[Mesa-dev] [PATCH v3 088/104] nir: Remove deref chain support from lower_wpos_ytransform
Jason Ekstrand
jason at jlekstrand.net
Tue Apr 3 18:39:32 UTC 2018
---
src/compiler/nir/nir_lower_wpos_ytransform.c | 36 ----------------------------
1 file changed, 36 deletions(-)
diff --git a/src/compiler/nir/nir_lower_wpos_ytransform.c b/src/compiler/nir/nir_lower_wpos_ytransform.c
index 6212702..f6f642c 100644
--- a/src/compiler/nir/nir_lower_wpos_ytransform.c
+++ b/src/compiler/nir/nir_lower_wpos_ytransform.c
@@ -272,24 +272,6 @@ lower_interp_deref_at_offset(lower_wpos_ytransform_state *state,
}
static void
-lower_interp_var_at_offset(lower_wpos_ytransform_state *state,
- nir_intrinsic_instr *interp)
-{
- nir_builder *b = &state->b;
- nir_ssa_def *offset;
- nir_ssa_def *flip_y;
-
- b->cursor = nir_before_instr(&interp->instr);
-
- offset = nir_ssa_for_src(b, interp->src[0], 2);
- flip_y = nir_fmul(b, nir_channel(b, offset, 1),
- nir_channel(b, get_transform(state), 0));
- nir_instr_rewrite_src(&interp->instr, &interp->src[0],
- nir_src_for_ssa(nir_vec2(b, nir_channel(b, offset, 0),
- flip_y)));
-}
-
-static void
lower_load_sample_pos(lower_wpos_ytransform_state *state,
nir_intrinsic_instr *intr)
{
@@ -329,30 +311,12 @@ lower_wpos_ytransform_block(lower_wpos_ytransform_state *state, nir_block *block
var->data.location == SYSTEM_VALUE_SAMPLE_POS) {
lower_load_sample_pos(state, intr);
}
- } else if (intr->intrinsic == nir_intrinsic_load_var) {
- nir_deref_var *dvar = intr->variables[0];
- nir_variable *var = dvar->var;
-
- if ((var->data.mode == nir_var_shader_in &&
- var->data.location == VARYING_SLOT_POS) ||
- (var->data.mode == nir_var_system_value &&
- var->data.location == SYSTEM_VALUE_FRAG_COORD)) {
- /* gl_FragCoord should not have array/struct derefs: */
- assert(dvar->deref.child == NULL);
- lower_fragcoord(state, intr, var);
- } else if (var->data.mode == nir_var_system_value &&
- var->data.location == SYSTEM_VALUE_SAMPLE_POS) {
- assert(dvar->deref.child == NULL);
- lower_load_sample_pos(state, intr);
- }
} else if (intr->intrinsic == nir_intrinsic_load_frag_coord) {
lower_fragcoord(state, intr, NULL);
} else if (intr->intrinsic == nir_intrinsic_load_sample_pos) {
lower_load_sample_pos(state, intr);
} else if (intr->intrinsic == nir_intrinsic_interp_deref_at_offset) {
lower_interp_deref_at_offset(state, intr);
- } else if (intr->intrinsic == nir_intrinsic_interp_var_at_offset) {
- lower_interp_var_at_offset(state, intr);
}
} else if (instr->type == nir_instr_type_alu) {
nir_alu_instr *alu = nir_instr_as_alu(instr);
--
2.5.0.400.gff86faf
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