private void PlatformSetStructuredBuffer <T>(int index, StaticBuffer <T> buffer)
where T : struct
{
var deviceResource = buffer?.DeviceBuffer;
var description = new ShaderResourceViewDescription
{
Shader4ComponentMapping = ComponentMappingUtility.DefaultComponentMapping(),
Format = buffer != null
? SharpDX.DXGI.Format.Unknown
: SharpDX.DXGI.Format.R32_UInt,
Dimension = ShaderResourceViewDimension.Buffer,
Buffer =
{
FirstElement = 0,
ElementCount = (int)(buffer?.ElementCount ?? 0),
StructureByteStride = (int)(buffer?.ElementSizeInBytes ?? 0),
Flags = BufferShaderResourceViewFlags.None
}
};
GraphicsDevice.Device.CreateShaderResourceView(
deviceResource,
description,
_cbvUavSrvPoolEntry.GetCpuHandle(index));
}
private void PlatformDrawIndexed(
PrimitiveType primitiveType,
uint indexCount,
StaticBuffer <ushort> indexBuffer,
uint indexBufferOffset)
{
_commandList.PrimitiveTopology = primitiveType.ToPrimitiveTopology();
_commandList.SetIndexBuffer(new IndexBufferView
{
BufferLocation = indexBuffer.DeviceBuffer.GPUVirtualAddress,
Format = SharpDX.DXGI.Format.R16_UInt,
SizeInBytes = (int)indexBuffer.DeviceBuffer.Description.Width
});
_commandList.DrawIndexedInstanced(
(int)indexCount,
1,
(int)indexBufferOffset,
0,
0);
}