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// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/bit_field.h"
#include "common/common_types.h"
#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
namespace Shader::Maxwell {
namespace {
enum class SpecialRegister : u64 {
SR_LANEID = 0,
SR_CLOCK = 1,
SR_VIRTCFG = 2,
SR_VIRTID = 3,
SR_PM0 = 4,
SR_PM1 = 5,
SR_PM2 = 6,
SR_PM3 = 7,
SR_PM4 = 8,
SR_PM5 = 9,
SR_PM6 = 10,
SR_PM7 = 11,
SR12 = 12,
SR13 = 13,
SR14 = 14,
SR_ORDERING_TICKET = 15,
SR_PRIM_TYPE = 16,
SR_INVOCATION_ID = 17,
SR_Y_DIRECTION = 18,
SR_THREAD_KILL = 19,
SM_SHADER_TYPE = 20,
SR_DIRECTCBEWRITEADDRESSLOW = 21,
SR_DIRECTCBEWRITEADDRESSHIGH = 22,
SR_DIRECTCBEWRITEENABLE = 23,
SR_MACHINE_ID_0 = 24,
SR_MACHINE_ID_1 = 25,
SR_MACHINE_ID_2 = 26,
SR_MACHINE_ID_3 = 27,
SR_AFFINITY = 28,
SR_INVOCATION_INFO = 29,
SR_WSCALEFACTOR_XY = 30,
SR_WSCALEFACTOR_Z = 31,
SR_TID = 32,
SR_TID_X = 33,
SR_TID_Y = 34,
SR_TID_Z = 35,
SR_CTA_PARAM = 36,
SR_CTAID_X = 37,
SR_CTAID_Y = 38,
SR_CTAID_Z = 39,
SR_NTID = 40,
SR_CirQueueIncrMinusOne = 41,
SR_NLATC = 42,
SR43 = 43,
SR_SM_SPA_VERSION = 44,
SR_MULTIPASSSHADERINFO = 45,
SR_LWINHI = 46,
SR_SWINHI = 47,
SR_SWINLO = 48,
SR_SWINSZ = 49,
SR_SMEMSZ = 50,
SR_SMEMBANKS = 51,
SR_LWINLO = 52,
SR_LWINSZ = 53,
SR_LMEMLOSZ = 54,
SR_LMEMHIOFF = 55,
SR_EQMASK = 56,
SR_LTMASK = 57,
SR_LEMASK = 58,
SR_GTMASK = 59,
SR_GEMASK = 60,
SR_REGALLOC = 61,
SR_BARRIERALLOC = 62,
SR63 = 63,
SR_GLOBALERRORSTATUS = 64,
SR65 = 65,
SR_WARPERRORSTATUS = 66,
SR_WARPERRORSTATUSCLEAR = 67,
SR68 = 68,
SR69 = 69,
SR70 = 70,
SR71 = 71,
SR_PM_HI0 = 72,
SR_PM_HI1 = 73,
SR_PM_HI2 = 74,
SR_PM_HI3 = 75,
SR_PM_HI4 = 76,
SR_PM_HI5 = 77,
SR_PM_HI6 = 78,
SR_PM_HI7 = 79,
SR_CLOCKLO = 80,
SR_CLOCKHI = 81,
SR_GLOBALTIMERLO = 82,
SR_GLOBALTIMERHI = 83,
SR84 = 84,
SR85 = 85,
SR86 = 86,
SR87 = 87,
SR88 = 88,
SR89 = 89,
SR90 = 90,
SR91 = 91,
SR92 = 92,
SR93 = 93,
SR94 = 94,
SR95 = 95,
SR_HWTASKID = 96,
SR_CIRCULARQUEUEENTRYINDEX = 97,
SR_CIRCULARQUEUEENTRYADDRESSLOW = 98,
SR_CIRCULARQUEUEENTRYADDRESSHIGH = 99,
};
[[nodiscard]] IR::U32 Read(IR::IREmitter& ir, SpecialRegister special_register) {
switch (special_register) {
case SpecialRegister::SR_INVOCATION_ID:
return ir.InvocationId();
case SpecialRegister::SR_THREAD_KILL:
return IR::U32{ir.Select(ir.IsHelperInvocation(), ir.Imm32(-1), ir.Imm32(0))};
case SpecialRegister::SR_INVOCATION_INFO:
// LOG_WARNING(..., "SR_INVOCATION_INFO is stubbed");
return ir.Imm32(0x00ff'0000);
case SpecialRegister::SR_TID_X:
return ir.LocalInvocationIdX();
case SpecialRegister::SR_TID_Y:
return ir.LocalInvocationIdY();
case SpecialRegister::SR_TID_Z:
return ir.LocalInvocationIdZ();
case SpecialRegister::SR_CTAID_X:
return ir.WorkgroupIdX();
case SpecialRegister::SR_CTAID_Y:
return ir.WorkgroupIdY();
case SpecialRegister::SR_CTAID_Z:
return ir.WorkgroupIdZ();
case SpecialRegister::SR_WSCALEFACTOR_XY:
// LOG_WARNING(..., "SR_WSCALEFACTOR_XY is stubbed");
return ir.Imm32(Common::BitCast<u32>(1.0f));
case SpecialRegister::SR_WSCALEFACTOR_Z:
// LOG_WARNING(..., "SR_WSCALEFACTOR_Z is stubbed");
return ir.Imm32(Common::BitCast<u32>(1.0f));
case SpecialRegister::SR_LANEID:
return ir.LaneId();
case SpecialRegister::SR_EQMASK:
return ir.SubgroupEqMask();
case SpecialRegister::SR_LTMASK:
return ir.SubgroupLtMask();
case SpecialRegister::SR_LEMASK:
return ir.SubgroupLeMask();
case SpecialRegister::SR_GTMASK:
return ir.SubgroupGtMask();
case SpecialRegister::SR_GEMASK:
return ir.SubgroupGeMask();
default:
throw NotImplementedException("S2R special register {}", special_register);
}
}
} // Anonymous namespace
void TranslatorVisitor::S2R(u64 insn) {
union {
u64 raw;
BitField<0, 8, IR::Reg> dest_reg;
BitField<20, 8, SpecialRegister> src_reg;
} const s2r{insn};
X(s2r.dest_reg, Read(ir, s2r.src_reg));
}
} // namespace Shader::Maxwell
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