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Document COLOR built-in limitations in Spatial shader

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Hugo Locurcio
2025-11-17 23:46:18 +01:00
parent d6267eafcf
commit a34efc8dcc
1 changed files with 7 additions and 1 deletions
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8
tutorials/shaders/shader_reference/spatial_shader.rst
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@@ -294,7 +294,13 @@ shader, this value can be used as desired.
+----------------------------------------+--------------------------------------------------------+
| inout vec2 **UV2** | UV secondary channel. |
+----------------------------------------+--------------------------------------------------------+
| inout vec4 **COLOR** | Color from vertices. |
| inout vec4 **COLOR** | Color from vertices. Limited to values between ``0.0`` |
| | and ``1.0`` for each channel and 8 bits per channel |
| | precision (256 possible levels). Alpha channel is |
| | supported. Values outside the allowed range are |
| | clamped, and values may be rounded due to precision |
| | limitations. Use ``CUSTOM0``-``CUSTOM3`` to pass data |
| | with more precision if needed. |
+----------------------------------------+--------------------------------------------------------+
| out float **ROUGHNESS** | Roughness for vertex lighting. |
+----------------------------------------+--------------------------------------------------------+