+ if(bld->format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS) {
+ LLVMValueRef x_lo, x_hi;
+ LLVMValueRef y_lo, y_hi;
+ LLVMValueRef x_stride_lo, x_stride_hi;
+ LLVMValueRef y_stride_lo, y_stride_hi;
+ LLVMValueRef x_offset_lo, x_offset_hi;
+ LLVMValueRef y_offset_lo, y_offset_hi;
+ LLVMValueRef offset_lo, offset_hi;
+
+ x_lo = LLVMBuildAnd(bld->builder, x, int_coord_bld->one, "");
+ y_lo = LLVMBuildAnd(bld->builder, y, int_coord_bld->one, "");
+
+ x_hi = LLVMBuildLShr(bld->builder, x, int_coord_bld->one, "");
+ y_hi = LLVMBuildLShr(bld->builder, y, int_coord_bld->one, "");
+
+ x_stride_lo = x_stride;
+ y_stride_lo = lp_build_const_scalar(bld->int_coord_type, 2*bld->format_desc->block.bits/8);
+
+ x_stride_hi = lp_build_const_scalar(bld->int_coord_type, 4*bld->format_desc->block.bits/8);
+ y_stride_hi = LLVMBuildShl(bld->builder, y_stride, int_coord_bld->one, "");
+
+ x_offset_lo = lp_build_mul(int_coord_bld, x_lo, x_stride_lo);
+ y_offset_lo = lp_build_mul(int_coord_bld, y_lo, y_stride_lo);
+ offset_lo = lp_build_add(int_coord_bld, x_offset_lo, y_offset_lo);