diff options
| -rw-r--r-- | src/video_core/engines/shader_bytecode.h | 19 | ||||
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 41 |
2 files changed, 60 insertions, 0 deletions
diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h index 67194b0e3..a36df65f9 100644 --- a/src/video_core/engines/shader_bytecode.h +++ b/src/video_core/engines/shader_bytecode.h @@ -280,6 +280,19 @@ union Instruction { BitField<56, 1, u64> invert_b; } lop32i; + union { + BitField<28, 8, u64> imm_lut28; + BitField<48, 8, u64> imm_lut48; + + u32 GetImmLut28() const { + return static_cast<u32>(imm_lut28); + } + + u32 GetImmLut48() const { + return static_cast<u32>(imm_lut48); + } + } lop3; + u32 GetImm20_19() const { u32 imm{static_cast<u32>(imm20_19)}; imm <<= 12; @@ -650,6 +663,9 @@ public: LOP_R, LOP_IMM, LOP32I, + LOP3_C, + LOP3_R, + LOP3_IMM, MOV_C, MOV_R, MOV_IMM, @@ -872,6 +888,9 @@ private: INST("0101110001000---", Id::LOP_R, Type::ArithmeticInteger, "LOP_R"), INST("0011100001000---", Id::LOP_IMM, Type::ArithmeticInteger, "LOP_IMM"), INST("000001----------", Id::LOP32I, Type::ArithmeticIntegerImmediate, "LOP32I"), + INST("0000001---------", Id::LOP3_C, Type::ArithmeticInteger, "LOP3_C"), + INST("0101101111100---", Id::LOP3_R, Type::ArithmeticInteger, "LOP3_R"), + INST("0011110---------", Id::LOP3_IMM, Type::ArithmeticInteger, "LOP3_IMM"), INST("0100110001001---", Id::SHL_C, Type::Shift, "SHL_C"), INST("0101110001001---", Id::SHL_R, Type::Shift, "SHL_R"), INST("0011100-01001---", Id::SHL_IMM, Type::Shift, "SHL_IMM"), diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index f1e00c93c..94e318966 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -849,6 +849,33 @@ private: } } + void WriteLop3Instruction(Register dest, const std::string& op_a, const std::string& op_b, + const std::string& op_c, const std::string& imm_lut) { + if (dest == Tegra::Shader::Register::ZeroIndex) { + return; + } + + static constexpr std::array<const char*, 32> shift_amounts = { + "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", + "11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "21", + "22", "23", "24", "25", "26", "27", "28", "29", "30", "31"}; + + std::string result; + result += '('; + + for (size_t i = 0; i < shift_amounts.size(); ++i) { + if (i) + result += '|'; + result += "(((" + imm_lut + " >> (((" + op_c + " >> " + shift_amounts[i] + + ") & 1) | ((" + op_b + " >> " + shift_amounts[i] + ") & 1) << 1 | ((" + op_a + + " >> " + shift_amounts[i] + ") & 1) << 2)) & 1) << " + shift_amounts[i] + ")"; + } + + result += ')'; + + regs.SetRegisterToInteger(dest, true, 0, result, 1, 1); + } + void WriteTexsInstruction(const Instruction& instr, const std::string& coord, const std::string& texture) { // Add an extra scope and declare the texture coords inside to prevent @@ -1297,6 +1324,20 @@ private: instr.alu.lop.pred_result_mode, instr.alu.lop.pred48); break; } + case OpCode::Id::LOP3_C: + case OpCode::Id::LOP3_R: + case OpCode::Id::LOP3_IMM: { + std::string op_c = regs.GetRegisterAsInteger(instr.gpr39); + std::string lut; + if (opcode->GetId() == OpCode::Id::LOP3_R) { + lut = '(' + std::to_string(instr.alu.lop3.GetImmLut28()) + ')'; + } else { + lut = '(' + std::to_string(instr.alu.lop3.GetImmLut48()) + ')'; + } + + WriteLop3Instruction(instr.gpr0, op_a, op_b, op_c, lut); + break; + } case OpCode::Id::IMNMX_C: case OpCode::Id::IMNMX_R: case OpCode::Id::IMNMX_IMM: { |