+ basic info program

git-svn-id: trunk@14878 -

.gitattributes

@@ -4528,6 +4528,7 @@ packages/openal/src/openal.pas svneol=native#text/plain
 packages/opencl/Makefile svneol=native#text/plain
 packages/opencl/Makefile.fpc svneol=native#text/plain
 packages/opencl/examples/basicsample.pas svneol=native#text/pascal
+packages/opencl/examples/clinfo.pp svneol=native#text/pascal
 packages/opencl/fpmake.pp svneol=native#text/pascal
 packages/opencl/src/cl.pp svneol=native#text/pascal
 packages/opencl/src/cl_gl.pp svneol=native#text/pascal

packages/opencl/examples/clinfo.pp

@@ -0,0 +1,83 @@
+{$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.