2015-10-24 06:29:05 +00:00
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/*
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* GStreamer
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* Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/gst.h>
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#include <locale.h>
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#include "vkwindow_xcb.h"
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#include "vkdisplay_xcb.h"
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#define GST_VULKAN_WINDOW_XCB_GET_PRIVATE(o) \
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(G_TYPE_INSTANCE_GET_PRIVATE((o), GST_TYPE_VULKAN_WINDOW_XCB, GstVulkanWindowXCBPrivate))
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#define GST_CAT_DEFAULT gst_vulkan_window_xcb_debug
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GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
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static void
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_init_debug (void)
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{
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static volatile gsize _init = 0;
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if (g_once_init_enter (&_init)) {
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GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "vulkanwindowxcb", 0,
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"Vulkan XCB Window");
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g_once_init_leave (&_init, 1);
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}
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}
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#define gst_vulkan_window_xcb_parent_class parent_class
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G_DEFINE_TYPE_WITH_CODE (GstVulkanWindowXCB, gst_vulkan_window_xcb,
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GST_TYPE_VULKAN_WINDOW, _init_debug ());
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gboolean gst_vulkan_window_xcb_handle_event (GstVulkanWindowXCB * window_xcb);
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enum
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{
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PROP_0,
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};
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struct _GstVulkanWindowXCBPrivate
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{
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gboolean activate;
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gboolean activate_result;
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gint preferred_width;
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gint preferred_height;
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xcb_intern_atom_reply_t *atom_wm_delete_window;
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};
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static gpointer gst_vulkan_window_xcb_get_platform_window (GstVulkanWindow *
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window);
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gboolean gst_vulkan_window_xcb_open (GstVulkanWindow * window, GError ** error);
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void gst_vulkan_window_xcb_close (GstVulkanWindow * window);
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static void
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gst_vulkan_window_xcb_finalize (GObject * object)
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{
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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gst_vulkan_window_xcb_class_init (GstVulkanWindowXCBClass * klass)
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{
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GObjectClass *obj_class = G_OBJECT_CLASS (klass);
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GstVulkanWindowClass *window_class = (GstVulkanWindowClass *) klass;
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g_type_class_add_private (klass, sizeof (GstVulkanWindowXCBPrivate));
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obj_class->finalize = gst_vulkan_window_xcb_finalize;
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window_class->open = GST_DEBUG_FUNCPTR (gst_vulkan_window_xcb_open);
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window_class->close = GST_DEBUG_FUNCPTR (gst_vulkan_window_xcb_close);
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window_class->get_platform_handle = gst_vulkan_window_xcb_get_platform_window;
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}
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static void
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gst_vulkan_window_xcb_init (GstVulkanWindowXCB * window)
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{
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window->priv = GST_VULKAN_WINDOW_XCB_GET_PRIVATE (window);
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}
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/* Must be called in the gl thread */
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GstVulkanWindowXCB *
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gst_vulkan_window_xcb_new (GstVulkanDisplay * display)
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{
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_init_debug ();
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if ((gst_vulkan_display_get_handle_type (display) &
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GST_VULKAN_DISPLAY_TYPE_XCB)
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== GST_VULKAN_DISPLAY_TYPE_NONE) {
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GST_INFO ("Wrong display type %u for this window type %u", display->type,
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GST_VULKAN_DISPLAY_TYPE_XCB);
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return NULL;
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}
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return g_object_new (GST_TYPE_VULKAN_WINDOW_XCB, NULL);
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}
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static void
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gst_vulkan_window_xcb_show (GstVulkanWindow * window)
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{
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GstVulkanWindowXCB *window_xcb = GST_VULKAN_WINDOW_XCB (window);
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GstVulkanDisplayXCB *display_xcb = GST_VULKAN_DISPLAY_XCB (window->display);
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xcb_connection_t *connection = display_xcb->platform_handle.connection;
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if (!window_xcb->visible) {
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xcb_map_window (connection, window_xcb->win_id);
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window_xcb->visible = TRUE;
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}
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}
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static void
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gst_vulkan_window_xcb_hide (GstVulkanWindow * window)
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{
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GstVulkanWindowXCB *window_xcb = GST_VULKAN_WINDOW_XCB (window);
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GstVulkanDisplayXCB *display_xcb = GST_VULKAN_DISPLAY_XCB (window->display);
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xcb_connection_t *connection = display_xcb->platform_handle.connection;
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if (window_xcb->visible) {
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xcb_unmap_window (connection, window_xcb->win_id);
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window_xcb->visible = FALSE;
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}
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}
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gboolean
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gst_vulkan_window_xcb_create_window (GstVulkanWindowXCB * window_xcb)
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{
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GstVulkanDisplayXCB *display_xcb;
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xcb_connection_t *connection;
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xcb_screen_t *screen;
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xcb_window_t root_window;
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uint32_t value_mask, value_list[32];
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xcb_intern_atom_cookie_t cookie, cookie2;
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xcb_intern_atom_reply_t *reply, *reply2;
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// const gchar *title = "OpenGL renderer";
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gint x = 0, y = 0, width = 320, height = 240;
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display_xcb =
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GST_VULKAN_DISPLAY_XCB (GST_VULKAN_WINDOW (window_xcb)->display);
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connection = GST_VULKAN_DISPLAY_XCB_CONNECTION (display_xcb);
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root_window = GST_VULKAN_DISPLAY_XCB_ROOT_WINDOW (display_xcb);
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screen = GST_VULKAN_DISPLAY_XCB_SCREEN (display_xcb);
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window_xcb->win_id = xcb_generate_id (connection);
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value_mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK;
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value_list[0] = screen->black_pixel;
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2015-12-01 05:28:28 +00:00
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value_list[1] =
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XCB_EVENT_MASK_KEY_RELEASE | XCB_EVENT_MASK_EXPOSURE |
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XCB_EVENT_MASK_STRUCTURE_NOTIFY;
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2015-10-24 06:29:05 +00:00
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xcb_create_window (connection, XCB_COPY_FROM_PARENT, window_xcb->win_id,
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root_window, x, y, width, height, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
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screen->root_visual, value_mask, value_list);
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GST_LOG_OBJECT (window_xcb, "gl window id: %p",
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(gpointer) (guintptr) window_xcb->win_id);
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GST_LOG_OBJECT (window_xcb, "gl window props: x:%d y:%d", x, y);
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/* Magic code that will send notification when window is destroyed */
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cookie = xcb_intern_atom (connection, 1, 12, "WM_PROTOCOLS");
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reply = xcb_intern_atom_reply (connection, cookie, 0);
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cookie2 = xcb_intern_atom (connection, 0, 16, "WM_DELETE_WINDOW");
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reply2 = xcb_intern_atom_reply (connection, cookie2, 0);
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xcb_change_property (connection, XCB_PROP_MODE_REPLACE, window_xcb->win_id,
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reply->atom, 4, 32, 1, &reply2->atom);
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g_free (reply);
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g_free (reply2);
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gst_vulkan_window_xcb_show (GST_VULKAN_WINDOW (window_xcb));
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return TRUE;
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}
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static gpointer
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gst_vulkan_window_xcb_get_platform_window (GstVulkanWindow * window)
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{
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return &GST_VULKAN_WINDOW_XCB (window)->win_id;
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}
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gboolean
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gst_vulkan_window_xcb_open (GstVulkanWindow * window, GError ** error)
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{
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GstVulkanWindowXCB *window_xcb = GST_VULKAN_WINDOW_XCB (window);
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GstVulkanDisplayXCB *display_xcb = (GstVulkanDisplayXCB *) window->display;
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xcb_connection_t *connection;
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connection = display_xcb->platform_handle.connection;
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if (connection == NULL) {
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g_set_error (error, GST_VULKAN_WINDOW_ERROR,
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GST_VULKAN_WINDOW_ERROR_RESOURCE_UNAVAILABLE,
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"Failed to connect to X display server with XCB");
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goto failure;
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}
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if (!GST_VULKAN_WINDOW_CLASS (parent_class)->open (window, error))
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return FALSE;
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return gst_vulkan_window_xcb_create_window (window_xcb);
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failure:
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return FALSE;
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}
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void
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gst_vulkan_window_xcb_close (GstVulkanWindow * window)
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{
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GstVulkanWindowXCB *window_xcb = GST_VULKAN_WINDOW_XCB (window);
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GstVulkanDisplayXCB *display_xcb = (GstVulkanDisplayXCB *) window->display;
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xcb_connection_t *connection =
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GST_VULKAN_DISPLAY_XCB_CONNECTION (display_xcb);
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if (connection) {
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gst_vulkan_window_xcb_hide (window);
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g_free (window_xcb->priv->atom_wm_delete_window);
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window_xcb->priv->atom_wm_delete_window = NULL;
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GST_DEBUG ("display receiver closed");
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}
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GST_VULKAN_WINDOW_CLASS (parent_class)->close (window);
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}
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