routes

[carveJwlIkooP6JGAAIwe30JlM.git] / shaders / std_alphatest.fs

diff --git a/shaders/std_alphatest.fs b/shaders/std_alphatest.fs
new file mode 100644 (file)
index 0000000..7881b51
--- /dev/null
+++ b/shaders/std_alphatest.fs
@@ -0,0 +1,43 @@
+out vec4 FragColor;
+
+uniform sampler2D uTexGarbage;
+uniform sampler2D uTexMain;
+uniform vec3 uCamera;
+uniform vec4 uPlane;
+
+in vec4 aColour;
+in vec2 aUv;
+in vec3 aNorm;
+in vec3 aCo;
+in vec3 aWorldCo;
+
+#include "common_world.glsl"
+
+void main()
+{
+   vec3 vfrag = vec3(0.5,0.5,0.5);
+   vec4 vsamplemain = texture( uTexMain, aUv );
+   vec3 qnorm = normalize(aNorm);
+
+   if( vsamplemain.a < 0.15 )
+     discard;
+
+   vfrag = vsamplemain.rgb;
+
+   if( g_light_preview == 1 )
+   {
+      vfrag = vec3(0.5);
+   }
+
+   // Lighting
+   vec3 halfview = uCamera - aWorldCo;
+   float fdist = length( halfview );
+   halfview /= fdist;
+
+   vfrag = do_light_diffuse( vfrag, qnorm );
+   vfrag = do_light_spec( vfrag, qnorm, halfview, 0.1 );
+   vfrag = do_light_shadowing( vfrag );
+   vfrag = apply_fog( vfrag, fdist );
+
+   FragColor = vec4(vfrag, 1.0);
+}