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vmware-vga: use vmsvga_verify_rect in vmsvga_update_rect 

Switch vmsvga_update_rect over to use vmsvga_verify_rect.  Slight change
in behavior:  We don't try to automatically fixup rectangles any more.
In case we find invalid update requests we'll do a full-screen update
instead.

Cc: qemu-stable@nongnu.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Don Koch <dkoch@verizon.com>
This commit is contained in:
Gerd Hoffmann 2014-10-06 11:58:22 +02:00
parent 07258900fd
commit 1735fe1edb
1 changed files with 4 additions and 28 deletions
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32
hw/display/vmware_vga.c
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@ -356,36 +356,12 @@ static inline void vmsvga_update_rect(struct vmsvga_state_s *s,
uint8_t *src;
uint8_t *dst;
if (x < 0) {
fprintf(stderr, "%s: update x was < 0 (%d)\n", __func__, x);
w += x;
if (!vmsvga_verify_rect(surface, __func__, x, y, w, h)) {
/* go for a fullscreen update as fallback */
x = 0;
}
if (w < 0) {
fprintf(stderr, "%s: update w was < 0 (%d)\n", __func__, w);
w = 0;
}
if (x + w > surface_width(surface)) {
fprintf(stderr, "%s: update width too large x: %d, w: %d\n",
__func__, x, w);
x = MIN(x, surface_width(surface));
w = surface_width(surface) - x;
}
if (y < 0) {
fprintf(stderr, "%s: update y was < 0 (%d)\n", __func__, y);
h += y;
y = 0;
}
if (h < 0) {
fprintf(stderr, "%s: update h was < 0 (%d)\n", __func__, h);
h = 0;
}
if (y + h > surface_height(surface)) {
fprintf(stderr, "%s: update height too large y: %d, h: %d\n",
__func__, y, h);
y = MIN(y, surface_height(surface));
h = surface_height(surface) - y;
w = surface_width(surface);
h = surface_height(surface);
}
bypl = surface_stride(surface);