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Hil All
I've a modest "Intel Iris" built-in card. My friend tests ny code with 2 cards:. Wuth “Intel HD Graphics 3000” all is as expected, speed is only 10-15% slower compare toi main. But with second one “AMD Radeon HD 6750M” the difference is huge. drawin is in 3-4 times slower.
How to estimate this? Is it normal, because his Radeon is old, or maybe it's ny bug(s)?
Platform OSX, OpenGL Core 3.3
Thx
What exactly is slower? Collect execution times of every graphics call to find out which ones are underperforming on the Radeon card. There's of course the preliminary question of how useful supporting old video cards is.
