pspvfpu.h

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/*
 * PSP Software Development Kit - http://www.pspdev.org
 * -----------------------------------------------------------------------
 * Licensed under the BSD license, see LICENSE in PSPSDK root for details.
 *
 * pspvfpu.h - Prototypes for the VFPU library
 *
 * Copyright (c) 2005 Jeremy Fitzhardinge <jeremy@goop.org>
 *
 * $Id: pspvfpu.h 1751 2006-01-26 01:42:38Z jsgf $
 */
#ifndef __PSPVFPU_H__
#define __PSPVFPU_H__


#ifdef __cplusplus
extern "C" {
#endif

struct pspvfpu_context;
typedef unsigned char vfpumatrixset_t;

#define VMAT0   (1<<0)
#define VMAT1   (1<<1)
#define VMAT2   (1<<2)
#define VMAT3   (1<<3)
#define VMAT4   (1<<4)
#define VMAT5   (1<<5)
#define VMAT6   (1<<6)
#define VMAT7   (1<<7)

#define VFPU_ALIGNMENT  (sizeof(float) * 4)     /* alignment required for VFPU matrix loads and stores */

struct pspvfpu_context *pspvfpu_initcontext(void);

void pspvfpu_deletecontext(struct pspvfpu_context *context);

void pspvfpu_use_matrices(struct pspvfpu_context *context, 
                          vfpumatrixset_t keepset, vfpumatrixset_t tempset);

#ifdef __cplusplus
}
#endif

#endif  /* __PSPVFPU_H__ */