064d45266a
* clutter/glx/clutter-stage-glx.c: (clutter_stage_glx_allocate_coords): Make sure the top-left corner of the box is our origin.
775 lines
20 KiB
C
775 lines
20 KiB
C
/* Clutter.
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* An OpenGL based 'interactive canvas' library.
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* Authored By Matthew Allum <mallum@openedhand.com>
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* Copyright (C) 2006-2007 OpenedHand
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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 Lesser 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser 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 "clutter-backend-glx.h"
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#include "clutter-stage-glx.h"
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#include "clutter-glx.h"
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#include "../clutter-main.h"
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#include "../clutter-feature.h"
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#include "../clutter-color.h"
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#include "../clutter-util.h"
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#include "../clutter-event.h"
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#include "../clutter-enum-types.h"
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#include "../clutter-private.h"
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#include "../clutter-debug.h"
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#include <X11/extensions/Xfixes.h>
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#include <GL/glx.h>
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#include <GL/gl.h>
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#include <gdk-pixbuf-xlib/gdk-pixbuf-xlib.h>
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G_DEFINE_TYPE (ClutterStageGlx, clutter_stage_glx, CLUTTER_TYPE_STAGE);
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static inline void
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frustum (GLfloat left,
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GLfloat right,
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GLfloat bottom,
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GLfloat top,
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GLfloat nearval,
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GLfloat farval)
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{
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GLfloat x, y, a, b, c, d;
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GLfloat m[16];
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x = (2.0 * nearval) / (right - left);
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y = (2.0 * nearval) / (top - bottom);
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a = (right + left) / (right - left);
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b = (top + bottom) / (top - bottom);
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c = -(farval + nearval) / ( farval - nearval);
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d = -(2.0 * farval * nearval) / (farval - nearval);
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#define M(row,col) m[col*4+row]
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M(0,0) = x; M(0,1) = 0.0F; M(0,2) = a; M(0,3) = 0.0F;
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M(1,0) = 0.0F; M(1,1) = y; M(1,2) = b; M(1,3) = 0.0F;
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M(2,0) = 0.0F; M(2,1) = 0.0F; M(2,2) = c; M(2,3) = d;
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M(3,0) = 0.0F; M(3,1) = 0.0F; M(3,2) = -1.0F; M(3,3) = 0.0F;
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#undef M
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glMultMatrixf (m);
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}
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static inline void
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perspective (GLfloat fovy,
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GLfloat aspect,
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GLfloat zNear,
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GLfloat zFar)
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{
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GLfloat xmin, xmax, ymin, ymax;
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ymax = zNear * tan (fovy * M_PI / 360.0);
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ymin = -ymax;
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xmin = ymin * aspect;
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xmax = ymax * aspect;
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frustum (xmin, xmax, ymin, ymax, zNear, zFar);
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}
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static void
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sync_viewport (ClutterStageGlx *stage_glx)
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{
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glViewport (0, 0, stage_glx->xwin_width, stage_glx->xwin_height);
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glMatrixMode (GL_PROJECTION);
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glLoadIdentity ();
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perspective (60.0f, 1.0f, 0.1f, 100.0f);
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glMatrixMode (GL_MODELVIEW);
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glLoadIdentity ();
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/* Then for 2D like transform */
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/* camera distance from screen, 0.5 * tan (FOV) */
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#define DEFAULT_Z_CAMERA 0.866025404f
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glTranslatef (-0.5f, -0.5f, -DEFAULT_Z_CAMERA);
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glScalef ( 1.0f / stage_glx->xwin_width,
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-1.0f / stage_glx->xwin_height,
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1.0f / stage_glx->xwin_width);
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glTranslatef (0.0f, -1.0 * stage_glx->xwin_height, 0.0f);
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}
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static void
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clutter_stage_glx_show (ClutterActor *actor)
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{
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ClutterStageGlx *stage_glx = CLUTTER_STAGE_GLX (actor);
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if (stage_glx->xwin)
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XMapWindow (stage_glx->xdpy, stage_glx->xwin);
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}
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static void
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clutter_stage_glx_hide (ClutterActor *actor)
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{
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ClutterStageGlx *stage_glx = CLUTTER_STAGE_GLX (actor);
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if (stage_glx->xwin)
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XUnmapWindow (stage_glx->xdpy, stage_glx->xwin);
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}
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static void
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clutter_stage_glx_unrealize (ClutterActor *actor)
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{
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ClutterStageGlx *stage_glx = CLUTTER_STAGE_GLX (actor);
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gboolean was_offscreen;
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CLUTTER_MARK();
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g_object_get (actor, "offscreen", &was_offscreen, NULL);
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if (G_UNLIKELY (was_offscreen))
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{
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if (stage_glx->glxpixmap)
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{
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glXDestroyGLXPixmap (stage_glx->xdpy, stage_glx->glxpixmap);
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stage_glx->glxpixmap = None;
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}
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if (stage_glx->xpixmap)
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{
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XFreePixmap (stage_glx->xdpy, stage_glx->xpixmap);
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stage_glx->xpixmap = None;
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}
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}
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else
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{
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if (!stage_glx->is_foreign_xwin && stage_glx->xwin != None)
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{
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XDestroyWindow (stage_glx->xdpy, stage_glx->xwin);
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stage_glx->xwin = None;
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}
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else
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stage_glx->xwin = None;
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}
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glXMakeCurrent (stage_glx->xdpy, None, NULL);
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if (stage_glx->gl_context != None)
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{
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glXDestroyContext (stage_glx->xdpy, stage_glx->gl_context);
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stage_glx->gl_context = None;
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}
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}
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static void
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clutter_stage_glx_realize (ClutterActor *actor)
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{
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ClutterStageGlx *stage_glx = CLUTTER_STAGE_GLX (actor);
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gboolean is_offscreen;
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CLUTTER_NOTE (MISC, "Realizing main stage");
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g_object_get (actor, "offscreen", &is_offscreen, NULL);
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if (G_LIKELY (!is_offscreen))
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{
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int gl_attributes[] =
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{
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GLX_RGBA,
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GLX_DOUBLEBUFFER,
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GLX_RED_SIZE, 1,
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GLX_GREEN_SIZE, 1,
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GLX_BLUE_SIZE, 1,
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GLX_STENCIL_SIZE, 1,
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0
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};
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if (stage_glx->xvisinfo)
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XFree (stage_glx->xvisinfo);
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if (stage_glx->xvisinfo == None)
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stage_glx->xvisinfo = glXChooseVisual (stage_glx->xdpy,
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stage_glx->xscreen,
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gl_attributes);
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if (!stage_glx->xvisinfo)
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{
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g_critical ("Unable to find suitable GL visual.");
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CLUTTER_ACTOR_UNSET_FLAGS (actor, CLUTTER_ACTOR_REALIZED);
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return;
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}
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if (stage_glx->xwin == None)
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{
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CLUTTER_NOTE (MISC, "Creating stage X window");
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stage_glx->xwin = XCreateSimpleWindow (stage_glx->xdpy,
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stage_glx->xwin_root,
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0, 0,
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stage_glx->xwin_width,
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stage_glx->xwin_height,
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0, 0,
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WhitePixel (stage_glx->xdpy,
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stage_glx->xscreen));
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}
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CLUTTER_NOTE (MISC, "XSelectInput");
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XSelectInput (stage_glx->xdpy, stage_glx->xwin,
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StructureNotifyMask |
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ExposureMask |
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/* FIXME: we may want to eplicity enable MotionMask */
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PointerMotionMask |
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KeyPressMask | KeyReleaseMask |
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ButtonPressMask | ButtonReleaseMask |
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PropertyChangeMask);
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if (stage_glx->gl_context)
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glXDestroyContext (stage_glx->xdpy, stage_glx->gl_context);
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CLUTTER_NOTE (GL, "Creating GL Context");
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stage_glx->gl_context = glXCreateContext (stage_glx->xdpy,
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stage_glx->xvisinfo,
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0,
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True);
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if (stage_glx->gl_context == None)
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{
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g_critical ("Unable to create suitable GL context.");
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CLUTTER_ACTOR_UNSET_FLAGS (actor, CLUTTER_ACTOR_REALIZED);
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return;
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}
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CLUTTER_NOTE (GL, "glXMakeCurrent");
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glXMakeCurrent (stage_glx->xdpy, stage_glx->xwin, stage_glx->gl_context);
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}
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else
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{
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int gl_attributes[] = {
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GLX_RGBA,
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GLX_RED_SIZE, 1,
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GLX_GREEN_SIZE, 1,
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GLX_BLUE_SIZE, 1,
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0
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};
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if (stage_glx->xvisinfo)
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XFree (stage_glx->xvisinfo);
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CLUTTER_NOTE (GL, "glXChooseVisual");
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stage_glx->xvisinfo = glXChooseVisual (stage_glx->xdpy,
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stage_glx->xscreen,
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gl_attributes);
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if (!stage_glx->xvisinfo)
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{
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g_critical ("Unable to find suitable GL visual.");
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CLUTTER_ACTOR_UNSET_FLAGS (actor, CLUTTER_ACTOR_REALIZED);
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return;
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}
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if (stage_glx->gl_context)
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glXDestroyContext (stage_glx->xdpy, stage_glx->gl_context);
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stage_glx->xpixmap = XCreatePixmap (stage_glx->xdpy,
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stage_glx->xwin_root,
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stage_glx->xwin_width,
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stage_glx->xwin_height,
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stage_glx->xvisinfo->depth);
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stage_glx->glxpixmap = glXCreateGLXPixmap (stage_glx->xdpy,
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stage_glx->xvisinfo,
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stage_glx->xpixmap);
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/* indirect */
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stage_glx->gl_context = glXCreateContext (stage_glx->xdpy,
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stage_glx->xvisinfo,
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0,
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False);
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glXMakeCurrent (stage_glx->xdpy,
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stage_glx->glxpixmap,
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stage_glx->gl_context);
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#if 0
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/* Debug code for monitoring a off screen pixmap via window */
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{
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Colormap cmap;
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XSetWindowAttributes swa;
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cmap = XCreateColormap(clutter_glx_display(),
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clutter_glx_root_window(),
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backend->xvisinfo->visual, AllocNone);
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/* create a window */
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swa.colormap = cmap;
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foo_win = XCreateWindow(clutter_glx_display(),
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clutter_glx_root_window(),
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0, 0,
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backend->xwin_width, backend->xwin_height,
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0,
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backend->xvisinfo->depth,
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InputOutput,
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backend->xvisinfo->visual,
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CWColormap, &swa);
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XMapWindow(clutter_glx_display(), foo_win);
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}
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#endif
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}
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CLUTTER_NOTE (GL,
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"\n"
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"===========================================\n"
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"GL_VENDOR: %s\n"
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"GL_RENDERER: %s\n"
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"GL_VERSION: %s\n"
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"GL_EXTENSIONS: %s\n"
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"Direct Rendering: %s\n"
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"===========================================\n",
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glGetString (GL_VENDOR),
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glGetString (GL_RENDERER),
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glGetString (GL_VERSION),
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glGetString (GL_EXTENSIONS),
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glXIsDirect (stage_glx->xdpy, stage_glx->gl_context) ? "yes"
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: "no");
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sync_viewport (stage_glx);
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}
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static void
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clutter_stage_glx_paint (ClutterActor *self)
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{
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ClutterStageGlx *stage_glx = CLUTTER_STAGE_GLX (self);
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ClutterStage *stage = CLUTTER_STAGE (self);
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ClutterColor stage_color;
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static GTimer *timer = NULL;
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static guint timer_n_frames = 0;
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CLUTTER_NOTE (PAINT, " Redraw enter");
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if (clutter_get_show_fps ())
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{
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if (!timer)
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timer = g_timer_new ();
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}
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clutter_stage_get_color (stage, &stage_color);
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glClearColor (((float) stage_color.red / 0xff * 1.0),
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((float) stage_color.green / 0xff * 1.0),
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((float) stage_color.blue / 0xff * 1.0),
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0.0);
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glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
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glDisable (GL_LIGHTING);
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glDisable (GL_DEPTH_TEST);
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if (CLUTTER_ACTOR_CLASS (clutter_stage_glx_parent_class)->paint)
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CLUTTER_ACTOR_CLASS (clutter_stage_glx_parent_class)->paint (self);
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if (stage_glx->xwin)
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{
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clutter_feature_wait_for_vblank ();
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glXSwapBuffers (stage_glx->xdpy, stage_glx->xwin);
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}
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else
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{
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glXWaitGL ();
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CLUTTER_GLERR ();
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}
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if (clutter_get_show_fps ())
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{
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timer_n_frames++;
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if (g_timer_elapsed (timer, NULL) >= 1.0)
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{
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g_print ("*** FPS: %i ***\n", timer_n_frames);
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timer_n_frames = 0;
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g_timer_start (timer);
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}
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}
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CLUTTER_NOTE (PAINT, " Redraw leave");
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}
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static void
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clutter_stage_glx_allocate_coords (ClutterActor *self,
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ClutterActorBox *box)
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{
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ClutterStageGlx *stage_glx = CLUTTER_STAGE_GLX (self);
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box->x1 = box->y1 = 0;
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box->x2 = box->x1 + stage_glx->xwin_width;
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box->y2 = box->y1 + stage_glx->xwin_height;
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}
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static void
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clutter_stage_glx_request_coords (ClutterActor *self,
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ClutterActorBox *box)
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{
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ClutterStageGlx *stage_glx = CLUTTER_STAGE_GLX (self);
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gint new_width, new_height;
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/* FIXME: some how have X configure_notfiys call this ? */
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new_width = ABS (box->x2 - box->x1);
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new_height = ABS (box->y2 - box->y1);
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if (new_width != stage_glx->xwin_width ||
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new_height != stage_glx->xwin_height)
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{
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stage_glx->xwin_width = new_width;
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stage_glx->xwin_height = new_height;
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if (stage_glx->xwin != None)
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XResizeWindow (stage_glx->xdpy,
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stage_glx->xwin,
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stage_glx->xwin_width,
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stage_glx->xwin_height);
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if (stage_glx->xpixmap != None)
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{
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/* Need to recreate to resize */
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clutter_actor_unrealize (self);
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clutter_actor_realize (self);
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}
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sync_viewport (stage_glx);
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}
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if (stage_glx->xwin != None) /* Do we want to bother ? */
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XMoveWindow (stage_glx->xdpy,
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stage_glx->xwin,
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box->x1,
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box->y1);
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}
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static void
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clutter_stage_glx_set_fullscreen (ClutterStage *stage,
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gboolean fullscreen)
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{
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ClutterStageGlx *stage_glx = CLUTTER_STAGE_GLX (stage);
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Atom atom_WM_STATE, atom_WM_STATE_FULLSCREEN;
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atom_WM_STATE = XInternAtom (stage_glx->xdpy, "_NET_WM_STATE", False);
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atom_WM_STATE_FULLSCREEN = XInternAtom (stage_glx->xdpy,
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"_NET_WM_STATE_FULLSCREEN",
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False);
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if (fullscreen)
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{
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gint width, height;
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width = DisplayWidth (stage_glx->xdpy, stage_glx->xscreen);
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height = DisplayHeight (stage_glx->xdpy, stage_glx->xscreen);
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clutter_actor_set_size (CLUTTER_ACTOR (stage_glx), width, height);
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if (stage_glx->xwin != None)
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XChangeProperty (stage_glx->xdpy,
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stage_glx->xwin,
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atom_WM_STATE, XA_ATOM, 32,
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PropModeReplace,
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(unsigned char *) &atom_WM_STATE_FULLSCREEN, 1);
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}
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else
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{
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if (stage_glx->xwin != None)
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XDeleteProperty (stage_glx->xdpy, stage_glx->xwin, atom_WM_STATE);
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}
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sync_viewport (stage_glx);
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}
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static void
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clutter_stage_glx_set_cursor_visible (ClutterStage *stage,
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gboolean show_cursor)
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{
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ClutterStageGlx *stage_glx = CLUTTER_STAGE_GLX (stage);
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if (stage_glx->xwin == None)
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return;
|
|
|
|
CLUTTER_NOTE (MISC, "setting cursor state (%s) over stage window (%u)",
|
|
show_cursor ? "visible" : "invisible",
|
|
(unsigned int) stage_glx->xwin);
|
|
|
|
if (show_cursor)
|
|
{
|
|
#ifdef HAVE_XFIXES
|
|
XFixesShowCursor (stage_glx->xdpy, stage_glx->xwin);
|
|
#else
|
|
XUndefineCursor (stage_glx->xdpy, stage_glx->xwin);
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
#ifdef HAVE_XFIXES
|
|
XFixesHideCursor (stage_glx->xdpy, stage_glx->xwin);
|
|
#else
|
|
XColor col;
|
|
Pixmap pix;
|
|
Cursor curs;
|
|
|
|
pix = XCreatePixmap (stage_glx->xdpy, stage_glx->xwin, 1, 1, 1);
|
|
memset (&col, 0, sizeof (col));
|
|
curs = XCreatePixmapCursor (stage_glx->xdpy,
|
|
pix, pix,
|
|
&col, &col,
|
|
1, 1);
|
|
XFreePixmap (stage_glx->xdpy, pix);
|
|
XDefineCursor (stage_glx->xdpy, stage_glx->xwin, curs);
|
|
#endif
|
|
}
|
|
|
|
sync_viewport (stage_glx);
|
|
}
|
|
|
|
static void
|
|
clutter_stage_glx_set_offscreen (ClutterStage *stage,
|
|
gboolean offscreen)
|
|
{
|
|
|
|
}
|
|
|
|
static ClutterActor *
|
|
clutter_stage_glx_get_actor_at_pos (ClutterStage *stage,
|
|
gint x,
|
|
gint y)
|
|
{
|
|
ClutterActor *found = NULL;
|
|
GLuint buff[64] = { 0 };
|
|
GLint hits;
|
|
GLint view[4];
|
|
|
|
glSelectBuffer (sizeof (buff), buff);
|
|
glGetIntegerv (GL_VIEWPORT, view);
|
|
glRenderMode (GL_SELECT);
|
|
|
|
glInitNames ();
|
|
|
|
glPushName (0);
|
|
|
|
glMatrixMode (GL_PROJECTION);
|
|
glPushMatrix ();
|
|
glLoadIdentity ();
|
|
|
|
/* This is gluPickMatrix(x, y, 1.0, 1.0, view); */
|
|
glTranslatef ((view[2] - 2 * (x - view[0])),
|
|
(view[3] - 2 * (y - view[1])), 0);
|
|
glScalef (view[2], -view[3], 1.0);
|
|
|
|
perspective (60.0f, 1.0f, 0.1f, 100.0f);
|
|
|
|
glMatrixMode (GL_MODELVIEW);
|
|
|
|
clutter_actor_paint (CLUTTER_ACTOR (stage));
|
|
|
|
glMatrixMode (GL_PROJECTION);
|
|
glPopMatrix ();
|
|
|
|
hits = glRenderMode(GL_RENDER);
|
|
|
|
if (hits != 0)
|
|
{
|
|
#if 0
|
|
gint i
|
|
for (i = 0; i < hits; i++)
|
|
g_print ("Hit at %i\n", buff[i * 4 + 3]);
|
|
#endif
|
|
|
|
found = clutter_group_find_child_by_id (CLUTTER_GROUP (stage),
|
|
buff[(hits-1) * 4 + 3]);
|
|
}
|
|
|
|
clutter_stage_flush (stage);
|
|
|
|
return found;
|
|
}
|
|
|
|
static void
|
|
snapshot_pixbuf_free (guchar *pixels,
|
|
gpointer data)
|
|
{
|
|
g_free (pixels);
|
|
}
|
|
|
|
static void
|
|
clutter_stage_glx_draw_to_pixbuf (ClutterStage *stage,
|
|
GdkPixbuf *dest,
|
|
gint x,
|
|
gint y,
|
|
gint width,
|
|
gint height)
|
|
{
|
|
guchar *data;
|
|
GdkPixbuf *pixb;
|
|
ClutterActor *actor;
|
|
ClutterStageGlx *stage_glx;
|
|
gboolean is_offscreen = FALSE;
|
|
|
|
stage_glx = CLUTTER_STAGE_GLX (stage);
|
|
actor = CLUTTER_ACTOR (stage);
|
|
|
|
if (width < 0)
|
|
width = clutter_actor_get_width (actor);
|
|
|
|
if (height < 0)
|
|
height = clutter_actor_get_height (actor);
|
|
|
|
g_object_get (stage, "offscreen", &is_offscreen, NULL);
|
|
|
|
if (G_UNLIKELY (is_offscreen))
|
|
{
|
|
gdk_pixbuf_xlib_init (stage_glx->xdpy, stage_glx->xscreen);
|
|
|
|
dest = gdk_pixbuf_xlib_get_from_drawable (NULL,
|
|
(Drawable) stage_glx->xpixmap,
|
|
DefaultColormap (stage_glx->xdpy,
|
|
stage_glx->xscreen),
|
|
stage_glx->xvisinfo->visual,
|
|
x, y,
|
|
0, 0,
|
|
width, height);
|
|
}
|
|
else
|
|
{
|
|
data = g_malloc0 (sizeof (guchar) * width * height * 4);
|
|
|
|
glReadPixels (x,
|
|
clutter_actor_get_height (actor) - y - height,
|
|
width,
|
|
height, GL_RGBA, GL_UNSIGNED_BYTE, data);
|
|
|
|
pixb = gdk_pixbuf_new_from_data (data,
|
|
GDK_COLORSPACE_RGB,
|
|
TRUE,
|
|
8,
|
|
width, height,
|
|
width * 4,
|
|
snapshot_pixbuf_free,
|
|
NULL);
|
|
|
|
dest = gdk_pixbuf_flip (pixb, TRUE);
|
|
|
|
g_object_unref (pixb);
|
|
}
|
|
}
|
|
|
|
static void
|
|
clutter_stage_glx_flush (ClutterStage *stage)
|
|
{
|
|
sync_viewport (CLUTTER_STAGE_GLX (stage));
|
|
}
|
|
|
|
static void
|
|
clutter_stage_glx_dispose (GObject *gobject)
|
|
{
|
|
ClutterStageGlx *stage_glx = CLUTTER_STAGE_GLX (gobject);
|
|
|
|
if (stage_glx->xwin)
|
|
clutter_actor_unrealize (CLUTTER_ACTOR (stage_glx));
|
|
|
|
G_OBJECT_CLASS (clutter_stage_glx_parent_class)->dispose (gobject);
|
|
}
|
|
|
|
static void
|
|
clutter_stage_glx_class_init (ClutterStageGlxClass *klass)
|
|
{
|
|
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
|
ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
|
|
ClutterStageClass *stage_class = CLUTTER_STAGE_CLASS (klass);
|
|
|
|
gobject_class->dispose = clutter_stage_glx_dispose;
|
|
|
|
actor_class->show = clutter_stage_glx_show;
|
|
actor_class->hide = clutter_stage_glx_hide;
|
|
actor_class->realize = clutter_stage_glx_realize;
|
|
actor_class->unrealize = clutter_stage_glx_unrealize;
|
|
actor_class->paint = clutter_stage_glx_paint;
|
|
actor_class->request_coords = clutter_stage_glx_request_coords;
|
|
actor_class->allocate_coords = clutter_stage_glx_allocate_coords;
|
|
|
|
stage_class->set_fullscreen = clutter_stage_glx_set_fullscreen;
|
|
stage_class->set_cursor_visible = clutter_stage_glx_set_cursor_visible;
|
|
stage_class->set_offscreen = clutter_stage_glx_set_offscreen;
|
|
stage_class->get_actor_at_pos = clutter_stage_glx_get_actor_at_pos;
|
|
stage_class->draw_to_pixbuf = clutter_stage_glx_draw_to_pixbuf;
|
|
stage_class->flush = clutter_stage_glx_flush;
|
|
}
|
|
|
|
static void
|
|
clutter_stage_glx_init (ClutterStageGlx *stage)
|
|
{
|
|
stage->xdpy = NULL;
|
|
stage->xwin_root = None;
|
|
stage->xscreen = 0;
|
|
|
|
stage->xwin = None;
|
|
stage->xwin_width = 640;
|
|
stage->xwin_height = 480;
|
|
stage->xvisinfo = None;
|
|
|
|
stage->is_foreign_xwin = FALSE;
|
|
}
|
|
|
|
/**
|
|
* clutter_glx_get_stage_window:
|
|
* @stage: a #ClutterStage
|
|
*
|
|
* FIXME
|
|
*
|
|
* Return value: FIXME
|
|
*
|
|
* Since: 0.4
|
|
*/
|
|
Window
|
|
clutter_glx_get_stage_window (ClutterStage *stage)
|
|
{
|
|
g_return_val_if_fail (CLUTTER_IS_STAGE_GLX (stage), None);
|
|
|
|
return CLUTTER_STAGE_GLX (stage)->xwin;
|
|
}
|
|
|
|
/**
|
|
* clutter_glx_get_stage_visual:
|
|
* @stage: a #ClutterStage
|
|
*
|
|
* FIXME
|
|
*
|
|
* Return value: FIXME
|
|
*
|
|
* Since: 0.4
|
|
*/
|
|
XVisualInfo *
|
|
clutter_glx_get_stage_visual (ClutterStage *stage)
|
|
{
|
|
g_return_val_if_fail (CLUTTER_IS_STAGE_GLX (stage), NULL);
|
|
|
|
return CLUTTER_STAGE_GLX (stage)->xvisinfo;
|
|
}
|
|
|
|
void
|
|
clutter_glx_set_stage_foreign (ClutterStage *stage,
|
|
Window window)
|
|
{
|
|
g_return_if_fail (CLUTTER_IS_STAGE_GLX (stage));
|
|
|
|
/* FIXME */
|
|
}
|