bgfx/examples/16-shadowmaps/fs_shadowmaps_unpackdepth_v...

21 lines
480 B
Scala

$input v_texcoord0
/*
* Copyright 2013-2014 Dario Manesku. All rights reserved.
* License: https://github.com/bkaradzic/bgfx/blob/master/LICENSE
*/
#include "../common/common.sh"
SAMPLER2D(s_shadowMap0, 4);
uniform vec4 u_params2;
#define u_depthValuePow u_params2.x
void main()
{
vec4 val = texture2D(s_shadowMap0, v_texcoord0);
float depth = unpackHalfFloat(val.rg);
vec3 rgba = pow(vec3_splat(depth), vec3_splat(u_depthValuePow) );
gl_FragColor = vec4(rgba, 1.0);
}