82 lines
2.0 KiB
OpenEdge ABL
82 lines
2.0 KiB
OpenEdge ABL
/******************************Module*Header*******************************\
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*
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* Module Name: mcdesc.h
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*
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* Defines the enhanced ExtEscape functionality used for MCD support.
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*
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* Copyright (c) Microsoft Corporation. All rights reserved.
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*
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\**************************************************************************/
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#ifndef __MCDESC_H__
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#define __MCDESC_H__
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// Escape through which all MCD functionality is accessed.
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#ifndef MCDFUNCS
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#define MCDFUNCS 3076
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#endif
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// Video memory surface description, for DDraw surface rendering.
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typedef struct _MCDESC_SURFACE
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{
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HANDLE hSurf;
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LONG lOffset;
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LONG lStride;
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RECTL rclPos;
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} MCDESC_SURFACE;
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// Data header for every escape.
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typedef struct _MCDESC_HEADER
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{
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ULONG flags;
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HANDLE hRC;
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HANDLE hSharedMem;
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VOID *pSharedMem;
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ULONG sharedMemSize;
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ULONG_PTR dwWindow;
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MCDESC_SURFACE msrfColor;
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MCDESC_SURFACE msrfDepth;
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ULONG cLockSurfaces;
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ULONG cExtraWndobj;
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} MCDESC_HEADER;
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// Data header used only on NT.
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typedef struct _MCDESC_HEADER_NTPRIVATE
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{
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struct _WNDOBJ *pwo;
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VOID *pBuffer;
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ULONG bufferSize;
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HANDLE *pLockSurfaces;
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HDC *pExtraWndobj;
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} MCDESC_HEADER_NTPRIVATE;
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// MCDESC_HEADER flags.
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#define MCDESC_FL_CREATE_CONTEXT 0x00000001
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#define MCDESC_FL_SURFACES 0x00000002
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#define MCDESC_FL_LOCK_SURFACES 0x00000004
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#define MCDESC_FL_EXTRA_WNDOBJ 0x00000008
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#define MCDESC_FL_DISPLAY_LOCK 0x00000010
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#define MCDESC_FL_BATCH 0x00000020
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// Used only for Win95.
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#define MCDESC_FL_SWAPBUFFER 0x00000040
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#define MCDESC_MAX_LOCK_SURFACES 12
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#define MCDESC_MAX_EXTRA_WNDOBJ 16
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// MCDSURFACE_HWND alias, used when creating contexts.
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#define MCDESC_SURFACE_HWND 0x00000001
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// Context creation information.
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typedef struct _MCDESC_CREATE_CONTEXT
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{
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ULONG flags;
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HWND hwnd;
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} MCDESC_CREATE_CONTEXT;
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#endif // __MCDESC_H__
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