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Bugzilla #3566 <https://bugs.freedesktop.org/show_bug.cgi?id=3566> Patch 

#2906 <https://bugs.freedesktop.org/attachment.cgi?id=2906> Fix for
    RENDER, repeating pictures and offscreen memory (Owen Taylor)
This commit is contained in:
Alan Coopersmith 2005-08-01 22:22:16 +00:00
parent 2acd29c93f
commit 7c84189ea1
1 changed files with 8 additions and 4 deletions
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12
fb/fbpict.c
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@ -1265,30 +1265,34 @@ fbComposite (CARD8 op,
x_dst = pbox->x1;
if (maskRepeat)
{
y_msk = mod (y_msk, pMask->pDrawable->height);
y_msk = mod (y_msk - pMask->pDrawable->y, pMask->pDrawable->height);
if (h_this > pMask->pDrawable->height - y_msk)
h_this = pMask->pDrawable->height - y_msk;
y_msk += pMask->pDrawable->y;
}
if (srcRepeat)
{
y_src = mod (y_src, pSrc->pDrawable->height);
y_src = mod (y_src - pSrc->pDrawable->y, pSrc->pDrawable->height);
if (h_this > pSrc->pDrawable->height - y_src)
h_this = pSrc->pDrawable->height - y_src;
y_src += pSrc->pDrawable->y;
}
while (w)
{
w_this = w;
if (maskRepeat)
{
x_msk = mod (x_msk, pMask->pDrawable->width);
x_msk = mod (x_msk - pMask->pDrawable->x, pMask->pDrawable->width);
if (w_this > pMask->pDrawable->width - x_msk)
w_this = pMask->pDrawable->width - x_msk;
x_msk += pMask->pDrawable->x;
}
if (srcRepeat)
{
x_src = mod (x_src, pSrc->pDrawable->width);
x_src = mod (x_src - pSrc->pDrawable->x, pSrc->pDrawable->width);
if (w_this > pSrc->pDrawable->width - x_src)
w_this = pSrc->pDrawable->width - x_src;
x_src += pSrc->pDrawable->x;
}
(*func) (op, pSrc, pMask, pDst,
x_src, y_src, x_msk, y_msk, x_dst, y_dst,