r128_screen.h

Mesa is an open-source implementation of the OpenGL specification - a system for rendering interacti

/* $XFree86: xc/lib/GL/mesa/src/drv/r128/r128_screen.h,v 1.7 2002/12/16 16:18:53 dawes Exp $ */
/**************************************************************************

Copyright 1999, 2000 ATI Technologies Inc. and Precision Insight, Inc.,
                                               Cedar Park, Texas.
All Rights Reserved.

Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
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the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice (including the next
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Software.

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/*
 * Authors:
 *   Gareth Hughes <[e-mail]>
 *   Kevin E. Martin <[e-mail]>
 *
 */

#ifndef __R128_SCREEN_H__
#define __R128_SCREEN_H__

#include "xmlconfig.h"

typedef struct {
   drm_handle_t handle;			/* Handle to the DRM region */
   drmSize size;			/* Size of the DRM region */
   unsigned char *map;			/* Mapping of the DRM region */
} r128RegionRec, *r128RegionPtr;

typedef struct {

   GLint chipset;
   GLint cpp;
   GLint IsPCI;				/* Current card is a PCI card */
   GLint AGPMode;
   unsigned int irq;			/* IRQ number (0 means none) */

   GLuint frontOffset;
   GLuint frontPitch;
   GLuint backOffset;
   GLuint backPitch;

   GLuint depthOffset;
   GLuint depthPitch;
   GLuint spanOffset;

    /* Shared texture data */
   GLint numTexHeaps;
   GLint texOffset[R128_NR_TEX_HEAPS];
   GLint texSize[R128_NR_TEX_HEAPS];
   GLint logTexGranularity[R128_NR_TEX_HEAPS];

   r128RegionRec mmio;
   r128RegionRec agpTextures;

   drmBufMapPtr buffers;

   __DRIscreenPrivate *driScreen;
   unsigned int sarea_priv_offset;

   /* Configuration cache with default values for all contexts */
   driOptionCache optionCache;

   const __DRIextension *extensions[4];

} r128ScreenRec, *r128ScreenPtr;


#endif /* __R128_SCREEN_H__ */