Halide  12.0.1
Halide compiler and libraries
device_interface.h
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1 #ifndef HALIDE_RUNTIME_DEVICE_INTERFACE_H
2 #define HALIDE_RUNTIME_DEVICE_INTERFACE_H
3 
4 #ifndef WEAK
5 #include "runtime_internal.h"
6 #endif
7 
8 extern "C" {
9 
11  // These next two methods are used to reference count the runtime code
12  // these function pointers point to. They should always be initialized
13  // to halide_use_jit_module and halide_release_jit_module and Halide's JIT
14  // arranges for this to reference count the container for the code. In AOT
15  // compilation, these are empty functions which do nothing.
16  void (*use_module)();
17  void (*release_module)();
19  int (*device_free)(void *user_context, struct halide_buffer_t *buf);
20  int (*device_sync)(void *user_context, struct halide_buffer_t *buf);
22  int (*copy_to_host)(void *user_context, struct halide_buffer_t *buf);
26  int (*buffer_copy)(void *user_context, struct halide_buffer_t *src,
27  const struct halide_device_interface_t *dst_device_interface, struct halide_buffer_t *dst);
28  int (*device_crop)(void *user_context,
29  const struct halide_buffer_t *src,
30  struct halide_buffer_t *dst);
31  int (*device_slice)(void *user_context,
32  const struct halide_buffer_t *src,
33  int slice_dim, int slice_pos,
34  struct halide_buffer_t *dst);
36  struct halide_buffer_t *buf);
37  int (*wrap_native)(void *user_context, struct halide_buffer_t *buf, uint64_t handle);
39 };
40 
46  const struct halide_device_interface_t *dst_device_interface,
47  struct halide_buffer_t *dst);
48 extern WEAK int halide_default_device_crop(void *user_context, const struct halide_buffer_t *src,
49  struct halide_buffer_t *dst);
50 extern WEAK int halide_default_device_slice(void *user_context, const struct halide_buffer_t *src,
51  int slice_dim, int slice_pos, struct halide_buffer_t *dst);
55 }
56 
57 #endif // HALIDE_RUNTIME_DEVICE_INTERFACE_H
WEAK int halide_default_device_and_host_malloc(void *user_context, struct halide_buffer_t *buf, const struct halide_device_interface_t *device_interface)
WEAK int halide_default_device_and_host_free(void *user_context, struct halide_buffer_t *buf, const struct halide_device_interface_t *device_interface)
WEAK int halide_default_device_wrap_native(void *user_context, struct halide_buffer_t *buf, uint64_t handle)
WEAK int halide_default_device_detach_native(void *user_context, struct halide_buffer_t *buf)
WEAK int halide_default_device_crop(void *user_context, const struct halide_buffer_t *src, struct halide_buffer_t *dst)
WEAK int halide_default_buffer_copy(void *user_context, struct halide_buffer_t *src, const struct halide_device_interface_t *dst_device_interface, struct halide_buffer_t *dst)
WEAK int halide_default_device_release_crop(void *user_context, struct halide_buffer_t *buf)
WEAK int halide_default_device_slice(void *user_context, const struct halide_buffer_t *src, int slice_dim, int slice_pos, struct halide_buffer_t *dst)
char * buf
Definition: printer.h:32
char * dst
Definition: printer.h:32
void * user_context
Definition: printer.h:33
unsigned __INT64_TYPE__ uint64_t
#define WEAK
The raw representation of an image passed around by generated Halide code.
const struct halide_device_interface_t * device_interface
The interface used to interpret the above handle.
int(* wrap_native)(void *user_context, struct halide_buffer_t *buf, uint64_t handle)
int(* device_slice)(void *user_context, const struct halide_buffer_t *src, int slice_dim, int slice_pos, struct halide_buffer_t *dst)
int(* device_free)(void *user_context, struct halide_buffer_t *buf)
int(* device_release_crop)(void *user_context, struct halide_buffer_t *buf)
int(* device_crop)(void *user_context, const struct halide_buffer_t *src, struct halide_buffer_t *dst)
int(* detach_native)(void *user_context, struct halide_buffer_t *buf)
int(* device_and_host_malloc)(void *user_context, struct halide_buffer_t *buf)
int(* buffer_copy)(void *user_context, struct halide_buffer_t *src, const struct halide_device_interface_t *dst_device_interface, struct halide_buffer_t *dst)
int(* copy_to_host)(void *user_context, struct halide_buffer_t *buf)
int(* device_sync)(void *user_context, struct halide_buffer_t *buf)
int(* copy_to_device)(void *user_context, struct halide_buffer_t *buf)
int(* device_release)(void *user_context)
int(* device_malloc)(void *user_context, struct halide_buffer_t *buf)
int(* device_and_host_free)(void *user_context, struct halide_buffer_t *buf)
Each GPU API provides a halide_device_interface_t struct pointing to the code that manages device all...