mirror of https://github.com/alibaba/MNN.git
101 lines
3.0 KiB
C++
101 lines
3.0 KiB
C++
//
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// GLConcat.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/GLConcat.hpp"
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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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namespace MNN {
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namespace OpenGL {
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GLConcat::GLConcat(const std::vector<Tensor *> &inputs, const Op *op, Backend *bn): Execution(bn) {
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mAxis = op->main_as_Axis()->axis();
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mProgram = ((GLBackend *)backend())->getProgram("blit", glsl_blit_glsl);
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}
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GLConcat::~GLConcat() {
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}
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ErrorCode GLConcat::onExecute(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs) {
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auto outputTensor = outputs[0];
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std::vector<int> outputShape = tensorShapeFormat(outputTensor);
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int dx = 0;
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int dy = 0;
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int dz = 0;
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for (int i = 0; i < inputs.size(); ++i) {
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auto inputTensor = inputs[i];
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std::vector<int> inputShape = tensorShapeFormat(inputTensor);
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int sy = inputShape.at(1);
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int sx = inputShape.at(2);
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int ic = inputShape.at(3);
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int sz = UP_DIV(ic, 4);
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mProgram->useProgram();
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glBindImageTexture(0, (GLuint)outputTensor->deviceId(), 0, GL_TRUE, 0, GL_WRITE_ONLY, ((GLBackend *)backend())->getTextrueFormat());
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glBindImageTexture(1, (GLuint)inputTensor->deviceId(), 0, GL_TRUE, 0, GL_READ_ONLY, ((GLBackend *)backend())->getTextrueFormat());
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OPENGL_CHECK_ERROR;
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glUniform3i(2, 0, 0, 0);
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glUniform3i(3, dx, dy, dz);
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glUniform3i(4, sx, sy, sz);
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OPENGL_CHECK_ERROR;
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((GLBackend *)backend())->compute(UP_DIV(sx, 4), UP_DIV(sy, 4), UP_DIV(sz, 4));
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OPENGL_CHECK_ERROR;
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if (sx != outputShape.at(2)) {
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dx += sx;
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} else if (sy != outputShape.at(1)) {
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dy += sy;
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} else {
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dz += sz;
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}
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}
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return NO_ERROR;
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}
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class ConcatCreator : public GLBackend::Creator {
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public:
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virtual ~ConcatCreator() = 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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auto axis = op->main_as_Axis()->axis();
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if (0 > axis) {
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axis = outputs[0]->dimensions() + axis;
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}
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for (int i = 0; i < inputs.size(); ++i) {
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if (inputs[i]->getDimensionType() != Tensor::CAFFE) {
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// TODO Support NHWC format
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return nullptr;
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}
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}
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if (axis == 1) {
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for (int i = 0; i < inputs.size() - 1; ++i) {
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if (inputs[i]->channel() % 4 != 0) {
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MNN_PRINT("concat only support 4 alignment, back to cpu !!! \n");
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return nullptr;
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}
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}
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}
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return new GLConcat(inputs, op, backend);
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}
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};
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GLCreatorRegister<ConcatCreator> __concat_op(OpType_Concat);
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} // namespace OpenGL
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} // namespace MNN
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