bgfx/examples/07-callback/fs_callback.sc

18 lines
485 B
Scala

$input v_world, v_color0
/*
* Copyright 2011-2024 Branimir Karadzic. All rights reserved.
* License: https://github.com/bkaradzic/bgfx/blob/master/LICENSE
*/
#include "../common/common.sh"
void main()
{
vec3 normal = normalize(cross(dFdx(v_world), dFdy(v_world) ) );
vec3 lightDir = vec3(0.0, 0.0, 1.0);
float ndotl = max(dot(normal, lightDir), 0.0);
float spec = pow(ndotl, 30.0);
gl_FragColor = pow(pow(v_color0, vec4_splat(2.2) ) * ndotl + spec, vec4_splat(1.0/2.2) );
}