public void SetRenderState(IEffectTechnique technique, int passIndex, RenderState rs)
{
RenderStateRecord[] records;
if (!_map.TryGetValue(technique.Name, out records))
{
records = new RenderStateRecord[technique.Passes.Count];
_map.Add(technique.Name, records);
}
if (passIndex >= 0 && passIndex < records.Length)
{
RenderStateRecord record = records[passIndex];
switch (rs.StateType)
{
case RenderStateType.BlendState:
record.BlendState = rs as BlendState;
break;
case RenderStateType.DepthStencilState:
record.DepthStencilState = rs as DepthStencilState;
break;
case RenderStateType.RasterizerState:
record.RasterizerState = rs as RasterizerState;
break;
}
records[passIndex] = record;
}
else
{
throw new ArgumentOutOfRangeException("Pass index out of range");
}
}
public RenderState GetRenderState(RenderStateType type, String techName, int passIndex)
{
RenderStateRecord[] records;
if (!_map.TryGetValue(techName, out records))
{
return(null);
}
if (passIndex >= 0 && passIndex < records.Length)
{
RenderStateRecord record = records[passIndex];
switch (type)
{
case RenderStateType.BlendState:
return(record.BlendState);
case RenderStateType.DepthStencilState:
return(record.DepthStencilState);
case RenderStateType.RasterizerState:
return(record.RasterizerState);
default:
return(null);
}
}
else
{
throw new ArgumentOutOfRangeException("Pass index out of range");
}
}
public void ApplyRenderStates(IRenderer renderer, int passIndex)
{
if (_activeRecords != null)
{
if (passIndex >= 0 && passIndex < _activeRecords.Length)
{
RenderStateRecord record = _activeRecords[passIndex];
renderer.ApplyRenderState(RenderStateType.BlendState, record.BlendState);
renderer.ApplyRenderState(RenderStateType.DepthStencilState, record.DepthStencilState);
renderer.ApplyRenderState(RenderStateType.RasterizerState, record.RasterizerState);
}
} // fail silently
}