Project 5: Akshay Shah

[aksris]

• Repo link
• shahak
• Deferred Blinn-Phong shading with normal mapping
  • Using clamp(1.0 - light_distance * light_distance / (u_lightRad * u_lightRad), 0.0, 1.0) as attenuation model for point lights
• Bloom post-processing effect with two-pass Gaussian blur using three steps
  • two-pass Gaussian blur using separable convolution (vertical then horizontal)
  • implemented efficient gaussian blur with linear sampling [NEW]
• Scissor test for lighting: when accumulating shading from each point light source, only render in a rectangle around the light.
  • Improved screen-space AABB for scissor test
• Optimized g-buffer format - reduced the number and size of g-buffers:
  • Reduce number of properties passed via g-buffer, by:
    • Applying the normal map in the copy shader pass instead of copying both geometry normals and normal maps
• Toon shading (ramp shader + simple edge detection)
• Implemented a sobel edge filter