public static MyOcclusionQuery Get()
{
MyOcclusionQuery query = null;
if (m_queriesStack.Count > 0)
{
query = m_queriesStack.Pop();
}
else
{
query = MyOcclusionQuery.CreateQuery();
if (query == null)
{
Debug.Fail("OcclusionQuery cannot be null!");
return(null);
}
query.LoadContent(m_device);
m_existingQueries.Add(query);
}
System.Diagnostics.Debug.Assert(!m_queriesStack.Contains(query));
return(query);
}
public override void UnloadContent()
{
m_glare.UnloadContent();
if (SpotQuery != null)
{
MyOcclusionQueries.Return(SpotQuery);
SpotQuery = null;
}
base.UnloadContent();
}
public override void LoadContent()
{
if (m_glare == null)
{
m_glare = new MyLightGlare(this);
}
m_glare.LoadContent();
SpotQuery = MyOcclusionQueries.Get();
SpotQueryState = QueryState.IssueOcc;
base.LoadContent();
}
public override void LoadContent()
{
base.LoadContent();
for (int i = 0; i < Enum.GetValues(typeof(MyOcclusionQueryID)).Length; i++)
{
MyOcclusionQuery occlusionQuery = MyOcclusionQueries.Get();
m_queries[i].OcclusionQueryIssued = false;
m_queries[i].OcclusionQueryVisible = true;
System.Diagnostics.Debug.Assert(m_queries[i].OcclusionQuery == null);
m_queries[i].OcclusionQuery = occlusionQuery;
}
}
private static void IssueOcclusionQuery(MyOcclusionQuery query, bool depthTest)
{
MyRender.GetRenderProfiler().StartProfilingBlock("IssueOcclusionQuery");
BlendState previousBlendState = BlendState.Current;
MyStateObjects.DisabledColorChannels_BlendState.Apply();
RasterizerState.CullNone.Apply();
DepthStencilState.None.Apply();
query.Begin();
//generate and draw bounding box of our renderCell in occlusion query
MyDebugDraw.DrawOcclusionBoundingBox(m_occlusionBox, 1.0f, depthTest, true);
query.End();
previousBlendState.Apply();
MyRender.GetRenderProfiler().EndProfilingBlock();
}
public override void UnloadContent()
{
m_glare.UnloadContent();
if (SpotQuery != null)
{
MyOcclusionQueries.Return(SpotQuery);
SpotQuery = null;
}
base.UnloadContent();
}
public override void LoadContent()
{
if (m_glare == null)
m_glare = new MyLightGlare(this);
m_glare.LoadContent();
SpotQuery = MyOcclusionQueries.Get();
SpotQueryState = QueryState.IssueOcc;
base.LoadContent();
}
public static void Return(MyOcclusionQuery query)
{
System.Diagnostics.Debug.Assert(!m_queriesStack.Contains(query));
m_queriesStack.Push(query);
}
private static void IssueOcclusionQuery(MyOcclusionQuery query, bool depthTest)
{
MyRender.GetRenderProfiler().StartProfilingBlock("IssueOcclusionQuery");
BlendState previousBlendState = BlendState.Current;
MyStateObjects.DisabledColorChannels_BlendState.Apply();
RasterizerState.CullNone.Apply();
DepthStencilState.None.Apply();
query.Begin();
//generate and draw bounding box of our renderCell in occlusion query
MyDebugDraw.DrawOcclusionBoundingBox(m_occlusionBox, 1.0f, depthTest, true);
query.End();
previousBlendState.Apply();
MyRender.GetRenderProfiler().EndProfilingBlock();
}
internal static void RelaseOcclusionQuery(MyOcclusionQuery q)
{
m_pool.Add(q);
}
public static void Return(MyOcclusionQuery query)
{
System.Diagnostics.Debug.Assert(!m_queriesStack.Contains(query));
m_queriesStack.Push(query);
}
