diff options
Diffstat (limited to 'src/shader_recompiler/backend/spirv/emit_spirv.cpp')
-rw-r--r-- | src/shader_recompiler/backend/spirv/emit_spirv.cpp | 45 |
1 files changed, 43 insertions, 2 deletions
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.cpp b/src/shader_recompiler/backend/spirv/emit_spirv.cpp index 7c4269fad..5022b5159 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv.cpp +++ b/src/shader_recompiler/backend/spirv/emit_spirv.cpp @@ -105,8 +105,26 @@ void EmitSPIRV::EmitInst(EmitContext& ctx, IR::Inst* inst) { throw LogicError("Invalid opcode {}", inst->Opcode()); } -void EmitSPIRV::EmitPhi(EmitContext&) { - throw NotImplementedException("SPIR-V Instruction"); +static Id TypeId(const EmitContext& ctx, IR::Type type) { + switch (type) { + case IR::Type::U1: + return ctx.u1; + default: + throw NotImplementedException("Phi node type {}", type); + } +} + +Id EmitSPIRV::EmitPhi(EmitContext& ctx, IR::Inst* inst) { + const size_t num_args{inst->NumArgs()}; + boost::container::small_vector<Id, 64> operands; + operands.reserve(num_args * 2); + for (size_t index = 0; index < num_args; ++index) { + IR::Block* const phi_block{inst->PhiBlock(index)}; + operands.push_back(ctx.Def(inst->Arg(index))); + operands.push_back(ctx.BlockLabel(phi_block)); + } + const Id result_type{TypeId(ctx, inst->Arg(0).Type())}; + return ctx.OpPhi(result_type, std::span(operands.data(), operands.size())); } void EmitSPIRV::EmitVoid(EmitContext&) {} @@ -115,6 +133,29 @@ void EmitSPIRV::EmitIdentity(EmitContext&) { throw NotImplementedException("SPIR-V Instruction"); } +// FIXME: Move to its own file +void EmitSPIRV::EmitBranch(EmitContext& ctx, IR::Inst* inst) { + ctx.OpBranch(ctx.BlockLabel(inst->Arg(0).Label())); +} + +void EmitSPIRV::EmitBranchConditional(EmitContext& ctx, IR::Inst* inst) { + ctx.OpBranchConditional(ctx.Def(inst->Arg(0)), ctx.BlockLabel(inst->Arg(1).Label()), + ctx.BlockLabel(inst->Arg(2).Label())); +} + +void EmitSPIRV::EmitLoopMerge(EmitContext& ctx, IR::Inst* inst) { + ctx.OpLoopMerge(ctx.BlockLabel(inst->Arg(0).Label()), ctx.BlockLabel(inst->Arg(1).Label()), + spv::LoopControlMask::MaskNone); +} + +void EmitSPIRV::EmitSelectionMerge(EmitContext& ctx, IR::Inst* inst) { + ctx.OpSelectionMerge(ctx.BlockLabel(inst->Arg(0).Label()), spv::SelectionControlMask::MaskNone); +} + +void EmitSPIRV::EmitReturn(EmitContext& ctx) { + ctx.OpReturn(); +} + void EmitSPIRV::EmitGetZeroFromOp(EmitContext&) { throw LogicError("Unreachable instruction"); } |