mirror of
https://github.com/bkaradzic/bgfx.git
synced 2026-02-17 20:52:36 +01:00
26 lines
606 B
Scala
26 lines
606 B
Scala
$input a_position, a_texcoord0
|
|
$output v_dir
|
|
|
|
/*
|
|
* Copyright 2014-2016 Dario Manesku. All rights reserved.
|
|
* License: https://github.com/bkaradzic/bgfx/blob/master/LICENSE
|
|
*/
|
|
|
|
#include "../common/common.sh"
|
|
#include "uniforms.sh"
|
|
|
|
uniform mat4 u_mtx;
|
|
|
|
void main()
|
|
{
|
|
gl_Position = mul(u_modelViewProj, vec4(a_position, 1.0) );
|
|
|
|
float fov = radians(45.0);
|
|
float height = tan(fov*0.5);
|
|
float aspect = height*(u_viewRect.z / u_viewRect.w);
|
|
vec2 tex = (2.0*a_texcoord0-1.0) * vec2(aspect, height);
|
|
|
|
mat4 mtx = mtxFromCols(u_mtx0, u_mtx1, u_mtx2, u_mtx3);
|
|
v_dir = mul(mtx, vec4(tex, 1.0, 0.0) ).xyz;
|
|
}
|