Fixed texture flip issue

shaders/colorizers/gradient.glsl

@@ -97,6 +97,7 @@ vec4 deriveTexturePixel(vec2 coord, float nrmRe, float nrmIm)
 void main()
 {
     vec2 coord = gl_TexCoord[0].xy;
+    coord.y = 1.0 - coord.y;
 
     // Get diffuse color from palette image
     vec3 diffuseColor = deriveColor(coord);

shaders/illuminators/lambert.glsl

@@ -79,6 +79,7 @@ vec3 makeSpatial(vec3 color, float nrmRe, float nrmIm)
 void main()
 {
     vec2 coord = gl_TexCoord[0].xy;
+    coord.y = 1.0 - coord.y;
 
     // Get color pixel
     vec3 diffuseColor = texture2D(image, coord).rgb;

shaders/illuminators/normalmap.glsl

@@ -18,6 +18,7 @@ float decode_float(vec4 v)
 void main()
 {
     vec2 coord = gl_TexCoord[0].xy;
+    coord.y = 1.0 - coord.y;
 
     // Get the normal vector
     float nrmRe = decode_float(texture2D(normalRe, coord));

shaders/illuminators/relief.glsl

@@ -39,15 +39,12 @@ vec3 makeSpatial(float nrmRe, float nrmIm)
 void main()
 {
     vec2 coord = gl_TexCoord[0].xy;
+    coord.y = 1.0 - coord.y;
 
     // Get the normal vector
     float nrmRe = decode_float(texture2D(normalRe, coord));
     float nrmIm = decode_float(texture2D(normalIm, coord));
 
-    // Normalize
-    vec3 N = normalize(vec3(nrmRe, nrmIm, 1.0));
-    vec3 L = normalize(lightDir);
-
     // Apply 3D effect
     vec3 final = makeSpatial(nrmRe, nrmIm);
 

shaders/scalers/bicubic.glsl

@@ -63,7 +63,10 @@ vec4 bicubic(sampler2D sampler, vec2 texCoords)
 
 void main()
 {
-    vec2 coord = zoomed(gl_TexCoord[0].xy);
+    vec2 coord = gl_TexCoord[0].xy;
+    coord.y = 1.0 - coord.y;
+    coord = zoomed(coord);
+
     vec4 color1 = bicubic(curr, coord);
     gl_FragColor = gl_Color * color1;
 }

shaders/scalers/bilinear.glsl

@@ -40,7 +40,10 @@ vec4 bilinear(sampler2D sampler, vec2 coord)
 
 void main()
 {
-    vec2 coord = zoomed(gl_TexCoord[0].xy);
+    vec2 coord = gl_TexCoord[0].xy;
+    coord.y = 1.0 - coord.y;
+    coord = zoomed(coord);
+
     vec4 color1 = bilinear(curr, coord);
     gl_FragColor = gl_Color * color1;
 }

shaders/scalers/nearest.glsl

@@ -10,7 +10,10 @@ vec2 zoomed(vec2 coord)
 
 void main()
 {
-    vec2 coord = zoomed(gl_TexCoord[0].xy);
+    vec2 coord = gl_TexCoord[0].xy;
+    coord.y = 1.0 - coord.y;
+    coord = zoomed(coord);
+
     vec4 pixel = texture2D(curr, coord);
     gl_FragColor = gl_Color * pixel;
 }

shaders/scalers/tricubic.glsl

@@ -65,7 +65,10 @@ vec4 bicubic(sampler2D sampler, vec2 texCoords)
 void main()
 {
     // Read texel from the current texture
-    vec2 coord = zoomed(gl_TexCoord[0].xy);
+    vec2 coord = gl_TexCoord[0].xy;
+    coord.y = 1.0 - coord.y;
+    coord = zoomed(coord);
+
     vec4 color1 = bicubic(curr, coord);
 
     // Check if a corresponding texel exists in the next texture

shaders/scalers/trilinear.glsl

@@ -38,7 +38,10 @@ vec4 bilinear(sampler2D sampler, vec2 coord)
 void main()
 {
     // Read texel from the current texture
-    vec2 coord = zoomed(gl_TexCoord[0].xy);
+    vec2 coord = gl_TexCoord[0].xy;
+    coord.y = 1.0 - coord.y;
+    coord = zoomed(coord);
+
     vec4 color1 = bilinear(curr, coord);
 
     if (zoom > 1.0) {

src/ddrill/Driller.cpp

@@ -429,14 +429,20 @@ Driller::drill(const Coord &point, std::vector<Coord> &glitchPoints)
 
     while (++iteration < limit) {
 
+        // auto two_xn_plus_dn = ref.xn[iteration - 1].extended2 + dn;
+        // auto two_xn_plus_two_two_dn = two_xn_plus_dn + dn;
+
         dercn *= ref.xn[iteration - 1].extended2 + (dn * 2.0);
+        // dercn *= two_xn_plus_two_two_dn;
         dercn += derc0;
         dercn.reduce();
 
         derzn *= ref.xn[iteration - 1].extended2 + (dn * 2.0);
+        // derzn *= two_xn_plus_two_two_dn;
         derzn.reduce();
 
         dn *= ref.xn[iteration - 1].extended2 + dn;
+        // dn *= two_xn_plus_dn;
         dn += d0;
         dn.reduce();
 

src/shared/DrillMap.cpp

@@ -726,8 +726,8 @@ DrillMap::loadChannel(Compressor &is)
 
             for (isize y = 0; y < height; y++) {
                 for (isize x = 0; x < width; x++) {
-                    normalReMap[y * width + x] = double(loadFloat());
-                    normalImMap[y * width + x] = double(loadFloat());
+                    normalReMap[y * width + x] = float(loadFloat());
+                    normalImMap[y * width + x] = float(loadFloat());
                 }
             }
             break;

src/shared/Filter.h

@@ -42,7 +42,6 @@ class Filter {
 
 public:
 
-    // Filter(const Options &opt) : opt(opt) { };
     void init(const string &shaderName, isize w, isize h);
     void init(const string &shaderName, sf::Vector2u resolution);