From b8d78a5c121066651935a97ebbda039474c571c8 Mon Sep 17 00:00:00 2001 From: bernardkwok <bernard.kwok@autodesk.com> Date: Mon, 19 Jul 2021 12:30:28 -0400 Subject: [PATCH] Expose hardcoded UDIM transform names. Currently for atlas lookup but can be used for array lookup as well. --- source/MaterialXGenShader/Nodes/HwImageNode.cpp | 4 ++-- source/MaterialXGenShader/Nodes/HwImageNode.h | 6 ++++++ 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/source/MaterialXGenShader/Nodes/HwImageNode.cpp b/source/MaterialXGenShader/Nodes/HwImageNode.cpp index ed6444d4df..1b1807536b 100644 --- a/source/MaterialXGenShader/Nodes/HwImageNode.cpp +++ b/source/MaterialXGenShader/Nodes/HwImageNode.cpp @@ -13,8 +13,8 @@ namespace MaterialX { // Additional implementaton arguments for image nodes -const string UV_SCALE = "uv_scale"; -const string UV_OFFSET = "uv_offset"; +string HwImageNode::UV_SCALE = "uv_scale"; +string HwImageNode::UV_OFFSET = "uv_offset"; ShaderNodeImplPtr HwImageNode::create() { diff --git a/source/MaterialXGenShader/Nodes/HwImageNode.h b/source/MaterialXGenShader/Nodes/HwImageNode.h index 826bf49259..4e16fbf48d 100644 --- a/source/MaterialXGenShader/Nodes/HwImageNode.h +++ b/source/MaterialXGenShader/Nodes/HwImageNode.h @@ -19,6 +19,12 @@ class MX_GENSHADER_API HwImageNode : public HwSourceCodeNode void addInputs(ShaderNode& node, GenContext& context) const override; void setValues(const Node& node, ShaderNode& shaderNode, GenContext& context) const override; + + // Aguments which may be added as part of the signature for image nodes + // to allow for additional texture coordinate transformations. + // Currently these are added to support UDIM texture atlas lookup. + static string UV_SCALE; + static string UV_OFFSET; }; } // namespace MaterialX