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https://github.com/isledecomp/isle-portable.git
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46 lines
1.8 KiB
C++
46 lines
1.8 KiB
C++
#pragma once
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#include <SDL3/SDL.h>
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#include <ddsurface_impl.h>
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#include <miniwin/ddraw.h>
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struct FrameBufferImpl : public IDirectDrawSurface3 {
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FrameBufferImpl(DWORD virtualWidth, DWORD virtualHeight);
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~FrameBufferImpl() override;
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// IUnknown interface
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HRESULT QueryInterface(const GUID& riid, void** ppvObject) override;
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// IDirectDrawSurface interface
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HRESULT AddAttachedSurface(IDirectDrawSurface* lpDDSAttachedSurface) override;
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HRESULT Blt(
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LPRECT lpDestRect,
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IDirectDrawSurface* lpDDSrcSurface,
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LPRECT lpSrcRect,
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DDBltFlags dwFlags,
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LPDDBLTFX lpDDBltFx
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) override;
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HRESULT BltFast(DWORD dwX, DWORD dwY, IDirectDrawSurface* lpDDSrcSurface, LPRECT lpSrcRect, DDBltFastFlags dwTrans)
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override;
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HRESULT Flip(IDirectDrawSurface* lpDDSurfaceTargetOverride, DDFlipFlags dwFlags) override;
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HRESULT GetAttachedSurface(LPDDSCAPS lpDDSCaps, IDirectDrawSurface** lplpDDAttachedSurface) override;
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HRESULT GetDC(HDC* lphDC) override;
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HRESULT GetPalette(LPDIRECTDRAWPALETTE* lplpDDPalette) override;
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HRESULT GetPixelFormat(LPDDPIXELFORMAT lpDDPixelFormat) override;
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HRESULT GetSurfaceDesc(DDSURFACEDESC* lpDDSurfaceDesc) override;
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HRESULT IsLost() override { return DD_OK; }
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HRESULT Lock(LPRECT lpDestRect, DDSURFACEDESC* lpDDSurfaceDesc, DDLockFlags dwFlags, HANDLE hEvent) override;
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HRESULT ReleaseDC(HDC hDC) override;
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HRESULT Restore() override;
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HRESULT SetClipper(IDirectDrawClipper* lpDDClipper) override { return DD_OK; }
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HRESULT SetColorKey(DDColorKeyFlags dwFlags, LPDDCOLORKEY lpDDColorKey) override;
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HRESULT SetPalette(LPDIRECTDRAWPALETTE lpDDPalette) override;
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HRESULT Unlock(LPVOID lpSurfaceData) override;
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private:
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uint32_t m_virtualWidth;
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uint32_t m_virtualHeight;
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bool m_readOnlyLock;
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DirectDrawSurfaceImpl* m_transferBuffer;
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IDirectDrawPalette* m_palette = nullptr;
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};
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