{-# OPTIONS_HADDOCK ignore-exports#-}
{-# LANGUAGE DataKinds                  #-}
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
{-# LANGUAGE PatternSynonyms            #-}
{-# LANGUAGE Strict                     #-}
module Graphics.Vulkan.Types.Enum.TessellationDomainOrigin
       (VkTessellationDomainOrigin(VkTessellationDomainOrigin,
                                   VK_TESSELLATION_DOMAIN_ORIGIN_UPPER_LEFT,
                                   VK_TESSELLATION_DOMAIN_ORIGIN_LOWER_LEFT),
        VkTessellationDomainOriginKHR(..))
       where
import Data.Bits                       (Bits, FiniteBits)
import Data.Coerce                     (coerce)
import Foreign.Storable                (Storable)
import GHC.Read                        (choose, expectP)
import Graphics.Vulkan.Marshal         (Int32)
import Graphics.Vulkan.Types.BaseTypes (VkFlags)
import Text.ParserCombinators.ReadPrec (prec, step, (+++))
import Text.Read                       (Read (..), parens)
import Text.Read.Lex                   (Lexeme (..))

-- | type = @enum@
--
--   <https://www.khronos.org/registry/vulkan/specs/1.2-extensions/html/vkspec.html#VkTessellationDomainOrigin VkTessellationDomainOrigin registry at www.khronos.org>
newtype VkTessellationDomainOrigin = VkTessellationDomainOrigin Int32
                                     deriving (Eq, Ord, Enum, Storable)

instance Show VkTessellationDomainOrigin where
    showsPrec _ VK_TESSELLATION_DOMAIN_ORIGIN_UPPER_LEFT
      = showString "VK_TESSELLATION_DOMAIN_ORIGIN_UPPER_LEFT"
    showsPrec _ VK_TESSELLATION_DOMAIN_ORIGIN_LOWER_LEFT
      = showString "VK_TESSELLATION_DOMAIN_ORIGIN_LOWER_LEFT"
    showsPrec p (VkTessellationDomainOrigin x)
      = showParen (p >= 11)
          (showString "VkTessellationDomainOrigin " . showsPrec 11 x)

instance Read VkTessellationDomainOrigin where
    readPrec
      = parens
          (choose
             [("VK_TESSELLATION_DOMAIN_ORIGIN_UPPER_LEFT",
               pure VK_TESSELLATION_DOMAIN_ORIGIN_UPPER_LEFT),
              ("VK_TESSELLATION_DOMAIN_ORIGIN_LOWER_LEFT",
               pure VK_TESSELLATION_DOMAIN_ORIGIN_LOWER_LEFT)]
             +++
             prec 10
               (expectP (Ident "VkTessellationDomainOrigin") >>
                  (VkTessellationDomainOrigin <$> step readPrec)))

pattern VK_TESSELLATION_DOMAIN_ORIGIN_UPPER_LEFT ::
        VkTessellationDomainOrigin

pattern VK_TESSELLATION_DOMAIN_ORIGIN_UPPER_LEFT =
        VkTessellationDomainOrigin 0

pattern VK_TESSELLATION_DOMAIN_ORIGIN_LOWER_LEFT ::
        VkTessellationDomainOrigin

pattern VK_TESSELLATION_DOMAIN_ORIGIN_LOWER_LEFT =
        VkTessellationDomainOrigin 1

newtype VkTessellationDomainOriginKHR = VkTessellationDomainOriginKHR VkFlags
                                        deriving (Eq, Ord, Enum, Bits, FiniteBits, Storable)

instance Show VkTessellationDomainOriginKHR where
    {-# INLINE showsPrec #-}
    showsPrec = coerce (showsPrec :: Int -> VkFlags -> ShowS)

instance Read VkTessellationDomainOriginKHR where
    {-# INLINE readsPrec #-}
    readsPrec = coerce (readsPrec :: Int -> ReadS VkFlags)