125 lines
3.2 KiB
C
125 lines
3.2 KiB
C
/*
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* Export window information for the Windows-OpenGL GLX implementation.
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*
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* Authors: Alexander Gottwald
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*/
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#ifdef HAVE_XWIN_CONFIG_H
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#include <xwin-config.h>
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#endif
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#include "win.h"
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#include "winpriv.h"
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#include "winwindow.h"
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void
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winCreateWindowsWindow(WindowPtr pWin);
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/**
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* Return size and handles of a window.
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* If pWin is NULL, then the information for the root window is requested.
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*/
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HWND
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winGetWindowInfo(WindowPtr pWin)
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{
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winTrace("%s: pWin %p XID 0x%x\n", __FUNCTION__, pWin, (unsigned int)pWin->drawable.id);
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/* a real window was requested */
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if (pWin != NULL) {
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/* Get the window and screen privates */
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ScreenPtr pScreen = pWin->drawable.pScreen;
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winPrivScreenPtr pWinScreen = winGetScreenPriv(pScreen);
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winScreenInfoPtr pScreenInfo = NULL;
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HWND hwnd = NULL;
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if (pWinScreen == NULL) {
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ErrorF("winGetWindowInfo: screen has no privates\n");
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return NULL;
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}
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hwnd = pWinScreen->hwndScreen;
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pScreenInfo = pWinScreen->pScreenInfo;
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/* check for multiwindow mode */
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if (pScreenInfo->fMultiWindow) {
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winWindowPriv(pWin);
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if (pWinPriv == NULL) {
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ErrorF("winGetWindowInfo: window has no privates\n");
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return hwnd;
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}
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if (pWinPriv->hWnd == NULL) {
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winCreateWindowsWindow(pWin);
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winDebug("winGetWindowInfo: forcing window to exist\n");
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}
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if (pWinPriv->hWnd != NULL) {
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/* copy window handle */
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hwnd = pWinPriv->hWnd;
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/* mark GLX active on that hwnd */
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pWinPriv->fWglUsed = TRUE;
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}
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return hwnd;
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}
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#ifdef XWIN_MULTIWINDOWEXTWM
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/* check for multiwindow external wm mode */
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if (pScreenInfo->fMWExtWM) {
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win32RootlessWindowPtr pRLWinPriv
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= (win32RootlessWindowPtr) RootlessFrameForWindow(pWin, FALSE);
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if (pRLWinPriv == NULL) {
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ErrorF("winGetWindowInfo: window has no privates\n");
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return hwnd;
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}
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if (pRLWinPriv->hWnd != NULL) {
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/* copy window handle */
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hwnd = pRLWinPriv->hWnd;
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}
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return hwnd;
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}
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#endif
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}
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else {
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ScreenPtr pScreen = g_ScreenInfo[0].pScreen;
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winPrivScreenPtr pWinScreen = winGetScreenPriv(pScreen);
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if (pWinScreen == NULL) {
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ErrorF("winGetWindowInfo: screen has no privates\n");
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return NULL;
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}
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ErrorF("winGetWindowInfo: returning root window\n");
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return pWinScreen->hwndScreen;
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}
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return NULL;
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}
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Bool
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winCheckScreenAiglxIsSupported(ScreenPtr pScreen)
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{
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winPrivScreenPtr pWinScreen = winGetScreenPriv(pScreen);
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winScreenInfoPtr pScreenInfo = pWinScreen->pScreenInfo;
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if (pScreenInfo->fMultiWindow)
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return TRUE;
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#ifdef XWIN_MULTIWINDOWEXTWM
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if (pScreenInfo->fMWExtWM)
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return TRUE;
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#endif
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return FALSE;
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}
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void
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winSetScreenAiglxIsActive(ScreenPtr pScreen)
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{
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winPrivScreenPtr pWinScreen = winGetScreenPriv(pScreen);
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pWinScreen->fNativeGlActive = TRUE;
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}
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