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Introduction to the Vulkan Computer Graphics API
1 Introduction to the Vulkan Computer Graphics API Mike Bailey mjb – July 24, 2020 2 Computer Graphics Introduction to the Vulkan Computer Graphics API Mike Bailey [email protected] SIGGRAPH 2020 Abridged Version This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License http://cs.oregonstate.edu/~mjb/vulkan ABRIDGED.pptx mjb – July 24, 2020 3 Course Goals • Give a sense of how Vulkan is different from OpenGL • Show how to do basic drawing in Vulkan • Leave you with working, documented, understandable sample code http://cs.oregonstate.edu/~mjb/vulkan mjb – July 24, 2020 4 Mike Bailey • Professor of Computer Science, Oregon State University • Has been in computer graphics for over 30 years • Has had over 8,000 students in his university classes • [email protected] Welcome! I’m happy to be here. I hope you are too ! http://cs.oregonstate.edu/~mjb/vulkan mjb – July 24, 2020 5 Sections 13.Swap Chain 1. Introduction 14.Push Constants 2. Sample Code 15.Physical Devices 3. Drawing 16.Logical Devices 4. Shaders and SPIR-V 17.Dynamic State Variables 5. Data Buffers 18.Getting Information Back 6. GLFW 19.Compute Shaders 7. GLM 20.Specialization Constants 8. Instancing 21.Synchronization 9. Graphics Pipeline Data Structure 22.Pipeline Barriers 10.Descriptor Sets 23.Multisampling 11.Textures 24.Multipass 12.Queues and Command Buffers 25.Ray Tracing Section titles that have been greyed-out have not been included in the ABRIDGED noteset, i.e., the one that has been made to fit in SIGGRAPH’s reduced time slot. -
GLSL 4.50 Spec
The OpenGL® Shading Language Language Version: 4.50 Document Revision: 7 09-May-2017 Editor: John Kessenich, Google Version 1.1 Authors: John Kessenich, Dave Baldwin, Randi Rost Copyright (c) 2008-2017 The Khronos Group Inc. All Rights Reserved. This specification is protected by copyright laws and contains material proprietary to the Khronos Group, Inc. It or any components may not be reproduced, republished, distributed, transmitted, displayed, broadcast, or otherwise exploited in any manner without the express prior written permission of Khronos Group. You may use this specification for implementing the functionality therein, without altering or removing any trademark, copyright or other notice from the specification, but the receipt or possession of this specification does not convey any rights to reproduce, disclose, or distribute its contents, or to manufacture, use, or sell anything that it may describe, in whole or in part. Khronos Group grants express permission to any current Promoter, Contributor or Adopter member of Khronos to copy and redistribute UNMODIFIED versions of this specification in any fashion, provided that NO CHARGE is made for the specification and the latest available update of the specification for any version of the API is used whenever possible. Such distributed specification may be reformatted AS LONG AS the contents of the specification are not changed in any way. The specification may be incorporated into a product that is sold as long as such product includes significant independent work developed by the seller. A link to the current version of this specification on the Khronos Group website should be included whenever possible with specification distributions. -
GLSL Specification
The OpenGL® Shading Language Language Version: 4.60 Document Revision: 3 23-Jul-2017 Editor: John Kessenich, Google Version 1.1 Authors: John Kessenich, Dave Baldwin, Randi Rost Copyright (c) 2008-2017 The Khronos Group Inc. All Rights Reserved. This specification is protected by copyright laws and contains material proprietary to the Khronos Group, Inc. It or any components may not be reproduced, republished, distributed, transmitted, displayed, broadcast, or otherwise exploited in any manner without the express prior written permission of Khronos Group. You may use this specification for implementing the functionality therein, without altering or removing any trademark, copyright or other notice from the specification, but the receipt or possession of this specification does not convey any rights to reproduce, disclose, or distribute its contents, or to manufacture, use, or sell anything that it may describe, in whole or in part. Khronos Group grants express permission to any current Promoter, Contributor or Adopter member of Khronos to copy and redistribute UNMODIFIED versions of this specification in any fashion, provided that NO CHARGE is made for the specification and the latest available update of the specification for any version of the API is used whenever possible. Such distributed specification may be reformatted AS LONG AS the contents of the specification are not changed in any way. The specification may be incorporated into a product that is sold as long as such product includes significant independent work developed by the seller. A link to the current version of this specification on the Khronos Group website should be included whenever possible with specification distributions. -
Marc Benito Bermúdez, Matina Maria Trompouki, Leonidas Kosmidis
Evaluation of Graphics-based General Purpose Computation Solutions for Safety Critical Systems: An Avionics Case Study Marc Benito Bermúdez, Matina Maria Trompouki, Leonidas Kosmidis Juan David Garcia, Sergio Carretero, Ken Wenger {marc.benito, leonidas.Kosmidis}@bsc.es Motivation • Massively parallel architectures, high computational power and high energy efficiency, in thermally limited systems • OpenCL and CUDA dominate the market of GPGPU Embedded GPUs can programming in HPC provide the required • Easily programmable APIs performance • Cannot be used in safety critical systems because of pointers and dynamic memory allocation • Safety Critical Systems require higher performance to support new advanced functionalities • In this Bachelor’s thesis [1] awarded with a Technology Transfer Award we: Characteristics of Safety Critical Systems: • Analyze their differences compared to desktop graphics APIs • Certification: Need to comply with safety standards: ISO26262 / DO178 • Demonstrate how a safety-critical application written in a non-certifiable • Very conservative in terms of hardware and software: simple programming model can be converted to use safety-critical APIs. processors, mainly single core • Evaluate performance and programmability trade-offs OpenGL and Vulkan versions diagram Visual output of the Avionics Application Initial prototype GPU-based avionics application, written in Vulkan and ported to OpenGL SC 2 following the guidelines of [2][3]. Basic Compute Shader Shader 3D Image Processed Image Brook SC Porting and Comparison -
The Opengl Graphics System
OpenGL R ES Native Platform Graphics Interface (Version 1.0) Editor: Jon Leech Copyright c 2002-2003 Promoters of the Khronos Group (3Dlabs, ARM Ltd., ATI Technologies, Inc., Discreet, Ericsson Mobile, Imagination Technologies Group plc, Motorola, Inc., Nokia, Silicon Graphics, Inc., SK Telecom, and Sun Microsystems). This document is protected by copyright, and contains information proprietary to The Khronos Group. Any copying, adaptation, distribution, public performance, or public display of this document without the express written consent of the copy- right holders is strictly prohibited. The receipt or possession of this document does not convey any rights to reproduce, disclose, or distribute its contents, or to manu- facture, use, or sell anything that it may describe, in whole or in part. R This document is a derivative work of ”OpenGL Graphics with the X Window System (Version 1.4)”. Silicon Graphics, Inc. owns, and reserves all rights in, the latter document. OpenGL is a registered trademark, and OpenGL ES is a trademark, of Silicon Graphics, Inc. Contents 1 Overview 1 2 EGL Operation 2 2.1 Native Window System and Rendering APIs . 2 2.1.1 Scalar Types . 2 2.1.2 Displays . 3 2.2 Rendering Contexts and Drawing Surfaces . 3 2.2.1 Using Rendering Contexts . 4 2.2.2 Rendering Models . 4 2.2.3 Interaction With Native Rendering . 4 2.3 Direct Rendering and Address Spaces . 5 2.4 Shared State . 5 2.4.1 Texture Objects . 6 2.5 Multiple Threads . 6 2.6 Power Management . 7 3 EGL Functions and Errors 8 3.1 Errors . -
The Opencl Specification
The OpenCL Specification Version: 2.0 Document Revision: 22 Khronos OpenCL Working Group Editor: Aaftab Munshi Last Revision Date: 3/18/14 Page 1 1. INTRODUCTION ............................................................................................................... 10 2. GLOSSARY ......................................................................................................................... 12 3. THE OPENCL ARCHITECTURE .................................................................................... 23 3.1 Platform Model ................................................................................................................................ 23 3.2 Execution Model .............................................................................................................................. 25 3.2.1 Execution Model: Mapping work-items onto an NDRange ........................................................................28 3.2.2 Execution Model: Execution of kernel-instances ........................................................................................30 3.2.3 Execution Model: Device-side enqueue ......................................................................................................31 3.2.4 Execution Model: Synchronization .............................................................................................................32 3.2.5 Execution Model: Categories of Kernels ....................................................................................................33 3.3 Memory -
Standards for Vision Processing and Neural Networks
Standards for Vision Processing and Neural Networks Radhakrishna Giduthuri, AMD [email protected] © Copyright Khronos Group 2017 - Page 1 Agenda • Why we need a standard? • Khronos NNEF • Khronos OpenVX dog Network Architecture Pre-trained Network Model (weights, …) © Copyright Khronos Group 2017 - Page 2 Neural Network End-to-End Workflow Neural Network Third Vision/AI Party Applications Training Frameworks Tools Datasets Trained Vision and Neural Network Network Inferencing Runtime Network Model Architecture Desktop and Cloud Hardware Embedded/Mobile Embedded/MobileEmbedded/Mobile Embedded/Mobile/Desktop/CloudVision/InferencingVision/Inferencing Hardware Hardware cuDNN MIOpen MKL-DNN Vision/InferencingVision/Inferencing Hardware Hardware GPU DSP CPU Custom FPGA © Copyright Khronos Group 2017 - Page 3 Problem: Neural Network Fragmentation Neural Network Training and Inferencing Fragmentation NN Authoring Framework 1 Inference Engine 1 NN Authoring Framework 2 Inference Engine 2 NN Authoring Framework 3 Inference Engine 3 Every Tool Needs an Exporter to Every Accelerator Neural Network Inferencing Fragmentation toll on Applications Inference Engine 1 Hardware 1 Vision/AI Inference Engine 2 Hardware 2 Application Inference Engine 3 Hardware 3 Every Application Needs know about Every Accelerator API © Copyright Khronos Group 2017 - Page 4 Khronos APIs Connect Software to Silicon Software Silicon Khronos is an International Industry Consortium of over 100 companies creating royalty-free, open standard APIs to enable software to access -
Khronos Template 2015
Ecosystem Overview Neil Trevett | Khronos President NVIDIA Vice President Developer Ecosystem [email protected] | @neilt3d © Copyright Khronos Group 2016 - Page 1 Khronos Mission Software Silicon Khronos is an Industry Consortium of over 100 companies creating royalty-free, open standard APIs to enable software to access hardware acceleration for graphics, parallel compute and vision © Copyright Khronos Group 2016 - Page 2 http://accelerateyourworld.org/ © Copyright Khronos Group 2016 - Page 3 Vision Pipeline Challenges and Opportunities Growing Camera Diversity Diverse Vision Processors Sensor Proliferation 22 Flexible sensor and camera Use efficient acceleration to Combine vision output control to GENERATE PROCESS with other sensor data an image stream the image stream on device © Copyright Khronos Group 2016 - Page 4 OpenVX – Low Power Vision Acceleration • Higher level abstraction API - Targeted at real-time mobile and embedded platforms • Performance portability across diverse architectures - Multi-core CPUs, GPUs, DSPs and DSP arrays, ISPs, Dedicated hardware… • Extends portable vision acceleration to very low power domains - Doesn’t require high-power CPU/GPU Complex - Lower precision requirements than OpenCL - Low-power host can setup and manage frame-rate graph Vision Engine Middleware Application X100 Dedicated Vision Processing Hardware Efficiency Vision DSPs X10 GPU Compute Accelerator Multi-core Accelerator Power Efficiency Power X1 CPU Accelerator Computation Flexibility © Copyright Khronos Group 2016 - Page 5 OpenVX Graphs -
Migrating from Opengl to Vulkan Mark Kilgard, January 19, 2016 About the Speaker Who Is This Guy?
Migrating from OpenGL to Vulkan Mark Kilgard, January 19, 2016 About the Speaker Who is this guy? Mark Kilgard Principal Graphics Software Engineer in Austin, Texas Long-time OpenGL driver developer at NVIDIA Author and implementer of many OpenGL extensions Collaborated on the development of Cg First commercial GPU shading language Recently working on GPU-accelerated vector graphics (Yes, and wrote GLUT in ages past) 2 Motivation for Talk Coming from OpenGL, Preparing for Vulkan What kinds of apps benefit from Vulkan? How to prepare your OpenGL code base to transition to Vulkan How various common OpenGL usage scenarios are re-thought in Vulkan Re-thinking your application structure for Vulkan 3 Analogy Different Valid Approaches 4 Analogy Fixed-function OpenGL Pre-assembled toy car fun out of the box, not much room for customization 5 AZDO = Approaching Zero Driver Overhead Analogy Modern AZDO OpenGL with Programmable Shaders LEGO Kit you build it yourself, comes with plenty of useful, pre-shaped pieces 6 Analogy Vulkan Pine Wood Derby Kit you build it yourself to race from raw materials power tools used to assemble, adult supervision highly recommended 7 Analogy Different Valid Approaches Fixed-function OpenGL Modern AZDO OpenGL with Vulkan Programmable Shaders 8 Beneficial Vulkan Scenarios Has Parallelizable CPU-bound Graphics Work yes Can your graphics Is your graphics work start work creation be CPU bound? parallelized? yes Vulkan friendly 9 Beneficial Vulkan Scenarios Maximizing a Graphics Platform Budget You’ll yes do whatever Your graphics start it takes to squeeze platform is fixed out max perf. yes Vulkan friendly 10 Beneficial Vulkan Scenarios Managing Predictable Performance, Free of Hitching You put yes You can a premium on manage your start avoiding graphics resource hitches allocations yes Vulkan friendly 11 Unlikely to Benefit Scenarios to Reconsider Coding to Vulkan 1. -
Khronos Data Format Specification
Khronos Data Format Specification Andrew Garrard Version 1.3.1 2020-04-03 1 / 281 Khronos Data Format Specification License Information Copyright (C) 2014-2019 The Khronos Group Inc. All Rights Reserved. This specification is protected by copyright laws and contains material proprietary to the Khronos Group, Inc. It or any components may not be reproduced, republished, distributed, transmitted, displayed, broadcast, or otherwise exploited in any manner without the express prior written permission of Khronos Group. You may use this specification for implementing the functionality therein, without altering or removing any trademark, copyright or other notice from the specification, but the receipt or possession of this specification does not convey any rights to reproduce, disclose, or distribute its contents, or to manufacture, use, or sell anything that it may describe, in whole or in part. This version of the Data Format Specification is published and copyrighted by Khronos, but is not a Khronos ratified specification. Accordingly, it does not fall within the scope of the Khronos IP policy, except to the extent that sections of it are normatively referenced in ratified Khronos specifications. Such references incorporate the referenced sections into the ratified specifications, and bring those sections into the scope of the policy for those specifications. Khronos Group grants express permission to any current Promoter, Contributor or Adopter member of Khronos to copy and redistribute UNMODIFIED versions of this specification in any fashion, provided that NO CHARGE is made for the specification and the latest available update of the specification for any version of the API is used whenever possible. -
Khronos Native Platform Graphics Interface (EGL Version 1.4 - April 6, 2011)
Khronos Native Platform Graphics Interface (EGL Version 1.4 - April 6, 2011) Editor: Jon Leech 2 Copyright (c) 2002-2011 The Khronos Group Inc. All Rights Reserved. This specification is protected by copyright laws and contains material proprietary to the Khronos Group, Inc. It or any components may not be reproduced, repub- lished, distributed, transmitted, displayed, broadcast or otherwise exploited in any manner without the express prior written permission of Khronos Group. You may use this specification for implementing the functionality therein, without altering or removing any trademark, copyright or other notice from the specification, but the receipt or possession of this specification does not convey any rights to reproduce, disclose, or distribute its contents, or to manufacture, use, or sell anything that it may describe, in whole or in part. Khronos Group grants express permission to any current Promoter, Contributor or Adopter member of Khronos to copy and redistribute UNMODIFIED versions of this specification in any fashion, provided that NO CHARGE is made for the specification and the latest available update of the specification for any version of the API is used whenever possible. Such distributed specification may be re- formatted AS LONG AS the contents of the specification are not changed in any way. The specification may be incorporated into a product that is sold as long as such product includes significant independent work developed by the seller. A link to the current version of this specification on the Khronos Group web-site should be included whenever possible with specification distributions. Khronos Group makes no, and expressly disclaims any, representations or war- ranties, express or implied, regarding this specification, including, without limita- tion, any implied warranties of merchantability or fitness for a particular purpose or non-infringement of any intellectual property. -
The Openvx™ Specification
The OpenVX™ Specification Version 1.0.1 Document Revision: r31169 Generated on Wed May 13 2015 08:41:43 Khronos Vision Working Group Editor: Susheel Gautam Editor: Erik Rainey Copyright ©2014 The Khronos Group Inc. i Copyright ©2014 The Khronos Group Inc. All Rights Reserved. This specification is protected by copyright laws and contains material proprietary to the Khronos Group, Inc. It or any components may not be reproduced, republished, distributed, transmitted, displayed, broadcast or otherwise exploited in any manner without the express prior written permission of Khronos Group. You may use this specifica- tion for implementing the functionality therein, without altering or removing any trademark, copyright or other notice from the specification, but the receipt or possession of this specification does not convey any rights to reproduce, disclose, or distribute its contents, or to manufacture, use, or sell anything that it may describe, in whole or in part. Khronos Group grants express permission to any current Promoter, Contributor or Adopter member of Khronos to copy and redistribute UNMODIFIED versions of this specification in any fashion, provided that NO CHARGE is made for the specification and the latest available update of the specification for any version of the API is used whenever possible. Such distributed specification may be re-formatted AS LONG AS the contents of the specifi- cation are not changed in any way. The specification may be incorporated into a product that is sold as long as such product includes significant independent work developed by the seller. A link to the current version of this specification on the Khronos Group web-site should be included whenever possible with specification distributions.