xenocara/xserver/hw/xwin/glx/dri_helpers.c
matthieu 1a66cad3fb Update to xserver 1.19.5.
Tested by bru@, jsg@ and others
2017-12-08 15:01:59 +00:00

121 lines
4.1 KiB
C

/*
* Copyright © 2014 Jon Turney
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifdef HAVE_XWIN_CONFIG_H
#include <xwin-config.h>
#endif
#include <glx/glxserver.h>
#include <glx/glxutil.h>
#include <X11/extensions/windowsdriconst.h>
#include "indirect.h"
#include "winpriv.h"
#include "dri_helpers.h"
#include "win.h"
int
glxWinQueryDrawable(ClientPtr client, XID drawId, unsigned int *type, unsigned int *handle)
{
__GLXWinDrawable *pDrawable;
int err;
if (validGlxDrawable(client, drawId, GLX_DRAWABLE_ANY,
DixReadAccess, (__GLXdrawable **)&pDrawable, &err)) {
switch (pDrawable->base.type)
{
case GLX_DRAWABLE_WINDOW:
{
HWND h = winGetWindowInfo((WindowPtr)(pDrawable->base.pDraw));
*handle = (uintptr_t)h;
*type = WindowsDRIDrawableWindow;
}
break;
case GLX_DRAWABLE_PIXMAP:
glxWinDeferredCreateDrawable(pDrawable, pDrawable->base.config);
*handle = pDrawable->base.pDraw->id;
// The XID is used to create a unique name for a file mapping
// shared with the requesting process
//
// XXX: Alternatively, we could use an anonymous file mapping
// and use DuplicateHandle to make pDrawable->hSection available
// to the requesting process... ?
*type = WindowsDRIDrawablePixmap;
break;
case GLX_DRAWABLE_PBUFFER:
glxWinDeferredCreateDrawable(pDrawable, pDrawable->base.config);
*handle = (uintptr_t)(pDrawable->hPbuffer);
*type = WindowsDRIDrawablePbuffer;
break;
default:
assert(FALSE);
*handle = 0;
}
}
else {
HWND h;
/* The drawId XID doesn't identify a GLX drawable. The only other valid
alternative is that it is the XID of a window drawable that is being
used by the pre-GLX 1.3 interface */
DrawablePtr pDraw;
int rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixGetAttrAccess);
if (rc != Success || pDraw->type != DRAWABLE_WINDOW) {
return err;
}
h = winGetWindowInfo((WindowPtr)(pDraw));
*handle = (uintptr_t)h;
*type = WindowsDRIDrawableWindow;
}
winDebug("glxWinQueryDrawable: type %d, handle %p\n", *type, (void *)(uintptr_t)*handle);
return Success;
}
int
glxWinFBConfigIDToPixelFormatIndex(int scr, int fbConfigID)
{
__GLXscreen *screen = glxGetScreen(screenInfo.screens[scr]);
__GLXconfig *c;
for (c = screen->fbconfigs;
c != NULL;
c = c->next) {
if (c->fbconfigID == fbConfigID)
return ((GLXWinConfig *)c)->pixelFormatIndex;
}
return 0;
}
Bool
glxWinGetScreenAiglxIsActive(ScreenPtr pScreen)
{
winPrivScreenPtr pWinScreen = winGetScreenPriv(pScreen);
return pWinScreen->fNativeGlActive;
}