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Re: [Public WebGL] For review: ANGLE_timer_query extension



Good question. As the primary author of the ANGLE_timer_query
extension, Ben Vanik should answer it.

Note that beginQuery and endQuery will definitely be needed in the
OpenGL ES 3.0 upgrade, since they support occlusion and primitive
queries.

-Ken


On Tue, Apr 2, 2013 at 4:51 PM, Arnaud, Remi <Remi.Arnaud@amd.com> wrote:
> I was wondering if beginQueryANGLE and endQueryANGLE are needed, seems
> like queryCounterANGLE alone can cover all use cases?
>
> Regards
> -- Remi
>
> On 4/2/13 4:33 PM, "Kenneth Russell" <kbr@google.com> wrote:
>
>>
>>The MapsGL team has requested for some time that the ANGLE_timer_query
>>extension be exposed to WebGL. The primary use case is to allow tools
>>to be written which identify performance problems in WebGL
>>applications.
>>
>>Please review the proposal and send comments to the list:
>>
>>http://www.khronos.org/registry/webgl/extensions/proposals/ANGLE_timer_que
>>ry/
>>
>>Note that the planned upgrade of WebGL to the OpenGL ES 3.0 API will
>>pull the query functions into the core. This extension becomes much
>>smaller when applied to that API version.
>>
>>Thanks,
>>
>>-Ken
>>
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