Re: [Mesa3d-users] egl pbuffer

[Jamie A. <jam...@gm...>]

On Wed, Feb 10, 2010 at 10:12 AM, Chia-I Wu <ol...@gm...> wrote:

> On Thu, Feb 11, 2010 at 1:57 AM, Jamie Amendolagine
> <jam...@gm...> wrote:
> > I am porting an egl/opengl-es2 application to mesa (opengl-es branch --
> > software rasterizer for now) from the powervr egl/opengl-es2 wrappers on
> a
> > desktop linux. I've just started, and see that my pbuffer code is blowing
> up
> > right here (on the exit):
> >   EGLint pbufferConfigAttribs[] = {
> >     EGL_CONFIG_CAVEAT, EGL_NONE,
> >     EGL_BUFFER_SIZE, bufferSize,
> >     EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
> >     EGL_BIND_TO_TEXTURE_RGB, EGL_TRUE,
> >     EGL_NONE
> >   };
> >
> >   int iConfigs;
> >   if (!eglChooseConfig(EGLX11System::eglDisplay,
> >                pbufferConfigAttribs,
> >                &EGLX11System::eglPbufferConfig,
> >                1, &iConfigs) ){
> >     TestEGLError("eglChooseConfig");
> >     printf("Error: eglChooseConfig() failed. line:%i\n", __LINE__);
> >     exit(1); // exits here
> >   }
> > Does anyone know if pbuffers are currently working in mesa?
> First of all, opengl-es branch (actually, opengl-es-v2) has been merged to
>

Ah, yes, I see, actually I am on the master, and do have egl building. I now
see progs/es1/xegl/pbuffer.c. It runs, but I'm not sure if it's working
correctly yet. I'll verify it and make an es2 version to test there.



> master.  There have also been many changes to EGL and its drivers.  You
> might
> want to try the master branch to see if it works.  There is a guide at
> docs/egl.html on how to configure/build EGL.
>
> As for your problem, it is likely that no config has pbuffer bit or
> bind_to_texture_rgb set.  You might either define DEBUG (on master branch)
> or
> set a break point at _eglChooseConfig to find out why.
>
>
Thanks I'll try that.

So based on the above example, it seems that pbuffers should be working
then, at least with some configurations?

Jamie


> --
> ol...@Lu...
>