Small shader corrections (nw)

hlsl/distortion.fx

@@ -176,9 +176,9 @@ float GetRoundCornerFactor(float2 coord, float2 bounds, float radiusAmount, floa
 	smoothAmount = min(smoothAmount, radiusAmount);
 
 	float range = min(bounds.x, bounds.y);
-	float amountMinimum = range > 0.0f ? 1.0f / range : 0.0f;
+	float amountMinimum = 1.0f / range;
 	float radius = range * max(radiusAmount, amountMinimum);
-	float smooth = 1.0f / (range * max(smoothAmount, amountMinimum * 3.0f));
+	float smooth = 1.0f / (range * max(smoothAmount, amountMinimum * 2.0f));
 
 	// compute box
 	float box = roundBox(bounds * (coord * 2.0f), bounds, radius);

hlsl/post.fx

@@ -67,7 +67,7 @@ struct PS_INPUT
 //-----------------------------------------------------------------------------
 
 static const float PI = 3.1415927f;
-static const float PHI = 1.618034f;
+static const float HalfPI = PI * 0.5f;
 
 //-----------------------------------------------------------------------------
 // Scanline & Shadowmask Vertex Shader
@@ -259,7 +259,7 @@ float4 ps_main(PS_INPUT Input) : COLOR
 
 			ScanlineCoord *= SourceDims.y * ScanlineScale * PI;
 
-			float ScanlineCoordJitter = ScanlineOffset * PHI;
+			float ScanlineCoordJitter = ScanlineOffset * HalfPI;
 			float ScanlineSine = sin(ScanlineCoord + ScanlineCoordJitter);
 			float ScanlineWide = ScanlineHeight + ScanlineVariation * max(1.0f, ScanlineHeight) * (1.0f - ColorBrightness);
 			float ScanlineAmount = pow(ScanlineSine * ScanlineSine, ScanlineWide);

hlsl/vector.fx

@@ -82,9 +82,9 @@ float GetRoundCornerFactor(float2 coord, float2 bounds, float radiusAmount, floa
 	smoothAmount = min(smoothAmount, radiusAmount);
 
 	float range = min(bounds.x, bounds.y);
-	float amountMinimum = range > 0.0f ? 1.0f / range : 0.0f;
+	float amountMinimum = 1.0f / range;
 	float radius = range * max(radiusAmount, amountMinimum);
-	float smooth = 1.0f / (range * max(smoothAmount, amountMinimum * 3.0f));
+	float smooth = 1.0f / (range * max(smoothAmount, amountMinimum * 2.0f));
 
 	// compute box
 	float box = roundBox(bounds * (coord * 2.0f), bounds, radius);

src/osd/modules/render/bgfx/shaders/chains/hlsl/fs_distortion.sc

@@ -105,7 +105,7 @@ float GetRoundCornerFactor(vec2 coord, vec2 bounds, float radiusAmount, float sm
 	float range = min(bounds.x, bounds.y);
 	float amountMinimum = range > 0.0f ? 1.0f / range : 0.0f;
 	float radius = range * max(radiusAmount, amountMinimum);
-	float smooth_val = 1.0f / (range * max(smoothAmount, amountMinimum * 3.0f));
+	float smooth_val = 1.0f / (range * max(smoothAmount, amountMinimum * 2.0f));
 
 	// compute box
 	float box = roundBox(bounds * (coord * 2.0f), bounds, radius);

src/osd/modules/render/bgfx/shaders/chains/hlsl/fs_post.sc

@@ -155,7 +155,7 @@ void main()
 
 			ScanCoord *= u_source_dims.y * u_scanline_scale.x * 3.1415927; // PI
 
-			float ScanCoordJitter = u_scanline_jitter.x * u_jitter_amount.x * 1.618034; // PHI
+			float ScanCoordJitter = u_scanline_jitter.x * u_jitter_amount.x * 1.5707963; // half PI
 			float ScanSine = sin(ScanCoord + ScanCoordJitter);
 			float ScanlineWide = u_scanline_height.x + u_scanline_variation.x * max(1.0, u_scanline_height.x) * (1.0 - ColorBrightness);
 			float ScanSineScaled = pow(ScanSine * ScanSine, ScanlineWide);