Department of Applied Informatics

Real-time computer graphics

This course ...

• Will focus on visualization of 3D scenes [1]
• 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 (70% min. 35%).
  • Project specification template: RTGProjektSpecifikacia.doc
  • For video recording you can use: https://obsproject.com/
• Pass oral exam: (30%, min.15%).

• 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 [2]
  • Evolution of Amd and Ati graphics cards [3] [4]
  • Evolution of graphics from NVIDIA [5] [6]
  • PhysX [7]
• Course schedule
• "Terms and conditions" of this course
• Lecture notes: Lecture0.pdf

Lesson01 "Graphics Pipeline, Shaders"

• OpenGL Graphics Pipeline [8]
• Shader languages
• GLSL – vertex, fragment
• Passing variables
• Unified architecture [9]
• 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][14]
• Lecture notes: Lecture2.pdf

Lesson03 "Lighting, Texturing"

• Rendering equation
• Phong local illumination
• Oren-Nayar model
• Cook-Torrance model
• Texture filtering [15] [16] [17]
• Bump mapping [18]
• Lecture notes: Lecture3.pdf

Lesson04 "Global Illumination"

• Ambient occlusion [19]
• Distance attenuation
• Ray tracing [20]
• Depth buffer masking
• Lecture notes: Lecture4.pdf

Lesson05 "Shadows"

• Shadows generation
• Light maps
• Planar shadows
• Projective shadows
• Shadow mapping [21] [22]
• Shadow volumes
• Lecture notes: Lecture5.pdf

Lesson06 "Reflections, Refractions"

• Blending
• Fresnel reflectance
• Environment mapping
• Water rendering [23] [24] [25][26]
• Caustics [27]
• Subsurface scattering
• Lecture notes: Lecture6.pdf

Lesson07 "Post-Processing"

• Depth of Field [28]
• Gaussian blur
• Motion blur
• Glow [29]
• High Dynamic Range [30] [31]
• Tone mapping
• Lecture notes: Lecture7.pdf

Lesson08 "Geometry Optimalization"

• Frustum culling [32] [33] [34]
• Back-face culling [35]
• Occlusion culling [36]
• Tessellation [37]
• Texture atlas
• Lecture notes: Lecture8.pdf

Lesson09 "GPGPU"

• SIMD
• CUDA [38] [39]
• Shared memory
• OpenCL
• Compute shaders [40]

• 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/
  • https://www.tutorialspoint.com/webgl/index.htm
• 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 "Basic project”

• Basic project: cv0.rar
• Work with libraries GLUT and GLEW.
  • To disable the compilator errors use #pragma warning(disable:4996) and cast the char constants to pointers

Assignment: Add a light to the program.

Excercise01 "Texturing and Lighting”

• Texture in OpenGL [41]
• Diffuse Lighting [42]

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

Excercise02 "GLSL 4.00.9”

• Transformation matrices [43]
• Animation
• VBO [44]

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

Excercise03 "OBJECT LOADING”

• Projection and Model-view Matrices
• Assimp Library [45]
• Specular Lighting

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

HOMEWORK (7.4.):

• load 3 objects
• create point light source
• add a texture
  • structure draft http://yuml.me/diagram/scruffy/class/edit/%2F%2F%20Cool%20Class%20Diagram,%20%2F%2F%20------------------,%20,%20%5BScene%5D%3C%3E-*%3E%5BModel%7CVBO;Texture;Model%20Matrix%5D,%20%5BScene%5D%3C%3E-1%3E%5BCamera%7CProjection%20Matrix;%20View%20Matrix%5D,%20%5BScene%5D%3C%3E-3%3E%5BLights%7CPosition;Color%5D

Excercise04 "Geometry Shader”

• Z buffer
• Geometry Shader [46][47][48]

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

Excercise05 "Tessellation”

• Tessellation control shader [49]
• Tessellation evaluation shader

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

Excercise06 "Shadow Mapping”

• Render To Texture [50]
• FBO [51]

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

Excercise07 "Ambient Occlusion”

• Render to Depth Texture [52]
• Ambient Occlusion

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

HOMEWORK (28.4.):

• add camera movements
• animate at least one object

Excercise08 "Post-processing”

• Post-processing
• Glow

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

Excercise09 "Compute Shaders”

• Compute Shader [53] [54] [55]
• Julia set [56]

Assignment: implement Julia set image using compute shader cv10.zip