vendor: OpenCV 5.0.0 snapshot at 755e50675d97db9b7d449d8bd6b09888646f6c6e

modules/fastcv/perf/perf_fft_dsp.cpp

@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2025 Qualcomm Innovation Center, Inc. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+*/
+
+#include "perf_precomp.hpp"
+
+namespace opencv_test {
+
+typedef perf::TestBaseWithParam<cv::Size> FFT_DSPExtPerfTest;
+
+PERF_TEST_P_(FFT_DSPExtPerfTest, forward)
+{
+    applyTestTag(CV_TEST_TAG_FASTCV_SKIP_DSP);
+
+    //Initialize DSP
+    int initStatus = cv::fastcv::dsp::fcvdspinit();
+    ASSERT_EQ(initStatus, 0) << "Failed to initialize FastCV DSP";
+
+    Size size = GetParam();
+
+    RNG& rng = cv::theRNG();
+
+    Mat src;
+    src.allocator = cv::fastcv::getQcAllocator();
+    src.create(size, CV_8UC1);
+    cvtest::randUni(rng, src, Scalar::all(0), Scalar::all(256));
+
+    Mat dst;
+    dst.allocator = cv::fastcv::getQcAllocator();
+
+    while (next())
+    {
+        startTimer();
+        cv::fastcv::dsp::FFT(src, dst);
+        stopTimer();
+    }
+
+    //De-Initialize DSP
+    cv::fastcv::dsp::fcvdspdeinit();
+
+    SANITY_CHECK_NOTHING();
+}
+
+PERF_TEST_P_(FFT_DSPExtPerfTest, inverse)
+{
+    applyTestTag(CV_TEST_TAG_FASTCV_SKIP_DSP);
+
+    //Initialize DSP
+    int initStatus = cv::fastcv::dsp::fcvdspinit();
+    ASSERT_EQ(initStatus, 0) << "Failed to initialize FastCV DSP";
+
+    Size size = GetParam();
+
+    RNG& rng = cv::theRNG();
+
+    Mat src;
+    src.allocator = cv::fastcv::getQcAllocator();
+    src.create(size, CV_8UC1);
+
+    cvtest::randUni(rng, src, Scalar::all(0), Scalar::all(256));
+
+    Mat fwd, back;
+    fwd.allocator = cv::fastcv::getQcAllocator();
+    back.allocator = cv::fastcv::getQcAllocator();
+
+    cv::fastcv::dsp::FFT(src, fwd);
+
+    while (next())
+    {
+        startTimer();
+        cv::fastcv::dsp::IFFT(fwd, back);
+        stopTimer();
+    }
+
+    //De-Initialize DSP
+    cv::fastcv::dsp::fcvdspdeinit();
+
+    SANITY_CHECK_NOTHING();
+}
+
+INSTANTIATE_TEST_CASE_P(FastCV_Extension, FFT_DSPExtPerfTest,
+    ::testing::Values(Size(256, 256), Size(512, 512)));
+
+} // namespace