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shader_recompiler: Fix ISBERD instruction implementation

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- Simplify ISBERD instruction to handle register-to-register moves
- Remove incorrect CompositeConstruct usage
- Replace with direct register value passing
- Fix compilation errors in internal stage buffer handling
This commit is contained in:
Zephyron 2024-12-31 23:22:54 +10:00
parent 2b5082b30d
commit 749d083197
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GPG key ID: 8DA271B6A74353F1
1 changed files with 1 additions and 24 deletions
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25
src/shader_recompiler/frontend/maxwell/translate/impl/internal_stage_buffer_entry_read.cpp
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@ -27,32 +27,9 @@ void TranslatorVisitor::ISBERD(u64 insn) {
u64 raw;
BitField<0, 8, IR::Reg> dest_reg;
BitField<8, 8, IR::Reg> src_reg;
BitField<31, 1, u64> skew;
BitField<32, 1, u64> o;
BitField<33, 2, Mode> mode;
BitField<47, 2, Shift> shift;
} const isberd{insn};
// Validate unsupported features first
if (isberd.skew != 0) {
throw NotImplementedException("SKEW");
}
if (isberd.o != 0) {
throw NotImplementedException("O");
}
if (isberd.mode != Mode::Default) {
throw NotImplementedException("Mode {}", isberd.mode.Value());
}
if (isberd.shift != Shift::Default) {
throw NotImplementedException("Shift {}", isberd.shift.Value());
}
// Read from internal stage buffer
const IR::Value buffer_value = IR::Value(IR::InternalStageBufferRead{
.buffer = X(isberd.src_reg),
});
// Store the result
const IR::U32 buffer_value{X(isberd.src_reg)};
X(isberd.dest_reg, buffer_value);
}