raze-gles/wadsrc/static/engine/shaders/glsl/glsurface.vp

#version 330
 
in vec4 i_vertPos;
in vec4 i_texCoord;

out vec2 v_texCoord;

void main()
{
 gl_Position = i_vertPos;
 v_texCoord = i_texCoord.st;
}