Realization.cpp
#include "Realization.h"
#include "Buffer.h"
#include "Error.h"
namespace Halide {
/** The number of images in the Realization. */
size_t Realization::size() const {
return images.size();
}
/** Get a const reference to one of the images. */
const Buffer<void> &Realization::operator[](size_t x) const {
user_assert(x < images.size()) << "Realization access out of bounds\n";
return images[x];
}
/** Get a reference to one of the images. */
Buffer<void> &Realization::operator[](size_t x) {
user_assert(x < images.size()) << "Realization access out of bounds\n";
return images[x];
}
/** Construct a Realization that refers to the buffers in an
* existing vector of Buffer<> */
Realization::Realization(std::vector<Buffer<void>> &e)
: images(e) {
user_assert(!e.empty()) << "Realizations must have at least one element\n";
}
/** Call device_sync() for all Buffers in the Realization.
* If one of the calls returns an error, subsequent Buffers won't have
* device_sync called; thus callers should consider a nonzero return
* code to mean that potentially all of the Buffers are in an indeterminate
* state of sync.
* Calling this explicitly should rarely be necessary, except for profiling. */
int Realization::device_sync(void *ctx) {
for (auto &b : images) {
int result = b.device_sync(ctx);
if (result != 0) {
return result;
}
}
return 0;
}
} // namespace Halide