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GLSL Programming

OpenGL Shading Language

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 Fog with GLSL
  Fog implementation using GLSL - Use of gl_FogFragCoord, gl_FragCoord, gl_FogCoord and gl_Fog variables.

 How to bypass a Catalyst 7.11/7.12 GLSL Bug
  This article shows a workaround of a GLSL bug present in the Catalyst drivers 7.11 and 7.12.

 Mesh Deformers
  Two examples of mesh deformers using the GPU: surface deformer and mesh twister.

 The Art of Texturing using the GLSL
  This tutorial shows the common techniques of texturing and their implementation with GLSL (simple and multtexturing, sphere mapping, dual paraboloid mapping, cube mapping, texture warping, projective texture mapping).

 Vertex Displacement Mapping
  Explanation of the vertex displacement mapping technique to deform a mesh using a texture look up from a vertex shader.

 Normal-Map Compression
  The problem of normal-map (or bump-map) compression and how to solve it (renormalization - swizzled-DXT5 - ATI 3Dc).

 Lighting in GLSL - Phong Model
  This article presents the Phong lighting model and its implementation in GLSL for point and spot lights.

 The Mandelbrot Set: Colors of Infinity
  Theory and implementation on GPU with GLSL of Mandelbrot fractal rendering. Introduction to GPGPU.

 Image Filtering
  Image filtering and GLSL filters implementation (convolution kernels).

 Ambient Occlusion Lighting
  Présentation of ambient occlusion lighting technique. Occlusion-maps creation. Ambient occlusion GLSL shader.

 Bump Mapping
  Bump mapping implementation using GLSL shader. Lighting equations. Tangent space.

  Presentation and creation of normal-maps (or bump-maps).

 S3TC Texture Compression
  Texture compression (S3TC - DXT1/5) and how use it in Demoniak3D.

 Introduction to GLSL
  This tutorial presents the basis about GLSL shading language. GLSL shader integration into Demoniak3D.

GeeXLab demos

GLSL - Mesh exploder

PhysX 3 cloth demo

Normal visualizer with GS

Compute Shaders test on Radeon

Raymarching in GLSL

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