Re: [Mesa3d-users] egl pbuffer

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

I have created a simple es2 pbuffer example starting from the es1 examples
"two_win, render_tex", and the es2 example "tri". Let me know if you would
like it.

Jamie

On Wed, Feb 10, 2010 at 10:36 AM, Jamie Amendolagine <
jam...@gm...> wrote:

>
>
> 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...
>>
>
>