mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-10-07 19:22:15 +00:00
597 lines
16 KiB
C
597 lines
16 KiB
C
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/*
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* GStreamer
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* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, 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 "gstglwindow.h"
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#include <GL/glx.h>
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//#define WM_GSTGLWINDOW (WM_APP+1)
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//void gst_gl_window_set_pixel_format (GstGLWindow *window);
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//LRESULT CALLBACK window_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
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//LRESULT FAR PASCAL sub_class_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
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#define GST_GL_WINDOW_GET_PRIVATE(o) \
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(G_TYPE_INSTANCE_GET_PRIVATE((o), GST_GL_TYPE_WINDOW, GstGLWindowPrivate))
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enum
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{
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ARG_0,
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ARG_DISPLAY
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};
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struct _GstGLWindowPrivate
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{
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gchar *display_name;
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Display *device;
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gint screen;
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Window root;
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gint device_width;
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gint device_height;
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gint connection;
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Atom atom_delete_window;
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XVisualInfo *visual_info;
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Window internal_win_id;
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GLXContext gl_context;
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GstGLWindowCB draw_cb;
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gpointer draw_data;
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GstGLWindowCB2 resize_cb;
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gpointer resize_data;
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GstGLWindowCB close_cb;
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gpointer close_data;
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gboolean is_closed;
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};
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G_DEFINE_TYPE (GstGLWindow, gst_gl_window, G_TYPE_OBJECT);
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#undef G_LOG_DOMAIN
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#define G_LOG_DOMAIN "GstGLWindow"
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gboolean _gst_gl_window_debug = FALSE;
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/* Must be called in the gl thread */
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static void
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gst_gl_window_finalize (GObject * object)
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{
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G_OBJECT_CLASS (gst_gl_window_parent_class)->finalize (object);
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}
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static void
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gst_gl_window_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstGLWindow *window;
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GstGLWindowPrivate *priv = window->priv;
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g_return_if_fail (GST_GL_IS_WINDOW (object));
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window = GST_GL_WINDOW (object);
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priv = window->priv;
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switch (prop_id) {
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case ARG_DISPLAY:
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priv->display_name = g_strdup (g_value_get_string (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_gl_window_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstGLWindow *window;
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GstGLWindowPrivate *priv = window->priv;
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g_return_if_fail (GST_GL_IS_WINDOW (object));
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window = GST_GL_WINDOW (object);
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priv = window->priv;
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switch (prop_id) {
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case ARG_DISPLAY:
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g_value_set_string (value, priv->display_name);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_gl_window_log_handler (const gchar *domain, GLogLevelFlags flags,
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const gchar *message, gpointer user_data)
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{
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if (_gst_gl_window_debug) {
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g_log_default_handler (domain, flags, message, user_data);
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}
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}
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static void
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gst_gl_window_class_init (GstGLWindowClass * klass)
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{
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GObjectClass *obj_class = G_OBJECT_CLASS (klass);
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g_type_class_add_private (klass, sizeof (GstGLWindowPrivate));
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obj_class->finalize = gst_gl_window_finalize;
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obj_class->set_property = gst_gl_window_set_property;
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obj_class->get_property = gst_gl_window_get_property;
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g_object_class_install_property (obj_class, ARG_DISPLAY,
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g_param_spec_string ("display", "Display", "X Display name", NULL,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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}
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static void
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gst_gl_window_init (GstGLWindow *window)
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{
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window->priv = GST_GL_WINDOW_GET_PRIVATE (window);
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if (g_getenv ("GST_GL_WINDOW_DEBUG") != NULL)
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_gst_gl_window_debug = TRUE;
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g_log_set_handler ("GstGLWindow", G_LOG_LEVEL_DEBUG,
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gst_gl_window_log_handler, NULL);
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}
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/* Must be called in the gl thread */
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GstGLWindow *
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gst_gl_window_new (gint width, gint height)
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{
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GstGLWindow *window = g_object_new (GST_GL_TYPE_WINDOW, NULL);
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GstGLWindowPrivate *priv = window->priv;
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gint attrib[] = {
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GLX_RGBA,
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GLX_RED_SIZE, 1, GLX_GREEN_SIZE, 1, GLX_BLUE_SIZE, 1,
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GLX_DOUBLEBUFFER,
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GLX_DEPTH_SIZE, 1,
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None
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};
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XSetWindowAttributes win_attr;
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XTextProperty text_property;
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XSizeHints size_hints;
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XWMHints wm_hints;
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unsigned long mask;
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const gchar *title = "OpenGL renderer";
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static gint x = 0;
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static gint y = 0;
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x += 20;
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y += 20;
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priv->device = XOpenDisplay (priv->display_name);
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priv->screen = DefaultScreen (priv->device);
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priv->root = RootWindow (priv->device, priv->screen);
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priv->device_width = DisplayWidth (priv->device, priv->screen);
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priv->device_height = DisplayHeight (priv->device, priv->screen);
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priv->connection = ConnectionNumber (priv->device);
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priv->atom_delete_window = XInternAtom (priv->device, "WM_DELETE_WINDOW", FALSE);
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priv->visual_info = glXChooseVisual (priv->device, priv->screen, attrib);
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win_attr.event_mask =
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StructureNotifyMask | SubstructureNotifyMask | ExposureMask |
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ButtonPressMask | ButtonReleaseMask | KeyPressMask | KeyReleaseMask |
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VisibilityChangeMask | EnterWindowMask | LeaveWindowMask |
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PointerMotionMask | ButtonMotionMask;
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win_attr.background_pixmap = None;
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win_attr.background_pixel = 0;
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win_attr.border_pixel = 0;
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win_attr.colormap = XCreateColormap(priv->device, priv->root, priv->visual_info->visual, AllocNone);
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mask = CWBackPixmap | CWBorderPixel | CWColormap | CWEventMask;
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priv->internal_win_id = XCreateWindow (priv->device, priv->root, x, y,
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width, height, 0, priv->visual_info->depth, InputOutput,
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priv->visual_info->visual, mask, &win_attr);
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priv->gl_context = glXCreateContext (priv->device, priv->visual_info, NULL, TRUE);
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if (!glXIsDirect(priv->device, priv->gl_context))
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g_debug ("direct rendering failed\n");
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size_hints.flags = USPosition | USSize;
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size_hints.x = x;
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size_hints.y = y;
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size_hints.width = width;
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size_hints.height= height;
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wm_hints.flags = StateHint;
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wm_hints.initial_state = NormalState;
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XStringListToTextProperty ((char**)&title, 1, &text_property);
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XSetWMProperties (priv->device, priv->internal_win_id, &text_property, &text_property, 0, 0,
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&size_hints, &wm_hints, NULL);
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XFree (text_property.value);
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XSetWMProtocols (priv->device, priv->internal_win_id, &priv->atom_delete_window, 1);
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glXMakeCurrent (priv->device, priv->internal_win_id, priv->gl_context);
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return window;
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}
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GQuark
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gst_gl_window_error_quark (void)
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{
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return g_quark_from_static_string ("gst-gl-window-error");
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}
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void
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gst_gl_window_set_external_window_id (GstGLWindow *window, guint64 id)
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{
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/*stGLWindowPrivate *priv = window->priv;
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WNDPROC window_parent_proc = (WNDPROC) (guint64) GetWindowLongPtr((HWND)id, GWL_WNDPROC);
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RECT rect;
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SetProp (priv->internal_win_id, "gl_window_parent_id", (HWND)id);
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SetProp ((HWND)id, "gl_window_id", priv->internal_win_id);
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SetProp ((HWND)id, "gl_window_parent_proc", (WNDPROC) window_parent_proc);
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SetWindowLongPtr ((HWND)id, GWL_WNDPROC, (DWORD) (guint64) sub_class_proc);
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SetWindowLongPtr (priv->internal_win_id, GWL_STYLE, WS_CHILD | WS_MAXIMIZE);
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SetParent (priv->internal_win_id, (HWND)id);
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//take changes into account: SWP_FRAMECHANGED
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GetClientRect ((HWND)id, &rect);
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SetWindowPos (priv->internal_win_id, HWND_TOP, rect.left, rect.top, rect.right, rect.bottom,
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SWP_ASYNCWINDOWPOS | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED | SWP_NOACTIVATE);
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MoveWindow (priv->internal_win_id, rect.left, rect.top, rect.right, rect.bottom, FALSE);*/
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}
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void
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gst_gl_window_set_external_gl_context (GstGLWindow *window, guint64 context)
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{
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g_warning ("gst_gl_window_set_external_gl_context: not implemented\n");
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}
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/* Must be called in the gl thread */
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void
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gst_gl_window_set_draw_callback (GstGLWindow *window, GstGLWindowCB callback, gpointer data)
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{
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GstGLWindowPrivate *priv = window->priv;
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priv->draw_cb = callback;
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priv->draw_data = data;
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}
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/* Must be called in the gl thread */
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void
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gst_gl_window_set_resize_callback (GstGLWindow *window, GstGLWindowCB2 callback , gpointer data)
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{
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GstGLWindowPrivate *priv = window->priv;
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priv->resize_cb = callback;
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priv->resize_data = data;
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}
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/* Must be called in the gl thread */
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void
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gst_gl_window_set_close_callback (GstGLWindow *window, GstGLWindowCB callback, gpointer data)
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{
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GstGLWindowPrivate *priv = window->priv;
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priv->close_cb = callback;
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priv->close_data = data;
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}
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/* Thread safe */
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void
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gst_gl_window_visible (GstGLWindow *window, gboolean visible)
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{
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/*GstGLWindowPrivate *priv = window->priv;
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BOOL ret = FALSE;
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g_debug ("set visible %d\n", priv->internal_win_id);
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if (visible)
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ret = ShowWindowAsync (priv->internal_win_id, SW_SHOW);
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else
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ret = ShowWindowAsync (priv->internal_win_id, SW_HIDE);*/
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}
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/* Thread safe */
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void
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gst_gl_window_draw (GstGLWindow *window)
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{
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/*GstGLWindowPrivate *priv = window->priv;
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RedrawWindow (priv->internal_win_id, NULL, NULL,
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RDW_NOERASE | RDW_INTERNALPAINT | RDW_INVALIDATE);*/
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}
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void
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gst_gl_window_run_loop (GstGLWindow *window)
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{
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/*GstGLWindowPrivate *priv = window->priv;
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gboolean running = TRUE;
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gboolean bRet = FALSE;
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MSG msg;
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g_debug ("begin loop\n");
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while (running && (bRet = GetMessage (&msg, NULL, 0, 0)) != 0)
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{
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if (bRet == -1)
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{
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g_error ("Failed to get message %x\r\n", GetLastError());
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running = FALSE;
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}
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else
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{
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TranslateMessage (&msg);
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DispatchMessage (&msg);
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}
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}
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g_debug ("end loop\n");*/
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}
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/* Thread safe */
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void
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gst_gl_window_quit_loop (GstGLWindow *window)
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{
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/*if (window)
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{
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GstGLWindowPrivate *priv = window->priv;
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LRESULT res = PostMessage(priv->internal_win_id, WM_CLOSE, 0, 0);
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g_assert (SUCCEEDED (res));
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g_debug ("end loop requested\n");
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}*/
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}
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/* Thread safe */
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void
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gst_gl_window_send_message (GstGLWindow *window, GstGLWindowCB callback, gpointer data)
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{
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/*if (window)
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{
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GstGLWindowPrivate *priv = window->priv;
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LRESULT res = SendMessage (priv->internal_win_id, WM_GSTGLWINDOW, (WPARAM) data, (LPARAM) callback);
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g_assert (SUCCEEDED (res));
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}*/
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}
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/* PRIVATE */
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/*
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void
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gst_gl_window_set_pixel_format (GstGLWindow *window)
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{
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GstGLWindowPrivate *priv = window->priv;
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PIXELFORMATDESCRIPTOR pfd;
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gint pixelformat = 0;
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gboolean res = FALSE;
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pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
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pfd.nVersion = 1;
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pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
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pfd.iPixelType = PFD_TYPE_RGBA;
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pfd.cColorBits = 24;
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pfd.cRedBits = 0;
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pfd.cRedShift = 0;
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pfd.cGreenBits = 0;
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pfd.cGreenShift = 0;
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pfd.cBlueBits = 0;
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pfd.cBlueShift = 0;
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pfd.cAlphaBits = 0;
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pfd.cAlphaShift = 0;
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pfd.cAccumBits = 0;
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pfd.cAccumRedBits = 0;
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pfd.cAccumGreenBits = 0;
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pfd.cAccumBlueBits = 0;
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pfd.cAccumAlphaBits = 0;
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pfd.cDepthBits = 32;
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pfd.cStencilBits = 8;
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pfd.cAuxBuffers = 0;
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pfd.iLayerType = PFD_MAIN_PLANE;
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pfd.bReserved = 0;
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pfd.dwLayerMask = 0;
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pfd.dwVisibleMask = 0;
|
||
|
pfd.dwDamageMask = 0;
|
||
|
|
||
|
pfd.cColorBits = (BYTE) GetDeviceCaps (priv->device, BITSPIXEL);
|
||
|
|
||
|
pixelformat = ChoosePixelFormat (priv->device, &pfd );
|
||
|
|
||
|
g_assert (pixelformat);
|
||
|
|
||
|
res = SetPixelFormat (priv->device, pixelformat, &pfd);
|
||
|
|
||
|
g_assert (res);
|
||
|
}*/
|
||
|
/*
|
||
|
LRESULT CALLBACK window_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
|
||
|
{
|
||
|
if (uMsg == WM_CREATE) {
|
||
|
|
||
|
GstGLWindow *window = (GstGLWindow *) (((LPCREATESTRUCT) lParam)->lpCreateParams);
|
||
|
|
||
|
g_debug ("WM_CREATE\n");
|
||
|
|
||
|
g_assert (window);
|
||
|
|
||
|
{
|
||
|
GstGLWindowPrivate *priv = window->priv;
|
||
|
priv->device = GetDC (hWnd);
|
||
|
gst_gl_window_set_pixel_format (window);
|
||
|
priv->gl_context = wglCreateContext (priv->device);
|
||
|
if (priv->gl_context)
|
||
|
g_debug ("gl context created: %d\n", priv->gl_context);
|
||
|
else
|
||
|
g_debug ("failed to create glcontext %d, %x\r\n", hWnd, GetLastError());
|
||
|
g_assert (priv->gl_context);
|
||
|
ReleaseDC (hWnd, priv->device);
|
||
|
if (!wglMakeCurrent (priv->device, priv->gl_context))
|
||
|
g_debug ("failed to make opengl context current %d, %x\r\n", hWnd, GetLastError());
|
||
|
}
|
||
|
|
||
|
SetProp (hWnd, "gl_window", window);
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
else if (GetProp(hWnd, "gl_window")) {
|
||
|
|
||
|
GstGLWindow *window = GetProp(hWnd, "gl_window");
|
||
|
GstGLWindowPrivate *priv = NULL;
|
||
|
|
||
|
g_assert (window);
|
||
|
|
||
|
priv = window->priv;
|
||
|
|
||
|
g_assert (priv);
|
||
|
|
||
|
g_assert (priv->internal_win_id == hWnd);
|
||
|
|
||
|
g_assert (priv->gl_context == wglGetCurrentContext());
|
||
|
|
||
|
switch ( uMsg ) {
|
||
|
|
||
|
case WM_SIZE:
|
||
|
{
|
||
|
if (priv->resize_cb)
|
||
|
priv->resize_cb (priv->resize_data, LOWORD(lParam), HIWORD(lParam));
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
case WM_PAINT:
|
||
|
{
|
||
|
if (priv->draw_cb)
|
||
|
{
|
||
|
PAINTSTRUCT ps;
|
||
|
BeginPaint (hWnd, &ps);
|
||
|
priv->draw_cb (priv->draw_data);
|
||
|
SwapBuffers (priv->device);
|
||
|
EndPaint (hWnd, &ps);
|
||
|
}
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
case WM_CLOSE:
|
||
|
{
|
||
|
HWND parent_id = 0;
|
||
|
|
||
|
g_debug ("WM_CLOSE\n");
|
||
|
|
||
|
parent_id = GetProp (hWnd, "gl_window_parent_id");
|
||
|
if (parent_id)
|
||
|
{
|
||
|
WNDPROC parent_proc = GetProp (parent_id, "gl_window_parent_proc");
|
||
|
|
||
|
g_assert (parent_proc);
|
||
|
|
||
|
SetWindowLongPtr (parent_id, GWL_WNDPROC, (LONG) (guint64) parent_proc);
|
||
|
SetParent (hWnd, NULL);
|
||
|
|
||
|
RemoveProp (parent_id, "gl_window_parent_proc");
|
||
|
RemoveProp (hWnd, "gl_window_parent_id");
|
||
|
}
|
||
|
|
||
|
priv->is_closed = TRUE;
|
||
|
RemoveProp (hWnd, "gl_window");
|
||
|
|
||
|
if (!wglMakeCurrent (NULL, NULL))
|
||
|
g_debug ("failed to make current %d, %x\r\n", hWnd, GetLastError());
|
||
|
|
||
|
if (priv->gl_context)
|
||
|
{
|
||
|
if (!wglDeleteContext (priv->gl_context))
|
||
|
g_debug ("failed to destroy context %d, %x\r\n", priv->gl_context, GetLastError());
|
||
|
}
|
||
|
|
||
|
if (priv->internal_win_id)
|
||
|
{
|
||
|
g_debug ("BEFORE\n");
|
||
|
if (!DestroyWindow(priv->internal_win_id))
|
||
|
g_debug ("failed to destroy window %d, %x\r\n", hWnd, GetLastError());
|
||
|
g_debug ("AFTER\n");
|
||
|
}
|
||
|
|
||
|
PostQuitMessage (0);
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
case WM_CAPTURECHANGED:
|
||
|
{
|
||
|
g_debug ("WM_CAPTURECHANGED\n");
|
||
|
if (priv->draw_cb)
|
||
|
priv->draw_cb (priv->draw_data);
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
case WM_GSTGLWINDOW:
|
||
|
{
|
||
|
if (priv->is_closed && priv->close_cb)
|
||
|
priv->close_cb (priv->close_data);
|
||
|
else
|
||
|
{
|
||
|
GstGLWindowCB custom_cb = (GstGLWindowCB) lParam;
|
||
|
custom_cb ((gpointer) wParam);
|
||
|
}
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
case WM_ERASEBKGND:
|
||
|
return TRUE;
|
||
|
|
||
|
default:
|
||
|
return DefWindowProc( hWnd, uMsg, wParam, lParam );
|
||
|
}
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
else
|
||
|
return DefWindowProc( hWnd, uMsg, wParam, lParam );
|
||
|
}
|
||
|
|
||
|
LRESULT FAR PASCAL sub_class_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
|
||
|
{
|
||
|
WNDPROC window_parent_proc = GetProp (hWnd, "gl_window_parent_proc");
|
||
|
|
||
|
if (uMsg == WM_SIZE)
|
||
|
{
|
||
|
HWND gl_window_id = GetProp (hWnd, "gl_window_id");
|
||
|
MoveWindow (gl_window_id, 0, 0, LOWORD(lParam), HIWORD(lParam), FALSE);
|
||
|
}
|
||
|
|
||
|
return CallWindowProc (window_parent_proc, hWnd, uMsg, wParam, lParam);
|
||
|
}
|
||
|
*/
|