
+    if (dx != 0 || dy != 0)
+      _glfwInputScroll(window, dx, dy);
+}
+
+static void handlePointerEvent(const MirPointerEvent* pointer_event,
+                             _GLFWwindow* window)
+{
+    int action = mir_pointer_event_action(pointer_event);
+
+    switch (action)
+    {
+          case mir_pointer_action_button_down:
+              handlePointerButton(window, GLFW_PRESS, pointer_event);
+              break;
+          case mir_pointer_action_button_up:
+              handlePointerButton(window, GLFW_RELEASE, pointer_event);
+              break;
+          case mir_pointer_action_motion:
+              handlePointerMotion(window, pointer_event);
+              break;
+          case mir_pointer_action_enter:
+          case mir_pointer_action_leave:
+              break;
+          default:
+              break;
+
+    }
+}
+
+static void handleInput(const MirInputEvent* input_event, _GLFWwindow* window)
+{
+    int type = mir_input_event_get_type(input_event);
+
+    switch (type)
+    {
+        case mir_input_event_type_key:
+            handleKeyEvent(mir_input_event_get_keyboard_event(input_event), window);
+            break;
+        case mir_input_event_type_pointer:
+            handlePointerEvent(mir_input_event_get_pointer_event(input_event), window);
+            break;
+        default:
+            break;
+    }
+}
+
+static void handleEvent(const MirEvent* event, _GLFWwindow* window)
+{
+    int type = mir_event_get_type(event);
+
+    switch (type)
+    {
+        case mir_event_type_input:
+            handleInput(mir_event_get_input_event(event), window);
+            break;
+        default:
+            break;
+    }
+}
+
+static void addNewEvent(MirSurface* surface, const MirEvent* event, void* context)
+{
+    enqueueEvent(event, context);
+}
+
+static GLFWbool createSurface(_GLFWwindow* window)
+{
+    MirSurfaceSpec* spec;
+    MirBufferUsage buffer_usage = mir_buffer_usage_hardware;
+    MirPixelFormat pixel_format = findValidPixelFormat();
+
+    if (pixel_format == mir_pixel_format_invalid)
+    {
+        _glfwInputError(GLFW_PLATFORM_ERROR,
+                        "Mir: Unable to find a correct pixel format");
+        return GLFW_FALSE;
+    }
+ 
+    spec = mir_connection_create_spec_for_normal_surface(_glfw.mir.connection,
+                                                         window->mir.width,
+                                                         window->mir.height,
+                                                         pixel_format);
+
+    mir_surface_spec_set_buffer_usage(spec, buffer_usage);
+    mir_surface_spec_set_name(spec, "MirSurface");
+
+    window->mir.surface = mir_surface_create_sync(spec);
+    mir_surface_spec_release(spec);
+
+    if (!mir_surface_is_valid(window->mir.surface))
+    {
+        _glfwInputError(GLFW_PLATFORM_ERROR,
+                        "Mir: Unable to create surface: %s",
+                        mir_surface_get_error_message(window->mir.surface));
+
+        return GLFW_FALSE;
+    }
+
+    mir_surface_set_event_handler(window->mir.surface, addNewEvent, window);
+
+    return GLFW_TRUE;
+}
+
+//////////////////////////////////////////////////////////////////////////
+//////                       GLFW internal API                      //////
+//////////////////////////////////////////////////////////////////////////
+
+void _glfwInitEventQueueMir(EventQueue* queue)
+{
+    TAILQ_INIT(&queue->head);
+}
+
+void _glfwDeleteEventQueueMir(EventQueue* queue)
+{
+    if (queue)
+    {
+        EventNode* node, *node_next;
+        node = queue->head.tqh_first;
+
+        while (node != NULL)
+        {
+            node_next = node->entries.tqe_next;
+
+            TAILQ_REMOVE(&queue->head, node, entries);
+            deleteNode(queue, node);
+
+            node = node_next;
+        }
+
+        free(queue);
+    }
+}
+
+//////////////////////////////////////////////////////////////////////////
+//////                       GLFW platform API                      //////
+//////////////////////////////////////////////////////////////////////////
+
+int _glfwPlatformCreateWindow(_GLFWwindow* window,
+                              const _GLFWwndconfig* wndconfig,
+                              const _GLFWctxconfig* ctxconfig,
+                              const _GLFWfbconfig* fbconfig)
+{
+    if (window->monitor)
+    {
+        GLFWvidmode mode;
+        _glfwPlatformGetVideoMode(window->monitor, &mode);
+
+        mir_surface_set_state(window->mir.surface, mir_surface_state_fullscreen);
+
+        if (wndconfig->width > mode.width || wndconfig->height > mode.height)
+        {
+            _glfwInputError(GLFW_PLATFORM_ERROR,
+                            "Mir: Requested surface size too large: %ix%i",
+                            wndconfig->width, wndconfig->height);
+
+            return GLFW_FALSE;
+        }
+    }
+
+    window->mir.width  = wndconfig->width;
+    window->mir.height = wndconfig->height;
+
+    if (!createSurface(window))
+        return GLFW_FALSE;
+
+    window->mir.window = mir_buffer_stream_get_egl_native_window(
+                                   mir_surface_get_buffer_stream(window->mir.surface));
+
+    if (ctxconfig->client != GLFW_NO_API)
+    {
+        if (!_glfwInitEGL())
+            return GLFW_FALSE;
+        if (!_glfwCreateContextEGL(window, ctxconfig, fbconfig))
+            return GLFW_FALSE;
+    }
+
+    return GLFW_TRUE;
+}
+
+void _glfwPlatformDestroyWindow(_GLFWwindow* window)
+{
+    if (mir_surface_is_valid(window->mir.surface))
+    {
+        mir_surface_release_sync(window->mir.surface);
+        window->mir.surface = NULL;
+    }
+
+    if (window->context.destroy)
+        window->context.destroy(window);
+}
+
+void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char* title)
+{
+    MirSurfaceSpec* spec;
+    const char* e_title = title ? title : "";
+
+    spec = mir_connection_create_spec_for_changes(_glfw.mir.connection);
+    mir_surface_spec_set_name(spec, e_title);
+
+    mir_surface_apply_spec(window->mir.surface, spec);
+    mir_surface_spec_release(spec);
+}
+
+void _glfwPlatformSetWindowIcon(_GLFWwindow* window,
+                                int count, const GLFWimage* images)
+{
+    _glfwInputError(GLFW_PLATFORM_ERROR,
+                    "Mir: Unsupported function %s", __PRETTY_FUNCTION__);
+}
+
+void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height)
+{
+    MirSurfaceSpec* spec;
+
+    spec = mir_connection_create_spec_for_changes(_glfw.mir.connection);
+    mir_surface_spec_set_width (spec, width);
+    mir_surface_spec_set_height(spec, height);
+
+    mir_surface_apply_spec(window->mir.surface, spec);
+    mir_surface_spec_release(spec);
+}
+
+void _glfwPlatformSetWindowSizeLimits(_GLFWwindow* window,
+                                      int minwidth, int minheight,
+                                      int maxwidth, int maxheight)
+{
+    _glfwInputError(GLFW_PLATFORM_ERROR,
+                    "Mir: Unsupported function %s", __PRETTY_FUNCTION__);
+}
+
+void _glfwPlatformSetWindowAspectRatio(_GLFWwindow* window, int numer, int denom)
+{
+    _glfwInputError(GLFW_PLATFORM_ERROR,
+                    "Mir: Unsupported function %s", __PRETTY_FUNCTION__);
+}
+
+void _glfwPlatformSetWindowPos(_GLFWwindow* window, int xpos, int ypos)
+{
+    _glfwInputError(GLFW_PLATFORM_ERROR,
+                    "Mir: Unsupported function %s", __PRETTY_FUNCTION__);
+}
+
+void _glfwPlatformGetWindowFrameSize(_GLFWwindow* window,
+                                     int* left, int* top,
+                                     int* right, int* bottom)
+{
+    _glfwInputError(GLFW_PLATFORM_ERROR,
+                    "Mir: Unsupported function %s", __PRETTY_FUNCTION__);
+}
+
+void _glfwPlatformGetWindowPos(_GLFWwindow* window, int* xpos, int* ypos)
+{
+    _glfwInputError(GLFW_PLATFORM_ERROR,
+                    "Mir: Unsupported function %s", __PRETTY_FUNCTION__);
+}
+
+void _glfwPlatformGetWindowSize(_GLFWwindow* window, int* width, int* height)
+{
+    if (width)
+        *width  = window->mir.width;
+    if (height)
+        *height = window->mir.height;
+}
+
+void _glfwPlatformIconifyWindow(_GLFWwindow* window)
+{
+    mir_surface_set_state(window->mir.surface, mir_surface_state_minimized);
+}
+
+void _glfwPlatformRestoreWindow(_GLFWwindow* window)
+{
+    mir_surface_set_state(window->mir.surface, mir_surface_state_restored);
+}
+
+void _glfwPlatformMaximizeWindow(_GLFWwindow* window)
+{
+    _glfwInputError(GLFW_PLATFORM_ERROR,
+                    "Mir: Unsupported function %s", __PRETTY_FUNCTION__);
+}
+
+void _glfwPlatformHideWindow(_GLFWwindow* window)
+{
+    MirSurfaceSpec* spec;
+
+    spec = mir_connection_create_spec_for_changes(_glfw.mir.connection);
+    mir_surface_spec_set_state(spec, mir_surface_state_hidden);
+
+    mir_surface_apply_spec(window->mir.surface, spec);
+    mir_surface_spec_release(spec);
+}
+
+void _glfwPlatformShowWindow(_GLFWwindow* window)
+{
+    MirSurfaceSpec* spec;
+
+    spec = mir_connection_create_spec_for_changes(_glfw.mir.connection);
+    mir_surface_spec_set_state(spec, mir_surface_state_restored);
+
+    mir_surface_apply_spec(window->mir.surface, spec);
+    mir_surface_spec_release(spec);
+}
+
+void _glfwPlatformFocusWindow(_GLFWwindow* window)
+{
+    _glfwInputError(GLFW_PLATFORM_ERROR,
+                    "Mir: Unsupported function %s", __PRETTY_FUNCTION__);
+}
+
+void _glfwPlatformSetWindowMonitor(_GLFWwindow* window,
+                                   _GLFWmonitor* monitor,
+                                   int xpos, int ypos,
+                                   int width, int height,
+                                   int refreshRate)
+{
+    _glfwInputError(GLFW_PLATFORM_ERROR,
+                    "Mir: Unsupported function %s", __PRETTY_FUNCTION__);
+}
+
+int _glfwPlatformWindowFocused(_GLFWwindow* window)
+{
+    _glfwInputError(GLFW_PLATFORM_ERROR,
+                    "Mir: Unsupported function %s", __PRETTY_FUNCTION__);
+    return GLFW_FALSE;
+}
+
+int _glfwPlatformWindowIconified(_GLFWwindow* window)
+{
+    _glfwInputError(GLFW_PLATFORM_ERROR,
+                    "Mir: Unsupported function %s", __PRETTY_FUNCTION__);
+    return GLFW_FALSE;
+}
+
+int _glfwPlatformWindowVisible(_GLFWwindow* window)
+{
+    return mir_surface_get_visibility(window->mir.surface) == mir_surface_visibility_exposed;
+}
+
+int _glfwPlatformWindowMaximized(_GLFWwindow* window)
+{
+    _glfwInputError(GLFW_PLATFORM_ERROR,
+                    "Mir: Unsupported function %s", __PRETTY_FUNCTION__);
+    return GLFW_FALSE;
+}
+
+void _glfwPlatformPollEvents(void)
+{
+    EventNode* node = NULL;
+
+    while ((node = dequeueEvent(_glfw.mir.event_queue)))
+    {
+        handleEvent(node->event, node->window);
+        deleteNode(_glfw.mir.event_queue, node);
+    }
+}
+
+void _glfwPlatformWaitEvents(void)
+{
+    pthread_mutex_lock(&_glfw.mir.event_mutex);
+
+    if (emptyEventQueue(_glfw.mir.event_queue))
+        pthread_cond_wait(&_glfw.mir.event_cond, &_glfw.mir.event_mutex);
+
+    pthread_mutex_unlock(&_glfw.mir.event_mutex);
+
+    _glfwPlatformPollEvents();
+}
+
+void _glfwPlatformWaitEventsTimeout(double timeout)
+{
+    pthread_mutex_lock(&_glfw.mir.event_mutex);
+
+    if (emptyEventQueue(_glfw.mir.event_queue))
+    {
+        struct timespec time;
+        clock_gettime(CLOCK_REALTIME, &time);
+        time.tv_sec += (long) timeout;
+        time.tv_nsec += (long) ((timeout - (long) timeout) * 1e9);
+        pthread_cond_timedwait(&_glfw.mir.event_cond, &_glfw.mir.event_mutex, &time);
+    }
+
+    pthread_mutex_unlock(&_glfw.mir.event_mutex);
+
+    _glfwPlatformPollEvents();
+}
+
+void _glfwPlatformPostEmptyEvent(void)
+{
+}
+
+void _glfwPlatformGetFramebufferSize(_GLFWwindow* window, int* width, int* height)
+{
+    if (width)
+        *width  = window->mir.width;
+    if (height)
+        *height = window->mir.height;
+}
+
+// FIXME implement
+int _glfwPlatformCreateCursor(_GLFWcursor* cursor,
+                              const GLFWimage* image,
+                              int xhot, int yhot)
+{
+    MirBufferStream* stream;
+    MirPixelFormat pixel_format = findValidPixelFormat();
+
+    int i_w = image->width;
+    int i_h = image->height;
+
+    if (pixel_format == mir_pixel_format_invalid)
+    {
+        _glfwInputError(GLFW_PLATFORM_ERROR,
+                        "Mir: Unable to find a correct pixel format");
+        return GLFW_FALSE;
+    }
+
+    stream = mir_connection_create_buffer_stream_sync(_glfw.mir.connection,
+                                                      i_w, i_h,
+                                                      pixel_format,
+                                                      mir_buffer_usage_software);
+
+    cursor->mir.conf = mir_cursor_configuration_from_buffer_stream(stream, xhot, yhot);
+
+    char* dest;
+    unsigned char *pixels;
+    int i, r_stride, bytes_per_pixel, bytes_per_row;
+
+    MirGraphicsRegion region;
+    mir_buffer_stream_get_graphics_region(stream, &region);
+
+    // FIXME Figure this out based on the current_pf
+    bytes_per_pixel = 4;
+    bytes_per_row   = bytes_per_pixel * i_w;
+
+    dest   = region.vaddr;
+    pixels = image->pixels;
+
+    r_stride = region.stride;
+
+    for (i = 0; i < i_h; i++)
+    {
+        memcpy(dest, pixels, bytes_per_row);
+        dest   += r_stride;
+        pixels += r_stride;
+    }
+
+    cursor->mir.custom_cursor = stream;
+
+    return GLFW_TRUE;
+}
+
+const char* getSystemCursorName(int shape)
+{
+    switch (shape)
+    {
+        case GLFW_ARROW_CURSOR:
+            return mir_arrow_cursor_name;
+        case GLFW_IBEAM_CURSOR:
+            return mir_caret_cursor_name;
+        case GLFW_CROSSHAIR_CURSOR:
+            return mir_crosshair_cursor_name;
+        case GLFW_HAND_CURSOR:
+            return mir_open_hand_cursor_name;
+        case GLFW_HRESIZE_CURSOR:
+            return mir_horizontal_resize_cursor_name;
+        case GLFW_VRESIZE_CURSOR:
+            return mir_vertical_resize_cursor_name;
+    }
+
+    return NULL;
+}
+
+int _glfwPlatformCreateStandardCursor(_GLFWcursor* cursor, int shape)
+{
+    const char* cursor_name = getSystemCursorName(shape);
+
+    if (cursor_name)
+    {
+        cursor->mir.conf          = mir_cursor_configuration_from_name(cursor_name);
+        cursor->mir.custom_cursor = NULL;
+
+        return GLFW_TRUE;
+    }
+
+    return GLFW_FALSE;
+}
+
+void _glfwPlatformDestroyCursor(_GLFWcursor* cursor)
+{
+    if (cursor->mir.conf)
+        mir_cursor_configuration_destroy(cursor->mir.conf);
+    if (cursor->mir.custom_cursor)
+        mir_buffer_stream_release_sync(cursor->mir.custom_cursor);
+}
+
+void _glfwPlatformSetCursor(_GLFWwindow* window, _GLFWcursor* cursor)
+{
+    if (cursor && cursor->mir.conf)
+    {
+        mir_wait_for(mir_surface_configure_cursor(window->mir.surface, cursor->mir.conf));
+        if (cursor->mir.custom_cursor)
+        {
+            mir_buffer_stream_swap_buffers_sync(cursor->mir.custom_cursor);
+        }
+    }
+    else
+    {
+        mir_wait_for(mir_surface_configure_cursor(window->mir.surface, _glfw.mir.default_conf));
+    }
+}
+
+void _glfwPlatformGetCursorPos(_GLFWwindow* window, double* xpos, double* ypos)
+{
+    _glfwInputError(GLFW_PLATFORM_ERROR,
+                    "Mir: Unsupported function %s", __PRETTY_FUNCTION__);
+}
+
+void _glfwPlatformSetCursorPos(_GLFWwindow* window, double xpos, double ypos)
+{
+    _glfwInputError(GLFW_PLATFORM_ERROR,
+                    "Mir: Unsupported function %s", __PRETTY_FUNCTION__);
+}
+
+void _glfwPlatformSetCursorMode(_GLFWwindow* window, int mode)
+{
+    _glfwInputError(GLFW_PLATFORM_ERROR,
+                    "Mir: Unsupported function %s", __PRETTY_FUNCTION__);
+}
+
+const char* _glfwPlatformGetKeyName(int key, int scancode)
+{
+    _glfwInputError(GLFW_PLATFORM_ERROR,
+                    "Mir: Unsupported function %s", __PRETTY_FUNCTION__);
+    return NULL;
+}
+
+void _glfwPlatformSetClipboardString(_GLFWwindow* window, const char* string)
+{
+    _glfwInputError(GLFW_PLATFORM_ERROR,
+                    "Mir: Unsupported function %s", __PRETTY_FUNCTION__);
+}
+
+const char* _glfwPlatformGetClipboardString(_GLFWwindow* window)
+{
+    _glfwInputError(GLFW_PLATFORM_ERROR,
+                    "Mir: Unsupported function %s", __PRETTY_FUNCTION__);
+
+    return NULL;
+}
+
+char** _glfwPlatformGetRequiredInstanceExtensions(uint32_t* count)
+{
+    char** extensions;
+
+    *count = 0;
+
+    if (!_glfw.vk.KHR_mir_surface)
+        return NULL;
+
+    extensions = calloc(2, sizeof(char*));
+    extensions[0] = strdup("VK_KHR_surface");
+    extensions[1] = strdup("VK_KHR_mir_surface");
+
+    *count = 2;
+    return extensions;
+}
+
+int _glfwPlatformGetPhysicalDevicePresentationSupport(VkInstance instance,
+                                                      VkPhysicalDevice device,
+                                                      uint32_t queuefamily)
+{
+    PFN_vkGetPhysicalDeviceMirPresentationSupportKHR vkGetPhysicalDeviceMirPresentationSupportKHR =
+        (PFN_vkGetPhysicalDeviceMirPresentationSupportKHR)
+        vkGetInstanceProcAddr(instance, "vkGetPhysicalDeviceMirPresentationSupportKHR");
+    if (!vkGetPhysicalDeviceMirPresentationSupportKHR)
+    {
+        _glfwInputError(GLFW_API_UNAVAILABLE,
+                        "Mir: Vulkan instance missing VK_KHR_mir_surface extension");
+        return GLFW_FALSE;
+    }
+
+    return vkGetPhysicalDeviceMirPresentationSupportKHR(device,
+                                                        queuefamily,
+                                                        _glfw.mir.connection);
+}
+
+VkResult _glfwPlatformCreateWindowSurface(VkInstance instance,
+                                          _GLFWwindow* window,
+                                          const VkAllocationCallbacks* allocator,
+                                          VkSurfaceKHR* surface)
+{
+    VkResult err;
+    VkMirSurfaceCreateInfoKHR sci;
+    PFN_vkCreateMirSurfaceKHR vkCreateMirSurfaceKHR;
+
+    vkCreateMirSurfaceKHR = (PFN_vkCreateMirSurfaceKHR)
+        vkGetInstanceProcAddr(instance, "vkCreateMirSurfaceKHR");
+    if (!vkCreateMirSurfaceKHR)
+    {
+        _glfwInputError(GLFW_API_UNAVAILABLE,
+                        "Mir: Vulkan instance missing VK_KHR_mir_surface extension");
+        return VK_ERROR_EXTENSION_NOT_PRESENT;
+    }
+
+    memset(&sci, 0, sizeof(sci));
+    sci.sType = VK_STRUCTURE_TYPE_MIR_SURFACE_CREATE_INFO_KHR;
+    sci.connection = _glfw.mir.connection;
+    sci.mirSurface = window->mir.surface;
+
+    err = vkCreateMirSurfaceKHR(instance, &sci, allocator, surface);
+    if (err)
+    {
+        _glfwInputError(GLFW_PLATFORM_ERROR,
+                        "Mir: Failed to create Vulkan surface: %s",
+                        _glfwGetVulkanResultString(err));
+    }
+
+    return err;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+//////                        GLFW native API                       //////
+//////////////////////////////////////////////////////////////////////////
+
+GLFWAPI MirConnection* glfwGetMirDisplay(void)
+{
+    _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
+    return _glfw.mir.connection;
+}
+
+GLFWAPI MirSurface* glfwGetMirWindow(GLFWwindow* handle)
+{
+    _GLFWwindow* window = (_GLFWwindow*) handle;
+    _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
+    return window->mir.surface;
+}
+