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view src/video/Xext/extensions/xf86dga1.h @ 2866:e532417a6977

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Fixed SDL 1.2 compatibility problem. The API specifies that SDL_OpenAudio() will fill out the 'desired' audio spec with the correct samples and size set by the driver. This value is important since it may be used by applications that size audio buffers, etc. However, we want to allow advanced applications to call SDL_OpenAudioDevice() which gets passed a const 'desired' parameter, and have the correct data filled into the 'obtained' parameter, possibly allowing or not allowing format changes. So... 'obtained' becomes the audio format the user callback is expected to use, and we add flags to allow the application to specify which format changes are allowed. Note: We really need to add a way to query the 'obtained' audio spec.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 13 Dec 2008 06:36:47 +0000
parents c121d94672cb
children
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/* $XFree86: xc/include/extensions/xf86dga1.h,v 1.2 1999/04/17 07:05:41 dawes Exp $ */
/*

Copyright (c) 1995  Jon Tombs
Copyright (c) 1995  XFree86 Inc

*/

/************************************************************************

   THIS IS THE OLD DGA API AND IS OBSOLETE.  PLEASE DO NOT USE IT ANYMORE

************************************************************************/

#ifndef _XF86DGA1_H_
#define _XF86DGA1_H_

#include <X11/Xfuncproto.h>
#include "SDL_name.h"

#define X_XF86DGAQueryVersion		0
#define X_XF86DGAGetVideoLL		1
#define X_XF86DGADirectVideo		2
#define X_XF86DGAGetViewPortSize	3
#define X_XF86DGASetViewPort		4
#define X_XF86DGAGetVidPage		5
#define X_XF86DGASetVidPage		6
#define X_XF86DGAInstallColormap	7
#define X_XF86DGAQueryDirectVideo	8
#define X_XF86DGAViewPortChanged	9

#define XF86DGADirectPresent		0x0001
#define XF86DGADirectGraphics		0x0002
#define XF86DGADirectMouse		0x0004
#define XF86DGADirectKeyb		0x0008
#define XF86DGAHasColormap		0x0100
#define XF86DGADirectColormap		0x0200




#ifndef _XF86DGA_SERVER_

_XFUNCPROTOBEGIN Bool SDL_NAME(XF86DGAQueryVersion) (
#if NeedFunctionPrototypes
                                                        Display * /* dpy */ ,
                                                        int *
                                                        /* majorVersion */ ,
                                                        int *   /* minorVersion */
#endif
    );

Bool SDL_NAME(XF86DGAQueryExtension) (
#if NeedFunctionPrototypes
                                         Display * /* dpy */ ,
                                         int * /* event_base */ ,
                                         int *  /* error_base */
#endif
    );

Status SDL_NAME(XF86DGAGetVideoLL) (
#if NeedFunctionPrototypes
                                       Display * /* dpy */ ,
                                       int /* screen */ ,
                                       int * /* base addr */ ,
                                       int * /* width */ ,
                                       int * /* bank_size */ ,
                                       int *    /* ram_size */
#endif
    );

Status SDL_NAME(XF86DGAGetVideo) (
#if NeedFunctionPrototypes
                                     Display * /* dpy */ ,
                                     int /* screen */ ,
                                     char ** /* base addr */ ,
                                     int * /* width */ ,
                                     int * /* bank_size */ ,
                                     int *      /* ram_size */
#endif
    );

Status SDL_NAME(XF86DGADirectVideo) (
#if NeedFunctionPrototypes
                                        Display * /* dpy */ ,
                                        int /* screen */ ,
                                        int     /* enable */
#endif
    );

Status SDL_NAME(XF86DGADirectVideoLL) (
#if NeedFunctionPrototypes
                                          Display * /* dpy */ ,
                                          int /* screen */ ,
                                          int   /* enable */
#endif
    );

Status SDL_NAME(XF86DGAGetViewPortSize) (
#if NeedFunctionPrototypes
                                            Display * /* dpy */ ,
                                            int /* screen */ ,
                                            int * /* width */ ,
                                            int *       /* height */
#endif
    );

Status SDL_NAME(XF86DGASetViewPort) (
#if NeedFunctionPrototypes
                                        Display * /* dpy */ ,
                                        int /* screen */ ,
                                        int x /* X */ ,
                                        int y   /* Y */
#endif
    );

Status SDL_NAME(XF86DGAGetVidPage) (
#if NeedFunctionPrototypes
                                       Display * /* dpy */ ,
                                       int /* screen */ ,
                                       int *    /* vid page */
#endif
    );

Status SDL_NAME(XF86DGASetVidPage) (
#if NeedFunctionPrototypes
                                       Display * /* dpy */ ,
                                       int /* screen */ ,
                                       int      /* vid page */
#endif
    );

Status SDL_NAME(XF86DGAInstallColormap) (
#if NeedFunctionPrototypes
                                            Display * /* dpy */ ,
                                            int /* screen */ ,
                                            Colormap    /*Colormap */
#endif
    );

int SDL_NAME(XF86DGAForkApp) (
#if NeedFunctionPrototypes
                                 int screen
#endif
    );

Status SDL_NAME(XF86DGAQueryDirectVideo) (
#if NeedFunctionPrototypes
                                             Display * /* dpy */ ,
                                             int /* screen */ ,
                                             int *      /* flags */
#endif
    );

Bool SDL_NAME(XF86DGAViewPortChanged) (
#if NeedFunctionPrototypes
                                          Display * /* dpy */ ,
                                          int /* screen */ ,
                                          int   /* n */
#endif
    );


_XFUNCPROTOEND
#endif /* _XF86DGA_SERVER_ */
#endif /* _XF86DGA1_H_ */
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