93 lines
2.5 KiB
RPMSpec
93 lines
2.5 KiB
RPMSpec
Name
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WL_bind_wayland_display
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Name Strings
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EGL_WL_bind_wayland_display
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Contact
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Kristian Høgsberg <krh@bitplanet.net>
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Benjamin Franzke <benjaminfranzke@googlemail.com>
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Status
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Proposal
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Version
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Version 1, March 1, 2011
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Number
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EGL Extension #not assigned
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Dependencies
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Requires EGL 1.4 or later. This extension is written against the
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wording of the EGL 1.4 specification.
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EGL_KHR_base_image is required.
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Overview
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This extension provides entry points for binding and unbinding the
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wl_display of a Wayland compositor to an EGLDisplay. Binding a
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wl_display means that the EGL implementation should provide one or
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more interfaces in the Wayland protocol to allow clients to create
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wl_buffer objects. On the server side, this extension also
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provides a new target for eglCreateImageKHR, to create an EGLImage
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from a wl_buffer
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Adding an implementation specific wayland interface, allows the
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EGL implementation to define specific wayland requests and events,
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needed for buffer sharing in an EGL wayland platform.
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IP Status
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Open-source; freely implementable.
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New Procedures and Functions
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EGLBoolean eglBindWaylandDisplayWL(EGLDisplay dpy,
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struct wl_display *display);
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EGLBoolean eglUnbindWaylandDisplayWL(EGLDisplay dpy,
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struct wl_display *display);
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New Tokens
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Accepted as <target> in eglCreateImageKHR
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EGL_WAYLAND_BUFFER_WL 0x31D5
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Additions to the EGL 1.4 Specification:
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To bind a server side wl_display to an EGLDisplay, call
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EGLBoolean eglBindWaylandDisplayWL(EGLDisplay dpy,
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struct wl_display *display);
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To unbind a server side wl_display from an EGLDisplay, call
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EGLBoolean eglUnbindWaylandDisplayWL(EGLDisplay dpy,
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struct wl_display *display);
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eglBindWaylandDisplayWL returns EGL_FALSE when there is already a
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wl_display bound to EGLDisplay otherwise EGL_TRUE.
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eglUnbindWaylandDisplayWL returns EGL_FALSE when there is no
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wl_display bound to the EGLDisplay currently otherwise EGL_TRUE.
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Import a wl_buffer by calling eglCreateImageKHR with
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wl_buffer as EGLClientBuffer, EGL_WAYLAND_BUFFER_WL as the target,
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NULL context and an empty attribute_list.
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Issues
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Revision History
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Version 1, March 1, 2011
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Initial draft (Benjamin Franzke)
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