ngscopeclient v0.1-rc1
LevelCrossingDetector.h
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29
35#ifndef LevelCrossingDetector_h
36#define LevelCrossingDetector_h
37
38struct __attribute__((packed)) ZeroCrossingPushConstants
39{
40 int64_t triggerPhase;
41 int64_t timescale;
42 uint32_t inputSize;
43 uint32_t inputPerThread;
44 uint32_t outputPerThread;
45 float threshold;
46};
47
48struct __attribute__((packed)) PreGatherPushConstants
49{
50 uint32_t numBlocks;
51 uint32_t stride;
52};
53
54struct __attribute__((packed)) GatherPushConstants
55{
56 uint32_t numBlocks;
57 uint32_t stride;
58};
59
64{
65public:
67
68 int64_t FindZeroCrossings(
70 float threshold,
71 vk::raii::CommandBuffer& cmdBuf,
72 std::shared_ptr<QueueHandle> queue);
73
74 AcceleratorBuffer<int64_t>& GetResults()
75 { return m_outbuf; }
76
77protected:
78 std::unique_ptr<ComputePipeline> m_zeroCrossingPipeline;
79 std::unique_ptr<ComputePipeline> m_preGatherPipeline;
80 std::unique_ptr<ComputePipeline> m_gatherPipeline;
81
82 AcceleratorBuffer<int64_t> m_temporaryResults;
83 AcceleratorBuffer<int64_t> m_gatherIndexes;
85};
86
87#endif
Helper for GPU accelerated level-crossing searches.
Definition: LevelCrossingDetector.h:64
A waveform sampled at uniform intervals.
Definition: Waveform.h:371