/// <summary>
/// load bitmap from pointer
/// </summary>
void load(Queue staggingQ, CommandPool staggingCmdPool, IntPtr bitmap, bool generateMipmaps = true)
{
long size = info.extent.width * info.extent.height * 4 * info.extent.depth;
if (MemoryFlags.HasFlag(VkMemoryPropertyFlags.HostVisible))
{
Map();
unsafe {
System.Buffer.MemoryCopy(bitmap.ToPointer(), MappedData.ToPointer(), size, size);
}
Unmap();
if (generateMipmaps)
{
BuildMipmaps(staggingQ, staggingCmdPool);
}
}
else
{
using (HostBuffer stagging = new HostBuffer(Dev, VkBufferUsageFlags.TransferSrc, (UInt64)size, bitmap)) {
PrimaryCommandBuffer cmd = staggingCmdPool.AllocateAndStart(VkCommandBufferUsageFlags.OneTimeSubmit);
stagging.CopyTo(cmd, this);
if (generateMipmaps)
{
BuildMipmaps(cmd);
}
cmd.End();
staggingQ.Submit(cmd);
staggingQ.WaitIdle();
cmd.Free();
}
}
}
/// <summary>
/// End command recording, submit, and wait queue idle
/// </summary>
public void EndSubmitAndWait(PrimaryCommandBuffer cmd, bool freeCommandBuffer = false)
{
cmd.End();
Submit(cmd);
WaitIdle();
if (freeCommandBuffer)
{
cmd.Free();
}
}
public void BuildMipmaps(Queue copyQ, CommandPool copyCmdPool)
{
if (info.mipLevels == 1)
{
Debug.WriteLine("Invoking BuildMipmaps on image that has only one mipLevel");
return;
}
PrimaryCommandBuffer cmd = copyCmdPool.AllocateCommandBuffer();
cmd.Start(VkCommandBufferUsageFlags.OneTimeSubmit);
BuildMipmaps(cmd);
cmd.End();
copyQ.Submit(cmd);
copyQ.WaitIdle();
cmd.Free();
}