XGL on Linux

XGL is a powerfull X Server powered with OpenGL, you should need X Server to run it. It has many features. You should see some fetatures here:



Features:

Decouple window resolution from display resolution. Applications may render windows at a particular resolution, but may be seen on-screen at a different resolution.

Fast, simple screen rotation/flipping/panning/magnification.

Advanced font rendering, including on-the-fly outline font rendering using textures and fragment programs

Simulated hardware overlay planes. This long-time workstation graphics feature could be implemented with texture compositing.

Full-screen color manipulation, including gamma correction, contrast enhancement, dimming/brightening, etc.

Mixed pixel depths on one screen. Redirected, top-level windows could all have different color depths (8, 16, 24, 32bpp)

Arbitrary per window colormaps (fragment program texel lookup)

Alternate window color spaces. "video" windows may be stored as YCbCr (smaller than RGB) and converted to RGB on the fly when displayed using texture hardware.

Window image compression: Use S3TC texture compression to compress windows whose contents seldom change. Best use would be the desktop background stored in the root window. Potentially big memory savings.

New opportunities for antialiased X rendering with OpenGL multisampled surfaces.

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