mirror of
https://github.com/narzoul/DDrawCompat
synced 2024-12-30 08:55:36 +01:00
116 lines
3.0 KiB
C++
116 lines
3.0 KiB
C++
#include "Common/CompatRef.h"
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#include "Common/Log.h"
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#include "DDraw/ActivateAppHandler.h"
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#include "DDraw/DirectDraw.h"
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#include "DDraw/DirectDrawClipper.h"
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#include "DDraw/DirectDrawGammaControl.h"
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#include "DDraw/DirectDrawPalette.h"
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#include "DDraw/DirectDrawSurface.h"
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#include "DDraw/Hooks.h"
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#include "DDraw/RealPrimarySurface.h"
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#include "Win32/Registry.h"
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namespace
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{
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template <typename Interface>
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void hookVtable(const CompatPtr<Interface>& intf);
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void hookDirectDraw(CompatPtr<IDirectDraw7> dd)
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{
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hookVtable<IDirectDraw>(dd);
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hookVtable<IDirectDraw2>(dd);
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hookVtable<IDirectDraw4>(dd);
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hookVtable<IDirectDraw7>(dd);
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}
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void hookDirectDrawClipper(CompatRef<IDirectDraw7> dd)
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{
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CompatPtr<IDirectDrawClipper> clipper;
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HRESULT result = dd->CreateClipper(&dd, 0, &clipper.getRef(), nullptr);
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if (SUCCEEDED(result))
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{
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DDraw::DirectDrawClipper::hookVtable(clipper.get()->lpVtbl);
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}
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else
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{
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Compat::Log() << "ERROR: Failed to create a DirectDraw clipper for hooking: " << result;
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}
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}
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void hookDirectDrawPalette(CompatRef<IDirectDraw7> dd)
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{
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PALETTEENTRY paletteEntries[2] = {};
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CompatPtr<IDirectDrawPalette> palette;
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HRESULT result = dd->CreatePalette(&dd,
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DDPCAPS_1BIT, paletteEntries, &palette.getRef(), nullptr);
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if (SUCCEEDED(result))
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{
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DDraw::DirectDrawPalette::hookVtable(palette.get()->lpVtbl);
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}
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else
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{
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Compat::Log() << "ERROR: Failed to create a DirectDraw palette for hooking: " << result;
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}
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}
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void hookDirectDrawSurface(CompatRef<IDirectDraw7> dd)
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{
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DDSURFACEDESC2 desc = {};
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desc.dwSize = sizeof(desc);
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desc.dwFlags = DDSD_WIDTH | DDSD_HEIGHT | DDSD_CAPS;
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desc.dwWidth = 1;
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desc.dwHeight = 1;
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desc.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
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CompatPtr<IDirectDrawSurface7> surface;
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HRESULT result = dd->CreateSurface(&dd, &desc, &surface.getRef(), nullptr);
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if (SUCCEEDED(result))
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{
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DDraw::DirectDrawSurface<IDirectDrawSurface7>::s_origVtable = *surface.get()->lpVtbl;
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hookVtable<IDirectDrawSurface>(surface);
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hookVtable<IDirectDrawSurface2>(surface);
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hookVtable<IDirectDrawSurface3>(surface);
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hookVtable<IDirectDrawSurface4>(surface);
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hookVtable<IDirectDrawSurface7>(surface);
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hookVtable<IDirectDrawGammaControl>(surface);
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}
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else
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{
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Compat::Log() << "ERROR: Failed to create a DirectDraw surface for hooking: " << result;
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}
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}
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template <typename Interface>
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void hookVtable(const CompatPtr<Interface>& intf)
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{
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if (intf)
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{
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CompatVtable<Vtable<Interface>>::hookVtable(intf.get()->lpVtbl);
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}
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}
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}
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namespace DDraw
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{
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void installHooks(CompatPtr<IDirectDraw7> dd7)
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{
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RealPrimarySurface::init();
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ActivateAppHandler::installHooks();
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Win32::Registry::unsetValue(
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HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\DirectDraw", "EmulationOnly");
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Win32::Registry::unsetValue(
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HKEY_LOCAL_MACHINE, "SOFTWARE\\WOW6432Node\\Microsoft\\DirectDraw", "EmulationOnly");
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hookDirectDraw(dd7);
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hookDirectDrawClipper(*dd7);
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hookDirectDrawPalette(*dd7);
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hookDirectDrawSurface(*dd7);
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}
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void uninstallHooks()
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{
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RealPrimarySurface::removeUpdateThread();
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}
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}
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