diff options
| author | Jan Vesely <[email protected]> | 2017-09-01 17:48:39 -0400 |
|---|---|---|
| committer | Jan Vesely <[email protected]> | 2017-09-18 10:45:02 -0400 |
| commit | fdf0f1db22d1a85abb38131c6f0757eabcdad80a (patch) | |
| tree | 600fc84f0704753869262d3c795d234d55eb3fe0 /src/gallium/state_trackers/clover/api | |
| parent | 7b2c5547c31360c798db00ef4aa2d2f852363bca (diff) | |
clover: Query and export half precision support
v2: PIPE_CAP_HALFS -> PIPE_SHADER_CAP_FP16
has_halfs -> has_halves
Signed-off-by: Jan Vesely <[email protected]>
Reviewed-by: Francisco Jerez <[email protected]>
Diffstat (limited to 'src/gallium/state_trackers/clover/api')
| -rw-r--r-- | src/gallium/state_trackers/clover/api/device.cpp | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/gallium/state_trackers/clover/api/device.cpp b/src/gallium/state_trackers/clover/api/device.cpp index b202102389f..26e88aadc73 100644 --- a/src/gallium/state_trackers/clover/api/device.cpp +++ b/src/gallium/state_trackers/clover/api/device.cpp @@ -150,7 +150,7 @@ clGetDeviceInfo(cl_device_id d_dev, cl_device_info param, break; case CL_DEVICE_PREFERRED_VECTOR_WIDTH_HALF: - buf.as_scalar<cl_uint>() = 0; + buf.as_scalar<cl_uint>() = dev.has_halves() ? 8 : 0; break; case CL_DEVICE_MAX_CLOCK_FREQUENCY: @@ -213,6 +213,13 @@ clGetDeviceInfo(cl_device_id d_dev, cl_device_info param, buf.as_scalar<cl_uint>() = 128; break; + case CL_DEVICE_HALF_FP_CONFIG: + // This is the "mandated minimum half precision floating-point + // capability" for OpenCL 1.x. + buf.as_scalar<cl_device_fp_config>() = + CL_FP_INF_NAN | CL_FP_ROUND_TO_NEAREST; + 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 @@ -329,7 +336,8 @@ clGetDeviceInfo(cl_device_id d_dev, cl_device_info param, " cl_khr_local_int32_base_atomics" " cl_khr_local_int32_extended_atomics" " cl_khr_byte_addressable_store" - + std::string(dev.has_doubles() ? " cl_khr_fp64" : ""); + + std::string(dev.has_doubles() ? " cl_khr_fp64" : "") + + std::string(dev.has_halves() ? " cl_khr_fp16" : ""); break; case CL_DEVICE_PLATFORM: @@ -365,7 +373,7 @@ clGetDeviceInfo(cl_device_id d_dev, cl_device_info param, break; case CL_DEVICE_NATIVE_VECTOR_WIDTH_HALF: - buf.as_scalar<cl_uint>() = 0; + buf.as_scalar<cl_uint>() = dev.has_halves() ? 8 : 0; break; case CL_DEVICE_OPENCL_C_VERSION: |