Vulkan code that I threw away :c

VulkanJunk.d

enum DataRate {
	vertex,
	instance
}

struct ShaderData(T_, size_t BitsPerChannel_, string Channels_, ChannelFormat Format_) {
	alias T = T_;
	alias BitsPerChannel = BitsPerChannel_;
	alias Channels = Channels_;
	alias Format = Format_;

	T data;
	alias data this;
}

enum ChannelFormat {
	uNORM, // 0.0f -> 1.0f
	sNORM, // -1.0f -> 1.0f
	//uSCALED,
	//sSCALED,
	uINT,
	sINT,
	sRGB, // Like UNORM but in sRGB space
	sFLOAT, // BitsPerChannel == 16 || BitsPerChannel == 32 || BitsPerChannel == 64
	//uFLOAT,
}


private static VkFormat getFormat(size_t channelCount, SD : ShaderData!(T, BitsPerChannel, Channels, Format), T,
    size_t BitsPerChannel, string Channels, ChannelFormat Format)() {
  import std.traits : EnumMembers;
  import std.conv : text;
  import std.uni : toUpper;

  enum channels = () {
    string output;
    static foreach (c; Channels) {
      output ~= c;
      output ~= text(BitsPerChannel);
    }
    return output;
  }();
  enum format = text(Format).toUpper;

  return mixin("VK_FORMAT_" ~ channels ~ "_" ~ format);
}