1 files changed, 0 insertions, 157 deletions
diff --git a/source/blender/draw/engines/gpencil/shaders/gpencil_blend_frag.glsl b/source/blender/draw/engines/gpencil/shaders/gpencil_blend_frag.glsl
deleted file mode 100644
index 85dee4390a5..00000000000
--- a/source/blender/draw/engines/gpencil/shaders/gpencil_blend_frag.glsl
+++ /dev/null
@@ -1,157 +0,0 @@
-in vec4 uvcoordsvar;
-
-out vec4 FragColor;
-
-uniform sampler2D strokeColor;
-uniform sampler2D strokeDepth;
-uniform sampler2D blendColor;
-uniform sampler2D blendDepth;
-uniform int mode;
-uniform int mask_layer;
-uniform int tonemapping;
-
-#define ON 1
-#define OFF 0
-
-#define MODE_REGULAR 0
-#define MODE_OVERLAY 1
-#define MODE_ADD 2
-#define MODE_SUB 3
-#define MODE_MULTIPLY 4
-#define MODE_DIVIDE 5
-
-float overlay_color(float a, float b)
-{
-  float rtn;
-  if (a < 0.5) {
-    rtn = 2.0 * a * b;
-  }
-  else {
-    rtn = 1.0 - 2.0 * (1.0 - a) * (1.0 - b);
-  }
-
-  return rtn;
-}
-
-vec4 get_blend_color(int mode, vec4 src_color, vec4 mix_color)
-{
-  vec4 outcolor;
-
-  if (mix_color.a == 0) {
-    return src_color;
-  }
-
-  switch (mode) {
-    case MODE_REGULAR: {
-      /* premult */
-      src_color = vec4(vec3(src_color.rgb / src_color.a), src_color.a);
-      mix_color = vec4(vec3(mix_color.rgb / mix_color.a), mix_color.a);
-
-      outcolor = vec4(mix(src_color.rgb, mix_color.rgb, mix_color.a), src_color.a);
-      break;
-    }
-    case MODE_OVERLAY: {
-      src_color = vec4(vec3(src_color.rgb / src_color.a), src_color.a);
-      mix_color = vec4(vec3(mix_color.rgb / mix_color.a), mix_color.a);
-
-      mix_color.rgb = mix(src_color.rgb, mix_color.rgb, mix_color.a);
-      outcolor.r = overlay_color(src_color.r, mix_color.r);
-      outcolor.g = overlay_color(src_color.g, mix_color.g);
-      outcolor.b = overlay_color(src_color.b, mix_color.b);
-      outcolor.a = src_color.a;
-      break;
-    }
-    case MODE_ADD: {
-      mix_color.rgb = mix(src_color.rgb, mix_color.rgb, mix_color.a);
-      outcolor = src_color + mix_color;
-      outcolor.a = src_color.a;
-      break;
-    }
-    case MODE_SUB: {
-      mix_color.rgb = mix(src_color.rgb, mix_color.rgb, mix_color.a);
-      outcolor = src_color - mix_color;
-      outcolor.a = clamp(src_color.a - mix_color.a, 0.0, 1.0);
-      break;
-    }
-    case MODE_MULTIPLY: {
-      src_color = vec4(vec3(src_color.rgb / src_color.a), src_color.a);
-      mix_color = vec4(vec3(mix_color.rgb / mix_color.a), mix_color.a);
-
-      mix_color.rgb = mix(src_color.rgb, mix_color.rgb, mix_color.a);
-      outcolor = src_color * mix_color;
-      outcolor.a = src_color.a;
-      break;
-    }
-    case MODE_DIVIDE: {
-      mix_color.rgb = mix(src_color.rgb, mix_color.rgb, mix_color.a);
-      outcolor = src_color / mix_color;
-      outcolor.a = src_color.a;
-      break;
-    }
-    default: {
-      outcolor = mix_color;
-      outcolor.a = src_color.a;
-      break;
-    }
-  }
-  return clamp(outcolor, 0.0, 1.0);
-}
-
-float linearrgb_to_srgb(float c)
-{
-  if (c < 0.0031308) {
-    return (c < 0.0) ? 0.0 : c * 12.92;
-  }
-  else {
-    return 1.055 * pow(c, 1.0 / 2.4) - 0.055;
-  }
-}
-
-vec4 tone(vec4 stroke_color)
-{
-  if (tonemapping == 1) {
-    vec4 color = vec4(0, 0, 0, stroke_color.a);
-    color.r = linearrgb_to_srgb(stroke_color.r);
-    color.g = linearrgb_to_srgb(stroke_color.g);
-    color.b = linearrgb_to_srgb(stroke_color.b);
-    return color;
-  }
-  else {
-    return stroke_color;
-  }
-}
-
-void main()
-{
-  vec4 outcolor;
-  ivec2 uv = ivec2(gl_FragCoord.xy);
-  vec4 stroke_color = texelFetch(strokeColor, uv, 0).rgba;
-  float stroke_depth = texelFetch(strokeDepth, uv, 0).r;
-
-  vec4 mix_color = texelFetch(blendColor, uv, 0).rgba;
-  float mix_depth = texelFetch(blendDepth, uv, 0).r;
-
-  if (stroke_color.a > 0) {
-    if (mix_color.a > 0) {
-      /* apply blend mode */
-      FragColor = get_blend_color(mode, stroke_color, mix_color);
-    }
-    else {
-      FragColor = stroke_color;
-    }
-    gl_FragDepth = min(stroke_depth, mix_depth);
-  }
-  else {
-    if (mask_layer == ON) {
-      discard;
-    }
-    else {
-      /* if not using mask, return mix color */
-      FragColor = mix_color;
-      gl_FragDepth = mix_depth;
-    }
-  }
-
-  /* apply tone mapping */
-  FragColor = tone(FragColor);
-}