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impl.cpp
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impl.cpp
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#include <array>
#include <cstring>
#include "impl.h"
#include "util.h"
namespace atfix {
/** Hooking-related stuff */
using PFN_ID3D11Device_CreateBuffer = HRESULT (STDMETHODCALLTYPE *) (ID3D11Device*,
const D3D11_BUFFER_DESC*, const D3D11_SUBRESOURCE_DATA*, ID3D11Buffer**);
using PFN_ID3D11Device_CreateDeferredContext = HRESULT (STDMETHODCALLTYPE *) (ID3D11Device*,
UINT, ID3D11DeviceContext**);
using PFN_ID3D11Device_CreateTexture1D = HRESULT (STDMETHODCALLTYPE *) (ID3D11Device*,
const D3D11_TEXTURE1D_DESC*, const D3D11_SUBRESOURCE_DATA*, ID3D11Texture1D**);
using PFN_ID3D11Device_CreateTexture2D = HRESULT (STDMETHODCALLTYPE *) (ID3D11Device*,
const D3D11_TEXTURE2D_DESC*, const D3D11_SUBRESOURCE_DATA*, ID3D11Texture2D**);
using PFN_ID3D11Device_CreateTexture3D = HRESULT (STDMETHODCALLTYPE *) (ID3D11Device*,
const D3D11_TEXTURE3D_DESC*, const D3D11_SUBRESOURCE_DATA*, ID3D11Texture3D**);
using PFN_ID3D11DeviceContext_ClearRenderTargetView = void (STDMETHODCALLTYPE *) (ID3D11DeviceContext*,
ID3D11RenderTargetView*, const FLOAT[4]);
using PFN_ID3D11DeviceContext_ClearUnorderedAccessViewFloat = void (STDMETHODCALLTYPE *) (ID3D11DeviceContext*,
ID3D11UnorderedAccessView*, const FLOAT[4]);
using PFN_ID3D11DeviceContext_ClearUnorderedAccessViewUint = void (STDMETHODCALLTYPE *) (ID3D11DeviceContext*,
ID3D11UnorderedAccessView*, const UINT[4]);
using PFN_ID3D11DeviceContext_CopyResource = void (STDMETHODCALLTYPE *) (ID3D11DeviceContext*,
ID3D11Resource*, ID3D11Resource*);
using PFN_ID3D11DeviceContext_CopySubresourceRegion = void (STDMETHODCALLTYPE *) (ID3D11DeviceContext*,
ID3D11Resource*, UINT, UINT, UINT, UINT, ID3D11Resource*, UINT, const D3D11_BOX*);
using PFN_ID3D11DeviceContext_CopyStructureCount = void (STDMETHODCALLTYPE *) (ID3D11DeviceContext*,
ID3D11Buffer*, UINT, ID3D11UnorderedAccessView*);
using PFN_ID3D11DeviceContext_Dispatch = void (STDMETHODCALLTYPE *) (ID3D11DeviceContext*,
UINT, UINT, UINT);
using PFN_ID3D11DeviceContext_DispatchIndirect = void (STDMETHODCALLTYPE *) (ID3D11DeviceContext*,
ID3D11Buffer*, UINT);
using PFN_ID3D11DeviceContext_OMSetRenderTargets = void (STDMETHODCALLTYPE *) (ID3D11DeviceContext*,
UINT, ID3D11RenderTargetView* const*, ID3D11DepthStencilView*);
using PFN_ID3D11DeviceContext_OMSetRenderTargetsAndUnorderedAccessViews = void (STDMETHODCALLTYPE *) (ID3D11DeviceContext*,
UINT, ID3D11RenderTargetView* const*, ID3D11DepthStencilView*, UINT, UINT, ID3D11UnorderedAccessView* const*, const UINT*);
using PFN_ID3D11DeviceContext_UpdateSubresource = void (STDMETHODCALLTYPE *) (ID3D11DeviceContext*,
ID3D11Resource*, UINT, const D3D11_BOX*, const void*, UINT, UINT);
struct DeviceProcs {
PFN_ID3D11Device_CreateBuffer CreateBuffer = nullptr;
PFN_ID3D11Device_CreateDeferredContext CreateDeferredContext = nullptr;
PFN_ID3D11Device_CreateTexture1D CreateTexture1D = nullptr;
PFN_ID3D11Device_CreateTexture2D CreateTexture2D = nullptr;
PFN_ID3D11Device_CreateTexture3D CreateTexture3D = nullptr;
};
struct ContextProcs {
PFN_ID3D11DeviceContext_ClearRenderTargetView ClearRenderTargetView = nullptr;
PFN_ID3D11DeviceContext_ClearUnorderedAccessViewFloat ClearUnorderedAccessViewFloat = nullptr;
PFN_ID3D11DeviceContext_ClearUnorderedAccessViewUint ClearUnorderedAccessViewUint = nullptr;
PFN_ID3D11DeviceContext_CopyResource CopyResource = nullptr;
PFN_ID3D11DeviceContext_CopySubresourceRegion CopySubresourceRegion = nullptr;
PFN_ID3D11DeviceContext_CopyStructureCount CopyStructureCount = nullptr;
PFN_ID3D11DeviceContext_Dispatch Dispatch = nullptr;
PFN_ID3D11DeviceContext_DispatchIndirect DispatchIndirect = nullptr;
PFN_ID3D11DeviceContext_OMSetRenderTargets OMSetRenderTargets = nullptr;
PFN_ID3D11DeviceContext_OMSetRenderTargetsAndUnorderedAccessViews OMSetRenderTargetsAndUnorderedAccessViews = nullptr;
PFN_ID3D11DeviceContext_UpdateSubresource UpdateSubresource = nullptr;
};
static mutex g_hookMutex;
static mutex g_globalMutex;
DeviceProcs g_deviceProcs;
ContextProcs g_immContextProcs;
ContextProcs g_defContextProcs;
constexpr uint32_t HOOK_DEVICE = (1u << 0);
constexpr uint32_t HOOK_IMM_CTX = (1u << 1);
constexpr uint32_t HOOK_DEF_CTX = (1u << 2);
uint32_t g_installedHooks = 0u;
const DeviceProcs* getDeviceProcs(ID3D11Device* pDevice) {
return &g_deviceProcs;
}
const ContextProcs* getContextProcs(ID3D11DeviceContext* pContext) {
return pContext->GetType() == D3D11_DEVICE_CONTEXT_IMMEDIATE
? &g_immContextProcs
: &g_defContextProcs;
}
/** Metadata */
static const GUID IID_StagingShadowResource = {0xe2728d91,0x9fdd,0x40d0,{0x87,0xa8,0x09,0xb6,0x2d,0xf3,0x14,0x9a}};
struct ATFIX_RESOURCE_INFO {
D3D11_RESOURCE_DIMENSION Dim;
DXGI_FORMAT Format;
uint32_t Width;
uint32_t Height;
uint32_t Depth;
uint32_t Layers;
uint32_t Mips;
D3D11_USAGE Usage;
uint32_t BindFlags;
uint32_t MiscFlags;
uint32_t CPUFlags;
};
void* ptroffset(void* base, ptrdiff_t offset) {
auto address = reinterpret_cast<uintptr_t>(base) + offset;
return reinterpret_cast<void*>(address);
}
uint32_t getFormatPixelSize(
DXGI_FORMAT Format) {
struct FormatRange {
DXGI_FORMAT MinFormat;
DXGI_FORMAT MaxFormat;
uint32_t FormatSize;
};
static const std::array<FormatRange, 7> s_ranges = {{
{ DXGI_FORMAT_R32G32B32A32_TYPELESS, DXGI_FORMAT_R32G32B32A32_SINT, 16u },
{ DXGI_FORMAT_R32G32B32_TYPELESS, DXGI_FORMAT_R32G32B32_SINT, 12u },
{ DXGI_FORMAT_R16G16B16A16_TYPELESS, DXGI_FORMAT_R32G32_SINT, 8u },
{ DXGI_FORMAT_R10G10B10A2_TYPELESS, DXGI_FORMAT_R32_SINT, 4u },
{ DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8X8_UNORM_SRGB, 4u },
{ DXGI_FORMAT_R8G8_TYPELESS, DXGI_FORMAT_R16_SINT, 2u },
{ DXGI_FORMAT_R8_TYPELESS, DXGI_FORMAT_A8_UNORM, 1u },
}};
for (const auto& range : s_ranges) {
if (Format >= range.MinFormat && Format <= range.MaxFormat)
return range.FormatSize;
}
log("Unhandled format ", Format);
return 1u;
}
bool getResourceInfo(
ID3D11Resource* pResource,
ATFIX_RESOURCE_INFO* pInfo) {
pResource->GetType(&pInfo->Dim);
switch (pInfo->Dim) {
case D3D11_RESOURCE_DIMENSION_BUFFER: {
ID3D11Buffer* buffer = nullptr;
pResource->QueryInterface(IID_PPV_ARGS(&buffer));
D3D11_BUFFER_DESC desc = { };
buffer->GetDesc(&desc);
buffer->Release();
pInfo->Format = DXGI_FORMAT_UNKNOWN;
pInfo->Width = desc.ByteWidth;
pInfo->Height = 1;
pInfo->Depth = 1;
pInfo->Layers = 1;
pInfo->Mips = 1;
pInfo->Usage = desc.Usage;
pInfo->BindFlags = desc.BindFlags;
pInfo->MiscFlags = desc.MiscFlags;
pInfo->CPUFlags = desc.CPUAccessFlags;
} return true;
case D3D11_RESOURCE_DIMENSION_TEXTURE1D: {
ID3D11Texture1D* texture = nullptr;
pResource->QueryInterface(IID_PPV_ARGS(&texture));
D3D11_TEXTURE1D_DESC desc = { };
texture->GetDesc(&desc);
texture->Release();
pInfo->Format = desc.Format;
pInfo->Width = desc.Width;
pInfo->Height = 1;
pInfo->Depth = 1;
pInfo->Layers = desc.ArraySize;
pInfo->Mips = desc.MipLevels;
pInfo->Usage = desc.Usage;
pInfo->BindFlags = desc.BindFlags;
pInfo->MiscFlags = desc.MiscFlags;
pInfo->CPUFlags = desc.CPUAccessFlags;
} return true;
case D3D11_RESOURCE_DIMENSION_TEXTURE2D: {
ID3D11Texture2D* texture = nullptr;
pResource->QueryInterface(IID_PPV_ARGS(&texture));
D3D11_TEXTURE2D_DESC desc = { };
texture->GetDesc(&desc);
texture->Release();
pInfo->Format = desc.Format;
pInfo->Width = desc.Width;
pInfo->Height = desc.Height;
pInfo->Depth = 1;
pInfo->Layers = desc.ArraySize;
pInfo->Mips = desc.MipLevels;
pInfo->Usage = desc.Usage;
pInfo->BindFlags = desc.BindFlags;
pInfo->MiscFlags = desc.MiscFlags;
pInfo->CPUFlags = desc.CPUAccessFlags;
} return true;
case D3D11_RESOURCE_DIMENSION_TEXTURE3D: {
ID3D11Texture3D* texture = nullptr;
pResource->QueryInterface(IID_PPV_ARGS(&texture));
D3D11_TEXTURE3D_DESC desc = { };
texture->GetDesc(&desc);
texture->Release();
pInfo->Format = desc.Format;
pInfo->Width = desc.Width;
pInfo->Height = desc.Height;
pInfo->Depth = desc.Depth;
pInfo->Layers = 1;
pInfo->Mips = desc.MipLevels;
pInfo->Usage = desc.Usage;
pInfo->BindFlags = desc.BindFlags;
pInfo->MiscFlags = desc.MiscFlags;
pInfo->CPUFlags = desc.CPUAccessFlags;
} return true;
default:
log("Unhandled resource dimension ", pInfo->Dim);
return false;
}
}
D3D11_BOX getResourceBox(
const ATFIX_RESOURCE_INFO* pInfo,
UINT Subresource) {
uint32_t mip = Subresource % pInfo->Mips;
uint32_t w = std::max(pInfo->Width >> mip, 1u);
uint32_t h = std::max(pInfo->Height >> mip, 1u);
uint32_t d = std::max(pInfo->Depth >> mip, 1u);
return D3D11_BOX { 0, 0, 0, w, h, d };
}
bool isImmediatecontext(
ID3D11DeviceContext* pContext) {
return pContext->GetType() == D3D11_DEVICE_CONTEXT_IMMEDIATE;
}
bool isCpuWritableResource(
const ATFIX_RESOURCE_INFO* pInfo) {
return (pInfo->Usage == D3D11_USAGE_STAGING || pInfo->Usage == D3D11_USAGE_DYNAMIC)
&& (pInfo->CPUFlags & D3D11_CPU_ACCESS_WRITE)
&& (pInfo->Layers == 1)
&& (pInfo->Mips == 1);
}
bool isCpuReadableResource(
const ATFIX_RESOURCE_INFO* pInfo) {
return (pInfo->Usage == D3D11_USAGE_STAGING)
&& (pInfo->CPUFlags & D3D11_CPU_ACCESS_READ)
&& (pInfo->Layers == 1)
&& (pInfo->Mips == 1);
}
ID3D11Resource* createShadowResourceLocked(
ID3D11DeviceContext* pContext,
ID3D11Resource* pBaseResource) {
auto procs = getContextProcs(pContext);
ID3D11Device* device = nullptr;
pContext->GetDevice(&device);
ATFIX_RESOURCE_INFO resourceInfo = { };
getResourceInfo(pBaseResource, &resourceInfo);
ID3D11Resource* shadowResource = nullptr;
HRESULT hr;
switch (resourceInfo.Dim) {
case D3D11_RESOURCE_DIMENSION_BUFFER: {
ID3D11Buffer* buffer = nullptr;
pBaseResource->QueryInterface(IID_PPV_ARGS(&buffer));
D3D11_BUFFER_DESC desc = { };
buffer->GetDesc(&desc);
buffer->Release();
desc.Usage = D3D11_USAGE_STAGING;
desc.BindFlags = 0;
desc.MiscFlags = 0;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE | D3D11_CPU_ACCESS_READ;
desc.StructureByteStride = 0;
ID3D11Buffer* shadowBuffer = nullptr;
hr = device->CreateBuffer(&desc, nullptr, &shadowBuffer);
shadowResource = shadowBuffer;
} break;
case D3D11_RESOURCE_DIMENSION_TEXTURE1D: {
ID3D11Texture1D* texture = nullptr;
pBaseResource->QueryInterface(IID_PPV_ARGS(&texture));
D3D11_TEXTURE1D_DESC desc = { };
texture->GetDesc(&desc);
texture->Release();
desc.Usage = D3D11_USAGE_STAGING;
desc.BindFlags = 0;
desc.MiscFlags = 0;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE | D3D11_CPU_ACCESS_READ;
ID3D11Texture1D* shadowBuffer = nullptr;
hr = device->CreateTexture1D(&desc, nullptr, &shadowBuffer);
shadowResource = shadowBuffer;
} break;
case D3D11_RESOURCE_DIMENSION_TEXTURE2D: {
ID3D11Texture2D* texture = nullptr;
pBaseResource->QueryInterface(IID_PPV_ARGS(&texture));
D3D11_TEXTURE2D_DESC desc = { };
texture->GetDesc(&desc);
texture->Release();
desc.Usage = D3D11_USAGE_STAGING;
desc.BindFlags = 0;
desc.MiscFlags = 0;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE | D3D11_CPU_ACCESS_READ;
ID3D11Texture2D* shadowBuffer = nullptr;
hr = device->CreateTexture2D(&desc, nullptr, &shadowBuffer);
shadowResource = shadowBuffer;
} break;
case D3D11_RESOURCE_DIMENSION_TEXTURE3D: {
ID3D11Texture3D* texture = nullptr;
pBaseResource->QueryInterface(IID_PPV_ARGS(&texture));
D3D11_TEXTURE3D_DESC desc = { };
texture->GetDesc(&desc);
texture->Release();
desc.Usage = D3D11_USAGE_STAGING;
desc.BindFlags = 0;
desc.MiscFlags = 0;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE | D3D11_CPU_ACCESS_READ;
ID3D11Texture3D* shadowBuffer = nullptr;
hr = device->CreateTexture3D(&desc, nullptr, &shadowBuffer);
shadowResource = shadowBuffer;
} break;
default:
log("Unhandled resource dimension ", resourceInfo.Dim);
hr = E_INVALIDARG;
}
if (SUCCEEDED(hr)) {
procs->CopyResource(pContext, shadowResource, pBaseResource);
pBaseResource->SetPrivateDataInterface(IID_StagingShadowResource, shadowResource);
} else
log("Failed to create shadow resource, hr ", std::hex, hr);
device->Release();
return shadowResource;
}
ID3D11Resource* getShadowResourceLocked(
ID3D11Resource* pBaseResource) {
ID3D11Resource* shadowResource = nullptr;
UINT resultSize = sizeof(shadowResource);
if (SUCCEEDED(pBaseResource->GetPrivateData(IID_StagingShadowResource, &resultSize, &shadowResource)))
return shadowResource;
return nullptr;
}
ID3D11Resource* getShadowResource(
ID3D11Resource* pBaseResource) {
std::lock_guard lock(g_globalMutex);
return getShadowResourceLocked(pBaseResource);
}
ID3D11Resource* getOrCreateShadowResource(
ID3D11DeviceContext* pContext,
ID3D11Resource* pBaseResource) {
std::lock_guard lock(g_globalMutex);
ID3D11Resource* shadowResource = getShadowResourceLocked(pBaseResource);
if (!shadowResource)
shadowResource = createShadowResourceLocked(pContext, pBaseResource);
return shadowResource;
}
void updateViewShadowResource(
ID3D11DeviceContext* pContext,
ID3D11View* pView) {
auto procs = getContextProcs(pContext);
ID3D11Resource* baseResource;
pView->GetResource(&baseResource);
ID3D11Resource* shadowResource = getShadowResource(baseResource);
if (shadowResource) {
ATFIX_RESOURCE_INFO resourceInfo = { };
getResourceInfo(baseResource, &resourceInfo);
uint32_t mipLevel = 0;
uint32_t layerIndex = 0;
uint32_t layerCount = 1;
ID3D11RenderTargetView* rtv = nullptr;
ID3D11UnorderedAccessView* uav = nullptr;
if (SUCCEEDED(pView->QueryInterface(IID_PPV_ARGS(&rtv)))) {
D3D11_RENDER_TARGET_VIEW_DESC desc = { };
rtv->GetDesc(&desc);
rtv->Release();
switch (desc.ViewDimension) {
case D3D11_RTV_DIMENSION_TEXTURE1D:
mipLevel = desc.Texture1D.MipSlice;
break;
case D3D11_RTV_DIMENSION_TEXTURE1DARRAY:
mipLevel = desc.Texture1DArray.MipSlice;
layerIndex = desc.Texture1DArray.FirstArraySlice;
layerCount = desc.Texture1DArray.ArraySize;
break;
case D3D11_RTV_DIMENSION_TEXTURE2D:
mipLevel = desc.Texture2D.MipSlice;
break;
case D3D11_RTV_DIMENSION_TEXTURE2DARRAY:
mipLevel = desc.Texture2DArray.MipSlice;
layerIndex = desc.Texture2DArray.FirstArraySlice;
layerCount = desc.Texture2DArray.ArraySize;
break;
case D3D11_RTV_DIMENSION_TEXTURE3D:
mipLevel = desc.Texture3D.MipSlice;
break;
default:
log("Unhandled RTV dimension ", desc.ViewDimension);
}
} else if (SUCCEEDED(pView->QueryInterface(IID_PPV_ARGS(&uav)))) {
D3D11_UNORDERED_ACCESS_VIEW_DESC desc = { };
uav->GetDesc(&desc);
uav->Release();
switch (desc.ViewDimension) {
case D3D11_UAV_DIMENSION_BUFFER:
break;
case D3D11_UAV_DIMENSION_TEXTURE1D:
mipLevel = desc.Texture1D.MipSlice;
break;
case D3D11_UAV_DIMENSION_TEXTURE1DARRAY:
mipLevel = desc.Texture1DArray.MipSlice;
layerIndex = desc.Texture1DArray.FirstArraySlice;
layerCount = desc.Texture1DArray.ArraySize;
break;
case D3D11_UAV_DIMENSION_TEXTURE2D:
mipLevel = desc.Texture2D.MipSlice;
break;
case D3D11_UAV_DIMENSION_TEXTURE2DARRAY:
mipLevel = desc.Texture2DArray.MipSlice;
layerIndex = desc.Texture2DArray.FirstArraySlice;
layerCount = desc.Texture2DArray.ArraySize;
break;
case D3D11_UAV_DIMENSION_TEXTURE3D:
mipLevel = desc.Texture3D.MipSlice;
break;
default:
log("Unhandled UAV dimension ", desc.ViewDimension);
}
} else {
log("Unhandled view type");
}
for (uint32_t i = 0; i < layerCount; i++) {
uint32_t subresource = D3D11CalcSubresource(mipLevel, layerIndex + i, resourceInfo.Mips);
procs->CopySubresourceRegion(pContext,
shadowResource, subresource, 0, 0, 0,
baseResource, subresource, nullptr);
}
shadowResource->Release();
}
baseResource->Release();
}
void updateRtvShadowResources(
ID3D11DeviceContext* pContext) {
std::array<ID3D11RenderTargetView*, 8> rtvs;
pContext->OMGetRenderTargets(rtvs.size(), rtvs.data(), nullptr);
for (ID3D11RenderTargetView* rtv : rtvs) {
if (rtv) {
updateViewShadowResource(pContext, rtv);
rtv->Release();
}
}
}
void updateUavShadowResources(
ID3D11DeviceContext* pContext) {
std::array<ID3D11UnorderedAccessView*, 8> uavs;
pContext->CSGetUnorderedAccessViews(0, uavs.size(), uavs.data());
for (ID3D11UnorderedAccessView* uav : uavs) {
if (uav) {
updateViewShadowResource(pContext, uav);
uav->Release();
}
}
}
HRESULT STDMETHODCALLTYPE ID3D11Device_CreateBuffer(
ID3D11Device* pDevice,
const D3D11_BUFFER_DESC* pDesc,
const D3D11_SUBRESOURCE_DATA* pData,
ID3D11Buffer** ppBuffer) {
auto procs = getDeviceProcs(pDevice);
D3D11_BUFFER_DESC desc;
if (pDesc && pDesc->Usage == D3D11_USAGE_STAGING) {
desc = *pDesc;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ | D3D11_CPU_ACCESS_WRITE;
pDesc = &desc;
}
return procs->CreateBuffer(pDevice, pDesc, pData, ppBuffer);
}
HRESULT STDMETHODCALLTYPE ID3D11Device_CreateDeferredContext(
ID3D11Device* pDevice,
UINT Flags,
ID3D11DeviceContext** ppDeferredContext) {
auto procs = getDeviceProcs(pDevice);
HRESULT hr = procs->CreateDeferredContext(pDevice, Flags, ppDeferredContext);
if (SUCCEEDED(hr) && ppDeferredContext)
hookContext(*ppDeferredContext);
return hr;
}
HRESULT STDMETHODCALLTYPE ID3D11Device_CreateTexture1D(
ID3D11Device* pDevice,
const D3D11_TEXTURE1D_DESC* pDesc,
const D3D11_SUBRESOURCE_DATA* pData,
ID3D11Texture1D** ppTexture) {
auto procs = getDeviceProcs(pDevice);
D3D11_TEXTURE1D_DESC desc;
if (pDesc && pDesc->Usage == D3D11_USAGE_STAGING) {
desc = *pDesc;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ | D3D11_CPU_ACCESS_WRITE;
pDesc = &desc;
}
return procs->CreateTexture1D(pDevice, pDesc, pData, ppTexture);
}
HRESULT STDMETHODCALLTYPE ID3D11Device_CreateTexture2D(
ID3D11Device* pDevice,
const D3D11_TEXTURE2D_DESC* pDesc,
const D3D11_SUBRESOURCE_DATA* pData,
ID3D11Texture2D** ppTexture) {
auto procs = getDeviceProcs(pDevice);
D3D11_TEXTURE2D_DESC desc;
if (pDesc && pDesc->Usage == D3D11_USAGE_STAGING) {
desc = *pDesc;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ | D3D11_CPU_ACCESS_WRITE;
pDesc = &desc;
}
return procs->CreateTexture2D(pDevice, pDesc, pData, ppTexture);
}
HRESULT STDMETHODCALLTYPE ID3D11Device_CreateTexture3D(
ID3D11Device* pDevice,
const D3D11_TEXTURE3D_DESC* pDesc,
const D3D11_SUBRESOURCE_DATA* pData,
ID3D11Texture3D** ppTexture) {
auto procs = getDeviceProcs(pDevice);
D3D11_TEXTURE3D_DESC desc;
if (pDesc && pDesc->Usage == D3D11_USAGE_STAGING) {
desc = *pDesc;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ | D3D11_CPU_ACCESS_WRITE;
pDesc = &desc;
}
return procs->CreateTexture3D(pDevice, pDesc, pData, ppTexture);
}
void STDMETHODCALLTYPE ID3D11DeviceContext_ClearRenderTargetView(
ID3D11DeviceContext* pContext,
ID3D11RenderTargetView* pRTV,
const FLOAT pColor[4]) {
auto procs = getContextProcs(pContext);
procs->ClearRenderTargetView(pContext, pRTV, pColor);
if (pRTV)
updateViewShadowResource(pContext, pRTV);
}
void STDMETHODCALLTYPE ID3D11DeviceContext_ClearUnorderedAccessViewFloat(
ID3D11DeviceContext* pContext,
ID3D11UnorderedAccessView* pUAV,
const FLOAT pColor[4]) {
auto procs = getContextProcs(pContext);
procs->ClearUnorderedAccessViewFloat(pContext, pUAV, pColor);
if (pUAV)
updateViewShadowResource(pContext, pUAV);
}
void STDMETHODCALLTYPE ID3D11DeviceContext_ClearUnorderedAccessViewUint(
ID3D11DeviceContext* pContext,
ID3D11UnorderedAccessView* pUAV,
const UINT pColor[4]) {
auto procs = getContextProcs(pContext);
procs->ClearUnorderedAccessViewUint(pContext, pUAV, pColor);
if (pUAV)
updateViewShadowResource(pContext, pUAV);
}
HRESULT tryCpuCopy(
ID3D11DeviceContext* pContext,
ID3D11Resource* pDstResource,
UINT DstSubresource,
UINT DstX,
UINT DstY,
UINT DstZ,
ID3D11Resource* pSrcResource,
UINT SrcSubresource,
const D3D11_BOX* pSrcBox) {
ATFIX_RESOURCE_INFO dstInfo = { };
getResourceInfo(pDstResource, &dstInfo);
if (!isCpuWritableResource(&dstInfo))
return E_INVALIDARG;
/* Compute source region for the given copy */
ATFIX_RESOURCE_INFO srcInfo = { };
getResourceInfo(pSrcResource, &srcInfo);
D3D11_BOX srcBox = getResourceBox(&srcInfo, SrcSubresource);
D3D11_BOX dstBox = getResourceBox(&dstInfo, DstSubresource);
if (pSrcBox)
srcBox = *pSrcBox;
uint32_t w = std::min(srcBox.right - srcBox.left, dstBox.right - DstX);
uint32_t h = std::min(srcBox.bottom - srcBox.top, dstBox.bottom - DstY);
uint32_t d = std::min(srcBox.back - srcBox.front, dstBox.back - DstZ);
srcBox = { srcBox.left, srcBox.top, srcBox.front,
srcBox.left + w, srcBox.top + h, srcBox.front + d };
dstBox = { DstX, DstY, DstZ,
DstX + w, DstY + h, DstZ + d };
if (!w || !h || !d)
return S_OK;
/* Check if we can map the destination resource immediately. The
* engine creates all buffers that cause the severe stalls right
* before mapping them, so this should succeed. */
D3D11_MAPPED_SUBRESOURCE dstSr;
D3D11_MAPPED_SUBRESOURCE srcSr;
HRESULT hr = DXGI_ERROR_WAS_STILL_DRAWING;
if (dstInfo.Usage == D3D11_USAGE_DYNAMIC) {
/* Don't bother with dynamic images etc., haven't seen a situation where it's relevant */
if (dstInfo.Dim == D3D11_RESOURCE_DIMENSION_BUFFER && w == dstInfo.Width)
hr = pContext->Map(pDstResource, DstSubresource, D3D11_MAP_WRITE_DISCARD, 0, &dstSr);
} else {
hr = pContext->Map(pDstResource, DstSubresource, D3D11_MAP_WRITE, D3D11_MAP_FLAG_DO_NOT_WAIT, &dstSr);
}
if (FAILED(hr)) {
if (hr != DXGI_ERROR_WAS_STILL_DRAWING) {
log("Failed to map destination resource, hr 0x", std::hex, hr);
log("Resource dim ", dstInfo.Dim, ", size ", dstInfo.Width , "x", dstInfo.Height, ", usage ", dstInfo.Usage);
}
return hr;
}
ID3D11Resource* shadowResource = nullptr;
if (!isCpuReadableResource(&srcInfo)) {
shadowResource = getOrCreateShadowResource(pContext, pSrcResource);
hr = pContext->Map(shadowResource, SrcSubresource, D3D11_MAP_READ, 0, &srcSr);
if (FAILED(hr)) {
shadowResource->Release();
log("Failed to map shadow resource, hr 0x", std::hex, hr);
pContext->Unmap(pDstResource, DstSubresource);
return hr;
}
} else {
hr = pContext->Map(pSrcResource, SrcSubresource, D3D11_MAP_READ, 0, &srcSr);
if (FAILED(hr)) {
log("Failed to map source resource, hr 0x", std::hex, hr);
log("Resource dim ", srcInfo.Dim, ", size ", srcInfo.Width , "x", srcInfo.Height, ", usage ", srcInfo.Usage);
pContext->Unmap(pDstResource, DstSubresource);
return hr;
}
}
/* Do the copy */
if (dstInfo.Dim == D3D11_RESOURCE_DIMENSION_BUFFER) {
std::memcpy(
ptroffset(dstSr.pData, dstBox.left),
ptroffset(srcSr.pData, srcBox.left), w);
} else {
uint32_t formatSize = getFormatPixelSize(dstInfo.Format);
for (uint32_t z = 0; z < d; z++) {
for (uint32_t y = 0; y < h; y++) {
uint32_t dstOffset = (dstBox.left) * formatSize
+ (dstBox.top + y) * dstSr.RowPitch
+ (dstBox.front + z) * dstSr.DepthPitch;
uint32_t srcOffset = (srcBox.left) * formatSize
+ (srcBox.top + y) * srcSr.RowPitch
+ (srcBox.front + z) * srcSr.DepthPitch;
std::memcpy(
ptroffset(dstSr.pData, dstOffset),
ptroffset(srcSr.pData, srcOffset),
w * formatSize);
}
}
}
pContext->Unmap(pDstResource, DstSubresource);
if (shadowResource) {
pContext->Unmap(shadowResource, SrcSubresource);
shadowResource->Release();
} else {
pContext->Unmap(pSrcResource, SrcSubresource);
}
return S_OK;
}
void STDMETHODCALLTYPE ID3D11DeviceContext_CopyResource(
ID3D11DeviceContext* pContext,
ID3D11Resource* pDstResource,
ID3D11Resource* pSrcResource) {
auto procs = getContextProcs(pContext);
ID3D11Resource* dstShadow = getShadowResource(pDstResource);
bool needsBaseCopy = true;
bool needsShadowCopy = true;
if (isImmediatecontext(pContext)) {
HRESULT hr = tryCpuCopy(pContext, pDstResource,
0, 0, 0, 0, pSrcResource, 0, nullptr);
needsBaseCopy = FAILED(hr);
if (!needsBaseCopy && dstShadow) {
hr = tryCpuCopy(pContext, dstShadow,
0, 0, 0, 0, pSrcResource, 0, nullptr);
needsShadowCopy = FAILED(hr);
}
}
if (needsBaseCopy)
procs->CopyResource(pContext, pDstResource, pSrcResource);
if (dstShadow) {
if (needsShadowCopy)
procs->CopyResource(pContext, dstShadow, pSrcResource);
dstShadow->Release();
}
}
void STDMETHODCALLTYPE ID3D11DeviceContext_CopySubresourceRegion(
ID3D11DeviceContext* pContext,
ID3D11Resource* pDstResource,
UINT DstSubresource,
UINT DstX,
UINT DstY,
UINT DstZ,
ID3D11Resource* pSrcResource,
UINT SrcSubresource,
const D3D11_BOX* pSrcBox) {
auto procs = getContextProcs(pContext);
ID3D11Resource* dstShadow = getShadowResource(pDstResource);
bool needsBaseCopy = true;
bool needsShadowCopy = true;
if (isImmediatecontext(pContext)) {
HRESULT hr = tryCpuCopy(pContext,
pDstResource, DstSubresource, DstX, DstY, DstZ,
pSrcResource, SrcSubresource, pSrcBox);
needsBaseCopy = FAILED(hr);
if (!needsBaseCopy && dstShadow) {
hr = tryCpuCopy(pContext,
dstShadow, DstSubresource, DstX, DstY, DstZ,
pSrcResource, SrcSubresource, pSrcBox);
needsShadowCopy = FAILED(hr);
}
}
if (needsBaseCopy) {
procs->CopySubresourceRegion(pContext,
pDstResource, DstSubresource, DstX, DstY, DstZ,
pSrcResource, SrcSubresource, pSrcBox);
}
if (dstShadow) {
if (needsShadowCopy) {
ATFIX_RESOURCE_INFO srcInfo = { };
getResourceInfo(pSrcResource, &srcInfo);
procs->CopySubresourceRegion(pContext,
dstShadow, DstSubresource, DstX, DstY, DstZ,
pSrcResource, SrcSubresource, pSrcBox);
}
dstShadow->Release();
}
}
void STDMETHODCALLTYPE ID3D11DeviceContext_CopyStructureCount(
ID3D11DeviceContext* pContext,
ID3D11Buffer* pDstBuffer,
UINT DstOffset,
ID3D11UnorderedAccessView* pSrcUav) {
auto procs = getContextProcs(pContext);
procs->CopyStructureCount(pContext, pDstBuffer, DstOffset, pSrcUav);
ID3D11Resource* shadowResource = getShadowResource(pDstBuffer);
ID3D11Buffer* shadowBuffer = nullptr;
if (shadowResource) {
shadowResource->QueryInterface(IID_PPV_ARGS(&shadowBuffer));
shadowResource->Release();
procs->CopyStructureCount(pContext, shadowBuffer, DstOffset, pSrcUav);
shadowBuffer->Release();
}
}
void STDMETHODCALLTYPE ID3D11DeviceContext_Dispatch(
ID3D11DeviceContext* pContext,
UINT X,
UINT Y,
UINT Z) {
auto procs = getContextProcs(pContext);
procs->Dispatch(pContext, X, Y, Z);
updateUavShadowResources(pContext);
}
void STDMETHODCALLTYPE ID3D11DeviceContext_DispatchIndirect(
ID3D11DeviceContext* pContext,
ID3D11Buffer* pParameterBuffer,
UINT pParameterOffset) {
auto procs = getContextProcs(pContext);
procs->DispatchIndirect(pContext, pParameterBuffer, pParameterOffset);
updateUavShadowResources(pContext);
}
void STDMETHODCALLTYPE ID3D11DeviceContext_OMSetRenderTargets(
ID3D11DeviceContext* pContext,
UINT RTVCount,
ID3D11RenderTargetView* const* ppRTVs,
ID3D11DepthStencilView* pDSV) {
auto procs = getContextProcs(pContext);
updateRtvShadowResources(pContext);
procs->OMSetRenderTargets(pContext, RTVCount, ppRTVs, pDSV);
}
void STDMETHODCALLTYPE ID3D11DeviceContext_OMSetRenderTargetsAndUnorderedAccessViews(
ID3D11DeviceContext* pContext,
UINT RTVCount,
ID3D11RenderTargetView* const* ppRTVs,
ID3D11DepthStencilView* pDSV,
UINT UAVIndex,
UINT UAVCount,
ID3D11UnorderedAccessView* const* ppUAVs,
const UINT* pUAVClearValues) {
auto procs = getContextProcs(pContext);
updateRtvShadowResources(pContext);
procs->OMSetRenderTargetsAndUnorderedAccessViews(pContext,
RTVCount, ppRTVs, pDSV, UAVIndex, UAVCount, ppUAVs, pUAVClearValues);
}
void STDMETHODCALLTYPE ID3D11DeviceContext_UpdateSubresource(
ID3D11DeviceContext* pContext,
ID3D11Resource* pResource,
UINT Subresource,
const D3D11_BOX* pBox,
const void* pData,
UINT RowPitch,
UINT SlicePitch) {
auto procs = getContextProcs(pContext);
procs->UpdateSubresource(pContext, pResource,
Subresource, pBox, pData, RowPitch, SlicePitch);
ID3D11Resource* shadowResource = getShadowResource(pResource);
if (shadowResource) {
procs->UpdateSubresource(pContext, shadowResource,
Subresource, pBox, pData, RowPitch, SlicePitch);
shadowResource->Release();
}
}
#define HOOK_PROC(iface, object, table, index, proc) \
hookProc(object, #iface "::" #proc, &table->proc, &iface ## _ ## proc, index)
template<typename T>
void hookProc(void* pObject, const char* pName, T** ppOrig, T* pHook, uint32_t index) {
void** vtbl = *reinterpret_cast<void***>(pObject);
MH_STATUS mh = MH_CreateHook(vtbl[index],
reinterpret_cast<void*>(pHook),
reinterpret_cast<void**>(ppOrig));
if (mh) {
if (mh != MH_ERROR_ALREADY_CREATED)
log("Failed to create hook for ", pName, ": ", MH_StatusToString(mh));
return;
}
mh = MH_EnableHook(vtbl[index]);
if (mh) {
log("Failed to enable hook for ", pName, ": ", MH_StatusToString(mh));
return;
}
log("Created hook for ", pName, " @ ", reinterpret_cast<void*>(pHook));
}
void hookDevice(ID3D11Device* pDevice) {
std::lock_guard lock(g_hookMutex);
if (g_installedHooks & HOOK_DEVICE)
return;
log("Hooking device ", pDevice);
DeviceProcs* procs = &g_deviceProcs;
HOOK_PROC(ID3D11Device, pDevice, procs, 3, CreateBuffer);
HOOK_PROC(ID3D11Device, pDevice, procs, 27, CreateDeferredContext);
HOOK_PROC(ID3D11Device, pDevice, procs, 4, CreateTexture1D);
HOOK_PROC(ID3D11Device, pDevice, procs, 5, CreateTexture2D);
HOOK_PROC(ID3D11Device, pDevice, procs, 6, CreateTexture3D);
g_installedHooks |= HOOK_DEVICE;
}
void hookContext(ID3D11DeviceContext* pContext) {
std::lock_guard lock(g_hookMutex);
uint32_t flag = HOOK_IMM_CTX;
ContextProcs* procs = &g_immContextProcs;
if (!isImmediatecontext(pContext)) {
flag = HOOK_DEF_CTX;
procs = &g_defContextProcs;
}
if (g_installedHooks & flag)