diff options
| -rw-r--r-- | src/video_core/engines/shader_bytecode.h | 2 | ||||
| -rw-r--r-- | src/video_core/shader/decode/arithmetic_half.cpp | 51 |
2 files changed, 37 insertions, 16 deletions
diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h index 7231597d4..44dbb8088 100644 --- a/src/video_core/engines/shader_bytecode.h +++ b/src/video_core/engines/shader_bytecode.h @@ -817,11 +817,9 @@ union Instruction { BitField<32, 1, u64> saturate; BitField<49, 2, HalfMerge> merge; - BitField<43, 1, u64> negate_a; BitField<44, 1, u64> abs_a; BitField<47, 2, HalfType> type_a; - BitField<31, 1, u64> negate_b; BitField<30, 1, u64> abs_b; BitField<28, 2, HalfType> type_b; diff --git a/src/video_core/shader/decode/arithmetic_half.cpp b/src/video_core/shader/decode/arithmetic_half.cpp index ee7d9a29d..a276aee44 100644 --- a/src/video_core/shader/decode/arithmetic_half.cpp +++ b/src/video_core/shader/decode/arithmetic_half.cpp @@ -19,22 +19,46 @@ u32 ShaderIR::DecodeArithmeticHalf(NodeBlock& bb, u32 pc) { const Instruction instr = {program_code[pc]}; const auto opcode = OpCode::Decode(instr); - if (opcode->get().GetId() == OpCode::Id::HADD2_C || - opcode->get().GetId() == OpCode::Id::HADD2_R) { + bool negate_a = false; + bool negate_b = false; + bool absolute_a = false; + bool absolute_b = false; + + switch (opcode->get().GetId()) { + case OpCode::Id::HADD2_R: if (instr.alu_half.ftz == 0) { LOG_DEBUG(HW_GPU, "{} without FTZ is not implemented", opcode->get().GetName()); } + negate_a = ((instr.value >> 43) & 1) != 0; + negate_b = ((instr.value >> 31) & 1) != 0; + absolute_a = ((instr.value >> 44) & 1) != 0; + absolute_b = ((instr.value >> 30) & 1) != 0; + break; + case OpCode::Id::HADD2_C: + if (instr.alu_half.ftz == 0) { + LOG_DEBUG(HW_GPU, "{} without FTZ is not implemented", opcode->get().GetName()); + } + negate_a = ((instr.value >> 43) & 1) != 0; + negate_b = ((instr.value >> 56) & 1) != 0; + absolute_a = ((instr.value >> 44) & 1) != 0; + absolute_b = ((instr.value >> 54) & 1) != 0; + break; + case OpCode::Id::HMUL2_R: + negate_a = ((instr.value >> 43) & 1) != 0; + absolute_a = ((instr.value >> 44) & 1) != 0; + absolute_b = ((instr.value >> 30) & 1) != 0; + break; + case OpCode::Id::HMUL2_C: + negate_b = ((instr.value >> 31) & 1) != 0; + absolute_a = ((instr.value >> 44) & 1) != 0; + absolute_b = ((instr.value >> 54) & 1) != 0; + break; } - const bool negate_a = - opcode->get().GetId() != OpCode::Id::HMUL2_R && instr.alu_half.negate_a != 0; - const bool negate_b = - opcode->get().GetId() != OpCode::Id::HMUL2_C && instr.alu_half.negate_b != 0; - Node op_a = UnpackHalfFloat(GetRegister(instr.gpr8), instr.alu_half.type_a); - op_a = GetOperandAbsNegHalf(op_a, instr.alu_half.abs_a, negate_a); + op_a = GetOperandAbsNegHalf(op_a, absolute_a, negate_a); - auto [type_b, op_b] = [&]() -> std::tuple<HalfType, Node> { + auto [type_b, op_b] = [this, instr, opcode]() -> std::pair<HalfType, Node> { switch (opcode->get().GetId()) { case OpCode::Id::HADD2_C: case OpCode::Id::HMUL2_C: @@ -48,17 +72,16 @@ u32 ShaderIR::DecodeArithmeticHalf(NodeBlock& bb, u32 pc) { } }(); op_b = UnpackHalfFloat(op_b, type_b); - // redeclaration to avoid a bug in clang with reusing local bindings in lambdas - Node op_b_alt = GetOperandAbsNegHalf(op_b, instr.alu_half.abs_b, negate_b); + op_b = GetOperandAbsNegHalf(op_b, absolute_b, negate_b); - Node value = [&]() { + Node value = [this, opcode, op_a, op_b = op_b] { switch (opcode->get().GetId()) { case OpCode::Id::HADD2_C: case OpCode::Id::HADD2_R: - return Operation(OperationCode::HAdd, PRECISE, op_a, op_b_alt); + return Operation(OperationCode::HAdd, PRECISE, op_a, op_b); case OpCode::Id::HMUL2_C: case OpCode::Id::HMUL2_R: - return Operation(OperationCode::HMul, PRECISE, op_a, op_b_alt); + return Operation(OperationCode::HMul, PRECISE, op_a, op_b); default: UNIMPLEMENTED_MSG("Unhandled half float instruction: {}", opcode->get().GetName()); return Immediate(0); |