gallium: do image clipping in xmesa_display_surface_tiled()

This commit is contained in:
Brian Paul 2008-09-03 11:44:14 -06:00
parent 8b8952aa69
commit 6ebf712d88

View file

@ -306,11 +306,16 @@ xmesa_display_surface_tiled(XMesaBuffer b, const struct pipe_surface *surf)
for (y = 0; y < surf->height; y += TILE_SIZE) {
for (x = 0; x < surf->width; x += TILE_SIZE) {
int dx = x;
int dy = y;
int tx = x / TILE_SIZE;
int ty = y / TILE_SIZE;
int offset = ty * tilesPerRow + tx;
int w = TILE_SIZE;
int h = TILE_SIZE;
if (y + h > surf->height)
h = surf->height - y;
if (x + w > surf->width)
w = surf->width - x;
offset *= 4 * TILE_SIZE * TILE_SIZE;
@ -319,11 +324,12 @@ xmesa_display_surface_tiled(XMesaBuffer b, const struct pipe_surface *surf)
if (XSHM_ENABLED(xm_buf)) {
#if defined(USE_XSHM) && !defined(XFree86Server)
XShmPutImage(b->xm_visual->display, b->drawable, b->gc,
ximage, 0, 0, x, y, TILE_SIZE, TILE_SIZE, False);
ximage, 0, 0, x, y, w, h, False);
#endif
} else {
}
else {
XPutImage(b->xm_visual->display, b->drawable, b->gc,
ximage, 0, 0, dx, dy, TILE_SIZE, TILE_SIZE);
ximage, 0, 0, x, y, w, h);
}
}
}