1 files changed, 0 insertions, 82 deletions
diff --git a/source/blender/draw/engines/gpencil/shaders/fx/gpencil_fx_colorize_frag.glsl b/source/blender/draw/engines/gpencil/shaders/fx/gpencil_fx_colorize_frag.glsl
deleted file mode 100644
index 52f42d30d06..00000000000
--- a/source/blender/draw/engines/gpencil/shaders/fx/gpencil_fx_colorize_frag.glsl
+++ /dev/null
@@ -1,82 +0,0 @@
-uniform sampler2D strokeColor;
-uniform sampler2D strokeDepth;
-
-uniform vec4 low_color;
-uniform vec4 high_color;
-uniform int mode;
-uniform float factor;
-
-out vec4 FragColor;
-
-#define MODE_GRAYSCALE 0
-#define MODE_SEPIA 1
-#define MODE_DUOTONE 2
-#define MODE_CUSTOM 3
-#define MODE_TRANSPARENT 4
-
-float get_luminance(vec4 color)
-{
-  float lum = (color.r * 0.2126) + (color.g * 0.7152) + (color.b * 0.723);
-  return lum;
-}
-
-void main()
-{
-  ivec2 uv = ivec2(gl_FragCoord.xy);
-
-  float stroke_depth = texelFetch(strokeDepth, uv.xy, 0).r;
-  vec4 src_pixel = texelFetch(strokeColor, uv.xy, 0);
-  float luminance = get_luminance(src_pixel);
-  vec4 outcolor;
-
-  /* is transparent */
-  if (src_pixel.a == 0.0f) {
-    discard;
-  }
-
-  switch (mode) {
-    case MODE_GRAYSCALE: {
-      outcolor = vec4(luminance, luminance, luminance, src_pixel.a);
-      break;
-    }
-    case MODE_SEPIA: {
-      float Red = (src_pixel.r * 0.393) + (src_pixel.g * 0.769) + (src_pixel.b * 0.189);
-      float Green = (src_pixel.r * 0.349) + (src_pixel.g * 0.686) + (src_pixel.b * 0.168);
-      float Blue = (src_pixel.r * 0.272) + (src_pixel.g * 0.534) + (src_pixel.b * 0.131);
-      outcolor = vec4(Red, Green, Blue, src_pixel.a);
-      break;
-    }
-    case MODE_DUOTONE: {
-      if (luminance <= factor) {
-        outcolor = low_color;
-      }
-      else {
-        outcolor = high_color;
-      }
-      break;
-    }
-    case MODE_CUSTOM: {
-      /* if below umbral, force custom color */
-      if (luminance <= factor) {
-        outcolor = low_color;
-      }
-      else {
-        outcolor = vec4(luminance * low_color.r,
-                        luminance * low_color.b,
-                        luminance * low_color.b,
-                        src_pixel.a);
-      }
-      break;
-    }
-    case MODE_TRANSPARENT: {
-      outcolor = vec4(src_pixel.rgb, src_pixel.a * factor);
-      break;
-    }
-    default: {
-      outcolor = src_pixel;
-    }
-  }
-
-  gl_FragDepth = stroke_depth;
-  FragColor = outcolor;
-}