97 lines
2.4 KiB
C++
97 lines
2.4 KiB
C++
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// Copyright (c) 2017- 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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#include "ppsspp_config.h"
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#if PPSSPP_ARCH(X86) || PPSSPP_ARCH(AMD64)
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#include <emmintrin.h>
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#include "Common/x64Emitter.h"
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#include "GPU/Software/Sampler.h"
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#include "GPU/ge_constants.h"
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using namespace Gen;
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namespace Sampler {
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#ifdef _WIN32
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static const X64Reg resultReg = RAX;
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static const X64Reg tempReg1 = R10;
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static const X64Reg tempReg2 = R11;
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static const X64Reg uReg = RCX;
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static const X64Reg vReg = RDX;
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static const X64Reg srcReg = R8;
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static const X64Reg bufwReg = R9;
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// TODO: levelReg on stack
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#else
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static const X64Reg resultReg = RAX;
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static const X64Reg tempReg1 = R9;
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static const X64Reg tempReg2 = R10;
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static const X64Reg uReg = RDI;
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static const X64Reg vReg = RSI
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static const X64Reg srcReg = RDX;
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static const X64Reg bufwReg = RCX;
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static const X64Reg levelReg = R8;
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#endif
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NearestFunc SamplerJitCache::Compile(const SamplerID &id) {
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BeginWrite();
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const u8 *start = this->AlignCode16();
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SUB(PTRBITS, R(ESP), Imm8(64));
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MOVUPS(MDisp(ESP, 0), XMM4);
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MOVUPS(MDisp(ESP, 16), XMM5);
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MOVUPS(MDisp(ESP, 32), XMM6);
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MOVUPS(MDisp(ESP, 48), XMM7);
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// Early exit on !srcPtr.
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CMP(PTRBITS, R(srcReg), Imm32(0));
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FixupBranch nonZeroSrc = J_CC(CC_NZ);
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XOR(32, R(RAX), R(RAX));
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FixupBranch zeroSrc = J(true);
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SetJumpTarget(nonZeroSrc);
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GETextureFormat fmt = (GETextureFormat)id.texfmt;
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bool success = true;
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switch (fmt) {
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default:
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success = false;
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}
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if (!success) {
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EndWrite();
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SetCodePtr(const_cast<u8 *>(start));
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return nullptr;
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}
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SetJumpTarget(zeroSrc);
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MOVUPS(XMM4, MDisp(ESP, 0));
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MOVUPS(XMM5, MDisp(ESP, 16));
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MOVUPS(XMM6, MDisp(ESP, 32));
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MOVUPS(XMM7, MDisp(ESP, 48));
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ADD(PTRBITS, R(ESP), Imm8(64));
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RET();
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EndWrite();
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return (NearestFunc)start;
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}
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};
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#endif
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