mirror of
https://github.com/narzoul/DDrawCompat
synced 2024-12-30 08:55:36 +01:00
99 lines
3.2 KiB
C++
99 lines
3.2 KiB
C++
#include <Common/CompatRef.h>
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#include <Common/Log.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 <DDraw/ScopedThreadLock.h>
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#include <Win32/Registry.h>
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namespace
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{
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void hookDirectDraw(CompatPtr<IDirectDraw7> dd)
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{
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DDraw::DirectDraw::hookVtable(*CompatPtr<IDirectDraw>(dd).get()->lpVtbl);
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DDraw::DirectDraw::hookVtable(*CompatPtr<IDirectDraw2>(dd).get()->lpVtbl);
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DDraw::DirectDraw::hookVtable(*CompatPtr<IDirectDraw4>(dd).get()->lpVtbl);
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DDraw::DirectDraw::hookVtable(*CompatPtr<IDirectDraw7>(dd).get()->lpVtbl);
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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, 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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CompatVtable<IDirectDrawSurface7Vtbl>::s_origVtable = *surface.get()->lpVtbl;
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DDraw::DirectDrawSurface::hookVtable(*CompatPtr<IDirectDrawSurface>(surface).get()->lpVtbl);
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DDraw::DirectDrawSurface::hookVtable(*CompatPtr<IDirectDrawSurface2>(surface).get()->lpVtbl);
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DDraw::DirectDrawSurface::hookVtable(*CompatPtr<IDirectDrawSurface3>(surface).get()->lpVtbl);
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DDraw::DirectDrawSurface::hookVtable(*CompatPtr<IDirectDrawSurface4>(surface).get()->lpVtbl);
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DDraw::DirectDrawSurface::hookVtable(*CompatPtr<IDirectDrawSurface7>(surface).get()->lpVtbl);
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CompatPtr<IDirectDrawGammaControl> gammaControl(surface);
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DDraw::DirectDrawGammaControl::hookVtable(*gammaControl.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 surface for hooking: " << result;
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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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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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}
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