| Copyright | (c) Sven Panne 2002-2019 |
|---|---|
| License | BSD3 |
| Maintainer | Sven Panne <svenpanne@gmail.com> |
| Stability | stable |
| Portability | portable |
| Safe Haskell | Safe-Inferred |
| Language | Haskell2010 |
Graphics.Rendering.OpenGL.GL.ReadCopyPixels
Description
This module corresponds to section 4.3 (Drawing, Reading, and Copying Pixels) of the OpenGL 2.1 specs.
Synopsis
- readPixels :: Position -> Size -> PixelData a -> IO ()
- readBuffer :: StateVar BufferMode
- data PixelCopyType
- copyPixels :: Position -> Size -> PixelCopyType -> IO ()
- data BlitBuffer
- blitFramebuffer :: Position -> Position -> Position -> Position -> [BlitBuffer] -> TextureFilter -> IO ()
Reading Pixels
readBuffer :: StateVar BufferMode Source #
Copying Pixels
data PixelCopyType Source #
Constructors
| CopyColor | |
| CopyDepth | |
| CopyStencil |
Instances
| Show PixelCopyType Source # | |
Defined in Graphics.Rendering.OpenGL.GL.ReadCopyPixels Methods showsPrec :: Int -> PixelCopyType -> ShowS show :: PixelCopyType -> String showList :: [PixelCopyType] -> ShowS | |
| Eq PixelCopyType Source # | |
Defined in Graphics.Rendering.OpenGL.GL.ReadCopyPixels | |
| Ord PixelCopyType Source # | |
Defined in Graphics.Rendering.OpenGL.GL.ReadCopyPixels Methods compare :: PixelCopyType -> PixelCopyType -> Ordering (<) :: PixelCopyType -> PixelCopyType -> Bool (<=) :: PixelCopyType -> PixelCopyType -> Bool (>) :: PixelCopyType -> PixelCopyType -> Bool (>=) :: PixelCopyType -> PixelCopyType -> Bool max :: PixelCopyType -> PixelCopyType -> PixelCopyType min :: PixelCopyType -> PixelCopyType -> PixelCopyType | |
copyPixels :: Position -> Size -> PixelCopyType -> IO () Source #
Copying Pixels for framebuffers
data BlitBuffer Source #
The buffers which can be copied with blitFramebuffer.
Constructors
| ColorBuffer' | |
| StencilBuffer' | |
| DepthBuffer' |
Instances
| Show BlitBuffer Source # | |
Defined in Graphics.Rendering.OpenGL.GL.ReadCopyPixels Methods showsPrec :: Int -> BlitBuffer -> ShowS show :: BlitBuffer -> String showList :: [BlitBuffer] -> ShowS | |
| Eq BlitBuffer Source # | |
Defined in Graphics.Rendering.OpenGL.GL.ReadCopyPixels | |
| Ord BlitBuffer Source # | |
Defined in Graphics.Rendering.OpenGL.GL.ReadCopyPixels Methods compare :: BlitBuffer -> BlitBuffer -> Ordering (<) :: BlitBuffer -> BlitBuffer -> Bool (<=) :: BlitBuffer -> BlitBuffer -> Bool (>) :: BlitBuffer -> BlitBuffer -> Bool (>=) :: BlitBuffer -> BlitBuffer -> Bool max :: BlitBuffer -> BlitBuffer -> BlitBuffer min :: BlitBuffer -> BlitBuffer -> BlitBuffer | |
blitFramebuffer :: Position -> Position -> Position -> Position -> [BlitBuffer] -> TextureFilter -> IO () Source #