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Added 07-callback example.

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bkaradzic
2012-12-30 20:52:47 -08:00
parent ff41632999
commit d4cd0ea4fa
32 changed files with 1152 additions and 206 deletions
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17
examples/07-callback/fs_callback.sc Normal file
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$input v_world, v_color0
/*
* Copyright 2011-2012 Branimir Karadzic. All rights reserved.
* License: http://www.opensource.org/licenses/BSD-2-Clause
*/
#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) );
}