gecko-dev/gfx/cairo/xlib-flush-glyphs.patch

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diff --git a/gfx/cairo/cairo/src/cairo-xlib-surface.c b/gfx/cairo/cairo/src/cairo-xlib-surface.c
index f0de3c7..e24c962 100644
--- a/gfx/cairo/cairo/src/cairo-xlib-surface.c
+++ b/gfx/cairo/cairo/src/cairo-xlib-surface.c
@@ -50,35 +50,36 @@
#include "cairo-xlib-private.h"
#include "cairo-xlib-surface-private.h"
#include "cairo-clip-private.h"
#include "cairo-error-private.h"
#include "cairo-scaled-font-private.h"
#include "cairo-surface-snapshot-private.h"
#include "cairo-surface-subsurface-private.h"
#include "cairo-region-private.h"
+#include "cairo-xlib-xrender-private.h"
#include <X11/Xutil.h> /* for XDestroyImage */
+#include <X11/Xlibint.h> /* for access to XDisplay's innards */
#define XLIB_COORD_MAX 32767
#define DEBUG 0
#if DEBUG
#define UNSUPPORTED(reason) \
fprintf (stderr, \
"cairo-xlib: hit unsupported operation %s(), line %d: %s\n", \
__FUNCTION__, __LINE__, reason), \
CAIRO_INT_STATUS_UNSUPPORTED
#else
#define UNSUPPORTED(reason) CAIRO_INT_STATUS_UNSUPPORTED
#endif
#if DEBUG
-#include <X11/Xlibint.h>
static void CAIRO_PRINTF_FORMAT (2, 3)
_x_bread_crumb (Display *dpy,
const char *fmt,
...)
{
xReq *req;
char buf[2048];
unsigned int len, len_dwords;
@@ -4313,16 +4314,23 @@ _cairo_xlib_surface_add_glyph (cairo_xlib_display_t *display,
}
break;
default:
ASSERT_NOT_REACHED;
break;
}
/* XXX assume X server wants pixman padding. Xft assumes this as well */
+ struct _XDisplay *dpy = (struct _XDisplay *) display->display;
+ int req_length = sz_xRenderAddGlyphsReq + 4;
+ if (req_length & 3)
+ req_length += 4 - (req_length & 3);
+ if (dpy->bufptr + req_length > dpy->bufmax)
+ XFlush (display->display);
+
XRenderAddGlyphs (display->display, glyphset_info->glyphset,
&glyph_index, &glyph_info, 1,
(char *) data,
glyph_surface->stride * glyph_surface->height);
if (data != glyph_surface->data)
free (data);