Add 2D shadows and canvas SDF to OpenGL3 renderer

This is an initial implementation based on the current RD implementation

Performance will improve later

1 files changed, 2 insertions, 1 deletions

diff --git a/servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp b/servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp
index dc0214e307..cbc5cc337c 100644
--- a/servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp
+++ b/servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp
@@ -1914,11 +1914,12 @@ void RendererCanvasRenderRD::occluder_polygon_set_shape(RID p_occluder, const Ve
 			}
 		}
 
-		//if same buffer len is being set, just use BufferSubData to avoid a pipeline flush
+		//if same buffer len is being set, just use buffer_update to avoid a pipeline flush
 
 		if (oc->vertex_array.is_null()) {
 			//create from scratch
 			//vertices
+			// TODO: geometry is always of length lc * 6 * sizeof(float), so in doubles builds this will receive half the data it needs
 			oc->vertex_buffer = RD::get_singleton()->vertex_buffer_create(lc * 6 * sizeof(real_t), geometry);
 
 			Vector<RID> buffer;