protected void BeginChunk(BinaryReader br)
{
flags = (ChunkFlags)br.ReadUInt32();
Debug.Assert(flags != 0);
chunkID = (uint)(flags & ChunkFlags.ChunkIndexMask);
chunkType = (D3D11Chunk)chunkID;
chunkFlags = SDChunkFlags.NoFlags;
if ((flags & ChunkFlags.ChunkCallstack) != 0)
{
uint numFrames = br.ReadUInt32();
if (numFrames < 4096)
{
chunkFlags |= SDChunkFlags.HasCallstack;
callstack = new ulong[numFrames];
br.Read(callstack, 0, callstack.Length);
}
else
{
Console.WriteLine($"Read invalid number of callstack frames:{numFrames}");
br.BaseStream.Position += numFrames * sizeof(ulong);
}
}
if ((flags & ChunkFlags.ChunkThreadID) != 0)
{
threadID = br.ReadUInt64();
}
else
{
threadID = 0;
}
if ((flags & ChunkFlags.ChunkDuration) != 0)
{
durationMicro = br.ReadInt64();
}
else
{
durationMicro = -1;
}
if ((flags & ChunkFlags.ChunkTimestamp) != 0)
{
timestampMicro = br.ReadUInt64();
}
else
{
timestampMicro = 0;
}
if ((flags & ChunkFlags.Chunk64BitSize) != 0)
{
length = br.ReadUInt64();
}
else
{
length = br.ReadUInt32();
}
headerLength = br.BaseStream.Position - offset;
}
private IChunk CreateChunkByMeta(ChunkMeta chunkMeta)
{
SystemChunk systemChunk = (SystemChunk)chunkMeta.chunkID;
D3D11Chunk d3D11Chunk = (D3D11Chunk)chunkMeta.chunkID;
if (chunkMeta.chunkID < (uint)SystemChunk.FirstDriverChunk)
{
switch (systemChunk)
{
case SystemChunk.DriverInit:
return(new Chunk_DriverInit(this));
case SystemChunk.InitialContents:
return(new Chunk_InitialContents(this));
default:
return(new ChunkBase(this));
}
}
else
{
switch (d3D11Chunk)
{
case D3D11Chunk.CreateTexture2D:
return(new Chunk_CreateTexture2D(this));
case D3D11Chunk.CreateTexture2D1:
return(new Chunk_CreateTexture2D1(this));
case D3D11Chunk.SetResourceName:
return(new Chunk_SetResourceName(this));
case D3D11Chunk.CreateSwapBuffer:
return(new Chunk_CreateSwapBuffer(this));
case D3D11Chunk.CreateRenderTargetView:
return(new Chunk_CreateRenderTargetView(this));
case D3D11Chunk.CreateShaderResourceView:
return(new Chunk_CreateShaderResourceView(this));
case D3D11Chunk.CreateDepthStencilView:
return(new Chunk_CreateDepthStencilView(this));
case D3D11Chunk.UpdateSubresource:
return(new Chunk_UpdateSubresource(this));
case D3D11Chunk.UpdateSubresource1:
return(new Chunk_UpdateSubresource1(this));
case D3D11Chunk.CreateBuffer:
return(new Chunk_CreateBuffer(this));
case D3D11Chunk.IASetVertexBuffers:
return(new Chunk_IASetVertexBuffers(this));
case D3D11Chunk.IASetIndexBuffer:
return(new Chunk_IASetIndexBuffer(this));
default:
return(new ChunkBase(this));
}
}
}
