ECM2

Assets/VolumetricLightBeam/Shaders/ShaderSpecificBuiltin.cginc

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+// The following comment prevents Unity from auto upgrading the shader. Please keep it to keep backward compatibility.
+// UNITY_SHADER_NO_UPGRADE
+
+#ifndef _VLB_SHADER_SPECIFIC_INCLUDED_
+#define _VLB_SHADER_SPECIFIC_INCLUDED_
+
+// POSITION TRANSFORM
+#if UNITY_VERSION < 540
+    #define __VLBMatrixWorldToObject    _World2Object
+    #define __VLBMatrixObjectToWorld    _Object2World
+    #define __VLBMatrixV                UNITY_MATRIX_V
+    inline float4 VLBObjectToClipPos(in float3 pos) { return mul(UNITY_MATRIX_MVP, float4(pos, 1.0)); }
+#else
+    #if VLB_CUSTOM_INSTANCED_OBJECT_MATRICES
+        #define __VLBMatrixWorldToObject  UNITY_ACCESS_INSTANCED_PROP(Props, _WorldToLocalMatrix)
+        #define __VLBMatrixObjectToWorld  UNITY_ACCESS_INSTANCED_PROP(Props, _LocalToWorldMatrix)
+        #define __VLBMatrixV              unity_MatrixV
+        inline float4 VLBObjectToClipPos(in float3 pos) { return mul(mul(unity_MatrixVP, __VLBMatrixObjectToWorld), float4(pos, 1.0)); }
+    #else
+        #define __VLBMatrixWorldToObject    unity_WorldToObject
+        #define __VLBMatrixObjectToWorld    unity_ObjectToWorld
+        #define __VLBMatrixV                UNITY_MATRIX_V
+        #define VLBObjectToClipPos          UnityObjectToClipPos
+    #endif
+#endif
+
+inline float4 VLBObjectToWorldPos(in float4 pos)    { return mul(__VLBMatrixObjectToWorld, pos); }
+#define VLBWorldToViewPos(pos)                      (mul(__VLBMatrixV, float4(pos.xyz, 1.0)).xyz)
+
+// FRUSTUM PLANES
+#define VLBFrustumPlanes unity_CameraWorldClipPlanes
+
+// CAMERA
+inline float3 __VLBWorldToObjectPos(in float3 pos) { return mul(__VLBMatrixWorldToObject, float4(pos, 1.0)).xyz; }
+inline float3 VLBGetCameraPositionObjectSpace(float3 scaleObjectSpace)
+{
+    return __VLBWorldToObjectPos(_WorldSpaceCameraPos).xyz * scaleObjectSpace;
+}
+
+// DEPTH
+#ifndef UNITY_DECLARE_DEPTH_TEXTURE // handle Unity pre 5.6.0
+#define UNITY_DECLARE_DEPTH_TEXTURE(tex) sampler2D_float tex
+#endif
+UNITY_DECLARE_DEPTH_TEXTURE(_CameraDepthTexture);
+
+#define VLBSampleDepthTexture(/*float4*/uv) (SAMPLE_DEPTH_TEXTURE(_CameraDepthTexture, (uv)/(uv.w)))
+#define VLBLinearEyeDepth(depth) (LinearEyeDepth(depth))
+
+// FOG
+#define VLB_FOG_UNITY_BUILTIN_COORDS
+
+#if VLB_ALPHA_AS_BLACK
+#define VLB_FOG_APPLY(color) \
+        float4 fogColor = unity_FogColor; \
+        fogColor.rgb *= color.a;  \
+        UNITY_APPLY_FOG_COLOR(i.fogCoord, color, fogColor);
+        // since we use this shader with Additive blending, fog color should be modulated by general alpha
+#else
+#define VLB_FOG_APPLY(color) UNITY_APPLY_FOG(i.fogCoord, color);
+#endif
+
+
+inline void ApplyPipelineSpecificIntensityModifier(inout float intensity) {}
+
+#endif // _VLB_SHADER_SPECIFIC_INCLUDED_