mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-25 17:50:36 +00:00
701 lines
19 KiB
C
701 lines
19 KiB
C
/*
|
|
* GStreamer
|
|
* Copyright (C) 2009 Julien Isorce <julien.isorce@gmail.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include "gstglwindow.h"
|
|
|
|
#define WM_GST_GL_WINDOW_CUSTOM (WM_APP+1)
|
|
#define WM_GST_GL_WINDOW_QUIT (WM_APP+2)
|
|
|
|
LRESULT CALLBACK window_proc (HWND hWnd, UINT uMsg, WPARAM wParam,
|
|
LPARAM lParam);
|
|
LRESULT FAR PASCAL sub_class_proc (HWND hWnd, UINT uMsg, WPARAM wParam,
|
|
LPARAM lParam);
|
|
|
|
const gchar *EGLErrorString ();
|
|
|
|
#define GST_GL_WINDOW_GET_PRIVATE(o) \
|
|
(G_TYPE_INSTANCE_GET_PRIVATE((o), GST_GL_TYPE_WINDOW, GstGLWindowPrivate))
|
|
|
|
enum
|
|
{
|
|
PROP_0
|
|
};
|
|
|
|
struct _GstGLWindowPrivate
|
|
{
|
|
EGLNativeWindowType internal_win_id;
|
|
EGLDisplay display;
|
|
EGLSurface surface;
|
|
EGLContext gl_context;
|
|
EGLContext external_gl_context;
|
|
GstGLWindowCB draw_cb;
|
|
gpointer draw_data;
|
|
GstGLWindowCB2 resize_cb;
|
|
gpointer resize_data;
|
|
GstGLWindowCB close_cb;
|
|
gpointer close_data;
|
|
gboolean is_closed;
|
|
gboolean visible;
|
|
};
|
|
|
|
G_DEFINE_TYPE (GstGLWindow, gst_gl_window, G_TYPE_OBJECT);
|
|
|
|
#undef G_LOG_DOMAIN
|
|
#define G_LOG_DOMAIN "GstGLWindow"
|
|
|
|
gboolean _gst_gl_window_debug = FALSE;
|
|
|
|
void
|
|
gst_gl_window_init_platform ()
|
|
{
|
|
}
|
|
|
|
HHOOK hHook;
|
|
|
|
/* Must be called in the gl thread */
|
|
static void
|
|
gst_gl_window_finalize (GObject * object)
|
|
{
|
|
GstGLWindow *window = GST_GL_WINDOW (object);
|
|
GstGLWindowPrivate *priv = window->priv;
|
|
|
|
G_OBJECT_CLASS (gst_gl_window_parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
gst_gl_window_log_handler (const gchar * domain, GLogLevelFlags flags,
|
|
const gchar * message, gpointer user_data)
|
|
{
|
|
if (_gst_gl_window_debug) {
|
|
g_log_default_handler (domain, flags, message, user_data);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_gl_window_base_init (gpointer g_class)
|
|
{
|
|
}
|
|
|
|
static void
|
|
gst_gl_window_class_init (GstGLWindowClass * klass)
|
|
{
|
|
GObjectClass *obj_class = G_OBJECT_CLASS (klass);
|
|
WNDCLASS wc;
|
|
ATOM atom = 0;
|
|
HINSTANCE hinstance = GetModuleHandle (NULL);
|
|
|
|
g_type_class_add_private (klass, sizeof (GstGLWindowPrivate));
|
|
|
|
obj_class->finalize = gst_gl_window_finalize;
|
|
|
|
atom = GetClassInfo (hinstance, "GSTGL", &wc);
|
|
|
|
if (atom == 0) {
|
|
ZeroMemory (&wc, sizeof (WNDCLASS));
|
|
|
|
wc.lpfnWndProc = window_proc;
|
|
wc.cbClsExtra = 0;
|
|
wc.cbWndExtra = 0;
|
|
wc.hInstance = hinstance;
|
|
wc.hIcon = LoadIcon (NULL, IDI_WINLOGO);
|
|
wc.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
|
|
wc.hCursor = LoadCursor (NULL, IDC_ARROW);
|
|
wc.hbrBackground = (HBRUSH) GetStockObject (BLACK_BRUSH);
|
|
wc.lpszMenuName = NULL;
|
|
wc.lpszClassName = "GSTGL";
|
|
|
|
atom = RegisterClass (&wc);
|
|
|
|
if (atom == 0)
|
|
g_error ("Failed to register window class %lud\n", GetLastError ());
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_gl_window_init (GstGLWindow * window)
|
|
{
|
|
window->priv = GST_GL_WINDOW_GET_PRIVATE (window);
|
|
|
|
if (g_getenv ("GST_GL_WINDOW_DEBUG") != NULL)
|
|
_gst_gl_window_debug = TRUE;
|
|
|
|
g_log_set_handler ("GstGLWindow", G_LOG_LEVEL_DEBUG,
|
|
gst_gl_window_log_handler, NULL);
|
|
}
|
|
|
|
/* Must be called in the gl thread */
|
|
GstGLWindow *
|
|
gst_gl_window_new (guintptr external_gl_context)
|
|
{
|
|
GstGLWindow *window = g_object_new (GST_GL_TYPE_WINDOW, NULL);
|
|
GstGLWindowPrivate *priv = window->priv;
|
|
GstGLWindowClass *klass = GST_GL_WINDOW_GET_CLASS (window);
|
|
|
|
HINSTANCE hinstance = GetModuleHandle (NULL);
|
|
|
|
static gint x = 0;
|
|
static gint y = 0;
|
|
|
|
x += 20;
|
|
y += 20;
|
|
|
|
priv->internal_win_id = 0;
|
|
priv->display = 0;
|
|
priv->surface = 0;
|
|
priv->gl_context = 0;
|
|
priv->external_gl_context = (EGLContext) external_gl_context;
|
|
priv->draw_cb = NULL;
|
|
priv->draw_data = NULL;
|
|
priv->resize_cb = NULL;
|
|
priv->resize_data = NULL;
|
|
priv->close_cb = NULL;
|
|
priv->close_data = NULL;
|
|
priv->is_closed = FALSE;
|
|
priv->visible = FALSE;
|
|
|
|
priv->internal_win_id = CreateWindow ("GSTGL", "OpenGL renderer", WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW, //WS_POPUP | WS_BORDER | WS_SYSMENU | WS_CAPTION
|
|
x, y, 0, 0, (HWND) NULL, (HMENU) NULL, hinstance, window);
|
|
|
|
if (!priv->internal_win_id) {
|
|
g_debug ("failed to create gl window\n");
|
|
goto failure;
|
|
}
|
|
|
|
g_debug ("gl window created: %d\n", priv->internal_win_id);
|
|
|
|
//display is set in the window_proc
|
|
if (!priv->display) {
|
|
g_debug ("failed to create display\n");
|
|
goto failure;
|
|
}
|
|
|
|
ShowCursor (TRUE);
|
|
|
|
return window;
|
|
|
|
failure:
|
|
g_object_unref (G_OBJECT (window));
|
|
return NULL;
|
|
}
|
|
|
|
GQuark
|
|
gst_gl_window_error_quark (void)
|
|
{
|
|
return g_quark_from_static_string ("gst-gl-window-error");
|
|
}
|
|
|
|
guintptr
|
|
gst_gl_window_get_internal_gl_context (GstGLWindow * window)
|
|
{
|
|
GstGLWindowPrivate *priv = window->priv;
|
|
return (guintptr) priv->gl_context;
|
|
}
|
|
|
|
void
|
|
callback_activate_gl_context (GstGLWindowPrivate * priv)
|
|
{
|
|
if (!eglMakeCurrent (priv->display, priv->surface, priv->surface,
|
|
priv->gl_context))
|
|
g_debug ("failed to activate opengl context %lud\n", GetLastError ());
|
|
}
|
|
|
|
void
|
|
callback_inactivate_gl_context (GstGLWindowPrivate * priv)
|
|
{
|
|
if (!eglMakeCurrent (priv->display, EGL_NO_SURFACE, EGL_NO_SURFACE,
|
|
EGL_NO_CONTEXT))
|
|
g_debug ("failed to inactivate opengl context %lud\n", GetLastError ());
|
|
}
|
|
|
|
void
|
|
gst_gl_window_activate_gl_context (GstGLWindow * window, gboolean activate)
|
|
{
|
|
GstGLWindowPrivate *priv = window->priv;
|
|
if (activate)
|
|
gst_gl_window_send_message (window, callback_activate_gl_context, priv);
|
|
else
|
|
gst_gl_window_send_message (window, callback_inactivate_gl_context, priv);
|
|
}
|
|
|
|
void
|
|
gst_gl_window_set_external_window_id (GstGLWindow * window, guintptr id)
|
|
{
|
|
GstGLWindowPrivate *priv = window->priv;
|
|
|
|
//retrieve parent if previously set
|
|
HWND parent_id = GetProp (priv->internal_win_id, "gl_window_parent_id");
|
|
|
|
if (priv->visible) {
|
|
ShowWindow (priv->internal_win_id, SW_HIDE);
|
|
priv->visible = FALSE;
|
|
}
|
|
|
|
if (parent_id) {
|
|
WNDPROC parent_proc = GetProp (parent_id, "gl_window_parent_proc");
|
|
|
|
g_debug ("release parent %lud\n", (gulong) parent_id);
|
|
|
|
g_return_if_fail (parent_proc);
|
|
|
|
SetWindowLongPtr (parent_id, GWL_WNDPROC, (LONG) parent_proc);
|
|
SetParent (priv->internal_win_id, NULL);
|
|
|
|
RemoveProp (parent_id, "gl_window_parent_proc");
|
|
RemoveProp (priv->internal_win_id, "gl_window_parent_id");
|
|
}
|
|
//not 0
|
|
if (id) {
|
|
WNDPROC window_parent_proc =
|
|
(WNDPROC) GetWindowLongPtr ((HWND) id, GWL_WNDPROC);
|
|
RECT rect;
|
|
|
|
g_debug ("set parent %lud\n", (gulong) id);
|
|
|
|
SetProp (priv->internal_win_id, "gl_window_parent_id", (HWND) id);
|
|
SetProp ((HWND) id, "gl_window_id", priv->internal_win_id);
|
|
SetProp ((HWND) id, "gl_window_parent_proc", (WNDPROC) window_parent_proc);
|
|
SetWindowLongPtr ((HWND) id, GWL_WNDPROC, (LONG_PTR) sub_class_proc);
|
|
|
|
SetWindowLongPtr (priv->internal_win_id, GWL_STYLE, WS_CHILD | WS_MAXIMIZE);
|
|
SetParent (priv->internal_win_id, (HWND) id);
|
|
|
|
//take changes into account: SWP_FRAMECHANGED
|
|
GetClientRect ((HWND) id, &rect);
|
|
SetWindowPos (priv->internal_win_id, HWND_TOP, rect.left, rect.top,
|
|
rect.right, rect.bottom,
|
|
SWP_ASYNCWINDOWPOS | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER |
|
|
SWP_FRAMECHANGED | SWP_NOACTIVATE);
|
|
MoveWindow (priv->internal_win_id, rect.left, rect.top, rect.right,
|
|
rect.bottom, FALSE);
|
|
} else {
|
|
//no parent so the internal window needs borders and system menu
|
|
SetWindowLongPtr (priv->internal_win_id, GWL_STYLE,
|
|
WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW);
|
|
}
|
|
}
|
|
|
|
/* Must be called in the gl thread */
|
|
void
|
|
gst_gl_window_set_draw_callback (GstGLWindow * window, GstGLWindowCB callback,
|
|
gpointer data)
|
|
{
|
|
GstGLWindowPrivate *priv = window->priv;
|
|
|
|
priv->draw_cb = callback;
|
|
priv->draw_data = data;
|
|
}
|
|
|
|
/* Must be called in the gl thread */
|
|
void
|
|
gst_gl_window_set_resize_callback (GstGLWindow * window,
|
|
GstGLWindowCB2 callback, gpointer data)
|
|
{
|
|
GstGLWindowPrivate *priv = window->priv;
|
|
|
|
priv->resize_cb = callback;
|
|
priv->resize_data = data;
|
|
}
|
|
|
|
/* Must be called in the gl thread */
|
|
void
|
|
gst_gl_window_set_close_callback (GstGLWindow * window, GstGLWindowCB callback,
|
|
gpointer data)
|
|
{
|
|
GstGLWindowPrivate *priv = window->priv;
|
|
|
|
priv->close_cb = callback;
|
|
priv->close_data = data;
|
|
}
|
|
|
|
void
|
|
gst_gl_window_draw_unlocked (GstGLWindow * window, gint width, gint height)
|
|
{
|
|
gst_gl_window_draw (window, width, height);
|
|
}
|
|
|
|
/* Thread safe */
|
|
void
|
|
gst_gl_window_draw (GstGLWindow * window, gint width, gint height)
|
|
{
|
|
GstGLWindowPrivate *priv = window->priv;
|
|
|
|
if (!priv->visible) {
|
|
HWND parent_id = GetProp (priv->internal_win_id, "gl_window_parent_id");
|
|
/* if no parent the real size has to be set now because this has not been done
|
|
* when at window creation */
|
|
if (!parent_id) {
|
|
RECT rect;
|
|
GetClientRect (priv->internal_win_id, &rect);
|
|
width += 2 * GetSystemMetrics (SM_CXSIZEFRAME);
|
|
height +=
|
|
2 * GetSystemMetrics (SM_CYSIZEFRAME) +
|
|
GetSystemMetrics (SM_CYCAPTION);
|
|
MoveWindow (priv->internal_win_id, rect.left, rect.top, width, height,
|
|
FALSE);
|
|
}
|
|
ShowWindowAsync (priv->internal_win_id, SW_SHOW);
|
|
priv->visible = TRUE;
|
|
}
|
|
|
|
RedrawWindow (priv->internal_win_id, NULL, NULL,
|
|
RDW_NOERASE | RDW_INTERNALPAINT | RDW_INVALIDATE);
|
|
}
|
|
|
|
void
|
|
gst_gl_window_run_loop (GstGLWindow * window)
|
|
{
|
|
GstGLWindowPrivate *priv = window->priv;
|
|
gboolean running = TRUE;
|
|
gboolean bRet = FALSE;
|
|
MSG msg;
|
|
|
|
g_debug ("begin loop\n");
|
|
|
|
while (running && (bRet = GetMessage (&msg, NULL, 0, 0)) != 0) {
|
|
if (bRet == -1) {
|
|
g_error ("Failed to get message %lud\n", GetLastError ());
|
|
running = FALSE;
|
|
} else {
|
|
TranslateMessage (&msg);
|
|
DispatchMessage (&msg);
|
|
}
|
|
}
|
|
|
|
g_debug ("end loop\n");
|
|
}
|
|
|
|
/* Thread safe */
|
|
void
|
|
gst_gl_window_quit_loop (GstGLWindow * window, GstGLWindowCB callback,
|
|
gpointer data)
|
|
{
|
|
if (window) {
|
|
GstGLWindowPrivate *priv = window->priv;
|
|
LRESULT res = PostMessage (priv->internal_win_id, WM_GST_GL_WINDOW_QUIT,
|
|
(WPARAM) data, (LPARAM) callback);
|
|
g_return_if_fail (SUCCEEDED (res));
|
|
g_debug ("end loop requested\n");
|
|
}
|
|
}
|
|
|
|
/* Thread safe */
|
|
void
|
|
gst_gl_window_send_message (GstGLWindow * window, GstGLWindowCB callback,
|
|
gpointer data)
|
|
{
|
|
if (window) {
|
|
GstGLWindowPrivate *priv = window->priv;
|
|
LRESULT res = SendMessage (priv->internal_win_id, WM_GST_GL_WINDOW_CUSTOM,
|
|
(WPARAM) data, (LPARAM) callback);
|
|
g_return_if_fail (SUCCEEDED (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);
|
|
|
|
{
|
|
EGLint majorVersion;
|
|
EGLint minorVersion;
|
|
EGLint numConfigs;
|
|
EGLConfig config;
|
|
EGLint contextAttribs[] =
|
|
{ EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE, EGL_NONE };
|
|
|
|
EGLint attribList[] = {
|
|
EGL_RED_SIZE, 5,
|
|
EGL_GREEN_SIZE, 6,
|
|
EGL_BLUE_SIZE, 5,
|
|
EGL_ALPHA_SIZE, 8,
|
|
EGL_DEPTH_SIZE, 8,
|
|
EGL_STENCIL_SIZE, 8,
|
|
EGL_SAMPLE_BUFFERS, EGL_DONT_CARE, //1
|
|
EGL_NONE
|
|
};
|
|
|
|
GstGLWindowPrivate *priv = window->priv;
|
|
|
|
priv->display = eglGetDisplay (GetDC (hWnd));
|
|
if (priv->display != EGL_NO_DISPLAY)
|
|
g_debug ("display retrieved: %d\n", priv->display);
|
|
else
|
|
g_debug ("failed to retrieve display %d, %s\n", hWnd,
|
|
EGLErrorString ());
|
|
|
|
if (eglInitialize (priv->display, &majorVersion, &minorVersion))
|
|
g_debug ("egl initialized: %d.%d\n", majorVersion, minorVersion);
|
|
else
|
|
g_debug ("failed to initialize egl %d, %s\n", priv->display,
|
|
EGLErrorString ());
|
|
|
|
if (eglGetConfigs (priv->display, NULL, 0, &numConfigs))
|
|
g_debug ("configs retrieved: %d\n", numConfigs);
|
|
else
|
|
g_debug ("failed to retrieve configs %d, %s\n", priv->display,
|
|
EGLErrorString ());
|
|
|
|
if (eglChooseConfig (priv->display, attribList, &config, 1, &numConfigs))
|
|
g_debug ("config set: %d, %d\n", config, numConfigs);
|
|
else
|
|
g_debug ("failed to set config %d, %s\n", priv->display,
|
|
EGLErrorString ());
|
|
|
|
priv->surface =
|
|
eglCreateWindowSurface (priv->display, config,
|
|
(EGLNativeWindowType) hWnd, NULL);
|
|
if (priv->surface != EGL_NO_SURFACE)
|
|
g_debug ("surface created: %d\n", priv->surface);
|
|
else
|
|
g_debug ("failed to create surface %d, %d, %d, %s\n", priv->display,
|
|
priv->surface, hWnd, EGLErrorString ());
|
|
|
|
priv->gl_context =
|
|
eglCreateContext (priv->display, config, priv->external_gl_context,
|
|
contextAttribs);
|
|
if (priv->gl_context != EGL_NO_CONTEXT)
|
|
g_debug ("gl context created: %lud, external: %lud\n",
|
|
(gulong) priv->gl_context, (gulong) priv->external_gl_context);
|
|
else
|
|
g_debug
|
|
("failed to create glcontext %lud, extenal: %lud, win: %lud, %s\n",
|
|
(gulong) priv->gl_context, (gulong) priv->external_gl_context,
|
|
(gulong) hWnd, EGLErrorString ());
|
|
|
|
ReleaseDC (hWnd, priv->display);
|
|
|
|
if (!eglMakeCurrent (priv->display, priv->surface, priv->surface,
|
|
priv->gl_context))
|
|
g_debug ("failed to make opengl context current %d, %s\n", hWnd,
|
|
EGLErrorString ());
|
|
}
|
|
|
|
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 == eglGetCurrentContext ());
|
|
|
|
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) {
|
|
priv->draw_cb (priv->draw_data);
|
|
eglSwapBuffers (priv->display, priv->surface);
|
|
ValidateRect (hWnd, NULL);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case WM_CLOSE:
|
|
{
|
|
ShowWindowAsync (priv->internal_win_id, SW_HIDE);
|
|
|
|
if (priv->close_cb)
|
|
priv->close_cb (priv->close_data);
|
|
|
|
priv->draw_cb = NULL;
|
|
priv->draw_data = NULL;
|
|
priv->resize_cb = NULL;
|
|
priv->resize_data = NULL;
|
|
priv->close_cb = NULL;
|
|
priv->close_data = NULL;
|
|
break;
|
|
}
|
|
|
|
case WM_GST_GL_WINDOW_QUIT:
|
|
{
|
|
HWND parent_id = 0;
|
|
GstGLWindowCB destroy_cb = (GstGLWindowCB) lParam;
|
|
|
|
g_debug ("WM_CLOSE\n");
|
|
|
|
destroy_cb ((gpointer) wParam);
|
|
|
|
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 (!eglMakeCurrent (priv->display, priv->surface, priv->surface,
|
|
EGL_NO_CONTEXT))
|
|
g_debug ("failed to make current null context %d, %s\n",
|
|
priv->display, EGLErrorString ());
|
|
|
|
if (priv->gl_context) {
|
|
if (!eglDestroyContext (priv->display, priv->gl_context))
|
|
g_debug ("failed to destroy context %d, %s\n", priv->gl_context,
|
|
EGLErrorString ());
|
|
priv->gl_context = NULL;
|
|
}
|
|
|
|
if (priv->surface) {
|
|
if (!eglDestroySurface (priv->display, priv->surface))
|
|
g_debug ("failed to destroy surface %d, %s\n", priv->surface,
|
|
EGLErrorString ());
|
|
priv->surface = NULL;
|
|
}
|
|
|
|
if (priv->surface) {
|
|
if (!eglTerminate (priv->display))
|
|
g_debug ("failed to terminate display %d, %s\n", priv->display,
|
|
EGLErrorString ());
|
|
priv->surface = NULL;
|
|
}
|
|
|
|
if (priv->internal_win_id) {
|
|
if (!DestroyWindow (priv->internal_win_id))
|
|
g_debug ("failed to destroy window %lud, %lud\n", (gulong) hWnd,
|
|
GetLastError ());
|
|
}
|
|
|
|
PostQuitMessage (0);
|
|
break;
|
|
}
|
|
|
|
case WM_CAPTURECHANGED:
|
|
{
|
|
g_debug ("WM_CAPTURECHANGED\n");
|
|
if (priv->draw_cb)
|
|
priv->draw_cb (priv->draw_data);
|
|
break;
|
|
}
|
|
|
|
case WM_GST_GL_WINDOW_CUSTOM:
|
|
{
|
|
if (!priv->is_closed) {
|
|
GstGLWindowCB custom_cb = (GstGLWindowCB) lParam;
|
|
custom_cb ((gpointer) wParam);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case WM_ERASEBKGND:
|
|
return TRUE;
|
|
|
|
default:
|
|
{
|
|
/* transmit messages to the parrent (ex: mouse/keyboard input) */
|
|
HWND parent_id = GetProp (hWnd, "gl_window_parent_id");
|
|
if (parent_id)
|
|
PostMessage (parent_id, uMsg, wParam, lParam);
|
|
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);
|
|
}
|
|
|
|
const gchar *
|
|
EGLErrorString ()
|
|
{
|
|
EGLint nErr = eglGetError ();
|
|
switch (nErr) {
|
|
case EGL_SUCCESS:
|
|
return "EGL_SUCCESS";
|
|
case EGL_BAD_DISPLAY:
|
|
return "EGL_BAD_DISPLAY";
|
|
case EGL_NOT_INITIALIZED:
|
|
return "EGL_NOT_INITIALIZED";
|
|
case EGL_BAD_ACCESS:
|
|
return "EGL_BAD_ACCESS";
|
|
case EGL_BAD_ALLOC:
|
|
return "EGL_BAD_ALLOC";
|
|
case EGL_BAD_ATTRIBUTE:
|
|
return "EGL_BAD_ATTRIBUTE";
|
|
case EGL_BAD_CONFIG:
|
|
return "EGL_BAD_CONFIG";
|
|
case EGL_BAD_CONTEXT:
|
|
return "EGL_BAD_CONTEXT";
|
|
case EGL_BAD_CURRENT_SURFACE:
|
|
return "EGL_BAD_CURRENT_SURFACE";
|
|
case EGL_BAD_MATCH:
|
|
return "EGL_BAD_MATCH";
|
|
case EGL_BAD_NATIVE_PIXMAP:
|
|
return "EGL_BAD_NATIVE_PIXMAP";
|
|
case EGL_BAD_NATIVE_WINDOW:
|
|
return "EGL_BAD_NATIVE_WINDOW";
|
|
case EGL_BAD_PARAMETER:
|
|
return "EGL_BAD_PARAMETER";
|
|
case EGL_BAD_SURFACE:
|
|
return "EGL_BAD_SURFACE";
|
|
default:
|
|
return "unknown";
|
|
}
|
|
}
|