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cell: fix twiddled tile display for XSHM. Fixed blank window problem.

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This commit is contained in:
Brian Paul 2008-09-12 11:35:22 -06:00
parent 31d2e5b954
commit 73193b7735
1 changed files with 12 additions and 5 deletions
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17
src/gallium/winsys/xlib/xm_winsys.c
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@ -349,19 +349,26 @@ xmesa_display_surface_tiled(XMesaBuffer b, const struct pipe_surface *surf)
if (x + w > surf->width)
w = surf->width - x;
offset *= 4 * TILE_SIZE * TILE_SIZE;
twiddle_tile((uint *) ((char *) xm_buf->data + offset),
tmpTile);
ximage->data = (char*) tmpTile;
/* offset in pixels */
offset *= TILE_SIZE * TILE_SIZE;
if (XSHM_ENABLED(xm_buf)) {
ximage->data = (char *) xm_buf->data + 4 * offset;
/* make copy of tile data */
memcpy(tmpTile, (uint *) ximage->data, sizeof(tmpTile));
/* twiddle from temp to ximage in shared memory */
twiddle_tile(tmpTile, (uint *) ximage->data);
/* display image in shared memory */
#if defined(USE_XSHM) && !defined(XFree86Server)
XShmPutImage(b->xm_visual->display, b->drawable, b->gc,
ximage, 0, 0, x, y, w, h, False);
#endif
}
else {
/* twiddel from ximage buffer to temp tile */
twiddle_tile((uint *) xm_buf->data + offset, tmpTile);
/* display temp tile data */
ximage->data = (char *) tmpTile;
XPutImage(b->xm_visual->display, b->drawable, b->gc,
ximage, 0, 0, x, y, w, h);
}