Updated Post Processing Shaders (markdown)

Post-Processing-Shaders.md

@@ -180,6 +180,131 @@ Takes the OptionName that was defined in the configuration
 ```c++
 float3 colour_boost = GetOption(SKY_COLOR);
 ```
+## Sample Shader
+---
+```c++
+/*
+[configuration]
+[OptionBool]
+GUIName = Skylight Bevel Shader
+OptionName = BEVEL
+DefaultValue = true
+
+[OptionRangeFloat]
+GUIName = Skylight Amount
+OptionName = SKYLIGHT_AMOUNT
+MinValue = 0.0
+MaxValue = 1.0
+StepAmount = 0.05,
+DefaultValue = 0.5
+DependentOption = BEVEL
+
+[OptionRangeFloat]
+GUIName = Sky Color
+OptionName = SKY_COLOR
+MinValue = 0.0, 0.0, 0.0
+MaxValue = 1.0, 1.0, 1.0
+StepAmount = 0.05, 0.05, 0.05
+DefaultValue = 0.1, 0.1, 0.5
+DependentOption = BEVEL
+
+[OptionRangeFloat]
+GUIName = Base Color
+OptionName = BASE_COLOR
+MinValue = 0.0, 0.0, 0.0
+MaxValue = 1.0, 1.0, 1.0
+StepAmount = 0.05, 0.05, 0.05
+DefaultValue = 0.0, 0.0, 0.1
+DependentOption = BEVEL
+
+[OptionRangeFloat]
+GUIName = Ground Color
+OptionName = GROUND_COLOR
+MinValue = 0.0, 0.0, 0.0
+MaxValue = 1.0, 1.0, 1.0
+StepAmount = 0.05, 0.05, 0.05
+DefaultValue = 0.1, 0.4, 0.1
+DependentOption = BEVEL
+
+[OptionBool]
+GUIName = Sharpen
+OptionName = SHARPNESS
+DefaultValue = true
+
+[OptionRangeFloat]
+GUIName = Sharpness Amount
+OptionName = SHARPNESS_VALUE
+MinValue = 0.0
+MaxValue = 10.0
+StepAmount = 0.5
+DefaultValue = 1.5
+DependentOption = SHARPNESS
+
+[OptionBool]
+GUIName = Color Boost
+OptionName = COLOR_BOOST
+DefaultValue = true
+
+[OptionRangeFloat]
+GUIName = Color Boost Red
+OptionName = RED_BOOST
+MinValue = 0.0
+MaxValue = 5.0
+StepAmount = 0.1
+DefaultValue = 1.0
+DependentOption = COLOR_BOOST
+
+[OptionRangeFloat]
+GUIName = Color Boost Green
+OptionName = GREEN_BOOST
+MinValue = 0.0
+MaxValue = 5.0
+StepAmount = 0.1
+DefaultValue = 1.0
+DependentOption = COLOR_BOOST
+
+[OptionRangeFloat]
+GUIName = Color Boost Blue
+OptionName = BLUE_BOOST
+MinValue = 0.0
+MaxValue = 5.0
+StepAmount = 0.1
+DefaultValue = 1.0
+DependentOption = COLOR_BOOST
+[/configuration]
+*/
+
+void main() {
+  float3 curr = Sample().xyz;
+
+  if (OptionEnabled(SHARPNESS))
+  {
+	  float3 s0 = SampleOffset(int2(-1, -1)).xyz;
+	  float3 s1 = SampleOffset(int2( 1, -1)).xyz;
+	  float3 s2 = SampleOffset(int2(-1,  1)).xyz;
+	  float3 s3 = SampleOffset(int2( 1,  1)).xyz;
+	  float3 blur = (curr + s0 + s1 + s2 + s3) / 5;
+	  curr = curr + (curr - blur) * GetOption(SHARPNESS_VALUE);
+  }
+  
+  if (OptionEnabled(BEVEL))
+  {
+	  float mid = dot(curr, float3(0.33, 0.33, 0.33));
+	  float top = dot(SampleOffset(int2(0,  1)).xyz, float3(0.33, 0.33, 0.33));
+	  float bot = dot(SampleOffset(int2(0, -1)).xyz, float3(0.33, 0.33, 0.33));
+	  float upw = ((top - mid) + (mid - bot)) / 4 + 0.5;
+	  float3  col = mix(GetOption(SKY_COLOR), GetOption(GROUND_COLOR), upw);
+	  float3 shde = mix(GetOption(BASE_COLOR), col, clamp(abs(upw * 2.0 - 1.0) * 1, 0.0, 1.0));
+	  curr = curr + shde * GetOption(SKYLIGHT_AMOUNT);
+  }
+
+  if (OptionEnabled(COLOR_BOOST))
+	  curr = curr * float3(GetOption(RED_BOOST), GetOption(GREEN_BOOST), GetOption(BLUE_BOOST));
+
+  /* Done */
+  SetOutput(float4(curr, 1.0));
+}
+```
 ## Translations
 ---
 **TBD**