mirror of
https://github.com/narzoul/DDrawCompat
synced 2024-12-30 08:55:36 +01:00
e8f987eb05
This change assigns a different DirectDraw repository object for each original DirectDraw object that requires temporary surfaces, ensuring that video memory surfaces are created on the appropriate device on a multi-GPU system.
73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
#include <set>
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#include "DDraw/DirectDrawSurface.h"
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#include "DDraw/Surfaces/Surface.h"
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#include "DDraw/Surfaces/SurfaceImpl.h"
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namespace
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{
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template <typename CompatMethod, CompatMethod compatMethod,
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typename OrigMethod, OrigMethod origMethod,
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typename TSurface, typename... Params>
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HRESULT STDMETHODCALLTYPE callImpl(TSurface* This, Params... params)
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{
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DDraw::Surface* surface = This ? DDraw::Surface::getSurface(*This) : nullptr;
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if (!surface)
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{
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return (CompatVtable<Vtable<TSurface>>::s_origVtable.*origMethod)(This, params...);
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}
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return (surface->getImpl<TSurface>()->*compatMethod)(This, params...);
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}
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}
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#define SET_COMPAT_METHOD(method) \
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vtable.method = &callImpl<decltype(&SurfaceImpl<TSurface>::method), &SurfaceImpl<TSurface>::method, \
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decltype(&Vtable<TSurface>::method), &Vtable<TSurface>::method>
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namespace DDraw
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{
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CompatPtr<IDirectDraw7> getDirectDraw(CompatRef<IDirectDrawSurface7> surface)
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{
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CompatPtr<IUnknown> dd;
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surface.get().lpVtbl->GetDDInterface(&surface, reinterpret_cast<void**>(&dd.getRef()));
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return dd;
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}
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template <typename TSurface>
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void DirectDrawSurface<TSurface>::setCompatVtable(Vtable<TSurface>& vtable)
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{
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SET_COMPAT_METHOD(Blt);
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SET_COMPAT_METHOD(BltFast);
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SET_COMPAT_METHOD(Flip);
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SET_COMPAT_METHOD(GetCaps);
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SET_COMPAT_METHOD(GetSurfaceDesc);
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SET_COMPAT_METHOD(IsLost);
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SET_COMPAT_METHOD(Lock);
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SET_COMPAT_METHOD(QueryInterface);
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SET_COMPAT_METHOD(ReleaseDC);
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SET_COMPAT_METHOD(Restore);
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SET_COMPAT_METHOD(SetClipper);
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SET_COMPAT_METHOD(SetPalette);
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SET_COMPAT_METHOD(Unlock);
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setCompatVtable2(vtable);
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}
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template <typename TSurface>
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void DirectDrawSurface<TSurface>::setCompatVtable2(Vtable<TSurface>& vtable)
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{
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SET_COMPAT_METHOD(GetDDInterface);
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}
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template <>
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void DirectDrawSurface<IDirectDrawSurface>::setCompatVtable2(Vtable<IDirectDrawSurface>&)
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{
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}
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template DirectDrawSurface<IDirectDrawSurface>;
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template DirectDrawSurface<IDirectDrawSurface2>;
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template DirectDrawSurface<IDirectDrawSurface3>;
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template DirectDrawSurface<IDirectDrawSurface4>;
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template DirectDrawSurface<IDirectDrawSurface7>;
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}
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