diff options
Diffstat (limited to 'src/shader_recompiler/frontend/maxwell/translate/impl/surface_atomic_operations.cpp')
| -rw-r--r-- | src/shader_recompiler/frontend/maxwell/translate/impl/surface_atomic_operations.cpp | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/surface_atomic_operations.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/surface_atomic_operations.cpp new file mode 100644 index 000000000..63b588ad4 --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/surface_atomic_operations.cpp @@ -0,0 +1,205 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include <array> +#include <bit> + +#include "common/bit_field.h" +#include "common/common_types.h" +#include "shader_recompiler/frontend/ir/modifiers.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h" + +namespace Shader::Maxwell { +namespace { +enum class Type : u64 { + _1D, + BUFFER_1D, + ARRAY_1D, + _2D, + ARRAY_2D, + _3D, +}; + +enum class Size : u64 { + U32, + S32, + U64, + S64, + F32FTZRN, + F16x2FTZRN, + SD32, + SD64, +}; + +enum class AtomicOp : u64 { + ADD, + MIN, + MAX, + INC, + DEC, + AND, + OR, + XOR, + EXCH, +}; + +enum class Clamp : u64 { + IGN, + Default, + TRAP, +}; + +TextureType GetType(Type type) { + switch (type) { + case Type::_1D: + return TextureType::Color1D; + case Type::BUFFER_1D: + return TextureType::Buffer; + case Type::ARRAY_1D: + return TextureType::ColorArray1D; + case Type::_2D: + return TextureType::Color2D; + case Type::ARRAY_2D: + return TextureType::ColorArray2D; + case Type::_3D: + return TextureType::Color3D; + } + throw NotImplementedException("Invalid type {}", type); +} + +IR::Value MakeCoords(TranslatorVisitor& v, IR::Reg reg, Type type) { + switch (type) { + case Type::_1D: + case Type::BUFFER_1D: + return v.X(reg); + case Type::_2D: + return v.ir.CompositeConstruct(v.X(reg), v.X(reg + 1)); + case Type::_3D: + return v.ir.CompositeConstruct(v.X(reg), v.X(reg + 1), v.X(reg + 2)); + default: + break; + } + throw NotImplementedException("Invalid type {}", type); +} + +IR::Value ApplyAtomicOp(IR::IREmitter& ir, const IR::U32& handle, const IR::Value& coords, + const IR::Value& op_b, IR::TextureInstInfo info, AtomicOp op, + bool is_signed) { + switch (op) { + case AtomicOp::ADD: + return ir.ImageAtomicIAdd(handle, coords, op_b, info); + case AtomicOp::MIN: + return ir.ImageAtomicIMin(handle, coords, op_b, is_signed, info); + case AtomicOp::MAX: + return ir.ImageAtomicIMax(handle, coords, op_b, is_signed, info); + case AtomicOp::INC: + return ir.ImageAtomicInc(handle, coords, op_b, info); + case AtomicOp::DEC: + return ir.ImageAtomicDec(handle, coords, op_b, info); + case AtomicOp::AND: + return ir.ImageAtomicAnd(handle, coords, op_b, info); + case AtomicOp::OR: + return ir.ImageAtomicOr(handle, coords, op_b, info); + case AtomicOp::XOR: + return ir.ImageAtomicXor(handle, coords, op_b, info); + case AtomicOp::EXCH: + return ir.ImageAtomicExchange(handle, coords, op_b, info); + default: + throw NotImplementedException("Atomic Operation {}", op); + } +} + +ImageFormat Format(Size size) { + switch (size) { + case Size::U32: + case Size::S32: + case Size::SD32: + return ImageFormat::R32_UINT; + default: + break; + } + throw NotImplementedException("Invalid size {}", size); +} + +bool IsSizeInt32(Size size) { + switch (size) { + case Size::U32: + case Size::S32: + case Size::SD32: + return true; + default: + return false; + } +} + +void ImageAtomOp(TranslatorVisitor& v, IR::Reg dest_reg, IR::Reg operand_reg, IR::Reg coord_reg, + IR::Reg bindless_reg, AtomicOp op, Clamp clamp, Size size, Type type, + u64 bound_offset, bool is_bindless, bool write_result) { + if (clamp != Clamp::IGN) { + throw NotImplementedException("Clamp {}", clamp); + } + if (!IsSizeInt32(size)) { + throw NotImplementedException("Size {}", size); + } + const bool is_signed{size == Size::S32}; + const ImageFormat format{Format(size)}; + const TextureType tex_type{GetType(type)}; + const IR::Value coords{MakeCoords(v, coord_reg, type)}; + + const IR::U32 handle{is_bindless != 0 ? v.X(bindless_reg) + : v.ir.Imm32(static_cast<u32>(bound_offset * 4))}; + IR::TextureInstInfo info{}; + info.type.Assign(tex_type); + info.image_format.Assign(format); + + // TODO: float/64-bit operand + const IR::Value op_b{v.X(operand_reg)}; + const IR::Value color{ApplyAtomicOp(v.ir, handle, coords, op_b, info, op, is_signed)}; + + if (write_result) { + v.X(dest_reg, IR::U32{color}); + } +} +} // Anonymous namespace + +void TranslatorVisitor::SUATOM(u64 insn) { + union { + u64 raw; + BitField<54, 1, u64> is_bindless; + BitField<29, 4, AtomicOp> op; + BitField<33, 3, Type> type; + BitField<51, 3, Size> size; + BitField<49, 2, Clamp> clamp; + BitField<0, 8, IR::Reg> dest_reg; + BitField<8, 8, IR::Reg> coord_reg; + BitField<20, 8, IR::Reg> operand_reg; + BitField<36, 13, u64> bound_offset; // !is_bindless + BitField<39, 8, IR::Reg> bindless_reg; // is_bindless + } const suatom{insn}; + + ImageAtomOp(*this, suatom.dest_reg, suatom.operand_reg, suatom.coord_reg, suatom.bindless_reg, + suatom.op, suatom.clamp, suatom.size, suatom.type, suatom.bound_offset, + suatom.is_bindless != 0, true); +} + +void TranslatorVisitor::SURED(u64 insn) { + // TODO: confirm offsets + union { + u64 raw; + BitField<51, 1, u64> is_bound; + BitField<21, 3, AtomicOp> op; + BitField<33, 3, Type> type; + BitField<20, 3, Size> size; + BitField<49, 2, Clamp> clamp; + BitField<0, 8, IR::Reg> operand_reg; + BitField<8, 8, IR::Reg> coord_reg; + BitField<36, 13, u64> bound_offset; // is_bound + BitField<39, 8, IR::Reg> bindless_reg; // !is_bound + } const sured{insn}; + ImageAtomOp(*this, IR::Reg::RZ, sured.operand_reg, sured.coord_reg, sured.bindless_reg, + sured.op, sured.clamp, sured.size, sured.type, sured.bound_offset, + sured.is_bound == 0, false); +} + +} // namespace Shader::Maxwell |