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
Copying Pixels
data PixelCopyType Source #
Constructors
CopyColor | |
CopyDepth | |
CopyStencil |
Instances
Show PixelCopyType Source # | |
Defined in Graphics.Rendering.OpenGL.GL.ReadCopyPixels | |
Eq PixelCopyType Source # | |
Defined in Graphics.Rendering.OpenGL.GL.ReadCopyPixels Methods (==) :: PixelCopyType -> PixelCopyType -> Bool Source # (/=) :: PixelCopyType -> PixelCopyType -> Bool Source # | |
Ord PixelCopyType Source # | |
Defined in Graphics.Rendering.OpenGL.GL.ReadCopyPixels Methods compare :: PixelCopyType -> PixelCopyType -> Ordering Source # (<) :: PixelCopyType -> PixelCopyType -> Bool Source # (<=) :: PixelCopyType -> PixelCopyType -> Bool Source # (>) :: PixelCopyType -> PixelCopyType -> Bool Source # (>=) :: PixelCopyType -> PixelCopyType -> Bool Source # max :: PixelCopyType -> PixelCopyType -> PixelCopyType Source # min :: PixelCopyType -> PixelCopyType -> PixelCopyType Source # |
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 | |
Eq BlitBuffer Source # | |
Defined in Graphics.Rendering.OpenGL.GL.ReadCopyPixels Methods (==) :: BlitBuffer -> BlitBuffer -> Bool Source # (/=) :: BlitBuffer -> BlitBuffer -> Bool Source # | |
Ord BlitBuffer Source # | |
Defined in Graphics.Rendering.OpenGL.GL.ReadCopyPixels Methods compare :: BlitBuffer -> BlitBuffer -> Ordering Source # (<) :: BlitBuffer -> BlitBuffer -> Bool Source # (<=) :: BlitBuffer -> BlitBuffer -> Bool Source # (>) :: BlitBuffer -> BlitBuffer -> Bool Source # (>=) :: BlitBuffer -> BlitBuffer -> Bool Source # max :: BlitBuffer -> BlitBuffer -> BlitBuffer Source # min :: BlitBuffer -> BlitBuffer -> BlitBuffer Source # |
blitFramebuffer :: Position -> Position -> Position -> Position -> [BlitBuffer] -> TextureFilter -> IO () Source #