Earlier quoted context omitted.
They created OpenCL and supported OpenGL (ES) as the only graphics API on their platforms for years, but now they have dumped both open standards in favour of their own proprietary ones.
Actually they created Quickdraw 3D, and only adopted OpenGL as the NeXT team came onboard. Although they created and gave OpenCL 1.0 to Khronos, they were not happy with the path that Khronos was taking it and their support basically stagnated on OpenCL 1.0. As side note Google is yet to support OpenCL on Android, instead just like they did with their Android Java, they decided to create their own flavour, Renderscri…
You should have a look to pwcalton's Twitter feed if you want a quick overview of how nice the tools in questions are. Getting a kernel panic when running Xcode doesn't sound like “nice debugging tools” to me…