diff options
Diffstat (limited to 'src/shader_recompiler/frontend/maxwell')
3 files changed, 50 insertions, 16 deletions
diff --git a/src/shader_recompiler/frontend/maxwell/program.cpp b/src/shader_recompiler/frontend/maxwell/program.cpp index 8c44ebb29..16cdc12e2 100644 --- a/src/shader_recompiler/frontend/maxwell/program.cpp +++ b/src/shader_recompiler/frontend/maxwell/program.cpp @@ -56,6 +56,7 @@ IR::Program TranslateProgram(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Blo .post_order_blocks{}, }); } + Optimization::LowerFp16ToFp32(program); for (IR::Function& function : functions) { function.post_order_blocks = PostOrder(function.blocks); Optimization::SsaRewritePass(function.post_order_blocks); @@ -69,6 +70,7 @@ IR::Program TranslateProgram(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Blo Optimization::VerificationPass(function); } Optimization::CollectShaderInfoPass(program); + fmt::print(stdout, "{}\n", IR::DumpProgram(program)); return program; } 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 3d0c48457..ae2d37405 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 @@ -34,7 +34,7 @@ union F2I { BitField<8, 2, DestFormat> dest_format; BitField<10, 2, SrcFormat> src_format; BitField<12, 1, u64> is_signed; - BitField<39, 1, Rounding> rounding; + BitField<39, 2, Rounding> rounding; BitField<49, 1, u64> half; BitField<44, 1, u64> ftz; BitField<45, 1, u64> abs; @@ -55,6 +55,28 @@ size_t BitSize(DestFormat dest_format) { } } +IR::F64 UnpackCbuf(TranslatorVisitor& v, u64 insn) { + union { + u64 raw; + BitField<20, 14, s64> offset; + BitField<34, 5, u64> binding; + } const cbuf{insn}; + if (cbuf.binding >= 18) { + throw NotImplementedException("Out of bounds constant buffer binding {}", cbuf.binding); + } + if (cbuf.offset >= 0x4'000 || cbuf.offset < 0) { + throw NotImplementedException("Out of bounds constant buffer offset {}", cbuf.offset * 4); + } + if (cbuf.offset % 2 != 0) { + throw NotImplementedException("Unaligned F64 constant buffer offset {}", cbuf.offset * 4); + } + const IR::U32 binding{v.ir.Imm32(static_cast<u32>(cbuf.binding))}; + const IR::U32 byte_offset{v.ir.Imm32(static_cast<u32>(cbuf.offset) * 4 + 4)}; + const IR::U32 cbuf_data{v.ir.GetCbuf(binding, byte_offset)}; + const IR::Value vector{v.ir.CompositeConstruct(v.ir.Imm32(0U), cbuf_data)}; + return v.ir.PackDouble2x32(vector); +} + void TranslateF2I(TranslatorVisitor& v, u64 insn, const IR::F16F32F64& src_a) { // F2I is used to convert from a floating point value to an integer const F2I f2i{insn}; @@ -82,19 +104,16 @@ void TranslateF2I(TranslatorVisitor& v, u64 insn, const IR::F16F32F64& src_a) { const size_t bitsize{BitSize(f2i.dest_format)}; const IR::U16U32U64 result{v.ir.ConvertFToI(bitsize, is_signed, rounded_value)}; - v.X(f2i.dest_reg, 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)}); + } else { + v.X(f2i.dest_reg, result); + } if (f2i.cc != 0) { - v.SetZFlag(v.ir.GetZeroFromOp(result)); - if (is_signed) { - v.SetSFlag(v.ir.GetSignFromOp(result)); - } else { - v.ResetSFlag(); - } - v.ResetCFlag(); - - // TODO: Investigate if out of bound conversions sets the overflow flag - v.ResetOFlag(); + throw NotImplementedException("F2I CC"); } } } // Anonymous namespace @@ -118,12 +137,25 @@ void TranslatorVisitor::F2I_reg(u64 insn) { f2i.base.src_format.Value()); } }()}; - TranslateF2I(*this, insn, op_a); } -void TranslatorVisitor::F2I_cbuf(u64) { - throw NotImplementedException("{}", Opcode::F2I_cbuf); +void TranslatorVisitor::F2I_cbuf(u64 insn) { + const F2I f2i{insn}; + const IR::F16F32F64 op_a{[&]() -> IR::F16F32F64 { + switch (f2i.src_format) { + case SrcFormat::F16: + return IR::F16{ir.CompositeExtract(ir.UnpackFloat2x16(GetCbuf(insn)), f2i.half)}; + case SrcFormat::F32: + return GetCbufF(insn); + case SrcFormat::F64: { + return UnpackCbuf(*this, insn); + } + default: + throw NotImplementedException("Invalid F2I source format {}", f2i.src_format.Value()); + } + }()}; + TranslateF2I(*this, insn, op_a); } void TranslatorVisitor::F2I_imm(u64) { diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/impl.h b/src/shader_recompiler/frontend/maxwell/translate/impl/impl.h index 8bd468244..27aba2cf8 100644 --- a/src/shader_recompiler/frontend/maxwell/translate/impl/impl.h +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/impl.h @@ -11,7 +11,7 @@ namespace Shader::Maxwell { class TranslatorVisitor { public: - explicit TranslatorVisitor(Environment& env_, IR::Block& block) : env{env_} ,ir(block) {} + explicit TranslatorVisitor(Environment& env_, IR::Block& block) : env{env_}, ir(block) {} Environment& env; IR::IREmitter ir; |