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The QGL namespace specifies miscellaneous identifiers used in the Qt OpenGL module. More...
#include <QGL>
The QGL namespace specifies miscellaneous identifiers used in the Qt OpenGL module.
This enum specifies the format options that can be used to configure an OpenGL context. These are set using QGLFormat::setOption().
| Constant | Value | Description |
|---|---|---|
| QGL::DoubleBuffer | 0x0001 | Specifies the use of double buffering. |
| QGL::DepthBuffer | 0x0002 | Enables the use of a depth buffer. |
| QGL::Rgba | 0x0004 | Specifies that the context should use RGBA as its pixel format. |
| QGL::AlphaChannel | 0x0008 | Enables the use of an alpha channel. |
| QGL::AccumBuffer | 0x0010 | Enables the use of an accumulation buffer. |
| QGL::StencilBuffer | 0x0020 | Enables the use of a stencil buffer. |
| QGL::StereoBuffers | 0x0040 | Enables the use of a stereo buffers for use with visualization hardware. |
| QGL::DirectRendering | 0x0080 | Specifies that the context is used for direct rendering to a display. |
| QGL::HasOverlay | 0x0100 | Enables the use of an overlay. |
| QGL::SampleBuffers | 0x0200 | Enables the use of sample buffers. |
| QGL::SingleBuffer | DoubleBuffer<<16 | Specifies the use of a single buffer, as opposed to double buffers. |
| QGL::NoDepthBuffer | DepthBuffer<<16 | Disables the use of a depth buffer. |
| QGL::ColorIndex | Rgba<<16 | Specifies that the context should use a color index as its pixel format. |
| QGL::NoAlphaChannel | AlphaChannel<<16 | Disables the use of an alpha channel. |
| QGL::NoAccumBuffer | AccumBuffer<<16 | Disables the use of an accumulation buffer. |
| QGL::NoStencilBuffer | StencilBuffer<<16 | Disables the use of a stencil buffer. |
| QGL::NoStereoBuffers | StereoBuffers<<16 | Disables the use of stereo buffers. |
| QGL::IndirectRendering | DirectRendering<<16 | Specifies that the context is used for indirect rendering to a buffer. |
| QGL::NoOverlay | HasOverlay<<16 | Disables the use of an overlay. |
| QGL::NoSampleBuffers | SampleBuffers<<16 | Disables the use of sample buffers. |
The FormatOptions type is a typedef for QFlags<FormatOption>. It stores an OR combination of FormatOption values.
See also Sample Buffers Example.
| Copyright © 2009 Nokia Corporation and/or its subsidiary(-ies) | Trademarks | Qt 4.5.1 |