1 /*
2 * Copyright © 2014 Jon Turney
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24 #ifdef HAVE_XWIN_CONFIG_H
25 #include <xwin-config.h>
26 #endif
27
28 #include <glx/glxserver.h>
29 #include <glx/glxutil.h>
30 #include <X11/extensions/windowsdriconst.h>
31
32 #include "indirect.h"
33 #include "winpriv.h"
34 #include "dri_helpers.h"
35 #include "win.h"
36
37 int
glxWinQueryDrawable(ClientPtr client,XID drawId,unsigned int * type,unsigned int * handle)38 glxWinQueryDrawable(ClientPtr client, XID drawId, unsigned int *type, unsigned int *handle)
39 {
40 __GLXWinDrawable *pDrawable;
41 int err;
42
43 if (validGlxDrawable(client, drawId, GLX_DRAWABLE_ANY,
44 DixReadAccess, (__GLXdrawable **)&pDrawable, &err)) {
45
46 switch (pDrawable->base.type)
47 {
48 case GLX_DRAWABLE_WINDOW:
49 {
50 HWND h = winGetWindowInfo((WindowPtr)(pDrawable->base.pDraw));
51 *handle = (uintptr_t)h;
52 *type = WindowsDRIDrawableWindow;
53 }
54 break;
55
56 case GLX_DRAWABLE_PIXMAP:
57 glxWinDeferredCreateDrawable(pDrawable, pDrawable->base.config);
58 *handle = pDrawable->base.pDraw->id;
59 // The XID is used to create a unique name for a file mapping
60 // shared with the requesting process
61 //
62 // XXX: Alternatively, we could use an anonymous file mapping
63 // and use DuplicateHandle to make pDrawable->hSection available
64 // to the requesting process... ?
65 *type = WindowsDRIDrawablePixmap;
66 break;
67
68 case GLX_DRAWABLE_PBUFFER:
69 glxWinDeferredCreateDrawable(pDrawable, pDrawable->base.config);
70 *handle = (uintptr_t)(pDrawable->hPbuffer);
71 *type = WindowsDRIDrawablePbuffer;
72 break;
73
74 default:
75 assert(FALSE);
76 *handle = 0;
77 }
78 }
79 else {
80 HWND h;
81 /* The drawId XID doesn't identify a GLX drawable. The only other valid
82 alternative is that it is the XID of a window drawable that is being
83 used by the pre-GLX 1.3 interface */
84 DrawablePtr pDraw;
85 int rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixGetAttrAccess);
86 if (rc != Success || pDraw->type != DRAWABLE_WINDOW) {
87 return err;
88 }
89
90 h = winGetWindowInfo((WindowPtr)(pDraw));
91 *handle = (uintptr_t)h;
92 *type = WindowsDRIDrawableWindow;
93 }
94
95 winDebug("glxWinQueryDrawable: type %d, handle %p\n", *type, (void *)(uintptr_t)*handle);
96 return Success;
97 }
98
99 int
glxWinFBConfigIDToPixelFormatIndex(int scr,int fbConfigID)100 glxWinFBConfigIDToPixelFormatIndex(int scr, int fbConfigID)
101 {
102 __GLXscreen *screen = glxGetScreen(screenInfo.screens[scr]);
103 __GLXconfig *c;
104
105 for (c = screen->fbconfigs;
106 c != NULL;
107 c = c->next) {
108 if (c->fbconfigID == fbConfigID)
109 return ((GLXWinConfig *)c)->pixelFormatIndex;
110 }
111
112 return 0;
113 }
114
115 Bool
glxWinGetScreenAiglxIsActive(ScreenPtr pScreen)116 glxWinGetScreenAiglxIsActive(ScreenPtr pScreen)
117 {
118 winPrivScreenPtr pWinScreen = winGetScreenPriv(pScreen);
119 return pWinScreen->fNativeGlActive;
120 }
121