1 files changed, 0 insertions, 98 deletions
diff --git a/source/blender/draw/engines/gpencil/shaders/fx/gpencil_fx_shadow_prepare_frag.glsl b/source/blender/draw/engines/gpencil/shaders/fx/gpencil_fx_shadow_prepare_frag.glsl
deleted file mode 100644
index d2e20feae18..00000000000
--- a/source/blender/draw/engines/gpencil/shaders/fx/gpencil_fx_shadow_prepare_frag.glsl
+++ /dev/null
@@ -1,98 +0,0 @@
-uniform mat4 ProjectionMatrix;
-uniform mat4 ViewMatrix;
-
-/* ******************************************************************* */
-/* create shadow                                                       */
-/* ******************************************************************* */
-uniform sampler2D strokeColor;
-uniform sampler2D strokeDepth;
-uniform vec2 Viewport;
-
-uniform int offset[2];
-uniform float scale[2];
-uniform float rotation;
-uniform vec4 shadow_color;
-
-uniform float amplitude;
-uniform float period;
-uniform float phase;
-uniform int orientation;
-
-uniform vec3 loc;
-uniform float pixsize; /* rv3d->pixsize */
-uniform float pixfactor;
-
-#define M_PI 3.1415926535897932384626433832795
-
-#define HORIZONTAL 0
-#define VERTICAL 1
-
-float defaultpixsize = pixsize * (1000.0 / pixfactor);
-vec2 noffset = vec2(offset[0], offset[1]);
-float cosv = cos(rotation);
-float sinv = sin(rotation);
-
-out vec4 FragColor;
-
-/* project 3d point to 2d on screen space */
-vec2 toScreenSpace(vec4 vertex)
-{
-  /* need to calculate ndc because this is not done by vertex shader */
-  vec3 ndc = vec3(vertex).xyz / vertex.w;
-
-  vec2 sc;
-  sc.x = ((ndc.x + 1.0) / 2.0) * Viewport.x;
-  sc.y = ((ndc.y + 1.0) / 2.0) * Viewport.y;
-
-  return sc;
-}
-
-void main()
-{
-  vec2 uv = vec2(gl_FragCoord.xy);
-  vec4 nloc = ProjectionMatrix * ViewMatrix * vec4(loc.xyz, 1.0);
-  vec2 loc2d = toScreenSpace(nloc);
-
-  float dx = (ProjectionMatrix[3][3] == 0.0) ? (noffset[0] / (nloc.z * defaultpixsize)) :
-                                               (noffset[0] / defaultpixsize);
-  float dy = (ProjectionMatrix[3][3] == 0.0) ? (noffset[1] / (nloc.z * defaultpixsize)) :
-                                               (noffset[1] / defaultpixsize);
-
-  /* move point to new coords system */
-  vec2 tpos = vec2(uv.x, uv.y) - loc2d;
-
-  /* rotation */
-  if (rotation != 0) {
-    vec2 rotpoint = vec2((tpos.x * cosv) - (tpos.y * sinv), (tpos.x * sinv) + (tpos.y * cosv));
-    tpos = rotpoint;
-  }
-
-  /* apply offset */
-  tpos = vec2(tpos.x - dx, tpos.y - dy);
-
-  /* apply scale */
-  tpos.x *= 1.0 / scale[0];
-  tpos.y *= 1.0 / scale[1];
-
-  /* back to original coords system */
-  vec2 texpos = tpos + loc2d;
-
-  /* wave */
-  if (orientation == HORIZONTAL) {
-    float pval = (uv.x * M_PI) / Viewport[0];
-    texpos.y += amplitude * sin((period * pval) + phase);
-  }
-  else if (orientation == VERTICAL) {
-    float pval = (uv.y * M_PI) / Viewport[1];
-    texpos.x += amplitude * sin((period * pval) + phase);
-  }
-
-  vec4 src_pixel = texelFetch(strokeColor, ivec2(texpos.x, texpos.y), 0);
-  /* is transparent */
-  if (src_pixel.a == 0.0f) {
-    discard;
-  }
-
-  gl_FragDepth = texelFetch(strokeDepth, ivec2(texpos.x, texpos.y), 0).r;
-  FragColor = shadow_color;
-}