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- // VirtualDub - Video processing and capture application
- // System library component
- // Copyright (C) 1998-2004 Avery Lee, All Rights Reserved.
- //
- // Beginning with 1.6.0, the VirtualDub system library is licensed
- // differently than the remainder of VirtualDub. This particular file is
- // thus licensed as follows (the "zlib" license):
- //
- // This software is provided 'as-is', without any express or implied
- // warranty. In no event will the authors be held liable for any
- // damages arising from the use of this software.
- //
- // Permission is granted to anyone to use this software for any purpose,
- // including commercial applications, and to alter it and redistribute it
- // freely, subject to the following restrictions:
- //
- // 1. The origin of this software must not be misrepresented; you must
- // not claim that you wrote the original software. If you use this
- // software in a product, an acknowledgment in the product
- // documentation would be appreciated but is not required.
- // 2. Altered source versions must be plainly marked as such, and must
- // not be misrepresented as being the original software.
- // 3. This notice may not be removed or altered from any source
- // distribution.
-
- #ifndef f_VD2_SYSTEM_MEMORY_H
- #define f_VD2_SYSTEM_MEMORY_H
-
- #include <vd2/system/vdtypes.h>
-
- void *VDAlignedMalloc(size_t n, unsigned alignment);
- void VDAlignedFree(void *p);
-
- template<unsigned alignment>
- struct VDAlignedObject {
- inline void *operator new(size_t n) { return VDAlignedMalloc(n, alignment); }
- inline void operator delete(void *p) { VDAlignedFree(p); }
- };
-
- void *VDAlignedVirtualAlloc(size_t n);
- void VDAlignedVirtualFree(void *p);
-
- extern void (__cdecl *VDSwapMemory)(void *p0, void *p1, size_t bytes);
-
- void VDInvertMemory(void *p, unsigned bytes);
-
- bool VDIsValidReadRegion(const void *p, size_t bytes);
- bool VDIsValidWriteRegion(void *p, size_t bytes);
-
- bool VDCompareRect(void *dst, ptrdiff_t dstpitch, const void *src, ptrdiff_t srcpitch, size_t w, size_t h);
-
- const void *VDMemCheck8(const void *src, uint8 value, size_t count);
-
- void VDMemset8(void *dst, uint8 value, size_t count);
- void VDMemset16(void *dst, uint16 value, size_t count);
- void VDMemset24(void *dst, uint32 value, size_t count);
- void VDMemset32(void *dst, uint32 value, size_t count);
- void VDMemset64(void *dst, uint64 value, size_t count);
- void VDMemset128(void *dst, const void *value, size_t count);
- void VDMemsetPointer(void *dst, const void *value, size_t count);
-
- void VDMemset8Rect(void *dst, ptrdiff_t pitch, uint8 value, size_t w, size_t h);
- void VDMemset16Rect(void *dst, ptrdiff_t pitch, uint16 value, size_t w, size_t h);
- void VDMemset24Rect(void *dst, ptrdiff_t pitch, uint32 value, size_t w, size_t h);
- void VDMemset32Rect(void *dst, ptrdiff_t pitch, uint32 value, size_t w, size_t h);
-
- #if defined(_WIN32) && defined(_M_IX86)
- extern void (__cdecl *VDFastMemcpyPartial)(void *dst, const void *src, size_t bytes);
- extern void (__cdecl *VDFastMemcpyFinish)();
- void VDFastMemcpyAutodetect();
- #else
- void VDFastMemcpyPartial(void *dst, const void *src, size_t bytes);
- void VDFastMemcpyFinish();
- void VDFastMemcpyAutodetect();
- #endif
-
-
- void VDMemcpyRect(void *dst, ptrdiff_t dststride, const void *src, ptrdiff_t srcstride, size_t w, size_t h);
-
- /// Copy a region of memory with an access violation guard; used in cases where a sporadic
- /// AV is unavoidable (dynamic Direct3D VB under XP). The regions must not overlap.
- bool VDMemcpyGuarded(void *dst, const void *src, size_t bytes);
-
- #endif
-