El jueves, 22 de noviembre de 2018 18:30:39 -03 Marcin Juszkiewicz escribió: > W dniu 22.11.2018 o 19:37, Dmitry Shachnev pisze: > > The Qt framework can be built either with “desktop” OpenGL, or with OpenGL > > ES support. At the moment we are building it with OpenGL ES on armel and > > armhf, and with desktop OpenGL on all other architectures. > > > > However we have received a request [1] from two different persons to add > > arm64 to the list of architectures where OpenGL ES is used. > > > > We want your feedback! If you are using an arm64 device or board with Qt, > > please let us know your opinion about this change, by replying to this > > mail > > or to [1], and describe your use case. > > Does it mean that arm64 box with PCI Express graphics card will be not > able to use Qt based software? I can put Radeon or NVidia card into my > box and use it as a normal OpenGL accelerated desktop (did that already > few years ago).
"Depends". The change is only for software using some specific classes inside libqt5gui5. If your video card supports GLES (aka OpenGL ES) then you should be fine. I *think* that most video cards support both GLES and Desktop OpenGL, but feel free to point me wrong. Also I understand that if your video card does not supports GLES then software-based rendering might happen. The real issue here is that *many* arm64 boards currently do not support Desktop OpenGL, but do support GLES. Also applications using GLU[T] or glew will not be able to compile anymore on arm64. GLU[T] has not been ported to GLES, glew somehow differs in a type definition. > >From what I see the problem is with Qt not being able to be built with > > support for both OpenGL and OpenGLES ;( That would be ideal, but yes, it's currently a build-time selection. -- The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man. George Bernard Shaw Lisandro Damián Nicanor Pérez Meyer http://perezmeyer.com.ar/ http://perezmeyer.blogspot.com/
signature.asc
Description: This is a digitally signed message part.
