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https://github.com/hrydgard/ppsspp.git
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93412aff3b
Should speed things up a bit on mobile in some games that do stupid things like GoW. Currently only enabled in GoW, but plan to enable this globally as it should be quite cheap when nothing is detected.
92 lines
3.1 KiB
C++
92 lines
3.1 KiB
C++
// Copyright (c) 2015- 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 <string>
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#include <cstdint>
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// Compatibility flags are controlled by assets/compat.ini.
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// Alternatively, if PSP/SYSTEM/compat.ini exists, it is merged on top, to enable editing
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// the file on Android for tests.
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//
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// This file is not meant to be user-editable, although is kept as a separate ini
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// file instead of compiled into the code for debugging purposes.
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//
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// The uses cases are strict:
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// * Enable fixes for things we can't reasonably emulate without completely ruining
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// performance for other games, such as the screen copies in Dangan Ronpa
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// * Disabling accuracy features like 16-bit depth rounding, when we can't seem to
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// implement them at all in a 100% compatible way
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// * Emergency game-specific compatibility fixes before releases, such as the GTA
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// music problem where every attempted fix has reduced compatibility with other games
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// * Enable "unsafe" performance optimizations that some games can tolerate and
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// others cannot. We do not currently have any of those.
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//
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// This functionality should NOT be used for any of the following:
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// * Cheats
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// * Fun hacks, like enlarged heads or whatever
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// * Fixing general compatibility issues. First try to find a general solution. Try hard.
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//
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// We already have the Action Replay-based cheat system for such use cases.
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struct CompatFlags {
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bool VertexDepthRounding;
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bool PixelDepthRounding;
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bool DepthRangeHack;
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bool ClearToRAM;
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bool Force04154000Download;
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bool DrawSyncEatCycles;
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bool FakeMipmapChange;
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bool RequireBufferedRendering;
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bool RequireBlockTransfer;
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bool RequireDefaultCPUClock;
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bool DisableReadbacks;
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bool DisableAccurateDepth;
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bool MGS2AcidHack;
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bool SonicRivalsHack;
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bool RenderPassMerge;
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bool BlockTransferAllowCreateFB;
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bool YugiohSaveFix;
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bool ForceUMDDelay;
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bool ForceMax60FPS;
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bool JitInvalidationHack;
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bool HideISOFiles;
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bool MoreAccurateVMMUL;
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};
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class IniFile;
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class Compatibility {
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public:
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Compatibility() {
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Clear();
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}
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// Flags enforced read-only through const. Only way to change them is to load assets/compat.ini.
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const CompatFlags &flags() const { return flags_; }
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void Load(const std::string &gameID);
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private:
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void Clear();
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void CheckSettings(IniFile &iniFile, const std::string &gameID);
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void CheckSetting(IniFile &iniFile, const std::string &gameID, const char *option, bool *flag);
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CompatFlags flags_{};
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};
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