mirror of https://github.com/PCSX2/pcsx2.git
311 lines
8.0 KiB
C++
311 lines
8.0 KiB
C++
/* ZZ Open GL graphics plugin
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* Copyright (c)2009-2010 zeydlitz@gmail.com, arcum42@gmail.com
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* Based on Zerofrog's ZeroGS KOSMOS (c)2005-2008
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "Util.h"
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#include "GLWin.h"
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#include "zerogs.h"
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#ifdef GL_X11_WINDOW
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#include <X11/Xlib.h>
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bool GLWindow::CreateWindow(void *pDisplay)
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{
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// init support of multi thread
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if (!XInitThreads())
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ZZLog::Error_Log("Failed to init the xlib concurent threads");
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glDisplay = XOpenDisplay(0);
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glScreen = DefaultScreen(glDisplay);
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if (pDisplay == NULL) return false;
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*(Display**)pDisplay = glDisplay;
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return true;
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}
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bool GLWindow::ReleaseContext()
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{
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if (context && (glDisplay != NULL))
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{
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if (!glXMakeCurrent(glDisplay, None, NULL))
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{
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ZZLog::Error_Log("Could not release drawing context.");
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}
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glXDestroyContext(glDisplay, context);
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context = NULL;
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}
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return true;
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}
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void GLWindow::CloseWindow()
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{
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conf.x = x;
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conf.y = y;
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SaveConfig();
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if (!glDisplay) return;
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/* switch back to original desktop resolution if we were in fullscreen */
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if (fullScreen)
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ToggleFullscreen();
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XSync(glDisplay, False);
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XCloseDisplay(glDisplay);
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glDisplay = NULL;
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}
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bool GLWindow::CreateVisual()
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{
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// attributes for a single buffered visual in RGBA format with at least
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// 8 bits per color and a 24 bit depth buffer
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int attrListSgl[] = {GLX_RGBA, GLX_RED_SIZE, 8,
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GLX_GREEN_SIZE, 8,
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GLX_BLUE_SIZE, 8,
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GLX_DEPTH_SIZE, 24,
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None
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};
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// attributes for a double buffered visual in RGBA format with at least
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// 8 bits per color and a 24 bit depth buffer
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int attrListDbl[] = { GLX_RGBA, GLX_DOUBLEBUFFER,
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GLX_RED_SIZE, 8,
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GLX_GREEN_SIZE, 8,
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GLX_BLUE_SIZE, 8,
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GLX_DEPTH_SIZE, 24,
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None
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};
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/* get an appropriate visual */
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vi = glXChooseVisual(glDisplay, glScreen, attrListDbl);
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if (vi == NULL)
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{
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vi = glXChooseVisual(glDisplay, glScreen, attrListSgl);
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doubleBuffered = false;
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ZZLog::Error_Log("Only Singlebuffered Visual!");
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}
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else
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{
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doubleBuffered = true;
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ZZLog::Error_Log("Got Doublebuffered Visual!");
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}
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if (vi == NULL)
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{
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ZZLog::Error_Log("Failed to get buffered Visual!");
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return false;
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}
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return true;
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}
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void GLWindow::GetWindowSize()
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{
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if (!glDisplay or !glWindow) return;
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unsigned int borderDummy;
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Window winDummy;
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s32 xDummy;
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s32 yDummy;
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XGetGeometry(glDisplay, glWindow, &winDummy, &xDummy, &yDummy, &width, &height, &borderDummy, &depth);
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ZZLog::Error_Log("Resolution %dx%d. Depth %d bpp. Position (%d,%d)", width, height, depth, x, y);
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}
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void GLWindow::GetGLXVersion()
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{
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int glxMajorVersion, glxMinorVersion;
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glXQueryVersion(glDisplay, &glxMajorVersion, &glxMinorVersion);
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ZZLog::Error_Log("glX-Version %d.%d", glxMajorVersion, glxMinorVersion);
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}
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void GLWindow::UpdateGrabKey() {
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XLockDisplay(glDisplay);
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if (fullScreen) {
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XGrabPointer(glDisplay, glWindow, True, ButtonPressMask, GrabModeAsync, GrabModeAsync, glWindow, None, CurrentTime);
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XGrabKeyboard(glDisplay, glWindow, True, GrabModeAsync, GrabModeAsync, CurrentTime);
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} else {
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XUngrabPointer(glDisplay, CurrentTime);
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XUngrabKeyboard(glDisplay, CurrentTime);
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}
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XUnlockDisplay(glDisplay);
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}
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#define _NET_WM_STATE_REMOVE 0
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#define _NET_WM_STATE_ADD 1
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#define _NET_WM_STATE_TOGGLE 2
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void GLWindow::ToggleFullscreen()
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{
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if (!glDisplay or !glWindow) return;
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u32 mask = SubstructureRedirectMask | SubstructureNotifyMask;
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// Setup a new event structure
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XClientMessageEvent cme;
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cme.type = ClientMessage;
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cme.send_event = True;
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cme.display = glDisplay;
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cme.window = glWindow;
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cme.message_type = XInternAtom(glDisplay, "_NET_WM_STATE", False);
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cme.format = 32;
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cme.data.l[0] = _NET_WM_STATE_TOGGLE;
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cme.data.l[1] = (u32)XInternAtom(glDisplay, "_NET_WM_STATE_FULLSCREEN", False);
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cme.data.l[2] = 0;
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cme.data.l[3] = 0;
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// send the event
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XLockDisplay(glDisplay);
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if (!XSendEvent(glDisplay, RootWindow(glDisplay, vi->screen), False, mask, (XEvent*)(&cme)))
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ZZLog::Error_Log("Failed to send event: toggle fullscreen");
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else
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fullScreen = (!fullScreen);
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XUnlockDisplay(glDisplay);
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// Apply the change
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XSync(glDisplay, False);
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// update info structure
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GetWindowSize();
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// Grab key if needed
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UpdateGrabKey();
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// Hide the cursor in the right bottom corner
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if(fullScreen)
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XWarpPointer(glDisplay, None, glWindow, 0, 0, 0, 0, width, height);
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}
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bool GLWindow::DisplayWindow(int _width, int _height)
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{
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Colormap cmap;
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x = conf.x;
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y = conf.y;
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fullScreen = (conf.fullscreen());
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if (!CreateVisual()) return false;
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/* create a GLX context */
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context = glXCreateContext(glDisplay, vi, NULL, GL_TRUE);
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/* create a color map */
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cmap = XCreateColormap(glDisplay, RootWindow(glDisplay, vi->screen),
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vi->visual, AllocNone);
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attr.colormap = cmap;
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attr.border_pixel = 0;
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attr.event_mask = ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask |
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StructureNotifyMask | SubstructureRedirectMask | SubstructureNotifyMask |
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EnterWindowMask | LeaveWindowMask | FocusChangeMask ;
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GetGLXVersion();
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glWindow = XCreateWindow(glDisplay, RootWindow(glDisplay, vi->screen),
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0, 0, _width, _height, 0, vi->depth, InputOutput, vi->visual,
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CWBorderPixel | CWColormap | CWEventMask,
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&attr);
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/* Allow to kill properly the window */
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Atom wmDelete = XInternAtom(glDisplay, "WM_DELETE_WINDOW", True);
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XSetWMProtocols(glDisplay, glWindow, &wmDelete, 1);
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// Set icon name
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XSetIconName(glDisplay, glWindow, "ZZogl-pg");
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// Draw the window
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XMapRaised(glDisplay, glWindow);
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XSync(glDisplay, false);
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// connect the glx-context to the window
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glXMakeCurrent(glDisplay, glWindow, context);
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if (glXIsDirect(glDisplay, context))
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ZZLog::Error_Log("You have Direct Rendering!");
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else
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ZZLog::Error_Log("No Direct Rendering possible!");
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if (fullScreen) {
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ToggleFullscreen();
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} else {
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// Restore the window position
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XMoveWindow(glDisplay, glWindow, x, y);
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GetWindowSize();
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}
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return true;
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}
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void GLWindow::SwapGLBuffers()
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{
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glXSwapBuffers(glDisplay, glWindow);
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}
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void GLWindow::SetTitle(char *strtitle)
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{
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if (!glDisplay or !glWindow) return;
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if (fullScreen) return;
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XTextProperty prop;
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memset(&prop, 0, sizeof(prop));
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char* ptitle = strtitle;
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if (XStringListToTextProperty(&ptitle, 1, &prop)) {
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XLockDisplay(glDisplay);
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XSetWMName(glDisplay, glWindow, &prop);
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XUnlockDisplay(glDisplay);
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}
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XFree(prop.value);
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}
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void GLWindow::ResizeCheck()
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{
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XEvent event;
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while (XCheckTypedEvent(glDisplay, ConfigureNotify, &event))
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{
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if ((event.xconfigure.width != width) || (event.xconfigure.height != height))
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{
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ZeroGS::ChangeWindowSize(event.xconfigure.width, event.xconfigure.height);
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width = event.xconfigure.width;
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height = event.xconfigure.height;
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}
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if (!fullScreen) {
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if ((event.xconfigure.x != x) || (event.xconfigure.y != y))
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{
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// Fixme; x&y occassionally gives values near the top left corner rather then the real values,
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// causing the window to change positions when adjusting ZZOgl's settings.
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x = event.xconfigure.x;
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y = event.xconfigure.y;
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}
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}
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}
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}
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#endif
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