/// <summary>
/// Internal constructor.
/// </summary>
internal CgProgramFactory()
{
// create the Cg context
cgContext = Cg.cgCreateContext();
CgHelper.CheckCgError("Error creating Cg context.", cgContext);
}
/// <summary>
/// Unloads the Cg program.
/// </summary>
protected override void UnloadHighLevelImpl()
{
// destroy this program if it had been loaded
if (cgProgram != IntPtr.Zero)
{
Cg.cgDestroyProgram(cgProgram);
CgHelper.CheckCgError(string.Format("Error unloading CgProgram named '{0}'", this.name), cgContext);
cgProgram = IntPtr.Zero;
}
}
protected void CompileMicrocode()
{
// Create Cg Program
if (this.selectedCgProfile == Cg.CG_PROFILE_UNKNOWN)
{
LogManager.Instance.Write("Attempted to load Cg program '" + _name + "', but no suported profile was found. ");
return;
}
BuildArgs();
// deal with includes
String sourceToUse = ResolveCgIncludes(source, this, fileName);
var cgProgram = Cg.cgCreateProgram(this.cgContext, Cg.CG_SOURCE, sourceToUse, this.selectedCgProfile, this.entry, this.cgArguments);
// Test
//LogManager::getSingleton().logMessage(cgGetProgramString(mCgProgram, CG_COMPILED_PROGRAM));
// Check for errors
CgHelper.CheckCgError("Unable to compile Cg program " + _name + ": ", this.cgContext);
var error = Cg.cgGetError();
if (error == Cg.CG_NO_ERROR)
{
// get program string (result of cg compile)
this.programString = Cg.cgGetProgramString(cgProgram, Cg.CG_COMPILED_PROGRAM);
// get params
this.parametersMap.Clear();
RecurseParams(Cg.cgGetFirstParameter(cgProgram, Cg.CG_PROGRAM));
RecurseParams(Cg.cgGetFirstParameter(cgProgram, Cg.CG_GLOBAL));
// Unload Cg Program - we don't need it anymore
Cg.cgDestroyProgram(cgProgram);
CgHelper.CheckCgError("Error while unloading Cg program " + _name + ": ", this.cgContext);
cgProgram = IntPtr.Zero;
/*
* if ( GpuProgramManager.Instance.SaveMicrocodesToCache )
* {
* AddMicrocodeToCache();
* }*/
}
}
protected void SelectProfile()
{
selectedProfile = "";
selectedCgProfile = Cg.CG_PROFILE_UNKNOWN;
for (int i = 0; i < profiles.Length; i++)
{
if (GpuProgramManager.Instance.IsSyntaxSupported(profiles[i]))
{
selectedProfile = profiles[i];
selectedCgProfile = Cg.cgGetProfile(selectedProfile);
CgHelper.CheckCgError("Unable to find Cg profile enum for program " + name, cgContext);
break;
}
}
}
protected void SelectProfile()
{
this.selectedProfile = "";
this.selectedCgProfile = Cg.CG_PROFILE_UNKNOWN;
if (this.profiles != null)
{
foreach (var i in this.profiles)
{
if (GpuProgramManager.Instance.IsSyntaxSupported(i))
{
this.selectedProfile = i;
this.selectedCgProfile = Cg.cgGetProfile(this.selectedProfile);
CgHelper.CheckCgError("Unable to find Cg profile enum for program " + Name, this.cgContext);
break;
}
}
}
}
/// <summary>
///
/// </summary>
protected override void LoadFromSource()
{
SelectProfile();
string[] args = null;
// This option causes an error with the CG 1.3 compiler
if (selectedCgProfile == Cg.CG_PROFILE_VS_1_1)
{
args = new string[] { "-profileopts", "dcls", null };
}
// create the Cg program
cgProgram = Cg.cgCreateProgram(cgContext, Cg.CG_SOURCE, source, selectedCgProfile, entry, args);
string cgErrStr = CgHelper.FormatCgError("Unable to compile Cg program " + name, cgContext);
if (cgErrStr != null)
{
LogManager.Instance.Write("Unable to compile CG program {0}:\n{1}", name, cgErrStr);
CgHelper.CheckCgError("Unable to compile Cg program " + name, cgContext);
}
}