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use crate::api::icd::CLResult;
use crate::api::util::*;
use crate::core::platform::*;
use crate::core::version::*;
use mesa_rust_util::ptr::*;
use rusticl_opencl_gen::*;
impl CLInfo<cl_platform_info> for cl_platform_id {
fn query(&self, q: cl_platform_info, _: &[u8]) -> CLResult<Vec<u8>> {
self.get_ref()?;
Ok(match q {
// TODO spirv
CL_PLATFORM_EXTENSIONS => cl_prop("cl_khr_icd cl_khr_il_program"),
CL_PLATFORM_EXTENSIONS_WITH_VERSION => {
cl_prop::<Vec<cl_name_version>>(PLATFORM_EXTENSIONS.to_vec())
}
CL_PLATFORM_HOST_TIMER_RESOLUTION => cl_prop::<cl_ulong>(0),
CL_PLATFORM_ICD_SUFFIX_KHR => cl_prop("MESA"),
CL_PLATFORM_NAME => cl_prop("rusticl"),
CL_PLATFORM_NUMERIC_VERSION => cl_prop::<cl_version>(CLVersion::Cl3_0 as u32),
CL_PLATFORM_PROFILE => cl_prop("FULL_PROFILE"),
CL_PLATFORM_VENDOR => cl_prop("Mesa/X.org"),
// OpenCL<space><major_version.minor_version><space><platform-specific information>
CL_PLATFORM_VERSION => cl_prop("OpenCL 3.0 "),
// CL_INVALID_VALUE if param_name is not one of the supported values
_ => return Err(CL_INVALID_VALUE),
})
}
}
pub fn get_platform_ids(
num_entries: cl_uint,
platforms: *mut cl_platform_id,
num_platforms: *mut cl_uint,
) -> CLResult<()> {
// CL_INVALID_VALUE if num_entries is equal to zero and platforms is not NULL
if num_entries == 0 && !platforms.is_null() {
return Err(CL_INVALID_VALUE);
}
// or if both num_platforms and platforms are NULL."
if num_platforms.is_null() && platforms.is_null() {
return Err(CL_INVALID_VALUE);
}
// run initialization code once
Platform::init_once();
// platforms returns a list of OpenCL platforms available for access through the Khronos ICD Loader.
// The cl_platform_id values returned in platforms are ICD compatible and can be used to identify a
// specific OpenCL platform. If the platforms argument is NULL, then this argument is ignored. The
// number of OpenCL platforms returned is the minimum of the value specified by num_entries or the
// number of OpenCL platforms available.
platforms.write_checked(Platform::get().as_ptr());
// num_platforms returns the number of OpenCL platforms available. If num_platforms is NULL, then
// this argument is ignored.
num_platforms.write_checked(1);
Ok(())
}
pub fn unload_platform_compiler(platform: cl_platform_id) -> CLResult<()> {
platform.get_ref()?;
// TODO unload the compiler
Ok(())
}
#[test]
fn test_get_platform_info() {
let mut s: usize = 0;
let mut r = get_platform_info(
ptr::null(),
CL_PLATFORM_EXTENSIONS,
0,
ptr::null_mut(),
&mut s,
);
assert!(r.is_ok());
assert!(s > 0);
let mut v: Vec<u8> = vec![0; s];
r = get_platform_info(
ptr::null(),
CL_PLATFORM_EXTENSIONS,
s,
v.as_mut_ptr().cast(),
&mut s,
);
assert!(r.is_ok());
assert_eq!(s, v.len());
assert!(!v[0..s - 2].contains(&0));
assert_eq!(v[s - 1], 0);
}
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