add shadowmapping to custom fragment shaders

Author: ntsh-oni

source/fragment_shader/index.rst

@@ -70,21 +70,30 @@ Inputs
 	* - NtshEngn_directionalLightCount
 	  - uint
 	  - The number of directional lights in the scene.
-	* - NtshEngn_directionalLight(i)
+	* - NtshEngn_directionalLight(uint i)
 	  - :doc:`/types/Light/index`
-	  - The *i*th directional light.
+	  - The ``i``th directional light.
+	* - NtshEngn_directionalLightShadows(uint i, vec p)
+	  - float
+	  - A value between 0.0 and 1.0 determining how much the position ``p`` is in the shadows of the ``i``th directional light. 0.0 means completely in shadows, 1.0 means not in shadows.
 	* - NtshEngn_pointLightCount
 	  - uint
 	  - The number of point lights in the scene.
-	* - NtshEngn_pointLight(i)
+	* - NtshEngn_pointLight(uint i)
 	  - :doc:`/types/Light/index`
-	  - The *i*th point light.
+	  - The ``i``th point light.
+	* - NtshEngn_pointLightShadows(uint i, vec p)
+	  - float
+	  - A value between 0.0 and 1.0 determining how much the position ``p`` is in the shadows of the ``i``th point light. 0.0 means completely in shadows, 1.0 means not in shadows.
 	* - NtshEngn_spotLightCount
 	  - uint
 	  - The number of spot lights in the scene.
-	* - NtshEngn_spotLight(i)
+	* - NtshEngn_spotLight(uint i)
 	  - :doc:`/types/Light/index`
 	  - The *i*th spot light.
+	* - NtshEngn_spotLightShadows(uint i, vec p)
+	  - float
+	  - A value between 0.0 and 1.0 determining how much the position ``p`` is in the shadows of the ``i``th spot light. 0.0 means completely in shadows, 1.0 means not in shadows.
 	* - NtshEngn_ambientLightCount
 	  - uint
 	  - The number of ambient lights in the scene.