public void ExecuteRenderQueue(RenderContext renderContext)
{
if (mRenderEntries.Count == 0)
{
return;
}
mRenderEntries.Sort(mEntryComparer);
// Prime the previousEntry variable:
RenderEntry previousEntry = mRenderEntries[0];
GraphicsDevice gd = SharedResources.Game.GraphicsDevice;
gd.BlendState = previousEntry.Material.BlendState;
gd.DepthStencilState = previousEntry.Material.DepthStencilState;
gd.RasterizerState = previousEntry.Material.RasterizerState;
gd.SetVertexBuffer(previousEntry.DrawNode.VertexBuffer);
gd.Indices = previousEntry.DrawNode.IndexBuffer;
for (int i = 0; i < mRenderEntries.Count; ++i)
{
if (previousEntry.Material.BlendState != mRenderEntries[i].Material.BlendState)
{
gd.BlendState = mRenderEntries[i].Material.BlendState;
}
if (previousEntry.Material.DepthStencilState != mRenderEntries[i].Material.DepthStencilState)
{
gd.DepthStencilState = mRenderEntries[i].Material.DepthStencilState;
}
if (previousEntry.Material.RasterizerState != mRenderEntries[i].Material.RasterizerState)
{
gd.RasterizerState = mRenderEntries[i].Material.RasterizerState;
}
if (previousEntry.DrawNode.VertexBuffer != mRenderEntries[i].DrawNode.VertexBuffer)
{
gd.SetVertexBuffer(mRenderEntries[i].DrawNode.VertexBuffer);
}
if (previousEntry.DrawNode.IndexBuffer != mRenderEntries[i].DrawNode.IndexBuffer)
{
gd.Indices = mRenderEntries[i].DrawNode.IndexBuffer;
}
mRenderEntries[i].DrawNode.Draw(renderContext, mRenderEntries[i].Material, mRenderEntries[i].Transform);
previousEntry = mRenderEntries[i];
}
mRenderEntries.Clear();
SharedResources.GraphicsDeviceReady = !SharedResources.GraphicsDeviceResetting;
}
public void AcceptForRender(GeometryNode drawNode, EffectApplication material)
{
RenderEntry newEntry = new RenderEntry(drawNode, material);
if (material.UseAlphaPass)
{
Vector3 homogeneousClipSpacePos = Vector3.Transform(Transform.Top.Translation, VisibilityFrustum.Matrix);
newEntry.SceneDepth = -homogeneousClipSpacePos.Z; // Negate because we want to sort far-to-near.
}
newEntry.Transform = Transform.Top;
mRenderEntries.Add(newEntry);
}