eden-emu/eden
24
4
Fork 16
Code Issues 140 Pull requests 60 Projects 1 Releases Packages Wiki Activity Actions

shader_recompiler: emulate 8-bit and 16-bit storage writes with cas loop

Browse source
This commit is contained in:
Liam 2024-01-11 16:50:59 -05:00
parent b4a57b96e0
commit 9070fbdc09
3 changed files with 86 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

40
src/shader_recompiler/backend/spirv/emit_spirv_memory.cpp
View file

@ -65,6 +65,14 @@ void WriteStorage32(EmitContext& ctx, const IR::Value& binding, const IR::Value&
WriteStorage(ctx, binding, offset, value, ctx.storage_types.U32, sizeof(u32),
&StorageDefinitions::U32, index_offset);
}
void WriteStorageByCasLoop(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset,
Id value, Id bit_offset, Id bit_count) {
const Id pointer{StoragePointer(ctx, binding, offset, ctx.storage_types.U32, sizeof(u32),
&StorageDefinitions::U32)};
ctx.OpFunctionCall(ctx.TypeVoid(), ctx.write_storage_cas_loop_func, pointer, value, bit_offset,
bit_count);
}
} // Anonymous namespace
void EmitLoadGlobalU8(EmitContext&) {
@ -219,26 +227,42 @@ Id EmitLoadStorage128(EmitContext& ctx, const IR::Value& binding, const IR::Valu
void EmitWriteStorageU8(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset,
Id value) {
WriteStorage(ctx, binding, offset, ctx.OpSConvert(ctx.U8, value), ctx.storage_types.U8,
sizeof(u8), &StorageDefinitions::U8);
if (ctx.profile.support_int8) {
WriteStorage(ctx, binding, offset, ctx.OpSConvert(ctx.U8, value), ctx.storage_types.U8,
sizeof(u8), &StorageDefinitions::U8);
} else {
WriteStorageByCasLoop(ctx, binding, offset, value, ctx.BitOffset8(offset), ctx.Const(8u));
}
}
void EmitWriteStorageS8(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset,
Id value) {
WriteStorage(ctx, binding, offset, ctx.OpSConvert(ctx.S8, value), ctx.storage_types.S8,
sizeof(s8), &StorageDefinitions::S8);
if (ctx.profile.support_int8) {
WriteStorage(ctx, binding, offset, ctx.OpSConvert(ctx.S8, value), ctx.storage_types.S8,
sizeof(s8), &StorageDefinitions::S8);
} else {
WriteStorageByCasLoop(ctx, binding, offset, value, ctx.BitOffset8(offset), ctx.Const(8u));
}
}
void EmitWriteStorageU16(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset,
Id value) {
WriteStorage(ctx, binding, offset, ctx.OpSConvert(ctx.U16, value), ctx.storage_types.U16,
sizeof(u16), &StorageDefinitions::U16);
if (ctx.profile.support_int16) {
WriteStorage(ctx, binding, offset, ctx.OpSConvert(ctx.U16, value), ctx.storage_types.U16,
sizeof(u16), &StorageDefinitions::U16);
} else {
WriteStorageByCasLoop(ctx, binding, offset, value, ctx.BitOffset16(offset), ctx.Const(16u));
}
}
void EmitWriteStorageS16(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset,
Id value) {
WriteStorage(ctx, binding, offset, ctx.OpSConvert(ctx.S16, value), ctx.storage_types.S16,
sizeof(s16), &StorageDefinitions::S16);
if (ctx.profile.support_int16) {
WriteStorage(ctx, binding, offset, ctx.OpSConvert(ctx.S16, value), ctx.storage_types.S16,
sizeof(s16), &StorageDefinitions::S16);
} else {
WriteStorageByCasLoop(ctx, binding, offset, value, ctx.BitOffset16(offset), ctx.Const(16u));
}
}
void EmitWriteStorage32(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset,