public static void PrintGPUInfo()
{
string versionOpenGL = GL.GetString(StringName.Version);
Console.Out.WriteLine("GL version:" + versionOpenGL);
int[] work_grp_cnt = new int[3];
int[] work_grp_size = new int[3];
int maxComputeWorkGroupInvocations;
#if __WINDOWS__
int version;
GL.GetInteger(GetPName.MajorVersion, out version);
if (version < 4)
{
throw new NotSupportedException("You need at least OpenGL 4 to run on Desktop!");
}
GetIndexedPName maxWorkGroupCount = (GetIndexedPName)All.MaxComputeWorkGroupCount;
GL.GetInteger(maxWorkGroupCount, 0, out work_grp_cnt[0]);
GL.GetInteger(maxWorkGroupCount, 1, out work_grp_cnt[1]);
GL.GetInteger(maxWorkGroupCount, 2, out work_grp_cnt[2]);
GetIndexedPName maxComputeGroupSize = (GetIndexedPName)All.MaxComputeWorkGroupSize;
GL.GetInteger(maxComputeGroupSize, 0, out work_grp_size[0]);
GL.GetInteger(maxComputeGroupSize, 1, out work_grp_size[1]);
GL.GetInteger(maxComputeGroupSize, 2, out work_grp_size[2]);
GL.GetInteger((GetPName)All.MaxComputeWorkGroupInvocations, out maxComputeWorkGroupInvocations);
#else
/* According to Quallcomm docs:
*
* GL_MAX_COMPUTE_WORK_GROUP_COUNT is guaranteed that the limit will not be less than 65535 in any of the
* three dimensions.
*
* GL_MAX_COMPUTE_WORK_GROUP_SIZE The maximum size is guaranteed to be at least 128 in the case of the x and y
* dimensions, and 64 in the case of z
*
* GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS is guaranteed to be no lower than 128.
*/
OpenTK.Graphics.ES31.GL.GetInteger(OpenTK.Graphics.ES31.All.MaxComputeWorkGroupCount, 0, out work_grp_cnt[0]);
OpenTK.Graphics.ES31.GL.GetInteger(OpenTK.Graphics.ES31.All.MaxComputeWorkGroupCount, 1, out work_grp_cnt[1]);
OpenTK.Graphics.ES31.GL.GetInteger(OpenTK.Graphics.ES31.All.MaxComputeWorkGroupCount, 2, out work_grp_cnt[2]);
OpenTK.Graphics.ES31.GL.GetInteger(OpenTK.Graphics.ES31.All.MaxComputeWorkGroupSize, 0, out work_grp_size[0]);
OpenTK.Graphics.ES31.GL.GetInteger(OpenTK.Graphics.ES31.All.MaxComputeWorkGroupSize, 1, out work_grp_size[1]);
OpenTK.Graphics.ES31.GL.GetInteger(OpenTK.Graphics.ES31.All.MaxComputeWorkGroupSize, 2, out work_grp_size[2]);
OpenTK.Graphics.ES31.GL.GetInteger(OpenTK.Graphics.ES31.All.MaxComputeWorkGroupInvocations, out maxComputeWorkGroupInvocations);
#endif
Console.Out.WriteLine("max global (total) work group size " + string.Join(",", work_grp_cnt));
Console.Out.WriteLine("max local (in one shader) work group sizes " + string.Join(",", work_grp_size));
Console.Out.WriteLine("max total local workgroup elements " + maxComputeWorkGroupInvocations);
}
internal static int GetInt32(GetIndexedPName pname, int index)
{
int result;
try {
using (Lock())
GL.GetInteger(pname, index, out result);
} catch (Exception exception) {
throw new InvalidOperationException("Exception thrown with GetInt32(GetIndexedPName." + pname + ")", exception);
}
return(result);
}
internal static Vector3i GetVector3i(GetIndexedPName pname)
{
Vector3i result;
using (Lock()) {
GL.GetInteger(pname, 0, out result.X);
GL.GetInteger(pname, 1, out result.Y);
GL.GetInteger(pname, 2, out result.Z);
}
return result;
}
internal static int GetInt32(GetIndexedPName pname, int index)
{
int result;
try {
using (Lock())
GL.GetInteger(pname, index, out result);
} catch (Exception exception) {
throw new InvalidOperationException("Exception thrown with GetInt32(GetIndexedPName." + pname + ")", exception);
}
return result;
}
