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renderdoc/renderdoc/driver/d3d12/d3d12_hooks.cpp
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/******************************************************************************
* The MIT License (MIT)
*
* Copyright (c) 2016 Baldur Karlsson
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
******************************************************************************/
#include "driver/dxgi/dxgi_wrapped.h"
#include "hooks/hooks.h"
#include "serialise/serialiser.h"
#include "d3d12_command_queue.h"
#include "d3d12_device.h"
#define DLL_NAME "d3d12.dll"
ID3DDevice *GetD3D12DeviceIfAlloc(IUnknown *dev)
{
if(WrappedID3D12CommandQueue::IsAlloc(dev))
return (WrappedID3D12CommandQueue *)dev;
return NULL;
}
// dummy class to present to the user, while we maintain control
class WrappedID3D12Debug : public RefCounter12<ID3D12Debug>, public ID3D12Debug
{
public:
WrappedID3D12Debug() : RefCounter12(NULL) {}
virtual ~WrappedID3D12Debug() {}
//////////////////////////////
// Implement IUnknown
ULONG STDMETHODCALLTYPE AddRef() { return RefCounter12::AddRef(); }
ULONG STDMETHODCALLTYPE Release() { return RefCounter12::Release(); }
HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void **ppvObject)
{
if(riid == __uuidof(IUnknown))
{
*ppvObject = (IUnknown *)(ID3D12Debug *)this;
AddRef();
return S_OK;
}
if(riid == __uuidof(ID3D12Debug))
{
*ppvObject = (ID3D12Debug *)this;
AddRef();
return S_OK;
}
return RefCounter12::QueryInterface(riid, ppvObject);
}
//////////////////////////////
// Implement ID3D12Debug
virtual void STDMETHODCALLTYPE EnableDebugLayer() {}
};
class D3D12Hook : LibraryHook
{
public:
D3D12Hook()
{
LibraryHooks::GetInstance().RegisterHook(DLL_NAME, this);
m_HasHooks = false;
m_EnabledHooks = true;
m_InsideCreate = false;
}
bool CreateHooks(const char *libName)
{
bool success = true;
WrappedIDXGISwapChain3::RegisterD3DDeviceCallback(GetD3D12DeviceIfAlloc);
// also require d3dcompiler_??.dll
if(GetD3DCompiler() == NULL)
{
RDCERR("Failed to load d3dcompiler_??.dll - not inserting D3D12 hooks.");
return false;
}
success &= CreateDevice.Initialize("D3D12CreateDevice", DLL_NAME, D3D12CreateDevice_hook);
success &= GetDebugInterface.Initialize("D3D12GetDebugInterface", DLL_NAME,
D3D12GetDebugInterface_hook);
if(!success)
return false;
m_HasHooks = true;
m_EnabledHooks = true;
return true;
}
void EnableHooks(const char *libName, bool enable) { m_EnabledHooks = enable; }
void OptionsUpdated(const char *libName) {}
bool UseHooks() { return (d3d12hooks.m_HasHooks && d3d12hooks.m_EnabledHooks); }
static HRESULT CreateWrappedDevice(IUnknown *pAdapter, D3D_FEATURE_LEVEL MinimumFeatureLevel,
REFIID riid, void **ppDevice)
{
return d3d12hooks.Create_Internal(pAdapter, MinimumFeatureLevel, riid, ppDevice);
}
private:
static D3D12Hook d3d12hooks;
bool m_HasHooks;
bool m_EnabledHooks;
Hook<PFN_D3D12_GET_DEBUG_INTERFACE> GetDebugInterface;
Hook<PFN_D3D12_CREATE_DEVICE> CreateDevice;
// re-entrancy detection (can happen in rare cases with e.g. fraps)
bool m_InsideCreate;
HRESULT Create_Internal(IUnknown *pAdapter, D3D_FEATURE_LEVEL MinimumFeatureLevel, REFIID riid,
void **ppDevice)
{
// if we're already inside a wrapped create i.e. this function, then DON'T do anything
// special. Just grab the trampolined function and call it.
if(m_InsideCreate)
{
PFN_D3D12_CREATE_DEVICE createFunc = NULL;
// shouldn't ever get in here if we're in the case without hooks but let's be safe.
if(m_HasHooks)
{
createFunc = CreateDevice();
}
else
{
HMODULE d3d12 = GetModuleHandleA("d3d12.dll");
if(d3d12)
{
createFunc = (PFN_D3D12_CREATE_DEVICE)GetProcAddress(d3d12, "D3D12CreateDevice");
}
else
{
RDCERR("Something went seriously wrong, d3d12.dll couldn't be loaded!");
return E_UNEXPECTED;
}
}
return createFunc(pAdapter, MinimumFeatureLevel, riid, ppDevice);
}
m_InsideCreate = true;
if(riid != __uuidof(ID3D12Device))
{
RDCERR("Unsupported UUID %s for D3D12CreateDevice", ToStr::Get(riid).c_str());
return E_NOINTERFACE;
}
RDCDEBUG("Call to Create_Internal Feature Level %x", MinimumFeatureLevel,
ToStr::Get(riid).c_str());
bool reading = RenderDoc::Inst().IsReplayApp();
if(reading)
{
RDCDEBUG("In replay app");
}
const bool EnableDebugLayer =
#if 1 // toggle on/off if you want debug layer during replay
RenderDoc::Inst().IsReplayApp() ||
#endif
(m_EnabledHooks && !reading && RenderDoc::Inst().GetCaptureOptions().APIValidation);
if(EnableDebugLayer)
{
PFN_D3D12_GET_DEBUG_INTERFACE getfn = GetDebugInterface();
if(getfn == NULL)
getfn = (PFN_D3D12_GET_DEBUG_INTERFACE)GetProcAddress(GetModuleHandleA("d3d12.dll"),
"D3D12GetDebugInterface");
if(getfn)
{
ID3D12Debug *debug = NULL;
HRESULT hr = getfn(__uuidof(ID3D12Debug), (void **)&debug);
if(SUCCEEDED(hr) && debug)
debug->EnableDebugLayer();
else
RDCERR("Couldn't enable debug layer: %x", hr);
SAFE_RELEASE(debug);
}
else
{
RDCERR("Couldn't find D3D12GetDebugInterface!");
}
}
RDCDEBUG("Calling real createdevice...");
PFN_D3D12_CREATE_DEVICE createFunc =
(PFN_D3D12_CREATE_DEVICE)GetProcAddress(GetModuleHandleA("d3d12.dll"), "D3D12CreateDevice");
if(createFunc == NULL)
createFunc = CreateDevice();
// shouldn't ever get here, we should either have it from procaddress or the trampoline, but
// let's be safe.
if(createFunc == NULL)
{
RDCERR("Something went seriously wrong with the hooks!");
m_InsideCreate = false;
return E_UNEXPECTED;
}
HRESULT ret = createFunc(pAdapter, MinimumFeatureLevel, riid, ppDevice);
RDCDEBUG("Called real createdevice... 0x%08x", ret);
if(SUCCEEDED(ret) && m_EnabledHooks && ppDevice)
{
RDCDEBUG("succeeded and hooking.");
if(!WrappedID3D12Device::IsAlloc(*ppDevice))
{
D3D12InitParams params;
params.MinimumFeatureLevel = MinimumFeatureLevel;
ID3D12Device *dev = (ID3D12Device *)*ppDevice;
WrappedID3D12Device *wrap = new WrappedID3D12Device(dev, &params);
RDCDEBUG("created wrapped device.");
*ppDevice = (ID3D12Device *)wrap;
}
}
else if(SUCCEEDED(ret))
{
RDCLOG("Created wrapped D3D12 device.");
}
else
{
RDCDEBUG("failed. 0x%08x", ret);
}
m_InsideCreate = false;
return ret;
}
static HRESULT WINAPI D3D12CreateDevice_hook(IUnknown *pAdapter,
D3D_FEATURE_LEVEL MinimumFeatureLevel, REFIID riid,
void **ppDevice)
{
return d3d12hooks.Create_Internal(pAdapter, MinimumFeatureLevel, riid, ppDevice);
}
static HRESULT WINAPI D3D12GetDebugInterface_hook(REFIID riid, void **ppvDebug)
{
if(riid != __uuidof(ID3D12Debug))
{
IUnknown *releaseme = NULL;
HRESULT real = d3d12hooks.GetDebugInterface()(riid, (void **)&releaseme);
if(releaseme)
releaseme->Release();
RDCWARN("Unknown UUID passed to D3D12GetDebugInterface: %s. Real call %s succeed (%x).",
ToStr::Get(riid).c_str(), SUCCEEDED(real) ? "did" : "did not", real);
return E_NOINTERFACE;
}
*ppvDebug = (ID3D12Debug *)(new WrappedID3D12Debug());
return S_OK;
}
};
D3D12Hook D3D12Hook::d3d12hooks;
extern "C" __declspec(dllexport) HRESULT
__cdecl RENDERDOC_CreateWrappedD3D12Device(IUnknown *pAdapter,
D3D_FEATURE_LEVEL MinimumFeatureLevel, REFIID riid,
void **ppDevice)
{
return D3D12Hook::CreateWrappedDevice(pAdapter, MinimumFeatureLevel, riid, ppDevice);
}