[PATCH v5 0/6] MR477: Draft: vkd3d-shader: Finish global variable and GEP support.

[Conor McCarthy (＠cmccarthy)]

Goes atop !471. The last six commits belong to this MR.

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  v5: vkd3d-shader/dxil: Emit constant global arrays as immediate constant buffers.
      vkd3d-shader: Add a register index to struct vkd3d_shader_immediate_constant_buffer.
      vkd3d-shader/spirv: Support declared component type and count in immediate constant buffers.
      vkd3d-shader/spirv: Support constant initialisers in indexable temps.
      vkd3d-shader/dxil: Support null constant arrays.
      vkd3d-shader/spirv: Support declared component type and count in indexable temps.

https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/477