849 lines
25 KiB
C
849 lines
25 KiB
C
//========================================================================
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// GLFW 3.3 Mir - www.glfw.org
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//------------------------------------------------------------------------
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// Copyright (c) 2014-2015 Brandon Schaefer <brandon.schaefer@canonical.com>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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#include "internal.h"
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#include <linux/input.h>
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#include <stdlib.h>
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#include <string.h>
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typedef struct EventNode
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{
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TAILQ_ENTRY(EventNode) entries;
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const MirEvent* event;
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_GLFWwindow* window;
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} EventNode;
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static void deleteNode(EventQueue* queue, EventNode* node)
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{
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mir_event_unref(node->event);
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free(node);
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}
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static GLFWbool emptyEventQueue(EventQueue* queue)
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{
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return queue->head.tqh_first == NULL;
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}
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// TODO The mir_event_ref is not supposed to be used but ... its needed
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// in this case. Need to wait until we can read from an FD set up by mir
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// for single threaded event handling.
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static EventNode* newEventNode(const MirEvent* event, _GLFWwindow* context)
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{
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EventNode* new_node = calloc(1, sizeof(EventNode));
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new_node->event = mir_event_ref(event);
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new_node->window = context;
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return new_node;
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}
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static void enqueueEvent(const MirEvent* event, _GLFWwindow* context)
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{
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pthread_mutex_lock(&_glfw.mir.event_mutex);
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EventNode* new_node = newEventNode(event, context);
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TAILQ_INSERT_TAIL(&_glfw.mir.event_queue->head, new_node, entries);
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pthread_cond_signal(&_glfw.mir.event_cond);
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pthread_mutex_unlock(&_glfw.mir.event_mutex);
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}
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static EventNode* dequeueEvent(EventQueue* queue)
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{
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EventNode* node = NULL;
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pthread_mutex_lock(&_glfw.mir.event_mutex);
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node = queue->head.tqh_first;
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if (node)
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TAILQ_REMOVE(&queue->head, node, entries);
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pthread_mutex_unlock(&_glfw.mir.event_mutex);
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return node;
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}
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/* FIXME Soon to be changed upstream mir! So we can use an egl config to figure out
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the best pixel format!
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*/
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static MirPixelFormat findValidPixelFormat(void)
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{
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unsigned int i, validFormats, mirPixelFormats = 32;
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MirPixelFormat formats[mir_pixel_formats];
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mir_connection_get_available_surface_formats(_glfw.mir.connection, formats,
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mirPixelFormats, &validFormats);
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for (i = 0; i < validFormats; i++)
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{
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if (formats[i] == mir_pixel_format_abgr_8888 ||
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formats[i] == mir_pixel_format_xbgr_8888 ||
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formats[i] == mir_pixel_format_argb_8888 ||
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formats[i] == mir_pixel_format_xrgb_8888)
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{
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return formats[i];
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}
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}
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return mir_pixel_format_invalid;
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}
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static int mirModToGLFWMod(uint32_t mods)
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{
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int publicMods = 0x0;
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if (mods & mir_input_event_modifier_alt)
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publicMods |= GLFW_MOD_ALT;
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else if (mods & mir_input_event_modifier_shift)
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publicMods |= GLFW_MOD_SHIFT;
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else if (mods & mir_input_event_modifier_ctrl)
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publicMods |= GLFW_MOD_CONTROL;
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else if (mods & mir_input_event_modifier_meta)
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publicMods |= GLFW_MOD_SUPER;
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return publicMods;
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}
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static int toGLFWKeyCode(uint32_t key)
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{
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if (key < sizeof(_glfw.mir.publicKeys) / sizeof(_glfw.mir.publicKeys[0]))
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return _glfw.mir.publicKeys[key];
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return GLFW_KEY_UNKNOWN;
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}
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static void handleKeyEvent(const MirKeyboardEvent* key_event, _GLFWwindow* window)
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{
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const int action = mir_keyboard_event_action (key_event);
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const int scan_code = mir_keyboard_event_scan_code(key_event);
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const int key_code = mir_keyboard_event_key_code (key_event);
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const int modifiers = mir_keyboard_event_modifiers(key_event);
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const int pressed = action == mir_keyboard_action_up ? GLFW_RELEASE : GLFW_PRESS;
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const int mods = mirModToGLFWMod(modifiers);
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const long text = _glfwKeySym2Unicode(key_code);
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const int plain = !(mods & (GLFW_MOD_CONTROL | GLFW_MOD_ALT));
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_glfwInputKey(window, toGLFWKeyCode(scan_code), scan_code, pressed, mods);
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if (text != -1)
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_glfwInputChar(window, text, mods, plain);
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}
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static void handlePointerButton(_GLFWwindow* window,
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int pressed,
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const MirPointerEvent* pointer_event)
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{
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int mods = mir_pointer_event_modifiers(pointer_event);
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const int publicMods = mirModToGLFWMod(mods);
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MirPointerButton button = mir_pointer_button_primary;
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static uint32_t oldButtonStates = 0;
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uint32_t newButtonStates = mir_pointer_event_buttons(pointer_event);
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int publicButton = GLFW_MOUSE_BUTTON_LEFT;
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// XOR our old button states our new states to figure out what was added or removed
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button = newButtonStates ^ oldButtonStates;
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switch (button)
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{
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case mir_pointer_button_primary:
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publicButton = GLFW_MOUSE_BUTTON_LEFT;
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break;
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case mir_pointer_button_secondary:
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publicButton = GLFW_MOUSE_BUTTON_RIGHT;
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break;
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case mir_pointer_button_tertiary:
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publicButton = GLFW_MOUSE_BUTTON_MIDDLE;
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break;
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case mir_pointer_button_forward:
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// FIXME What is the forward button?
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publicButton = GLFW_MOUSE_BUTTON_4;
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break;
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case mir_pointer_button_back:
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// FIXME What is the back button?
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publicButton = GLFW_MOUSE_BUTTON_5;
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break;
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default:
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break;
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}
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oldButtonStates = newButtonStates;
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_glfwInputMouseClick(window, publicButton, pressed, publicMods);
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}
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static void handlePointerMotion(_GLFWwindow* window,
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const MirPointerEvent* pointer_event)
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{
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int current_x = window->virtualCursorPosX;
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int current_y = window->virtualCursorPosY;
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int x = mir_pointer_event_axis_value(pointer_event, mir_pointer_axis_x);
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int y = mir_pointer_event_axis_value(pointer_event, mir_pointer_axis_y);
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int dx = mir_pointer_event_axis_value(pointer_event, mir_pointer_axis_hscroll);
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int dy = mir_pointer_event_axis_value(pointer_event, mir_pointer_axis_vscroll);
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_glfwInputCursorPos(window, x, y);
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if (dx != 0 || dy != 0)
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_glfwInputScroll(window, dx, dy);
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}
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static void handlePointerEvent(const MirPointerEvent* pointer_event,
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_GLFWwindow* window)
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{
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int action = mir_pointer_event_action(pointer_event);
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switch (action)
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{
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case mir_pointer_action_button_down:
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handlePointerButton(window, GLFW_PRESS, pointer_event);
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break;
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case mir_pointer_action_button_up:
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handlePointerButton(window, GLFW_RELEASE, pointer_event);
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break;
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case mir_pointer_action_motion:
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handlePointerMotion(window, pointer_event);
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break;
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case mir_pointer_action_enter:
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case mir_pointer_action_leave:
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break;
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default:
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break;
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}
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}
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static void handleInput(const MirInputEvent* input_event, _GLFWwindow* window)
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{
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int type = mir_input_event_get_type(input_event);
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switch (type)
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{
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case mir_input_event_type_key:
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handleKeyEvent(mir_input_event_get_keyboard_event(input_event), window);
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break;
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case mir_input_event_type_pointer:
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handlePointerEvent(mir_input_event_get_pointer_event(input_event), window);
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break;
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default:
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break;
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}
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}
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static void handleEvent(const MirEvent* event, _GLFWwindow* window)
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{
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int type = mir_event_get_type(event);
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switch (type)
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{
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case mir_event_type_input:
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handleInput(mir_event_get_input_event(event), window);
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break;
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default:
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break;
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}
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}
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static void addNewEvent(MirSurface* surface, const MirEvent* event, void* context)
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{
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enqueueEvent(event, context);
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}
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static GLFWbool createSurface(_GLFWwindow* window)
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{
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MirSurfaceSpec* spec;
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MirBufferUsage buffer_usage = mir_buffer_usage_hardware;
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MirPixelFormat pixel_format = findValidPixelFormat();
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if (pixel_format == mir_pixel_format_invalid)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"Mir: Unable to find a correct pixel format");
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return GLFW_FALSE;
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}
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spec = mir_connection_create_spec_for_normal_surface(_glfw.mir.connection,
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window->mir.width,
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window->mir.height,
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pixel_format);
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mir_surface_spec_set_buffer_usage(spec, buffer_usage);
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mir_surface_spec_set_name(spec, "MirSurface");
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window->mir.surface = mir_surface_create_sync(spec);
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mir_surface_spec_release(spec);
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if (!mir_surface_is_valid(window->mir.surface))
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"Mir: Unable to create surface: %s",
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mir_surface_get_error_message(window->mir.surface));
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return GLFW_FALSE;
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}
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mir_surface_set_event_handler(window->mir.surface, addNewEvent, window);
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return GLFW_TRUE;
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}
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//////////////////////////////////////////////////////////////////////////
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////// GLFW internal API //////
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//////////////////////////////////////////////////////////////////////////
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void _glfwInitEventQueueMir(EventQueue* queue)
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{
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TAILQ_INIT(&queue->head);
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}
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void _glfwDeleteEventQueueMir(EventQueue* queue)
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{
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if (queue)
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{
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EventNode* node, *node_next;
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node = queue->head.tqh_first;
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while (node != NULL)
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{
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node_next = node->entries.tqe_next;
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TAILQ_REMOVE(&queue->head, node, entries);
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deleteNode(queue, node);
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node = node_next;
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}
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free(queue);
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}
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}
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//////////////////////////////////////////////////////////////////////////
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////// GLFW platform API //////
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//////////////////////////////////////////////////////////////////////////
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int _glfwPlatformCreateWindow(_GLFWwindow* window,
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const _GLFWwndconfig* wndconfig,
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const _GLFWctxconfig* ctxconfig,
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const _GLFWfbconfig* fbconfig)
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{
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if (window->monitor)
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{
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GLFWvidmode mode;
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_glfwPlatformGetVideoMode(window->monitor, &mode);
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mir_surface_set_state(window->mir.surface, mir_surface_state_fullscreen);
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if (wndconfig->width > mode.width || wndconfig->height > mode.height)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"Mir: Requested surface size too large: %ix%i",
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wndconfig->width, wndconfig->height);
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return GLFW_FALSE;
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}
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}
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window->mir.width = wndconfig->width;
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window->mir.height = wndconfig->height;
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if (!createSurface(window))
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return GLFW_FALSE;
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window->mir.window = mir_buffer_stream_get_egl_native_window(
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mir_surface_get_buffer_stream(window->mir.surface));
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if (ctxconfig->client != GLFW_NO_API)
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{
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if (!_glfwInitEGL())
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return GLFW_FALSE;
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if (!_glfwCreateContextEGL(window, ctxconfig, fbconfig))
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return GLFW_FALSE;
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}
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return GLFW_TRUE;
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}
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void _glfwPlatformDestroyWindow(_GLFWwindow* window)
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{
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if (mir_surface_is_valid(window->mir.surface))
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{
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mir_surface_release_sync(window->mir.surface);
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window->mir.surface = NULL;
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}
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if (window->context.destroy)
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window->context.destroy(window);
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}
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void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char* title)
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{
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MirSurfaceSpec* spec;
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const char* e_title = title ? title : "";
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spec = mir_connection_create_spec_for_changes(_glfw.mir.connection);
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mir_surface_spec_set_name(spec, e_title);
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mir_surface_apply_spec(window->mir.surface, spec);
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mir_surface_spec_release(spec);
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}
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void _glfwPlatformSetWindowIcon(_GLFWwindow* window,
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int count, const GLFWimage* images)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"Mir: Unsupported function %s", __PRETTY_FUNCTION__);
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}
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void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height)
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{
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MirSurfaceSpec* spec;
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spec = mir_connection_create_spec_for_changes(_glfw.mir.connection);
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mir_surface_spec_set_width (spec, width);
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mir_surface_spec_set_height(spec, height);
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mir_surface_apply_spec(window->mir.surface, spec);
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mir_surface_spec_release(spec);
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}
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void _glfwPlatformSetWindowSizeLimits(_GLFWwindow* window,
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int minwidth, int minheight,
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int maxwidth, int maxheight)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"Mir: Unsupported function %s", __PRETTY_FUNCTION__);
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}
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void _glfwPlatformSetWindowAspectRatio(_GLFWwindow* window, int numer, int denom)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"Mir: Unsupported function %s", __PRETTY_FUNCTION__);
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}
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void _glfwPlatformSetWindowPos(_GLFWwindow* window, int xpos, int ypos)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"Mir: Unsupported function %s", __PRETTY_FUNCTION__);
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}
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void _glfwPlatformGetWindowFrameSize(_GLFWwindow* window,
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int* left, int* top,
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int* right, int* bottom)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"Mir: Unsupported function %s", __PRETTY_FUNCTION__);
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}
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void _glfwPlatformGetWindowPos(_GLFWwindow* window, int* xpos, int* ypos)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"Mir: Unsupported function %s", __PRETTY_FUNCTION__);
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}
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void _glfwPlatformGetWindowSize(_GLFWwindow* window, int* width, int* height)
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{
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if (width)
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*width = window->mir.width;
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if (height)
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*height = window->mir.height;
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}
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void _glfwPlatformIconifyWindow(_GLFWwindow* window)
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{
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mir_surface_set_state(window->mir.surface, mir_surface_state_minimized);
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}
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void _glfwPlatformRestoreWindow(_GLFWwindow* window)
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{
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mir_surface_set_state(window->mir.surface, mir_surface_state_restored);
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}
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void _glfwPlatformMaximizeWindow(_GLFWwindow* window)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"Mir: Unsupported function %s", __PRETTY_FUNCTION__);
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}
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void _glfwPlatformHideWindow(_GLFWwindow* window)
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{
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MirSurfaceSpec* spec;
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spec = mir_connection_create_spec_for_changes(_glfw.mir.connection);
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mir_surface_spec_set_state(spec, mir_surface_state_hidden);
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mir_surface_apply_spec(window->mir.surface, spec);
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mir_surface_spec_release(spec);
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}
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void _glfwPlatformShowWindow(_GLFWwindow* window)
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{
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MirSurfaceSpec* spec;
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spec = mir_connection_create_spec_for_changes(_glfw.mir.connection);
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mir_surface_spec_set_state(spec, mir_surface_state_restored);
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mir_surface_apply_spec(window->mir.surface, spec);
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mir_surface_spec_release(spec);
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}
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void _glfwPlatformFocusWindow(_GLFWwindow* window)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"Mir: Unsupported function %s", __PRETTY_FUNCTION__);
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}
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|
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void _glfwPlatformSetWindowMonitor(_GLFWwindow* window,
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_GLFWmonitor* monitor,
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int xpos, int ypos,
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int width, int height,
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int refreshRate)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"Mir: Unsupported function %s", __PRETTY_FUNCTION__);
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}
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|
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int _glfwPlatformWindowFocused(_GLFWwindow* window)
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{
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_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, ®ion);
|
|
|
|
// 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;
|
|
}
|
|
|