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53 lines
2.0 KiB
53 lines
2.0 KiB
16 years ago
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KEYWORDS:
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Wayland is a nano display server, relying on drm modesetting, gem
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batchbuffer submission and hw initialization generally in the
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kernel. Wayland is compositing manager and display server in one
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process. window management is largely pushed to the clients, they
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draw their own decorations and move and resize themselves,
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typically implemented in a library. more of the core desktop could
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be pushed into wayland, for example, stock desktop components such
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as the panel or the desktop background.
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It is still designed with a windowed type of desktop in mind, as
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opposed to fullscreen-all-the-time type of interface.
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Current trends goes towards less and less rendering in X server,
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more hardware setup and management in kernel and shared libraries
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allow code sharing without putting it all in a server.
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Client allocates DRM buffers, draws decorations, and full window
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contents and posts entire thing to server along with dimensions.
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Everything is direct rendered and composited. No cliprects, no
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drawing api/protocl between server and client. No
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pixmaps/windows/drawables, only surfaces (essentially pixmaps). No
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gcs/fonts, no nested windows. OpenGL is already direct rendered,
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pixman may be direct rendered which adds the cairo API, or cairo
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may gain a GL backend.
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ISSUES:
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Include panel and desktop background in wayland?
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How does clients move their surfaces? set a full tri-mesh every time?
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How does the server apply transformations to a surface behind the
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clients back? (wobbly, minimize, zoom) Maybe wobble is client side?
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How do apps share the glyph cache?
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Input handling - keyboard focus, multiple input devices, multiple
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pointers, multi touch.
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Drawing cursors, moving them, cursor themes, attaching surfaces to
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cursors. How do you change cursors when you mouse over a text
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field if you don't have subwindows?
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synaptics, 3-button emulation, xkb, scim
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RMI
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the get_interface method is called on an object to get an object
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handle that implements the specified interface.
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