Growing a Language for Graphics
summary
Shows a working WebGL visualization of Obama’s “four more years” tweet and other projects that use WebGL plus 2D textures to map geolocated tweets, explaining the pipeline: buffer of XYZ points, GLSL vertex and fragment shaders that run on the GPU, triangle assembly and rasterization. Argues JavaScript needs extensible numeric/vector types and operator overloading, traces proposals from ES4 (2007) through proxies (2010), and notes after seven years there is still no consensus on value objects and operator overloading.
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chapters (11)
- 0:00Start
- 3:18WebGL - Pipeline
- 4:03WebGL - API
- 5:51GLSL & JS Simple interpolation
- 9:59Generic Functions ES4 draft
- 10:27Generic Functions Dynamic Dispatch - How does it work? Java does not have dynamic dispatch in its method arguments
- 11:08Generic Functions Dynamic Dispatch - How does it work? But what happens with "instances"?
- 12:56Double Dispatch Same principle as Smalltalk
- 14:23Double Dispatch Problems on extensibility
- 15:21Value Types
- 15:40Value Proxies Proxies
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