mutter/clutter/egl/clutter-stage-egl.c

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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "clutter-stage-egl.h"
#include "clutter-egl.h"
#include "clutter-backend-egl.h"
#include "../clutter-main.h"
#include "../clutter-feature.h"
#include "../clutter-color.h"
#include "../clutter-util.h"
#include "../clutter-event.h"
#include "../clutter-enum-types.h"
#include "../clutter-private.h"
#include "../clutter-debug.h"
#include "../clutter-units.h"
#include "../clutter-stage.h"
#include "../clutter-stage-window.h"
#ifdef COGL_HAS_X11_SUPPORT
static ClutterStageWindowIface *clutter_stage_egl_parent_iface = NULL;
#endif
static void clutter_stage_window_iface_init (ClutterStageWindowIface *iface);
G_DEFINE_TYPE_WITH_CODE (ClutterStageEGL,
_clutter_stage_egl,
#ifdef COGL_HAS_X11_SUPPORT
CLUTTER_TYPE_STAGE_X11,
#else
G_TYPE_OBJECT,
#endif
G_IMPLEMENT_INTERFACE (CLUTTER_TYPE_STAGE_WINDOW,
clutter_stage_window_iface_init));
#ifdef COGL_HAS_XLIB_SUPPORT
static void
clutter_stage_egl_unrealize (ClutterStageWindow *stage_window)
{
ClutterBackend *backend = clutter_get_default_backend ();
ClutterBackendX11 *backend_x11 = CLUTTER_BACKEND_X11 (backend);
ClutterStageEGL *stage_egl = CLUTTER_STAGE_EGL (stage_window);
ClutterStageX11 *stage_x11 = CLUTTER_STAGE_X11 (stage_window);
CLUTTER_NOTE (BACKEND, "Unrealizing stage");
clutter_x11_trap_x_errors ();
if (!stage_x11->is_foreign_xwin && stage_x11->xwin != None)
{
XDestroyWindow (backend_x11->xdpy, stage_x11->xwin);
stage_x11->xwin = None;
}
else
stage_x11->xwin = None;
if (stage_egl->egl_surface != EGL_NO_SURFACE)
{
eglDestroySurface (clutter_eglx_display (), stage_egl->egl_surface);
stage_egl->egl_surface = EGL_NO_SURFACE;
}
XSync (backend_x11->xdpy, False);
clutter_x11_untrap_x_errors ();
}
static gboolean
clutter_stage_egl_realize (ClutterStageWindow *stage_window)
{
ClutterStageEGL *stage_egl = CLUTTER_STAGE_EGL (stage_window);
ClutterStageX11 *stage_x11 = CLUTTER_STAGE_X11 (stage_window);
ClutterBackend *backend;
ClutterBackendEGL *backend_egl;
ClutterBackendX11 *backend_x11;
EGLDisplay edpy;
CLUTTER_NOTE (BACKEND, "Realizing main stage");
backend = clutter_get_default_backend ();
backend_egl = CLUTTER_BACKEND_EGL (backend);
backend_x11 = CLUTTER_BACKEND_X11 (backend);
edpy = clutter_eglx_display ();
if (stage_x11->xwin == None)
{
XSetWindowAttributes xattr;
unsigned long mask;
XVisualInfo *xvisinfo;
gfloat width, height;
CLUTTER_NOTE (MISC, "Creating stage X window");
xvisinfo = clutter_backend_x11_get_visual_info (backend_x11);
if (xvisinfo == NULL)
{
g_critical ("Unable to find suitable GL visual.");
return FALSE;
}
/* window attributes */
xattr.background_pixel = WhitePixel (backend_x11->xdpy,
backend_x11->xscreen_num);
xattr.border_pixel = 0;
xattr.colormap = XCreateColormap (backend_x11->xdpy,
backend_x11->xwin_root,
xvisinfo->visual,
AllocNone);
mask = CWBorderPixel | CWColormap;
/* Call get_size - this will either get the geometry size (which
* before we create the window is set to 640x480), or if a size
* is set, it will get that. This lets you set a size on the
* stage before it's realized.
*/
clutter_actor_get_size (CLUTTER_ACTOR (stage_x11->wrapper),
&width,
&height);
stage_x11->xwin_width = (gint)width;
stage_x11->xwin_height = (gint)height;
stage_x11->xwin = XCreateWindow (backend_x11->xdpy,
backend_x11->xwin_root,
0, 0,
stage_x11->xwin_width,
stage_x11->xwin_height,
0,
xvisinfo->depth,
InputOutput,
xvisinfo->visual,
mask, &xattr);
CLUTTER_NOTE (BACKEND, "Stage [%p], window: 0x%x, size: %dx%d",
stage_window,
(unsigned int) stage_x11->xwin,
stage_x11->xwin_width,
stage_x11->xwin_height);
XFree (xvisinfo);
}
if (stage_egl->egl_surface == EGL_NO_SURFACE)
{
stage_egl->egl_surface =
eglCreateWindowSurface (edpy,
backend_egl->egl_config,
(NativeWindowType) stage_x11->xwin,
NULL);
}
if (stage_egl->egl_surface == EGL_NO_SURFACE)
g_warning ("Unable to create an EGL surface");
if (clutter_x11_has_event_retrieval ())
{
if (clutter_x11_has_xinput ())
{
XSelectInput (backend_x11->xdpy, stage_x11->xwin,
StructureNotifyMask |
FocusChangeMask |
ExposureMask |
EnterWindowMask | LeaveWindowMask |
PropertyChangeMask);
#ifdef USE_XINPUT
_clutter_x11_select_events (stage_x11->xwin);
#endif
}
else
XSelectInput (backend_x11->xdpy, stage_x11->xwin,
StructureNotifyMask |
FocusChangeMask |
ExposureMask |
PointerMotionMask |
KeyPressMask | KeyReleaseMask |
ButtonPressMask | ButtonReleaseMask |
EnterWindowMask | LeaveWindowMask |
PropertyChangeMask);
}
/* no user resize... */
clutter_stage_x11_fix_window_size (stage_x11,
stage_x11->xwin_width,
stage_x11->xwin_height);
clutter_stage_x11_set_wm_protocols (stage_x11);
return clutter_stage_egl_parent_iface->realize (stage_window);
}
#else /* COGL_HAS_XLIB_SUPPORT */
static void
clutter_stage_egl_unrealize (ClutterStageWindow *stage_window)
{
}
static gboolean
clutter_stage_egl_realize (ClutterStageWindow *stage_window)
{
/* the EGL surface is created by the backend */
return TRUE;
}
static void
clutter_stage_egl_set_fullscreen (ClutterStageWindow *stage_window,
gboolean fullscreen)
{
g_warning ("Stage of type '%s' do not support ClutterStage::set_fullscreen",
G_OBJECT_TYPE_NAME (stage_window));
}
static void
clutter_stage_egl_set_title (ClutterStageWindow *stage_window,
const gchar *title)
{
g_warning ("Stage of type '%s' do not support ClutterStage::set_title",
G_OBJECT_TYPE_NAME (stage_window));
}
static void
clutter_stage_egl_set_cursor_visible (ClutterStageWindow *stage_window,
gboolean cursor_visible)
{
g_warning ("Stage of type '%s' do not support ClutterStage::set_cursor_visible",
G_OBJECT_TYPE_NAME (stage_window));
}
static ClutterActor *
clutter_stage_egl_get_wrapper (ClutterStageWindow *stage_window)
{
return CLUTTER_ACTOR (CLUTTER_STAGE_EGL (stage_window)->wrapper);
}
static void
clutter_stage_egl_show (ClutterStageWindow *stage_window,
gboolean do_raise)
{
ClutterStageEGL *stage_egl = CLUTTER_STAGE_EGL (stage_window);
clutter_actor_map (CLUTTER_ACTOR (stage_egl->wrapper));
}
static void
clutter_stage_egl_hide (ClutterStageWindow *stage_window)
{
ClutterStageEGL *stage_egl = CLUTTER_STAGE_EGL (stage_window);
clutter_actor_unmap (CLUTTER_ACTOR (stage_egl->wrapper));
}
static void
clutter_stage_egl_get_geometry (ClutterStageWindow *stage_window,
ClutterGeometry *geometry)
{
ClutterStageEGL *stage_egl = CLUTTER_STAGE_EGL (stage_window);
ClutterBackendEGL *backend_egl = stage_egl->backend;
if (geometry)
{
geometry->x = geometry->y = 0;
geometry->width = backend_egl->surface_width;
geometry->height = backend_egl->surface_height;
}
}
static void
clutter_stage_egl_resize (ClutterStageWindow *stage_window,
gint width,
gint height)
{
}
#endif /* COGL_HAS_XLIB_SUPPORT */
static void
clutter_stage_window_iface_init (ClutterStageWindowIface *iface)
{
#ifdef COGL_HAS_X11_SUPPORT
clutter_stage_egl_parent_iface = g_type_interface_peek_parent (iface);
iface->realize = clutter_stage_egl_realize;
iface->unrealize = clutter_stage_egl_unrealize;
/* the rest is inherited from ClutterStageX11 */
#else /* COGL_HAS_X11_SUPPORT */
iface->realize = clutter_stage_egl_realize;
iface->unrealize = clutter_stage_egl_unrealize;
iface->set_fullscreen = clutter_stage_egl_set_fullscreen;
iface->set_title = clutter_stage_egl_set_title;
iface->set_cursor_visible = clutter_stage_egl_set_cursor_visible;
iface->get_wrapper = clutter_stage_egl_get_wrapper;
iface->get_geometry = clutter_stage_egl_get_geometry;
iface->resize = clutter_stage_egl_resize;
iface->show = clutter_stage_egl_show;
iface->hide = clutter_stage_egl_hide;
#endif /* COGL_HAS_X11_SUPPORT */
}
#ifdef COGL_HAS_X11_SUPPORT
static void
clutter_stage_egl_dispose (GObject *gobject)
{
G_OBJECT_CLASS (_clutter_stage_egl_parent_class)->dispose (gobject);
}
static void
_clutter_stage_egl_class_init (ClutterStageEGLClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->dispose = clutter_stage_egl_dispose;
}
static void
_clutter_stage_egl_init (ClutterStageEGL *stage)
{
stage->egl_surface = EGL_NO_SURFACE;
}
#else /* COGL_HAS_X11_SUPPORT */
static void
_clutter_stage_egl_class_init (ClutterStageEGLClass *klass)
{
}
static void
_clutter_stage_egl_init (ClutterStageEGL *stage)
{
/* Without X we only support one surface and that is associated
* with the backend directly instead of the stage */
}
#endif /* COGL_HAS_X11_SUPPORT */
void
_clutter_stage_egl_redraw (ClutterStageEGL *stage_egl,
ClutterStage *stage)
{
ClutterBackend *backend = clutter_get_default_backend ();
ClutterBackendEGL *backend_egl = CLUTTER_BACKEND_EGL (backend);
ClutterActor *wrapper;
EGLSurface egl_surface;
#ifdef COGL_HAS_X11_SUPPORT
ClutterStageX11 *stage_x11 = CLUTTER_STAGE_X11 (stage_egl);
wrapper = CLUTTER_ACTOR (stage_x11->wrapper);
egl_surface = stage_egl->egl_surface;
#else
wrapper = CLUTTER_ACTOR (stage_egl->wrapper);
/* Without X we only support one surface and that is associated
* with the backend directly instead of the stage */
egl_surface = backend_egl->egl_surface;
#endif
_clutter_stage_do_paint (CLUTTER_STAGE (wrapper), NULL);
cogl_flush ();
eglSwapBuffers (backend_egl->edpy, egl_surface);
}