diff options
| author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2021-03-09 17:14:57 -0300 |
|---|---|---|
| committer | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-07-22 21:51:23 -0400 |
| commit | 3a63fa0477ea8297c80133d35494e1dfdc012f95 (patch) | |
| tree | 3cd8b9be6f91cb1628b0d47513b7adb88df5f7b2 /src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp | |
| parent | ab463712474de5f99eec137a9c6233e55fe184f0 (diff) | |
shader: Partial implementation of LDC
Diffstat (limited to 'src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp')
| -rw-r--r-- | src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp index a5a0e1a9b2..7564aeeb24 100644 --- a/src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp @@ -56,25 +56,32 @@ IR::F32 TranslatorVisitor::GetFloatReg39(u64 insn) { return ir.BitCast<IR::F32>(GetReg39(insn)); } -IR::U32 TranslatorVisitor::GetCbuf(u64 insn) { +static std::pair<IR::U32, IR::U32> CbufAddr(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 >= 0x10'000 || cbuf.offset < 0) { throw NotImplementedException("Out of bounds constant buffer offset {}", cbuf.offset); } - const IR::U32 binding{ir.Imm32(static_cast<u32>(cbuf.binding))}; - const IR::U32 byte_offset{ir.Imm32(static_cast<u32>(cbuf.offset) * 4)}; + const IR::Value binding{static_cast<u32>(cbuf.binding)}; + const IR::Value byte_offset{static_cast<u32>(cbuf.offset) * 4}; + return {IR::U32{binding}, IR::U32{byte_offset}}; +} + +IR::U32 TranslatorVisitor::GetCbuf(u64 insn) { + const auto[binding, byte_offset]{CbufAddr(insn)}; return ir.GetCbuf(binding, byte_offset); } IR::F32 TranslatorVisitor::GetFloatCbuf(u64 insn) { - return ir.BitCast<IR::F32>(GetCbuf(insn)); + const auto[binding, byte_offset]{CbufAddr(insn)}; + return ir.GetFloatCbuf(binding, byte_offset); } IR::U32 TranslatorVisitor::GetImm20(u64 insn) { @@ -83,6 +90,7 @@ IR::U32 TranslatorVisitor::GetImm20(u64 insn) { BitField<20, 19, u64> value; BitField<56, 1, u64> is_negative; } const imm{insn}; + if (imm.is_negative != 0) { const s64 raw{static_cast<s64>(imm.value)}; return ir.Imm32(static_cast<s32>(-(1LL << 19) + raw)); |