Shading Language Update

Size: px
Start display at page:

Download "Shading Language Update"

Transcription

1 3 Shading Language Update Bill Licea-Kane Copyright Khronos Group, Page 1

2 About this talk - Caveat BOFor Contributions to arb-glsl workgroup - NOT final, subject to (minor?) changes Not exhaustive - There is more stuff that will not be covered today A couple of BRIEF digressions "(and beyond)" Copyright Khronos Group, Page 2

3 OpenGL 2 Shader uniform sampler texture texture attribute varying Shader varying Instructions Data Memory Copyright Khronos Group, Page 3

4 OpenGL 3 Shader uniform in Shader out Instructions Data Memory Copyright Khronos Group, Page 4

5 OpenGL 3 Shader uniform uniform in Shader out Instructions Data Memory Copyright Khronos Group, Page 5

6 OpenGL 3 Shader (and beyond) uniform uniform uniform in Shader out Instructions Data Memory Copyright Khronos Group, Page 6

7 OpenGL 3 Shader (and beyond) uniform uniform uniform in Shader out Instructions Data Memory Copyright Khronos Group, Page 7

8 OpenGL 3 Shader (and beyond) uniform uniform uniform in in varying in varying Shader out out varying out varying Instructions Data Memory Copyright Khronos Group, Page 8

9 Language Changes OpenGL 2.0 Shading Language // existing OpenGL 3.0 Shading Language // proposed // vertex shader vertex shader text begins here and ends... // fragment shader fragment shader text begins here Copyright Khronos Group, Page 9

10 attribute / varying attribute vec4 mynormal; varying vec4 vnormal; Copyright Khronos Group, Page 10

11 attribute / varying attribute vec4 mynormal; varying vec4 vnormal; in vec4 mynormal; out vec4 vnormal; Copyright Khronos Group, Page 11

12 attribute / varying attribute vec4 mynormal; varying vec4 vnormal; in vec4 mynormal; out vec4 vnormal; inout vec4 mynormal; Copyright Khronos Group, Page 12

13 attribute / varying - nota bene // vertex shader inout vec4 mynormal; // fragment shader in vec4 mynormal; Copyright Khronos Group, Page 13

14 attribute / varying - qualifiers centroid varying vec2 mytc; // vertex shader out centroid vec2 mytc; // fragment shader in centroid vec2 mytc; Copyright Khronos Group, Page 14

15 attribute / varying - qualifiers varying vec2 mytc; // vertex shader out smooth vec2 mytc; // fragment shader in smooth vec2 mytc; Copyright Khronos Group, Page 15

16 attribute / varying - qualifiers // vertex shader out smooth vec2 mytc; out flat vec4 gl_frontcolor; // fragment shader in smooth vec2 mytc; in flat vec4 gl_color; Copyright Khronos Group, Page 16

17 qualifiers (and beyond) // vertex shader out smooth vec2 mytc; out flat float mytemperature; // fragment shader in smooth vec2 mytc; in flat float mytemperature; Copyright Khronos Group, Page 17

18 common blocks - uniform buffers common mypercontextdata { uniform mat4 MVP; uniform mat3 MVIT; uniform vec4 LightPos[3]; // ONLY uniforms, but... // no samplers // no int types // no bool types }; Copyright Khronos Group, Page 18

19 fixed function state vec4 Peye = gl_modelviewmatrix * P; // "built-in" uniforms // are convenience only // NO state tracking Copyright Khronos Group, Page 19

20 array of samplers uniform sampler2d BaseMaps[8]; // deprecated // even if hidden in a struct? Copyright Khronos Group, Page 20

21 array of samplers (and beyond) // fragment shader in flat float Map; in smooth vec2 MyTC; // uniform Sampler2D Basemaps[8]; uniform 2DArray Basemaps_; uniform Basemaps_; vec4 basecolor = texture2darray( Basemaps_, Basemaps_, vec3( mytc, Map ) ); Copyright Khronos Group, Page 21

22 preprocesor - extended ## #include Copyright Khronos Group, Page 22

23 OpenGL ES Qualifiers lowp // expect silently ignored mediump // expect silently ignored highp // expect silently ignored Copyright Khronos Group, Page 23

24 Matrix qualifiers uniform row_major mat4x3 bones[10]; Copyright Khronos Group, Page 24

25 switch switch ( myuberselector ) { case 1: // what break; case 2: // ever break; default: // whatever } Copyright Khronos Group, Page 25

26 Summary OpenGL 2 - attribute / varying - centroid varying - single uniform global scope - built-in is context state - built-in uniform state - tracked - array of samplers - preprocessor subset - no silently ignored keywords - column major only - no switch OpenGL 3 - in out inout - centroid flat smooth - global uniforms - common is context state - built-in uniform state - NOT tracked - (and beyond) texture2darray - ## and #include - ES precision qualifiers - row_major qualifier - switch Copyright Khronos Group, Page 26

27 3 Shading Language Questions? Bill Licea-Kane Copyright Khronos Group, Page 27

Lecture 5 Vertex and Fragment Shaders-1. CITS3003 Graphics & Animation

Lecture 5 Vertex and Fragment Shaders-1. CITS3003 Graphics & Animation Lecture 5 Vertex and Fragment Shaders-1 CITS3003 Graphics & Animation E. Angel and D. Shreiner: Interactive Computer Graphics 6E Addison-Wesley 2012 Objectives The rendering pipeline and the shaders Data

More information

Programming with OpenGL Part 3: Shaders. Ed Angel Professor of Emeritus of Computer Science University of New Mexico

Programming with OpenGL Part 3: Shaders. Ed Angel Professor of Emeritus of Computer Science University of New Mexico Programming with OpenGL Part 3: Shaders Ed Angel Professor of Emeritus of Computer Science University of New Mexico 1 Objectives Simple Shaders - Vertex shader - Fragment shaders Programming shaders with

More information

The Graphics Pipeline and OpenGL III: OpenGL Shading Language (GLSL 1.10)!

The Graphics Pipeline and OpenGL III: OpenGL Shading Language (GLSL 1.10)! ! The Graphics Pipeline and OpenGL III: OpenGL Shading Language (GLSL 1.10)! Gordon Wetzstein! Stanford University! EE 267 Virtual Reality! Lecture 4! stanford.edu/class/ee267/! Updates! for 24h lab access:

More information

Programming with OpenGL Shaders I. Adapted From: Ed Angel Professor of Emeritus of Computer Science University of New Mexico

Programming with OpenGL Shaders I. Adapted From: Ed Angel Professor of Emeritus of Computer Science University of New Mexico Programming with OpenGL Shaders I Adapted From: Ed Angel Professor of Emeritus of Computer Science University of New Mexico 0 Objectives Shader Basics Simple Shaders Vertex shader Fragment shaders 1 Vertex

More information

Mobile Application Programing: Android. OpenGL Operation

Mobile Application Programing: Android. OpenGL Operation Mobile Application Programing: Android OpenGL Operation Activities Apps are composed of activities Activities are self-contained tasks made up of one screen-full of information Activities start one another

More information

Programming with OpenGL Shaders I. Adapted From: Ed Angel Professor of Emeritus of Computer Science University of New Mexico

Programming with OpenGL Shaders I. Adapted From: Ed Angel Professor of Emeritus of Computer Science University of New Mexico Programming with OpenGL Shaders I Adapted From: Ed Angel Professor of Emeritus of Computer Science University of New Mexico Objectives Shader Programming Basics Simple Shaders Vertex shader Fragment shaders

More information

GLSL Introduction. Fu-Chung Huang. Thanks for materials from many other people

GLSL Introduction. Fu-Chung Huang. Thanks for materials from many other people GLSL Introduction Fu-Chung Huang Thanks for materials from many other people Programmable Shaders //per vertex inputs from main attribute aposition; attribute anormal; //outputs to frag. program varying

More information

Shader Programs. Lecture 30 Subsections 2.8.2, Robb T. Koether. Hampden-Sydney College. Wed, Nov 16, 2011

Shader Programs. Lecture 30 Subsections 2.8.2, Robb T. Koether. Hampden-Sydney College. Wed, Nov 16, 2011 Shader Programs Lecture 30 Subsections 2.8.2, 2.8.3 Robb T. Koether Hampden-Sydney College Wed, Nov 16, 2011 Robb T. Koether (Hampden-Sydney College) Shader Programs Wed, Nov 16, 2011 1 / 43 Outline 1

More information

GLSL 1: Basics. J.Tumblin-Modified SLIDES from:

GLSL 1: Basics. J.Tumblin-Modified SLIDES from: GLSL 1: Basics J.Tumblin-Modified SLIDES from: Ed Angel Professor of Computer Science, Electrical and Computer Engineering, and Media Arts Director, Arts Technology Center University of New Mexico and

More information

Mobile Application Programing: Android. OpenGL Operation

Mobile Application Programing: Android. OpenGL Operation Mobile Application Programing: Android OpenGL Operation Activities Apps are composed of activities Activities are self-contained tasks made up of one screen-full of information Activities start one another

More information

The Graphics Pipeline and OpenGL III: OpenGL Shading Language (GLSL 1.10)!

The Graphics Pipeline and OpenGL III: OpenGL Shading Language (GLSL 1.10)! ! The Graphics Pipeline and OpenGL III: OpenGL Shading Language (GLSL 1.10)! Gordon Wetzstein! Stanford University! EE 267 Virtual Reality! Lecture 4! stanford.edu/class/ee267/! Lecture Overview! Review

More information

GPU Quality and Application Portability

GPU Quality and Application Portability GPU Quality and Application Portability Kalle Raita Senior Software Architect, drawelements Copyright Khronos Group, 2010 - Page 1 drawelements Ltd. drawelements Based in Helsinki, Finland Founded in 2008

More information

Shaders CSCI 4239/5239 Advanced Computer Graphics Spring 2014

Shaders CSCI 4239/5239 Advanced Computer Graphics Spring 2014 Shaders CSCI 4239/5239 Advanced Computer Graphics Spring 2014 What is a Shader? Wikipedia: A shader is a computer program used in 3D computer graphics to determine the final surface properties of an object

More information

Mobile Application Programming: Android. OpenGL Operation

Mobile Application Programming: Android. OpenGL Operation Mobile Application Programming: Android OpenGL Operation OpenGL ES C-Based Performance-Oriented Graphics Library Wrapper libraries provided for Java, C#, etc. Produces 2D images from 2D or 3D geometric

More information

GLSL Introduction. Fu-Chung Huang. Thanks for materials from many other people

GLSL Introduction. Fu-Chung Huang. Thanks for materials from many other people GLSL Introduction Fu-Chung Huang Thanks for materials from many other people Shader Languages Currently 3 major shader languages Cg (Nvidia) HLSL (Microsoft) Derived from Cg GLSL (OpenGL) Main influences

More information

Shaders CSCI 4229/5229 Computer Graphics Fall 2017

Shaders CSCI 4229/5229 Computer Graphics Fall 2017 Shaders CSCI 4229/5229 Computer Graphics Fall 2017 What is a Shader? A shader is a computer program that runs on the GPU to calculate the properties of vertexes, pixels and other graphical processing Examples:

More information

Computer Graphics with OpenGL ES (J. Han) Chapter 6 Fragment shader

Computer Graphics with OpenGL ES (J. Han) Chapter 6 Fragment shader Computer Graphics with OpenGL ES (J. Han) Chapter 6 Fragment shader Vertex and Fragment Shaders The inputs to the fragment shader Varyings: The per-vertex output variables produced by the vertex shader

More information

The Transition from RenderMan to the OpenGL Shading Language (GLSL)

The Transition from RenderMan to the OpenGL Shading Language (GLSL) 1 The Transition from RenderMan to the OpenGL Shading Language (GLSL) Mike Bailey mjb@cs.oregonstate.edu This work is licensed under a Creative Commons Attribution-NonCommercial- NoDerivatives 4.0 International

More information

OpenGL Programmable Shaders

OpenGL Programmable Shaders h gpup 1 Topics Rendering Pipeline Shader Types OpenGL Programmable Shaders sh gpup 1 OpenGL Shader Language Basics h gpup 1 EE 4702-X Lecture Transparency. Formatted 9:03, 20 October 2014 from shaders2.

More information

Introduction to Computer Graphics. Hardware Acceleration Review

Introduction to Computer Graphics. Hardware Acceleration Review Introduction to Computer Graphics Hardware Acceleration Review OpenGL Project Setup Create a command-line style project in Xcode 4 Select the project file and click Build Phases tab Add OpenGL.framework

More information

Supplement to Lecture 22

Supplement to Lecture 22 Supplement to Lecture 22 Programmable GPUs Programmable Pipelines Introduce programmable pipelines - Vertex shaders - Fragment shaders Introduce shading languages - Needed to describe shaders - RenderMan

More information

Today. Rendering - III. Outline. Texturing: The 10,000m View. Texture Coordinates. Specifying Texture Coordinates in GL

Today. Rendering - III. Outline. Texturing: The 10,000m View. Texture Coordinates. Specifying Texture Coordinates in GL Today Rendering - III CS148, Summer 2010 Graphics Pipeline and Programmable Shaders Artist Workflow Siddhartha Chaudhuri 1 2 Outline Texturing: The 10,000m View Intro to textures The fixed-function graphics

More information

12.2 Programmable Graphics Hardware

12.2 Programmable Graphics Hardware Fall 2018 CSCI 420: Computer Graphics 12.2 Programmable Graphics Hardware Kyle Morgenroth http://cs420.hao-li.com 1 Introduction Recent major advance in real time graphics is the programmable pipeline:

More information

Lecture 13: OpenGL Shading Language (GLSL)

Lecture 13: OpenGL Shading Language (GLSL) Lecture 13: OpenGL Shading Language (GLSL) COMP 175: Computer Graphics April 18, 2018 1/56 Motivation } Last week, we discussed the many of the new tricks in Graphics require low-level access to the Graphics

More information

Mobile graphics API Overview

Mobile graphics API Overview Mobile graphics API Overview Michael Doggett Department of Computer Science Lund University 2009 Michael Doggett and Tomas Akenine-Möller 1 Register Please check to see if your name is on the list, if

More information

Programmable Graphics Hardware

Programmable Graphics Hardware CSCI 480 Computer Graphics Lecture 14 Programmable Graphics Hardware [Ch. 9] March 2, 2011 Jernej Barbic University of Southern California OpenGL Extensions Shading Languages Vertex Program Fragment Program

More information

Dave Shreiner, ARM March 2009

Dave Shreiner, ARM March 2009 4 th Annual Dave Shreiner, ARM March 2009 Copyright Khronos Group, 2009 - Page 1 Motivation - What s OpenGL ES, and what can it do for me? Overview - Lingo decoder - Overview of the OpenGL ES Pipeline

More information

EDAF80 Introduction to Computer Graphics. Seminar 3. Shaders. Michael Doggett. Slides by Carl Johan Gribel,

EDAF80 Introduction to Computer Graphics. Seminar 3. Shaders. Michael Doggett. Slides by Carl Johan Gribel, EDAF80 Introduction to Computer Graphics Seminar 3 Shaders Michael Doggett 2017 Slides by Carl Johan Gribel, 2010-13 Today OpenGL Shader Language (GLSL) Shading theory Assignment 3: (you guessed it) writing

More information

Programmable Graphics Hardware

Programmable Graphics Hardware Programmable Graphics Hardware Outline 2/ 49 A brief Introduction into Programmable Graphics Hardware Hardware Graphics Pipeline Shading Languages Tools GPGPU Resources Hardware Graphics Pipeline 3/ 49

More information

Programmable Shading. University of Texas at Austin CS354 - Computer Graphics

Programmable Shading. University of Texas at Austin CS354 - Computer Graphics Programmable Shading University of Texas at Austin CS354 - Computer Graphics Spring 2009 Don Fussell Lighting, Texturing, Shading Discussed Transformation, Texturing, and Lighting What if We could write

More information

CS 432 Interactive Computer Graphics

CS 432 Interactive Computer Graphics CS 432 Interactive Computer Graphics Lecture 2 Part 2 Introduction to Shaders Matt Burlick - Drexel University - CS 432 1 Shaders To understand shaders, let s look at the graphics pipeline again The job

More information

OpenGL Shading Language Hints/Kinks

OpenGL Shading Language Hints/Kinks OpenGL Shading Language Hints/Kinks Bill Licea-Kane AMD Copyright Khronos Group, 2011 - Page 1 OpenGL Shading Language Hints/Kinks Made in the Shade A brief WABAC Machine moment Our world is no longer

More information

The OpenGL Shading Language

The OpenGL Shading Language The OpenGL Shading Language GLSL In the previous lecture we looked at the process of loading shaders into the programmable hardware (GPU) The actual language syntax of GLSL and the principles behind it

More information

Programmable GPUs. Real Time Graphics 11/13/2013. Nalu 2004 (NVIDIA Corporation) GeForce 6. Virtua Fighter 1995 (SEGA Corporation) NV1

Programmable GPUs. Real Time Graphics 11/13/2013. Nalu 2004 (NVIDIA Corporation) GeForce 6. Virtua Fighter 1995 (SEGA Corporation) NV1 Programmable GPUs Real Time Graphics Virtua Fighter 1995 (SEGA Corporation) NV1 Dead or Alive 3 2001 (Tecmo Corporation) Xbox (NV2A) Nalu 2004 (NVIDIA Corporation) GeForce 6 Human Head 2006 (NVIDIA Corporation)

More information

OpenGL BOF Siggraph 2011

OpenGL BOF Siggraph 2011 OpenGL BOF Siggraph 2011 OpenGL BOF Agenda OpenGL 4 update Barthold Lichtenbelt, NVIDIA OpenGL Shading Language Hints/Kinks Bill Licea-Kane, AMD Ecosystem update Jon Leech, Khronos Viewperf 12, a new beginning

More information

Shader Programming 1. Examples. Vertex displacement mapping. Daniel Wesslén 1. Post-processing, animated procedural textures

Shader Programming 1. Examples. Vertex displacement mapping. Daniel Wesslén 1. Post-processing, animated procedural textures Shader Programming 1 Examples Daniel Wesslén, dwn@hig.se Per-pixel lighting Texture convolution filtering Post-processing, animated procedural textures Vertex displacement mapping Daniel Wesslén 1 Fragment

More information

OPENGL RENDERING PIPELINE

OPENGL RENDERING PIPELINE CPSC 314 03 SHADERS, OPENGL, & JS UGRAD.CS.UBC.CA/~CS314 Textbook: Appendix A* (helpful, but different version of OpenGL) Alla Sheffer Sep 2016 OPENGL RENDERING PIPELINE 1 OPENGL RENDERING PIPELINE Javascript

More information

Information Coding / Computer Graphics, ISY, LiTH GLSL. OpenGL Shading Language. Language with syntax similar to C

Information Coding / Computer Graphics, ISY, LiTH GLSL. OpenGL Shading Language. Language with syntax similar to C GLSL OpenGL Shading Language Language with syntax similar to C Syntax somewhere between C och C++ No classes. Straight ans simple code. Remarkably understandable and obvious! Avoids most of the bad things

More information

CMPS160 Shader-based OpenGL Programming. All slides originally from Prabath Gunawardane, et al. unless noted otherwise

CMPS160 Shader-based OpenGL Programming. All slides originally from Prabath Gunawardane, et al. unless noted otherwise CMPS160 Shader-based OpenGL Programming All slides originally from Prabath Gunawardane, et al. unless noted otherwise Shader gallery I Above: Demo of Microsoft s XNA game platform Right: Product demos

More information

Programmable GPUs Outline

Programmable GPUs Outline papi 1 Outline References Programmable Units Languages Programmable GPUs Outline papi 1 OpenGL Shading Language papi 1 EE 7700-1 Lecture Transparency. Formatted 11:30, 25 March 2009 from set-prog-api.

More information

2D graphics with WebGL

2D graphics with WebGL 2D graphics with WebGL Some material contained here is adapted from the book s slides. September 7, 2015 (Dr. Mihail) 2D graphics September 7, 2015 1 / 22 Graphics Pipeline (Dr. Mihail) 2D graphics September

More information

The OpenGL Shading Language

The OpenGL Shading Language The OpenGL Shading Language Language Version: 1.30 Document Revision: 08 7-Aug-2008 John Kessenich Version 1.1 Authors: John Kessenich, Dave Baldwin, Randi Rost Copyright (c) 2008 The Khronos Group Inc.

More information

Shadows. Prof. George Wolberg Dept. of Computer Science City College of New York

Shadows. Prof. George Wolberg Dept. of Computer Science City College of New York Shadows Prof. George Wolberg Dept. of Computer Science City College of New York Objectives Introduce Shadow Algorithms Expand to projective textures 2 Flashlight in the Eye Graphics When do we not see

More information

More frames per second. Alex Kan and Jean-François Roy GPU Software

More frames per second. Alex Kan and Jean-François Roy GPU Software More frames per second Alex Kan and Jean-François Roy GPU Software 2 OpenGL ES Analyzer Tuning the graphics pipeline Analyzer demo 3 Developer preview Jean-François Roy GPU Software Developer Technologies

More information

Objectives. Open GL Shading Language (GLSL)

Objectives. Open GL Shading Language (GLSL) Open GL Shading Language (GLSL) Objectives Shader applications Vertex shaders Fragment shaders Programming shaders Cg GLSL Coupling GLSL to Applications Example applications 1 Vertex Shader Applications

More information

The OpenGL Shading Language

The OpenGL Shading Language The OpenGL Shading Language Language Version: 1.30 Document Revision: 08 1-Aug-2008 John Kessenich Version 1.1 Authors: John Kessenich, Dave Baldwin, Randi Rost Changes from version 1.20 are shown in light

More information

Using SPIR-V in practice with SPIRV-Cross

Using SPIR-V in practice with SPIRV-Cross Copyright Khronos Group 2016 - Page 60 Using SPIR-V in practice with SPIRV-Cross Hans-Kristian Arntzen Engineer, ARM Copyright Khronos Group 2016 - Page 61 Contents Moving to offline compilation of SPIR-V

More information

CS770/870 Spring 2017 Open GL Shader Language GLSL

CS770/870 Spring 2017 Open GL Shader Language GLSL Preview CS770/870 Spring 2017 Open GL Shader Language GLSL Review traditional graphics pipeline CPU/GPU mixed pipeline issues Shaders GLSL graphics pipeline Based on material from Angel and Shreiner, Interactive

More information

CS770/870 Spring 2017 Open GL Shader Language GLSL

CS770/870 Spring 2017 Open GL Shader Language GLSL CS770/870 Spring 2017 Open GL Shader Language GLSL Based on material from Angel and Shreiner, Interactive Computer Graphics, 6 th Edition, Addison-Wesley, 2011 Bailey and Cunningham, Graphics Shaders 2

More information

CS 432 Interactive Computer Graphics

CS 432 Interactive Computer Graphics CS 432 Interactive Computer Graphics Lecture 7 Part 2 Texture Mapping in OpenGL Matt Burlick - Drexel University - CS 432 1 Topics Texture Mapping in OpenGL Matt Burlick - Drexel University - CS 432 2

More information

Introduction to the OpenGL Shading Language

Introduction to the OpenGL Shading Language Introduction to the OpenGL Shading Language Randi Rost Director of Developer Relations, 3Dlabs 08-Dec-2005 1 Why use graphics programmability? Graphics hardware has changed radically Fixed functionality

More information

Lecture 09: Shaders (Part 1)

Lecture 09: Shaders (Part 1) Lecture 09: Shaders (Part 1) CSE 40166 Computer Graphics Peter Bui University of Notre Dame, IN, USA November 9, 2010 OpenGL Rendering Pipeline OpenGL Rendering Pipeline (Pseudo-Code) 1 f o r gl_vertex

More information

last time put back pipeline figure today will be very codey OpenGL API library of routines to control graphics calls to compile and load shaders

last time put back pipeline figure today will be very codey OpenGL API library of routines to control graphics calls to compile and load shaders last time put back pipeline figure today will be very codey OpenGL API library of routines to control graphics calls to compile and load shaders calls to load vertex data to vertex buffers calls to load

More information

Shading Languages. Ari Silvennoinen Apri 12, 2004

Shading Languages. Ari Silvennoinen Apri 12, 2004 Shading Languages Ari Silvennoinen Apri 12, 2004 Introduction The recent trend in graphics hardware has been to replace fixed functionality in vertex and fragment processing with programmability [1], [2],

More information

Programming Graphics Hardware

Programming Graphics Hardware Programming Graphics Hardware Computer Graphics, VT 2013 Lecture 10 Johan Nysjö Centre for Image analysis Swedish University of Agricultural Sciences Uppsala University Recap: The fixed-function OpenGL

More information

OUTLINE. Implementing Texturing What Can Go Wrong and How to Fix It Mipmapping Filtering Perspective Correction

OUTLINE. Implementing Texturing What Can Go Wrong and How to Fix It Mipmapping Filtering Perspective Correction TEXTURE MAPPING 1 OUTLINE Implementing Texturing What Can Go Wrong and How to Fix It Mipmapping Filtering Perspective Correction 2 BASIC STRAGEGY Three steps to applying a texture 1. specify the texture

More information

INFOGR Computer Graphics

INFOGR Computer Graphics INFOGR Computer Graphics Jacco Bikker & Debabrata Panja - April-July 2017 Lecture 10: Shaders Welcome! INFOGR2016/17 Today s Agenda: Recap: Diffuse Materials The Phong Shading Model Environment

More information

Introduction to OpenGL ES 3.0

Introduction to OpenGL ES 3.0 Introduction to OpenGL ES 3.0 Eisaku Ohbuchi Digital Media Professionals Inc. 2012 Digital Media Professionals Inc. All rights reserved. 12/Sep/2012 Page 1 Agenda DMP overview (quick!) OpenGL ES 3.0 update

More information

CPSC 436D Video Game Programming

CPSC 436D Video Game Programming CPSC 436D Video Game Programming OpenGL/Shaders Opengl RENDERING PIPELINE Copyright: Alla Sheffer 1 Opengl RENDERING PIPELINE C/C++ OpenGL GLSL (automatic) (automatic) GLSL (automatic) opengl Low-level

More information

GLSL Language Details

GLSL Language Details GLSL Language Details 41 Design Focus Based on syntax of ANSI C Some additions to support graphics functionality Some additions from C++ Some differences for a cleaner language design December 9, 2005

More information

Design Focus. GLSL Language Details. Additions from C++ Additions for Graphics

Design Focus. GLSL Language Details. Additions from C++ Additions for Graphics GLSL Language Details Design Focus Based on syntax of ANSI C Some additions to support graphics functionality Some additions from C++ Some differences for a cleaner language design 41 December 9, 2005

More information

Some advantages come from the limited environment! No classes. Stranight ans simple code. Remarkably. Avoids most of the bad things with C/C++.

Some advantages come from the limited environment! No classes. Stranight ans simple code. Remarkably. Avoids most of the bad things with C/C++. GLSL OpenGL Shading Language Language with syntax similar to C Syntax somewhere between C och C++ No classes. Stranight ans simple code. Remarkably understandable and obvious! Avoids most of the bad things

More information

CGT520 Lighting. Lighting. T-vertices. Normal vector. Color of an object can be specified 1) Explicitly as a color buffer

CGT520 Lighting. Lighting. T-vertices. Normal vector. Color of an object can be specified 1) Explicitly as a color buffer CGT520 Lighting Lighting Color of an object can be specified 1) Explicitly as a color buffer Bedrich Benes, Ph.D. Purdue University Department of Computer Graphics 2) Implicitly from the illumination model.

More information

CMPS160 Shader-based OpenGL Programming

CMPS160 Shader-based OpenGL Programming CMPS160 Shader-based OpenGL Programming Shader gallery I Above: Demo of Microsoft s XNA game platform Right: Product demos by nvidia (top) and Radeon (bottom) Shader gallery II Above: Kevin Boulanger (PhD

More information

Advanced Graphics. The Shader knows. Alex Benton, University of Cambridge Supported in part by Google UK, Ltd

Advanced Graphics. The Shader knows. Alex Benton, University of Cambridge Supported in part by Google UK, Ltd Advanced Graphics The Shader knows Alex Benton, University of Cambridge A.Benton@damtp.cam.ac.uk Supported in part by Google UK, Ltd What is the shader? Local space World space Viewing space Local space

More information

Mention driver developers in the room. Because of time this will be fairly high level, feel free to come talk to us afterwards

Mention driver developers in the room. Because of time this will be fairly high level, feel free to come talk to us afterwards 1 Introduce Mark, Michael Poll: Who is a software developer or works for a software company? Who s in management? Who knows what the OpenGL ARB standards body is? Mention driver developers in the room.

More information

Copyright Khronos Group 2012 Page 1. Teaching GL. Dave Shreiner Director, Graphics and GPU Computing, ARM 1 December 2012

Copyright Khronos Group 2012 Page 1. Teaching GL. Dave Shreiner Director, Graphics and GPU Computing, ARM 1 December 2012 Copyright Khronos Group 2012 Page 1 Teaching GL Dave Shreiner Director, Graphics and GPU Computing, ARM 1 December 2012 Copyright Khronos Group 2012 Page 2 Agenda Overview of OpenGL family of APIs Comparison

More information

CSE 167: Introduction to Computer Graphics Lecture #13: GLSL. Jürgen P. Schulze, Ph.D. University of California, San Diego Fall Quarter 2015

CSE 167: Introduction to Computer Graphics Lecture #13: GLSL. Jürgen P. Schulze, Ph.D. University of California, San Diego Fall Quarter 2015 CSE 167: Introduction to Computer Graphics Lecture #13: GLSL Jürgen P. Schulze, Ph.D. University of California, San Diego Fall Quarter 2015 Announcements Project 6 due Friday Next Thursday: Midterm #2

More information

Geometry Shaders. And how to use them

Geometry Shaders. And how to use them Geometry Shaders And how to use them OpenGL Pipeline (part of it) Vertex data Vertex shader Vertices Primitives Geometry shader Primitives Fragments Fragment shader Color Depth Stencil Vertex Data Attributes

More information

CSE 4431/ M Advanced Topics in 3D Computer Graphics. TA: Margarita Vinnikov

CSE 4431/ M Advanced Topics in 3D Computer Graphics. TA: Margarita Vinnikov CSE 4431/5331.03M Advanced Topics in 3D Computer Graphics TA: Margarita Vinnikov mvinni@cse.yorku.ca The OpenGL 4.x pipeline 2 new Programmable stages Tessellation Control Shader(GL_TESS_CONTROL_SHADER)

More information

Illumination and Shading with GLSL/WebGL

Illumination and Shading with GLSL/WebGL Illumination and Shading with GLSL/WebGL Illumination with Shaders! Remember the local illumination model (Phong illumination) Illumination = ambient + diffuse + specular = Ka x Ia + Kd x Id x (N.L) +

More information

INFOGR Computer Graphics

INFOGR Computer Graphics INFOGR Computer Graphics Jacco Bikker & Debabrata Panja - April-July 2018 Lecture 10: Shaders Welcome! Ƹ Ƹ Ƹ x M final = T totorso R T down R = x y z 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 Operations: 1. Translate

More information

Computer Graphics (CS 543) Lecture 8a: Per-Vertex lighting, Shading and Per-Fragment lighting

Computer Graphics (CS 543) Lecture 8a: Per-Vertex lighting, Shading and Per-Fragment lighting Computer Graphics (CS 543) Lecture 8a: Per-Vertex lighting, Shading and Per-Fragment lighting Prof Emmanuel Agu Computer Science Dept. Worcester Polytechnic Institute (WPI) Computation of Vectors To calculate

More information

C P S C 314 S H A D E R S, O P E N G L, & J S RENDERING PIPELINE. Mikhail Bessmeltsev

C P S C 314 S H A D E R S, O P E N G L, & J S RENDERING PIPELINE. Mikhail Bessmeltsev C P S C 314 S H A D E R S, O P E N G L, & J S RENDERING PIPELINE UGRAD.CS.UBC.C A/~CS314 Mikhail Bessmeltsev 1 WHAT IS RENDERING? Generating image from a 3D scene 2 WHAT IS RENDERING? Generating image

More information

GPU Programming EE Final Examination

GPU Programming EE Final Examination Name GPU Programming EE 4702-1 Final Examination Tuesday, 5 December 2017 12:30 14:30 CST Alias Problem 1 Problem 2 Problem 3 Problem 4 Exam Total (15 pts) (20 pts) (30 pts) (35 pts) (100 pts) Good Luck!

More information

Computer Graphics Coursework 1

Computer Graphics Coursework 1 Computer Graphics Coursework 1 Deadline Deadline: 4pm, 24/10/2016 4pm 23/10/2015 Outline The aim of the coursework is to modify the vertex and fragment shaders in the provided OpenGL framework to implement

More information

Blis: Better Language for Image Stuff Project Proposal Programming Languages and Translators, Spring 2017

Blis: Better Language for Image Stuff Project Proposal Programming Languages and Translators, Spring 2017 Blis: Better Language for Image Stuff Project Proposal Programming Languages and Translators, Spring 2017 Abbott, Connor (cwa2112) Pan, Wendy (wp2213) Qinami, Klint (kq2129) Vaccaro, Jason (jhv2111) [System

More information

OpenGL ES 2.0 : Start Developing Now. Dan Ginsburg Advanced Micro Devices, Inc.

OpenGL ES 2.0 : Start Developing Now. Dan Ginsburg Advanced Micro Devices, Inc. OpenGL ES 2.0 : Start Developing Now Dan Ginsburg Advanced Micro Devices, Inc. Agenda OpenGL ES 2.0 Brief Overview Tools OpenGL ES 2.0 Emulator RenderMonkey w/ OES 2.0 Support OpenGL ES 2.0 3D Engine Case

More information

GLSL Programming. Nicolas Holzschuch

GLSL Programming. Nicolas Holzschuch GLSL Programming Nicolas Holzschuch GLSL programming C-like language structure: int i, j; i = 2; j = 0; j += i; Functions, loops, branches... Reading your first GSL shader is easy Differences with C New

More information

Lighting and Shading II. Angel and Shreiner: Interactive Computer Graphics 7E Addison-Wesley 2015

Lighting and Shading II. Angel and Shreiner: Interactive Computer Graphics 7E Addison-Wesley 2015 Lighting and Shading II 1 Objectives Continue discussion of shading Introduce modified Phong model Consider computation of required vectors 2 Ambient Light Ambient light is the result of multiple interactions

More information

Comp 410/510 Computer Graphics Spring Programming with OpenGL Part 3: Shaders

Comp 410/510 Computer Graphics Spring Programming with OpenGL Part 3: Shaders Comp 410/510 Computer Graphics Spring 2018 Programming with OpenGL Part 3: Shaders Objectives Basic shaders - Vertex shader - Fragment shader Programming shaders with GLSL Finish first program void init(void)

More information

Today s Agenda. Shaders fundamentals. Programming with shader-based OpenGL

Today s Agenda. Shaders fundamentals. Programming with shader-based OpenGL Today s Agenda Shaders fundamentals Programming with shader-based OpenGL Shaders Like a function call data are passed in, processed, and passed back out -- Shreiner et al, OpenGL Programming Guide GLSL

More information

Information Coding / Computer Graphics, ISY, LiTH GLSL. OpenGL Shading Language. Language with syntax similar to C

Information Coding / Computer Graphics, ISY, LiTH GLSL. OpenGL Shading Language. Language with syntax similar to C GLSL OpenGL Shading Language Language with syntax similar to C Syntax somewhere between C och C++ No classes. Straight ans simple code. Remarkably understandable and obvious! Avoids most of the bad things

More information

The OpenGL Shading Language

The OpenGL Shading Language The OpenGL Shading Language Language Version: 4.40 Document Revision: 8 22-Jan-2014 Editor: John Kessenich, LunarG Version 1.1 Authors: John Kessenich, Dave Baldwin, Randi Rost Copyright (c) 2008-2014

More information

Introduction to Shaders.

Introduction to Shaders. Introduction to Shaders Marco Benvegnù hiforce@gmx.it www.benve.org Summer 2005 Overview Rendering pipeline Shaders concepts Shading Languages Shading Tools Effects showcase Setup of a Shader in OpenGL

More information

WebGL and GLSL Basics. CS559 Fall 2015 Lecture 10 October 6, 2015

WebGL and GLSL Basics. CS559 Fall 2015 Lecture 10 October 6, 2015 WebGL and GLSL Basics CS559 Fall 2015 Lecture 10 October 6, 2015 Last time Hardware Rasterization For each point: Compute barycentric coords Decide if in or out.7,.7, -.4 1.1, 0, -.1.9,.05,.05.33,.33,.33

More information

An Overview GLUT GLSL GLEW

An Overview GLUT GLSL GLEW OpenGL, GLUT, GLEW, GLSL An Overview GLUT GLEW GLSL Objectives Give you an overview of the software that you will be using this semester OpenGL, GLUT, GLEW, GLSL What are they? How do you use them? What

More information

CS195V Week 3. GLSL Programming

CS195V Week 3. GLSL Programming CS195V Week 3 GLSL Programming Differences in OpenGL and GLSL 4.x A lot of changes made to GLSL 4.x spec (see: http://www. opengl.org/registry/doc/glslangspec.4.00.8.clean.pdf) CS123 used OpenGL 2.x and

More information

Computergraphics Exercise 15/ Shading & Texturing

Computergraphics Exercise 15/ Shading & Texturing Computergraphics Exercise 15/16 3. Shading & Texturing Jakob Wagner for internal use only Shaders Vertex Specification define vertex format & data in model space Vertex Processing transform to clip space

More information

Why modern versions of OpenGL should be used Some useful API commands and extensions

Why modern versions of OpenGL should be used Some useful API commands and extensions Michał Radziszewski Why modern versions of OpenGL should be used Some useful API commands and extensions Timer Query EXT Direct State Access (DSA) Geometry Programs Position in pipeline Rendering wireframe

More information

Programming shaders & GPUs Christian Miller CS Fall 2011

Programming shaders & GPUs Christian Miller CS Fall 2011 Programming shaders & GPUs Christian Miller CS 354 - Fall 2011 Fixed-function vs. programmable Up until 2001, graphics cards implemented the whole pipeline for you Fixed functionality but configurable

More information

The OpenGL Shading Language

The OpenGL Shading Language The OpenGL Shading Language Language Version: 4.20 Document Revision: 8 2-Sept-2011 Editor: John Kessenich Version 1.1 Authors: John Kessenich, Dave Baldwin, Randi Rost Copyright (c) 2008-2011 The Khronos

More information

Lecture 17: Shading in OpenGL. CITS3003 Graphics & Animation

Lecture 17: Shading in OpenGL. CITS3003 Graphics & Animation Lecture 17: Shading in OpenGL CITS3003 Graphics & Animation E. Angel and D. Shreiner: Interactive Computer Graphics 6E Addison-Wesley 2012 Objectives Introduce the OpenGL shading methods - per vertex shading

More information

GPU Programming EE Final Examination

GPU Programming EE Final Examination Name GPU Programming EE 4702-1 Final Examination Tuesday, 9 December 2014 7:30 9:30 CST Alias Problem 1 Problem 2 Problem 3 Problem 4 Problem 5 Exam Total (20 pts) (15 pts) (20 pts) (20 pts) (25 pts) (100

More information

GDC 2014 Barthold Lichtenbelt OpenGL ARB chair

GDC 2014 Barthold Lichtenbelt OpenGL ARB chair GDC 2014 Barthold Lichtenbelt OpenGL ARB chair Agenda OpenGL 4.4, news and updates - Barthold Lichtenbelt, NVIDIA Low Overhead Rendering with OpenGL - Cass Everitt, NVIDIA Copyright Khronos Group, 2010

More information

Graphics Programming. Computer Graphics, VT 2016 Lecture 2, Chapter 2. Fredrik Nysjö Centre for Image analysis Uppsala University

Graphics Programming. Computer Graphics, VT 2016 Lecture 2, Chapter 2. Fredrik Nysjö Centre for Image analysis Uppsala University Graphics Programming Computer Graphics, VT 2016 Lecture 2, Chapter 2 Fredrik Nysjö Centre for Image analysis Uppsala University Graphics programming Typically deals with How to define a 3D scene with a

More information

Engine Development & Support Team Lead for Korea UE4 Mobile Team Lead

Engine Development & Support Team Lead for Korea UE4 Mobile Team Lead Jack Porter Engine Development & Support Team Lead for Korea UE4 Mobile Team Lead I ve worked on Unreal Engine development since 1998! Contributed to Unreal Tournament & Gears of War series Introduction

More information

The Basic Computer Graphics Pipeline, OpenGL-style. Introduction to the OpenGL Shading Language (GLSL)

The Basic Computer Graphics Pipeline, OpenGL-style. Introduction to the OpenGL Shading Language (GLSL) Introduction to the OpenGL Shading Language (GLSL) 1 The Basic Pipeline, OpenGL-style Vertex, Normal, Color ModelViewMatrix, ProjectionMatrix, ModelViewProjectionMatrix 2 MC Model WC View Per-vertex Projection

More information

Shader Programming. Daniel Wesslén, Stefan Seipel, Examples

Shader Programming. Daniel Wesslén, Stefan Seipel, Examples Shader Programming Daniel Wesslén, dwn@hig.se Stefan Seipel, ssl@hig.se Examples 1 Per-pixel lighting Texture convolution filtering 2 Post-processing, animated procedural textures Vertex displacement mapping

More information

CSE 167: Lecture #8: GLSL. Jürgen P. Schulze, Ph.D. University of California, San Diego Fall Quarter 2012

CSE 167: Lecture #8: GLSL. Jürgen P. Schulze, Ph.D. University of California, San Diego Fall Quarter 2012 CSE 167: Introduction to Computer Graphics Lecture #8: GLSL Jürgen P. Schulze, Ph.D. University of California, San Diego Fall Quarter 2012 Announcements Homework project #4 due Friday, November 2 nd Introduction:

More information