libvips/libvips/include/vips/vector.h

184 lines
4.3 KiB
C

/* helper stuff for Orc
*
* 29/10/10
* - from im_dilate hackery
*/
/*
This file is part of VIPS.
VIPS is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
/*
These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
*/
#ifndef VIPS_VECTOR_H
#define VIPS_VECTOR_H
/* If we are building with -fcf-protection (run-time checking of
* indirect jumps) then Orc won't work. Make sure it's off.
*
* https://gcc.gnu.org/onlinedocs/gcc/\
* Instrumentation-Options.html#index-fcf-protection
* https://gitlab.freedesktop.org/gstreamer/orc/issues/17
*
* orc 0.4.30 and later work with cf-protection.
*/
#ifdef __CET__
#ifndef HAVE_ORC_CF_PROTECTION
#undef HAVE_ORC
#endif
#endif
#ifdef HAVE_ORC
#include <orc/orc.h>
#endif /*HAVE_ORC*/
#ifdef __cplusplus
extern "C" {
#endif /*__cplusplus*/
#define VIPS_VECTOR_SOURCE_MAX (10)
/* An Orc program.
*/
typedef struct {
/* Handy for debugging.
*/
const char *name;
char *unique_name;
/* How many resources we've used so far in this codegen.
*/
int n_temp;
int n_scanline;
int n_source;
int n_destination;
int n_constant;
int n_parameter;
int n_instruction;
/* The scanline sources, and for each variable, the associated line.
* "sl0" onwards.
*/
int sl[VIPS_VECTOR_SOURCE_MAX];
int line[VIPS_VECTOR_SOURCE_MAX];
/* Non-scanline sources, "s1" etc. s[0] is the var for "s1".
*/
int s[VIPS_VECTOR_SOURCE_MAX];
/* The destination var.
*/
int d1;
#ifdef HAVE_ORC
/* The code we have generated.
*/
OrcProgram *program;
#endif /*HAVE_ORC*/
/* Compiled successfully.
*/
gboolean compiled;
} VipsVector;
/* An executor.
*/
typedef struct {
#ifdef HAVE_ORC
OrcExecutor executor;
#endif /*HAVE_ORC*/
VipsVector *vector;
} VipsExecutor;
/* Set from the command-line.
*/
extern gboolean vips__vector_enabled;
VIPS_API
void vips_vector_init( void );
VIPS_API
gboolean vips_vector_isenabled( void );
VIPS_API
void vips_vector_set_enabled( gboolean enabled );
VIPS_API
void vips_vector_free( VipsVector *vector );
VIPS_API
VipsVector *vips_vector_new( const char *name, int dsize );
VIPS_API
void vips_vector_constant( VipsVector *vector,
char *name, int value, int size );
VIPS_API
void vips_vector_source_scanline( VipsVector *vector,
char *name, int line, int size );
VIPS_API
int vips_vector_source_name( VipsVector *vector, const char *name, int size );
VIPS_API
void vips_vector_temporary( VipsVector *vector, const char *name, int size );
VIPS_API
int vips_vector_parameter( VipsVector *vector, const char *name, int size );
VIPS_API
int vips_vector_destination( VipsVector *vector, const char *name, int size );
VIPS_API
void vips_vector_asm2( VipsVector *vector,
const char *op, const char *a, const char *b );
VIPS_API
void vips_vector_asm3( VipsVector *vector,
const char *op, const char *a, const char *b, const char *c );
VIPS_API
gboolean vips_vector_full( VipsVector *vector );
VIPS_API
gboolean vips_vector_compile( VipsVector *vector );
VIPS_API
void vips_vector_print( VipsVector *vector );
VIPS_API
void vips_executor_set_program( VipsExecutor *executor,
VipsVector *vector, int n );
VIPS_API
void vips_executor_set_scanline( VipsExecutor *executor,
VipsRegion *ir, int x, int y );
VIPS_API
void vips_executor_set_destination( VipsExecutor *executor, void *value );
VIPS_API
void vips_executor_set_parameter( VipsExecutor *executor, int var, int value );
VIPS_API
void vips_executor_set_array( VipsExecutor *executor, int var, void *value );
VIPS_API
void vips_executor_run( VipsExecutor *executor );
VIPS_API
void vips_vector_to_fixed_point( double *in, int *out, int n, int scale );
#ifdef __cplusplus
}
#endif /*__cplusplus*/
#endif /*VIPS_VECTOR_H*/