mirror of https://github.com/alibaba/MNN.git
115 lines
3.3 KiB
C++
115 lines
3.3 KiB
C++
//
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// ImagePool.cpp
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// MNN
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//
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// Created by MNN on 2019/02/28.
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// Copyright © 2018, Alibaba Group Holding Limited
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//
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#include "backend/opencl/core/ImagePool.hpp"
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namespace MNN {
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namespace OpenCL {
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cl::Image* ImagePool::alloc(int w, int h, bool seperate) {
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if (!seperate) {
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int minWaste = 0;
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auto findIter = mFreeList.end();
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for (auto iterP = mFreeList.begin(); iterP != mFreeList.end(); iterP++) {
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auto& iter = *iterP;
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if (iter->w >= w && iter->h >= h) {
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int waste = iter->w * iter->h - w * h;
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if (minWaste == 0 || waste < minWaste) {
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findIter = iterP;
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minWaste = waste;
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}
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}
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}
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if (findIter != mFreeList.end()) {
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auto image = (*findIter)->image.get();
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mFreeList.erase(findIter);
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return image;
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}
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}
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std::shared_ptr<Node> node(new Node);
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node->w = w;
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node->h = h;
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node->image.reset(
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new cl::Image2D(mContext, CL_MEM_READ_WRITE, cl::ImageFormat(CL_RGBA, mType), w, h, 0, nullptr, nullptr));
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if (nullptr == node->image) {
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MNN_ERROR("All Image %d x %d error \n", w, h);
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return nullptr;
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}
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mAllImage.insert(std::make_pair(node->image.get(), node));
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return node->image.get();
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}
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void ImagePool::recycle(cl::Image* image, bool release) {
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auto iter = mAllImage.find(image);
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if (iter == mAllImage.end()) {
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MNN_ERROR("recycle failed for not belong image\n");
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return;
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}
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if (release) {
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mAllImage.erase(iter);
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return;
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}
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mFreeList.push_back(iter->second);
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}
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void ImagePool::clear() {
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mFreeList.clear();
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mAllImage.clear();
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}
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cl::Image* ImagePoolInt8::alloc(int w, int h, bool seperate) {
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if (!seperate) {
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int minWaste = 0;
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auto findIter = mFreeList.end();
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for (auto iterP = mFreeList.begin(); iterP != mFreeList.end(); iterP++) {
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auto& iter = *iterP;
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if (iter->w >= w && iter->h >= h) {
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int waste = iter->w * iter->h - w * h;
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if (minWaste == 0 || waste < minWaste) {
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findIter = iterP;
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minWaste = waste;
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}
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}
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}
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if (findIter != mFreeList.end()) {
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auto image = (*findIter)->image.get();
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mFreeList.erase(findIter);
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return image;
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}
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}
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std::shared_ptr<Node> node(new Node);
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node->w = w;
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node->h = h;
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node->image.reset(
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new cl::Image2D(mContext, CL_MEM_READ_WRITE, cl::ImageFormat(CL_RGBA, mType), w, h, 0, nullptr, nullptr));
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if (nullptr == node->image) {
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MNN_ERROR("All Image %d x %d error \n", w, h);
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return nullptr;
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}
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mAllImage.insert(std::make_pair(node->image.get(), node));
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return node->image.get();
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}
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void ImagePoolInt8::recycle(cl::Image* image, bool release) {
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auto iter = mAllImage.find(image);
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if (iter == mAllImage.end()) {
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MNN_ERROR("recycle failed for not belong image\n");
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return;
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}
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if (release) {
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mAllImage.erase(iter);
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return;
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}
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mFreeList.push_back(iter->second);
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}
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void ImagePoolInt8::clear() {
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mFreeList.clear();
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mAllImage.clear();
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}
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} // namespace OpenCL
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} // namespace MNN
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