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fosphor/cl: Retry context creation without CL/GL sharing if needed 

This happens commonly on optimus laptop when CL is Nvidia and the GL
is the Intel card. They can't share data ...

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
This commit is contained in:
Sylvain Munaut 2015-08-25 14:52:31 -04:00
parent a969e7fbb0
commit 44465b9186
1 changed files with 17 additions and 2 deletions
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19
lib/fosphor/cl.c
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@ -605,10 +605,25 @@ cl_do_init(struct fosphor *self)
ctx_props[6] = 0;
#endif
/* Attempt to create context */
cl->ctx = clCreateContext(ctx_props, 1, &cl->dev_id, NULL, NULL, &err);
if (err != CL_SUCCESS) {
/* Failed, we'll retry again without CL/GL sharing */
fprintf(stderr, "[w] CL Error (%d, %s:%d): "
"Unable to create context with CL/GL sharing, retrying without\n",
err, __FILE__, __LINE__);
self->flags &= ~FLG_FOSPHOR_USE_CLGL_SHARING;
ctx_props[0] = 0;
}
}
cl->ctx = clCreateContext(ctx_props, 1, &cl->dev_id, NULL, NULL, &err);
CL_ERR_CHECK(err, "Unable to create context");
if (!(self->flags & FLG_FOSPHOR_USE_CLGL_SHARING))
{
cl->ctx = clCreateContext(ctx_props, 1, &cl->dev_id, NULL, NULL, &err);
CL_ERR_CHECK(err, "Unable to create context");
}
/* Command Queue */
cl->cq = clCreateCommandQueue(cl->ctx, cl->dev_id, 0, &err);