123 lines
3 KiB
C
123 lines
3 KiB
C
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// Copyright (c) 2021- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#pragma once
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#include "ppsspp_config.h"
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#include <cstdint>
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#include <vector>
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#if PPSSPP_ARCH(ARM)
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#include "Common/ArmEmitter.h"
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#elif PPSSPP_ARCH(ARM64)
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#include "Common/Arm64Emitter.h"
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#elif PPSSPP_ARCH(X86) || PPSSPP_ARCH(AMD64)
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#include "Common/x64Emitter.h"
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#elif PPSSPP_ARCH(MIPS)
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#include "Common/MipsEmitter.h"
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#else
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#include "Common/FakeEmitter.h"
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#endif
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namespace Rasterizer {
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struct RegCache {
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enum Purpose {
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FLAG_GEN = 0x0100,
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FLAG_TEMP = 0x1000,
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VEC_ZERO = 0x0000,
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GEN_SRC_ALPHA = 0x0100,
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GEN_GSTATE = 0x0101,
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GEN_CONST_BASE = 0x0102,
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GEN_STENCIL = 0x0103,
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GEN_COLOR_OFF = 0x0104,
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GEN_DEPTH_OFF = 0x0105,
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GEN_ARG_X = 0x0180,
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GEN_ARG_Y = 0x0181,
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GEN_ARG_Z = 0x0182,
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GEN_ARG_FOG = 0x0183,
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VEC_ARG_COLOR = 0x0080,
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VEC_ARG_MASK = 0x0081,
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VEC_TEMP0 = 0x1000,
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VEC_TEMP1 = 0x1001,
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VEC_TEMP2 = 0x1002,
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VEC_TEMP3 = 0x1003,
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VEC_TEMP4 = 0x1004,
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VEC_TEMP5 = 0x1005,
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GEN_TEMP0 = 0x1100,
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GEN_TEMP1 = 0x1101,
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GEN_TEMP2 = 0x1102,
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GEN_TEMP3 = 0x1103,
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GEN_TEMP4 = 0x1104,
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GEN_TEMP5 = 0x1105,
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GEN_TEMP_HELPER = 0x1106,
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VEC_INVALID = 0xFEFF,
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GEN_INVALID = 0xFFFF,
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};
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#if PPSSPP_ARCH(ARM)
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typedef ArmGen::ARMReg Reg;
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static constexpr Reg REG_INVALID_VALUE = ArmGen::INVALID_REG;
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#elif PPSSPP_ARCH(ARM64)
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typedef Arm64Gen::ARM64Reg Reg;
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static constexpr Reg REG_INVALID_VALUE = Arm64Gen::INVALID_REG;
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#elif PPSSPP_ARCH(X86) || PPSSPP_ARCH(AMD64)
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typedef Gen::X64Reg Reg;
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static constexpr Reg REG_INVALID_VALUE = Gen::INVALID_REG;
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#elif PPSSPP_ARCH(MIPS)
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typedef MIPSGen::MIPSReg Reg;
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static constexpr Reg REG_INVALID_VALUE = MIPSGen::INVALID_REG;
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#else
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typedef int Reg;
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static constexpr Reg REG_INVALID_VALUE = -1;
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#endif
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struct RegStatus {
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Reg reg;
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Purpose purpose;
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uint8_t locked = 0;
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bool forceRetained = false;
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};
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void Reset(bool validate);
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void Add(Reg r, Purpose p);
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void Change(Purpose history, Purpose destiny);
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void Release(Reg &r, Purpose p);
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void Unlock(Reg &r, Purpose p);
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bool Has(Purpose p);
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Reg Find(Purpose p);
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Reg Alloc(Purpose p);
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void ForceRetain(Purpose p);
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void ForceRelease(Purpose p);
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// For getting a specific reg. WARNING: May return a locked reg, so you have to check.
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void GrabReg(Reg r, Purpose p, bool &needsSwap, Reg swapReg, Purpose swapPurpose);
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private:
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RegStatus *FindReg(Reg r, Purpose p);
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std::vector<RegStatus> regs;
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};
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};
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