GLSL

GLSL (OpenGL Shading Language) is the shader language for OpenGL and WebGL: small programs that run on the GPU to compute colors, lighting and visual effects per pixel and per vertex. Essential in 3D graphics and games.

• Creado por OpenGL ARB
• Año 2004
• Paradigma: Shaders · parallel (GPU)
• Extensiones: .glsl, .vert, .frag

Para qué se usa

• 3D graphics
• Visual effects
• Games and WebGL

A favor

• Runs on the GPU
• Powerful visual effects
• Standard in OpenGL/WebGL

En contra

• Shaders only
• Hard to debug
• Parallel mindset

Ecosistema

• OpenGL
• WebGL
• Shadertoy
• GLSL Sandbox

Ejemplo

void main() {
  gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
}