Fix for T78191: Timeline lines changing thickness

Fixes issue where lines in timeline are sometimes double-width when hovering in area.

Differential Revision: https://developer.blender.org/D8116

Reviewed by Brecht Van Lommel

1 files changed, 5 insertions, 6 deletions

diff --git a/source/blender/editors/animation/time_scrub_ui.c b/source/blender/editors/animation/time_scrub_ui.c
index f4ed2add624..edc36326c57 100644
--- a/source/blender/editors/animation/time_scrub_ui.c
+++ b/source/blender/editors/animation/time_scrub_ui.c
@@ -112,16 +112,15 @@ static void draw_current_frame(const Scene *scene,
     /* Draw vertical line to from the bottom of the current frame box to the bottom of the screen.
      */
     const float subframe_x = UI_view2d_view_to_region_x(v2d, current_frame + sub_frame);
-    GPU_line_width(2.0f);
     GPUVertFormat *format = immVertexFormat();
     uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
     immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
     immUniformThemeColor(TH_CFRAME);
-    immBegin(GPU_PRIM_LINES, 2);
-
-    immVertex2f(pos, subframe_x, scrub_region_rect->ymax - box_padding);
-    immVertex2f(pos, subframe_x, 0.0f);
-    immEnd();
+    immRectf(pos,
+             subframe_x - U.pixelsize,
+             scrub_region_rect->ymax - box_padding,
+             subframe_x + U.pixelsize,
+             0.0f);
     immUnbindProgram();
   }