X-Git-Url: https://harrygodden.com/git/?a=blobdiff_plain;f=shaders%2Fstd_alphatest.fs;fp=shaders%2Fstd_alphatest.fs;h=7881b51ed25153da52773c3f1a422920bc124c58;hb=d57b7661518800479c00300ce57407378696eec9;hp=0000000000000000000000000000000000000000;hpb=1c97cb161f885ad24d3356d92c8f4fd0e252bc61;p=carveJwlIkooP6JGAAIwe30JlM.git

diff --git a/shaders/std_alphatest.fs b/shaders/std_alphatest.fs
new file mode 100644
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);
+}