/* subtract 0.5 (add -128) */
i32_c128 = lp_build_const_int_vec(i32.type, -128);
- if (!bld->static_state->force_nearest_s) {
- s = LLVMBuildAdd(builder, s, i32_c128, "");
- }
- if (dims >= 2 && !bld->static_state->force_nearest_t) {
+ s = LLVMBuildAdd(builder, s, i32_c128, "");
+ if (dims >= 2) {
t = LLVMBuildAdd(builder, t, i32_c128, "");
}
if (dims >= 3) {
/*
* Linear interpolation with 8.8 fixed point.
*/
- if (bld->static_state->force_nearest_s) {
- /* special case 1-D lerp */
- packed_lo = lp_build_lerp(&h16,
- t_fpart_lo,
- neighbors_lo[0][0][0],
- neighbors_lo[0][0][1]);
-
- packed_hi = lp_build_lerp(&h16,
- t_fpart_hi,
- neighbors_hi[0][1][0],
- neighbors_hi[0][1][0]);
- }
- else if (bld->static_state->force_nearest_t) {
- /* special case 1-D lerp */
+ if (dims == 1) {
+ /* 1-D lerp */
packed_lo = lp_build_lerp(&h16,
- s_fpart_lo,
- neighbors_lo[0][0][0],
- neighbors_lo[0][0][1]);
+ s_fpart_lo,
+ neighbors_lo[0][0][0],
+ neighbors_lo[0][0][1]);
packed_hi = lp_build_lerp(&h16,
- s_fpart_hi,
- neighbors_hi[0][0][0],
- neighbors_hi[0][0][1]);
+ s_fpart_hi,
+ neighbors_hi[0][0][0],
+ neighbors_hi[0][0][1]);
}
else {
- /* general 1/2/3-D lerping */
- if (dims == 1) {
- packed_lo = lp_build_lerp(&h16,
- s_fpart_lo,
- neighbors_lo[0][0][0],
- neighbors_lo[0][0][1]);
-
- packed_hi = lp_build_lerp(&h16,
- s_fpart_hi,
- neighbors_hi[0][0][0],
- neighbors_hi[0][0][1]);
- }
- else {
- /* 2-D lerp */
- packed_lo = lp_build_lerp_2d(&h16,
- s_fpart_lo, t_fpart_lo,
- neighbors_lo[0][0][0],
- neighbors_lo[0][0][1],
- neighbors_lo[0][1][0],
- neighbors_lo[0][1][1]);
-
- packed_hi = lp_build_lerp_2d(&h16,
- s_fpart_hi, t_fpart_hi,
- neighbors_hi[0][0][0],
- neighbors_hi[0][0][1],
- neighbors_hi[0][1][0],
- neighbors_hi[0][1][1]);
+ /* 2-D lerp */
+ packed_lo = lp_build_lerp_2d(&h16,
+ s_fpart_lo, t_fpart_lo,
+ neighbors_lo[0][0][0],
+ neighbors_lo[0][0][1],
+ neighbors_lo[0][1][0],
+ neighbors_lo[0][1][1]);
+
+ packed_hi = lp_build_lerp_2d(&h16,
+ s_fpart_hi, t_fpart_hi,
+ neighbors_hi[0][0][0],
+ neighbors_hi[0][0][1],
+ neighbors_hi[0][1][0],
+ neighbors_hi[0][1][1]);
- if (dims >= 3) {
- LLVMValueRef packed_lo2, packed_hi2;
-
- /* lerp in the second z slice */
- packed_lo2 = lp_build_lerp_2d(&h16,
- s_fpart_lo, t_fpart_lo,
- neighbors_lo[1][0][0],
- neighbors_lo[1][0][1],
- neighbors_lo[1][1][0],
- neighbors_lo[1][1][1]);
-
- packed_hi2 = lp_build_lerp_2d(&h16,
- s_fpart_hi, t_fpart_hi,
- neighbors_hi[1][0][0],
- neighbors_hi[1][0][1],
- neighbors_hi[1][1][0],
- neighbors_hi[1][1][1]);
- /* interp between two z slices */
- packed_lo = lp_build_lerp(&h16, r_fpart_lo,
- packed_lo, packed_lo2);
- packed_hi = lp_build_lerp(&h16, r_fpart_hi,
- packed_hi, packed_hi2);
- }
+ if (dims >= 3) {
+ LLVMValueRef packed_lo2, packed_hi2;
+
+ /* lerp in the second z slice */
+ packed_lo2 = lp_build_lerp_2d(&h16,
+ s_fpart_lo, t_fpart_lo,
+ neighbors_lo[1][0][0],
+ neighbors_lo[1][0][1],
+ neighbors_lo[1][1][0],
+ neighbors_lo[1][1][1]);
+
+ packed_hi2 = lp_build_lerp_2d(&h16,
+ s_fpart_hi, t_fpart_hi,
+ neighbors_hi[1][0][0],
+ neighbors_hi[1][0][1],
+ neighbors_hi[1][1][0],
+ neighbors_hi[1][1][1]);
+ /* interp between two z slices */
+ packed_lo = lp_build_lerp(&h16, r_fpart_lo,
+ packed_lo, packed_lo2);
+ packed_hi = lp_build_lerp(&h16, r_fpart_hi,
+ packed_hi, packed_hi2);
}
}