{-# language CPP #-}
module Vulkan.Extensions.VK_EXT_image_robustness  ( PhysicalDeviceImageRobustnessFeaturesEXT(..)
                                                  , EXT_IMAGE_ROBUSTNESS_SPEC_VERSION
                                                  , pattern EXT_IMAGE_ROBUSTNESS_SPEC_VERSION
                                                  , EXT_IMAGE_ROBUSTNESS_EXTENSION_NAME
                                                  , pattern EXT_IMAGE_ROBUSTNESS_EXTENSION_NAME
                                                  ) where

import Foreign.Marshal.Alloc (allocaBytesAligned)
import Foreign.Ptr (nullPtr)
import Foreign.Ptr (plusPtr)
import Data.String (IsString)
import Data.Typeable (Typeable)
import Foreign.Storable (Storable)
import Foreign.Storable (Storable(peek))
import Foreign.Storable (Storable(poke))
import qualified Foreign.Storable (Storable(..))
import GHC.Generics (Generic)
import Foreign.Ptr (Ptr)
import Data.Kind (Type)
import Vulkan.Core10.FundamentalTypes (bool32ToBool)
import Vulkan.Core10.FundamentalTypes (boolToBool32)
import Vulkan.Core10.FundamentalTypes (Bool32)
import Vulkan.CStruct (FromCStruct)
import Vulkan.CStruct (FromCStruct(..))
import Vulkan.Core10.Enums.StructureType (StructureType)
import Vulkan.CStruct (ToCStruct)
import Vulkan.CStruct (ToCStruct(..))
import Vulkan.Zero (Zero(..))
import Vulkan.Core10.Enums.StructureType (StructureType(STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGE_ROBUSTNESS_FEATURES_EXT))
-- | VkPhysicalDeviceImageRobustnessFeaturesEXT - Structure describing the
-- out-of-bounds behavior for an implementation
--
-- = Members
--
-- The members of the 'PhysicalDeviceImageRobustnessFeaturesEXT' structure
-- describe the following features:
--
-- = Description
--
-- If the 'PhysicalDeviceImageRobustnessFeaturesEXT' structure is included
-- in the @pNext@ chain of
-- 'Vulkan.Core11.Promoted_From_VK_KHR_get_physical_device_properties2.PhysicalDeviceFeatures2',
-- it is filled with values indicating whether the feature is supported.
--
-- == Valid Usage (Implicit)
--
-- = See Also
--
-- 'Vulkan.Core10.FundamentalTypes.Bool32',
-- 'Vulkan.Core10.Enums.StructureType.StructureType'
data PhysicalDeviceImageRobustnessFeaturesEXT = PhysicalDeviceImageRobustnessFeaturesEXT
  { -- | @robustImageAccess@ indicates whether image accesses are tightly
    -- bounds-checked against the dimensions of the image view.
    -- <https://www.khronos.org/registry/vulkan/specs/1.2-extensions/html/vkspec.html#textures-input-validation Invalid texels>
    -- resulting from out of bounds image loads will be replaced as described
    -- in
    -- <https://www.khronos.org/registry/vulkan/specs/1.2-extensions/html/vkspec.html#textures-texel-replacement Texel Replacement>,
    -- with either (0,0,1) or (0,0,0) values inserted for missing G, B, or A
    -- components based on the format.
    robustImageAccess :: Bool }
  deriving (Typeable, Eq)
#if defined(GENERIC_INSTANCES)
deriving instance Generic (PhysicalDeviceImageRobustnessFeaturesEXT)
#endif
deriving instance Show PhysicalDeviceImageRobustnessFeaturesEXT

instance ToCStruct PhysicalDeviceImageRobustnessFeaturesEXT where
  withCStruct x f = allocaBytesAligned 24 8 $ \p -> pokeCStruct p x (f p)
  pokeCStruct p PhysicalDeviceImageRobustnessFeaturesEXT{..} f = do
    poke ((p `plusPtr` 0 :: Ptr StructureType)) (STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGE_ROBUSTNESS_FEATURES_EXT)
    poke ((p `plusPtr` 8 :: Ptr (Ptr ()))) (nullPtr)
    poke ((p `plusPtr` 16 :: Ptr Bool32)) (boolToBool32 (robustImageAccess))
    f
  cStructSize = 24
  cStructAlignment = 8
  pokeZeroCStruct p f = do
    poke ((p `plusPtr` 0 :: Ptr StructureType)) (STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGE_ROBUSTNESS_FEATURES_EXT)
    poke ((p `plusPtr` 8 :: Ptr (Ptr ()))) (nullPtr)
    poke ((p `plusPtr` 16 :: Ptr Bool32)) (boolToBool32 (zero))
    f

instance FromCStruct PhysicalDeviceImageRobustnessFeaturesEXT where
  peekCStruct p = do
    robustImageAccess <- peek @Bool32 ((p `plusPtr` 16 :: Ptr Bool32))
    pure $ PhysicalDeviceImageRobustnessFeaturesEXT
             (bool32ToBool robustImageAccess)

instance Storable PhysicalDeviceImageRobustnessFeaturesEXT where
  sizeOf ~_ = 24
  alignment ~_ = 8
  peek = peekCStruct
  poke ptr poked = pokeCStruct ptr poked (pure ())

instance Zero PhysicalDeviceImageRobustnessFeaturesEXT where
  zero = PhysicalDeviceImageRobustnessFeaturesEXT
           zero


type EXT_IMAGE_ROBUSTNESS_SPEC_VERSION = 1

-- No documentation found for TopLevel "VK_EXT_IMAGE_ROBUSTNESS_SPEC_VERSION"
pattern EXT_IMAGE_ROBUSTNESS_SPEC_VERSION :: forall a . Integral a => a
pattern EXT_IMAGE_ROBUSTNESS_SPEC_VERSION = 1


type EXT_IMAGE_ROBUSTNESS_EXTENSION_NAME = "VK_EXT_image_robustness"

-- No documentation found for TopLevel "VK_EXT_IMAGE_ROBUSTNESS_EXTENSION_NAME"
pattern EXT_IMAGE_ROBUSTNESS_EXTENSION_NAME :: forall a . (Eq a, IsString a) => a
pattern EXT_IMAGE_ROBUSTNESS_EXTENSION_NAME = "VK_EXT_image_robustness"