diff options
Diffstat (limited to 'src/thirdparty/VirtualDub/system/source/memory.cpp')
| -rw-r--r-- | src/thirdparty/VirtualDub/system/source/memory.cpp | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/thirdparty/VirtualDub/system/source/memory.cpp b/src/thirdparty/VirtualDub/system/source/memory.cpp index 3e03b5d34..6edce7873 100644 --- a/src/thirdparty/VirtualDub/system/source/memory.cpp +++ b/src/thirdparty/VirtualDub/system/source/memory.cpp @@ -365,6 +365,7 @@ void VDMemset32Rect(void *dst, ptrdiff_t pitch, uint32 value, size_t w, size_t h extern "C" void __cdecl VDFastMemcpyPartialScalarAligned8(void *dst, const void *src, size_t bytes);
extern "C" void __cdecl VDFastMemcpyPartialMMX(void *dst, const void *src, size_t bytes);
extern "C" void __cdecl VDFastMemcpyPartialMMX2(void *dst, const void *src, size_t bytes);
+ extern "C" void __cdecl VDFastMemcpyPartialSSE2(void *dst, const void *src, size_t bytes);
void VDFastMemcpyPartialScalar(void *dst, const void *src, size_t bytes) {
if (!(((int)dst | (int)src | bytes) & 7))
@@ -391,7 +392,13 @@ void VDMemset32Rect(void *dst, ptrdiff_t pitch, uint32 value, size_t w, size_t h void VDFastMemcpyAutodetect() {
long exts = CPUGetEnabledExtensions();
- if (exts & CPUF_SUPPORTS_SSE) {
+ // MPC custom code (begin)
+ if (exts & CPUF_SUPPORTS_SSE2) {
+ VDFastMemcpyPartial = VDFastMemcpyPartialSSE2;
+ VDFastMemcpyFinish = VDFastMemcpyFinishMMX2;
+ VDSwapMemory = VDSwapMemorySSE;
+ // MPC custom code (end)
+ } else if (exts & CPUF_SUPPORTS_SSE) {
VDFastMemcpyPartial = VDFastMemcpyPartialMMX2;
VDFastMemcpyFinish = VDFastMemcpyFinishMMX2;
VDSwapMemory = VDSwapMemorySSE;
@@ -426,6 +433,17 @@ void VDMemcpyRect(void *dst, ptrdiff_t dststride, const void *src, ptrdiff_t src if (w <= 0 || h <= 0)
return;
+ // MPC custom code (begin)
+#ifdef _DEBUG
+ if (CPUGetEnabledExtensions() & CPUF_SUPPORTS_SSE2) {
+ _ASSERT(!(((UINT_PTR)dst | (UINT_PTR)src) & 0xF));
+ if (h > 1) {
+ _ASSERT(!((dststride | srcstride) & 0xF));
+ }
+ }
+#endif
+ // MPC custom code (end)
+
if (w == srcstride && w == dststride)
VDFastMemcpyPartial(dst, src, w*h);
// MPC custom code (begin)
|