null_host_field.cpp
#include "Halide.h"
#include <stdio.h>
using namespace Halide;
using namespace Halide::Internal;
int main(int argc, char **argv) {
if (get_jit_target_from_environment().arch == Target::WebAssembly) {
printf("Skipping test for WebAssembly as it does not support non-host buffers yet.\n");
_halide_user_assert(0);
}
Func f;
Var x, y;
ImageParam in(UInt(8), 2);
// Give the input a device field (to get past bounds query checks)
// but no host field. If not for the assert failure, we'd segfault
// (which isn't accepted as correct behavior from the testing
// infrastructure).
Buffer<uint8_t> param_buf(10, 10);
param_buf.raw_buffer()->device = 3;
param_buf.raw_buffer()->device_interface = (halide_device_interface_t *)(3);
param_buf.raw_buffer()->host = nullptr;
f(x, y) = in(x, y);
f.compute_root();
in.set(param_buf);
Buffer<uint8_t> result = f.realize(10, 10);
// Avoid a freak-out in the destructor of param_buf.
param_buf.raw_buffer()->device = 0;
param_buf.raw_buffer()->device_interface = 0;
printf("I should not have reached here\n");
return 0;
}