Lines Matching refs:age

64     This extension lets applications query the age of the back buffer
67     either be reported as invalid (has an age of 0) or it may be
71     Once the application has queried the buffer age, the age of
95     knowing the age of the buffer they know how to efficiently repair
153             Querying EGL_BUFFER_AGE_EXT returns the age of the color
156         under certain conditions described below, use this age to
172             * The current back buffer's age is set to 1.
174               their age was previously greater than 0.
176         For the purposes of buffer age tracking, a buffer's content
177         is considered defined when its age is a value greater than 0.
180         implementation that swaps via buffer exchanges, the age would
181         usually be 2. With a triple buffered surface the age would
182         usually be 3. An age of 1 means the previous swap was
183         implemented as a copy. An age of 0 means the buffer has only
186         always have an age of 0.
189         age to a positive value. Once EGL_BUFFER_AGE_EXT has been
190         queried then it can be assumed that the age will remain valid
192         permitted, but not required, to reset the buffer age in
196         nature does not affect the age of content for pixels that pass
201         buffer age was queried and the following frame boundary.
209         power-management events then EGL will return an age of 0 when
213         it can be assumed that the age will always be 1. It is
217         buffer age and the regions that have changed over the last 2
225         processes, the buffer age is not guaranteed to be synchronized
250         RESOLVED: The age will always be 1 in this case. More
252         recommendation to use the buffer age to reuse buffers instead
264     3) What are the semantics if the buffer age attribute is queried for
271     4) What is the buffer age of a single buffered surface?
273         RESOLVED: 0.  This falls out implicitly from the buffer age
274         calculations, which dictate that a buffer's age starts at 0,
277         their age will always be 0.
279     5) What guarantees are provided after querying the buffer age?
281         RESOLVED: The buffer age of pixels which continue to pass the
285         may reset the queryable age of the buffer when pixel ownership
297       - Split out the buffer age parts from EGL_INTEL_start_frame
299       - Document that once the age is queried it remains valid until
306       - Document that an error will be generated if querying the age
311         clarification of the buffer age calculation.
313       - Update in line with changes made to the EGL_EXT_buffer age