1 files changed, 67 insertions, 0 deletions
diff --git a/src/filters/renderer/VideoRenderers/PixelShaderCache.h b/src/filters/renderer/VideoRenderers/PixelShaderCache.h
new file mode 100644
index 000000000..37c9c020c
--- /dev/null
+++ b/src/filters/renderer/VideoRenderers/PixelShaderCache.h
@@ -0,0 +1,67 @@
+/*
+* (C) 2016 see Authors.txt
+*
+* This file is part of MPC-HC.
+*
+* MPC-HC is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation; either version 3 of the License, or
+* (at your option) any later version.
+*
+* MPC-HC is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*
+*/
+
+#pragma once
+
+#include <cstdint>
+
+interface IDirect3DDevice9;
+interface IDirect3DPixelShader9;
+
+class CPixelShaderCache
+{
+    const unsigned int m_Version = 1;
+    const LONG m_CachedDaysLimit = 30;
+    const CString m_Extension = _T(".cso");
+
+    CComPtr<IDirect3DDevice9> m_pD3DDev;
+
+    CMap<uint64_t, uint64_t, CAutoVectorPtr<DWORD>, CAutoVectorPtr<DWORD>> m_PixelShaders;
+
+public:
+    CPixelShaderCache(IDirect3DDevice9* pD3DDev);
+
+    HRESULT CreatePixelShader(
+        LPCSTR pProfile,
+        LPCSTR pSourceData,
+        SIZE_T SourceDataSize,
+        IDirect3DPixelShader9** ppPixelShader);
+
+    void SavePixelShader(
+        LPCSTR pProfile,
+        LPCSTR pSourceData,
+        SIZE_T SourceDataSize,
+        void* pCompiledData,
+        SIZE_T CompiledDataSize);
+
+private:
+    void LoadCache();
+    static void DestroyCache();
+    static bool IsEnabled();
+    void TouchFile(const CString& FileName) const;
+    bool IsFileOutdated(const CString& FileName) const;
+    bool LoadCache(const CString& FileName, const CString& FilePath);
+    void DeleteCache(uint64_t Hash);
+    bool GetCacheFilePath(CString& CacheFilePath, uint64_t Hash) const;
+    static bool GetCacheFolder(CString& CacheFolder);
+
+    uint64_t Hash(LPCSTR pProfile, LPCSTR pSourceData, SIZE_T SourceDataSize) const;
+    uint64_t Hash(LPCSTR pStr) const;
+};