diff options
| -rw-r--r-- | src/video_core/shader/decode/other.cpp | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/src/video_core/shader/decode/other.cpp b/src/video_core/shader/decode/other.cpp index d84702a4f..2a5b70b8b 100644 --- a/src/video_core/shader/decode/other.cpp +++ b/src/video_core/shader/decode/other.cpp @@ -16,7 +16,38 @@ u32 ShaderIR::DecodeOther(BasicBlock& bb, u32 pc) { const Instruction instr = {program_code[pc]}; const auto opcode = OpCode::Decode(instr); - UNIMPLEMENTED(); + switch (opcode->get().GetId()) { + case OpCode::Id::EXIT: { + const Tegra::Shader::ConditionCode cc = instr.flow_condition_code; + UNIMPLEMENTED_IF_MSG(cc != Tegra::Shader::ConditionCode::T, "EXIT condition code used: {}", + static_cast<u32>(cc)); + + switch (instr.flow.cond) { + case Tegra::Shader::FlowCondition::Always: + bb.push_back(Operation(OperationCode::Exit)); + if (instr.pred.pred_index == static_cast<u64>(Tegra::Shader::Pred::UnusedIndex)) { + // If this is an unconditional exit then just end processing here, + // otherwise we have to account for the possibility of the condition + // not being met, so continue processing the next instruction. + pc = MAX_PROGRAM_LENGTH - 1; + } + break; + + case Tegra::Shader::FlowCondition::Fcsm_Tr: + // TODO(bunnei): What is this used for? If we assume this conditon is not + // satisifed, dual vertex shaders in Farming Simulator make more sense + UNIMPLEMENTED_MSG("Skipping unknown FlowCondition::Fcsm_Tr"); + break; + + default: + UNIMPLEMENTED_MSG("Unhandled flow condition: {}", + static_cast<u32>(instr.flow.cond.Value())); + } + break; + } + default: + UNIMPLEMENTED_MSG("Unhandled instruction: {}", opcode->get().GetName()); + } return pc; } |