forked from bartvdbraak/blender
Fix T46352: Cycles fails to render when material contains UV mapped texture as volume input
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518d68fae0
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@ -22,6 +22,8 @@ ccl_device void svm_node_attr_init(KernelGlobals *kg, ShaderData *sd,
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uint4 node, NodeAttributeType *type,
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NodeAttributeType *mesh_type, AttributeElement *elem, int *offset, uint *out_offset)
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{
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*out_offset = node.z;
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*type = (NodeAttributeType)node.w;
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if(ccl_fetch(sd, object) != OBJECT_NONE) {
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/* find attribute by unique id */
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uint id = node.y;
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@ -32,6 +34,12 @@ ccl_device void svm_node_attr_init(KernelGlobals *kg, ShaderData *sd,
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uint4 attr_map = kernel_tex_fetch(__attributes_map, attr_offset);
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while(attr_map.x != id) {
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if(UNLIKELY(attr_map.x == ATTR_STD_NONE)) {
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*elem = ATTR_ELEMENT_NONE;
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*offset = 0;
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*mesh_type = (NodeAttributeType)node.w;
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return;
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}
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attr_offset += ATTR_PRIM_TYPES;
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attr_map = kernel_tex_fetch(__attributes_map, attr_offset);
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}
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@ -47,9 +55,6 @@ ccl_device void svm_node_attr_init(KernelGlobals *kg, ShaderData *sd,
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*offset = 0;
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*mesh_type = (NodeAttributeType)node.w;
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}
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*out_offset = node.z;
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*type = (NodeAttributeType)node.w;
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}
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ccl_device void svm_node_attr(KernelGlobals *kg, ShaderData *sd, float *stack, uint4 node)
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