}
bool
-fs_visitor::lower_linterp()
-{
- bool progress = false;
-
- if (devinfo->gen < 11)
- return false;
-
- foreach_block_and_inst_safe(block, fs_inst, inst, cfg) {
- const fs_builder ibld(this, block, inst);
-
- if (inst->opcode != FS_OPCODE_LINTERP)
- continue;
-
- fs_reg dwP = component(inst->src[1], 0);
- fs_reg dwQ = component(inst->src[1], 1);
- fs_reg dwR = component(inst->src[1], 3);
- for (unsigned i = 0; i < DIV_ROUND_UP(dispatch_width, 8); i++) {
- const fs_builder hbld(ibld.half(i));
- fs_reg dst = half(inst->dst, i);
- fs_reg delta_xy = offset(inst->src[0], ibld, i);
- hbld.MAD(dst, dwR, half(delta_xy, 0), dwP);
- fs_inst *mad = hbld.MAD(dst, dst, half(delta_xy, 1), dwQ);
-
- /* Propagate conditional mod and saturate from the original
- * instruction to the second MAD instruction.
- */
- set_saturate(inst->saturate, mad);
- set_condmod(inst->conditional_mod, mad);
- }
-
- inst->remove(block);
- progress = true;
- }
-
- if (progress)
- invalidate_live_intervals();
-
- return progress;
-}
-
-bool
fs_visitor::lower_integer_multiplication()
{
bool progress = false;
OPT(compact_virtual_grfs);
} while (progress);
- if (OPT(lower_linterp)) {
- OPT(opt_copy_propagation);
- OPT(dead_code_eliminate);
- }
-
/* Do this after cmod propagation has had every possible opportunity to
* propagate results into SEL instructions.
*/
lower_io_options |= nir_lower_io_force_sample_interpolation;
nir_lower_io(nir, nir_var_shader_in, type_size_vec4, lower_io_options);
+ if (devinfo->gen >= 11)
+ nir_lower_interpolation(nir, ~0);
/* This pass needs actual constants */
nir_opt_constant_folding(nir);