bgfx/examples/08-update/cs_update.sc

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/*
* Copyright 2014 Stanlo Slasinski. All rights reserved.
* License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause
*/
#include "bgfx_compute.sh"
IMAGE2D_ARRAY_WR(s_texColor,rgba32f,0);
uniform vec4 u_time;
NUM_THREADS(16, 16, 1)
void main()
{
vec3 colors[] = {
vec3(1,0,0),
vec3(1,1,0),
vec3(1,0,1),
vec3(0,1,0),
vec3(0,1,1),
vec3(0,0,1),
};
for (int face=0;face<6;face++)
{
vec3 color = colors[face]*0.75 + sin( u_time.x*4.0 )*0.25;
ivec3 dest = ivec3( gl_GlobalInvocationID.xy, face );
imageStore( s_texColor, dest, vec4(color,1) );
}
}