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{$mode objfpc}
uses
cl;
const
device_str_info : array[1..5] of record id : dword; name : pchar end =
((id: CL_DEVICE_NAME; name : 'CL_DEVICE_NAME'),
(id: CL_DEVICE_VENDOR; name : 'CL_DEVICE_VENDOR'),
(id: CL_DEVICE_VERSION; name : 'CL_DEVICE_VERSION'),
(id: CL_DEVICE_PROFILE; name : 'CL_DEVICE_PROFILE'),
(id: CL_DEVICE_EXTENSIONS; name : 'CL_DEVICE_EXTENSIONS'));
var
err : Integer; // error code returned from api calls
platformids : pcl_platform_id;
platforms : cl_uint;
devices : cl_uint;
deviceids : pcl_device_id;
i,j,k : Integer;
buf : array[0..99999] of char;
bufwritten : LongWord;
begin
err:=clGetPlatformIDs(0,nil,@platforms);
if (err <> CL_SUCCESS) then
begin
writeln('Error: Cannot get number of platforms!');
Halt(1);
end;
getmem(platformids,platforms*sizeof(cl_platform_id));
err:=clGetPlatformIDs(platforms,platformids,nil);
if (err <> CL_SUCCESS) then
begin
writeln('Error: Cannot get platforms!');
Halt(1);
end;
writeln(platforms,' platform(s) found');
for i:=0 to platforms-1 do
begin
writeln('Platform info ',i);
err:=clGetPlatformInfo(platformids[i],CL_PLATFORM_PROFILE,sizeof(buf),@buf,bufwritten);
writeln('PROFILE: ',buf);
err:=clGetPlatformInfo(platformids[i],CL_PLATFORM_VERSION,sizeof(buf),@buf,bufwritten);
writeln('VERSION: ',buf);
err:=clGetPlatformInfo(platformids[i],CL_PLATFORM_NAME,sizeof(buf),@buf,bufwritten);
writeln('NAME: ',buf);
err:=clGetPlatformInfo(platformids[i],CL_PLATFORM_VENDOR,sizeof(buf),@buf,bufwritten);
writeln('VENDOR: ',buf);
err:=clGetPlatformInfo(platformids[i],CL_PLATFORM_EXTENSIONS,sizeof(buf),@buf,bufwritten);
writeln('EXTENSIONS: ',buf);
err:=clGetDeviceIDs(platformids[i],CL_DEVICE_TYPE_ALL,0,nil,@devices);
if (err <> CL_SUCCESS) then
begin
writeln('Error: Cannot get number of devices!');
Halt(1);
end;
writeln(devices,' device(s) found');
getmem(deviceids,devices*sizeof(cl_device_id));
err:=clGetDeviceIDs(platformids[i],CL_DEVICE_TYPE_ALL,devices,deviceids,nil);
for j:=0 to devices-1 do
begin
writeln('Device info ',j);
for k:=low(device_str_info) to high(device_str_info) do
begin
err:=clGetDeviceInfo(deviceids[j],device_str_info[k].id,sizeof(buf),@buf,bufwritten);
writeln(device_str_info[k].name,': ',buf);
end;
err:=clGetDeviceInfo(deviceids[j],CL_DEVICE_MAX_COMPUTE_UNITS,sizeof(buf),@buf,bufwritten);
writeln('CL_DEVICE_MAX_COMPUTE_UNITS: ',pdword(@buf)^);
err:=clGetDeviceInfo(deviceids[j],CL_DEVICE_IMAGE3D_MAX_WIDTH,sizeof(buf),@buf,bufwritten);
writeln('CL_DEVICE_IMAGE3D_MAX_WIDTH: ',pdword(@buf)^);
err:=clGetDeviceInfo(deviceids[j],CL_DEVICE_IMAGE3D_MAX_HEIGHT,sizeof(buf),@buf,bufwritten);
writeln('CL_DEVICE_IMAGE3D_MAX_HEIGHT: ',pdword(@buf)^);
err:=clGetDeviceInfo(deviceids[j],CL_DEVICE_GLOBAL_MEM_SIZE,sizeof(buf),@buf,bufwritten);
writeln('CL_DEVICE_GLOBAL_MEM_SIZE: ',pdword(@buf)^);
end;
end;
freemem(platformids);
end.
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