Mesa (master): clover: Return the minimum required value for CL_DEVICE_SINGLE_FP_CONFIG v2

[Tom Stellard]

Module: Mesa
Branch: master
Commit: a646b00cfc42fecdf4f853a6fe3ddf12d7801881
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=a646b00cfc42fecdf4f853a6fe3ddf12d7801881

Author: Tom Stellard <thomas.stellard at amd.com>
Date:   Thu Mar  5 14:30:57 2015 +0000

clover: Return the minimum required value for CL_DEVICE_SINGLE_FP_CONFIG v2

This means dropping CL_FP_DENORM from the current return value.

v2:
  - Add comments about minimum values for OpenCL 1.2.

Reviewed-by: Francisco Jerez <currojerez at riseup.net>
Reviewed-by: Jan Vesely <jan.vesely at rutgers.edu>

---

 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..5d1f4ab 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, nothing is required for
+      // custom devices.
       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: