public DeviceResourceContext(GraphicsDevice device, Effect effect, VertexDeclaration declaration, ResourceBufferInfo resourceBufferInfo, int indexStructSize)
{
var vertexSize = declaration.CalculateSize();
VertexCount = resourceBufferInfo.VertexCount;
IndexCount = resourceBufferInfo.IndexCount;
IsIndexBufferDynamic = resourceBufferInfo.IsIndexBufferDynamic;
VertexBuffer = Buffer.Vertex.New(device, VertexCount * vertexSize, GraphicsResourceUsage.Dynamic).DisposeBy(this);
if (IsIndexBufferDynamic)
{
IndexBuffer = Buffer.Index.New(device, IndexCount * indexStructSize, GraphicsResourceUsage.Dynamic).DisposeBy(this);
}
else
{
IndexBuffer = Buffer.Index.New(device, resourceBufferInfo.StaticIndices).DisposeBy(this);
IndexBuffer.Reload = graphicsResource => ((Buffer)graphicsResource).Recreate(resourceBufferInfo.StaticIndices);
}
var indexBufferBinding = new IndexBufferBinding(IndexBuffer, indexStructSize == sizeof(int), IndexBuffer.Description.SizeInBytes / indexStructSize);
var vertexBufferBinding = new VertexBufferBinding(VertexBuffer, declaration, VertexCount, vertexSize);
// Creates a VAO
VertexArrayObject = VertexArrayObject.New(device, effect.InputSignature, indexBufferBinding, vertexBufferBinding).DisposeBy(this);
}
protected BatchBase(GraphicsDevice device, Shaders.EffectBytecode defaultEffectByteCode, ResourceBufferInfo resourceBufferInfo, VertexDeclaration vertexDeclaration, int indexSize = sizeof(short))
{
if (resourceBufferInfo == null)
{
throw new ArgumentNullException("resourceBufferInfo");
}
if (vertexDeclaration == null)
{
throw new ArgumentNullException("vertexDeclaration");
}
GraphicsDevice = device;
DefaultEffect = new Effect(device, defaultEffectByteCode)
{
Name = "BatchDefaultEffect"
};
drawsQueue = new ElementInfo[resourceBufferInfo.BatchCapacity];
drawTextures = new DrawTextures[resourceBufferInfo.BatchCapacity];
TextureComparer = new TextureIdComparer();
BackToFrontComparer = new SpriteBackToFrontComparer();
FrontToBackComparer = new SpriteFrontToBackComparer();
// set the vertex layout and size
indexStructSize = indexSize;
this.vertexDeclaration = vertexDeclaration;
vertexStructSize = vertexDeclaration.CalculateSize();
parameters = new ParameterCollection();
// Creates the vertex buffer (shared by within a device context).
ResourceContext = GraphicsDevice.GetOrCreateSharedData(GraphicsDeviceSharedDataType.PerContext, resourceBufferInfo.ResourceKey, () => new DeviceResourceContext(GraphicsDevice, DefaultEffect, vertexDeclaration, resourceBufferInfo, indexStructSize));
}
