Heron v2 Specification (Beta)

This is a specification for version 2 of Heron.

Heron Primitive Types

The following are the built-in types for Heron

float
float2
float3
float4
int
int2
int3
int4
bool
bool2
bool3
bool4
float2x2
float3x3
float4x4

Operators

() + - ! * / % < > <= >= == != && ||

Comments

// /* */

Control Flow Statements

if else for return break continue while

Differences from the GLSL ES used in WebGL

Type names are different
Functions don't have to be pre-declared.
Functions and variables can have the same namess.
Loops may be "non-constant"
There is no-preprocessor
Functions with no arguments do not use "void"
rgba and stpq are not supported on vectors
1.0f is valid