view src/video/Xext/extensions/xf86dga1str.h @ 2359:b70b96e615d2 gsoc2008_iphone

These files are the OpenGL ES render driver. You should be able to use them on any platform that supports OpenGL ES -- not just iPhone. The driver is based off the OpenGL render driver. There are a few differences between OpenGL and OpenGL ES that present difficulties for this driver: - OpenGL ES does NOT support many pixel formats (for example, no GL_BGR). Also, when using texture functions format and internalFormat must be the same -- this means 32 bit packed formats like SDL_PIXELFORMAT_BGR888 cannot be automatically converted to GL_RGB (which is 24bpp). - OpenGL ES doesn't have GL_PACK_ROW_LENGTH, which means data must be reformatted before uploading changes to dirty rects. This change has been added. - OpenGL ES doesn't support paletted textures, though there is an extension. I'm looking into this. Some other notable differences: - OpenGL ES has an extension called GL_OES_draw_texture which allows for quicker 2D sprite-type drawing. I use this in GL_RenderCopy when it is available. The iPhone supports the extension, but the iPhone Simulator does not (presently). - No glBegin() / glEnd() and no GL_QUADS! I'm using glDrawArrays with GL_TRIANGLE_STRIP instead!
author Holmes Futrell <hfutrell@umail.ucsb.edu>
date Thu, 17 Jul 2008 23:31:42 +0000
parents c121d94672cb
children
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/* $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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