From 8b400d7b31188577219122d07421a195ddc3392b Mon Sep 17 00:00:00 2001
From: itsmattkc <itsmattkc@gmail.com>
Date: Wed, 27 Mar 2019 01:14:45 +1100
Subject: [PATCH] removed old unused blend mode files

---
 effects/add.blend          | 14 ------
 effects/average.blend      | 10 ----
 effects/color-burn.blend   | 14 ------
 effects/color-dodge.blend  | 14 ------
 effects/darken.blend       | 14 ------
 effects/difference.blend   | 10 ----
 effects/effectloaders.cpp  | 93 +++++++++++++++++++++++---------------
 effects/exclusion.blend    | 10 ----
 effects/glow.blend         | 12 -----
 effects/hard-light.blend   | 12 -----
 effects/hard-mix.blend     | 16 -------
 effects/lighten.blend      | 14 ------
 effects/linear-burn.blend  | 16 -------
 effects/linear-dodge.blend | 16 -------
 effects/linear-light.blend | 17 -------
 effects/multiply.blend     | 10 ----
 effects/negation.blend     | 10 ----
 effects/normal.blend       | 10 ----
 effects/overlay.blend      | 14 ------
 effects/phoenix.blend      | 10 ----
 effects/pin-light.blend    | 17 -------
 effects/reflect.blend      | 14 ------
 effects/screen.blend       | 14 ------
 effects/soft-light.blend   | 14 ------
 effects/substract.blend    | 14 ------
 effects/subtract.blend     | 14 ------
 effects/vivid-light.blend  | 17 -------
 27 files changed, 57 insertions(+), 383 deletions(-)
 delete mode 100644 effects/add.blend
 delete mode 100644 effects/average.blend
 delete mode 100644 effects/color-burn.blend
 delete mode 100644 effects/color-dodge.blend
 delete mode 100644 effects/darken.blend
 delete mode 100644 effects/difference.blend
 delete mode 100644 effects/exclusion.blend
 delete mode 100644 effects/glow.blend
 delete mode 100644 effects/hard-light.blend
 delete mode 100644 effects/hard-mix.blend
 delete mode 100644 effects/lighten.blend
 delete mode 100644 effects/linear-burn.blend
 delete mode 100644 effects/linear-dodge.blend
 delete mode 100644 effects/linear-light.blend
 delete mode 100644 effects/multiply.blend
 delete mode 100644 effects/negation.blend
 delete mode 100644 effects/normal.blend
 delete mode 100644 effects/overlay.blend
 delete mode 100644 effects/phoenix.blend
 delete mode 100644 effects/pin-light.blend
 delete mode 100644 effects/reflect.blend
 delete mode 100644 effects/screen.blend
 delete mode 100644 effects/soft-light.blend
 delete mode 100644 effects/substract.blend
 delete mode 100644 effects/subtract.blend
 delete mode 100644 effects/vivid-light.blend

diff --git a/effects/add.blend b/effects/add.blend
deleted file mode 100644
index 886c2e617..000000000
--- a/effects/add.blend
+++ /dev/null
@@ -1,14 +0,0 @@
-float blendAdd(float base, float blend) {
-	return min(base+blend,1.0);
-}
-
-vec3 blendAdd(vec3 base, vec3 blend) {
-	return min(base+blend,vec3(1.0));
-}
-
-vec3 blendAdd(vec3 base, vec3 blend, float opacity) {
-	return (blendAdd(base, blend) * opacity + base * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendAdd)
-#olive name Add
\ No newline at end of file
diff --git a/effects/average.blend b/effects/average.blend
deleted file mode 100644
index 098e734a3..000000000
--- a/effects/average.blend
+++ /dev/null
@@ -1,10 +0,0 @@
-vec3 blendAverage(vec3 base, vec3 blend) {
-	return (base+blend)/2.0;
-}
-
-vec3 blendAverage(vec3 base, vec3 blend, float opacity) {
-	return (blendAverage(base, blend) * opacity + base * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendAverage)
-#olive name Average
\ No newline at end of file
diff --git a/effects/color-burn.blend b/effects/color-burn.blend
deleted file mode 100644
index 4cea15cd4..000000000
--- a/effects/color-burn.blend
+++ /dev/null
@@ -1,14 +0,0 @@
-float blendColorBurn(float base, float blend) {
-	return (blend==0.0)?blend:max((1.0-((1.0-base)/blend)),0.0);
-}
-
-vec3 blendColorBurn(vec3 base, vec3 blend) {
-	return vec3(blendColorBurn(base.r,blend.r),blendColorBurn(base.g,blend.g),blendColorBurn(base.b,blend.b));
-}
-
-vec3 blendColorBurn(vec3 base, vec3 blend, float opacity) {
-	return (blendColorBurn(base, blend) * opacity + base * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendColorBurn)
-#olive name Color Burn
\ No newline at end of file
diff --git a/effects/color-dodge.blend b/effects/color-dodge.blend
deleted file mode 100644
index 495ff401c..000000000
--- a/effects/color-dodge.blend
+++ /dev/null
@@ -1,14 +0,0 @@
-float blendColorDodge(float base, float blend) {
-	return (blend==1.0)?blend:min(base/(1.0-blend),1.0);
-}
-
-vec3 blendColorDodge(vec3 base, vec3 blend) {
-	return vec3(blendColorDodge(base.r,blend.r),blendColorDodge(base.g,blend.g),blendColorDodge(base.b,blend.b));
-}
-
-vec3 blendColorDodge(vec3 base, vec3 blend, float opacity) {
-	return (blendColorDodge(base, blend) * opacity + base * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendColorDodge)
-#olive name Color Dodge
\ No newline at end of file
diff --git a/effects/darken.blend b/effects/darken.blend
deleted file mode 100644
index f5a81931f..000000000
--- a/effects/darken.blend
+++ /dev/null
@@ -1,14 +0,0 @@
-float blendDarken(float base, float blend) {
-	return min(blend,base);
-}
-
-vec3 blendDarken(vec3 base, vec3 blend) {
-	return vec3(blendDarken(base.r,blend.r),blendDarken(base.g,blend.g),blendDarken(base.b,blend.b));
-}
-
-vec3 blendDarken(vec3 base, vec3 blend, float opacity) {
-	return (blendDarken(base, blend) * opacity + base * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendDarken)
-#olive name Darken
\ No newline at end of file
diff --git a/effects/difference.blend b/effects/difference.blend
deleted file mode 100644
index e65ba45eb..000000000
--- a/effects/difference.blend
+++ /dev/null
@@ -1,10 +0,0 @@
-vec3 blendDifference(vec3 base, vec3 blend) {
-	return abs(base-blend);
-}
-
-vec3 blendDifference(vec3 base, vec3 blend, float opacity) {
-	return (blendDifference(base, blend) * opacity + base * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendDifference)
-#olive name Difference
\ No newline at end of file
diff --git a/effects/effectloaders.cpp b/effects/effectloaders.cpp
index c1c682068..131db86f5 100644
--- a/effects/effectloaders.cpp
+++ b/effects/effectloaders.cpp
@@ -133,50 +133,71 @@ void load_internal_effects() {
 void load_shader_effects_worker(const QString& effects_path) {
   QDir effects_dir(effects_path);
   if (effects_dir.exists()) {
-    QList<QString> entries = effects_dir.entryList(QStringList("*.xml"), QDir::AllDirs | QDir::Files | QDir::NoDotAndDotDot);
+
+    QList<QString> entries = effects_dir.entryList({"*.xml", "*.blend"},
+                                                   QDir::AllDirs | QDir::Files | QDir::NoDotAndDotDot);
+
     for (int i=0;i<entries.size();i++) {
       QString entry_path = effects_dir.filePath(entries.at(i));
       if (QFileInfo(entry_path).isDir()) {
         load_shader_effects_worker(entry_path);
       } else {
-        QFile file(effects_path + "/" + entries.at(i));
-        if (!file.open(QIODevice::ReadOnly)) {
-          qCritical() << "Could not open" << entries.at(i);
-          return;
-        }
+        QString file_url = QDir(effects_path).filePath(entries.at(i));
 
-        QXmlStreamReader reader(&file);
-        while (!reader.atEnd()) {
-          if (reader.name() == "effect") {
-            QString effect_name = "";
-            QString effect_cat = "";
-            const QXmlStreamAttributes attr = reader.attributes();
-            for (int j=0;j<attr.size();j++) {
-              if (attr.at(j).name() == "name") {
-                effect_name = attr.at(j).value().toString();
-              } else if (attr.at(j).name() == "category") {
-                effect_cat = attr.at(j).value().toString();
-              }
-            }
-            if (!effect_name.isEmpty()) {
-              EffectMeta em;
-              em.type = EFFECT_TYPE_EFFECT;
-              em.subtype = EFFECT_TYPE_VIDEO;
-              em.name = effect_name;
-              em.category = effect_cat;
-              em.filename = file.fileName();
-              em.path = effects_path;
-              em.internal = -1;
-              olive::effects.append(em);
-            } else {
-              qCritical() << "Invalid effect found in" << entries.at(i);
-            }
-            break;
+        if (file_url.endsWith(".blend", Qt::CaseInsensitive)) {
+
+          // Load blending mode shaders from file
+          QList<QString> blend_mode_entries = effects_dir.entryList(QStringList("*.blend"), QDir::Files);
+          for (int i=0;i<blend_mode_entries.size();i++) {
+            BlendMode b;
+            b.loaded = false;
+            b.url = effects_dir.filePath(blend_mode_entries.at(i));
+            b.name = QFileInfo(b.url).baseName();
+            olive::blend_modes.append(b);
           }
-          reader.readNext();
-        }
 
-        file.close();
+        } else {
+
+          QFile file(file_url);
+
+          if (!file.open(QIODevice::ReadOnly)) {
+            qCritical() << "Could not open" << entries.at(i);
+            return;
+          }
+
+          QXmlStreamReader reader(&file);
+          while (!reader.atEnd()) {
+            if (reader.name() == "effect") {
+              QString effect_name = "";
+              QString effect_cat = "";
+              const QXmlStreamAttributes attr = reader.attributes();
+              for (int j=0;j<attr.size();j++) {
+                if (attr.at(j).name() == "name") {
+                  effect_name = attr.at(j).value().toString();
+                } else if (attr.at(j).name() == "category") {
+                  effect_cat = attr.at(j).value().toString();
+                }
+              }
+              if (!effect_name.isEmpty()) {
+                EffectMeta em;
+                em.type = EFFECT_TYPE_EFFECT;
+                em.subtype = EFFECT_TYPE_VIDEO;
+                em.name = effect_name;
+                em.category = effect_cat;
+                em.filename = file.fileName();
+                em.path = effects_path;
+                em.internal = -1;
+                olive::effects.append(em);
+              } else {
+                qCritical() << "Invalid effect found in" << entries.at(i);
+              }
+              break;
+            }
+            reader.readNext();
+          }
+
+          file.close();
+        }
       }
     }
   }
diff --git a/effects/exclusion.blend b/effects/exclusion.blend
deleted file mode 100644
index 292fe17ce..000000000
--- a/effects/exclusion.blend
+++ /dev/null
@@ -1,10 +0,0 @@
-vec3 blendExclusion(vec3 base, vec3 blend) {
-	return base+blend-2.0*base*blend;
-}
-
-vec3 blendExclusion(vec3 base, vec3 blend, float opacity) {
-	return (blendExclusion(base, blend) * opacity + base * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendExclusion)
-#olive name Exclusion
\ No newline at end of file
diff --git a/effects/glow.blend b/effects/glow.blend
deleted file mode 100644
index a770cb917..000000000
--- a/effects/glow.blend
+++ /dev/null
@@ -1,12 +0,0 @@
-#pragma glslify: blendReflect = require(./reflect)
-
-vec3 blendGlow(vec3 base, vec3 blend) {
-	return blendReflect(blend,base);
-}
-
-vec3 blendGlow(vec3 base, vec3 blend, float opacity) {
-	return (blendGlow(base, blend) * opacity + base * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendGlow)
-#olive name Glow
\ No newline at end of file
diff --git a/effects/hard-light.blend b/effects/hard-light.blend
deleted file mode 100644
index ed917e72d..000000000
--- a/effects/hard-light.blend
+++ /dev/null
@@ -1,12 +0,0 @@
-#pragma glslify: blendOverlay = require(./overlay)
-
-vec3 blendHardLight(vec3 base, vec3 blend) {
-	return blendOverlay(blend,base);
-}
-
-vec3 blendHardLight(vec3 base, vec3 blend, float opacity) {
-	return (blendHardLight(base, blend) * opacity + base * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendHardLight)
-#olive name Hard Light
\ No newline at end of file
diff --git a/effects/hard-mix.blend b/effects/hard-mix.blend
deleted file mode 100644
index 4ba29a4dc..000000000
--- a/effects/hard-mix.blend
+++ /dev/null
@@ -1,16 +0,0 @@
-#pragma glslify: blendVividLight = require(./vivid-light)
-
-float blendHardMix(float base, float blend) {
-	return (blendVividLight(base,blend)<0.5)?0.0:1.0;
-}
-
-vec3 blendHardMix(vec3 base, vec3 blend) {
-	return vec3(blendHardMix(base.r,blend.r),blendHardMix(base.g,blend.g),blendHardMix(base.b,blend.b));
-}
-
-vec3 blendHardMix(vec3 base, vec3 blend, float opacity) {
-	return (blendHardMix(base, blend) * opacity + base * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendHardMix)
-#olive name Hard Mix
\ No newline at end of file
diff --git a/effects/lighten.blend b/effects/lighten.blend
deleted file mode 100644
index 37f3708da..000000000
--- a/effects/lighten.blend
+++ /dev/null
@@ -1,14 +0,0 @@
-float blendLighten(float base, float blend) {
-	return max(blend,base);
-}
-
-vec3 blendLighten(vec3 base, vec3 blend) {
-	return vec3(blendLighten(base.r,blend.r),blendLighten(base.g,blend.g),blendLighten(base.b,blend.b));
-}
-
-vec3 blendLighten(vec3 base, vec3 blend, float opacity) {
-	return (blendLighten(base, blend) * opacity + base * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendLighten)
-#olive name Lighten
\ No newline at end of file
diff --git a/effects/linear-burn.blend b/effects/linear-burn.blend
deleted file mode 100644
index 6bbce530c..000000000
--- a/effects/linear-burn.blend
+++ /dev/null
@@ -1,16 +0,0 @@
-float blendLinearBurn(float base, float blend) {
-	// Note : Same implementation as BlendSubtractf
-	return max(base+blend-1.0,0.0);
-}
-
-vec3 blendLinearBurn(vec3 base, vec3 blend) {
-	// Note : Same implementation as BlendSubtract
-	return max(base+blend-vec3(1.0),vec3(0.0));
-}
-
-vec3 blendLinearBurn(vec3 base, vec3 blend, float opacity) {
-	return (blendLinearBurn(base, blend) * opacity + base * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendLinearBurn)
-#olive name Linear Burn
\ No newline at end of file
diff --git a/effects/linear-dodge.blend b/effects/linear-dodge.blend
deleted file mode 100644
index 1a5cb5709..000000000
--- a/effects/linear-dodge.blend
+++ /dev/null
@@ -1,16 +0,0 @@
-float blendLinearDodge(float base, float blend) {
-	// Note : Same implementation as BlendAddf
-	return min(base+blend,1.0);
-}
-
-vec3 blendLinearDodge(vec3 base, vec3 blend) {
-	// Note : Same implementation as BlendAdd
-	return min(base+blend,vec3(1.0));
-}
-
-vec3 blendLinearDodge(vec3 base, vec3 blend, float opacity) {
-	return (blendLinearDodge(base, blend) * opacity + base * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendLinearDodge)
-#olive name Linear Dodge
\ No newline at end of file
diff --git a/effects/linear-light.blend b/effects/linear-light.blend
deleted file mode 100644
index 97d8b02cc..000000000
--- a/effects/linear-light.blend
+++ /dev/null
@@ -1,17 +0,0 @@
-#pragma glslify: blendLinearDodge = require(./linear-dodge)
-#pragma glslify: blendLinearBurn = require(./linear-burn)
-
-float blendLinearLight(float base, float blend) {
-	return blend<0.5?blendLinearBurn(base,(2.0*blend)):blendLinearDodge(base,(2.0*(blend-0.5)));
-}
-
-vec3 blendLinearLight(vec3 base, vec3 blend) {
-	return vec3(blendLinearLight(base.r,blend.r),blendLinearLight(base.g,blend.g),blendLinearLight(base.b,blend.b));
-}
-
-vec3 blendLinearLight(vec3 base, vec3 blend, float opacity) {
-	return (blendLinearLight(base, blend) * opacity + base * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendLinearLight)
-#olive name Linear Light
\ No newline at end of file
diff --git a/effects/multiply.blend b/effects/multiply.blend
deleted file mode 100644
index 55ed2d341..000000000
--- a/effects/multiply.blend
+++ /dev/null
@@ -1,10 +0,0 @@
-vec3 blendMultiply(vec3 base, vec3 blend) {
-	return base*blend;
-}
-
-vec3 blendMultiply(vec3 base, vec3 blend, float opacity) {
-	return (blendMultiply(base, blend) * opacity + base * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendMultiply)
-#olive name Multiply
\ No newline at end of file
diff --git a/effects/negation.blend b/effects/negation.blend
deleted file mode 100644
index 6b8c812b5..000000000
--- a/effects/negation.blend
+++ /dev/null
@@ -1,10 +0,0 @@
-vec3 blendNegation(vec3 base, vec3 blend) {
-	return vec3(1.0)-abs(vec3(1.0)-base-blend);
-}
-
-vec3 blendNegation(vec3 base, vec3 blend, float opacity) {
-	return (blendNegation(base, blend) * opacity + base * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendNegation)
-#olive name Negation
\ No newline at end of file
diff --git a/effects/normal.blend b/effects/normal.blend
deleted file mode 100644
index a3fc1b63b..000000000
--- a/effects/normal.blend
+++ /dev/null
@@ -1,10 +0,0 @@
-vec3 blendNormal(vec3 base, vec3 blend) {
-	return blend;
-}
-
-vec3 blendNormal(vec3 base, vec3 blend, float opacity) {
-	return (blendNormal(base, blend) * opacity + base * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendNormal)
-#olive name Normal
\ No newline at end of file
diff --git a/effects/overlay.blend b/effects/overlay.blend
deleted file mode 100644
index 4500d21be..000000000
--- a/effects/overlay.blend
+++ /dev/null
@@ -1,14 +0,0 @@
-float blendOverlay(float base, float blend) {
-	return base<0.5?(2.0*base*blend):(1.0-2.0*(1.0-base)*(1.0-blend));
-}
-
-vec3 blendOverlay(vec3 base, vec3 blend) {
-	return vec3(blendOverlay(base.r,blend.r),blendOverlay(base.g,blend.g),blendOverlay(base.b,blend.b));
-}
-
-vec3 blendOverlay(vec3 base, vec3 blend, float opacity) {
-	return (blendOverlay(base, blend) * opacity + base * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendOverlay)
-#olive name Overlay
\ No newline at end of file
diff --git a/effects/phoenix.blend b/effects/phoenix.blend
deleted file mode 100644
index 096139621..000000000
--- a/effects/phoenix.blend
+++ /dev/null
@@ -1,10 +0,0 @@
-vec3 blendPhoenix(vec3 base, vec3 blend) {
-	return min(base,blend)-max(base,blend)+vec3(1.0);
-}
-
-vec3 blendPhoenix(vec3 base, vec3 blend, float opacity) {
-	return (blendPhoenix(base, blend) * opacity + base * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendPhoenix)
-#olive name Phoenix
\ No newline at end of file
diff --git a/effects/pin-light.blend b/effects/pin-light.blend
deleted file mode 100644
index bff45cf31..000000000
--- a/effects/pin-light.blend
+++ /dev/null
@@ -1,17 +0,0 @@
-#pragma glslify: blendLighten = require(./lighten)
-#pragma glslify: blendDarken = require(./darken)
-
-float blendPinLight(float base, float blend) {
-	return (blend<0.5)?blendDarken(base,(2.0*blend)):blendLighten(base,(2.0*(blend-0.5)));
-}
-
-vec3 blendPinLight(vec3 base, vec3 blend) {
-	return vec3(blendPinLight(base.r,blend.r),blendPinLight(base.g,blend.g),blendPinLight(base.b,blend.b));
-}
-
-vec3 blendPinLight(vec3 base, vec3 blend, float opacity) {
-	return (blendPinLight(base, blend) * opacity + base * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendPinLight)
-#olive name Pin Light
\ No newline at end of file
diff --git a/effects/reflect.blend b/effects/reflect.blend
deleted file mode 100644
index 75578520b..000000000
--- a/effects/reflect.blend
+++ /dev/null
@@ -1,14 +0,0 @@
-float blendReflect(float base, float blend) {
-	return (blend==1.0)?blend:min(base*base/(1.0-blend),1.0);
-}
-
-vec3 blendReflect(vec3 base, vec3 blend) {
-	return vec3(blendReflect(base.r,blend.r),blendReflect(base.g,blend.g),blendReflect(base.b,blend.b));
-}
-
-vec3 blendReflect(vec3 base, vec3 blend, float opacity) {
-	return (blendReflect(base, blend) * opacity + base * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendReflect)
-#olive name Reflect
\ No newline at end of file
diff --git a/effects/screen.blend b/effects/screen.blend
deleted file mode 100644
index f2c4ce838..000000000
--- a/effects/screen.blend
+++ /dev/null
@@ -1,14 +0,0 @@
-float blendScreen(float base, float blend) {
-	return 1.0-((1.0-base)*(1.0-blend));
-}
-
-vec3 blendScreen(vec3 base, vec3 blend) {
-	return vec3(blendScreen(base.r,blend.r),blendScreen(base.g,blend.g),blendScreen(base.b,blend.b));
-}
-
-vec3 blendScreen(vec3 base, vec3 blend, float opacity) {
-	return (blendScreen(base, blend) * opacity + base * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendScreen)
-#olive name Screen
\ No newline at end of file
diff --git a/effects/soft-light.blend b/effects/soft-light.blend
deleted file mode 100644
index 8a6991214..000000000
--- a/effects/soft-light.blend
+++ /dev/null
@@ -1,14 +0,0 @@
-float blendSoftLight(float base, float blend) {
-	return (blend<0.5)?(2.0*base*blend+base*base*(1.0-2.0*blend)):(sqrt(base)*(2.0*blend-1.0)+2.0*base*(1.0-blend));
-}
-
-vec3 blendSoftLight(vec3 base, vec3 blend) {
-	return vec3(blendSoftLight(base.r,blend.r),blendSoftLight(base.g,blend.g),blendSoftLight(base.b,blend.b));
-}
-
-vec3 blendSoftLight(vec3 base, vec3 blend, float opacity) {
-	return (blendSoftLight(base, blend) * opacity + base * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendSoftLight)
-#olive name Soft Light
\ No newline at end of file
diff --git a/effects/substract.blend b/effects/substract.blend
deleted file mode 100644
index 2e3804719..000000000
--- a/effects/substract.blend
+++ /dev/null
@@ -1,14 +0,0 @@
-float blendSubstract(float base, float blend) {
-	return max(base+blend-1.0,0.0);
-}
-
-vec3 blendSubstract(vec3 base, vec3 blend) {
-	return max(base+blend-vec3(1.0),vec3(0.0));
-}
-
-vec3 blendSubstract(vec3 base, vec3 blend, float opacity) {
-	return (blendSubstract(base, blend) * opacity + blend * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendSubstract)
-#olive name Substract
\ No newline at end of file
diff --git a/effects/subtract.blend b/effects/subtract.blend
deleted file mode 100644
index aa93f2fab..000000000
--- a/effects/subtract.blend
+++ /dev/null
@@ -1,14 +0,0 @@
-float blendSubtract(float base, float blend) {
-	return max(base+blend-1.0,0.0);
-}
-
-vec3 blendSubtract(vec3 base, vec3 blend) {
-	return max(base+blend-vec3(1.0),vec3(0.0));
-}
-
-vec3 blendSubtract(vec3 base, vec3 blend, float opacity) {
-	return (blendSubtract(base, blend) * opacity + base * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendSubtract)
-#olive name Subtract
\ No newline at end of file
diff --git a/effects/vivid-light.blend b/effects/vivid-light.blend
deleted file mode 100644
index 2f5fc9469..000000000
--- a/effects/vivid-light.blend
+++ /dev/null
@@ -1,17 +0,0 @@
-#pragma glslify: blendColorDodge = require(./color-dodge)
-#pragma glslify: blendColorBurn = require(./color-burn)
-
-float blendVividLight(float base, float blend) {
-	return (blend<0.5)?blendColorBurn(base,(2.0*blend)):blendColorDodge(base,(2.0*(blend-0.5)));
-}
-
-vec3 blendVividLight(vec3 base, vec3 blend) {
-	return vec3(blendVividLight(base.r,blend.r),blendVividLight(base.g,blend.g),blendVividLight(base.b,blend.b));
-}
-
-vec3 blendVividLight(vec3 base, vec3 blend, float opacity) {
-	return (blendVividLight(base, blend) * opacity + base * (1.0 - opacity));
-}
-
-#pragma glslify: export(blendVividLight)
-#olive name Vivid Light
\ No newline at end of file