25 lines
678 B
Scala
25 lines
678 B
Scala
$input a_position, a_normal
|
|
$output v_normal // RSM shadow
|
|
|
|
/*
|
|
* Copyright 2016 Joseph Cherlin. All rights reserved.
|
|
* License: https://github.com/bkaradzic/bgfx/blob/master/LICENSE
|
|
*/
|
|
|
|
#include "../common/common.sh"
|
|
|
|
uniform vec4 u_tint;
|
|
|
|
void main()
|
|
{
|
|
gl_Position = mul(u_modelViewProj, vec4(a_position, 1.0) );
|
|
|
|
// Calculate normal. Note that compressed normal is stored in the vertices
|
|
vec3 normalObjectSpace = a_normal.xyz*2.0+-1.0; // Normal is stored in [0,1], remap to [-1,1].
|
|
|
|
// Transform normal into view space.
|
|
v_normal = mul(u_modelView, vec4(normalObjectSpace, 0.0) ).xyz;
|
|
// Normalize to remove (uniform...) scaling
|
|
v_normal = normalize(v_normal);
|
|
}
|