if (vmesa->driDrawable->w == 0 || vmesa->driDrawable->h == 0) {
vb[2] = (HC_SubA_HClipTB << 24) | 0x0;
vb[3] = (HC_SubA_HClipLR << 24) | 0x0;
if (vmesa->driDrawable->w == 0 || vmesa->driDrawable->h == 0) {
vb[2] = (HC_SubA_HClipTB << 24) | 0x0;
vb[3] = (HC_SubA_HClipLR << 24) | 0x0;