diff options
Diffstat (limited to 'src/shader_recompiler/frontend')
6 files changed, 124 insertions, 5 deletions
diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.cpp b/src/shader_recompiler/frontend/ir/ir_emitter.cpp index ce610799a..6280c08f6 100644 --- a/src/shader_recompiler/frontend/ir/ir_emitter.cpp +++ b/src/shader_recompiler/frontend/ir/ir_emitter.cpp @@ -731,6 +731,24 @@ F16F32F64 IREmitter::FPSaturate(const F16F32F64& value) { } } +F16F32F64 IREmitter::FPClamp(const F16F32F64& value, const F16F32F64& min_value, + const F16F32F64& max_value) { + if (value.Type() != min_value.Type() || value.Type() != max_value.Type()) { + throw InvalidArgument("Mismatching types {}, {}, and {}", value.Type(), min_value.Type(), + max_value.Type()); + } + switch (value.Type()) { + case Type::F16: + return Inst<F16>(Opcode::FPClamp16, value, min_value, max_value); + case Type::F32: + return Inst<F32>(Opcode::FPClamp32, value, min_value, max_value); + case Type::F64: + return Inst<F64>(Opcode::FPClamp64, value, min_value, max_value); + default: + ThrowInvalidType(value.Type()); + } +} + F16F32F64 IREmitter::FPRoundEven(const F16F32F64& value, FpControl control) { switch (value.Type()) { case Type::F16: diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.h b/src/shader_recompiler/frontend/ir/ir_emitter.h index 39109b0de..ebbda78a9 100644 --- a/src/shader_recompiler/frontend/ir/ir_emitter.h +++ b/src/shader_recompiler/frontend/ir/ir_emitter.h @@ -147,6 +147,7 @@ public: [[nodiscard]] F32F64 FPRecipSqrt(const F32F64& value); [[nodiscard]] F32 FPSqrt(const F32& value); [[nodiscard]] F16F32F64 FPSaturate(const F16F32F64& value); + [[nodiscard]] F16F32F64 FPClamp(const F16F32F64& value, const F16F32F64& min_value, const F16F32F64& max_value); [[nodiscard]] F16F32F64 FPRoundEven(const F16F32F64& value, FpControl control = {}); [[nodiscard]] F16F32F64 FPFloor(const F16F32F64& value, FpControl control = {}); [[nodiscard]] F16F32F64 FPCeil(const F16F32F64& value, FpControl control = {}); diff --git a/src/shader_recompiler/frontend/ir/opcodes.inc b/src/shader_recompiler/frontend/ir/opcodes.inc index 8945c7b04..dd17212a1 100644 --- a/src/shader_recompiler/frontend/ir/opcodes.inc +++ b/src/shader_recompiler/frontend/ir/opcodes.inc @@ -192,6 +192,9 @@ OPCODE(FPLog2, F32, F32, OPCODE(FPSaturate16, F16, F16, ) OPCODE(FPSaturate32, F32, F32, ) OPCODE(FPSaturate64, F64, F64, ) +OPCODE(FPClamp16, F16, F16, F16, F16, ) +OPCODE(FPClamp32, F32, F32, F32, F32, ) +OPCODE(FPClamp64, F64, F64, F64, F64, ) OPCODE(FPRoundEven16, F16, F16, ) OPCODE(FPRoundEven32, F32, F32, ) OPCODE(FPRoundEven64, F64, F64, ) diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/floating_point_conversion_integer.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/floating_point_conversion_integer.cpp index 81175627f..7c5a72800 100644 --- a/src/shader_recompiler/frontend/maxwell/translate/impl/floating_point_conversion_integer.cpp +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/floating_point_conversion_integer.cpp @@ -2,6 +2,8 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. +#include <limits> + #include "common/common_types.h" #include "shader_recompiler/exception.h" #include "shader_recompiler/frontend/maxwell/opcodes.h" @@ -55,6 +57,37 @@ size_t BitSize(DestFormat dest_format) { } } +std::pair<f64, f64> ClampBounds(DestFormat format, bool is_signed) { + if (is_signed) { + switch (format) { + case DestFormat::I16: + return {static_cast<f64>(std::numeric_limits<s16>::max()), + static_cast<f64>(std::numeric_limits<s16>::min())}; + case DestFormat::I32: + return {static_cast<f64>(std::numeric_limits<s32>::max()), + static_cast<f64>(std::numeric_limits<s32>::min())}; + case DestFormat::I64: + return {static_cast<f64>(std::numeric_limits<s64>::max()), + static_cast<f64>(std::numeric_limits<s64>::min())}; + default: {} + } + } else { + switch (format) { + case DestFormat::I16: + return {static_cast<f64>(std::numeric_limits<u16>::max()), + static_cast<f64>(std::numeric_limits<u16>::min())}; + case DestFormat::I32: + return {static_cast<f64>(std::numeric_limits<u32>::max()), + static_cast<f64>(std::numeric_limits<u32>::min())}; + case DestFormat::I64: + return {static_cast<f64>(std::numeric_limits<u64>::max()), + static_cast<f64>(std::numeric_limits<u64>::min())}; + default: {} + } + } + throw NotImplementedException("Invalid destination format {}", format); +} + IR::F64 UnpackCbuf(TranslatorVisitor& v, u64 insn) { union { u64 raw; @@ -112,13 +145,58 @@ void TranslateF2I(TranslatorVisitor& v, u64 insn, const IR::F16F32F64& src_a) { // For example converting F32 65537.0 to U16, the expected value is 0xffff, const bool is_signed{f2i.is_signed != 0}; - const size_t bitsize{BitSize(f2i.dest_format)}; - const IR::U16U32U64 result{v.ir.ConvertFToI(bitsize, is_signed, rounded_value)}; + const auto [max_bound, min_bound] = ClampBounds(f2i.dest_format, is_signed); + + IR::F16F32F64 intermediate; + switch (f2i.src_format) { + case SrcFormat::F16: { + const IR::F16 max_val{v.ir.FPConvert(16, v.ir.Imm32(static_cast<f32>(max_bound)))}; + const IR::F16 min_val{v.ir.FPConvert(16, v.ir.Imm32(static_cast<f32>(min_bound)))}; + intermediate = v.ir.FPClamp(rounded_value, min_val, max_val); + break; + } + case SrcFormat::F32: { + const IR::F32 max_val{v.ir.Imm32(static_cast<f32>(max_bound))}; + const IR::F32 min_val{v.ir.Imm32(static_cast<f32>(min_bound))}; + intermediate = v.ir.FPClamp(rounded_value, min_val, max_val); + break; + } + case SrcFormat::F64: { + const IR::F64 max_val{v.ir.Imm64(max_bound)}; + const IR::F64 min_val{v.ir.Imm64(min_bound)}; + intermediate = v.ir.FPClamp(rounded_value, min_val, max_val); + break; + } + default: + throw NotImplementedException("Invalid destination format {}", f2i.dest_format.Value()); + } + + const size_t bitsize{std::max<size_t>(32, BitSize(f2i.dest_format))}; + IR::U16U32U64 result{v.ir.ConvertFToI(bitsize, is_signed, intermediate)}; + + bool handled_special_case = false; + const bool special_nan_cases = + (f2i.src_format == SrcFormat::F64) != (f2i.dest_format == DestFormat::I64); + if (special_nan_cases) { + if (f2i.dest_format == DestFormat::I32) { + handled_special_case = true; + result = IR::U32{v.ir.Select(v.ir.FPIsNan(op_a), v.ir.Imm32(0x8000'0000U), result)}; + } else if (f2i.dest_format == DestFormat::I64) { + handled_special_case = true; + result = IR::U64{ + v.ir.Select(v.ir.FPIsNan(op_a), v.ir.Imm64(0x8000'0000'0000'0000ULL), result)}; + } + } + if (!handled_special_case && is_signed) { + if (bitsize != 64) { + result = IR::U32{v.ir.Select(v.ir.FPIsNan(op_a), v.ir.Imm32(0U), result)}; + } else { + result = IR::U64{v.ir.Select(v.ir.FPIsNan(op_a), v.ir.Imm64(0ULL), result)}; + } + } if (bitsize == 64) { - const IR::Value vector{v.ir.UnpackUint2x32(result)}; - v.X(f2i.dest_reg + 0, IR::U32{v.ir.CompositeExtract(vector, 0)}); - v.X(f2i.dest_reg + 1, IR::U32{v.ir.CompositeExtract(vector, 1)}); + v.L(f2i.dest_reg, result); } else { v.X(f2i.dest_reg, result); } diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp index 758a0230a..9bae89c10 100644 --- a/src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp @@ -21,6 +21,13 @@ IR::U32 TranslatorVisitor::X(IR::Reg reg) { return ir.GetReg(reg); } +IR::U64 TranslatorVisitor::L(IR::Reg reg) { + if (!IR::IsAligned(reg, 2)) { + throw NotImplementedException("Unaligned source register {}", reg); + } + return IR::U64{ir.PackUint2x32(ir.CompositeConstruct(X(reg), X(reg + 1)))}; +} + IR::F32 TranslatorVisitor::F(IR::Reg reg) { return ir.BitCast<IR::F32>(X(reg)); } @@ -36,6 +43,16 @@ void TranslatorVisitor::X(IR::Reg dest_reg, const IR::U32& value) { ir.SetReg(dest_reg, value); } +void TranslatorVisitor::L(IR::Reg dest_reg, const IR::U64& value) { + if (!IR::IsAligned(dest_reg, 2)) { + throw NotImplementedException("Unaligned destination register {}", dest_reg); + } + const IR::Value result{ir.UnpackUint2x32(value)}; + for (int i = 0; i < 2; i++) { + X(dest_reg + i, IR::U32{ir.CompositeExtract(result, i)}); + } +} + void TranslatorVisitor::F(IR::Reg dest_reg, const IR::F32& value) { X(dest_reg, ir.BitCast<IR::U32>(value)); } diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/impl.h b/src/shader_recompiler/frontend/maxwell/translate/impl/impl.h index c994fe803..54c31deb4 100644 --- a/src/shader_recompiler/frontend/maxwell/translate/impl/impl.h +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/impl.h @@ -341,10 +341,12 @@ public: void XMAD_imm(u64 insn); [[nodiscard]] IR::U32 X(IR::Reg reg); + [[nodiscard]] IR::U64 L(IR::Reg reg); [[nodiscard]] IR::F32 F(IR::Reg reg); [[nodiscard]] IR::F64 D(IR::Reg reg); void X(IR::Reg dest_reg, const IR::U32& value); + void L(IR::Reg dest_reg, const IR::U64& value); void F(IR::Reg dest_reg, const IR::F32& value); void D(IR::Reg dest_reg, const IR::F64& value); |