From ad1013e60bd98c2cce30ed84f4eb1d8a759803eb Mon Sep 17 00:00:00 2001
From: itsmattkc <itsmattkc@gmail.com>
Date: Wed, 27 Mar 2019 01:05:05 +1100
Subject: [PATCH] ported some glsl effects to gles

---
 effects/effect.cpp                            | 14 +++++++++-
 effects/effect.h                              |  1 +
 effects/shaders/boxblur.frag                  | 22 ++++++----------
 effects/shaders/boxblur.xml                   |  2 +-
 effects/shaders/chromaticaberration.frag      | 19 +++++---------
 effects/shaders/crop.frag                     | 26 ++++++-------------
 effects/shaders/directionalblur.frag          | 12 +++------
 effects/shaders/{ => discard}/common.frag     |  0
 effects/shaders/{ => discard}/common.vert     |  0
 effects/shaders/discard/invert.frag           |  7 +++++
 effects/shaders/{ => discard}/invert.xml      |  0
 effects/shaders/{ => discard}/posterize.frag  | 10 ++-----
 effects/shaders/{ => discard}/posterize.xml   |  0
 effects/shaders/discard/volumetriclight.frag  | 15 +++++++++++
 .../shaders/{ => discard}/volumetriclight.xml |  0
 effects/shaders/gaussianblur.frag             | 19 +++++---------
 effects/shaders/invert.frag                   | 13 ----------
 effects/shaders/noise.frag                    | 24 ++++-------------
 effects/shaders/pixelate.frag                 | 12 +++------
 effects/shaders/radialblur.frag               | 11 +++-----
 effects/shaders/ripple.frag                   | 13 +++-------
 effects/shaders/sphere.frag                   | 17 +++++-------
 effects/shaders/swirl.frag                    | 12 +++------
 effects/shaders/volumetriclight.frag          | 19 --------------
 effects/shaders/wave.frag                     | 25 +++++-------------
 panels/project.cpp                            |  1 +
 project/loadthread.cpp                        |  2 ++
 timeline/clip.cpp                             |  4 +++
 28 files changed, 112 insertions(+), 188 deletions(-)
 rename effects/shaders/{ => discard}/common.frag (100%)
 rename effects/shaders/{ => discard}/common.vert (100%)
 create mode 100644 effects/shaders/discard/invert.frag
 rename effects/shaders/{ => discard}/invert.xml (100%)
 rename effects/shaders/{ => discard}/posterize.frag (59%)
 rename effects/shaders/{ => discard}/posterize.xml (100%)
 create mode 100644 effects/shaders/discard/volumetriclight.frag
 rename effects/shaders/{ => discard}/volumetriclight.xml (100%)
 delete mode 100644 effects/shaders/invert.frag
 delete mode 100644 effects/shaders/volumetriclight.frag

diff --git a/effects/effect.cpp b/effects/effect.cpp
index 4e09326ad..bc2592cae 100644
--- a/effects/effect.cpp
+++ b/effects/effect.cpp
@@ -307,6 +307,8 @@ Effect::Effect(Clip* c, const EffectMeta *em) :
                 shader_frag_path_ = attr.value().toString();
               } else if (attr.name() == "iterations") {
                 setIterations(attr.value().toInt());
+              } else if (attr.name() == "function") {
+                shader_function_name_ = attr.value().toString();
               }
             }
           }/* else if (reader.name() == "superimpose" && reader.isStartElement()) {
@@ -757,7 +759,17 @@ void Effect::open() {
       }
 
       if (!frag_shader_str.isEmpty()) {
-        shader_program_ = olive::shader::GetPipeline("process", frag_shader_str);
+
+        QString shader_func;
+
+        if (!shader_function_name_.isEmpty()) {
+          shader_func = shader_function_name_;
+        } else {
+          shader_func = "process";
+        }
+
+        shader_program_ = olive::shader::GetPipeline(shader_func, frag_shader_str);
+
       }
 
       /*
diff --git a/effects/effect.h b/effects/effect.h
index 2e3252d8b..6871009a7 100644
--- a/effects/effect.h
+++ b/effects/effect.h
@@ -226,6 +226,7 @@ protected:
   QOpenGLShaderProgramPtr shader_program_;
   QString shader_vert_path_;
   QString shader_frag_path_;
+  QString shader_function_name_;
 
   // superimpose effect
   QImage img;
diff --git a/effects/shaders/boxblur.frag b/effects/shaders/boxblur.frag
index 3da0380bc..a9479c135 100644
--- a/effects/shaders/boxblur.frag
+++ b/effects/shaders/boxblur.frag
@@ -1,16 +1,10 @@
-#version 110
-
-uniform sampler2D image;
-
 uniform float radius;
-uniform vec2 resolution;
 uniform bool horiz_blur;
 uniform bool vert_blur;
 uniform int iteration;
+uniform vec2 resolution;
 
-varying vec2 vTexCoord;
-
-void main(void) {
+vec4 process(vec4 col) {
 	float rad = ceil(radius);
 	
 	float divider = 1.0 / rad;		
@@ -19,15 +13,15 @@ void main(void) {
 
 	if (iteration == 0 && horiz_blur && !radius_is_zero) {
 		for (float x=-rad+0.5;x<=rad;x+=2.0) {					
-			color += texture2D(image, (vec2(gl_FragCoord.x+x, gl_FragCoord.y))/resolution)*(divider);
+			color += texture2D(texture, vec2(gl_FragCoord.x+x, gl_FragCoord.y)/resolution)*(divider);
 		}
-		gl_FragColor = color;
+		return color;
 	} else if (iteration == 1 && vert_blur && !radius_is_zero) {
 		for (float x=-rad+0.5;x<=rad;x+=2.0) {					
-			color += texture2D(image, (vec2(gl_FragCoord.x, gl_FragCoord.y+x))/resolution)*(divider);
+			color += texture2D(texture, vec2(gl_FragCoord.x, gl_FragCoord.y+x)/resolution)*(divider);
 		}
-		gl_FragColor = color;
+		return color;
 	} else {
-		gl_FragColor = texture2D(image, vTexCoord);
+		return col;
 	}
-}
\ No newline at end of file
+}
diff --git a/effects/shaders/boxblur.xml b/effects/shaders/boxblur.xml
index a6c0cb491..59bf40ca2 100644
--- a/effects/shaders/boxblur.xml
+++ b/effects/shaders/boxblur.xml
@@ -9,5 +9,5 @@
 	<row name="Vertical">
 		<field type="bool" default="1" id="vert_blur"/>
 	</row>
-	<shader vert="common.vert" frag="boxblur.frag" iterations="2"/>
+	<shader vert="common.vert" frag="boxblur.frag" iterations="2" />
 </effect>
\ No newline at end of file
diff --git a/effects/shaders/chromaticaberration.frag b/effects/shaders/chromaticaberration.frag
index ff9ddfa96..1b795f348 100644
--- a/effects/shaders/chromaticaberration.frag
+++ b/effects/shaders/chromaticaberration.frag
@@ -1,22 +1,17 @@
-#version 110
-
-uniform vec2 resolution;
-
-uniform sampler2D tex;
-varying vec2 vTexCoord;
-
 uniform float red_amount;
 uniform float green_amount;
 uniform float blue_amount;
 
-void main(void) {
+uniform vec2 resolution;
+
+vec4 process(vec4 col) {
 	vec2 rOffset = vec2(red_amount*0.01)/resolution;
 	vec2 gOffset = vec2(green_amount*0.01)/resolution;
 	vec2 bOffset = vec2(blue_amount*0.01)/resolution;
 
-    vec4 rValue = texture2D(tex, vTexCoord - rOffset);
-    vec4 gValue = texture2D(tex, vTexCoord - gOffset);
-    vec4 bValue = texture2D(tex, vTexCoord - bOffset);
+    vec4 rValue = texture2D(texture, v_texcoord - rOffset);
+    vec4 gValue = texture2D(texture, v_texcoord - gOffset);
+    vec4 bValue = texture2D(texture, v_texcoord - bOffset);
 
-    gl_FragColor = vec4(rValue.r, gValue.g, bValue.b, texture2D(tex, vTexCoord).a);
+    return vec4(rValue.r, gValue.g, bValue.b, col.a);
 }
\ No newline at end of file
diff --git a/effects/shaders/crop.frag b/effects/shaders/crop.frag
index 7fed98944..062f22c2f 100644
--- a/effects/shaders/crop.frag
+++ b/effects/shaders/crop.frag
@@ -1,5 +1,3 @@
-#version 110
-
 uniform float left;
 uniform float top;
 uniform float right;
@@ -7,28 +5,20 @@ uniform float bottom;
 uniform float feather;
 
 uniform mediump float amount_val;
-uniform sampler2D myTexture;
-varying vec2 vTexCoord;
 
-void main(void) {
-	vec4 textureColor = texture2D(myTexture, vec2(vTexCoord.x, vTexCoord.y));
-	float alpha = textureColor.a;
+vec4 process(vec4 col) {
+	float alpha = col.a;
 	if (feather == 0.0) {
-		if (vTexCoord.x < (left*0.01) || vTexCoord.y < (top*0.01) || vTexCoord.x > (1.0-(right*0.01)) || vTexCoord.y > (1.0-(bottom*0.01))) {
+		if (v_texcoord.x < (left*0.01) || v_texcoord.y < (top*0.01) || v_texcoord.x > (1.0-(right*0.01)) || v_texcoord.y > (1.0-(bottom*0.01))) {
 			alpha = 0.0;
 		}
 	} else {
 		float f = pow(2.0, 10.0-(feather*0.1));
-		if (left > 0.0) alpha = alpha * clamp(((vTexCoord.x+(0.5/f))-(left*0.01))*f, 0.0, 1.0); // left
-		if (top > 0.0) alpha = alpha * clamp(((vTexCoord.y+(0.5/f))-(top*0.01))*f, 0.0, 1.0); // top
-		if (right > 0.0) alpha = alpha * clamp((((1.0-vTexCoord.x)+(0.5/f))-(right*0.01))*f, 0.0, 1.0); // right
-		if (bottom > 0.0) alpha = alpha * clamp((((1.0-vTexCoord.y)+(0.5/f))-(bottom*0.01))*f, 0.0, 1.0); // bottom
+		if (left > 0.0) alpha = alpha * clamp(((v_texcoord.x+(0.5/f))-(left*0.01))*f, 0.0, 1.0); // left
+		if (top > 0.0) alpha = alpha * clamp(((v_texcoord.y+(0.5/f))-(top*0.01))*f, 0.0, 1.0); // top
+		if (right > 0.0) alpha = alpha * clamp((((1.0-v_texcoord.x)+(0.5/f))-(right*0.01))*f, 0.0, 1.0); // right
+		if (bottom > 0.0) alpha = alpha * clamp((((1.0-v_texcoord.y)+(0.5/f))-(bottom*0.01))*f, 0.0, 1.0); // bottom
 	}
 
-	gl_FragColor = vec4(
-		textureColor.r*alpha,
-		textureColor.g*alpha,
-		textureColor.b*alpha,
-		alpha
-	);
+	return vec4(col.rgb*alpha, alpha);
 }
\ No newline at end of file
diff --git a/effects/shaders/directionalblur.frag b/effects/shaders/directionalblur.frag
index e04d350ed..86c8ac079 100644
--- a/effects/shaders/directionalblur.frag
+++ b/effects/shaders/directionalblur.frag
@@ -1,15 +1,11 @@
-#version 110
-
 #define M_PI 3.1415926535897932384626433832795
 
-uniform sampler2D image;
-
 uniform float angle; // degrees
 uniform float length;
 
 uniform vec2 resolution;
 
-void main(void) {
+vec4 process(vec4 col) {
 	if (length > 0.0) {
 		float ceillen = ceil(length);
 		float radians = (angle*M_PI)/180.0;
@@ -21,10 +17,10 @@ void main(void) {
 		for (float i=-ceillen+0.5;i<=ceillen;i+=2.0) {
 			float y = sin_angle * i;
 			float x = cos_angle * i;
-			color += texture2D(image, vec2(gl_FragCoord.x+x, gl_FragCoord.y+y)/resolution)*(divider);
+			color += texture2D(texture, vec2(gl_FragCoord.x+x, gl_FragCoord.y+y)/resolution)*(divider);
 		}
-		gl_FragColor = color;
+		return color;
 	} else {
-		gl_FragColor = texture2D(image, gl_FragCoord.xy/resolution);
+		return col;
 	}
 }
\ No newline at end of file
diff --git a/effects/shaders/common.frag b/effects/shaders/discard/common.frag
similarity index 100%
rename from effects/shaders/common.frag
rename to effects/shaders/discard/common.frag
diff --git a/effects/shaders/common.vert b/effects/shaders/discard/common.vert
similarity index 100%
rename from effects/shaders/common.vert
rename to effects/shaders/discard/common.vert
diff --git a/effects/shaders/discard/invert.frag b/effects/shaders/discard/invert.frag
new file mode 100644
index 000000000..bcfa87612
--- /dev/null
+++ b/effects/shaders/discard/invert.frag
@@ -0,0 +1,7 @@
+uniform float amount;
+
+vec4 process(vec4 col) {
+	float amount_val = amount * 0.01;
+	vec3 color = col.rgb+((vec3(1.0)-col.rgb-col.rgb)*vec3(amount_val));
+	return vec4(color, col.a);
+}
\ No newline at end of file
diff --git a/effects/shaders/invert.xml b/effects/shaders/discard/invert.xml
similarity index 100%
rename from effects/shaders/invert.xml
rename to effects/shaders/discard/invert.xml
diff --git a/effects/shaders/posterize.frag b/effects/shaders/discard/posterize.frag
similarity index 59%
rename from effects/shaders/posterize.frag
rename to effects/shaders/discard/posterize.frag
index a3144450b..85ee2c1dc 100644
--- a/effects/shaders/posterize.frag
+++ b/effects/shaders/discard/posterize.frag
@@ -1,19 +1,13 @@
-#version 110
-
-uniform sampler2D sceneTex; // 0
 uniform float gamma_cent; // 0.6
 uniform float numColors; // 8.0
 
-varying vec2 vTexCoord;
-
-void main() {
+vec4 process(vec4 color) {
 	float gamma = gamma_cent*0.01;
-	vec4 color = texture2D(sceneTex, vTexCoord);
 	vec3 c = color.rgb;
 	c = pow(c, vec3(gamma, gamma, gamma));
 	c = c * numColors;
 	c = floor(c);
 	c = c / numColors;
 	c = pow(c, vec3(1.0/gamma));
-	gl_FragColor = vec4(c, color.a);
+	return vec4(c, color.a);
 }
\ No newline at end of file
diff --git a/effects/shaders/posterize.xml b/effects/shaders/discard/posterize.xml
similarity index 100%
rename from effects/shaders/posterize.xml
rename to effects/shaders/discard/posterize.xml
diff --git a/effects/shaders/discard/volumetriclight.frag b/effects/shaders/discard/volumetriclight.frag
new file mode 100644
index 000000000..bf27e17d7
--- /dev/null
+++ b/effects/shaders/discard/volumetriclight.frag
@@ -0,0 +1,15 @@
+uniform float amount;
+
+uniform vec2 resolution; // screen resolution
+
+vec4 process(vec4 col)  {
+	float alpha = texture2D(texture, v_texcoord)[3];
+
+	vec3 p = gl_FragCoord.xyz/vec3(resolution, 1.0)-.5;
+	vec4 color = texture2D(texture,.5+(p.xy*=.992));
+	vec3 o = color.rgb;
+	for (float i=0.;i<amount;i++) {
+		p.z += pow(max(0.,.5-length(color.rg)),2.)*exp(-i*.08);
+	}
+	return vec4(o*o+p.z, alpha);
+}
\ No newline at end of file
diff --git a/effects/shaders/volumetriclight.xml b/effects/shaders/discard/volumetriclight.xml
similarity index 100%
rename from effects/shaders/volumetriclight.xml
rename to effects/shaders/discard/volumetriclight.xml
diff --git a/effects/shaders/gaussianblur.frag b/effects/shaders/gaussianblur.frag
index 80aaedb18..8d98f81b8 100644
--- a/effects/shaders/gaussianblur.frag
+++ b/effects/shaders/gaussianblur.frag
@@ -1,18 +1,11 @@
-#version 110
-
 #define M_PI 3.1415926535897932384626433832795
 
-uniform sampler2D image;
-
-// uniform float radius;
 uniform float sigma;
 uniform vec2 resolution;
 uniform bool horiz_blur;
 uniform bool vert_blur;
 uniform int iteration;
 
-varying vec2 vTexCoord;
-
 float gaussian(float x, float sigma) {
 	return (1.0/(sigma*sqrt(2.0*M_PI)))*exp(-0.5*pow(x/sigma, 2.0));
 }
@@ -21,7 +14,7 @@ float gaussian2(float x, float y, float sigma) {
 	return (1.0/(pow(sigma, 2.0)*2.0*M_PI))*exp(-0.5*((pow(x, 2.0) + pow(y, 2.0))/pow(sigma, 2.0)));
 }
 
-void main(void) {
+vec4 process(vec4 col) {
 	float rad = ceil(sigma);
 
 	float sum = 0.0;
@@ -39,16 +32,16 @@ void main(void) {
 	if (iteration == 0 && horiz_blur && !radius_is_zero) {
 		for (float x=-rad+0.5;x<=rad;x+=2.0) {
 			float weight = (gaussian2(x, 0.0, sigma)/sum);
-			color += texture2D(image, (vec2(gl_FragCoord.x+x, gl_FragCoord.y))/resolution)*(weight);
+			color += texture2D(texture, vec2(gl_FragCoord.x+x, gl_FragCoord.y)/resolution)*(weight);
 		}
-		gl_FragColor = color;
+		return color;
 	} else if (iteration == 1 && vert_blur && !radius_is_zero) {
 		for (float x=-rad+0.5;x<=rad;x+=2.0) {
 			float weight = (gaussian2(0.0, x, sigma)/sum);
-			color += texture2D(image, (vec2(gl_FragCoord.x, gl_FragCoord.y+x))/resolution)*(weight);
+			color += texture2D(texture, vec2(gl_FragCoord.x, gl_FragCoord.y+x)/resolution)*(weight);
 		}
-		gl_FragColor = color;
+		return color;
 	} else {
-		gl_FragColor = texture2D(image, vTexCoord);
+		return col;
 	}
 }
\ No newline at end of file
diff --git a/effects/shaders/invert.frag b/effects/shaders/invert.frag
deleted file mode 100644
index 7ad7178a7..000000000
--- a/effects/shaders/invert.frag
+++ /dev/null
@@ -1,13 +0,0 @@
-#version 110
-
-uniform float amount;
-
-uniform sampler2D myTexture;
-varying vec2 vTexCoord;
-
-void main(void) {
-	vec4 textureColor = texture2D(myTexture, vTexCoord);
-	float amount_val = amount * 0.01;
-	vec3 col = textureColor.rgb+((vec3(1.0)-textureColor.rgb-textureColor.rgb)*vec3(amount_val));
-	gl_FragColor = vec4(col, textureColor.a);
-}
\ No newline at end of file
diff --git a/effects/shaders/noise.frag b/effects/shaders/noise.frag
index 9899534b4..59a7904a6 100644
--- a/effects/shaders/noise.frag
+++ b/effects/shaders/noise.frag
@@ -1,5 +1,3 @@
-#version 110
-
 uniform vec2 resolution;
 uniform float time;
 
@@ -7,9 +5,6 @@ uniform float amount;
 uniform bool color;
 uniform bool blend;
 
-uniform sampler2D myTexture;
-varying vec2 vTexCoord;
-
 // precision lowp    float;
 
 float PHI = 1.61803398874989484820459 * 00000.1; // Golden Ratio   
@@ -20,28 +15,19 @@ float gold_noise(vec2 coordinate, float seed){
     return fract(tan(distance(coordinate*(seed+PHI), vec2(PHI, PI)))*SQ2)*(amount*0.01);
 }
 
-void main(void) {
+vec4 process(vec4 col) {
 	vec3 noise;
 	if (color) {
-		noise = vec3(gold_noise(vTexCoord, time + 42069.0), gold_noise(vTexCoord, time + 69220.0), gold_noise(vTexCoord, time + 1337.0));
+		noise = vec3(gold_noise(v_texcoord, time + 42069.0), gold_noise(v_texcoord, time + 69220.0), gold_noise(v_texcoord, time + 1337.0));
 	} else {
-		noise = vec3(gold_noise(vTexCoord, time + 69420.0));
+		noise = vec3(gold_noise(v_texcoord, time + 69420.0));
 	}
 
 	if (blend) {
 		noise = (noise - vec3(amount*0.005))*vec3(2.0);
 
-		vec4 textureColor = texture2D(myTexture, vec2(vTexCoord.x, vTexCoord.y));
-		gl_FragColor = vec4(textureColor.rgb+noise, textureColor.a);
+		return vec4(col.rgb+noise, col.a);
 	} else {
-		gl_FragColor = vec4(noise, 1.0);
+		return vec4(noise, 1.0);
 	}
 }
-
-/*void main(void) {
-	vec4 textureColor = texture2D(myTexture, vec2(vTexCoord.x, vTexCoord.y));
-	textureColor.r += gold_noise(resolution);
-	textureColor.g += gold_noise(resolution);
-	textureColor.b += gold_noise(resolution);
-	gl_FragColor = textureColor;
-}*/
\ No newline at end of file
diff --git a/effects/shaders/pixelate.frag b/effects/shaders/pixelate.frag
index 9a1f49ed8..c5e00af00 100644
--- a/effects/shaders/pixelate.frag
+++ b/effects/shaders/pixelate.frag
@@ -1,20 +1,16 @@
-#version 110
-
-varying vec2 vTexCoord;
-uniform sampler2D texture;
 uniform float pixels_x;
 uniform float pixels_y;
 uniform bool bypass;
 
-void main(void) {
+vec4 process(vec4 col) {
 	if (bypass) {
-		gl_FragColor = texture2D(texture, vTexCoord);
+		return col;
 	} else {
-		vec2 p = vTexCoord;
+		vec2 p = v_texcoord;
 
 		p.x -= mod(p.x, 1.0 / pixels_x);
 		p.y -= mod(p.y, 1.0 / pixels_y);
 
-		gl_FragColor = texture2D(texture, p);
+		return texture2D(texture, p);
 	}  	
 }
\ No newline at end of file
diff --git a/effects/shaders/radialblur.frag b/effects/shaders/radialblur.frag
index e32cfb662..203ad81f6 100644
--- a/effects/shaders/radialblur.frag
+++ b/effects/shaders/radialblur.frag
@@ -1,15 +1,12 @@
-#version 110
-
 #define M_PI 3.1415926535897932384626433832795
 
-uniform sampler2D image;
 uniform float radius;
 uniform float center_x;
 uniform float center_y;
 
 uniform vec2 resolution;
 
-void main(void) {
+vec4 process(vec4 col) {
 	if (radius > 0.0) {
 		vec2 distance = vec2((gl_FragCoord.x - (resolution.x/2.0) - center_x), (gl_FragCoord.y - (resolution.y/2.0) - center_y));
 
@@ -28,10 +25,10 @@ void main(void) {
 		for (float i=-limit+0.5;i<=limit;i+=2.0) {
 			float y = sin_angle * i;
 			float x = cos_angle * i;
-			color += texture2D(image, vec2(gl_FragCoord.x+x, gl_FragCoord.y+y)/resolution)*(divider);
+			color += texture2D(texture, vec2(gl_FragCoord.x+x, gl_FragCoord.y+y)/resolution)*(divider);
 		}
-		gl_FragColor = color;
+		return color;
 	} else {
-		gl_FragColor = texture2D(image, gl_FragCoord.xy/resolution);
+		return col;
 	}
 }
\ No newline at end of file
diff --git a/effects/shaders/ripple.frag b/effects/shaders/ripple.frag
index 03c91a5ce..b9fc951f0 100644
--- a/effects/shaders/ripple.frag
+++ b/effects/shaders/ripple.frag
@@ -1,7 +1,3 @@
-#version 110
-
-varying vec2 vTexCoord;
-
 uniform float speed;
 uniform float intensity;
 uniform float frequency;
@@ -12,10 +8,9 @@ uniform bool stretch;
 
 uniform vec2 resolution; // Screen resolution
 uniform float time; // time in seconds
-uniform sampler2D tex0; // scene buffer
 
-void main(void) {
-	vec2 texCoord = vTexCoord;
+vec4 process(vec4 col) {
+	vec2 texCoord = v_texcoord;
 	vec2 center = vec2(1.0);
 
 	if (!stretch) {
@@ -29,6 +24,6 @@ void main(void) {
 
 	vec2 p = 2.0 * texCoord - center;
 	float len = length(p);
-	vec2 uv = vTexCoord + (p/len)*cos((frequency*0.01)*(len*12.0-real_time*(speed*0.05)))*(intensity*0.0005);
-	gl_FragColor = texture2D(tex0,uv);  
+	vec2 uv = v_texcoord + (p/len)*cos((frequency*0.01)*(len*12.0-real_time*(speed*0.05)))*(intensity*0.0005);
+	return texture2D(texture, uv);  
 }
\ No newline at end of file
diff --git a/effects/shaders/sphere.frag b/effects/shaders/sphere.frag
index 2445b37a4..6496dd5b3 100644
--- a/effects/shaders/sphere.frag
+++ b/effects/shaders/sphere.frag
@@ -1,9 +1,4 @@
-#version 110
-
-varying vec2 vTexCoord;
-
 uniform vec2 resolution; // Screen resolution
-uniform sampler2D tex0; // scene buffer
 
 uniform float xoff;
 uniform float yoff;
@@ -12,8 +7,8 @@ uniform bool tile;
 uniform bool hide_edges;
 uniform bool stretch;
 
-void main(void) {
-	vec2 texCoord = vTexCoord;
+vec4 process(vec4 col) {
+	vec2 texCoord = v_texcoord;
 
 	vec2 offset = vec2(1.0);
 
@@ -28,7 +23,7 @@ void main(void) {
 	}
 
 	vec2 p = 2.0 * texCoord - offset;
-	vec2 adj_tc = 2.0 * vTexCoord - 1.0;
+	vec2 adj_tc = 2.0 * v_texcoord - 1.0;
 	float r = dot(p,p);
 	if (r > 1.0) discard; 
 	float f = (1.0-sqrt(1.0-r))/(r);
@@ -39,7 +34,7 @@ void main(void) {
 		uv.x = mod(uv.x, 1.0);
 		uv.y = mod(uv.y, 1.0);
 	} else if (hide_edges && (uv.x < 0.0 || uv.x > 1.0 || uv.y < 0.0 || uv.y > 1.0)) {
-		discard;
+		return vec4(0.0);
 	}
-	gl_FragColor = vec4(texture2D(tex0,uv));
-}
\ No newline at end of file
+	return vec4(texture2D(texture,uv));
+}
diff --git a/effects/shaders/swirl.frag b/effects/shaders/swirl.frag
index e820e3394..94facd048 100644
--- a/effects/shaders/swirl.frag
+++ b/effects/shaders/swirl.frag
@@ -1,5 +1,3 @@
-#version 110
-
 // Swirl effect parameters
 uniform float radius;
 uniform float angle;
@@ -7,13 +5,10 @@ uniform float center_x;
 uniform float center_y;
 uniform vec2 resolution;
 
-uniform sampler2D myTexture;
-varying vec2 vTexCoord;
-
-void main(void) {
+vec4 process(vec4 col) {
 	vec2 center = vec2((resolution.x*0.5)+center_x, (resolution.y*0.5)+center_y);
 
-	vec2 uv = vTexCoord.st;
+	vec2 uv = v_texcoord.st;
 
 	vec2 tc = uv * resolution;
 	tc -= center;
@@ -26,6 +21,5 @@ void main(void) {
 		tc = vec2(dot(tc, vec2(c, -s)), dot(tc, vec2(s, c)));
 	}
 	tc += center;
-	vec3 color = texture2D(myTexture, tc / resolution).rgb;
-	gl_FragColor = vec4(color, 1.0);
+	return texture2D(texture, tc / resolution);
 }
\ No newline at end of file
diff --git a/effects/shaders/volumetriclight.frag b/effects/shaders/volumetriclight.frag
deleted file mode 100644
index cfeeb9252..000000000
--- a/effects/shaders/volumetriclight.frag
+++ /dev/null
@@ -1,19 +0,0 @@
-#version 110
-
-uniform float amount;
-
-uniform sampler2D tex0;
-uniform vec2 resolution; // screen resolution
-varying vec2 vTexCoord;
-#define T texture2D(tex0,.5+(p.xy*=.992))
-
-void main()  {
-	float alpha = texture2D(tex0, vTexCoord)[3];
-
-	vec3 p = gl_FragCoord.xyz/vec3(resolution, 1.0)-.5;
-	vec3 o = T.rgb;
-	for (float i=0.;i<amount;i++) {
-		p.z += pow(max(0.,.5-length(T.rg)),2.)*exp(-i*.08);
-	}
-	gl_FragColor=vec4(o*o+p.z, alpha);
-}
\ No newline at end of file
diff --git a/effects/shaders/wave.frag b/effects/shaders/wave.frag
index 40594bece..bb1bc608c 100644
--- a/effects/shaders/wave.frag
+++ b/effects/shaders/wave.frag
@@ -1,32 +1,21 @@
-#version 110
-
 uniform float frequency;
 uniform float intensity;
 uniform float evolution;
 uniform bool vertical;
 
-uniform sampler2D myTexture;
-varying vec2 vTexCoord;
-
-void main(void) {
-	float x = vTexCoord.x;
-	float y = vTexCoord.y;
+vec4 process(vec4 col) {
+	float x = v_texcoord.x;
+	float y = v_texcoord.y;
 
 	if (vertical) {
-		x -= sin((vTexCoord.y-(evolution*0.01))*frequency)*intensity*0.01;
+		x -= sin((v_texcoord.y-(evolution*0.01))*frequency)*intensity*0.01;
 	} else {
-		y -= sin((vTexCoord.x-(evolution*0.01))*frequency)*intensity*0.01;
+		y -= sin((v_texcoord.x-(evolution*0.01))*frequency)*intensity*0.01;
 	}
 
 	if (y < 0.0 || y > 1.0 || x < 0.0 || x > 1.0) {
-		discard;
+		return vec4(0.0);
 	} else {
-		vec4 textureColor = texture2D(myTexture, vec2(x, y));
-		gl_FragColor = vec4(
-			textureColor.r,
-			textureColor.g,
-			textureColor.b,
-			textureColor.a
-		);
+		return texture2D(texture, vec2(x, y));
 	}	
 }
\ No newline at end of file
diff --git a/panels/project.cpp b/panels/project.cpp
index c0ad3439a..697265aa9 100644
--- a/panels/project.cpp
+++ b/panels/project.cpp
@@ -1115,6 +1115,7 @@ void Project::save_folder(QXmlStreamWriter& stream, int type, bool set_ids_only,
           stream.writeAttribute("speed", QString::number(f->speed));
           stream.writeAttribute("alphapremul", QString::number(f->alpha_is_associated));
           stream.writeAttribute("startnumber", QString::number(f->start_number));
+          stream.writeAttribute("colorspace", f->Colorspace());
 
           stream.writeAttribute("proxy", QString::number(f->proxy));
           stream.writeAttribute("proxypath", f->proxy_path);
diff --git a/project/loadthread.cpp b/project/loadthread.cpp
index ca1c49cd5..20ddc66d6 100644
--- a/project/loadthread.cpp
+++ b/project/loadthread.cpp
@@ -356,6 +356,8 @@ bool LoadThread::load_worker(QFile& f, QXmlStreamReader& stream, int type) {
                   f->proxy_path = attr.value().toString();
                 } else if (attr.name() == "startnumber") {
                   f->start_number = attr.value().toInt();
+                } else if (attr.name() == "colorspace") {
+                  f->SetColorspace(attr.value().toString());
                 }
               }
 
diff --git a/timeline/clip.cpp b/timeline/clip.cpp
index c5c62f9e5..a6242a7fe 100644
--- a/timeline/clip.cpp
+++ b/timeline/clip.cpp
@@ -573,6 +573,10 @@ bool Clip::Retrieve()
           f->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
           f->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 
+          // set texture wrapping to clamp
+          f->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+          f->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+
           // queue an allocation ahead
           allocate_data = true;