X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fdrivers%2Fpanfrost%2Fmidgard%2Fmidgard_compile.c;h=1e08e349eee8e651419834dedd18d538512e87e0;hb=318e9933b13a98aa3392fc5fce2d2dc4314932f9;hp=b7498d435017d889c945333d9643af458ad2d498;hpb=e92caad74476b915bb73baedbddce8af89bd62b0;p=mesa.git

diff --git a/src/gallium/drivers/panfrost/midgard/midgard_compile.c b/src/gallium/drivers/panfrost/midgard/midgard_compile.c
index b7498d43501..1e08e349eee 100644
--- a/src/gallium/drivers/panfrost/midgard/midgard_compile.c
+++ b/src/gallium/drivers/panfrost/midgard/midgard_compile.c
@@ -1705,12 +1705,7 @@ emit_texop_native(compiler_context *ctx, nir_tex_instr *instr,
 
         emit_mir_instruction(ctx, ins);
 
-        /* Simultaneously alias the destination and emit a move for it. The move will be eliminated if possible */
-
         int o_reg = REGISTER_TEXTURE_BASE + out_reg, o_index = nir_dest_index(ctx, &instr->dest);
-        alias_ssa(ctx, o_index, SSA_FIXED_REGISTER(o_reg));
-        ctx->texture_index[reg] = o_index;
-
         midgard_instruction ins2 = v_mov(SSA_FIXED_REGISTER(o_reg), blank_alu_src, o_index);
         emit_mir_instruction(ctx, ins2);
 
@@ -2225,55 +2220,6 @@ midgard_opt_pos_propagate(compiler_context *ctx, midgard_block *block)
         return progress;
 }
 
-static bool
-midgard_opt_copy_prop_tex(compiler_context *ctx, midgard_block *block)
-{
-        bool progress = false;
-
-        mir_foreach_instr_in_block_safe(block, ins) {
-                if (ins->type != TAG_ALU_4) continue;
-                if (!OP_IS_MOVE(ins->alu.op)) continue;
-
-                unsigned from = ins->ssa_args.src1;
-                unsigned to = ins->ssa_args.dest;
-
-                /* Make sure it's simple enough for us to handle */
-
-                if (from >= SSA_FIXED_MINIMUM) continue;
-                if (from >= ctx->func->impl->ssa_alloc) continue;
-                if (to < SSA_FIXED_REGISTER(REGISTER_TEXTURE_BASE)) continue;
-                if (to > SSA_FIXED_REGISTER(REGISTER_TEXTURE_BASE + 1)) continue;
-
-                bool eliminated = false;
-
-                mir_foreach_instr_in_block_from_rev(block, v, mir_prev_op(ins)) {
-                        /* The texture registers are not SSA so be careful.
-                         * Conservatively, just stop if we hit a texture op
-                         * (even if it may not write) to where we are */
-
-                        if (v->type != TAG_ALU_4)
-                                break;
-
-                        if (v->ssa_args.dest == from) {
-                                /* We don't want to track partial writes ... */
-                                if (v->mask == 0xF) {
-                                        v->ssa_args.dest = to;
-                                        eliminated = true;
-                                }
-
-                                break;
-                        }
-                }
-
-                if (eliminated)
-                        mir_remove_instruction(ins);
-
-                progress |= eliminated;
-        }
-
-        return progress;
-}
-
 /* The following passes reorder MIR instructions to enable better scheduling */
 
 static void
@@ -2600,7 +2546,7 @@ midgard_compile_shader_nir(nir_shader *nir, midgard_program *program, bool is_bl
                 .stage = nir->info.stage,
 
                 .is_blend = is_blend,
-                .blend_constant_offset = -1,
+                .blend_constant_offset = 0,
 
                 .alpha_ref = program->alpha_ref
         };
@@ -2699,7 +2645,6 @@ midgard_compile_shader_nir(nir_shader *nir, midgard_program *program, bool is_bl
                 mir_foreach_block(ctx, block) {
                         progress |= midgard_opt_pos_propagate(ctx, block);
                         progress |= midgard_opt_copy_prop(ctx, block);
-                        progress |= midgard_opt_copy_prop_tex(ctx, block);
                         progress |= midgard_opt_dead_code_eliminate(ctx, block);
                 }
         } while (progress);