{-# OPTIONS_HADDOCK ignore-exports#-}
{-# LANGUAGE DataKinds                  #-}
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
{-# LANGUAGE PatternSynonyms            #-}
{-# LANGUAGE Strict                     #-}
module Graphics.Vulkan.Types.Enum.CoverageModulationModeNV
       (VkCoverageModulationModeNV(VkCoverageModulationModeNV,
                                   VK_COVERAGE_MODULATION_MODE_NONE_NV,
                                   VK_COVERAGE_MODULATION_MODE_RGB_NV,
                                   VK_COVERAGE_MODULATION_MODE_ALPHA_NV,
                                   VK_COVERAGE_MODULATION_MODE_RGBA_NV))
       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#VkCoverageModulationModeNV VkCoverageModulationModeNV registry at www.khronos.org>
newtype VkCoverageModulationModeNV = VkCoverageModulationModeNV Int32
                                     deriving (Eq, Ord, Enum, Storable)

instance Show VkCoverageModulationModeNV where
    showsPrec _ VK_COVERAGE_MODULATION_MODE_NONE_NV
      = showString "VK_COVERAGE_MODULATION_MODE_NONE_NV"
    showsPrec _ VK_COVERAGE_MODULATION_MODE_RGB_NV
      = showString "VK_COVERAGE_MODULATION_MODE_RGB_NV"
    showsPrec _ VK_COVERAGE_MODULATION_MODE_ALPHA_NV
      = showString "VK_COVERAGE_MODULATION_MODE_ALPHA_NV"
    showsPrec _ VK_COVERAGE_MODULATION_MODE_RGBA_NV
      = showString "VK_COVERAGE_MODULATION_MODE_RGBA_NV"
    showsPrec p (VkCoverageModulationModeNV x)
      = showParen (p >= 11)
          (showString "VkCoverageModulationModeNV " . showsPrec 11 x)

instance Read VkCoverageModulationModeNV where
    readPrec
      = parens
          (choose
             [("VK_COVERAGE_MODULATION_MODE_NONE_NV",
               pure VK_COVERAGE_MODULATION_MODE_NONE_NV),
              ("VK_COVERAGE_MODULATION_MODE_RGB_NV",
               pure VK_COVERAGE_MODULATION_MODE_RGB_NV),
              ("VK_COVERAGE_MODULATION_MODE_ALPHA_NV",
               pure VK_COVERAGE_MODULATION_MODE_ALPHA_NV),
              ("VK_COVERAGE_MODULATION_MODE_RGBA_NV",
               pure VK_COVERAGE_MODULATION_MODE_RGBA_NV)]
             +++
             prec 10
               (expectP (Ident "VkCoverageModulationModeNV") >>
                  (VkCoverageModulationModeNV <$> step readPrec)))

pattern VK_COVERAGE_MODULATION_MODE_NONE_NV ::
        VkCoverageModulationModeNV

pattern VK_COVERAGE_MODULATION_MODE_NONE_NV =
        VkCoverageModulationModeNV 0

pattern VK_COVERAGE_MODULATION_MODE_RGB_NV ::
        VkCoverageModulationModeNV

pattern VK_COVERAGE_MODULATION_MODE_RGB_NV =
        VkCoverageModulationModeNV 1

pattern VK_COVERAGE_MODULATION_MODE_ALPHA_NV ::
        VkCoverageModulationModeNV

pattern VK_COVERAGE_MODULATION_MODE_ALPHA_NV =
        VkCoverageModulationModeNV 2

pattern VK_COVERAGE_MODULATION_MODE_RGBA_NV ::
        VkCoverageModulationModeNV

pattern VK_COVERAGE_MODULATION_MODE_RGBA_NV =
        VkCoverageModulationModeNV 3