[Public WebGL] Proposal: remove TIMESTAMP_EXT functionality from WebGL's EXT_disjoint_timer_query wrapper

Kenneth Russell [email protected]
Wed Jun 8 17:02:43 PDT 2016


Thanks, good suggestion. https://github.com/KhronosGroup/WebGL/pull/1759


On Wed, Jun 8, 2016 at 3:24 PM, Florian Bösch <[email protected]> wrote:

> Maybe non-formative language could be added to the specification in the
> examples section that illustrates how to use the precision bits.
>
> On Wed, Jun 8, 2016 at 11:43 PM, Kenneth Russell <[email protected]> wrote:
>
>> OK. Thanks Florian for pointing this out. I'll drop the request to remove
>> TIMESTAMP queries, under the assumption that they may be necessary in the
>> future.
>>
>> Kirill, please adjust your code to query for the number of bits in
>> TIMESTAMP queries, and choose your implementation strategy based on that.
>>
>> -Ken
>>
>>
>> On Wed, Jun 8, 2016 at 3:21 AM, Florian Bösch <[email protected]> wrote:
>>
>>> It should also be noted that although timer queries are not part of
>>> OpenGL ES 2.0, 3.0, 3.1 or 3.2 core profiles, they are part of OpenGL 4.0,
>>> 4.1, 4.2, 4.3, 4.4, 4.5 and Vulkan 1.0, including TIMESTAMP and precision
>>> queries. It is to be expected that OpenGL ES 4.0 will include elapsed and
>>> timestamp queries in its core profile. It is also the case that TIMESTAMP
>>> queries are the only queries supported in Direct3D 12, and that elapsed
>>> queries are emulated on Direct3D via timestamps.
>>>
>>
>>
>
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