bgfx/3rdparty/glsl-optimizer/tests/fragment/glsl120-basic-inES3.txt

#version 300 es
out lowp vec4 _fragData;

uniform mat4x3 nonSqMat; // non square matrices


void main()
{
	const float cosPI = cos(3.1415); // built-in calls in constant initializers

	mediump vec4 v;
	v.x = 1.2f; // accepts 'f' suffix
	v.y = 5.0f;
	v.z = 0.0;
	v.w = cosPI;
	v.x += nonSqMat[0][0];

	float arr[4] = float[](1,2,3,4); // array initializer
	v.y += arr[0];
	v.z += float(arr.length()); // array length

    _fragData = v;
}