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Assets/Spine/Runtime/spine-unity/Modules/Shaders/Sprite/CGIncludes/SpriteShadows.cginc

@@ -0,0 +1,49 @@
+#ifndef SPRITE_SHADOWS_INCLUDED
+#define SPRITE_SHADOWS_INCLUDED
+
+#include "ShaderShared.cginc"
+
+////////////////////////////////////////
+// Vertex structs
+//
+
+struct vertexInput
+{
+	float4 vertex : POSITION;
+	float4 texcoord : TEXCOORD0;
+};
+
+struct vertexOutput
+{ 
+	V2F_SHADOW_CASTER;
+	float2 texcoord : TEXCOORD1;
+};
+
+////////////////////////////////////////
+// Vertex program
+//
+
+vertexOutput vert(vertexInput v)
+{
+	vertexOutput o;
+	TRANSFER_SHADOW_CASTER(o)
+	o.texcoord = calculateTextureCoord(v.texcoord);
+	return o;
+}
+
+////////////////////////////////////////
+// Fragment program
+//
+
+
+uniform fixed _ShadowAlphaCutoff;
+
+fixed4 frag(vertexOutput IN) : SV_Target
+{
+	fixed4 texureColor = calculateTexturePixel(IN.texcoord);
+	clip(texureColor.a - _ShadowAlphaCutoff);
+	
+	SHADOW_CASTER_FRAGMENT(IN)
+}
+
+#endif // SPRITE_SHADOWS_INCLUDED