kc3-lang/angle/extensions/EGL_ANGLE_keyed_mutex.txt
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Hash : d17c016b
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Date : 2014-10-27T14:10:35
Add support for RESOURCE_MISC_SHARED_KEYEDMUTEX Change-Id: I225f38b4616ac47e690dccbcb67074fedc571d61 Reviewed-on: https://chromium-review.googlesource.com/225642 Reviewed-by: Geoff Lang <geofflang@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>
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extensions/EGL_ANGLE_keyed_mutex.txt
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Name ANGLE_keyed_mutex Name Strings EGL_ANGLE_keyed_mutex Contributors Jeff Muizelaar Contacts Jeff Muizelaar, Mozilla (jmuizelaar 'at' mozilla.org) Status Implemented in ANGLE. Version Version 1, Oct 29, 2014 Number EGL Extension #?? Dependencies Requires the EGL_ANGLE_query_surface_pointer extension. This extension is written against the wording of the EGL 1.4 Specification. Overview Some EGL implementations generate EGLSurface handles that are backed by Direct3D 11 2D textures. This extension allows obtaining the IDXGIKeyedMutex for such EGL surfaces. New Types None New Procedures and Functions None New Tokens Accepted in the <attribute> parameter of eglQuerySurfacePointerANGLE: EGL_DXGI_KEYED_MUTEX_ANGLE 0x33A2 Add to table 3.5, "Queryable surface attributes and types": Attribute Type Description --------- ---- ----------- EGL_DXGI_KEYED_MUTEX_ANGLE pointer IDXGIKeyedMutex Add before the last paragraph in section 3.5, "Surface attributes": "Querying EGL_DXGI_KEYED_MUTEX_ANGLE returns a IDXGIKeyedMutex, or NULL if a keyed mutex for the surface is not available. The keyed mutex must be queried using eglQuerySurfaceAttribPointerANGLE. Keyed Mutexes are only available from EGL surfaces backed by Direct3D 11 surfaces. Before using the keyed mutex, ensure that all rendering to the EGLSurface with EGL client APIs has completed." Issues Revision History Version 1, 2014/10/29 - first draft.