/* $XFree86: xc/lib/GL/mesa/src/drv/r128/r128_texobj.h,v 1.2 2000/09/27 03:39:03 tsi Exp $ */
/**************************************************************************

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

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copy of this software and associated documentation files (the "Software"),
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The above copyright notice and this permission notice (including the next
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/*
 * Authors:
 *   Kevin E. Martin <kevin@precisioninsight.com>
 *   Gareth Hughes <gareth@precisioninsight.com>
 *
 */

#ifndef _R128_TEXOBJ_H_
#define _R128_TEXOBJ_H_

#include "mm.h"

#define R128_TEX_MAXLEVELS 11

/* Setup registers for each texture */
typedef struct {
    CARD32  tex_cntl;
    CARD32  size_pitch;
    CARD32  border_color;
} r128TextureRegs;

/* Individual texture image information */
typedef struct {
    int offset;		/* Offset into locally shared texture space (i.e.,
			   relative to bufAddr (below) */
    int width;		/* Width of texture image */
    int height;		/* Height of texture image */
} r128TexImage;

typedef struct r128_tex_obj r128TexObj, *r128TexObjPtr;

/* Texture object in locally shared texture space */
struct r128_tex_obj {
    r128TexObjPtr    next, prev;

    struct gl_texture_object *tObj;	/* Mesa texture object */

    PMemBlock        memBlock;		/* Memory block containing texture */
    CARD32           bufAddr;		/* Offset to start of locally
					   shared texture block */

    CARD32           dirty_images;	/* Flags for whether or not
					   images need to be uploaded to
					   local or AGP texture space */
    int              bound;		/* Texture unit currently bound to */
    int              heap;              /* Texture heap currently stored in */
    r128TexImage     image[R128_TEX_MAXLEVELS]; /* Image data for all
						   mipmap levels */
    int              totalSize;		/* Total size of the texture
					   including all mipmap levels */
    int              internFormat;	/* Internal GL format used to store
					   texture on card */
    int              textureFormat;	/* Actual hardware format */
    int              texelBytes;	/* Number of bytes per texel */

    r128TextureRegs  regs;		/* Setup regs for texture */
};

#endif /* _R128_TEXOBJ_H_ */