internal void Clear()
{
m_deviceContext.ClearState();
m_inputLayout = null;
m_primitiveTopology = PrimitiveTopology.Undefined;
m_indexBufferRef = null;
m_indexBufferFormat = 0;
m_indexBufferOffset = 0;
for (int i = 0; i < m_vertexBuffers.Length; i++)
m_vertexBuffers[i] = null;
for (int i = 0; i < m_vertexBuffersStrides.Length; i++)
m_vertexBuffersStrides[i] = 0;
m_blendState = null;
m_stencilRef = 0;
m_depthStencilState = null;
m_rtvsCount = 0;
for (int i = 0; i < m_rtvs.Length; i++)
m_rtvs[i] = null;
m_dsv = null;
m_rasterizerState = null;
m_scissorLeftTop = new Vector2I(-1, -1);
m_scissorRightBottom = new Vector2I(-1, -1);
m_viewport = default(RawViewportF);
m_targetBuffer = null;
m_targetOffsets = 0;
m_statistics.ClearStates++;
}
internal void SetIndexBuffer(IIndexBuffer ib, MyIndexBufferFormat format, int offset)
{
if (ib == m_indexBufferRef &&
format == m_indexBufferFormat &&
offset == m_indexBufferOffset)
{
return;
}
m_indexBufferRef = ib;
m_indexBufferFormat = format;
m_indexBufferOffset = offset;
m_deviceContext.InputAssembler.SetIndexBuffer(ib.Buffer, (Format)format, offset);
m_statistics.SetIndexBuffers++;
}
internal void Clear()
{
if (m_deviceContext != null)
{
m_deviceContext.ClearState();
}
m_inputLayout = null;
m_primitiveTopology = PrimitiveTopology.Undefined;
m_indexBufferRef = null;
m_indexBufferFormat = 0;
m_indexBufferOffset = 0;
for (int i = 0; i < m_vertexBuffers.Length; i++)
{
m_vertexBuffers[i] = null;
}
for (int i = 0; i < m_vertexBuffersStrides.Length; i++)
{
m_vertexBuffersStrides[i] = 0;
}
for (int i = 0; i < m_vertexBuffersByteOffset.Length; i++)
{
m_vertexBuffersByteOffset[i] = 0;
}
m_blendState = null;
m_stencilRef = 0;
m_depthStencilState = null;
m_rtvsCount = 0;
for (int i = 0; i < m_rtvs.Length; i++)
{
m_rtvs[i] = null;
}
m_dsv = null;
m_rasterizerState = null;
m_scissorLeftTop = new Vector2I(-1, -1);
m_scissorRightBottom = new Vector2I(-1, -1);
m_viewport = default(RawViewportF);
m_targetBuffer = null;
m_targetOffsets = 0;
if (m_statistics != null)
{
m_statistics.ClearStates++;
}
}
internal void SetIndexBuffer(IIndexBuffer ib, MyIndexBufferFormat format, int offset)
{
if (ib == m_indexBufferRef
&& format == m_indexBufferFormat
&& offset == m_indexBufferOffset)
return;
m_indexBufferRef = ib;
m_indexBufferFormat = format;
m_indexBufferOffset = offset;
m_deviceContext.InputAssembler.SetIndexBuffer(ib.Buffer, (Format)format, offset);
m_statistics.SetIndexBuffers++;
}
public IIndexBuffer CreateIndexBuffer(string name, int elements, IntPtr?initData = null, MyIndexBufferFormat format = MyIndexBufferFormat.UShort, ResourceUsage usage = ResourceUsage.Default)
{
Debug.Assert(usage != ResourceUsage.Staging, "Conspicuous ResourceUsage setup: should an index buffer be a staging resource?");
int stride;
switch (format)
{
case MyIndexBufferFormat.UShort:
stride = 2;
break;
case MyIndexBufferFormat.UInt:
stride = 4;
break;
default:
throw new NotImplementedException("Unsupported index buffer format.");
}
BufferDescription description = new BufferDescription(elements * stride,
usage,
BindFlags.IndexBuffer,
usage == ResourceUsage.Dynamic ? CpuAccessFlags.Write : CpuAccessFlags.None,
ResourceOptionFlags.None,
stride);
return(CreateInternal <MyIndexBuffer>(name, ref description, initData, b => b.Format = format));
}
