mirror of https://github.com/alibaba/MNN.git
79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
//
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// GLSqueeze.cpp
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// MNN
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//
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// Created by MNN on 2019/01/31.
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// Copyright © 2018, Alibaba Group Holding Limited
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//
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#include "backend/opengl/GLSqueeze.hpp"
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#include <sstream>
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#include "AllShader.hpp"
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#include "backend/opengl/GLBackend.hpp"
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#include "core/Macro.h"
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#include "core/TensorUtils.hpp"
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namespace MNN {
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namespace OpenGL {
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GLSqueeze::GLSqueeze(const std::vector<Tensor *> &inputs, const Op *op, Backend *bn) : Execution(bn) {
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}
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GLSqueeze::~GLSqueeze() {
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}
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ErrorCode GLSqueeze::onResize(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs) {
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auto input = inputs[0];
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auto output = outputs[0];
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std::vector<std::string> prefix;
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setLocalSize(prefix, mLocalSize, 8, 8, 1);
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mProgram = ((GLBackend *)backend())->getProgram("suqeeze", glsl_image_copy_glsl, prefix);
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return NO_ERROR;
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}
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ErrorCode GLSqueeze::onExecute(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs) {
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auto input = inputs[0];
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auto output = outputs[0];
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std::vector<int> inputShape = tensorShapeFormat(input);
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int ib = inputShape.at(0);
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int ih = inputShape.at(1);
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int iw = inputShape.at(2);
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int ic = inputShape.at(3);
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int ic_4 = UP_DIV(ic, 4);
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mProgram->useProgram();
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glBindImageTexture(0, output->deviceId(), 0, GL_TRUE, 0, GL_WRITE_ONLY, ((GLBackend *)backend())->getTextrueFormat());
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{
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int texId = 0;
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glActiveTexture(GL_TEXTURE0 + texId);
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glUniform1i(1, texId);
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glBindTexture(GL_TEXTURE_3D, input->deviceId());
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OPENGL_CHECK_ERROR;
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}
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glUniform4i(2, iw, ih, ic_4, ib);
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OPENGL_CHECK_ERROR;
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((GLBackend *)backend())->compute(UP_DIV(iw, mLocalSize[0]), UP_DIV(ih, mLocalSize[1]), UP_DIV(ic_4, mLocalSize[2]));
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return NO_ERROR;
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}
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class SqueezeCreator : public GLBackend::Creator {
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public:
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virtual ~SqueezeCreator() = default;
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virtual Execution *onCreate(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs,
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const MNN::Op *op, Backend *backend) const override {
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if(inputs[0]->dimensions() == 3 || outputs[0]->dimensions() == 3){
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MNN_PRINT("reshape not support dimensions == 3 \n");
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return nullptr;
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}
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return new GLSqueeze(inputs, op, backend);
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}
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};
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GLCreatorRegister<SqueezeCreator> __squeeze_op(OpType_Squeeze);
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} // namespace OpenGL
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} // namespace MNN
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