private VertexArrayObject GetOrCreateVertexArrayObjectAEN(RenderContext context)
{
if (vertexArrayObjectAEN == null)
{
var graphicsDevice = context.GraphicsDevice;
var indicesAEN = IndexExtensions.GenerateIndexBufferAEN(Mesh.Draw.IndexBuffer, Mesh.Draw.VertexBuffers[0]);
var indexBufferBinding = new IndexBufferBinding(Buffer.Index.New(graphicsDevice, indicesAEN), true, Mesh.Draw.IndexBuffer.Count * 12 / 3);
vertexArrayObjectAEN = VertexArrayObject.New(context.GraphicsDevice, Effect.InputSignature, indexBufferBinding, Mesh.Draw.VertexBuffers);
}
return vertexArrayObjectAEN;
}
internal void Initialize(GraphicsDevice device)
{
vertexArrayObject = VertexArrayObject.New(device, Effect.InputSignature, Mesh.Draw.IndexBuffer, Mesh.Draw.VertexBuffers);
}
/// <summary>
/// Sets a vertex array object.
/// </summary>
/// <param name="vertexArrayObject">The vertex array object.</param>
public void SetVertexArrayObject(VertexArrayObject vertexArrayObject)
{
throw new NotImplementedException();
}
public SharedData(GraphicsDevice device, EffectInputSignature defaultSignature)
{
var vertexBuffer = Buffer.Vertex.New(device, QuadsVertices).DisposeBy(this);
// Register reload
vertexBuffer.Reload = (graphicsResource) => ((Buffer)graphicsResource).Recreate(QuadsVertices);
VertexBuffer = VertexArrayObject.New(device, defaultSignature, new VertexBufferBinding(vertexBuffer, VertexPositionNormalTexture.Layout, QuadsVertices.Length, VertexPositionNormalTexture.Size)).DisposeBy(this);
}
public override void Dispose()
{
if (vertexArrayObject != null)
{
vertexArrayObject.Dispose();
vertexArrayObject = null;
}
if (vertexArrayObjectAEN != null)
{
vertexArrayObjectAEN.Dispose();
vertexArrayObjectAEN = null;
}
}
/// <summary>
/// Prepares a draw call. This method is called before each Draw() method to setup the correct Primitive, InputLayout and VertexBuffers.
/// </summary>
/// <param name="primitiveType">Type of the primitive.</param>
/// <exception cref="System.InvalidOperationException">Cannot GraphicsDevice.Draw*() without an effect being previously applied with Effect.Apply() method</exception>
private void PrepareDraw(PrimitiveType primitiveType)
{
if (CurrentEffect == null)
{
throw new InvalidOperationException("Cannot GraphicsDevice.Draw*() without an effect being previously applied with Effect.Apply() method");
}
// Setup the primitive type
PrimitiveType = primitiveType;
// If the vertex array object is null, simply set the InputLayout to null
if (newVertexArrayObject == null)
{
if (currentVertexArrayObject != null)
{
currentVertexArrayObject = null;
currentVertexArrayLayout = null;
currentEffectInputSignature = null;
inputAssembler.InputLayout = currentInputLayout = null;
}
}
else
{
var newVertexArrayLayout = newVertexArrayObject.Layout;
var newEffectInputSignature = CurrentEffect.InputSignature;
var oldInputLayout = currentInputLayout;
// Apply the VertexArrayObject
if (newVertexArrayObject != currentVertexArrayObject)
{
currentVertexArrayObject = newVertexArrayObject;
newVertexArrayObject.Apply(inputAssembler);
}
// If the input layout of the effect or the vertex buffer has changed, get the associated new input layout
if (!ReferenceEquals(newVertexArrayLayout, currentVertexArrayLayout) || !ReferenceEquals(newEffectInputSignature, currentEffectInputSignature))
{
currentVertexArrayLayout = newVertexArrayLayout;
currentEffectInputSignature = newEffectInputSignature;
if (newVertexArrayObject.InputLayout != null && ReferenceEquals(newEffectInputSignature, newVertexArrayObject.EffectInputSignature))
{
// Default configuration
currentInputLayout = newVertexArrayObject.InputLayout;
}
else if (ReferenceEquals(newEffectInputSignature, newVertexArrayObject.LastEffectInputSignature))
{
// Reuse previous configuration
currentInputLayout = newVertexArrayObject.LastInputLayout;
}
// Slow path if the current VertexArrayObject is not optimized for the particular input (or not used right before)
else
{
currentInputLayout = InputLayoutManager.GetInputLayout(newEffectInputSignature, currentVertexArrayLayout);
// Store it in VAO since it will likely be used with same effect later
newVertexArrayObject.LastInputLayout = currentInputLayout;
newVertexArrayObject.LastEffectInputSignature = newEffectInputSignature;
}
// Setup the input layout (if it changed)
if (currentInputLayout != oldInputLayout)
inputAssembler.InputLayout = currentInputLayout;
}
}
SetViewportImpl();
}
private void ReleaseDevice()
{
// Display D3D11 ref counting info
ClearState();
NativeDevice.ImmediateContext.Flush();
NativeDevice.ImmediateContext.Dispose();
if (IsDebugMode)
{
var deviceDebug = new DeviceDebug(NativeDevice);
deviceDebug.ReportLiveDeviceObjects(ReportingLevel.Detail);
}
currentInputLayout = null;
currentEffectInputSignature = null;
currentVertexArrayObject = null;
currentVertexArrayLayout = null;
nativeDevice.Dispose();
}
/// <summary>
/// Sets the vertex array object.
/// </summary>
/// <param name="vertexArrayObject">The vertex array object.</param>
public void SetVertexArrayObject(VertexArrayObject vertexArrayObject)
{
newVertexArrayObject = vertexArrayObject;
}
private void ClearStateImpl()
{
NativeDeviceContext.ClearState();
for (int i = 0; i < samplerStates.Length; ++i)
samplerStates[i] = null;
for (int i = 0; i < constantBuffers.Length; ++i)
constantBuffers[i] = null;
for (int i = 0; i < unorderedAccessViews.Length; ++i)
unorderedAccessViews[i] = null;
for (int i = 0; i < currentRenderTargetViews.Length; i++)
currentRenderTargetViews[i] = null;
currentEffectInputSignature = null;
currentVertexArrayLayout = null;
currentInputLayout = null;
currentVertexArrayObject = null;
CurrentEffect = null;
}