Expand description
GPU post-processing pipeline: bloom, chromatic aberration, film grain, vignette, scanlines.
Pipeline:
- Glyphs render into scene FBO (2 color attachments: color + emission)
- Emission texture → horizontal Gaussian blur → bloom_tex[0]
- bloom_tex[0] → vertical Gaussian blur → bloom_tex[1]
- (extra pass for softer bloom)
- Composite: scene_color + bloom + chromatic aberration + grain + vignette → screen