-- This file was automatically generated.
{-# LANGUAGE CPP, ScopedTypeVariables, PatternSynonyms #-}
module Graphics.GL.Ext.EXT.ProvokingVertex (
  -- * Extension Support
    gl_EXT_provoking_vertex

  -- * GL_EXT_provoking_vertex
  , glProvokingVertexEXT
  , pattern GL_FIRST_VERTEX_CONVENTION_EXT
  , pattern GL_LAST_VERTEX_CONVENTION_EXT
  , pattern GL_PROVOKING_VERTEX_EXT
  , pattern GL_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION_EXT
) where

import Control.Monad.IO.Class
import Data.Set
import Foreign.Ptr
import Graphics.GL.Internal.FFI
import Graphics.GL.Internal.Proc
import Graphics.GL.Internal.Shared
import Graphics.GL.Types
import System.IO.Unsafe

-- | Checks that the <https://cvs.khronos.org/svn/repos/ogl/trunk/doc/registry/public/specs/EXT/provoking_vertex.txt GL_EXT_provoking_vertex> extension is available.

gl_EXT_provoking_vertex :: Bool
gl_EXT_provoking_vertex :: Bool
gl_EXT_provoking_vertex = String -> Set String -> Bool
forall a. Ord a => a -> Set a -> Bool
member String
"GL_EXT_provoking_vertex" Set String
extensions
{-# NOINLINE gl_EXT_provoking_vertex #-}

-- | Usage: @'glProvokingVertexEXT' mode@
--
-- This command is an alias for 'Graphics.GL.Internal.Shared.glProvokingVertex'.


glProvokingVertexEXT :: MonadIO m => GLenum -> m ()
glProvokingVertexEXT :: forall (m :: * -> *). MonadIO m => GLenum -> m ()
glProvokingVertexEXT = FunPtr (GLenum -> IO ()) -> GLenum -> m ()
forall (m :: * -> *).
MonadIO m =>
FunPtr (GLenum -> IO ()) -> GLenum -> m ()
ffienumIOV FunPtr (GLenum -> IO ())
glProvokingVertexEXTFunPtr

glProvokingVertexEXTFunPtr :: FunPtr (GLenum -> IO ())
glProvokingVertexEXTFunPtr :: FunPtr (GLenum -> IO ())
glProvokingVertexEXTFunPtr = IO (FunPtr (GLenum -> IO ())) -> FunPtr (GLenum -> IO ())
forall a. IO a -> a
unsafePerformIO (String -> IO (FunPtr (GLenum -> IO ()))
forall a. String -> IO (FunPtr a)
getProcAddress String
"glProvokingVertexEXT")

{-# NOINLINE glProvokingVertexEXTFunPtr #-}

pattern GL_PROVOKING_VERTEX_EXT  :: (Eq a, Num a) => a

pattern $mGL_PROVOKING_VERTEX_EXT :: forall {r} {a}.
(Eq a, Num a) =>
a -> ((# #) -> r) -> ((# #) -> r) -> r
$bGL_PROVOKING_VERTEX_EXT :: forall a. (Eq a, Num a) => a
GL_PROVOKING_VERTEX_EXT = 0x8E4F

pattern GL_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION_EXT  :: (Eq a, Num a) => a

pattern $mGL_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION_EXT :: forall {r} {a}.
(Eq a, Num a) =>
a -> ((# #) -> r) -> ((# #) -> r) -> r
$bGL_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION_EXT :: forall a. (Eq a, Num a) => a
GL_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION_EXT = 0x8E4C