6 files changed, 135 insertions, 0 deletions
diff --git a/samples/post-processing/shaders/curling.jsl b/samples/post-processing/shaders/curling.jsl
new file mode 100644
index 0000000..dc217a7
--- /dev/null
+++ b/samples/post-processing/shaders/curling.jsl
@@ -0,0 +1,13 @@
+#VERTEX_SHADER
+Vertex vert(Vertex v)
+{
+	return v;
+}
+#END_VERTEX_SHADER
+#FRAGMENT_SHADER
+Color frag(Color col, Texture tex, Vertex v)
+{
+	v.uv.x += sin(v.uv.y * 4 * 2 * 3.14 + jin_Time.x) / (10 + sin(jin_Time.x) * 10);
+	return texel(tex, v.uv);
+}
+#END_FRAGMENT_SHADER
+\ No newline at end of file
diff --git a/samples/post-processing/shaders/noise.jsl b/samples/post-processing/shaders/noise.jsl
new file mode 100644
index 0000000..a2ba383
--- /dev/null
+++ b/samples/post-processing/shaders/noise.jsl
@@ -0,0 +1,21 @@
+#VERTEX_SHADER
+Vertex vert(Vertex v)
+{
+	return v;
+}
+#END_VERTEX_SHADER
+#FRAGMENT_SHADER
+    
+float random(vec2 n, float offset ){
+    return .5 - fract(sin(dot(n.xy + vec2(offset, 0.), vec2(12.9898, 78.233)))* 43758.5453);
+}
+
+Color frag(Color col, Texture texture, Vertex v)
+{
+    float amount = 0.1;
+    float speed = 0.5;
+    vec4 color = texture2D(texture, v.uv.xy);
+    color += vec4(vec3(amount * random(v.uv.xy, .00001 * speed * jin_Time.x)), 1.);
+    return color;
+}
+#END_FRAGMENT_SHADER
+\ No newline at end of file
diff --git a/samples/post-processing/shaders/pixel.jsl b/samples/post-processing/shaders/pixel.jsl
new file mode 100644
index 0000000..0242b7e
--- /dev/null
+++ b/samples/post-processing/shaders/pixel.jsl
@@ -0,0 +1,30 @@
+#VERTEX_SHADER
+Vertex vert(Vertex v)
+{
+	return v;
+}
+#END_VERTEX_SHADER
+#FRAGMENT_SHADER
+Color frag(Color col, Texture tex, Vertex v)
+{
+	// config 
+	float pixel_w = 1 + sin(jin_Time.x / 3)*20.0;
+	float pixel_h = 1 + sin(jin_Time.x / 3)*20.0;
+	
+	vec2 uv = v.uv;
+	vec3 tc = vec3(1.0, 0.0, 0.0);
+	//if(uv.x < abs(sin(jin_Time.x)))
+	if(uv.x < 1)
+    {
+		float dx = pixel_w*(1.0/jin_RenderTargetSize.x);
+		float dy = pixel_h*(1.0/jin_RenderTargetSize.y);
+		vec2 coord = vec2(dx*floor(uv.x/dx),dy*floor(uv.y/dy));
+		tc = texel(tex, coord).rgb;
+	}
+	else 
+	{
+		tc = texel(tex, uv).rgb;
+	}
+	return vec4(tc, 1.0);
+}
+#END_FRAGMENT_SHADER
+\ No newline at end of file
diff --git a/samples/post-processing/shaders/radial.jsl b/samples/post-processing/shaders/radial.jsl
new file mode 100644
index 0000000..50a86d1
--- /dev/null
+++ b/samples/post-processing/shaders/radial.jsl
@@ -0,0 +1,17 @@
+#VERTEX_SHADER
+Vertex vert(Vertex v)
+{
+	return v;
+}
+#END_VERTEX_SHADER
+#FRAGMENT_SHADER
+Color frag(Color col, Texture texture, Vertex v)
+{
+    float of = abs(sin(jin_Time.x / 5));
+    vec3 p = vec3(v.xy/jin_RenderTargetSize, 0) - of;
+    vec3 o = texture2D(texture,of+(p.xy*=.992)).rbb;
+    for (float i=0.;i<100.;i++) 
+        p.z += pow(max(0.,of-length(texture2D(texture,of+(p.xy*=.992)).rg)),2.)*exp(-i*.08);
+    return vec4(o*o+p.z,1);
+}
+#END_FRAGMENT_SHADER
+\ No newline at end of file
diff --git a/samples/post-processing/shaders/rgb-split.jsl b/samples/post-processing/shaders/rgb-split.jsl
new file mode 100644
index 0000000..fcfb9f2
--- /dev/null
+++ b/samples/post-processing/shaders/rgb-split.jsl
@@ -0,0 +1,24 @@
+#VERTEX_SHADER
+Vertex vert(Vertex v)
+{
+    //v.xy += vec2(50 * sin(jin_Time.x * 2), 50 * cos(jin_Time.x * 2));
+	return v;
+}
+#END_VERTEX_SHADER
+#FRAGMENT_SHADER
+Color frag(Color col, Texture tex, Vertex v)
+{
+	float t = jin_Time.x;
+	float a = abs(sin(t)) * 3.14;
+    vec2 p = vec2(0.5*cos(a) + 0.5, 0.5*sin(a) + 0.5);
+    vec2 dir = v.uv - p;
+    float d = .7 * length(dir);
+    normalize(dir);
+    vec2 value = d * dir * 200 * abs(sin(t * 3));
+
+    vec4 c1 = texel(tex, v.uv - value / jin_RenderTargetSize.x);
+    vec4 c2 = texel(tex, v.uv);
+    vec4 c3 = texel(tex, v.uv + value / jin_RenderTargetSize.y);
+    return vec4(c1.r, c2.g, c3.b, c1.a + c2.a + c3.b);
+}
+#END_FRAGMENT_SHADER
+\ No newline at end of file
diff --git a/samples/post-processing/shaders/sobel.jsl b/samples/post-processing/shaders/sobel.jsl
new file mode 100644
index 0000000..7700dee
--- /dev/null
+++ b/samples/post-processing/shaders/sobel.jsl
@@ -0,0 +1,30 @@
+#VERTEX_SHADER
+Vertex vert(Vertex v)
+{
+	return v;
+}
+#END_VERTEX_SHADER
+#FRAGMENT_SHADER
+Color frag(Color col, Texture texture, Vertex v)
+{
+      float x = 1.0 / jin_RenderTargetSize.x;
+      float y = 1.0 / jin_RenderTargetSize.y;
+      vec4 horizEdge = vec4( 0.0 );
+      horizEdge -= texture2D( texture, vec2( v.uv.x - x, v.uv.y - y ) ) * 1.0;
+      horizEdge -= texture2D( texture, vec2( v.uv.x - x, v.uv.y     ) ) * 2.0;
+      horizEdge -= texture2D( texture, vec2( v.uv.x - x, v.uv.y + y ) ) * 1.0;
+      horizEdge += texture2D( texture, vec2( v.uv.x + x, v.uv.y - y ) ) * 1.0;
+      horizEdge += texture2D( texture, vec2( v.uv.x + x, v.uv.y     ) ) * 2.0;
+      horizEdge += texture2D( texture, vec2( v.uv.x + x, v.uv.y + y ) ) * 1.0;
+      vec4 vertEdge = vec4( 0.0 );
+      vertEdge -= texture2D( texture, vec2( v.uv.x - x, v.uv.y - y ) ) * 1.0;
+      vertEdge -= texture2D( texture, vec2( v.uv.x    , v.uv.y - y ) ) * 2.0;
+      vertEdge -= texture2D( texture, vec2( v.uv.x + x, v.uv.y - y ) ) * 1.0;
+      vertEdge += texture2D( texture, vec2( v.uv.x - x, v.uv.y + y ) ) * 1.0;
+      vertEdge += texture2D( texture, vec2( v.uv.x    , v.uv.y + y ) ) * 2.0;
+      vertEdge += texture2D( texture, vec2( v.uv.x + x, v.uv.y + y ) ) * 1.0;
+      vec3 edge = sqrt((horizEdge.rgb * horizEdge.rgb) + (vertEdge.rgb * vertEdge.rgb));
+
+      return vec4(edge, texture2D(texture, v.uv.xy).a);
+}
+#END_FRAGMENT_SHADER
+\ No newline at end of file