chore: import upstream snapshot with attribution

2026-07-13 13:33:03 +08:00
commit 5b57521aa1
8226 changed files with 3425766 additions and 0 deletions
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+//
+//  CPUImageProcess.cpp
+//  MNN
+//
+//  Created by MNN on 2021/10/27.
+//  Copyright © 2018 Alibaba. All rights reserved.
+//
+
+#include "backend/cpu/CPUImageProcess.hpp"
+#include "compute/ImageProcessFunction.hpp"
+#include <string.h>
+#include <mutex>
+#include "core/Macro.h"
+#include <map>
+#include <utility>
+
+namespace MNN {
+
+ErrorCode CPUImageProcess::onResize(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs) {
+    auto input = inputs[0];
+    int ih, iw, ic, oc, oh, ow;
+    if (input->dimensions() == 3) {
+        ih = input->length(0);
+        iw = input->length(1);
+        ic = input->length(2);
+    } else {
+        ih = input->height();
+        iw = input->width();
+        ic = input->channel();
+    }
+    mImgProc.reset(new ImageProcessUtils(mImgConfig));
+    if (draw) {
+        mImgProc->resizeFunc(ic, iw, ih, ic, iw, ih, inputs[0]->getType());
+        return NO_ERROR;
+    }
+    auto output = outputs[0];
+    oh = output->height();
+    ow = output->width();
+    oc = output->channel();
+    mImgProc->resizeFunc(ic, iw, ih, oc, ow, oh, output->getType());
+
+    return NO_ERROR;
+}
+
+ErrorCode CPUImageProcess::onExecute(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs) {
+    auto source = inputs[0]->host<uint8_t>();
+    void* dest = nullptr;
+    if (draw) {
+        // change input to output
+        dest = source;
+    } else {
+        dest = outputs[0]->host<void>();
+    }
+    mImgProc->execFunc(source, mStride, dest);
+    return NO_ERROR;
+}
+
+class CPUImageProcessCreator : public CPUBackend::Creator {
+public:
+    virtual Execution *onCreate(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs,
+                                const MNN::Op *op, Backend *backend) const {
+        auto process = op->main_as_ImageProcessParam();
+        return new CPUImageProcess(backend, process);
+    }
+};
+
+REGISTER_CPU_OP_CREATOR(CPUImageProcessCreator, OpType_ImageProcess);
+} // namespace MNN