diff options
| -rw-r--r-- | src/video_core/shader/decode/arithmetic.cpp | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/src/video_core/shader/decode/arithmetic.cpp b/src/video_core/shader/decode/arithmetic.cpp index 9242a7389..c297f729e 100644 --- a/src/video_core/shader/decode/arithmetic.cpp +++ b/src/video_core/shader/decode/arithmetic.cpp @@ -11,12 +11,34 @@ namespace VideoCommon::Shader { using Tegra::Shader::Instruction; using Tegra::Shader::OpCode; +using Tegra::Shader::SubOp; u32 ShaderIR::DecodeArithmetic(BasicBlock& bb, u32 pc) { const Instruction instr = {program_code[pc]}; const auto opcode = OpCode::Decode(instr); - UNIMPLEMENTED(); + Node op_a = GetRegister(instr.gpr8); + + Node op_b = [&]() -> Node { + if (instr.is_b_imm) { + return GetImmediate19(instr); + } else if (instr.is_b_gpr) { + return GetRegister(instr.gpr20); + } else { + return GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset); + } + }(); + + switch (opcode->get().GetId()) { + case OpCode::Id::MOV_C: + case OpCode::Id::MOV_R: { + // MOV does not have neither 'abs' nor 'neg' bits. + SetRegister(bb, instr.gpr0, op_b); + break; + } + default: + UNIMPLEMENTED_MSG("Unhandled arithmetic instruction: {}", opcode->get().GetName()); + } return pc; } |