1*8975f5c5SAndroid Build Coastguard WorkerName 2*8975f5c5SAndroid Build Coastguard Worker 3*8975f5c5SAndroid Build Coastguard Worker ANGLE_keyed_mutex 4*8975f5c5SAndroid Build Coastguard Worker 5*8975f5c5SAndroid Build Coastguard WorkerName Strings 6*8975f5c5SAndroid Build Coastguard Worker 7*8975f5c5SAndroid Build Coastguard Worker EGL_ANGLE_keyed_mutex 8*8975f5c5SAndroid Build Coastguard Worker 9*8975f5c5SAndroid Build Coastguard WorkerContributors 10*8975f5c5SAndroid Build Coastguard Worker 11*8975f5c5SAndroid Build Coastguard Worker Jeff Muizelaar 12*8975f5c5SAndroid Build Coastguard Worker 13*8975f5c5SAndroid Build Coastguard WorkerContacts 14*8975f5c5SAndroid Build Coastguard Worker 15*8975f5c5SAndroid Build Coastguard Worker Jeff Muizelaar, Mozilla (jmuizelaar 'at' mozilla.org) 16*8975f5c5SAndroid Build Coastguard Worker 17*8975f5c5SAndroid Build Coastguard WorkerStatus 18*8975f5c5SAndroid Build Coastguard Worker 19*8975f5c5SAndroid Build Coastguard Worker Implemented in ANGLE. 20*8975f5c5SAndroid Build Coastguard Worker 21*8975f5c5SAndroid Build Coastguard WorkerVersion 22*8975f5c5SAndroid Build Coastguard Worker 23*8975f5c5SAndroid Build Coastguard Worker Version 1, Oct 29, 2014 24*8975f5c5SAndroid Build Coastguard Worker 25*8975f5c5SAndroid Build Coastguard WorkerNumber 26*8975f5c5SAndroid Build Coastguard Worker 27*8975f5c5SAndroid Build Coastguard Worker EGL Extension #?? 28*8975f5c5SAndroid Build Coastguard Worker 29*8975f5c5SAndroid Build Coastguard WorkerDependencies 30*8975f5c5SAndroid Build Coastguard Worker 31*8975f5c5SAndroid Build Coastguard Worker Requires the EGL_ANGLE_query_surface_pointer extension. 32*8975f5c5SAndroid Build Coastguard Worker 33*8975f5c5SAndroid Build Coastguard Worker This extension is written against the wording of the EGL 1.4 34*8975f5c5SAndroid Build Coastguard Worker Specification. 35*8975f5c5SAndroid Build Coastguard Worker 36*8975f5c5SAndroid Build Coastguard WorkerOverview 37*8975f5c5SAndroid Build Coastguard Worker 38*8975f5c5SAndroid Build Coastguard Worker Some EGL implementations generate EGLSurface handles that are 39*8975f5c5SAndroid Build Coastguard Worker backed by Direct3D 11 2D textures. This extension allows 40*8975f5c5SAndroid Build Coastguard Worker obtaining the IDXGIKeyedMutex for such EGL surfaces. 41*8975f5c5SAndroid Build Coastguard Worker 42*8975f5c5SAndroid Build Coastguard WorkerNew Types 43*8975f5c5SAndroid Build Coastguard Worker 44*8975f5c5SAndroid Build Coastguard Worker None 45*8975f5c5SAndroid Build Coastguard Worker 46*8975f5c5SAndroid Build Coastguard WorkerNew Procedures and Functions 47*8975f5c5SAndroid Build Coastguard Worker 48*8975f5c5SAndroid Build Coastguard Worker None 49*8975f5c5SAndroid Build Coastguard Worker 50*8975f5c5SAndroid Build Coastguard WorkerNew Tokens 51*8975f5c5SAndroid Build Coastguard Worker 52*8975f5c5SAndroid Build Coastguard Worker Accepted in the <attribute> parameter of eglQuerySurfacePointerANGLE: 53*8975f5c5SAndroid Build Coastguard Worker 54*8975f5c5SAndroid Build Coastguard Worker EGL_DXGI_KEYED_MUTEX_ANGLE 0x33A2 55*8975f5c5SAndroid Build Coastguard Worker 56*8975f5c5SAndroid Build Coastguard Worker Add to table 3.5, "Queryable surface attributes and types": 57*8975f5c5SAndroid Build Coastguard Worker 58*8975f5c5SAndroid Build Coastguard Worker Attribute Type Description 59*8975f5c5SAndroid Build Coastguard Worker --------- ---- ----------- 60*8975f5c5SAndroid Build Coastguard Worker EGL_DXGI_KEYED_MUTEX_ANGLE pointer IDXGIKeyedMutex 61*8975f5c5SAndroid Build Coastguard Worker 62*8975f5c5SAndroid Build Coastguard Worker Add before the last paragraph in section 3.5, "Surface attributes": 63*8975f5c5SAndroid Build Coastguard Worker 64*8975f5c5SAndroid Build Coastguard Worker "Querying EGL_DXGI_KEYED_MUTEX_ANGLE returns a IDXGIKeyedMutex, or NULL 65*8975f5c5SAndroid Build Coastguard Worker if a keyed mutex for the surface is not available. The keyed mutex 66*8975f5c5SAndroid Build Coastguard Worker must be queried using eglQuerySurfaceAttribPointerANGLE. Keyed Mutexes 67*8975f5c5SAndroid Build Coastguard Worker are only available from EGL surfaces backed by Direct3D 11 surfaces. 68*8975f5c5SAndroid Build Coastguard Worker Before using the keyed mutex, ensure that all rendering to the EGLSurface 69*8975f5c5SAndroid Build Coastguard Worker with EGL client APIs has completed." 70*8975f5c5SAndroid Build Coastguard Worker 71*8975f5c5SAndroid Build Coastguard WorkerIssues 72*8975f5c5SAndroid Build Coastguard Worker 73*8975f5c5SAndroid Build Coastguard WorkerRevision History 74*8975f5c5SAndroid Build Coastguard Worker 75*8975f5c5SAndroid Build Coastguard Worker Version 1, 2014/10/29 - first draft. 76