Change-Id: Iaa2ab8e68bd43ea8e439cbfbc1fd04f0a45349a5
Signed-off-by: seungho <sbsh.baek@samsung.com>
// Original Code
// https://github.com/KhronosGroup/glTF-Sample-Viewer/blob/glTF-WebGL-PBR/shaders/pbr-frag.glsl
// Commit dc84b5e374fb3d23153d2248a338ef88173f9eb6
// Original Code
// https://github.com/KhronosGroup/glTF-Sample-Viewer/blob/glTF-WebGL-PBR/shaders/pbr-frag.glsl
// Commit dc84b5e374fb3d23153d2248a338ef88173f9eb6
// [4] \"An Inexpensive BRDF Model for Physically based Rendering\" by Christophe Schlick
// https://www.cs.virginia.edu/~jdl/bib/appearance/analytic%20models/schlick94b.pdf
// [4] \"An Inexpensive BRDF Model for Physically based Rendering\" by Christophe Schlick
// https://www.cs.virginia.edu/~jdl/bib/appearance/analytic%20models/schlick94b.pdf
#ifdef HIGHP
precision highp float;
#else
#ifdef HIGHP
precision highp float;
#else
// Original Code
// https://github.com/KhronosGroup/glTF-Sample-Viewer/blob/glTF-WebGL-PBR/shaders/pbr-vert.glsl
// Commit dc84b5e374fb3d23153d2248a338ef88173f9eb6
// Original Code
// https://github.com/KhronosGroup/glTF-Sample-Viewer/blob/glTF-WebGL-PBR/shaders/pbr-vert.glsl
// Commit dc84b5e374fb3d23153d2248a338ef88173f9eb6
#ifdef HIGHP
precision highp float;
#else
#ifdef HIGHP
precision highp float;
#else