VK_SHADER_INDEX_UNUSED_AMDX is a special shader index used to indicate
that the created node does not override the index.
In this case, the shader index is determined through other means.
It is defined as:
#define VK_SHADER_INDEX_UNUSED_AMDX (~0U)
For more information, see the Vulkan Specification
This page is extracted from the Vulkan Specification. Fixes and changes should be made to the Specification, not directly.