Add comments at the top of each built-in shader to ease debugging

When a shader error is printed about a built-in shader, the origin
of the shader will now be recognizable immediately by looking at
the top of the printed shader code.

1 files changed, 4 insertions, 0 deletions

diff --git a/scene/gui/color_picker.cpp b/scene/gui/color_picker.cpp
index 261480bcdd..534518db28 100644
--- a/scene/gui/color_picker.cpp
+++ b/scene/gui/color_picker.cpp
@@ -98,6 +98,8 @@ Ref<Shader> ColorPicker::circle_shader;
 void ColorPicker::init_shaders() {
 	wheel_shader.instantiate();
 	wheel_shader->set_code(R"(
+// ColorPicker wheel shader.
+
 shader_type canvas_item;
 
 void fragment() {
@@ -120,6 +122,8 @@ void fragment() {
 
 	circle_shader.instantiate();
 	circle_shader->set_code(R"(
+// ColorPicker circle shader.
+
 shader_type canvas_item;
 
 uniform float v = 1.0;