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rusticl/device: improve advertisement of fp64 support

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Enabling fp64 support makes rarely sense, but in case we do claim it, we
should also tell if it's a pure software implementation.

Signed-off-by: Karol Herbst <kherbst@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22649>
This commit is contained in:
Karol Herbst 2023-04-24 12:54:59 +02:00 • committed by Marge Bot
parent b82004d960
commit 400847a990
2 changed files with 22 additions and 12 deletions
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21
src/gallium/frontends/rusticl/api/device.rs
View file

@ -45,18 +45,23 @@ impl CLInfo<cl_device_info> for cl_device_id {
CL_DEVICE_DEVICE_ENQUEUE_CAPABILITIES => { CL_DEVICE_DEVICE_ENQUEUE_CAPABILITIES => {
cl_prop::<cl_device_device_enqueue_capabilities>(0) cl_prop::<cl_device_device_enqueue_capabilities>(0)
} }
CL_DEVICE_DOUBLE_FP_CONFIG => { CL_DEVICE_DOUBLE_FP_CONFIG => cl_prop::<cl_device_fp_config>(
cl_prop::<cl_device_fp_config>(if dev.doubles_supported() { if dev.doubles_supported() {
(CL_FP_FMA let mut fp64_config = CL_FP_FMA
| CL_FP_ROUND_TO_NEAREST | CL_FP_ROUND_TO_NEAREST
| CL_FP_ROUND_TO_ZERO | CL_FP_ROUND_TO_ZERO
| CL_FP_ROUND_TO_INF | CL_FP_ROUND_TO_INF
| CL_FP_INF_NAN | CL_FP_INF_NAN
| CL_FP_DENORM) as cl_device_fp_config | CL_FP_DENORM;
if dev.doubles_is_softfp() {
fp64_config |= CL_FP_SOFT_FLOAT;
}
fp64_config
} else { } else {
0 0
}) }
} .into(),
),
CL_DEVICE_ENDIAN_LITTLE => cl_prop::<bool>(dev.little_endian()), CL_DEVICE_ENDIAN_LITTLE => cl_prop::<bool>(dev.little_endian()),
CL_DEVICE_ERROR_CORRECTION_SUPPORT => cl_prop::<bool>(false), CL_DEVICE_ERROR_CORRECTION_SUPPORT => cl_prop::<bool>(false),
CL_DEVICE_EXECUTION_CAPABILITIES => { CL_DEVICE_EXECUTION_CAPABILITIES => {
@ -125,7 +130,9 @@ impl CLInfo<cl_device_info> for cl_device_id {
} }
CL_DEVICE_NAME => cl_prop(dev.screen().name()), CL_DEVICE_NAME => cl_prop(dev.screen().name()),
CL_DEVICE_NATIVE_VECTOR_WIDTH_CHAR => cl_prop::<cl_uint>(1), CL_DEVICE_NATIVE_VECTOR_WIDTH_CHAR => cl_prop::<cl_uint>(1),
CL_DEVICE_NATIVE_VECTOR_WIDTH_DOUBLE => cl_prop::<cl_uint>(0), CL_DEVICE_NATIVE_VECTOR_WIDTH_DOUBLE => {
cl_prop::<cl_uint>(if dev.doubles_supported() { 1 } else { 0 })
}
CL_DEVICE_NATIVE_VECTOR_WIDTH_FLOAT => cl_prop::<cl_uint>(1), CL_DEVICE_NATIVE_VECTOR_WIDTH_FLOAT => cl_prop::<cl_uint>(1),
CL_DEVICE_NATIVE_VECTOR_WIDTH_HALF => cl_prop::<cl_uint>(0), CL_DEVICE_NATIVE_VECTOR_WIDTH_HALF => cl_prop::<cl_uint>(0),
CL_DEVICE_NATIVE_VECTOR_WIDTH_INT => cl_prop::<cl_uint>(1), CL_DEVICE_NATIVE_VECTOR_WIDTH_INT => cl_prop::<cl_uint>(1),

13
src/gallium/frontends/rusticl/core/device.rs
View file

@ -584,17 +584,20 @@ impl Device {
pub fn doubles_supported(&self) -> bool { pub fn doubles_supported(&self) -> bool {
false false
/* /*
if self.screen.param(pipe_cap::PIPE_CAP_DOUBLES) == 0 {
return false; self.screen.param(pipe_cap::PIPE_CAP_DOUBLES) == 1
} */
}
pub fn doubles_is_softfp(&self) -> bool {
let nir_options = self let nir_options = self
.screen .screen
.nir_shader_compiler_options(pipe_shader_type::PIPE_SHADER_COMPUTE); .nir_shader_compiler_options(pipe_shader_type::PIPE_SHADER_COMPUTE);
!bit_check(
bit_check(
unsafe { *nir_options }.lower_doubles_options as u32, unsafe { *nir_options }.lower_doubles_options as u32,
nir_lower_doubles_options::nir_lower_fp64_full_software as u32, nir_lower_doubles_options::nir_lower_fp64_full_software as u32,
) )
*/
} }
pub fn long_supported(&self) -> bool { pub fn long_supported(&self) -> bool {