/// <summary>
/// Creates a new instance of <see cref="D3D10IndexBufferImplementation"/>.
/// </summary>
/// <param name="renderer">The D3D renderer.</param>
/// <param name="format">The index format.</param>
/// <param name="indexCount">The number of indices.</param>
/// <param name="usage">The buffer usage specifying what type of memory the buffer should be created in.</param>
internal D3D10IndexBufferImplementation(D3D10Renderer renderer, IndexFormat format, int indexCount, ResourceUsage usage)
: base(format, indexCount, usage)
{
_renderer = renderer;
_graphicsDevice = _renderer.GraphicsDevice;
int formatBytes = (format == IndexFormat.ThirtyTwoBits) ? 4 : 2;
try {
//Determine appropiate vertex buffer to create
if (usage == ResourceUsage.Static)
{
D3D.ResourceUsage rUsage = D3D.ResourceUsage.Default;
D3D.CpuAccessFlags cpuAccess = D3D.CpuAccessFlags.None;
_buffer = new D3D.Buffer(_graphicsDevice, new D3D.BufferDescription(indexCount * formatBytes, rUsage, D3D.BindFlags.IndexBuffer, cpuAccess, D3D.ResourceOptionFlags.None));
}
else if (usage == ResourceUsage.Dynamic)
{
D3D.ResourceUsage rUsage = D3D.ResourceUsage.Dynamic;
D3D.CpuAccessFlags cpuAccess = D3D.CpuAccessFlags.Write;
_buffer = new D3D.Buffer(_graphicsDevice, new D3D.BufferDescription(indexCount * formatBytes, rUsage, D3D.BindFlags.IndexBuffer, cpuAccess, D3D.ResourceOptionFlags.None));
}
//Add to tracker
_renderer.Resources.AddTrackedObject(_buffer.ComPointer, this);
} catch (Exception e) {
Dispose();
throw new TeslaException("Error creating DX10 buffer:\n" + e.Message);
}
}
/// <summary>
/// Creates a new instance of <see cref="D3D10VertexBufferImplementation"/>.
/// </summary>
/// <param name="renderer">The D3D10 renderer.</param>
/// <param name="decl">The vertex declaration.</param>
/// <param name="vertexCount">The vertex count.</param>
/// <param name="usage">The resource usage.</param>
/// <exception cref="Tesla.Core.TeslaException">Thrown if creating the underlying D3D10 buffer failed.</exception>
internal D3D10VertexBufferImplementation(D3D10Renderer renderer, VertexDeclaration decl, int vertexCount, ResourceUsage usage)
: base(decl, vertexCount, usage)
{
_renderer = renderer;
_graphicsDevice = _renderer.GraphicsDevice;
try {
//Determine appropiate vertex buffer to create, let any exceptions bubble up.
if (base.BufferUsage == ResourceUsage.Static)
{
D3D.ResourceUsage rUsage = D3D.ResourceUsage.Default;
D3D.CpuAccessFlags cpuAccess = D3D.CpuAccessFlags.None;
_buffer = new D3D.Buffer(_graphicsDevice, new D3D.BufferDescription(vertexCount * decl.VertexStride, rUsage, D3D.BindFlags.VertexBuffer, cpuAccess, D3D.ResourceOptionFlags.None));
}
else if (base.BufferUsage == ResourceUsage.Dynamic)
{
D3D.ResourceUsage rUsage = D3D.ResourceUsage.Dynamic;
D3D.CpuAccessFlags cpuAccess = D3D.CpuAccessFlags.Write;
_buffer = new D3D.Buffer(_graphicsDevice, new D3D.BufferDescription(vertexCount * decl.VertexStride, rUsage, D3D.BindFlags.VertexBuffer, cpuAccess, D3D.ResourceOptionFlags.None));
}
//Add to tracker
_renderer.Resources.AddTrackedObject(_buffer.ComPointer, this);
} catch (Exception e) {
Dispose();
throw new TeslaException("Error creating D3D10 buffer: \n" + e.Message, e);
}
}
/// <summary>
/// Creates a new instance of <see cref="D3D10VertexBufferImplementation"/> initialized with the interleaved data.
/// </summary>
/// <param name="renderer">The D3D10 renderer.</param>
/// <param name="decl">The vertex declaration.</param>
/// <param name="usage">The resource usage.</param>
/// <param name="data">The interleaved data.</param>
/// <exception cref="Tesla.Core.TeslaException">Thrown if creating the underlying D3D10 buffer or writing to it failed.</exception>
internal D3D10VertexBufferImplementation(D3D10Renderer renderer, VertexDeclaration decl, ResourceUsage usage, DataBuffer data)
: base(decl, usage, data)
{
_renderer = renderer;
_graphicsDevice = _renderer.GraphicsDevice;
//Determine appropiate buffer, let any exceptions bubble up.
try {
using (SDX.DataStream ds = new SDX.DataStream(data.ByteDataCopy, true, false)) {
//Now create and populate appropiate D3D10 buffer
if (base.BufferUsage == ResourceUsage.Static)
{
D3D.ResourceUsage rUsage = D3D.ResourceUsage.Default;
D3D.CpuAccessFlags cpuAccess = D3D.CpuAccessFlags.None;
_buffer = new D3D.Buffer(_graphicsDevice, ds, new D3D.BufferDescription(data.SizeInBytes, rUsage, D3D.BindFlags.VertexBuffer, cpuAccess, D3D.ResourceOptionFlags.None));
}
else if (base.BufferUsage == ResourceUsage.Dynamic)
{
D3D.ResourceUsage rUsage = D3D.ResourceUsage.Dynamic;
D3D.CpuAccessFlags cpuAccess = D3D.CpuAccessFlags.Write;
_buffer = new D3D.Buffer(_graphicsDevice, ds, new D3D.BufferDescription(data.SizeInBytes, rUsage, D3D.BindFlags.VertexBuffer, cpuAccess, D3D.ResourceOptionFlags.None));
}
}
//Add to tracker
_renderer.Resources.AddTrackedObject(_buffer.ComPointer, this);
} catch (Exception e) {
Dispose();
throw new TeslaException("Error creating D3D10 buffer: \n" + e.Message, e);
}
}
/// <summary>
/// Creates a new instance of <see cref="D3D10VertexBufferImplementation"/> initialized with the vertex data array.
/// </summary>
/// <param name="renderer">The D3D10 renderer.</param>
/// <param name="decl">The vertex declaration.</param>
/// <param name="usage">The resource usage.</param>
/// <param name="data">The array of vertex data.</param>
/// <exception cref="Tesla.Core.TeslaException">Thrown if creating the underlying D3D10 buffer or writing to it failed.</exception>
internal D3D10VertexBufferImplementation(D3D10Renderer renderer, VertexDeclaration decl, ResourceUsage usage, params DataBuffer[] data)
: base(decl, usage, data)
{
_renderer = renderer;
_graphicsDevice = renderer.GraphicsDevice;
int totalSizeInBytes = base.VertexCount * decl.VertexStride;
int vertexStride = decl.VertexStride;
try {
//Now initialize the buffer with the supplied vertex store
using (SDX.DataStream interleaved = new SDX.DataStream(totalSizeInBytes, true, true)) {
//Create the interleaved buffer
byte[] vertex = new byte[vertexStride];
for (int i = 0; i < base.VertexCount; i++)
{
int offset = 0;
for (int j = 0; j < data.Length; j++)
{
DataBuffer db = data[j];
int elementSize = db.ElementSizeInBytes;
db.Get(vertex, offset, elementSize);
offset += elementSize;
}
interleaved.Write(vertex, 0, vertexStride);
}
interleaved.Position = 0;
//Now create and populate appropiate D3D10 buffer
if (base.BufferUsage == ResourceUsage.Static)
{
D3D.ResourceUsage rUsage = D3D.ResourceUsage.Default;
D3D.CpuAccessFlags cpuAccess = D3D.CpuAccessFlags.None;
_buffer = new D3D.Buffer(_graphicsDevice, interleaved, new D3D.BufferDescription(totalSizeInBytes, rUsage, D3D.BindFlags.VertexBuffer, cpuAccess, D3D.ResourceOptionFlags.None));
}
else if (base.BufferUsage == ResourceUsage.Dynamic)
{
D3D.ResourceUsage rUsage = D3D.ResourceUsage.Dynamic;
D3D.CpuAccessFlags cpuAccess = D3D.CpuAccessFlags.Write;
_buffer = new D3D.Buffer(_graphicsDevice, interleaved, new D3D.BufferDescription(totalSizeInBytes, rUsage, D3D.BindFlags.VertexBuffer, cpuAccess, D3D.ResourceOptionFlags.None));
}
}
//Add to tracker
_renderer.Resources.AddTrackedObject(_buffer.ComPointer, this);
} catch (Exception e) {
Dispose();
throw new TeslaException("Error creating D3D10 buffer: \n" + e.Message, e);
}
}
/// <summary>
/// Creates a new instance of <see cref="D3D10IndexBufferImplementation"/>.
/// </summary>
/// <param name="renderer">The D3D renderer.</param>
/// <param name="indices">The index data</param>
/// <param name="usage">The buffer usage specifying what type of memory the buffer should be created in.</param>
internal D3D10IndexBufferImplementation(D3D10Renderer renderer, DataBuffer <int> indices, ResourceUsage usage)
: base(indices, usage)
{
if (indices == null)
{
throw new ArgumentNullException("indices", "Indices cannot be null.");
}
_renderer = renderer;
_graphicsDevice = _renderer.GraphicsDevice;
try {
//Determine appropiate vertex buffer to create
if (usage == ResourceUsage.Static)
{
D3D.ResourceUsage rUsage = D3D.ResourceUsage.Default;
D3D.CpuAccessFlags cpuAccess = D3D.CpuAccessFlags.None;
using (SDX.DataStream ds = new SDX.DataStream(indices.Buffer, true, true)) {
_buffer = new D3D.Buffer(_graphicsDevice, ds, new D3D.BufferDescription(indices.SizeInBytes, rUsage, D3D.BindFlags.IndexBuffer, cpuAccess, D3D.ResourceOptionFlags.None));
}
}
else if (usage == ResourceUsage.Dynamic)
{
D3D.ResourceUsage rUsage = D3D.ResourceUsage.Dynamic;
D3D.CpuAccessFlags cpuAccess = D3D.CpuAccessFlags.Write;
using (SDX.DataStream ds = new SDX.DataStream(indices.Buffer, true, true)) {
_buffer = new D3D.Buffer(_graphicsDevice, ds, new D3D.BufferDescription(indices.SizeInBytes, rUsage, D3D.BindFlags.IndexBuffer, cpuAccess, D3D.ResourceOptionFlags.None));
}
}
//Add to tracker
_renderer.Resources.AddTrackedObject(_buffer.ComPointer, this);
} catch (D3D.Direct3D10Exception e) {
Dispose();
throw new TeslaException("Error creating D3D10 buffer.", e);
}
}
