Department of Applied Informatics

Real-time computer graphics

This course ...

• Will focus on visualization of 3D scenes [1] [2]
• Will show you what are the current topics
• Will improve your skills in
  • OpenGL
  • Computational geometry
  • Algorithms and data structures

What you Need to Pass

• Show your project (50% min. 25%).
  • Project specification template: RTGProjektSpecifikacia.doc
  • For video recording you can use: https://obsproject.com/
• Pass oral exam: (50%, min. 25%).

• Grades
  • A = 91-100
  • B = 81-90
  • C = 71-80
  • D = 61-70
  • E = 51-60
  • Fx = 0-50

LESSONS

Lesson00 "Introduction to Computer Graphics"

• Introduction to Computer Graphics
• Common techniques
• Cutting edge tools and packages
• State of the Art
  • Volumetric particle shadows [3]
  • Evolution of Amd and Ati graphics cards [4] [5]
  • Evolution of graphics from NVIDIA [6] [7]
  • PhysX [8]
• Course schedule
• "Terms and conditions" of this course
• Lecture notes: Lecture0.pdf

Lesson01 "Graphics Pipeline, Shaders"

• OpenGL Graphics Pipeline [9]
• Shader languages
• GLSL – vertex, fragment
• Passing variables
• Lecture notes: Lecture1.pdf

Lesson02 "Buffer Objects, FBO"

• Vertex arrays [10]
• Buffer object data
• Vertex Buffer Objects [11]
• Pixel Buffer Objects [12]
• Rendering to texture
• Deferred lighting [13]
• Lecture notes: Lecture2.pdf

Lesson03 "Lighting, Texturing"

• Rendering equation
• Phong local illumination
• Oren-Nayar model
• Cook-Torrance model
• Texture filtering [14] [15]
• Bump mapping
• Lecture notes: Lecture3.pdf

Lesson04 "Global Illumination"

• Ambient occlusion [16]
• Distance attenuation
• Ray tracing [17]
• Depth buffer masking
• Lecture notes: Lecture4.pdf

Lesson05 "Shadows"

• Shadows generation
• Light maps
• Planar shadows
• Projective shadows
• Shadow mapping [18]
• Shadow volumes
• Lecture notes: Lecture5.pdf

Lesson06 "Reflections, Refractions"

• Blending
• Fresnel reflectance
• Environment mapping
• Water rendering [19] [20] [21][22]
• Caustics [23]
• Subsurface scattering
• Lecture notes: Lecture6.pdf

Lesson07 "Post-Processing"

• Depth of Field
• Gaussian blur
• Motion blur
• Glow
• High Dynamic Range
• Tone mapping
• Lecture notes: Lecture7.pdf

Lesson08 "Geometry Optimalization"

• Reducing geometry
• Back-face culling
• Occlusion culling
• Levels of Detail
• Texture atlas
• Lecture notes: Lecture8.pdf

Lesson09 "GPGPU"

• SIMD
• CUDA [24] [25]
• Shared memory
• OpenCL
• Compute shaders [26]

• Lecture notes: Lecture9.pdf

Lesson10 "GPU Volume Graphics"

• Volume Data
• Transfer Function
• Marching Cubes
• 3D Textures
• Multi-textures
• Ray-casting
• Lecture notes: Lecture10.pdf

EXCERCISES

• On every seminar we will focus on the selected problems from lessons. We will use programming tools to perform real-time computer graphics algorithms.
• Tutorials:
  • http://www.lighthouse3d.com
  • http://antongerdelan.net/opengl/
• Libraries:
  • https://www.opengl.org/resources/libraries/glut/
  • http://openil.sourceforge.net/
  • http://glew.sourceforge.net/
  • http://gnuwin32.sourceforge.net/packages/freetype.htm
  • http://assimp.sourceforge.net/
  • Example:
    • example.zip

Excercise00 "Základný projekt”

• Základný projekt: cv0.rar
• Práca s knižnicami GLUT a GLEW

Témy: pridajte svetlo do scény a shader programu

Excercise01 "Texturing and Lighting”

• Texture in OpenGL [27]
• Diffuse Lighting [28]

Assignment: create a textured cube and implement the diffuse lighting in the shader program: cv01.zip

Excercise02 "GLSL 4.00.9”

• Transformation matrices
• Animation
• VBO [29]

Assignment: Create VBO and implement shader programs using GLSL 4.00.9: cv2.zip

Excercise03 "OBJECT LOADING”

• Projection and Model-view Matrices
• Assimp Library
• Specular Lighting

Assignment: Load object and textue. Create VBO and implement specular light shader programs using GLSL: cv03.zip

HOMEWORK (28.3.):

• load 3 objects
• create point light source
• add a texture

Excercise04 "Geometry Shader”

• Z buffer
• Geometry Shader [30][31]

Assignment : Implement shader program that creates a tetrahedron: cv04.zip

Excercise05 "Tessellation”

• Tessellation control shader [32]
• Tessellation evaluation shader

Témy: napíšte control a evaluation shader ktorý prerozdelí trojuholník: cv05.zip

Excercise06 "Shadow Mapping”

• Render To Texture [33]
• FBO [34]

Témy: nastavte kameru z pohľadu svetla a zobrazte tieň: cv7.zip

Excercise07 "Ambient Occlusion”

• Render to Depth Texture
• Ambient Occlusion

Témy: nastavte shader program na zobrazenie efektu ambient occlusion: Cv07.zip

HOMEWORK (25.4.):

• add camera movements
• animate at least one object

OUTDATED:

Excercise01 "Animácia”

• Transformácia objektov
• Animácia, matice

Témy: cvičenie transformácie v shader programe: cv1.rar

Excercise02 "GLSL 4.00.9”

• Transformácia objektov
• Animácia, matice
• VBO [35]

Témy: prepíšte predchádzajúce cvičenie do GLSL 4.00.9: cv2.zip

Excercise03 "Geometry Shader”

• Z buffer
• Geometry Shader [36][37]

Témy: napíšte geometry shader ktorý vytvorí z trojuholníka štvorsten: cv3.zip

Excercise04 "Tessellation”

• Tessellation control shader [38]
• Tessellation evaluation shader

Témy: napíšte control a evaluation shader ktorý prerozdelí trojuholník: cv4.zip

Excercise05 "Motion Blur”

• Screen space motion blur
• Framebuffer Object [39][40]

Témy: napíšte shader ktorý vytvorí efekt "motion blur": cv5.zip

Excercise06 "Projekcia”

• Projekčná matica [41][42]
• Zobrazenie modelu

Témy: nastavte kameru a zobrazte scénu: cv6.zip

Excercise07 "Shadow Mapping”

• Hĺbková textúra
• Tieň

Témy: nastavte kameru z pohľadu svetla a zobrazte tieň: cv7.zip

Excercise08 "Ambient Occlusion”

• Hĺbková textúra
• Ambient Occlusion

Témy: nastavte shader program na zobrazenie efektu ambient occlusion: cv8.zip

Excercise09 "Post-processing”

• Post-processing
• Glow

Témy: nastavte shader program na zobrazenie glow efektu: cv9.zip