bgfx/examples/09-hdr/fs_hdr_skybox.sc
2013-02-26 21:24:16 -08:00

19 lines
396 B
Scala

$input v_texcoord0
/*
* Copyright 2011-2013 Branimir Karadzic. All rights reserved.
* License: http://www.opensource.org/licenses/BSD-2-Clause
*/
#include "common.sh"
SAMPLERCUBE(u_texCube, 0);
uniform mat4 u_mtx;
void main()
{
vec3 dir = vec3(v_texcoord0*2.0 - 1.0, 1.0);
dir = normalize(mul(u_mtx, vec4(dir, 0.0) ).xyz);
gl_FragColor = encodeRGBE8(textureCube(u_texCube, dir).xyz);
}