mirror of https://github.com/alibaba/MNN.git
82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
//
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// GLInterp.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/GLInterp.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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namespace MNN {
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namespace OpenGL {
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GLInterp::GLInterp(const std::vector<Tensor *> &inputs, const Op *op, Backend *bn) : Execution(bn) {
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auto interpParam = op->main_as_Interp();
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mAlignCorners = interpParam->alignCorners();
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mResizeType = interpParam->resizeType();
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}
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ErrorCode GLInterp::onResize(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs) {
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std::vector<std::string> prefix;
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setLocalSize(prefix, mLocalSize, 8, 8, 1);
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if(mResizeType == 1){
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mProgram = ((GLBackend *)backend())->getProgram("interp_nearest", glsl_resizeNearest_glsl, prefix);
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}else if(mResizeType == 2){
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mProgram = ((GLBackend *)backend())->getProgram("interp_bilinear", glsl_resizeBilinear_glsl, prefix);
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}else{
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return NOT_SUPPORT;
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}
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return NO_ERROR;
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}
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GLInterp::~GLInterp() {
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}
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ErrorCode GLInterp::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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int iw = input->width();
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int ih = input->height();
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int ic_4 = UP_DIV(input->channel(), 4);
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int ib = input->batch();
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int ow = output->width();
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int oh = output->height();
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int oc_4 = UP_DIV(output->channel(), 4);
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int ob = output->batch();
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float xScale = 1;
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float yScale = 1;
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if (mAlignCorners) {
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yScale = (float)(ih - 1) / (float)(oh - 1);
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xScale = (float)(iw - 1) / (float)(ow - 1);
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} else {
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yScale = (float)(ih) / (float)(oh);
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xScale = (float)(iw) / (float)(ow);
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}
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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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glUniform4i(3, ow, oh, oc_4, ob);
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glUniform2f(4, xScale, yScale);
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OPENGL_CHECK_ERROR;
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((GLBackend *)backend())->compute(UP_DIV(ow, mLocalSize[0]), UP_DIV(oh, mLocalSize[1]), UP_DIV(oc_4*ob, mLocalSize[2]));
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return NO_ERROR;
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}
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GLCreatorRegister<TypedCreator<GLInterp>> __interp_op(OpType_Interp);
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} // namespace OpenGL
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} // namespace MNN
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