diff options
Diffstat (limited to 'src/shader_recompiler/frontend/maxwell')
6 files changed, 301 insertions, 13 deletions
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 96ee2e741..409216640 100644 --- a/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp @@ -385,14 +385,6 @@ void TranslatorVisitor::VADD(u64) { ThrowNotImplemented(Opcode::VADD); } -void TranslatorVisitor::VMAD(u64) { - ThrowNotImplemented(Opcode::VMAD); -} - -void TranslatorVisitor::VMNMX(u64) { - ThrowNotImplemented(Opcode::VMNMX); -} - void TranslatorVisitor::VOTE_vtg(u64) { ThrowNotImplemented(Opcode::VOTE_vtg); } @@ -400,11 +392,6 @@ void TranslatorVisitor::VOTE_vtg(u64) { void TranslatorVisitor::VSET(u64) { ThrowNotImplemented(Opcode::VSET); } - -void TranslatorVisitor::VSETP(u64) { - ThrowNotImplemented(Opcode::VSETP); -} - void TranslatorVisitor::VSHL(u64) { ThrowNotImplemented(Opcode::VSHL); } diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/video_helper.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/video_helper.cpp new file mode 100644 index 000000000..e1f4174cf --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/video_helper.cpp @@ -0,0 +1,30 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "shader_recompiler/exception.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/video_helper.h" + +namespace Shader::Maxwell { + +IR::U32 ExtractVideoOperandValue(IR::IREmitter& ir, const IR::U32& value, VideoWidth width, + u32 selector, bool is_signed) { + switch (width) { + case VideoWidth::Byte: + case VideoWidth::Unknown: + return ir.BitFieldExtract(value, ir.Imm32(selector * 8), ir.Imm32(8), is_signed); + case VideoWidth::Short: + return ir.BitFieldExtract(value, ir.Imm32(selector * 16), ir.Imm32(16), is_signed); + case VideoWidth::Word: + return value; + default: + throw NotImplementedException("Unknown VideoWidth {}", width); + } +} + +VideoWidth GetVideoSourceWidth(VideoWidth width, bool is_immediate) { + // immediates must be 16-bit format. + return is_immediate ? VideoWidth::Short : width; +} + +} // namespace Shader::Maxwell diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/video_helper.h b/src/shader_recompiler/frontend/maxwell/translate/impl/video_helper.h new file mode 100644 index 000000000..40c0b907c --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/video_helper.h @@ -0,0 +1,23 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include "common/common_types.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h" + +namespace Shader::Maxwell { +enum class VideoWidth : u64 { + Byte, + Unknown, + Short, + Word, +}; + +[[nodiscard]] IR::U32 ExtractVideoOperandValue(IR::IREmitter& ir, const IR::U32& value, + VideoWidth width, u32 selector, bool is_signed); + +[[nodiscard]] VideoWidth GetVideoSourceWidth(VideoWidth width, bool is_immediate); + +} // namespace Shader::Maxwell diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/video_minimum_maximum.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/video_minimum_maximum.cpp new file mode 100644 index 000000000..78869601f --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/video_minimum_maximum.cpp @@ -0,0 +1,92 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "common/common_types.h" +#include "shader_recompiler/exception.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/video_helper.h" + +namespace Shader::Maxwell { +namespace { +enum class VideoMinMaxOps : u64 { + MRG_16H, + MRG_16L, + MRG_8B0, + MRG_8B2, + ACC, + MIN, + MAX, +}; + +[[nodiscard]] IR::U32 ApplyVideoMinMaxOp(IR::IREmitter& ir, const IR::U32& lhs, const IR::U32& rhs, + VideoMinMaxOps op, bool is_signed) { + switch (op) { + case VideoMinMaxOps::MIN: + return ir.IMin(lhs, rhs, is_signed); + case VideoMinMaxOps::MAX: + return ir.IMax(lhs, rhs, is_signed); + default: + throw NotImplementedException("VMNMX op {}", op); + } +} +} // Anonymous namespace + +void TranslatorVisitor::VMNMX(u64 insn) { + union { + u64 raw; + BitField<0, 8, IR::Reg> dest_reg; + BitField<20, 16, u64> src_b_imm; + BitField<28, 2, u64> src_b_selector; + BitField<29, 2, VideoWidth> src_b_width; + BitField<36, 2, u64> src_a_selector; + BitField<37, 2, VideoWidth> src_a_width; + BitField<47, 1, u64> cc; + BitField<48, 1, u64> src_a_sign; + BitField<49, 1, u64> src_b_sign; + BitField<50, 1, u64> is_src_b_reg; + BitField<51, 3, VideoMinMaxOps> op; + BitField<54, 1, u64> dest_sign; + BitField<55, 1, u64> sat; + BitField<56, 1, u64> mx; + } const vmnmx{insn}; + + if (vmnmx.cc != 0) { + throw NotImplementedException("VMNMX CC"); + } + if (vmnmx.sat != 0) { + throw NotImplementedException("VMNMX SAT"); + } + // Selectors were shown to default to 2 in unit tests + if (vmnmx.src_a_selector != 2) { + throw NotImplementedException("VMNMX Selector {}", vmnmx.src_a_selector.Value()); + } + if (vmnmx.src_b_selector != 2) { + throw NotImplementedException("VMNMX Selector {}", vmnmx.src_b_selector.Value()); + } + if (vmnmx.src_a_width != VideoWidth::Word) { + throw NotImplementedException("VMNMX Source Width {}", vmnmx.src_a_width.Value()); + } + + const bool is_b_imm{vmnmx.is_src_b_reg == 0}; + const IR::U32 src_a{GetReg8(insn)}; + const IR::U32 src_b{is_b_imm ? ir.Imm32(static_cast<u32>(vmnmx.src_b_imm)) : GetReg20(insn)}; + const IR::U32 src_c{GetReg39(insn)}; + + const VideoWidth a_width{vmnmx.src_a_width}; + const VideoWidth b_width{GetVideoSourceWidth(vmnmx.src_b_width, is_b_imm)}; + + const bool src_a_signed{vmnmx.src_a_sign != 0}; + const bool src_b_signed{vmnmx.src_b_sign != 0}; + const IR::U32 op_a{ExtractVideoOperandValue(ir, src_a, a_width, 0, src_a_signed)}; + const IR::U32 op_b{ExtractVideoOperandValue(ir, src_b, b_width, 0, src_b_signed)}; + + // First operation's sign is only dependent on operand b's sign + const bool op_1_signed{src_b_signed}; + + const IR::U32 lhs{vmnmx.mx != 0 ? ir.IMax(op_a, op_b, op_1_signed) + : ir.IMin(op_a, op_b, op_1_signed)}; + X(vmnmx.dest_reg, ApplyVideoMinMaxOp(ir, lhs, src_c, vmnmx.op, vmnmx.dest_sign != 0)); +} + +} // namespace Shader::Maxwell diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/video_multiply_add.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/video_multiply_add.cpp new file mode 100644 index 000000000..cc2e6d6e6 --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/video_multiply_add.cpp @@ -0,0 +1,64 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "common/common_types.h" +#include "shader_recompiler/exception.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/video_helper.h" + +namespace Shader::Maxwell { +void TranslatorVisitor::VMAD(u64 insn) { + union { + u64 raw; + BitField<0, 8, IR::Reg> dest_reg; + BitField<20, 16, u64> src_b_imm; + BitField<28, 2, u64> src_b_selector; + BitField<29, 2, VideoWidth> src_b_width; + BitField<36, 2, u64> src_a_selector; + BitField<37, 2, VideoWidth> src_a_width; + BitField<47, 1, u64> cc; + BitField<48, 1, u64> src_a_sign; + BitField<49, 1, u64> src_b_sign; + BitField<50, 1, u64> is_src_b_reg; + BitField<51, 2, u64> scale; + BitField<53, 1, u64> src_c_neg; + BitField<54, 1, u64> src_a_neg; + BitField<55, 1, u64> sat; + } const vmad{insn}; + + if (vmad.cc != 0) { + throw NotImplementedException("VMAD CC"); + } + if (vmad.sat != 0) { + throw NotImplementedException("VMAD SAT"); + } + if (vmad.scale != 0) { + throw NotImplementedException("VMAD SCALE"); + } + if (vmad.src_a_neg != 0 && vmad.src_c_neg != 0) { + throw NotImplementedException("VMAD PO"); + } + if (vmad.src_a_neg != 0 || vmad.src_c_neg != 0) { + throw NotImplementedException("VMAD NEG"); + } + const bool is_b_imm{vmad.is_src_b_reg == 0}; + const IR::U32 src_a{GetReg8(insn)}; + const IR::U32 src_b{is_b_imm ? ir.Imm32(static_cast<u32>(vmad.src_b_imm)) : GetReg20(insn)}; + const IR::U32 src_c{GetReg39(insn)}; + + const u32 a_selector{static_cast<u32>(vmad.src_a_selector)}; + // Immediate values can't have a selector + const u32 b_selector{is_b_imm ? 0U : static_cast<u32>(vmad.src_b_selector)}; + const VideoWidth a_width{vmad.src_a_width}; + const VideoWidth b_width{GetVideoSourceWidth(vmad.src_b_width, is_b_imm)}; + + const bool src_a_signed{vmad.src_a_sign != 0}; + const bool src_b_signed{vmad.src_b_sign != 0}; + const IR::U32 op_a{ExtractVideoOperandValue(ir, src_a, a_width, a_selector, src_a_signed)}; + const IR::U32 op_b{ExtractVideoOperandValue(ir, src_b, b_width, b_selector, src_b_signed)}; + + X(vmad.dest_reg, ir.IAdd(ir.IMul(op_a, op_b), src_c)); +} + +} // namespace Shader::Maxwell diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/video_set_predicate.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/video_set_predicate.cpp new file mode 100644 index 000000000..af13b3fcc --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/video_set_predicate.cpp @@ -0,0 +1,92 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "common/common_types.h" +#include "shader_recompiler/exception.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/common_funcs.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/video_helper.h" + +namespace Shader::Maxwell { +namespace { +enum class VsetpCompareOp : u64 { + False = 0, + LessThan, + Equal, + LessThanEqual, + GreaterThan = 16, + NotEqual, + GreaterThanEqual, + True, +}; + +CompareOp VsetpToShaderCompareOp(VsetpCompareOp op) { + switch (op) { + case VsetpCompareOp::False: + return CompareOp::False; + case VsetpCompareOp::LessThan: + return CompareOp::LessThan; + case VsetpCompareOp::Equal: + return CompareOp::Equal; + case VsetpCompareOp::LessThanEqual: + return CompareOp::LessThanEqual; + case VsetpCompareOp::GreaterThan: + return CompareOp::GreaterThan; + case VsetpCompareOp::NotEqual: + return CompareOp::NotEqual; + case VsetpCompareOp::GreaterThanEqual: + return CompareOp::GreaterThanEqual; + case VsetpCompareOp::True: + return CompareOp::True; + default: + throw NotImplementedException("Invalid compare op {}", op); + } +} +} // Anonymous namespace + +void TranslatorVisitor::VSETP(u64 insn) { + union { + u64 raw; + BitField<0, 3, IR::Pred> dest_pred_b; + BitField<3, 3, IR::Pred> dest_pred_a; + BitField<20, 16, u64> src_b_imm; + BitField<28, 2, u64> src_b_selector; + BitField<29, 2, VideoWidth> src_b_width; + BitField<36, 2, u64> src_a_selector; + BitField<37, 2, VideoWidth> src_a_width; + BitField<39, 3, IR::Pred> bop_pred; + BitField<42, 1, u64> neg_bop_pred; + BitField<43, 5, VsetpCompareOp> compare_op; + BitField<45, 2, BooleanOp> bop; + BitField<48, 1, u64> src_a_sign; + BitField<49, 1, u64> src_b_sign; + BitField<50, 1, u64> is_src_b_reg; + } const vsetp{insn}; + + const bool is_b_imm{vsetp.is_src_b_reg == 0}; + const IR::U32 src_a{GetReg8(insn)}; + const IR::U32 src_b{is_b_imm ? ir.Imm32(static_cast<u32>(vsetp.src_b_imm)) : GetReg20(insn)}; + + const u32 a_selector{static_cast<u32>(vsetp.src_a_selector)}; + const u32 b_selector{is_b_imm ? 0U : static_cast<u32>(vsetp.src_b_selector)}; + const VideoWidth a_width{vsetp.src_a_width}; + const VideoWidth b_width{GetVideoSourceWidth(vsetp.src_b_width, is_b_imm)}; + + const bool src_a_signed{vsetp.src_a_sign != 0}; + const bool src_b_signed{vsetp.src_b_sign != 0}; + const IR::U32 op_a{ExtractVideoOperandValue(ir, src_a, a_width, a_selector, src_a_signed)}; + const IR::U32 op_b{ExtractVideoOperandValue(ir, src_b, b_width, a_selector, src_b_signed)}; + + // Compare operation's sign is only dependent on operand b's sign + const bool compare_signed{src_b_signed}; + const CompareOp compare_op{VsetpToShaderCompareOp(vsetp.compare_op)}; + const IR::U1 comparison{IntegerCompare(ir, op_a, op_b, compare_op, compare_signed)}; + const IR::U1 bop_pred{ir.GetPred(vsetp.bop_pred, vsetp.neg_bop_pred != 0)}; + const IR::U1 result_a{PredicateCombine(ir, comparison, bop_pred, vsetp.bop)}; + const IR::U1 result_b{PredicateCombine(ir, ir.LogicalNot(comparison), bop_pred, vsetp.bop)}; + ir.SetPred(vsetp.dest_pred_a, result_a); + ir.SetPred(vsetp.dest_pred_b, result_b); +} + +} // namespace Shader::Maxwell |