{-# OPTIONS_HADDOCK ignore-exports#-}
{-# LANGUAGE DataKinds                  #-}
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
{-# LANGUAGE PatternSynonyms            #-}
{-# LANGUAGE Strict                     #-}
module Graphics.Vulkan.Types.Enum.DiscardRectangleModeEXT
       (VkDiscardRectangleModeEXT(VkDiscardRectangleModeEXT,
                                  VK_DISCARD_RECTANGLE_MODE_INCLUSIVE_EXT,
                                  VK_DISCARD_RECTANGLE_MODE_EXCLUSIVE_EXT))
       where
import Foreign.Storable                (Storable)
import GHC.Read                        (choose, expectP)
import Graphics.Vulkan.Marshal         (Int32)
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/1.1-extensions/html/vkspec.html#VkDiscardRectangleModeEXT VkDiscardRectangleModeEXT registry at www.khronos.org>
newtype VkDiscardRectangleModeEXT = VkDiscardRectangleModeEXT Int32
                                    deriving (Eq, Ord, Enum, Storable)

instance Show VkDiscardRectangleModeEXT where
    showsPrec _ VK_DISCARD_RECTANGLE_MODE_INCLUSIVE_EXT
      = showString "VK_DISCARD_RECTANGLE_MODE_INCLUSIVE_EXT"
    showsPrec _ VK_DISCARD_RECTANGLE_MODE_EXCLUSIVE_EXT
      = showString "VK_DISCARD_RECTANGLE_MODE_EXCLUSIVE_EXT"
    showsPrec p (VkDiscardRectangleModeEXT x)
      = showParen (p >= 11)
          (showString "VkDiscardRectangleModeEXT " . showsPrec 11 x)

instance Read VkDiscardRectangleModeEXT where
    readPrec
      = parens
          (choose
             [("VK_DISCARD_RECTANGLE_MODE_INCLUSIVE_EXT",
               pure VK_DISCARD_RECTANGLE_MODE_INCLUSIVE_EXT),
              ("VK_DISCARD_RECTANGLE_MODE_EXCLUSIVE_EXT",
               pure VK_DISCARD_RECTANGLE_MODE_EXCLUSIVE_EXT)]
             +++
             prec 10
               (expectP (Ident "VkDiscardRectangleModeEXT") >>
                  (VkDiscardRectangleModeEXT <$> step readPrec)))

pattern VK_DISCARD_RECTANGLE_MODE_INCLUSIVE_EXT ::
        VkDiscardRectangleModeEXT

pattern VK_DISCARD_RECTANGLE_MODE_INCLUSIVE_EXT =
        VkDiscardRectangleModeEXT 0

pattern VK_DISCARD_RECTANGLE_MODE_EXCLUSIVE_EXT ::
        VkDiscardRectangleModeEXT

pattern VK_DISCARD_RECTANGLE_MODE_EXCLUSIVE_EXT =
        VkDiscardRectangleModeEXT 1