Cleanup: Workbench: Remove checkerboard depth

This is not needed anymore with the new overlay xray fading.

1 files changed, 0 insertions, 38 deletions

diff --git a/source/blender/draw/engines/workbench/shaders/workbench_checkerboard_depth_frag.glsl b/source/blender/draw/engines/workbench/shaders/workbench_checkerboard_depth_frag.glsl
deleted file mode 100644
index c9711e9c7d6..00000000000
--- a/source/blender/draw/engines/workbench/shaders/workbench_checkerboard_depth_frag.glsl
+++ /dev/null
@@ -1,38 +0,0 @@
-
-/* 4x4 bayer matrix. */
-#define P(x) ((x + 0.5) * (1.0 / 16.0))
-const vec4 dither_mat[4] = vec4[4](vec4(P(0.0), P(8.0), P(2.0), P(10.0)),
-                                   vec4(P(12.0), P(4.0), P(14.0), P(6.0)),
-                                   vec4(P(3.0), P(11.0), P(1.0), P(9.0)),
-                                   vec4(P(15.0), P(7.0), P(13.0), P(5.0)));
-
-uniform float threshold = 0.5;
-uniform float offset = 0.0;
-
-/* Noise dithering pattern
- * 0 - Bayer matrix
- * 1 - Interlieved gradient noise
- */
-#define NOISE 1
-
-void main()
-{
-#if NOISE == 0
-  ivec2 tx = ivec2(gl_FragCoord.xy) % 4;
-  float noise = dither_mat[tx.x][tx.y];
-#elif NOISE == 1
-  /* Interlieved gradient noise by Jorge Jimenez
-   * http://www.iryoku.com/next-generation-post-processing-in-call-of-duty-advanced-warfare */
-  float noise = fract(
-      offset + 52.9829189 * fract(0.06711056 * gl_FragCoord.x + 0.00583715 * gl_FragCoord.y));
-#else
-#  error
-#endif
-
-  if (noise > threshold) {
-    discard;
-  }
-  else {
-    gl_FragDepth = 1.0;
-  }
-}