1 files changed, 60 insertions, 0 deletions
diff --git a/source/blender/draw/intern/draw_view.c b/source/blender/draw/intern/draw_view.c
index d01e1a51080..3033cf70b29 100644
--- a/source/blender/draw/intern/draw_view.c
+++ b/source/blender/draw/intern/draw_view.c
@@ -35,6 +35,7 @@
 #include "GPU_shader.h"
 
 #include "UI_resources.h"
+#include "UI_view2d.h"
 
 #include "WM_types.h"
 
@@ -196,6 +197,65 @@ void DRW_draw_cursor(void)
   }
 }
 
+/* -------------------------------------------------------------------- */
+
+/** \name 2D Cursor
+ * \{ */
+
+static bool is_cursor_visible_2d(const DRWContextState *draw_ctx)
+{
+  SpaceInfo *space_data = (SpaceInfo *)draw_ctx->space_data;
+  if (space_data == NULL) {
+    return false;
+  }
+  if (space_data->spacetype == SPACE_IMAGE) {
+    SpaceImage *sima = (SpaceImage *)draw_ctx->space_data;
+    return sima->mode == SI_MODE_UV;
+  }
+  return false;
+}
+
+void DRW_draw_cursor_2d(void)
+{
+  const DRWContextState *draw_ctx = DRW_context_state_get();
+  ARegion *region = draw_ctx->region;
+
+  GPU_color_mask(true, true, true, true);
+  GPU_depth_mask(false);
+  GPU_depth_test(GPU_DEPTH_NONE);
+
+  if (is_cursor_visible_2d(draw_ctx)) {
+    SpaceImage *sima = (SpaceImage *)draw_ctx->space_data;
+    int co[2];
+    UI_view2d_view_to_region(&region->v2d, sima->cursor[0], sima->cursor[1], &co[0], &co[1]);
+
+    /* Draw nice Anti Aliased cursor. */
+    GPU_line_width(1.0f);
+    GPU_blend(true);
+    GPU_line_smooth(true);
+
+    /* Draw lines */
+    float original_proj[4][4];
+    GPU_matrix_projection_get(original_proj);
+    GPU_matrix_push();
+    ED_region_pixelspace(region);
+    GPU_matrix_translate_2f(co[0] + 0.5f, co[1] + 0.5f);
+    GPU_matrix_scale_2f(U.widget_unit, U.widget_unit);
+
+    GPUBatch *cursor_batch = DRW_cache_cursor_get(true);
+    GPUShader *shader = GPU_shader_get_builtin_shader(GPU_SHADER_2D_FLAT_COLOR);
+    GPU_batch_set_shader(cursor_batch, shader);
+
+    GPU_batch_draw(cursor_batch);
+
+    GPU_blend(false);
+    GPU_line_smooth(false);
+    GPU_matrix_pop();
+    GPU_matrix_projection_set(original_proj);
+  }
+}
+/* \} */
+
 /* **************************** 3D Gizmo ******************************** */
 
 void DRW_draw_gizmo_3d(void)