diff options
Diffstat (limited to 'src/panfrost/midgard/mir.c')
| -rw-r--r-- | src/panfrost/midgard/mir.c | 35 |
1 files changed, 24 insertions, 11 deletions
diff --git a/src/panfrost/midgard/mir.c b/src/panfrost/midgard/mir.c index faa4128602b..eb8cc9c2abd 100644 --- a/src/panfrost/midgard/mir.c +++ b/src/panfrost/midgard/mir.c @@ -345,35 +345,48 @@ mir_is_written_before(compiler_context *ctx, midgard_instruction *ins, unsigned */ static unsigned -mir_mask_of_read_components_single(unsigned src, unsigned outmask) +mir_mask_of_read_components_single(unsigned swizzle, unsigned outmask) { - midgard_vector_alu_src s = vector_alu_from_unsigned(src); unsigned mask = 0; for (unsigned c = 0; c < 4; ++c) { if (!(outmask & (1 << c))) continue; - unsigned comp = (s.swizzle >> (2*c)) & 3; + unsigned comp = (swizzle >> (2*c)) & 3; mask |= (1 << comp); } return mask; } +static unsigned +mir_source_count(midgard_instruction *ins) +{ + if (ins->type == TAG_ALU_4) { + /* ALU is always binary */ + return 2; + } else if (ins->type == TAG_LOAD_STORE_4) { + bool load = !OP_IS_STORE(ins->load_store.op); + return (load ? 2 : 3); + } else if (ins->type == TAG_TEXTURE_4) { + /* Coords, bias.. TODO: Offsets? */ + return 2; + } else { + unreachable("Invalid instruction type"); + } +} + unsigned mir_mask_of_read_components(midgard_instruction *ins, unsigned node) { - assert(ins->type == TAG_ALU_4); - unsigned mask = 0; - if (ins->ssa_args.src[0] == node) - mask |= mir_mask_of_read_components_single(ins->alu.src1, ins->mask); - - if (ins->ssa_args.src[1] == node) - mask |= mir_mask_of_read_components_single(ins->alu.src2, ins->mask); + for (unsigned i = 0; i < mir_source_count(ins); ++i) { + if (ins->ssa_args.src[i] != node) continue; - assert(ins->ssa_args.src[2] == -1); + unsigned swizzle = mir_get_swizzle(ins, i); + mask |= mir_mask_of_read_components_single(swizzle, ins->mask); + } return mask; } |