'Depth buffer' presentation slideshows

Optimized Stencil Shadow Volumes

Optimized Stencil Shadow Volumes. Cass Everitt & Mark J. Kilgard. Outline : Complete Lecture. Review of Stenciled Shadow Volumes Stenciled Shadow Volumes Optimizations More Information. Outline : Review of Stenciled Shadow Volumes. Shadow Volume Basics Zpass vs. Zfail

1.04k views • 76 slides

The Graphics Pipeline: Projective Transformations

The Graphics Pipeline: Projective Transformations. Today. Review & Schedule Ray Casting / Tracing vs. Scan Conversion The Graphics Pipeline Projective Transformations. Last Week:. Animation & Quaternions Finite Element Simulations collisions, fracture, & deformation. Schedule.

780 views • 52 slides

Introduction to OpenGL (part 2)

Introduction to OpenGL (part 2). Ref: OpenGL Programming Guide (The Red Book). Part 1 Introduction Geometry Viewing Light & Material. Part 2 Display List Alpha Channel Polygon Offset Part 3 Image Texture Mapping Part 4 FrameBuffers Selection & Feedback. Topics. OpenGL.

693 views • 45 slides

Compute-Based GPU Particle Systems Gareth Thomas Developer Technology Engineer, AMD

Compute-Based GPU Particle Systems Gareth Thomas Developer Technology Engineer, AMD. Agenda. Overview Collisions Sorting Tiled Rendering Conclusions. Overview. Why use the GPU? Highly parallel workload Free your CPU to do game code Leverage compute. Overview. Emit Simulate Sort

548 views • 36 slides

OpenGL Picking and Quaternions

OpenGL Picking and Quaternions. Project Miscellaneous Topics. Agenda. GL_SELECT picking review Alternative picking methods Based on the colour buffer Based on the depth buffer Quaternions Bonus topics Basic skybox Texture-mapped text overview Basic height-mapped terrain.

604 views • 28 slides

Harnessing the Horsepower of OpenGL ES Hardware Acceleration

Harnessing the Horsepower of OpenGL ES Hardware Acceleration. Rob Simpson, Bitboys Oy. robert.simpson@bitboys.com. Outline. Why hardware? What is in the hardware Architecture of embedded devices Tips for improving performance Future Trends. Why Hardware?. Performance

414 views • 26 slides

Computer Graphics SS 2014 Fragment Processing

389 views • 24 slides

Computer Graphics

352 views • 24 slides

Real-Time Dynamic Shadow Algorithms

350 views • 22 slides

Lecture 19 of 42

Lecture 19 of 42. Scene Graph Traversal. William H. Hsu Department of Computing and Information Sciences, KSU KSOL course pages: http://snipurl.com/1y5gc Course web site: http://www.kddresearch.org/Courses/CIS636 Instructor home page: http://www.cis.ksu.edu/~bhsu Readings:

286 views • 21 slides

CS 480/680

Fall 2011. CS 480/680. Computer Graphics Compositing and Blending. Dr. Frederick C Harris, Jr. Objectives. Learn to use the A component in RGBA color for Blending for translucent surfaces Compositing images Antialiasing. Opacity and Transparency.

340 views • 20 slides

CSC345: Advanced Graphics & Virtual Environments

CSC345: Advanced Graphics & Virtual Environments. Lecture 4: Visual Appearance Patrick Olivier p.l.olivier@ncl.ac.uk 2 nd floor in the Devonshire Building. Objectives. Refresher on simple lighting models Blending for translucent surfaces Compositing images Fog Gamma correction.

266 views • 19 slides

Real-Time Depth Buffer Based Ambient Occlusion

Real-Time Depth Buffer Based Ambient Occlusion. Miguel Sainz. Slide 1. Motivation. Ambient occlusion approximates soft outdoor lighting (sky light) It gives perceptual clues of depth, curvature, and spatial proximity Traditional methods require pre-processing (bad for dynamic scenes)

291 views • 19 slides

Background Caches for Large Outdoor Scenes

Background Caches for Large Outdoor Scenes. Bill Hess. Motivation:. Motivation:. View Frustum. Volume enclosed by 6 planes Objects outside the frustum are not drawn Back plane decides how deep the scene is. Problem: Depth Buffer. Geometry depth is stored at every pixel

291 views • 19 slides

Lighting & Material

269 views • 16 slides

GPU

GPU. Precision, Power, Programmability CPU: x60/decade, 6 GFLOPS, 6GB/sec GPU: x1000/decade, 20 GFLOPs, 25GB/sec Arithmetic heavy (read OR write): faster hardware Parallelization Multi-billion $ entertainment market drives innovation 32-bit Floating point

354 views • 12 slides

Chapter 5. Viewing

Chapter 5. Viewing. Classical and Computer Viewing Positioning of the Camera Simple Projections Projections in OpenGL Hidden-Surface Removal Walking Through a Scene Parallel-Projection Matrices Perspective-Projection Matrices Projections and Shadows. Classical and Computer Viewing (1).

362 views • 12 slides

Computer Graphics 15: More Surface Detection Methods

Computer Graphics 15: More Surface Detection Methods. Contents. Today we will continue to look at visible surface detection methods: Depth-sorting method Other methods We will also compare the different techniques we have studied and suggest when different techniques should be employed.

367 views • 11 slides

Shadow Volume

Shadow Volume. ???. Introduction. Light Position. Mesh Polygon. Shadow Polygon. Top View. Camera. Screen. Side View. Camera View. Pass 1. Clear color buffer and stencil buffer Render the scene with ambient only. Pass 2. Mask color buffer and depth buffer

267 views • 11 slides

Details of gluLookAt (eye, center, up)

- f. s. Details of gluLookAt (eye, center, up). Change of Basis (after the translation to eye ). L. L T. Equivalent to:. Modelview Matrix. Viewing Transform. Model Transform. world coordinates. OpenGL Pipeline. R 4. R 4. R 4. [-1,1] 3. R 4. Projection in OpenGL.

918 views • 10 slides