GLSL uniform values conversion table

uniforms.md

GLSL uniform values conversion table

This is a conversion table for uniform values on these websites / environments.

• Shadertoy
• GLSL Sandbox
• The book of shaders
• Kodelife
• filters
• ISF

Requests welcome!

Uniforms

-	Shadertoy	GLSL Sandbox	The book of shaders	Kodelife	filters	ISF
Current time	float iGlobalTime	float time	float u_time	float time	float iTime	float TIME
sec / fps	float iTimeDelta	-	-	-	-	float TIMEDELTA
Frame count	int iFrame	-	-	-	-	int FRAMEINDEX
Channel time	float iChannelTime[4]	-	-	-	-	-
Channel resolution	vec3 iChannelResolution[4]	-	-	-	-	-
Mouse position	vec4 iMouse	vec2 mouse	vec2 u_mouse	vec2 mouse	-	-
Canvas size	vec2 iResolution	vec2 resolution	vec2 u_resolution	vec2 resolution	vec2 iResolution	-
Actual canvas size	-	vec2 surfaceSize	-	-	-	-
Fragment position	vec2 fragCoord	vec4 gl\_FragCoord	vec4 gl\_FragCoord	-	vec2 iScreen ((0,0) to (1,1))	vec2 isf_FragNormCoord ((0,0) to (1,1))
Channel inputs	sampler2D iChannel0..3	-	-	-	-	-
Channel inputs	samplerCube iChannel0..3	-	-	-	-	-
Date	vec4 iDate (Y,M,D,s)	-	-	-	-	vec4 DATE (Y,M,D,s)
Sample rate of sound	float iSampleRate	-	-	-	-	-
Last frame	-	sampler2D backbuffer	-	-	-	-
Camera input	-	-	-	-	sampler2D iCamera	-
Scroll position	-	-	-	-	float iPosition	-
Pinched size	-	-	-	-	float iSize	-
Sound spectrum	-	-	-	vec3 spectrum	-	-
Current pass	-	-	-	-	-	int PASSINDEX
Pass size	-	-	-	-	-	int RENDERSIZE

Output

Shadertoy	GLSL Sandbox	The book of shader	Kodelife	filters	ISF
vec4 fragColor	vec4 gl_FragColor	vec4 gl_FragColor	vec4 fragColor	vec4 gl_FragColor	vec4 gl_FragColor

also Shadertoy now has iTime.. this is a useful list!