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device_interface.h
Go to the documentation of this file.
#ifndef HALIDE_RUNTIME_DEVICE_INTERFACE_H
#define HALIDE_RUNTIME_DEVICE_INTERFACE_H
#include "HalideRuntime.h"
extern "C" {
struct halide_device_interface_impl_t {
// These next two methods are used to reference count the runtime code
// these function pointers point to. They should always be initialized
// to halide_use_jit_module and halide_release_jit_module and Halide's JIT
// arranges for this to reference count the container for the code. In AOT
// compilation, these are empty functions which do nothing.
void (*use_module)();
void (*release_module)();
int (*device_malloc)(void *user_context, struct halide_buffer_t *buf);
int (*device_free)(void *user_context, struct halide_buffer_t *buf);
int (*device_sync)(void *user_context, struct halide_buffer_t *buf);
int (*device_release)(void *user_context);
int (*copy_to_host)(void *user_context, struct halide_buffer_t *buf);
int (*copy_to_device)(void *user_context, struct halide_buffer_t *buf);
int (*device_and_host_malloc)(void *user_context, struct halide_buffer_t *buf);
int (*device_and_host_free)(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 (*device_crop)(void *user_context,
const struct halide_buffer_t *src,
struct halide_buffer_t *dst);
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_release_crop)(void *user_context,
struct halide_buffer_t *buf);
int (*wrap_native)(void *user_context, struct halide_buffer_t *buf, uint64_t handle);
int (*detach_native)(void *user_context, struct halide_buffer_t *buf);
};
extern WEAK int halide_default_device_and_host_malloc(void *user_context, struct halide_buffer_t *buf,
const struct halide_device_interface_t *device_interface);
extern WEAK int halide_default_device_and_host_free(void *user_context, struct halide_buffer_t *buf,
const struct halide_device_interface_t *device_interface);
extern 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);
extern WEAK int halide_default_device_crop(void *user_context, const struct halide_buffer_t *src,
struct halide_buffer_t *dst);
extern 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);
extern WEAK int halide_default_device_release_crop(void *user_context, struct halide_buffer_t *buf);
extern WEAK int halide_default_device_wrap_native(void *user_context, struct halide_buffer_t *buf, uint64_t handle);
extern WEAK int halide_default_device_detach_native(void *user_context, struct halide_buffer_t *buf);
}
#endif // HALIDE_RUNTIME_DEVICE_INTERFACE_H
HalideRuntime.h
This file declares the routines used by Halide internally in its runtime.
halide_default_device_and_host_malloc
WEAK int halide_default_device_and_host_malloc(void *user_context, struct halide_buffer_t *buf, const struct halide_device_interface_t *device_interface)
halide_default_device_and_host_free
WEAK int halide_default_device_and_host_free(void *user_context, struct halide_buffer_t *buf, const struct halide_device_interface_t *device_interface)
halide_default_device_wrap_native
WEAK int halide_default_device_wrap_native(void *user_context, struct halide_buffer_t *buf, uint64_t handle)
halide_default_device_detach_native
WEAK int halide_default_device_detach_native(void *user_context, struct halide_buffer_t *buf)
halide_default_device_crop
WEAK int halide_default_device_crop(void *user_context, const struct halide_buffer_t *src, struct halide_buffer_t *dst)
halide_default_buffer_copy
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)
halide_default_device_release_crop
WEAK int halide_default_device_release_crop(void *user_context, struct halide_buffer_t *buf)
halide_default_device_slice
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)
uint64_t
unsigned __INT64_TYPE__ uint64_t
Definition runtime_internal.h:23
WEAK
#define WEAK
Definition runtime_internal.h:52
halide_buffer_t
The raw representation of an image passed around by generated Halide code.
Definition HalideRuntime.h:1569
halide_buffer_t::device_interface
const struct halide_device_interface_t * device_interface
The interface used to interpret the above handle.
Definition HalideRuntime.h:1574
halide_device_interface_impl_t
Definition device_interface.h:8
halide_device_interface_impl_t::use_module
void(* use_module)()
Definition device_interface.h:14
halide_device_interface_impl_t::release_module
void(* release_module)()
Definition device_interface.h:15
halide_device_interface_impl_t::wrap_native
int(* wrap_native)(void *user_context, struct halide_buffer_t *buf, uint64_t handle)
Definition device_interface.h:35
halide_device_interface_impl_t::device_slice
int(* device_slice)(void *user_context, const struct halide_buffer_t *src, int slice_dim, int slice_pos, struct halide_buffer_t *dst)
Definition device_interface.h:29
halide_device_interface_impl_t::device_free
int(* device_free)(void *user_context, struct halide_buffer_t *buf)
Definition device_interface.h:17
halide_device_interface_impl_t::device_release_crop
int(* device_release_crop)(void *user_context, struct halide_buffer_t *buf)
Definition device_interface.h:33
halide_device_interface_impl_t::device_crop
int(* device_crop)(void *user_context, const struct halide_buffer_t *src, struct halide_buffer_t *dst)
Definition device_interface.h:26
halide_device_interface_impl_t::detach_native
int(* detach_native)(void *user_context, struct halide_buffer_t *buf)
Definition device_interface.h:36
halide_device_interface_impl_t::device_and_host_malloc
int(* device_and_host_malloc)(void *user_context, struct halide_buffer_t *buf)
Definition device_interface.h:22
halide_device_interface_impl_t::buffer_copy
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)
Definition device_interface.h:24
halide_device_interface_impl_t::copy_to_host
int(* copy_to_host)(void *user_context, struct halide_buffer_t *buf)
Definition device_interface.h:20
halide_device_interface_impl_t::device_sync
int(* device_sync)(void *user_context, struct halide_buffer_t *buf)
Definition device_interface.h:18
halide_device_interface_impl_t::copy_to_device
int(* copy_to_device)(void *user_context, struct halide_buffer_t *buf)
Definition device_interface.h:21
halide_device_interface_impl_t::device_release
int(* device_release)(void *user_context)
Definition device_interface.h:19
halide_device_interface_impl_t::device_malloc
int(* device_malloc)(void *user_context, struct halide_buffer_t *buf)
Definition device_interface.h:16
halide_device_interface_impl_t::device_and_host_free
int(* device_and_host_free)(void *user_context, struct halide_buffer_t *buf)
Definition device_interface.h:23
halide_device_interface_t
Each GPU API provides a halide_device_interface_t struct pointing to the code that manages device all...
Definition HalideRuntime.h:797