2024-04-16 03:43:29 +00:00
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/*
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* $Logfile: /DescentIII/Main/ddgr_win32/ddgrWin32DX.h $
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* $Revision: 2 $
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* $Date: 9/12/97 4:13p $
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* $Author: Samir $
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*
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* DirectX Subsystem Implementation of ddgr library
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*
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* $Log: /DescentIII/Main/ddgr_win32/ddgrWin32DX.h $
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2024-04-16 18:56:40 +00:00
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*
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2024-04-16 03:43:29 +00:00
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* 2 9/12/97 4:13p Samir
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* Added some private data access functions and more DirectX
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* functionality.
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*
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* $NoKeywords: $
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*/
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/* Functions
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2024-04-16 18:56:40 +00:00
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*/
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2024-04-16 03:43:29 +00:00
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#ifndef DDGRWIN32DX_H
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#define DDGRWIN32DX_H
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include "ddgr.h"
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#include "ddraw.h"
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class oeApplication;
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/* Data structures
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2024-04-16 18:56:40 +00:00
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*/
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typedef struct tDXSurface {
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LPDIRECTDRAWSURFACE lpdds;
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LPDIRECTDRAWSURFACE lpddsback;
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bool backbuffer;
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} tDXSurface;
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#define DX_MAX_DEVMODES 32
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typedef struct tDDGRDXInternalData // Internal data for DX subsystem
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{
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bool init; // is library initialized
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LPDIRECTDRAW lpDD; // DirectDraw Object for video manipulation
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HWND hPrimaryWnd; // window owning display
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int vidrefs; // Number of surface references to hPrimaryWnd.
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tDXSurface vidsurf;
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DDSURFACEDESC vidmodes[DX_MAX_DEVMODES]; // Device modes for GDI subsystem (not GDIX)
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} tDDGRDXInternalData;
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/* Externs */
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extern tDDGRDXInternalData DDGR_DX_lib_data;
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/* Macros */
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#define DX_DATA(_c) DDGR_DX_lib_data._c
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// Initializes DX subsystem
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bool ddgr_dx_Init(oeApplication *app);
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// Closes DX subsystem
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void ddgr_dx_Close();
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// Initializes the display for use with the DX subsystem.
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bool ddgr_dx_surf_InitVideo(ddgr_surface *sf);
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// Deinitializes the video surface
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void ddgr_dx_surf_CloseVideo(ddgr_surface *sf);
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// flips the buffers in a surface. really only useful for video screens
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bool ddgr_dx_surf_FlipVideo(ddgr_surface *sf);
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/* input:
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sf->name is optional.
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sf->w, sf->h, sf->bpp are mandatory
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sf->type and sf->flags are mandatory.
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output:
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sf->obj = surface object.
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sf->locks = 0
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*/
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bool ddgr_dx_surf_Create(ddgr_surface *sf);
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void ddgr_dx_surf_Destroy(ddgr_surface *sf);
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/* retrieves a pointer to surface memory. allowed to lock one surface multiple times.
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ptr is the returned pointer to surface memory. used to unlock surface also
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rowsize is the size in bytes of one row of memory.
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*/
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bool ddgr_dx_surf_Lock(ddgr_surface *sf, void **ptr, int *rowsize);
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bool ddgr_dx_surf_Unlock(ddgr_surface *sf, void *ptr);
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// attaches an OS handle to a surface
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void ddgr_dx_surf_AttachHandle(ddgr_surface *sf, unsigned handle);
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// The only graphic primatives
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// clear
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// blt.
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void ddgr_dx_surf_Clear(ddgr_surface *dsf, ddgr_color col, int l, int t, int w, int h);
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bool ddgr_dx_surf_Blt(ddgr_surface *dsf, int dx, int dy, ddgr_surface *ssf, int sx, int sy, int sw, int sh);
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#endif
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