[Mesa-dev] [PATCH shaderdb 1/2] run: fall back to v3.1 core ctx if v3.2 fails

[Matt Turner]

On Sat, Jan 27, 2018 at 4:02 PM, Matt Turner <mattst88 at gmail.com> wrote:
> On Sat, Jan 27, 2018 at 10:06 AM, Rob Clark <robdclark at gmail.com> wrote:
>> Signed-off-by: Rob Clark <robdclark at gmail.com>
>> ---
>>  run.c | 12 ++++++++++++
>>  1 file changed, 12 insertions(+)
>>
>> diff --git a/run.c b/run.c
>> index 69fe23d..20a0a6a 100644
>> --- a/run.c
>> +++ b/run.c
>> @@ -520,6 +520,18 @@ main(int argc, char **argv)
>>      };
>>      EGLContext core_ctx = eglCreateContext(egl_dpy, cfg, EGL_NO_CONTEXT,
>>                                             attribs);
>> +
>> +    if (core_ctx == EGL_NO_CONTEXT) {
>> +        static const EGLint attribs_31[] = {
>> +            EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR,
>> +            EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR,
>
> Profiles are only introduced in v3.2. I can't see how this can work.

If you want to fall back to 3.1, you just request the version without
the PROFILE_MASK, so just remove these two lines.

If I had to guess what you're aiming for... I'd say freedreno only
does 3.1 and this allows it to handle some #version 140 (GL 3.1)
shaders?