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1. pattern GL_READ_PIXELS_FORMAT :: (Eq a, Num a) => a

   gl	Graphics.GL.Core43

   No documentation available.

2. pattern GL_READ_PIXELS_TYPE :: (Eq a, Num a) => a

   gl	Graphics.GL.Core43

   No documentation available.

3. pattern GL_SRGB_READ :: (Eq a, Num a) => a

   gl	Graphics.GL.Core43

   No documentation available.

4. glNamedFramebufferReadBuffer :: MonadIO m => GLuint -> GLenum -> m ()

   gl	Graphics.GL.Core45

   Usage: glNamedFramebufferReadBuffer framebuffer src

5. glReadnPixels :: MonadIO m => GLint -> GLint -> GLsizei -> GLsizei -> GLenum -> GLenum -> GLsizei -> Ptr () -> m ()

   gl	Graphics.GL.Core45

   Usage: glReadnPixels x y width height format type bufSize data

6. pattern GL_IMPLEMENTATION_COLOR_READ_FORMAT :: (Eq a, Num a) => a

   gl	Graphics.GL.Embedded20

   No documentation available.

7. pattern GL_IMPLEMENTATION_COLOR_READ_TYPE :: (Eq a, Num a) => a

   gl	Graphics.GL.Embedded20

   No documentation available.

8. glReadPixels :: MonadIO m => GLint -> GLint -> GLsizei -> GLsizei -> GLenum -> GLenum -> Ptr () -> m ()

   gl	Graphics.GL.Embedded20

   Usage: glReadPixels x y width height format type pixels The parameter x is a WinCoord. The parameter y is a WinCoord. The parameter format is a PixelFormat, one of: GL_ABGR_EXT, GL_ALPHA, GL_BLUE, GL_CMYKA_EXT, GL_CMYK_EXT, GL_COLOR_INDEX, GL_DEPTH_COMPONENT, GL_GREEN, GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_RED, GL_RED_EXT, GL_RGB, GL_RGBA, GL_STENCIL_INDEX, GL_UNSIGNED_INT, GL_UNSIGNED_SHORT, GL_YCRCB_422_SGIX, GL_YCRCB_444_SGIX. The parameter type is a PixelType, one of: GL_BITMAP, GL_BYTE, GL_FLOAT, GL_INT, GL_SHORT, GL_UNSIGNED_BYTE, GL_UNSIGNED_BYTE_3_3_2, GL_UNSIGNED_BYTE_3_3_2_EXT, GL_UNSIGNED_INT, GL_UNSIGNED_INT_10_10_10_2, GL_UNSIGNED_INT_10_10_10_2_EXT, GL_UNSIGNED_INT_8_8_8_8, GL_UNSIGNED_INT_8_8_8_8_EXT, GL_UNSIGNED_SHORT, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_SHORT_5_5_5_1_EXT. The length of pixels should be COMPSIZE(format,type,width,height). Manual page: https://www.opengl.org/sdk/docs/man/html/glReadPixels.xhtml

9. pattern GL_ALREADY_SIGNALED :: (Eq a, Num a) => a

   gl	Graphics.GL.Embedded30

   No documentation available.

10. pattern GL_COPY_READ_BUFFER :: (Eq a, Num a) => a

    gl	Graphics.GL.Embedded30

    No documentation available.

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