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[shader_recompiler] Rewrite ISBERD (#2541)

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I tried to simplify ISBERD a little bit, and remove unneeded data shifting, and unneeded complexity through helper functions I previously added.

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/2541
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Reviewed-by: crueter <crueter@eden-emu.dev>
Co-authored-by: SDK Chan <sdkchan@eden-emu.dev>
Co-committed-by: SDK Chan <sdkchan@eden-emu.dev>
This commit is contained in:
SDK Chan 2025-09-22 17:55:41 +02:00 • committed by crueter
parent f33a771d58
commit 49f29e5071
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3 changed files with 94 additions and 100 deletions
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30
src/shader_recompiler/frontend/maxwell/translate/impl/impl.h
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@ -56,30 +56,6 @@ enum class FPCompareOp : u64 {
T,
};
namespace Isberd {
enum class Mode : u64 {
Default,
Patch,
Prim,
Attr,
};
enum class Shift : u64 {
Default,
U16,
B32,
};
enum class SZ : u64 {
U8,
U16,
U32,
F32,
};
} // namespace Isberd
class TranslatorVisitor {
public:
explicit TranslatorVisitor(Environment& env_, IR::Block& block) : env{env_}, ir(block) {}
@ -408,12 +384,6 @@ public:
void ResetSFlag();
void ResetCFlag();
void ResetOFlag();
private:
// Helper functions for various translator visitors
IR::U32 apply_ISBERD_shift(IR::U32 result, Isberd::Shift shift_value);
IR::U32 apply_ISBERD_size_read(IR::U32 address, Isberd::SZ sz_value);
IR::U32 compute_ISBERD_address(IR::Reg src_reg, u32 src_reg_num, u32 imm, u64 skew_value);
};
} // namespace Shader::Maxwell