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xwayland: Make copy_pixmap_area return void 

GetScratchGC can't really fail without a bug elsewhere. Just FatalError
in that case, so we'd get a bug report if it ever happens, instead of
trying to limp along.
This commit is contained in:
Michel Dänzer 2023-12-21 12:06:07 +01:00 committed by Michel Dänzer
parent d1bbf82d72
commit 114f060de5
1 changed files with 22 additions and 29 deletions
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51
hw/xwayland/xwayland-window-buffers.c
View File

@ -45,27 +45,24 @@ struct xwl_window_buffer {
struct xorg_list link_buffer;
};
static Bool
static void
copy_pixmap_area(PixmapPtr src_pixmap, PixmapPtr dst_pixmap,
int x, int y, int width, int height)
{
GCPtr pGC;
pGC = GetScratchGC(dst_pixmap->drawable.depth,
dst_pixmap->drawable.pScreen);
if (pGC) {
ValidateGC(&dst_pixmap->drawable, pGC);
(void) (*pGC->ops->CopyArea) (&src_pixmap->drawable,
&dst_pixmap->drawable,
pGC,
x, y,
width, height,
x, y);
FreeScratchGC(pGC);
if (!pGC)
FatalError("GetScratchGC failed for depth %d", dst_pixmap->drawable.depth);
return TRUE;
}
return FALSE;
ValidateGC(&dst_pixmap->drawable, pGC);
(void) (*pGC->ops->CopyArea) (&src_pixmap->drawable,
&dst_pixmap->drawable,
pGC,
x, y,
width, height,
x, y);
FreeScratchGC(pGC);
}
static struct xwl_window_buffer *
@ -317,13 +314,12 @@ xwl_window_buffers_get_pixmap(struct xwl_window *xwl_window,
BoxPtr pBox = RegionRects(full_damage);
int nBox = RegionNumRects(full_damage);
while (nBox--) {
if (!copy_pixmap_area(window_pixmap,
xwl_window_buffer->pixmap,
pBox->x1 + xwl_window->window->borderWidth,
pBox->y1 + xwl_window->window->borderWidth,
pBox->x2 - pBox->x1,
pBox->y2 - pBox->y1))
return window_pixmap;
copy_pixmap_area(window_pixmap,
xwl_window_buffer->pixmap,
pBox->x1 + xwl_window->window->borderWidth,
pBox->y1 + xwl_window->window->borderWidth,
pBox->x2 - pBox->x1,
pBox->y2 - pBox->y1);
pBox++;
}
@ -345,14 +341,11 @@ xwl_window_buffers_get_pixmap(struct xwl_window *xwl_window,
if (!xwl_window_buffer->pixmap)
return window_pixmap;
if (!copy_pixmap_area(window_pixmap,
xwl_window_buffer->pixmap,
0, 0,
window_pixmap->drawable.width,
window_pixmap->drawable.height)) {
xwl_window_buffer_recycle(xwl_window_buffer);
return window_pixmap;
}
copy_pixmap_area(window_pixmap,
xwl_window_buffer->pixmap,
0, 0,
window_pixmap->drawable.width,
window_pixmap->drawable.height);
}
RegionEmpty(xwl_window_buffer->damage_region);