mirror of https://github.com/alibaba/MNN.git
102 lines
3.4 KiB
C++
102 lines
3.4 KiB
C++
//
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// GLPermute.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/GLPermute.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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GLPermute::GLPermute(const std::vector<Tensor *> &inputs, const Op *op, Backend *bn) : Execution(bn) {
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auto newDim = op->main_as_Permute()->dims();
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for (int i = 0; i < newDim->size(); ++i) {
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mDims.push_back(newDim->data()[i]);
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}
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}
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GLPermute::~GLPermute() {
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}
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ErrorCode GLPermute::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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mSrcBuffer.reset(new GLSSBOBuffer(input->size()));
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mDstBuffer.reset(new GLSSBOBuffer(output->size()));
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mPermuteProgram = ((GLBackend *)backend())->getProgram("permute", glsl_permute_glsl, prefix);
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mSrcProgram = ((GLBackend *)backend())->getProgram("src", glsl_image_to_nchw_buffer_glsl, prefix);
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mDstProgram = ((GLBackend *)backend())->getProgram("dst", glsl_nchw_buffer_to_image_glsl, prefix);
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return NO_ERROR;
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}
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ErrorCode GLPermute::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 ih = input->height();
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int iw = input->width();
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int ic = input->channel();
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int ib = input->batch();
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int ic_4 = UP_DIV(ic, 4);
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int oh = output->height();
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int ow = output->width();
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int oc = output->channel();
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int ob = output->batch();
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int oc_4 = UP_DIV(oc, 4);
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//image -> buffer(nchw)
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{
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mSrcProgram->useProgram();
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glBindImageTexture(0, input->deviceId(), 0, GL_TRUE, 0, GL_READ_ONLY, ((GLBackend *)backend())->getTextrueFormat());
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glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 1, mSrcBuffer->getId());
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glUniform1i(2, iw);
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glUniform1i(3, ih);
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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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OPENGL_CHECK_ERROR;
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}
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//do permute
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{
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mPermuteProgram->useProgram();
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glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, mSrcBuffer->getId());
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glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 1, mDstBuffer->getId());
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glUniform4i(2, mDims[0], mDims[1], mDims[2], mDims[3]);
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glUniform4i(3, iw, ih, ic, ib);
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glUniform4i(4, ow, oh, oc, ob);
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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, mLocalSize[2]));
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OPENGL_CHECK_ERROR;
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}
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//buffer(nchw) -> image
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{
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mDstProgram->useProgram();
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glBindImageTexture(0, output->deviceId(), 0, GL_TRUE, 0, GL_WRITE_ONLY, ((GLBackend *)backend())->getTextrueFormat());
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glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 1, mDstBuffer->getId());
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glUniform1i(2, ow);
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glUniform1i(3, oh);
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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, mLocalSize[2]));
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OPENGL_CHECK_ERROR;
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}
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return NO_ERROR;
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}
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GLCreatorRegister<TypedCreator<GLPermute>> __permute_op(OpType_Permute);
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} // namespace OpenGL
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} // namespace MNN
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