void IShaderCompiler.Compile(string text, string function, ref ShaderHandle result)
{
if(!result.IsValid || result.Reference != this)
{
Compile(text, function, out result);
}
}
public PixelShader Resolve(ShaderHandle shader)
{
if(shader.IsValid && shader.Reference == this)
{
return _Shaders[shader.Index];
}
return null;
}
private void Compile(string text, string function, out ShaderHandle result)
{
Contract.Requires(!String.IsNullOrEmpty(text));
Contract.Requires(!String.IsNullOrEmpty(function));
const ShaderFlags flags = ShaderFlags.OptimizationLevel3;
text = text.Insert(0, PredefinedConstants.ShaderText);
using(var byteCode = ShaderBytecode.Compile(text, function, "ps_4_0", flags))
{
PixelShader shader = new PixelShader(_Device3D, byteCode);
try
{
_Shaders.Add(shader);
}
catch
{
shader.Dispose();
throw;
}
_CachedShaderCount.Value = _Shaders.Count;
}
result = new ShaderHandle(_Shaders.Count - 1, this);
}
public void Compile(string text, string function, ref ShaderHandle result)
{
Contract.Requires(!string.IsNullOrEmpty(text));
Contract.Requires(!string.IsNullOrEmpty(function));
}