Graphics.OpenGLES.Framebuffer

Whole Framebuffer Operations

Clearing the Buffers

clear :: [RenderConfig] -> BufferMask -> GL ()

Clear the bound Framebuffer.

clear [] colorBuffer
clear [bindFb framebuffer] (colorBuffer+depthBuffer)

clearColor :: Float -> Float -> Float -> Float -> GL ()

Specify clear color (r,g,b,a)

clearDepth :: Float -> GL ()

Specify clear depth

clearStencil :: Int32 -> GL ()

Specify clear stencil

data BufferMask

Instances

Num BufferMask

colorBuffer :: BufferMask

depthBuffer :: BufferMask

stencilBuffer :: BufferMask

Fine Control of Buffer Updates

colorMask :: Bool -> Bool -> Bool -> Bool -> GL ()

Color mask (r,g,b,a)

depthMask :: Bool -> GL ()

Depth mask

stencilMask :: Word32 -> GL ()

Stencil mask

stencilMaskSep :: CullFace -> Word32 -> GL ()

Stencil mask by face

Renderbuffer

glRenderbuffer

Arguments

:: InternalFormat a b

=> Int32

sample count (0 to disable multisampling)

-> GL (V2 Int32)

renderbuffer dimentions getter

-> GL (Renderbuffer b)

New Renderbuffer with specified sample count and dimentions.

unsafeRenderbuffer

Arguments

:: Int32

sample count (0 to disable multisampling)

-> GL (V2 Int32)

renderbuffer dimentions getter

-> GLenum

internal format enum

-> GL (Renderbuffer a)

glRenderbuffer with explicit internal format.

Framebuffer

glFramebuffer :: [CR] -> DepthStencil -> GL Framebuffer

New Framebuffer from specified ColorRenderables and DepthStencil

data CR

Color renderable wrapper.

Constructors

forall a c . (Attachable a c, ColorRenderable c) => CR (a c)

class Attachable a b

Minimal complete definition

glAttachToFramebuffer

data DepthStencil

Depth and Stencil renderable wrapper.

colorOnly :: DepthStencil

depthImage :: (Attachable a d, DepthRenderable d) => a d -> DepthStencil

stencilImage :: (Attachable a s, StencilRenderable s) => a s -> DepthStencil

depthStencil :: (Attachable a r, DepthRenderable r, StencilRenderable r) => a r -> DepthStencil

Framebuffer Settings

bindFb :: Framebuffer -> GL ()

Bind the Framebuffer.

withFb :: Framebuffer -> GL a -> GL a

defaultFramebuffer :: Framebuffer

viewport

Arguments

:: V4 Int32

V4 x y w h

-> GL ()

Cliping current framebuffer. Note that origin is left-bottom.

getViewport

Arguments

:: GL (V4 Int32)

V4 x y w h

withViewport :: V4 Int32 -> GL a -> GL a

depthRange :: V2 Float -> GL ()

getDepthRange

Arguments

:: GL (V2 Float)

(near, far)

Set depth range (near, far)

withDepthRange :: V2 Float -> GL a -> GL a