diff options
| -rw-r--r-- | src/video_core/engines/shader_bytecode.h | 25 | ||||
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 50 |
2 files changed, 75 insertions, 0 deletions
diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h index d6d46d277..f84b9883c 100644 --- a/src/video_core/engines/shader_bytecode.h +++ b/src/video_core/engines/shader_bytecode.h @@ -574,6 +574,22 @@ union Instruction { } alu_integer; union { + BitField<39, 1, u64> ftz; + 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<47, 2, HalfType> type_b; + + BitField<35, 2, HalfType> type_c; + } alu_half; + + union { BitField<40, 1, u64> invert; } popc; @@ -1165,6 +1181,10 @@ public: LEA_RZ, LEA_IMM, LEA_HI, + HADD2_C, + HADD2_R, + HMUL2_C, + HMUL2_R, POPC_C, POPC_R, POPC_IMM, @@ -1238,6 +1258,7 @@ public: ArithmeticImmediate, ArithmeticInteger, ArithmeticIntegerImmediate, + ArithmeticHalf, Bfe, Shift, Ffma, @@ -1409,6 +1430,10 @@ private: INST("001101101101----", Id::LEA_IMM, Type::ArithmeticInteger, "LEA_IMM"), INST("010010111101----", Id::LEA_RZ, Type::ArithmeticInteger, "LEA_RZ"), INST("00011000--------", Id::LEA_HI, Type::ArithmeticInteger, "LEA_HI"), + INST("0111101-1-------", Id::HADD2_C, Type::ArithmeticHalf, "HADD2_C"), + INST("0101110100010---", Id::HADD2_R, Type::ArithmeticHalf, "HADD2_R"), + INST("0111100-1-------", Id::HMUL2_C, Type::ArithmeticHalf, "HMUL2_C"), + INST("0101110100001---", Id::HMUL2_R, Type::ArithmeticHalf, "HMUL2_R"), INST("0101000010000---", Id::MUFU, Type::Arithmetic, "MUFU"), INST("0100110010010---", Id::RRO_C, Type::Arithmetic, "RRO_C"), INST("0101110010010---", Id::RRO_R, Type::Arithmetic, "RRO_R"), diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index c6ae8c3b4..a1a0babe8 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -1827,6 +1827,56 @@ private: break; } + case OpCode::Type::ArithmeticHalf: { + if (opcode->GetId() == OpCode::Id::HADD2_C || opcode->GetId() == OpCode::Id::HADD2_R) { + ASSERT_MSG(instr.alu_half.ftz == 0, "Unimplemented"); + } + const bool negate_a = + opcode->GetId() != OpCode::Id::HMUL2_R && instr.alu_half.negate_a != 0; + const bool negate_b = + opcode->GetId() != OpCode::Id::HMUL2_C && instr.alu_half.negate_b != 0; + + const std::string op_a = + GetHalfFloat(regs.GetRegisterAsInteger(instr.gpr8, 0, false), instr.alu_half.type_a, + instr.alu_half.abs_a != 0, negate_a); + + std::string op_b; + switch (opcode->GetId()) { + case OpCode::Id::HADD2_C: + case OpCode::Id::HMUL2_C: + op_b = regs.GetUniform(instr.cbuf34.index, instr.cbuf34.offset, + GLSLRegister::Type::UnsignedInteger); + break; + case OpCode::Id::HADD2_R: + case OpCode::Id::HMUL2_R: + op_b = regs.GetRegisterAsInteger(instr.gpr20, 0, false); + break; + default: + UNREACHABLE(); + op_b = "0"; + break; + } + op_b = GetHalfFloat(op_b, instr.alu_half.type_b, instr.alu_half.abs_b != 0, negate_b); + + const std::string result = [&]() { + switch (opcode->GetId()) { + case OpCode::Id::HADD2_C: + case OpCode::Id::HADD2_R: + return '(' + op_a + " + " + op_b + ')'; + case OpCode::Id::HMUL2_C: + case OpCode::Id::HMUL2_R: + return '(' + op_a + " * " + op_b + ')'; + default: + LOG_CRITICAL(HW_GPU, "Unhandled half float instruction: {}", opcode->GetName()); + UNREACHABLE(); + return std::string("0"); + } + }(); + + regs.SetRegisterToHalfFloat(instr.gpr0, 0, result, instr.alu_half.merge, 1, 1, + instr.alu_half.saturate != 0); + break; + } case OpCode::Type::Ffma: { const std::string op_a = regs.GetRegisterAsFloat(instr.gpr8); std::string op_b = instr.ffma.negate_b ? "-" : ""; |