svga3d_caps.h revision 332aaa1da374e694e37fdfe0a00bbe040e670453
/**********************************************************
* Copyright 2007-2009 VMware, Inc. All rights reserved.
*
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* obtaining a copy of this software and associated documentation
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/*
* svga3d_caps.h --
*
* Definitions for SVGA3D hardware capabilities. Capabilities
* are used to query for optional rendering features during
* driver initialization. The capability data is stored as very
* area at the beginning of BAR2.
*
* Note that these definitions are only for 3D capabilities.
* The SVGA device also has "device capabilities" and "FIFO
* capabilities", which are non-3D-specific and are stored as
*/
#ifndef _SVGA3D_CAPS_H_
#define _SVGA3D_CAPS_H_
#define SVGA_FIFO_3D_CAPS_SIZE (SVGA_FIFO_3D_CAPS_LAST - \
SVGA_FIFO_3D_CAPS + 1)
/*
* SVGA3dCapsRecordType
*
* Record types that can be found in the caps block.
* Related record types are grouped together numerically so that
* SVGA3dCaps_FindRecord() can be applied on a range of record
* types.
*/
typedef enum {
SVGA3DCAPS_RECORD_DEVCAPS_MIN = 0x100,
SVGA3DCAPS_RECORD_DEVCAPS = 0x100,
SVGA3DCAPS_RECORD_DEVCAPS_MAX = 0x1ff
/*
* SVGA3dCapsRecordHeader
*
* Header field leading each caps block record. Contains the offset (in
* register words, NOT bytes) to the next caps block record (or the end
* of caps block records which will be a zero word) and the record type
* as defined above.
*/
typedef
struct SVGA3dCapsRecordHeader {
}
/*
* SVGA3dCapsRecord
*
* Caps block record; "data" is a placeholder for the actual data structure
* contained within the record; for example a record containing a FOOBAR
* structure would be of size "sizeof(SVGA3dCapsRecordHeader) +
* sizeof(FOOBAR)".
*/
typedef
struct SVGA3dCapsRecord {
}
/*
*----------------------------------------------------------------------
*
* SVGA3dCaps_FindRecord
*
* Finds the record with the highest-valued type within the given range
* in the caps block.
*
* Result: pointer to found record, or NULL if not found.
*
*----------------------------------------------------------------------
*/
#if 0
static INLINE SVGA3dCapsRecord *
{
/*
* Search linearly through the caps block records for the specified type.
*/
}
}
return found;
}
#endif
#endif // _SVGA3D_CAPS_H_