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view src/video/Xext/extensions/xf86dga1str.h @ 3473:7bdc10624cba

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This is terrible, but the OpenGL standard says that lines are half open, which means that one endpoint is not covered so adjoining lines don't overlap. It also doesn't define which end is open, and indeed Mac OS X and Linux differ. Mac OS X seems to leave the second endpoint open, but Linux uses the right-most endpoint for x major lines and the bottom-most endpoint for y major lines.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 21 Nov 2009 07:14:21 +0000
parents c121d94672cb
children
line wrap: on
line source

/* $XFree86: xc/include/extensions/xf86dga1str.h,v 1.2 1999/05/03 12:15:37 dawes Exp $ */
/*

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

*/

#ifndef _XF86DGASTR1_H_
#define _XF86DGASTR1_H_

typedef struct _XF86DGAQueryVersion
{
    CARD8 reqType;              /* always DGAReqCode */
    CARD8 dgaReqType;           /* always X_DGAQueryVersion */
    CARD16 length B16;
} xXF86DGAQueryVersionReq;
#define sz_xXF86DGAQueryVersionReq	4

typedef struct
{
    BYTE type;                  /* X_Reply */
    BOOL pad1;
    CARD16 sequenceNumber B16;
    CARD32 length B32;
    CARD16 majorVersion B16;    /* major version of DGA protocol */
    CARD16 minorVersion B16;    /* minor version of DGA protocol */
    CARD32 pad2 B32;
    CARD32 pad3 B32;
    CARD32 pad4 B32;
    CARD32 pad5 B32;
    CARD32 pad6 B32;
} xXF86DGAQueryVersionReply;
#define sz_xXF86DGAQueryVersionReply	32

typedef struct _XF86DGAGetVideoLL
{
    CARD8 reqType;              /* always DGAReqCode */
    CARD8 dgaReqType;           /* always X_XF86DGAGetVideoLL */
    CARD16 length B16;
    CARD16 screen B16;
    CARD16 pad B16;
} xXF86DGAGetVideoLLReq;
#define sz_xXF86DGAGetVideoLLReq	8

typedef struct _XF86DGAInstallColormap
{
    CARD8 reqType;
    CARD8 dgaReqType;
    CARD16 length B16;
    CARD16 screen B16;
    CARD16 pad2;
    CARD32 id B32;              /* colormap. */
} xXF86DGAInstallColormapReq;
#define sz_xXF86DGAInstallColormapReq        12


typedef struct
{
    BYTE type;
    BOOL pad1;
    CARD16 sequenceNumber B16;
    CARD32 length B32;
    CARD32 offset B32;
    CARD32 width B32;
    CARD32 bank_size B32;
    CARD32 ram_size B32;
    CARD32 pad4 B32;
    CARD32 pad5 B32;
} xXF86DGAGetVideoLLReply;
#define sz_xXF86DGAGetVideoLLReply	32

typedef struct _XF86DGADirectVideo
{
    CARD8 reqType;              /* always DGAReqCode */
    CARD8 dgaReqType;           /* always X_XF86DGADirectVideo */
    CARD16 length B16;
    CARD16 screen B16;
    CARD16 enable B16;
} xXF86DGADirectVideoReq;
#define sz_xXF86DGADirectVideoReq	8


typedef struct _XF86DGAGetViewPortSize
{
    CARD8 reqType;              /* always DGAReqCode */
    CARD8 dgaReqType;           /* always X_XF86DGAGetViewPort */
    CARD16 length B16;
    CARD16 screen B16;
    CARD16 pad B16;
} xXF86DGAGetViewPortSizeReq;
#define sz_xXF86DGAGetViewPortSizeReq	8

typedef struct
{
    BYTE type;
    BOOL pad1;
    CARD16 sequenceNumber B16;
    CARD32 length B32;
    CARD32 width B32;
    CARD32 height B32;
    CARD32 pad2 B32;
    CARD32 pad3 B32;
    CARD32 pad4 B32;
    CARD32 pad5 B32;
} xXF86DGAGetViewPortSizeReply;
#define sz_xXF86DGAGetViewPortSizeReply	32

typedef struct _XF86DGASetViewPort
{
    CARD8 reqType;              /* always DGAReqCode */
    CARD8 dgaReqType;           /* always X_XF86DGASetViewPort */
    CARD16 length B16;
    CARD16 screen B16;
    CARD16 pad B16;
    CARD32 x B32;
    CARD32 y B32;
} xXF86DGASetViewPortReq;
#define sz_xXF86DGASetViewPortReq	16

typedef struct _XF86DGAGetVidPage
{
    CARD8 reqType;              /* always DGAReqCode */
    CARD8 dgaReqType;           /* always X_XF86DGAGetVidPage */
    CARD16 length B16;
    CARD16 screen B16;
    CARD16 pad B16;
} xXF86DGAGetVidPageReq;
#define sz_xXF86DGAGetVidPageReq	8

typedef struct
{
    BYTE type;
    BOOL pad1;
    CARD16 sequenceNumber B16;
    CARD32 length B32;
    CARD32 vpage B32;
    CARD32 pad B32;
    CARD32 pad2 B32;
    CARD32 pad3 B32;
    CARD32 pad4 B32;
    CARD32 pad5 B32;
} xXF86DGAGetVidPageReply;
#define sz_xXF86DGAGetVidPageReply	32


typedef struct _XF86DGASetVidPage
{
    CARD8 reqType;              /* always DGAReqCode */
    CARD8 dgaReqType;           /* always X_XF86DGASetVidPage */
    CARD16 length B16;
    CARD16 screen B16;
    CARD16 vpage B16;
} xXF86DGASetVidPageReq;
#define sz_xXF86DGASetVidPageReq	8


typedef struct _XF86DGAQueryDirectVideo
{
    CARD8 reqType;              /* always DGAReqCode */
    CARD8 dgaReqType;           /* always X_DGAQueryVersion */
    CARD16 length B16;
    CARD16 screen B16;
    CARD16 pad B16;
} xXF86DGAQueryDirectVideoReq;
#define sz_xXF86DGAQueryDirectVideoReq	8

typedef struct
{
    BYTE type;
    BOOL pad1;
    CARD16 sequenceNumber B16;
    CARD32 length B32;
    CARD32 flags B32;
    CARD32 pad B32;
    CARD32 pad2 B32;
    CARD32 pad3 B32;
    CARD32 pad4 B32;
    CARD32 pad5 B32;
} xXF86DGAQueryDirectVideoReply;
#define sz_xXF86DGAQueryDirectVideoReply 32


typedef struct _XF86DGAViewPortChanged
{
    CARD8 reqType;              /* always DGAReqCode */
    CARD8 dgaReqType;           /* always X_DGAQueryVersion */
    CARD16 length B16;
    CARD16 screen B16;
    CARD16 n B16;
} xXF86DGAViewPortChangedReq;
#define sz_xXF86DGAViewPortChangedReq	8

typedef struct
{
    BYTE type;
    BOOL pad1;
    CARD16 sequenceNumber B16;
    CARD32 length B32;
    CARD32 result B32;
    CARD32 pad B32;
    CARD32 pad2 B32;
    CARD32 pad3 B32;
    CARD32 pad4 B32;
    CARD32 pad5 B32;
} xXF86DGAViewPortChangedReply;
#define sz_xXF86DGAViewPortChangedReply 32

#endif /* _XF86DGASTR1_H_ */
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