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rootless: Add additional debug logging to help triage XQuartz fb/rootless/damage crashes 

Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
(cherry picked from commit 07ed1a623a)
This commit is contained in:
Jeremy Huddleston Sequoia 2022-12-14 23:45:13 -08:00
parent 264272f3d7
commit a0216de236
Failed to extract signature
1 changed files with 41 additions and 3 deletions
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44
miext/rootless/rootlessCommon.c
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@ -134,6 +134,23 @@ RootlessResolveColormap(ScreenPtr pScreen, int first_color,
return TRUE;
}
unsigned long RootlessWID(WindowPtr pWindow) {
ScreenPtr pScreen = pWindow->drawable.pScreen;
WindowPtr top = TopLevelParent(pWindow);
RootlessWindowRec *winRec;
PixmapPtr curPixmap;
if (top == NULL) {
return 0;
}
winRec = WINREC(top);
if (winRec == NULL) {
return 0;
}
return (unsigned long)(uintptr_t)winRec->wid;
}
/*
* RootlessStartDrawing
* Prepare a window for direct access to its backing buffer.
@ -148,11 +165,15 @@ RootlessStartDrawing(WindowPtr pWindow)
RootlessWindowRec *winRec;
PixmapPtr curPixmap;
if (top == NULL)
if (top == NULL) {
RL_DEBUG_MSG("RootlessStartDrawing is a no-op because top == NULL.\n");
return;
}
winRec = WINREC(top);
if (winRec == NULL)
if (winRec == NULL) {
RL_DEBUG_MSG("RootlessStartDrawing is a no-op because winRec == NULL.\n");
return;
}
// Make sure the window's top-level parent is prepared for drawing.
if (!winRec->is_drawing) {
@ -166,10 +187,23 @@ RootlessStartDrawing(WindowPtr pWindow)
top->drawable.depth,
top->drawable.bitsPerPixel,
winRec->bytesPerRow, winRec->pixelData);
RL_DEBUG_MSG("GetScratchPixmapHeader gave us %p %p (%d,%d %dx%d %d) for wid=%lu\n",
winRec->pixmap, winRec->pixmap->devPrivate.ptr, winRec->pixmap->drawable.x,
winRec->pixmap->drawable.y, winRec->pixmap->drawable.width, winRec->pixmap->drawable.height,
winRec->pixmap->drawable.bitsPerPixel, RootlessWID(pWindow));
SetPixmapBaseToScreen(winRec->pixmap,
top->drawable.x - bw, top->drawable.y - bw);
RL_DEBUG_MSG("After SetPixmapBaseToScreen(%d %d %d): %p (%d,%d %dx%d %d) for wid=%lu\n",
top->drawable.x, top->drawable.y, bw, winRec->pixmap->devPrivate.ptr, winRec->pixmap->drawable.x,
winRec->pixmap->drawable.y, winRec->pixmap->drawable.width, winRec->pixmap->drawable.height,
winRec->pixmap->drawable.bitsPerPixel, RootlessWID(pWindow));
winRec->is_drawing = TRUE;
} else {
RL_DEBUG_MSG("Skipped call to xprStartDrawing (wid: %lu) because winRec->is_drawing says we already did.\n", RootlessWID(pWindow));
}
curPixmap = pScreen->GetWindowPixmap(pWindow);
@ -181,6 +215,10 @@ RootlessStartDrawing(WindowPtr pWindow)
PixmapPtr oldPixmap =
dixLookupPrivate(&pWindow->devPrivates,
rootlessWindowOldPixmapPrivateKey);
RL_DEBUG_MSG("curPixmap is %p %p for wid=%lu\n", curPixmap, curPixmap ? curPixmap->devPrivate.ptr : NULL, RootlessWID(pWindow));
RL_DEBUG_MSG("oldPixmap is %p %p for wid=%lu\n", oldPixmap, oldPixmap ? oldPixmap->devPrivate.ptr : NULL, RootlessWID(pWindow));
if (oldPixmap != NULL) {
if (oldPixmap == curPixmap)
RL_DEBUG_MSG
@ -277,7 +315,7 @@ RootlessDamageRegion(WindowPtr pWindow, RegionPtr pRegion)
WindowPtr pTop;
BoxPtr b1, b2;
RL_DEBUG_MSG("Damaged win 0x%x ", pWindow);
RL_DEBUG_MSG("Damaged win %p\n", pWindow);
pTop = TopLevelParent(pWindow);
if (pTop == NULL)