diff --git a/eagle/2xsai-fix-pixel-shift.slangp b/eagle/2xsai-fix-pixel-shift.slangp
new file mode 100644
index 0000000..73ae433
--- /dev/null
+++ b/eagle/2xsai-fix-pixel-shift.slangp
@@ -0,0 +1,22 @@
+shaders = "2"
+shader0 = "shaders/2xsai.slang"
+filter_linear0 = "false"
+wrap_mode0 = "clamp_to_border"
+mipmap_input0 = "false"
+alias0 = ""
+float_framebuffer0 = "false"
+srgb_framebuffer0 = "false"
+scale_type_x0 = "source"
+scale_x0 = "2.000000"
+scale_type_y0 = "source"
+scale_y0 = "2.000000"
+shader1 = "../nnedi3/shaders/jinc2-cshift-rgb.slang"
+filter_linear1 = "false"
+wrap_mode1 = "clamp_to_border"
+mipmap_input1 = "false"
+alias1 = ""
+float_framebuffer1 = "false"
+srgb_framebuffer1 = "false"
+JINC2_WINDOW_SINC = "0.500000"
+JINC2_SINC = "0.880000"
+JINC2_AR_STRENGTH = "0.000000"
diff --git a/eagle/2xsai.slangp b/eagle/2xsai.slangp
new file mode 100644
index 0000000..825631a
--- /dev/null
+++ b/eagle/2xsai.slangp
@@ -0,0 +1,10 @@
+shaders = 2
+
+shader0 = shaders/2xsai.slang
+filter_linear0 = false
+scale_type0 = source
+scale_x0 = 2.0
+scale_y0 = 2.0
+
+shader1 = ../stock.slang
+filter_linear1 = true
diff --git a/eagle/shaders/2xsai.slang b/eagle/shaders/2xsai.slang
new file mode 100644
index 0000000..18638b7
--- /dev/null
+++ b/eagle/shaders/2xsai.slang
@@ -0,0 +1,163 @@
+#version 450
+
+layout(push_constant) uniform Push
+{
+    vec4 OutputSize;
+    vec4 OriginalSize;
+    vec4 SourceSize;
+} params;
+
+layout(std140, set = 0, binding = 0) uniform UBO
+{
+    mat4 MVP;
+} global;
+
+
+const vec3 dt = vec3(65536.0,256.0,1.0);
+
+
+float GET_RESULT(float A, float B, float C, float D)
+{
+    return (sign(abs(A-C)+abs(A-D)) - sign(abs(B-C)+abs(B-D))); 
+}
+
+
+float reduce(vec3 color)
+{ 
+    return dot(color,dt);
+}
+
+
+#pragma stage vertex
+layout(location = 0) in  vec4 Position;
+layout(location = 1) in  vec2 TexCoord;
+layout(location = 0) out vec2 vTexCoord;
+
+/* Default Vertex shader */
+void main()
+{
+    gl_Position = global.MVP * Position;
+    vTexCoord   = TexCoord * 1.0001;
+}
+
+#pragma stage fragment
+layout(location = 0) in  vec2 vTexCoord;
+layout(location = 1) in  vec2 FragCoord;
+layout(location = 0) out vec4 FragColor;
+layout(set = 0, binding = 2) uniform sampler2D Source;
+
+
+void main()
+{
+    vec2 OGL2Size    = params.SourceSize.xy;
+    vec2 OGL2InvSize = params.SourceSize.zw;
+
+    // Calculating texel coordinates
+
+    vec2 OGL2Pos = vTexCoord.xy*OGL2Size.xy;
+    vec2 fp = fract(OGL2Pos);
+    vec2 g1 = vec2( OGL2InvSize.x,OGL2InvSize.y);
+    vec2 g2 = vec2(-OGL2InvSize.x,OGL2InvSize.y);
+
+
+    if ((fp.x >= 0.50) && (fp.y < 0.50)) g2*=-1.0;
+
+    vec2 pC4 = floor(OGL2Pos)/OGL2Size.xy + 0.5*OGL2InvSize;
+
+    vec2 pC8 = pC4 + g1;
+    vec2 pC0 = pC4 - g1;
+
+    vec2 p04 = pC4 - 0.5*g1;
+    vec2 pC3 = p04 + 0.5*g2;
+    vec2 pC1 = pC3 - g2;
+    vec2 pC5 = pC1 + g1;
+    vec2 pC7 = pC3 + g1;
+
+
+    // Reading the texels
+
+    vec3 C0 = texture(Source,pC0   ).xyz; 
+    vec3 C1 = texture(Source,pC1   ).xyz;
+    vec3 C2 = texture(Source,pC4-g2).xyz;
+    vec3 C3 = texture(Source,pC3   ).xyz;
+    vec3 C4 = texture(Source,pC4   ).xyz;
+    vec3 C5 = texture(Source,pC5   ).xyz;
+    vec3 D4 = texture(Source,pC8-g2).xyz;
+    vec3 C6 = texture(Source,pC4+g2).xyz;
+    vec3 C7 = texture(Source,pC7   ).xyz;
+    vec3 C8 = texture(Source,pC8   ).xyz;
+    vec3 D5 = texture(Source,pC5+g1).xyz;
+    vec3 D0 = texture(Source,pC7+g2).xyz;
+    vec3 D1 = texture(Source,pC8+g2).xyz;
+    vec3 D2 = texture(Source,pC7+g1).xyz;
+    vec3 p10,p11;
+
+    float c0 = reduce(C0);float c1 = reduce(C1);
+    float c2 = reduce(C2);float c3 = reduce(C3);
+    float c4 = reduce(C4);float c5 = reduce(C5);
+    float c6 = reduce(C6);float c7 = reduce(C7);
+    float c8 = reduce(C8);float d0 = reduce(D0);
+    float d1 = reduce(D1);float d2 = reduce(D2);
+    float d4 = reduce(D4);float d5 = reduce(D5);
+
+
+    /*                2xSaI code                  */
+    /*  Copied from the Dosbox source code        */
+    /*  Copyright (C) 2002-2007  The DOSBox Team  */
+    /*  License: GNU-GPL                          */
+    /*  Adapted by guest(r) on 20.4 and 9.5. 2007 */
+
+    if (c4 == c8) {
+        if (c5 != c7) {
+            if (((c4 == c3)&&(c7 == d2))||((c4 == c5)&&(c4 == c6)&&(c3 != c7)&&(c7 == d0))) {
+                    p10 = C4;
+            } else {
+                    p10 = 0.5*(C4+C7);
+            }
+            p11 = C4;
+        } else {
+            if (c4 == c5) {
+                    p10 = C4;
+                    p11 = C4;
+            } else {
+                float r;
+                r  = GET_RESULT(c4,c5,c3,c1);
+                r -= GET_RESULT(c5,c4,d4,c2);
+                r -= GET_RESULT(c5,c4,c6,d1);
+                r += GET_RESULT(c4,c5,d5,d2);
+                if (r > 0.0) p11 = C4;
+                else if (r < 0.0) p11 = C5;
+                else p11 = 0.25*(C4+C5+C7+C8);
+                p10 = 0.5*(C4+C7);
+            }
+        }
+    } else
+        if (c5 == c7) {
+            if (((c7 == c6)&&(c4 == c2))||((c7 == c3)&&(c7 == c8)&&(c4 != c6)&&(c4 == c0))) {
+                    p10 = C7;
+            } else {
+                    p10 = 0.5*(C4+C7);
+            }
+            p11 = C5;
+        } else {
+            p11 = 0.25*(C4+C5+C7+C8);
+
+            if ((c4 == c5)&&(c4 == c6)&&(c3 != c7)&&(c7 == d0)) {
+                    p10 = C4;
+            } else if ((c7 == c3)&&(c7 == c8)&&(c4 != c6)&&(c4 == c0)) {
+                       p10 = C7;
+            } else {
+                p10 = 0.5*(C4+C7);
+        } 
+    }
+
+    // Distributing the final products 
+
+    vec3 color; 
+    
+    if (fp.x >= 0.5 && fp.y >= 0.5) color = p11; else
+    if (fp.x <  0.5 && fp.y <  0.5) color =  C4; else color = p10; 
+
+
+    FragColor = vec4(color, 1.0);
+}
diff --git a/eagle/shaders/super-2xsai.slang b/eagle/shaders/super-2xsai.slang
new file mode 100644
index 0000000..c668ccc
--- /dev/null
+++ b/eagle/shaders/super-2xsai.slang
@@ -0,0 +1,161 @@
+#version 450
+
+layout(push_constant) uniform Push
+{
+    vec4 OutputSize;
+    vec4 OriginalSize;
+    vec4 SourceSize;
+} params;
+
+layout(std140, set = 0, binding = 0) uniform UBO
+{
+    mat4 MVP;
+} global;
+
+
+const vec3 dt = vec3(65536.0,256.0,1.0);
+
+
+float GET_RESULT(float A, float B, float C, float D)
+{
+    return (sign(abs(A-C)+abs(A-D)) - sign(abs(B-C)+abs(B-D))); 
+}
+
+
+float reduce(vec3 color)
+{ 
+    return dot(color,dt);
+}
+
+#pragma stage vertex
+layout(location = 0) in  vec4 Position;
+layout(location = 1) in  vec2 TexCoord;
+layout(location = 0) out vec2 vTexCoord;
+
+/* Default Vertex shader */
+void main()
+{
+    gl_Position = global.MVP * Position;
+    vTexCoord   = TexCoord;
+}
+
+#pragma stage fragment
+layout(location = 0) in  vec2 vTexCoord;
+layout(location = 1) in  vec2 FragCoord;
+layout(location = 0) out vec4 FragColor;
+layout(set = 0, binding = 2) uniform sampler2D Source;
+
+
+void main()
+{
+    vec2 OGL2Size    = params.SourceSize.xy;
+    vec2 OGL2InvSize = params.SourceSize.zw;
+
+    // Calculating texel coordinates
+
+    vec2 OGL2Pos = vTexCoord*OGL2Size.xy;
+    vec2 fp  = fract(OGL2Pos);
+    vec2 dx  = vec2(OGL2InvSize.x,0.0);
+    vec2 dy  = vec2(0.0,OGL2InvSize.y);
+    vec2 g1  = vec2( OGL2InvSize.x,OGL2InvSize.y);
+    vec2 g2  = vec2(-OGL2InvSize.x,OGL2InvSize.y);
+
+    vec2 pC4 = floor(OGL2Pos)/OGL2Size.xy + 0.5*OGL2InvSize;
+    vec2 pC8 = pC4 + g1;
+
+    // Reading the texels
+
+    vec3 C0 = texture(Source,pC4-g1).xyz; 
+    vec3 C1 = texture(Source,pC4-dy).xyz;
+    vec3 C2 = texture(Source,pC4-g2).xyz;
+    vec3 D3 = texture(Source,pC4-g2+dx).xyz;
+    vec3 C3 = texture(Source,pC4-dx).xyz;
+    vec3 C4 = texture(Source,pC4).xyz;
+    vec3 C5 = texture(Source,pC4+dx).xyz;
+    vec3 D4 = texture(Source,pC8-g2).xyz;
+    vec3 C6 = texture(Source,pC4+g2).xyz;
+    vec3 C7 = texture(Source,pC4+dy).xyz;
+    vec3 C8 = texture(Source,pC8).xyz;
+    vec3 D5 = texture(Source,pC8+dx).xyz;
+    vec3 D0 = texture(Source,pC4+g2+dy).xyz;
+    vec3 D1 = texture(Source,pC8+g2).xyz;
+    vec3 D2 = texture(Source,pC8+dy).xyz;
+    vec3 D6 = texture(Source,pC8+g1).xyz;
+
+    vec3 p00,p10,p01,p11;
+
+    float c0 = reduce(C0);float c1 = reduce(C1);
+    float c2 = reduce(C2);float c3 = reduce(C3);
+    float c4 = reduce(C4);float c5 = reduce(C5);
+    float c6 = reduce(C6);float c7 = reduce(C7);
+    float c8 = reduce(C8);float d0 = reduce(D0);
+    float d1 = reduce(D1);float d2 = reduce(D2);
+    float d3 = reduce(D3);float d4 = reduce(D4);
+    float d5 = reduce(D5);float d6 = reduce(D6);
+
+    /*              Super2xSaI code               */
+    /*  Copied from the Dosbox source code        */
+    /*  Copyright (C) 2002-2007  The DOSBox Team  */
+    /*  License: GNU-GPL                          */
+    /*  Adapted by guest(r) on 16.4.2007          */
+
+   
+   if (c7 == c5 && c4 != c8) {
+            p11 = p01 = C7;
+    } else if (c4 == c8 && c7 != c5) {
+            p11 = p01 = C4;
+    } else if (c4 == c8 && c7 == c5) {
+            float r;
+            r = GET_RESULT(c5,c4,c6,d1);
+            r+= GET_RESULT(c5,c4,c3,c1);
+            r+= GET_RESULT(c5,c4,d2,d5);
+            r+= GET_RESULT(c5,c4,c2,d4);
+
+            if (r > 0.0)
+                    p11 = p01 = C5;
+            else if (r < 0.0)
+                    p11 = p01 = C4;
+            else {
+                    p11 = p01 = 0.5*(C4+C5);
+            }
+    } else {
+            if (c5 == c8 && c8 == d1 && c7 != d2 && c8 != d0)
+                    p11 = 0.25*(3.0*C8+C7);
+            else if (c4 == c7 && c7 == d2 && d1 != c8 && c7 != d6)
+                    p11 = 0.25*(3.0*C7+C8);
+            else
+                    p11 = 0.5*(C7+C8);
+
+            if (c5 == c8 && c5 == c1 && c4 != c2 && c5 != c0)
+                    p01 = 0.25*(3.0*C5+C4);
+            else if (c4 == c7 && c4 == c2 && c1 != c5 && c4 != d3)
+                    p01 = 0.25*(3.0*C4+C5);
+            else
+                    p01 = 0.5*(C4+C5);
+    }
+
+    if (c4 == c8 && c7 != c5 && c3 == c4 && c4 != d2)
+            p10 = 0.5*(C7+C4);
+    else if (c4 == c6 && c5 == c4 && c3 != c7 && c4 != d0)
+            p10 = 0.5*(C7+C4);
+    else
+            p10 = C7;
+
+    if (c7 == c5 && c4 != c8 && c6 == c7 && c7 != c2)
+            p00 = 0.5*(C7+C4);
+    else if (c3 == c7 && c8 == c7 && c6 != c4 && c7 != c0)
+            p00 = 0.5*(C7+C4);
+    else
+            p00 = C4;
+
+    // Distributing the final products    
+
+    vec3 color = 0.0.xxx;
+
+    if (fp.x < 0.50)
+    { if (fp.y < 0.50) color = p00; else color = p10;}
+    else
+    { if (fp.y < 0.50) color = p01; else color = p11;}
+
+    FragColor = vec4(color, 1.0);
+}
diff --git a/eagle/super-2xsai-fix-pixel-shift.slangp b/eagle/super-2xsai-fix-pixel-shift.slangp
new file mode 100644
index 0000000..e2eefd7
--- /dev/null
+++ b/eagle/super-2xsai-fix-pixel-shift.slangp
@@ -0,0 +1,22 @@
+shaders = "2"
+shader0 = "shaders/super-2xsai.slang"
+filter_linear0 = "false"
+wrap_mode0 = "clamp_to_border"
+mipmap_input0 = "false"
+alias0 = ""
+float_framebuffer0 = "false"
+srgb_framebuffer0 = "false"
+scale_type_x0 = "source"
+scale_x0 = "2.000000"
+scale_type_y0 = "source"
+scale_y0 = "2.000000"
+shader1 = "../nnedi3/shaders/jinc2-cshift-rgb.slang"
+filter_linear1 = "false"
+wrap_mode1 = "clamp_to_border"
+mipmap_input1 = "false"
+alias1 = ""
+float_framebuffer1 = "false"
+srgb_framebuffer1 = "false"
+JINC2_WINDOW_SINC = "0.500000"
+JINC2_SINC = "0.880000"
+JINC2_AR_STRENGTH = "0.000000"
diff --git a/eagle/super-2xsai.slangp b/eagle/super-2xsai.slangp
new file mode 100644
index 0000000..5460ef2
--- /dev/null
+++ b/eagle/super-2xsai.slangp
@@ -0,0 +1,10 @@
+shaders = 2
+
+shader0 = shaders/super-2xsai.slang
+filter_linear0 = false
+scale_type0 = source
+scale_x0 = 2.0
+scale_y0 = 2.0
+
+shader1 = ../stock.slang
+filter_linear1 = true