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a09e091a JB |
1 | /* |
2 | * Export window information for the Windows-OpenGL GLX implementation. | |
3 | * | |
4 | * Authors: Alexander Gottwald | |
5 | */ | |
6 | ||
7 | #ifdef HAVE_XWIN_CONFIG_H | |
8 | #include <xwin-config.h> | |
9 | #endif | |
10 | #include "win.h" | |
11 | #include "winpriv.h" | |
12 | #include "winwindow.h" | |
13 | ||
14 | void | |
15 | winCreateWindowsWindow(WindowPtr pWin); | |
16 | ||
17 | /** | |
18 | * Return size and handles of a window. | |
19 | * If pWin is NULL, then the information for the root window is requested. | |
20 | */ | |
21 | HWND | |
22 | winGetWindowInfo(WindowPtr pWin) | |
23 | { | |
24 | winTrace("%s: pWin %p XID 0x%x\n", __FUNCTION__, pWin, pWin->drawable.id); | |
25 | ||
26 | /* a real window was requested */ | |
27 | if (pWin != NULL) { | |
28 | /* Get the window and screen privates */ | |
29 | ScreenPtr pScreen = pWin->drawable.pScreen; | |
30 | winPrivScreenPtr pWinScreen = winGetScreenPriv(pScreen); | |
31 | winScreenInfoPtr pScreenInfo = NULL; | |
32 | HWND hwnd = NULL; | |
33 | ||
34 | if (pWinScreen == NULL) { | |
35 | ErrorF("winGetWindowInfo: screen has no privates\n"); | |
36 | return NULL; | |
37 | } | |
38 | ||
39 | hwnd = pWinScreen->hwndScreen; | |
40 | ||
41 | pScreenInfo = pWinScreen->pScreenInfo; | |
42 | #ifdef XWIN_MULTIWINDOW | |
43 | /* check for multiwindow mode */ | |
44 | if (pScreenInfo->fMultiWindow) { | |
45 | winWindowPriv(pWin); | |
46 | ||
47 | if (pWinPriv == NULL) { | |
48 | ErrorF("winGetWindowInfo: window has no privates\n"); | |
49 | return hwnd; | |
50 | } | |
51 | ||
52 | if (pWinPriv->hWnd == NULL) { | |
53 | winCreateWindowsWindow(pWin); | |
54 | ErrorF("winGetWindowInfo: forcing window to exist...\n"); | |
55 | } | |
56 | ||
57 | if (pWinPriv->hWnd != NULL) { | |
58 | /* copy window handle */ | |
59 | hwnd = pWinPriv->hWnd; | |
60 | ||
61 | /* mark GLX active on that hwnd */ | |
62 | pWinPriv->fWglUsed = TRUE; | |
63 | } | |
64 | ||
65 | return hwnd; | |
66 | } | |
67 | #endif | |
68 | #ifdef XWIN_MULTIWINDOWEXTWM | |
69 | /* check for multiwindow external wm mode */ | |
70 | if (pScreenInfo->fMWExtWM) { | |
71 | win32RootlessWindowPtr pRLWinPriv | |
72 | = (win32RootlessWindowPtr) RootlessFrameForWindow(pWin, FALSE); | |
73 | ||
74 | if (pRLWinPriv == NULL) { | |
75 | ErrorF("winGetWindowInfo: window has no privates\n"); | |
76 | return hwnd; | |
77 | } | |
78 | ||
79 | if (pRLWinPriv->hWnd != NULL) { | |
80 | /* copy window handle */ | |
81 | hwnd = pRLWinPriv->hWnd; | |
82 | } | |
83 | return hwnd; | |
84 | } | |
85 | #endif | |
86 | } | |
87 | else { | |
88 | ScreenPtr pScreen = g_ScreenInfo[0].pScreen; | |
89 | winPrivScreenPtr pWinScreen = winGetScreenPriv(pScreen); | |
90 | ||
91 | if (pWinScreen == NULL) { | |
92 | ErrorF("winGetWindowInfo: screen has no privates\n"); | |
93 | return NULL; | |
94 | } | |
95 | ||
96 | ErrorF("winGetWindowInfo: returning root window\n"); | |
97 | ||
98 | return pWinScreen->hwndScreen; | |
99 | } | |
100 | ||
101 | return NULL; | |
102 | } | |
103 | ||
104 | Bool | |
105 | winCheckScreenAiglxIsSupported(ScreenPtr pScreen) | |
106 | { | |
107 | winPrivScreenPtr pWinScreen = winGetScreenPriv(pScreen); | |
108 | winScreenInfoPtr pScreenInfo = pWinScreen->pScreenInfo; | |
109 | ||
110 | #ifdef XWIN_MULTIWINDOW | |
111 | if (pScreenInfo->fMultiWindow) | |
112 | return TRUE; | |
113 | #endif | |
114 | ||
115 | #ifdef XWIN_MULTIWINDOWEXTWM | |
116 | if (pScreenInfo->fMWExtWM) | |
117 | return TRUE; | |
118 | #endif | |
119 | ||
120 | return FALSE; | |
121 | } |