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xserver/hw/xwin/glx/winpriv.c

102 lines
2.5 KiB
C

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