WaveEngine Dotnet 2018
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Developing a c# graphics engine for Virtual Reality and Augmented Reality
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WaveEngine Dotnet 2018
- 1. #DotNet2018 Desarrollando un motor gráfico en C# para Virtual Reality y Augmented Reality
- 3. #DotNet2018 @jcant0n jcanton@plainconcepts.com Javier is a Computer Science Engineer who has always had a passion for 3D graphics and software architecture. His professional achievements include being MVP for Windows DirectX and DirectX XNA for the last nine years, Xbox Ambassador, as well as Microsoft Student Partner and Microsoft Most Valuable Student during his years at college. Currently he works at Plainconcepts as Research Team Lead. Javier Cantón Research Team Lead
- 4. #DotNet2018 Wave Engine on VR, AR and MR
- 5. #DotNet2018 Wave Engine • 7 years ago • Latest C# features • Unified cross-platform API • Component-based engine
- 7. #DotNet2018 C# features to keep in mind
- 8. #DotNet2018 Access Modifiers • Public Assembly 1 Assembly 2 Class 1 Class 2 Class 3
- 9. #DotNet2018 Access Modifiers • Public • Protected Assembly 1 Assembly 2 Class 1 Class 2 Class 3
- 10. #DotNet2018 Access Modifiers • Public • Protected • Internal Assembly 1 Assembly 2 Class 1 Class 2 Class 3
- 11. #DotNet2018 Access Modifiers • Public • Protected • Internal • Private Assembly 1 Assembly 2 Class 1 Class 2 Class 3
- 12. #DotNet2018 Access Modifiers • Public • Protected • Internal • Private • Protected Internal Assembly 1 Assembly 2 Class 1 Class 2 Class 3
- 13. #DotNet2018 Access Modifiers • Public • Protected • Internal • Private • Protected Internal • Private protected Assembly 1 Assembly 2 Class 3 Class 2 Class 1
- 16. #DotNet2018 Stack Heap Value Type vs Reference Type Reference Type Memory Location Int var = 10 Value Type Int var = 10
- 18. #DotNet2018 Stack Heap Boxing and Unboxing i (Reference type) Int i = 4
- 19. #DotNet2018 Boxing and Unboxing Stack Heap i (Reference type) 4 o (Reference Type) Memory Location 4 Boxing Value to Reference
- 20. #DotNet2018 Stack Heap Boxing and Unboxing i (Value type) 4 o (Reference Type) Memory Location 4 Unboxing Reference to value j (Value type) 4
- 22. #DotNet2018 Lazy evaluation or deferred execution • Not all values needed • Useful for other datastructs • Easy to code
- 23. #DotNet2018 Writing C# code when performance is the most important thing
- 24. #DotNet2018 Micro-optimization are for • BCL and Runtime • You expect it • Real Time applications • Graphics development • 16 ms per frame
- 25. #DotNet2018 Benchmarking best practices @andrey_akinshin JetBrainsRider developer • Warmup • Cleanup • Enable compiler optimizations (Release Mode) • Run benchmarks without an attached debugger • Run benchmark several times
- 26. #DotNet2018 Simple example • 1920x1080 resolution • 4x4 nearpixels • 30 frames per second • 995.328.000 ~ 1 billion
- 27. #DotNet2018 Simple example 119 times faster
- 31. #DotNet2018 Inlining • Do not use throw new • Do not use virtual • Less than 32 bytes of IL • Up to 20% performance
- 32. #DotNet2018
- 33. #DotNet2018
- 34. #DotNet2018 Structs (fields order) 40 bytes 24 bytes
- 35. #DotNet2018 Object memory Layout Byte Byte Byte Double Double Byte Byte Byte Double Double
- 37. #DotNet2018 Repository • Visual Studio Online • Git based repository • Git Flow • SourceTree • GitKraken • Branch Policies • Develop needs Pull Requests • Partial Github mirror
- 38. #DotNet2018 Builds • TeamCity connected to VS online • Agents • Azure (Linux, Windows) • MiniMacs (MacOS) • Fake using F# • Continue Integration • New Release • Nightly builds • Samples builds
- 39. #DotNet2018 Testing • Visual Tests • Custom tool • Pixel based comparison • Unit tests • Performance Tests • DotnetBenchmarks
- 41. #DotNet2018 VR devices Oculus Rift HTC Vive Pro HTC Vive PlayStation
- 42. #DotNet2018 Name Resolution Field Of View Weight Refresh Pricing Oculus Rift 2160x1200 110 470 grams 90hz $399 HTC Vive 2160x1200 110 555 grams 90hz $439 HTC Vive Pro 2880 x 1600 (615 PPI) 110 470 grams 90hz $799 PlayStation 1920x1080 100 610 grams 90 – 120 hz $329 VR devices
- 43. #DotNet2018 Windows 10 VR devices
- 44. #DotNet2018 Name Resolution Field Of View Weight Release date Pricing Acer WMR headset 2880x1440 95 350 grams October 17, 2017 $299-$399 ASUS HC102 2880x1440 95 400 grams Spring 2018 $449 Dell Visor 2880x1440 110 834 grams October 17, 2017 $329-$449 HP WMR headset 2880x1440 95 380 grams October 17, 2017 $349-$399 Lenovo Explorer 2880x1440 105 Unspecified October 17, 2017 $349-$449 Samsung Odyssey 2880x1600 110 645 grams November 6, 2017 $499 Windows 10 VR devices
- 45. #DotNet2018 VR standalone devices Oculus Go DayDream Gear VR Google VR180
- 46. #DotNet2018 MR devices HoloLens Meta 2 Magic Leap
- 47. #DotNet2018 AR devices ARKit ARCore • Iphone 6S • Iphone 6S Plus • Iphone SE • Iphone 7 / 7 Plus • Iphone 8 / 8 Plus • Iphone X • Asus Zenfone AR / Zenfone Ares • Google Pixel 2 / 2 XL / Pixel / Pixel XL / Nexus 5X / Nexus 6P • Huawei P20 / P20 pro • Motorola Z2 Force / G6 Plus • OnePlus 5 / 3T • Samsung A5 / A7 / A8 / A8+ / Note 8 / S7 / S7 Edge / S8 / S8+ / S9 / S9+ • Sony XZ Premium / Xperia XZ1 • Xiaomi Mi Mix 2S
- 49. #DotNet2018 Thanks and … See you soon! Thanks also to the sponsors. Without whom this would not have been posible.
Editor's Notes
- https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/keywords/access-modifiers
- https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/keywords/access-modifiers
- https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/keywords/access-modifiers
- https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/keywords/access-modifiers
- https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/keywords/access-modifiers
- https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/keywords/access-modifiers
- ¿Donde se almacenan los arrays? Struct no permiten herencia 192 Bytes en las guias de Windows phone. Stack = static memory Heap = Dynamic memory
- .NET foundation
- https://github.com/dotnet/corefx/commit/8c3a1bac543c7654b37a9506e3382f184849ba16#diff-f1285172a2a161542ccf657778f0852c
- SharpLab
- https://marketplace.visualstudio.com/items?itemName=StephanZehetner.InliningAnalyzer
- https://github.com/SergeyTeplyakov/ObjectLayoutInspector