Fix T57650 UVEdit: selection not visible if behind unselected UVs

Use depth buffer to order the uv edges correctly to always draw selected
edges on top.
We still use the double drawing workaround for points to keep the smooth
antialiased display.

1 files changed, 2 insertions, 3 deletions

diff --git a/source/blender/editors/space_image/space_image.c b/source/blender/editors/space_image/space_image.c
index 341a162c840..931142d2925 100644
--- a/source/blender/editors/space_image/space_image.c
+++ b/source/blender/editors/space_image/space_image.c
@@ -590,18 +590,17 @@ static void image_main_region_draw(const bContext *C, ARegion *ar)
    * olg context since we now use it for drawing the entire area */
   gpu_batch_presets_reset();
 
-  /* TODO(fclem) port to draw manager and remove the depth buffer allocation. */
   GPUViewport *viewport =
       ar->draw_buffer->viewport[ar->draw_buffer->stereo ? sima->iuser.multiview_eye : 0];
   DefaultFramebufferList *fbl = GPU_viewport_framebuffer_list_get(viewport);
-  GPU_framebuffer_bind(fbl->color_only_fb);
+  GPU_framebuffer_bind(fbl->default_fb);
 
   /* XXX not supported yet, disabling for now */
   scene->r.scemode &= ~R_COMP_CROP;
 
   /* clear and setup matrix */
   UI_GetThemeColor3fv(TH_BACK, col);
-  GPU_clear_color(col[0], col[1], col[2], 0.0);
+  GPU_clear_color(col[0], col[1], col[2], 0.0f);
   GPU_clear(GPU_COLOR_BIT);
 
   image_user_refresh_scene(C, sima);