1 files changed, 58 insertions, 0 deletions
diff --git a/source/blender/draw/engines/overlay/shaders/motion_path_point_vert.glsl b/source/blender/draw/engines/overlay/shaders/motion_path_point_vert.glsl
new file mode 100644
index 00000000000..14335eb1b99
--- /dev/null
+++ b/source/blender/draw/engines/overlay/shaders/motion_path_point_vert.glsl
@@ -0,0 +1,58 @@
+
+uniform ivec4 mpathPointSettings;
+uniform bool showKeyFrames = true;
+uniform vec3 customColor;
+
+#define pointSize mpathPointSettings.x
+#define frameCurrent mpathPointSettings.y
+#define cacheStart mpathPointSettings.z
+#define stepSize mpathPointSettings.w
+
+in vec3 pos;
+in int flag;
+
+#define MOTIONPATH_VERT_SEL (1 << 0)
+#define MOTIONPATH_VERT_KEY (1 << 1)
+
+out vec4 finalColor;
+
+void main()
+{
+  gl_Position = ViewProjectionMatrix * vec4(pos, 1.0);
+  gl_PointSize = float(pointSize + 2);
+
+  int frame = gl_VertexID + cacheStart;
+  bool use_custom_color = customColor.x >= 0.0;
+  finalColor = (use_custom_color) ? vec4(customColor, 1.0) : vec4(1.0);
+
+  /* Bias to reduce z fighting with the path */
+  gl_Position.z -= 1e-4;
+
+  if (gl_VertexID % stepSize == 0) {
+    gl_PointSize = float(pointSize) + 4;
+  }
+
+  if (showKeyFrames) {
+    if ((flag & MOTIONPATH_VERT_KEY) != 0) {
+      gl_PointSize = float(pointSize + 5);
+      finalColor = colorVertexSelect;
+      /* Bias more to get these on top of regular points */
+      gl_Position.z -= 1e-4;
+    }
+    /* Draw big green dot where the current frame is.
+     * NOTE: this is only done when keyframes are shown, since this adds similar types of clutter
+     */
+    if (frame == frameCurrent) {
+      gl_PointSize = float(pointSize + 8);
+      finalColor = colorCurrentFrame;
+      /* Bias more to get these on top of keyframes */
+      gl_Position.z -= 1e-4;
+    }
+  }
+
+  gl_PointSize *= sizePixel;
+
+#ifdef USE_WORLD_CLIP_PLANES
+  world_clip_planes_calc_clip_distance(pos);
+#endif
+}