private bool CreateGpuPrograms(ProgramSet programSet)
{
// Before we start we need to make sure that the pixel shader input
// parameters are the same as the vertex output, this required by
// shader models 4 and 5.
// This change may incrase the number of register used in older shader
// models - this is why the check is present here.
bool isVs4 = GpuProgramManager.Instance.IsSyntaxSupported("vs_4_0");
if (isVs4)
{
SynchronizePixelnToBeVertexOut(programSet);
}
//Grab the matching writer
string language = ShaderGenerator.Instance.TargetLangauge;
ProgramWriter programWriter = null;
if (this.programWritersMap.ContainsKey(language))
{
programWriter = this.programWritersMap[language];
}
else
{
programWriter = ProgramWriterManager.Instance.CreateProgramWriter(language);
this.programWritersMap.Add(language, programWriter);
}
ProgramProcessor programProcessor = null;
if (this.programProcessorMap.ContainsKey(language) == false)
{
throw new AxiomException("Could not find processor for language " + language);
}
programProcessor = this.programProcessorMap[language];
bool success;
//Call the pre creation of GPU programs method
success = programProcessor.PreCreateGpuPrograms(programSet);
if (success == false)
{
return(false);
}
//Create the vertex shader program
GpuProgram vsGpuProgram;
vsGpuProgram = CreateGpuProgram(programSet.CpuVertexProgram, programWriter, language,
ShaderGenerator.Instance.VertexShaderProfiles,
ShaderGenerator.Instance.VertexShaderProfilesList,
ShaderGenerator.Instance.ShaderChachePath);
if (vsGpuProgram == null)
{
return(false);
}
programSet.GpuVertexProgram = vsGpuProgram;
//update flags
programSet.GpuVertexProgram.IsSkeletalAnimationIncluded =
programSet.CpuVertexProgram.SkeletalAnimationIncluded;
//Create the fragment shader program.
GpuProgram psGpuProgram;
psGpuProgram = CreateGpuProgram(programSet.CpuFragmentProgram, programWriter, language,
ShaderGenerator.Instance.FragmentShaderProfiles,
ShaderGenerator.Instance.FragmentShaderProfilesList,
ShaderGenerator.Instance.ShaderChachePath);
if (psGpuProgram == null)
{
return(false);
}
programSet.GpuFragmentProgram = psGpuProgram;
//Call the post creation of GPU programs method.
success = programProcessor.PostCreateGpuPrograms(programSet);
if (success == false)
{
return(false);
}
return(true);
}
