fteqw/engine/shaders/glsl/depthonly.glsl

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!!permu FRAMEBLEND
!!permu SKELETAL
//standard shader used for drawing shadowmap depth.
//also used for masking off portals and other things that want depth and no colour.
//must support skeletal and 2-way vertex blending or Bad Things Will Happen.
//the vertex shader is responsible for calculating lighting values.
#ifdef VERTEX_SHADER
#include "sys/skeletal.h"
void main ()
{
gl_Position = skeletaltransform();
}
#endif
#ifdef FRAGMENT_SHADER
void main ()
{
//must always draw something, supposedly. It might as well be black.
gl_FragColor = vec4(0, 0, 0, 1);
}
#endif