39 lines
934 B
C
39 lines
934 B
C
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/******************************Module*Header*******************************\
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* Module Name: glscreen.h
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*
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* OpenGL direct screen access support
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*
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* Copyright (c) 1994 Microsoft Corporation
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*
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\**************************************************************************/
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#ifndef _GLSCREEN_H_
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#define _GLSCREEN_H_
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#include <ddraw.h>
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//
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// Structure that contains all the info we need to access the framebuffer
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//
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typedef struct _SCREENINFO_ {
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LPDIRECTDRAW pdd;
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GLDDSURF gdds;
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} SCREENINFO;
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//
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// Global pointer to SCREENINFO structure that is non-NULL if and only if
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// direct access to the framebuffer is available.
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//
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extern SCREENINFO *gpScreenInfo;
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//
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// Direct access macros:
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//
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// GLDIRECTSCREEN TRUE if direct access is enabled
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// GLSCREENINFO Pointer to global SCREENINFO.
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//
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#define GLDIRECTSCREEN ( gpScreenInfo != NULL )
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#define GLSCREENINFO ( gpScreenInfo )
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#endif
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