Re: [Mesa-dev] EGL and glClear(): Nothing is drawn on screen

2013-04-10 Thread Ralf Jung
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi, > OK, the presence of glDrawBuffer(GL_FRONT) in the linked code plus > the glFinish()/glFlush()es made it look like you were. I did some experimenting with manual copying... also, the code will clearly show that I am very inexperienced at GL ;-)

Re: [Mesa-dev] EGL and glClear(): Nothing is drawn on screen

2013-04-10 Thread Ralf Jung
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi, >> I am not using GLES, but normal OpenGL through EGL. And I am >> pretty sure it's double-buffered - as far as I understood it, >> that's the default, and I did not attempt to override it in any >> way (like calling glDrawBuffer). > > Oh, our

Re: [Mesa-dev] EGL and glClear(): Nothing is drawn on screen

2013-04-10 Thread Ralf Jung
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi, > If you were testing with front buffer rendering, GLES doesn't > support front buffer rendering (because nobody should ever use > it). I recommend using a debug build of mesa when developing GL > applications, since it dumps GL error messages t

[Mesa-dev] EGL and glClear(): Nothing is drawn on screen

2013-04-09 Thread Ralf Jung
Hi list, first of all, sorry if this is the wrong list for my issue. I tried various IRC channels, but got no reply, and since I am not actually sure there is a bug here, I decided to write to a list instead of filing a bugreport. My issue is as follows: I wrote a simple GL application which make