internal unsafe void EmitBlockBegin(ProfilerMessageType type, int byteSize)
{
// message type and 0 padded 32 bit alignment are part of block size
byteSize += 4;
blockSizeExpected = byteSize;
// Block end data will start with a 32 bit value which must be aligned, so consider that when
// expressing size of the block data
while ((byteSize & 3) != 0)
{
byteSize++;
}
buffer->WriteData <uint>(kPacketBlockHeader);
buffer->WriteData <uint>(blockIndex);
buffer->WriteData <ulong>(threadId);
buffer->WriteData <int>(byteSize);
blockSizeStart = buffer->DataToSendBytes;
buffer->WriteData <uint>((uint)type);
}
internal unsafe void EmitSample(ProfilerMessageType type, uint markerId, ulong sysTicks, byte metadataCount = 0)
{
int bytesData = 16;
if (metadataCount > 0)
{
bytesData += 4;
}
EmitBlockBegin(type, bytesData);
buffer->WriteData <uint>(0); // flag (1 for mono sample)
buffer->WriteData <uint>(markerId);
buffer->WriteData <ulong>(sysTicks);
if (metadataCount > 0)
{
buffer->WriteData <uint>(metadataCount);
}
EmitBlockEnd();
}
