stage/views/staged.h
| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | // SPDX-License-Identifier: BSD-3-Clause | ||
| 2 | #pragma once | ||
| 3 | |||
| 4 | #include <cstddef> | ||
| 5 | #include <cstdint> | ||
| 6 | #include <optional> | ||
| 7 | #include <vector> | ||
| 8 | |||
| 9 | #include <dlpack/dlpack.h> | ||
| 10 | |||
| 11 | #include "chrono_batch_render/device/buffer.h" | ||
| 12 | #include "chrono_batch_render/device/device.h" | ||
| 13 | #include "chrono_batch_render/device/ref.h" | ||
| 14 | #include "chrono_batch_render/device/stream.h" | ||
| 15 | |||
| 16 | namespace chrono::batch_render { | ||
| 17 | |||
| 18 | class StagedTensor { | ||
| 19 | public: | ||
| 20 | static std::optional<StagedTensor> Stage(device::Device& device, const DLTensor& source, | ||
| 21 | Stream producer); | ||
| 22 | |||
| 23 | DLTensor View() const; | ||
| 24 | |||
| 25 | 7615 | Stream Producer() const { | |
| 26 | 7615 | return m_producer; | |
| 27 | } | ||
| 28 | |||
| 29 | private: | ||
| 30 | std::vector<int64_t> m_shape; | ||
| 31 | std::vector<std::byte> m_host; | ||
| 32 | Ref<device::Buffer> m_buffer; | ||
| 33 | DLDataType m_dtype{}; | ||
| 34 | DLDevice m_device{kDLCPU, 0}; | ||
| 35 | uint64_t m_address = 0; | ||
| 36 | Stream m_producer = Stream::None(); | ||
| 37 | }; | ||
| 38 | |||
| 39 | 29387 | inline bool StageOptional(device::Device& device, const DLTensor* tensor, Stream producer, | |
| 40 | std::optional<StagedTensor>& staged) { | ||
| 41 | 29387 | if (tensor == nullptr) { | |
| 42 | return true; | ||
| 43 | } | ||
| 44 | 28316 | staged = StagedTensor::Stage(device, *tensor, producer); | |
| 45 | 14158 | return staged.has_value(); | |
| 46 | } | ||
| 47 | |||
| 48 | 15229 | inline const DLTensor* ViewOptional(const std::optional<StagedTensor>& staged, DLTensor& view) { | |
| 49 | 15229 | if (!staged) { | |
| 50 | return nullptr; | ||
| 51 | } | ||
| 52 | ✗ | view = staged->View(); | |
| 53 | ✗ | return &view; | |
| 54 | } | ||
| 55 | |||
| 56 | } | ||
| 57 |