Jan Vesely <jan.ves...@rutgers.edu> writes: > On Fri, 2015-03-06 at 15:53 +0000, Tom Stellard wrote: >> This means dropping CL_FP_DENORM from the current return value. >> >> v2: >> - Add comments about minimum values for OpenCL 1.2. >> --- >> src/gallium/state_trackers/clover/api/device.cpp | 5 ++++- >> 1 file changed, 4 insertions(+), 1 deletion(-) >> >> diff --git a/src/gallium/state_trackers/clover/api/device.cpp >> b/src/gallium/state_trackers/clover/api/device.cpp >> index b1f556f..b79997f 100644 >> --- a/src/gallium/state_trackers/clover/api/device.cpp >> +++ b/src/gallium/state_trackers/clover/api/device.cpp >> @@ -201,8 +201,11 @@ clGetDeviceInfo(cl_device_id d_dev, cl_device_info >> param, >> break; >> >> case CL_DEVICE_SINGLE_FP_CONFIG: >> + // This is the "mandated minimum single precision floating-point >> + // capability" for OpenCL 1.1. In OpenCL 1.2, CL_FP_INF_NAN >> + // is no longer required and nothing is required for custom devices. > I think Francisco's information was not entirely correct. > OpenCL 1.0, 1.1 minimum is INF_NAN | RTN for full profile (page 36, and > 40, respectively) > OpenCL 1.2, 2.0 minimum is INF_NAN | RTN if not TYPE_CUSTOM for full > profile (pages 42, and 67, respectively) > > OpenCL 1.0, 1.1, embedded profile minimum is RTZ or RTN > (pages 298, and 363) > OpenCL 1.2 2.0 embedded profile minimum is RTZ or RTN if not TYPE_CUSTOM > (pages 352, and 262) > > sorry I did not catch the email yesterday. > Ah, you're right, I ended up looking at the embedded profile by accident.
With the CL_FP_INF_NAN sentence left out this patch is: Reviewed-by: Francisco Jerez <curroje...@riseup.net> > jan > >> buf.as_scalar<cl_device_fp_config>() = >> - CL_FP_DENORM | CL_FP_INF_NAN | CL_FP_ROUND_TO_NEAREST; >> + CL_FP_INF_NAN | CL_FP_ROUND_TO_NEAREST; >> break; >> >> case CL_DEVICE_DOUBLE_FP_CONFIG: > > > -- > Jan Vesely <jan.ves...@rutgers.edu>
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