Thanks. My testing goes no further than glClear, but even that does not work. It works fine in the desktop version. The related error is (i think): "libEGL warning: DRI2: failed to authenticate" Googling on this error didn help me any further.
r wim > On Jul 9, 2013, at 2:06 PM, Wim de Vries <wsvr...@xs4all.nl> wrote: >> I have asked this question before, but got no answer. >> Now the issue becomes more urgent for my project. >> Trying again: >> does/should the sailfish emulator support openGL (ES)? >> thanks. > > Yes, OpenGL ES 1.1 and OpenGL ES 2.0 are supported in the Sailfish > Emulator: > > [root@SailfishEmul ~]# rpm -qa | egrep '(GLES|EGL)' > mesa-llvmpipe-libEGL-9.0.2-1.2.i486 > mesa-llvmpipe-libGLESv1-devel-9.0.2-1.2.i486 > mesa-llvmpipe-libGLESv2-9.0.2-1.2.i486 > mesa-llvmpipe-libGLESv1-9.0.2-1.2.i486 > mesa-llvmpipe-libGLESv2-devel-9.0.2-1.2.i486 > mesa-llvmpipe-libEGL-devel-9.0.2-1.2.i486 > > (note that the -devel packages are only needed for development, so on the > Emulator you don't need them) > > OpenGL ES 2.0 can be used directly with Qt (QGLWidget in QtOpenGL), OpenGL > ES 1.1 can be used via Xlib + EGL, an example on how to do this is here: > > http://wiki.maemo.org/SimpleGL_Example > > This example uses OpenGL ES 2.0, but you can easily modify it to use > OpenGL ES 1.1 instead (untested): > > Instead of linking against GLESv2, you link against GLESv1_CM, instead of > including GLES2/gl2.h, you include GLES/gl.h and instead of using the > EGL_OPENGL_ES2_BIT attribute, you use EGL_OPENGL_ES_BIT. You obviously > also have to replace the shader usage with fixed function pipeline > equivalents, but if you do OpenGL ES programming, you know how to do that. > > This even works with Python - make sure you have python-pyside and > python-imaging installed, and you should be able to run OpenGL ES 2.0 > examples like SwipEout (http://thp.io/2011/swipeout/) directly from the > console - no compiler needed, just ssh into the emulator (export > DISPLAY=:0; python swipeout.py). > > > HTH :) > Thomas _______________________________________________ SailfishOS.org Devel mailing list
