ToneMapping: removed F3ONE and F3ZERO macros

1 files changed, 10 insertions, 18 deletions

diff --git a/Shaders/PostProcess/ToneMapping/public/ToneMapping.fxh b/Shaders/PostProcess/ToneMapping/public/ToneMapping.fxh
index d24c810..685a200 100644
--- a/Shaders/PostProcess/ToneMapping/public/ToneMapping.fxh
+++ b/Shaders/PostProcess/ToneMapping/public/ToneMapping.fxh
@@ -4,14 +4,6 @@
 #   define RGB_TO_LUMINANCE float3(0.212671, 0.715160, 0.072169)
 #endif
 
-#ifndef F3ZERO
-#   define F3ZERO float3(0.0, 0.0, 0.0)
-#endif
-
-#ifndef F3ONE
-#   define F3ONE float3(1.0, 1.0, 1.0)
-#endif
-
 float3 Uncharted2Tonemap(float3 x)
 {
     // http://www.gdcvault.com/play/1012459/Uncharted_2__HDR_Lighting
@@ -32,7 +24,7 @@ float3 ToneMap(in float3 f3Color, ToneMappingAttribs Attribs, float fAveLogLum)
     // Compute scale factor such that average luminance maps to middle gray
     float fLumScale = middleGray / fAveLogLum;
     
-    f3Color = max(f3Color, F3ZERO);
+    f3Color = max(f3Color, float3(0.0, 0.0, 0.0));
     float fInitialPixelLum = max(dot(RGB_TO_LUMINANCE, f3Color), 1e-10);
     float fScaledPixelLum = fInitialPixelLum * fLumScale;
     float3 f3ScaledColor = f3Color * fLumScale;
@@ -42,7 +34,7 @@ float3 ToneMap(in float3 f3Color, ToneMappingAttribs Attribs, float fAveLogLum)
 #if TONE_MAPPING_MODE == TONE_MAPPING_MODE_EXP
     
     float  fToneMappedLum = 1.0 - exp( -fScaledPixelLum );
-    return fToneMappedLum * pow(f3Color / fInitialPixelLum, Attribs.fLuminanceSaturation * F3ONE);
+    return fToneMappedLum * pow(f3Color / fInitialPixelLum, Attribs.fLuminanceSaturation * float3(1.0, 1.0, 1.0));
 
 #elif TONE_MAPPING_MODE == TONE_MAPPING_MODE_REINHARD || TONE_MAPPING_MODE == TONE_MAPPING_MODE_REINHARD_MOD
 
@@ -56,30 +48,30 @@ float3 ToneMap(in float3 f3Color, ToneMappingAttribs Attribs, float fAveLogLum)
 #   else
 	    float  fToneMappedLum = L_xy * (1.0 + L_xy / (whitePoint*whitePoint)) / (1.0 + L_xy);
 #   endif
-	return fToneMappedLum * pow(f3Color / fInitialPixelLum, Attribs.fLuminanceSaturation * F3ONE);
+	return fToneMappedLum * pow(f3Color / fInitialPixelLum, Attribs.fLuminanceSaturation * float3(1.0, 1.0, 1.0));
 
 #elif TONE_MAPPING_MODE == TONE_MAPPING_MODE_UNCHARTED2
 
     // http://filmicgames.com/archives/75
     float ExposureBias = 2.0;
     float3 curr = Uncharted2Tonemap(ExposureBias*f3ScaledColor);
-    float3 whiteScale = F3ONE/Uncharted2Tonemap(whitePoint*F3ONE);
+    float3 whiteScale = float3(1.0, 1.0, 1.0) / Uncharted2Tonemap(float3(whitePoint, whitePoint, whitePoint));
     return curr*whiteScale;
 
 #elif TONE_MAPPING_MODE == TONE_MAPPING_FILMIC_ALU
 
     // http://www.gdcvault.com/play/1012459/Uncharted_2__HDR_Lighting
-    float3 f3ToneMappedColor = max(F3ZERO, f3ScaledColor - 0.004*F3ONE);
-    f3ToneMappedColor = (f3ToneMappedColor * (6.2 * f3ToneMappedColor + 0.5*F3ONE)) / 
-                        (f3ToneMappedColor * (6.2 * f3ToneMappedColor + 1.7*F3ONE)+ 0.06*F3ONE);
+    float3 f3ToneMappedColor = max(f3ScaledColor - float3(0.004, 0.004, 0.004), float3(0.0, 0.0, 0.0));
+    f3ToneMappedColor = (f3ToneMappedColor * (6.2 * f3ToneMappedColor + float3(0.5, 0.5, 0.5))) / 
+                        (f3ToneMappedColor * (6.2 * f3ToneMappedColor + float3(1.7, 1.7, 1.7))+ float3(0.06, 0.06, 0.06));
     // result has 1/2.2 gamma baked in
-    return pow(f3ToneMappedColor, 2.2 * F3ONE);
+    return pow(f3ToneMappedColor, float3(2.2, 2.2, 2.2));
 
 #elif TONE_MAPPING_MODE == TONE_MAPPING_LOGARITHMIC
     
     // http://www.mpi-inf.mpg.de/resources/tmo/logmap/logmap.pdf
     float fToneMappedLum = log10(1.0 + fScaledPixelLum) / log10(1.0 + whitePoint);
-	return fToneMappedLum * pow(f3Color / fInitialPixelLum, Attribs.fLuminanceSaturation * F3ONE);
+	return fToneMappedLum * pow(f3Color / fInitialPixelLum, Attribs.fLuminanceSaturation * float3(1.0, 1.0, 1.0));
 
 #elif TONE_MAPPING_MODE == TONE_MAPPING_ADAPTIVE_LOG
 
@@ -88,7 +80,7 @@ float3 ToneMap(in float3 f3Color, ToneMappingAttribs Attribs, float fAveLogLum)
     float fToneMappedLum = 
         1.0 / log10(1.0 + whitePoint) *
         log(1.0 + fScaledPixelLum) / log( 2.0 + 8.0 * pow( fScaledPixelLum / whitePoint, log(Bias) / log(0.5)) );
-	return fToneMappedLum * pow(f3Color / fInitialPixelLum, Attribs.fLuminanceSaturation * F3ONE);
+	return fToneMappedLum * pow(f3Color / fInitialPixelLum, Attribs.fLuminanceSaturation * float3(1.0, 1.0, 1.0));
 
 #endif
 }