bgfx/examples/16-shadowmaps/fs_shadowmaps_unpackdepth.sc

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$input v_texcoord0
/*
2014-01-14 02:45:18 +04:00
* Copyright 2013-2014 Dario Manesku. All rights reserved.
* License: http://www.opensource.org/licenses/BSD-2-Clause
*/
#include "../common/common.sh"
SAMPLER2D(u_shadowMap0, 4);
uniform vec4 u_params2;
#define u_depthValuePow u_params2.x
void main()
{
float depth = unpackRgbaToFloat(texture2D(u_shadowMap0, v_texcoord0) );
vec3 rgba = pow(vec3_splat(depth), vec3_splat(u_depthValuePow) );
gl_FragColor = vec4(rgba, 1.0);
}