insaneyilin
/ show_opencv_image_in_opengl.cpp
Last active
November 20, 2023 05:47
Show opencv cv::Mat image in an OpenGL window(use GLFW)
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| /* | |
| # Released under MIT License | |
| Copyright (c) 2017 insaneyilin. | |
| Permission is hereby granted, free of charge, to any person obtaining a copy of this software and | |
| associated documentation files (the "Software"), to deal in the Software without restriction, | |
| including without limitation the rights to use, copy, modify, merge, publish, distribute, | |
| sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is | |
| furnished to do so, subject to the following conditions: |
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| Latency Comparison Numbers (~2012) | |
| ---------------------------------- | |
| L1 cache reference 0.5 ns | |
| Branch mispredict 5 ns | |
| L2 cache reference 7 ns 14x L1 cache | |
| Mutex lock/unlock 25 ns | |
| Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
| Compress 1K bytes with Zippy 3,000 ns 3 us | |
| Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
| Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |