From 8d470c2e63c2dac334ccff2bcda9a0607ce76377 Mon Sep 17 00:00:00 2001 From: ameerj <52414509+ameerj@users.noreply.github.com> Date: Sun, 14 Mar 2021 01:23:56 -0500 Subject: [PATCH] shader: Implement FMNMX And add a const in FCMP --- src/shader_recompiler/CMakeLists.txt | 1 + .../backend/spirv/emit_spirv.h | 8 +-- .../spirv/emit_spirv_floating_point.cpp | 16 +++--- .../frontend/ir/ir_emitter.cpp | 28 +++++++++ .../frontend/ir/ir_emitter.h | 2 + .../translate/impl/floating_point_compare.cpp | 2 +- .../translate/impl/floating_point_min_max.cpp | 57 +++++++++++++++++++ .../translate/impl/not_implemented.cpp | 12 ---- 8 files changed, 101 insertions(+), 25 deletions(-) create mode 100644 src/shader_recompiler/frontend/maxwell/translate/impl/floating_point_min_max.cpp diff --git a/src/shader_recompiler/CMakeLists.txt b/src/shader_recompiler/CMakeLists.txt index b45ff53b6..171fdd321 100644 --- a/src/shader_recompiler/CMakeLists.txt +++ b/src/shader_recompiler/CMakeLists.txt @@ -70,6 +70,7 @@ add_library(shader_recompiler STATIC frontend/maxwell/translate/impl/floating_point_compare.cpp frontend/maxwell/translate/impl/floating_point_conversion_integer.cpp frontend/maxwell/translate/impl/floating_point_fused_multiply_add.cpp + frontend/maxwell/translate/impl/floating_point_min_max.cpp frontend/maxwell/translate/impl/floating_point_multi_function.cpp frontend/maxwell/translate/impl/floating_point_multiply.cpp frontend/maxwell/translate/impl/floating_point_range_reduction.cpp diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.h b/src/shader_recompiler/backend/spirv/emit_spirv.h index b09978073..89566c83d 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv.h +++ b/src/shader_recompiler/backend/spirv/emit_spirv.h @@ -162,10 +162,10 @@ Id EmitFPAdd64(EmitContext& ctx, IR::Inst* inst, Id a, Id b); Id EmitFPFma16(EmitContext& ctx, IR::Inst* inst, Id a, Id b, Id c); Id EmitFPFma32(EmitContext& ctx, IR::Inst* inst, Id a, Id b, Id c); Id EmitFPFma64(EmitContext& ctx, IR::Inst* inst, Id a, Id b, Id c); -void EmitFPMax32(EmitContext& ctx); -void EmitFPMax64(EmitContext& ctx); -void EmitFPMin32(EmitContext& ctx); -void EmitFPMin64(EmitContext& ctx); +Id EmitFPMax32(EmitContext& ctx, Id a, Id b); +Id EmitFPMax64(EmitContext& ctx, Id a, Id b); +Id EmitFPMin32(EmitContext& ctx, Id a, Id b); +Id EmitFPMin64(EmitContext& ctx, Id a, Id b); Id EmitFPMul16(EmitContext& ctx, IR::Inst* inst, Id a, Id b); Id EmitFPMul32(EmitContext& ctx, IR::Inst* inst, Id a, Id b); Id EmitFPMul64(EmitContext& ctx, IR::Inst* inst, Id a, Id b); diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_floating_point.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_floating_point.cpp index a359c42fc..e635b1ffb 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv_floating_point.cpp +++ b/src/shader_recompiler/backend/spirv/emit_spirv_floating_point.cpp @@ -60,20 +60,20 @@ Id EmitFPFma64(EmitContext& ctx, IR::Inst* inst, Id a, Id b, Id c) { return Decorate(ctx, inst, ctx.OpFma(ctx.F64[1], a, b, c)); } -void EmitFPMax32(EmitContext&) { - throw NotImplementedException("SPIR-V Instruction"); +Id EmitFPMax32(EmitContext& ctx, Id a, Id b) { + return ctx.OpFMax(ctx.F32[1], a, b); } -void EmitFPMax64(EmitContext&) { - throw NotImplementedException("SPIR-V Instruction"); +Id EmitFPMax64(EmitContext& ctx, Id a, Id b) { + return ctx.OpFMax(ctx.F64[1], a, b); } -void EmitFPMin32(EmitContext&) { - throw NotImplementedException("SPIR-V Instruction"); +Id EmitFPMin32(EmitContext& ctx, Id a, Id b) { + return ctx.OpFMin(ctx.F32[1], a, b); } -void EmitFPMin64(EmitContext&) { - throw NotImplementedException("SPIR-V Instruction"); +Id EmitFPMin64(EmitContext& ctx, Id a, Id b) { + return ctx.OpFMin(ctx.F64[1], a, b); } Id EmitFPMul16(EmitContext& ctx, IR::Inst* inst, Id a, Id b) { diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.cpp b/src/shader_recompiler/frontend/ir/ir_emitter.cpp index 5d475207e..556961fa4 100644 --- a/src/shader_recompiler/frontend/ir/ir_emitter.cpp +++ b/src/shader_recompiler/frontend/ir/ir_emitter.cpp @@ -831,6 +831,34 @@ U1 IREmitter::FPUnordered(const F32& lhs, const F32& rhs) { return LogicalOr(FPIsNan(lhs), FPIsNan(rhs)); } +F32F64 IREmitter::FPMax(const F32F64& lhs, const F32F64& rhs, FpControl control) { + if (lhs.Type() != rhs.Type()) { + throw InvalidArgument("Mismatching types {} and {}", lhs.Type(), rhs.Type()); + } + switch (lhs.Type()) { + case Type::F32: + return Inst(Opcode::FPMax32, Flags{control}, lhs, rhs); + case Type::F64: + return Inst(Opcode::FPMax64, Flags{control}, lhs, rhs); + default: + ThrowInvalidType(lhs.Type()); + } +} + +F32F64 IREmitter::FPMin(const F32F64& lhs, const F32F64& rhs, FpControl control) { + if (lhs.Type() != rhs.Type()) { + throw InvalidArgument("Mismatching types {} and {}", lhs.Type(), rhs.Type()); + } + switch (lhs.Type()) { + case Type::F32: + return Inst(Opcode::FPMin32, Flags{control}, lhs, rhs); + case Type::F64: + return Inst(Opcode::FPMin64, Flags{control}, lhs, rhs); + default: + ThrowInvalidType(lhs.Type()); + } +} + U32U64 IREmitter::IAdd(const U32U64& a, const U32U64& b) { if (a.Type() != b.Type()) { throw InvalidArgument("Mismatching types {} and {}", a.Type(), b.Type()); diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.h b/src/shader_recompiler/frontend/ir/ir_emitter.h index 5cfe1a54a..74fb3dbcb 100644 --- a/src/shader_recompiler/frontend/ir/ir_emitter.h +++ b/src/shader_recompiler/frontend/ir/ir_emitter.h @@ -155,6 +155,8 @@ public: [[nodiscard]] U1 FPIsNan(const F32& value); [[nodiscard]] U1 FPOrdered(const F32& lhs, const F32& rhs); [[nodiscard]] U1 FPUnordered(const F32& lhs, const F32& rhs); + [[nodiscard]] F32F64 FPMax(const F32F64& lhs, const F32F64& rhs, FpControl control = {}); + [[nodiscard]] F32F64 FPMin(const F32F64& lhs, const F32F64& rhs, FpControl control = {}); [[nodiscard]] U32U64 IAdd(const U32U64& a, const U32U64& b); [[nodiscard]] U32U64 ISub(const U32U64& a, const U32U64& b); diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/floating_point_compare.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/floating_point_compare.cpp index 21cb80d67..f254ecb3a 100644 --- a/src/shader_recompiler/frontend/maxwell/translate/impl/floating_point_compare.cpp +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/floating_point_compare.cpp @@ -88,7 +88,7 @@ void FCMP(TranslatorVisitor& v, u64 insn, const IR::U32& src_a, const IR::F32& o const IR::F32 zero{v.ir.Imm32(0.0f)}; const IR::F32 neg_zero{v.ir.Imm32(-0.0f)}; - IR::FpControl control{.fmz_mode{fcmp.ftz != 0 ? IR::FmzMode::FTZ : IR::FmzMode::None}}; + const IR::FpControl control{.fmz_mode{fcmp.ftz != 0 ? IR::FmzMode::FTZ : IR::FmzMode::None}}; const IR::U1 cmp_result{FloatingPointCompare(v.ir, operand, zero, fcmp.compare_op, control)}; const IR::U32 src_reg{v.X(fcmp.src_reg)}; const IR::U32 result{v.ir.Select(cmp_result, src_reg, src_a)}; diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/floating_point_min_max.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/floating_point_min_max.cpp new file mode 100644 index 000000000..c3180a9bd --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/floating_point_min_max.cpp @@ -0,0 +1,57 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "common/bit_field.h" +#include "common/common_types.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h" + +namespace Shader::Maxwell { +namespace { +void FMNMX(TranslatorVisitor& v, u64 insn, const IR::F32& src_b) { + union { + u64 insn; + BitField<0, 8, IR::Reg> dest_reg; + BitField<8, 8, IR::Reg> src_a_reg; + BitField<39, 3, IR::Pred> pred; + BitField<42, 1, u64> neg_pred; + BitField<44, 1, u64> ftz; + BitField<45, 1, u64> negate_b; + BitField<46, 1, u64> abs_a; + BitField<48, 1, u64> negate_a; + BitField<49, 1, u64> abs_b; + } const fmnmx{insn}; + + const IR::U1 pred{v.ir.GetPred(fmnmx.pred)}; + const IR::F32 op_a{v.ir.FPAbsNeg(v.F(fmnmx.src_a_reg), fmnmx.abs_a != 0, fmnmx.negate_a != 0)}; + const IR::F32 op_b = v.ir.FPAbsNeg(src_b, fmnmx.abs_b != 0, fmnmx.negate_b != 0); + + const IR::FpControl control{ + .no_contraction{false}, + .rounding{IR::FpRounding::DontCare}, + .fmz_mode{fmnmx.ftz != 0 ? IR::FmzMode::FTZ : IR::FmzMode::None}, + }; + IR::F32 max{v.ir.FPMax(op_a, op_b, control)}; + IR::F32 min{v.ir.FPMin(op_a, op_b, control)}; + + if (fmnmx.neg_pred != 0) { + std::swap(min, max); + } + + v.F(fmnmx.dest_reg, IR::F32{v.ir.Select(pred, min, max)}); +} +} // Anonymous namespace + +void TranslatorVisitor::FMNMX_reg(u64 insn) { + FMNMX(*this, insn, GetFloatReg20(insn)); +} + +void TranslatorVisitor::FMNMX_cbuf(u64 insn) { + FMNMX(*this, insn, GetFloatCbuf(insn)); +} + +void TranslatorVisitor::FMNMX_imm(u64 insn) { + FMNMX(*this, insn, GetFloatImm20(insn)); +} + +} // namespace Shader::Maxwell diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp index e1904472f..01ecbb4cc 100644 --- a/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp @@ -201,18 +201,6 @@ void TranslatorVisitor::FCHK_imm(u64) { ThrowNotImplemented(Opcode::FCHK_imm); } -void TranslatorVisitor::FMNMX_reg(u64) { - ThrowNotImplemented(Opcode::FMNMX_reg); -} - -void TranslatorVisitor::FMNMX_cbuf(u64) { - ThrowNotImplemented(Opcode::FMNMX_cbuf); -} - -void TranslatorVisitor::FMNMX_imm(u64) { - ThrowNotImplemented(Opcode::FMNMX_imm); -} - void TranslatorVisitor::FSET_reg(u64) { ThrowNotImplemented(Opcode::FSET_reg); }