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/* Copyright (c) 2001, Stanford University
* All rights reserved.
*
* See the file LICENSE.txt for information on redistributing this software.
*/
#ifndef CR_UNPACK_H
#define CR_UNPACK_H
#include "cr_compiler.h"
#include "cr_spu.h"
#include "cr_protocol.h"
#include "cr_mem.h"
#include "cr_opcodes.h"
#include <iprt/types.h>
#ifdef __cplusplus
extern "C" {
#endif
extern SPUDispatchTable cr_unpackDispatch;
/*extern DLLDATA(const unsigned char *) cr_unpackData;*/
extern DECLEXPORT(const unsigned char *) cr_unpackData;
extern DECLEXPORT(const unsigned char *) cr_unpackDataEnd;
DECLEXPORT(void) crUnpackSetReturnPointer( CRNetworkPointer *ptr );
DECLEXPORT(void) crUnpackSetWritebackPointer( CRNetworkPointer *ptr );
DECLEXPORT(void) crUnpack( const void *data, const void *data_end, const void *opcodes, unsigned int num_opcodes, SPUDispatchTable *table );
DECLEXPORT(void) crUnpackPush(void);
DECLEXPORT(void) crUnpackPop(void);
typedef enum
{
CR_UNPACK_BUFFER_TYPE_GENERIC = 0,
CR_UNPACK_BUFFER_TYPE_CMDBLOCK_BEGIN,
CR_UNPACK_BUFFER_TYPE_CMDBLOCK_FLUSH,
CR_UNPACK_BUFFER_TYPE_CMDBLOCK_END
} CR_UNPACK_BUFFER_TYPE;
DECLEXPORT(CR_UNPACK_BUFFER_TYPE) crUnpackGetBufferType(const void *opcodes, unsigned int num_opcodes);
extern CRNetworkPointer * return_ptr;
extern CRNetworkPointer * writeback_ptr;
#if defined(LINUX) || defined(WINDOWS)
#define CR_UNALIGNED_ACCESS_OKAY
#else
#undef CR_UNALIGNED_ACCESS_OKAY
#endif
DECLEXPORT(double) crReadUnalignedDouble( const void *buffer );
#define READ_DATA( offset, type ) \
*( (const type *) (cr_unpackData + (offset)))
#ifdef CR_UNALIGNED_ACCESS_OKAY
#define READ_DOUBLE( offset ) \
READ_DATA( offset, GLdouble )
#else
#define READ_DOUBLE( offset ) \
crReadUnalignedDouble( cr_unpackData + (offset) )
#endif
#define READ_NETWORK_POINTER( offset ) \
( cr_unpackData + (offset) )
/* XXX make this const */
#define DATA_POINTER( offset, type ) \
( (type *) (cr_unpackData + (offset)) )
#define DATA_POINTER_CHECK( offset ) \
( (cr_unpackDataEnd >= cr_unpackData) && (size_t)(cr_unpackDataEnd - cr_unpackData) >= (size_t)(offset) )
#define INCR_DATA_PTR( delta ) \
cr_unpackData += (delta)
#define INCR_DATA_PTR_NO_ARGS() \
INCR_DATA_PTR( 4 )
#define INCR_VAR_PTR() \
INCR_DATA_PTR( *((int *) cr_unpackData ) )
#define SET_RETURN_PTR( offset ) do { \
CRDBGPTR_CHECKZ(return_ptr); \
crMemcpy( return_ptr, cr_unpackData + (offset), sizeof( *return_ptr ) ); \
} while (0);
#define SET_WRITEBACK_PTR( offset ) do { \
CRDBGPTR_CHECKZ(writeback_ptr); \
crMemcpy( writeback_ptr, cr_unpackData + (offset), sizeof( *writeback_ptr ) ); \
} while (0);
#ifdef __cplusplus
}
#endif
#endif /* CR_UNPACK_H */
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