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Re: GL4ES: another OpenGL over OpenGLES2 emulation - some tech. info and porting progress

Subject: Re: GL4ES: another OpenGL over OpenGLES2 emulation - some tech. info and porting progress
by Daytona675x on 2019/9/18 16:08:37

@thellier
Quote:
I am not accoutumed to have a coding subject produce so much answers in so few time

LOL

Quote:
So for any minigl to nova (or warp3d to nova) wrapper it will make sense

In general yes, but... The real effective per frame performance gain highly depends on the respective application / game. The highest gain is to be expected when every existing upload-avoidance-strategy inside ogles2 fails. This is the case for quickly changing, non-repetetive data, e.g. a procedural effect. Or if there are so many different objects per frame that ogles2's caches are constantly overwritten again. Or if there are very large objects which don't fit the internal cache buffers.
As long as there are only a handful of not too big uploads per frame, the performance gain will still exist but probably be neglectable. We'll see
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