kVignette, cNoiseBlur: Added falloff offset

papadanku · Jul 6, 2024 · 6b3d73b · 6b3d73b
1 parent d329acb
commit 6b3d73b
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Showing 3 changed files with 22 additions and 5 deletions.
diff --git a/shaders/cNoiseBlur.fx b/shaders/cNoiseBlur.fx
@@ -38,10 +38,19 @@ uniform float _Radius <
 > = 0.5;
 
 uniform float _Falloff <
-    ui_label = "Radius Falloff";
+    ui_category = "Radius Falloff";
+    ui_label = "Falloff Scale";
     ui_type = "drag";
 > = 0.5;
 
+uniform float2 _FalloffOffset <
+    ui_label = "Falloff Offset";
+    ui_type = "slider";
+    ui_step = 0.001;
+    ui_min = -1.0;
+    ui_max = 1.0;
+> = float2(0.0, 0.0);
+
 uniform bool _EnableFalloff <
     ui_label = "Enable Radius Falloff";
     ui_type = "radio";
@@ -76,7 +85,7 @@ float4 PS_NoiseBlur(VS2PS_Quad Input) : SV_TARGET0
     float AspectRatio = ScreenSize.y * (1.0 / ScreenSize.x);
 
     // Compute optional radius falloff
-    float FalloffFactor = _EnableFalloff ? GetVignette(Input.Tex0, AspectRatio, _Falloff) : 1.0;
+    float FalloffFactor = _EnableFalloff ? GetVignette(Input.Tex0, AspectRatio, _Falloff, _FalloffOffset) : 1.0;
     FalloffFactor = _InvertFalloff ? FalloffFactor : 1.0 - FalloffFactor;
 
     float4 Weight = 0.0;

diff --git a/shaders/kVignette.fx b/shaders/kVignette.fx
@@ -11,14 +11,22 @@ uniform float _Falloff <
     ui_type = "drag";
 > = 0.5;
 
+uniform float2 _FalloffOffset <
+    ui_label = "Falloff Offset";
+    ui_type = "slider";
+    ui_step = 0.001;
+    ui_min = -1.0;
+    ui_max = 1.0;
+> = float2(0.0, 0.0);
+
 /*
     [Pixel Shaders]
 */
 
 float4 PS_Vignette(VS2PS_Quad Input) : SV_TARGET0
 {
     const float AspectRatio = float(BUFFER_WIDTH) / float(BUFFER_HEIGHT);
-    return GetVignette(Input.Tex0, AspectRatio, _Falloff);
+    return GetVignette(Input.Tex0, AspectRatio, _Falloff, _FalloffOffset);
 }
 
 technique CShade_KinoVignette

diff --git a/shaders/shared/cCamera.fxh b/shaders/shared/cCamera.fxh
@@ -71,9 +71,9 @@
         CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     */
 
-    float GetVignette(float2 Tex, float AspectRatio, float Falloff)
+    float GetVignette(float2 Tex, float AspectRatio, float Falloff, float2 FalloffOffset)
     {
-        Tex = (Tex * 2.0 - 1.0) * AspectRatio;
+        Tex = ((Tex * 2.0 - 1.0) + FalloffOffset) * AspectRatio;
         float Radius = length(Tex) * Falloff;
         float Radius_2_1 = (Radius * Radius) + 1.0;
         return 1.0 / (Radius_2_1 * Radius_2_1);