{-# language Strict #-}
{-# language CPP #-}
{-# language GeneralizedNewtypeDeriving #-}
{-# language PatternSynonyms #-}
{-# language OverloadedStrings #-}
{-# language DuplicateRecordFields #-}

module Graphics.Vulkan.Extensions.VK_EXT_validation_flags
  ( VkValidationCheckEXT(..)
  , pattern VK_VALIDATION_CHECK_ALL_EXT
  , pattern VK_VALIDATION_CHECK_SHADERS_EXT
  , pattern VK_STRUCTURE_TYPE_VALIDATION_FLAGS_EXT
  , pattern VK_EXT_VALIDATION_FLAGS_SPEC_VERSION
  , pattern VK_EXT_VALIDATION_FLAGS_EXTENSION_NAME
  , VkValidationFlagsEXT(..)
  ) where

import Data.Int
  ( Int32
  )
import Data.String
  ( IsString
  )
import Data.Word
  ( Word32
  )
import Foreign.Ptr
  ( Ptr
  , plusPtr
  )
import Foreign.Storable
  ( Storable
  , Storable(..)
  )
import GHC.Read
  ( choose
  , expectP
  )
import Text.ParserCombinators.ReadPrec
  ( (+++)
  , prec
  , step
  )
import Text.Read
  ( Read(..)
  , parens
  )
import Text.Read.Lex
  ( Lexeme(Ident)
  )


import Graphics.Vulkan.Core10.Core
  ( VkStructureType(..)
  )


-- ** VkValidationCheckEXT

-- | VkValidationCheckEXT - Specify validation checks to disable
--
-- = See Also
--
-- 'VkValidationFlagsEXT'
newtype VkValidationCheckEXT = VkValidationCheckEXT Int32
  deriving (Eq, Ord, Storable)

instance Show VkValidationCheckEXT where
  showsPrec _ VK_VALIDATION_CHECK_ALL_EXT = showString "VK_VALIDATION_CHECK_ALL_EXT"
  showsPrec _ VK_VALIDATION_CHECK_SHADERS_EXT = showString "VK_VALIDATION_CHECK_SHADERS_EXT"
  showsPrec p (VkValidationCheckEXT x) = showParen (p >= 11) (showString "VkValidationCheckEXT " . showsPrec 11 x)

instance Read VkValidationCheckEXT where
  readPrec = parens ( choose [ ("VK_VALIDATION_CHECK_ALL_EXT",     pure VK_VALIDATION_CHECK_ALL_EXT)
                             , ("VK_VALIDATION_CHECK_SHADERS_EXT", pure VK_VALIDATION_CHECK_SHADERS_EXT)
                             ] +++
                      prec 10 (do
                        expectP (Ident "VkValidationCheckEXT")
                        v <- step readPrec
                        pure (VkValidationCheckEXT v)
                        )
                    )

-- | @VK_VALIDATION_CHECK_ALL_EXT@ specifies that all validation checks are
-- disabled.
pattern VK_VALIDATION_CHECK_ALL_EXT :: VkValidationCheckEXT
pattern VK_VALIDATION_CHECK_ALL_EXT = VkValidationCheckEXT 0

-- | @VK_VALIDATION_CHECK_SHADERS_EXT@ specifies that shader validation is
-- disabled.
pattern VK_VALIDATION_CHECK_SHADERS_EXT :: VkValidationCheckEXT
pattern VK_VALIDATION_CHECK_SHADERS_EXT = VkValidationCheckEXT 1
-- No documentation found for Nested "VkStructureType" "VK_STRUCTURE_TYPE_VALIDATION_FLAGS_EXT"
pattern VK_STRUCTURE_TYPE_VALIDATION_FLAGS_EXT :: VkStructureType
pattern VK_STRUCTURE_TYPE_VALIDATION_FLAGS_EXT = VkStructureType 1000061000
-- No documentation found for TopLevel "VK_EXT_VALIDATION_FLAGS_SPEC_VERSION"
pattern VK_EXT_VALIDATION_FLAGS_SPEC_VERSION :: Integral a => a
pattern VK_EXT_VALIDATION_FLAGS_SPEC_VERSION = 1
-- No documentation found for TopLevel "VK_EXT_VALIDATION_FLAGS_EXTENSION_NAME"
pattern VK_EXT_VALIDATION_FLAGS_EXTENSION_NAME :: (Eq a ,IsString a) => a
pattern VK_EXT_VALIDATION_FLAGS_EXTENSION_NAME = "VK_EXT_validation_flags"
-- | VkValidationFlagsEXT - Specify validation checks to disable for a Vulkan
-- instance
--
-- == Valid Usage (Implicit)
--
-- -   @sType@ /must/ be @VK_STRUCTURE_TYPE_VALIDATION_FLAGS_EXT@
--
-- -   @pDisabledValidationChecks@ /must/ be a valid pointer to an array of
--     @disabledValidationCheckCount@ 'VkValidationCheckEXT' values
--
-- -   @disabledValidationCheckCount@ /must/ be greater than @0@
--
-- = See Also
--
-- 'Graphics.Vulkan.Core10.Core.VkStructureType', 'VkValidationCheckEXT'
data VkValidationFlagsEXT = VkValidationFlagsEXT
  { -- | @sType@ is the type of this structure.
  vkSType :: VkStructureType
  , -- | @pNext@ is @NULL@ or a pointer to an extension-specific structure.
  vkPNext :: Ptr ()
  , -- | @disabledValidationCheckCount@ is the number of checks to disable.
  vkDisabledValidationCheckCount :: Word32
  , -- | @pDisabledValidationChecks@ is a pointer to an array of
  -- 'VkValidationCheckEXT' values specifying the validation checks to be
  -- disabled.
  vkPDisabledValidationChecks :: Ptr VkValidationCheckEXT
  }
  deriving (Eq, Show)

instance Storable VkValidationFlagsEXT where
  sizeOf ~_ = 32
  alignment ~_ = 8
  peek ptr = VkValidationFlagsEXT <$> peek (ptr `plusPtr` 0)
                                  <*> peek (ptr `plusPtr` 8)
                                  <*> peek (ptr `plusPtr` 16)
                                  <*> peek (ptr `plusPtr` 24)
  poke ptr poked = poke (ptr `plusPtr` 0) (vkSType (poked :: VkValidationFlagsEXT))
                *> poke (ptr `plusPtr` 8) (vkPNext (poked :: VkValidationFlagsEXT))
                *> poke (ptr `plusPtr` 16) (vkDisabledValidationCheckCount (poked :: VkValidationFlagsEXT))
                *> poke (ptr `plusPtr` 24) (vkPDisabledValidationChecks (poked :: VkValidationFlagsEXT))