//-----------------------------------------------------------------------------
void CPUTMeshDX11::Unmap(
ID3D11Buffer *pBuffer,
ID3D11Buffer *pStagingBuffer,
eCPUTMapType *pMappedType,
CPUTRenderParameters ¶ms
)
{
ASSERT( *pMappedType != CPUT_MAP_UNDEFINED, "Can't unmap a buffer that isn't mapped." );
ID3D11DeviceContext *pContext = CPUT_DX11::GetContext();
pContext->Unmap( pStagingBuffer, 0 );
// If we were mapped for write, then copy staging buffer to GPU
switch( *pMappedType )
{
case CPUT_MAP_READ:
break;
case CPUT_MAP_READ_WRITE:
case CPUT_MAP_WRITE:
case CPUT_MAP_WRITE_DISCARD:
case CPUT_MAP_NO_OVERWRITE:
pContext->CopyResource( pBuffer, pStagingBuffer );
break;
};
} // CPUTMeshDX11::Unmap()
void MSAAFilter::RenderAA()
{
PIXEvent pixEvent(L"MSAA Resolve + Temporal AA");
ProfileBlock profileBlock(L"MSAA Resolve + Temporal AA");
ID3D11DeviceContext* context = deviceManager.ImmediateContext();
ID3D11RenderTargetView* rtvs[1] = { resolveTarget.RTView };
context->OMSetRenderTargets(1, rtvs, nullptr);
if(AppSettings::UseStandardResolve)
{
if(AppSettings::MSAAMode == 0)
context->CopyResource(resolveTarget.Texture, colorTarget.Texture);
else
context->ResolveSubresource(resolveTarget.Texture, 0, colorTarget.Texture, 0, colorTarget.Format);
return;
}
const uint32 SampleRadius = static_cast<uint32>((AppSettings::ResolveFilterDiameter / 2.0f) + 0.499f);
ID3D11PixelShader* pixelShader = resolvePS[AppSettings::MSAAMode];
context->PSSetShader(pixelShader, nullptr, 0);
context->VSSetShader(resolveVS, nullptr, 0);
resolveConstants.Data.TextureSize = Float2(static_cast<float>(colorTarget.Width), static_cast<float>(colorTarget.Height));
resolveConstants.Data.SampleRadius = SampleRadius;;
resolveConstants.ApplyChanges(context);
resolveConstants.SetPS(context, 0);
ID3D11ShaderResourceView* srvs[] = { colorTarget.SRView, velocityTarget.SRView, depthBuffer.SRView, prevFrameTarget.SRView};
context->PSSetShaderResources(0, ArraySize_(srvs), srvs);
ID3D11SamplerState* samplers[] = { samplerStates.LinearClamp(), samplerStates.Point() };
context->PSSetSamplers(0, ArraySize_(samplers), samplers);
ID3D11Buffer* vbs[1] = { nullptr };
UINT strides[1] = { 0 };
UINT offsets[1] = { 0 };
context->IASetVertexBuffers(0, 1, vbs, strides, offsets);
context->IASetInputLayout(nullptr);
context->IASetIndexBuffer(nullptr, DXGI_FORMAT_R16_UINT, 0);
context->Draw(3, 0);
rtvs[0] = nullptr;
context->OMSetRenderTargets(1, rtvs, nullptr);
srvs[0] = srvs[1] = srvs[2] = nullptr;
context->PSSetShaderResources(0, 3, srvs);
context->CopyResource(prevFrameTarget.Texture, resolveTarget.Texture);
}
void DX11ScratchStructuredArray::Refresh(ID3D11DeviceContext& context) {
// Read back the result into staging memory
context.CopyResource(readback_buffer_.Get(), buffer_.Get());
// Copy the staging memory buffer into system memory buffer
D3D11_MAPPED_SUBRESOURCE subresource;
context.Map(readback_buffer_.Get(),
0, // Map everything
D3D11_MAP_READ,
0,
&subresource);
auto size = element_size_ * element_count_;
memcpy_s(raw_buffer_,
size,
subresource.pData,
size);
context.Unmap(readback_buffer_.Get(),
0);
}
//-----------------------------------------------------------------------------
void CPUTMeshDX11::Unmap(
ID3D11Buffer *pBuffer,
ID3D11Buffer *pStagingBuffer,
eCPUTMapType *pMappedType,
CPUTRenderParameters ¶ms
)
{
ASSERT( *pMappedType != CPUT_MAP_UNDEFINED, _L("Can't unmap a buffer that isn't mapped.") );
CPUTRenderParametersDX *pParamsDX11 = (CPUTRenderParametersDX*)¶ms;
ID3D11DeviceContext *pContext = pParamsDX11->mpContext;
pContext->Unmap( pStagingBuffer, 0 );
// If we were mapped for write, then copy staging buffer to GPU
switch( *pMappedType )
{
case CPUT_MAP_READ:
break;
case CPUT_MAP_READ_WRITE:
case CPUT_MAP_WRITE:
case CPUT_MAP_WRITE_DISCARD:
case CPUT_MAP_NO_OVERWRITE:
pContext->CopyResource( pBuffer, pStagingBuffer );
break;
};
// *pMappedType = CPUT_MAP_UNDEFINED; // TODO: Just commented this out. Otherwise, assert in Map() fails. Verify.
} // CPUTMeshDX11::Unmap()
void checkPixelsUsingD3D(bool usingPresentPathFast)
{
ASSERT_NE(nullptr, mOffscreenSurfaceD3D11Texture);
D3D11_TEXTURE2D_DESC textureDesc = {0};
ID3D11Device *device;
ID3D11DeviceContext *context;
mOffscreenSurfaceD3D11Texture->GetDesc(&textureDesc);
mOffscreenSurfaceD3D11Texture->GetDevice(&device);
device->GetImmediateContext(&context);
ASSERT_NE(nullptr, device);
ASSERT_NE(nullptr, context);
textureDesc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
textureDesc.Usage = D3D11_USAGE_STAGING;
textureDesc.BindFlags = 0;
textureDesc.MiscFlags = 0;
ID3D11Texture2D *cpuTexture = nullptr;
ASSERT_TRUE(SUCCEEDED(device->CreateTexture2D(&textureDesc, nullptr, &cpuTexture)));
context->CopyResource(cpuTexture, mOffscreenSurfaceD3D11Texture);
D3D11_MAPPED_SUBRESOURCE mappedSubresource;
context->Map(cpuTexture, 0, D3D11_MAP_READ, 0, &mappedSubresource);
ASSERT_EQ(static_cast<UINT>(mWindowWidth * 4), mappedSubresource.RowPitch);
ASSERT_EQ(static_cast<UINT>(mWindowWidth * mWindowWidth * 4), mappedSubresource.DepthPitch);
angle::GLColor *byteData = reinterpret_cast<angle::GLColor *>(mappedSubresource.pData);
// Note that the texture is in BGRA format, although the GLColor struct is RGBA
GLColor expectedTopLeftPixel = GLColor(0, 0, 255, 255); // Red
GLColor expectedTopRightPixel = GLColor(0, 255, 0, 255); // Green
GLColor expectedBottomLeftPixel = GLColor(255, 0, 0, 255); // Blue
GLColor expectedBottomRightPixel = GLColor(0, 255, 255, 255); // Red + Green
if (usingPresentPathFast)
{
// Invert the expected values
GLColor tempTopLeft = expectedTopLeftPixel;
GLColor tempTopRight = expectedTopRightPixel;
expectedTopLeftPixel = expectedBottomLeftPixel;
expectedTopRightPixel = expectedBottomRightPixel;
expectedBottomLeftPixel = tempTopLeft;
expectedBottomRightPixel = tempTopRight;
}
EXPECT_EQ(expectedTopLeftPixel, byteData[0]);
EXPECT_EQ(expectedTopRightPixel, byteData[(mWindowWidth - 1)]);
EXPECT_EQ(expectedBottomLeftPixel, byteData[(mWindowWidth - 1) * mWindowWidth]);
EXPECT_EQ(expectedBottomRightPixel,
byteData[(mWindowWidth - 1) * mWindowWidth + (mWindowWidth - 1)]);
context->Unmap(cpuTexture, 0);
SafeRelease(cpuTexture);
SafeRelease(device);
SafeRelease(context);
}
//
// Read the pixel content of a sprite.
//
uint8_t * SpriteUtils::ReadPixels(
ID3D11DeviceContext2 * context,
ID3D11Device2 * device,
ID3D11Texture2D * texture,
int * dimensions)
{
HBITMAP hBitmapTexture = NULL;
ID3D11Texture2D* d3dtex = (ID3D11Texture2D*)texture;
D3D11_TEXTURE2D_DESC desc;
d3dtex->GetDesc(&desc);
ID3D11Texture2D* pNewTexture = NULL;
D3D11_TEXTURE2D_DESC description;
d3dtex->GetDesc(&description);
description.BindFlags = 0;
description.CPUAccessFlags = D3D11_CPU_ACCESS_READ | D3D11_CPU_ACCESS_WRITE;
description.Usage = D3D11_USAGE_STAGING;
HRESULT hr = device->CreateTexture2D(&description, NULL, &pNewTexture);
ID3D11DeviceContext* ctx = NULL;
device->GetImmediateContext(&ctx);
ctx->CopyResource(pNewTexture, d3dtex);
D3D11_MAPPED_SUBRESOURCE resource;
UINT subresource = D3D11CalcSubresource(0, 0, 0);
ctx->Map(pNewTexture, subresource, D3D11_MAP_READ_WRITE, 0, &resource);
// COPY from texture to bitmap buffer
uint8_t* sptr = reinterpret_cast<uint8_t*>(resource.pData);
uint8_t* dptr = new uint8_t[desc.Width * desc.Height * 4];
for (size_t h = 0; h < desc.Height; ++h)
{
size_t msize = std::min<size_t>(desc.Width * 4, resource.RowPitch);
memcpy_s(dptr, desc.Width * 4, sptr, msize);
sptr += resource.RowPitch;
dptr += desc.Width * 4;
}
dptr -= desc.Width*desc.Height * 4;
ctx->Unmap(pNewTexture, subresource);
// SWAP BGR to RGB bitmap
// Notice the capital "P". dptr vs dPtr.
uint32_t * dPtr = reinterpret_cast<uint32_t*>(dptr);
*(dimensions + WIDTH_INDEX) = desc.Width;
*(dimensions + HEIGHT_INDEX) = desc.Height;
return dptr;
}
void* UAVBufferD3D::map()
{
if(!gpuBuffer)
{
LOGFUNCERROR("No SRV created");
return nullptr;
}
ID3D11DeviceContext* context = device->getImmediate();
context->CopyResource(stagingBuffer, gpuBuffer);
D3D11_MAPPED_SUBRESOURCE mapped;
HRESULT result = context->Map(stagingBuffer, 0, D3D11_MAP_READ_WRITE, 0, &mapped);
if(FAILED(result)) return nullptr;
return mapped.pData;
}
void CD3DTexture::SaveTexture()
{
if (m_texture)
{
delete[] m_data;
m_data = nullptr;
ID3D11DeviceContext* pContext = g_Windowing.GetImmediateContext();
D3D11_TEXTURE2D_DESC textureDesc;
m_texture->GetDesc(&textureDesc);
ID3D11Texture2D* texture = nullptr;
if (textureDesc.Usage != D3D11_USAGE_STAGING || 0 == (textureDesc.CPUAccessFlags & D3D11_CPU_ACCESS_READ))
{
// create texture which can be readed by CPU - D3D11_USAGE_STAGING
CD3D11_TEXTURE2D_DESC stagingDesc(textureDesc);
stagingDesc.Usage = D3D11_USAGE_STAGING;
stagingDesc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
stagingDesc.BindFlags = 0;
if (FAILED(g_Windowing.Get3D11Device()->CreateTexture2D(&stagingDesc, NULL, &texture)))
return;
// copy contents to new texture
pContext->CopyResource(texture, m_texture);
}
else
texture = m_texture;
// read data from texture
D3D11_MAPPED_SUBRESOURCE res;
if (SUCCEEDED(pContext->Map(texture, 0, D3D11_MAP_READ, 0, &res)))
{
m_pitch = res.RowPitch;
unsigned int memUsage = GetMemoryUsage(res.RowPitch);
m_data = new unsigned char[memUsage];
memcpy(m_data, res.pData, memUsage);
pContext->Unmap(texture, 0);
}
else
CLog::Log(LOGERROR, "%s - Failed to store resource.", __FUNCTION__);
if (texture != m_texture)
SAFE_RELEASE(texture);
}
}
void CD3DBuffer::OnDestroyDevice(bool fatal)
{
if (fatal)
{
SAFE_RELEASE(m_buffer);
return;
}
ID3D11Device* pDevice = g_Windowing.Get3D11Device();
ID3D11DeviceContext* pContext = g_Windowing.GetImmediateContext();
if (!pDevice || !pContext || !m_buffer)
return;
D3D11_BUFFER_DESC srcDesc;
m_buffer->GetDesc(&srcDesc);
ID3D11Buffer *buffer = nullptr;
if (srcDesc.Usage != D3D11_USAGE_STAGING || 0 == (srcDesc.CPUAccessFlags & D3D11_CPU_ACCESS_READ))
{
CD3D11_BUFFER_DESC trgDesc(srcDesc);
trgDesc.Usage = D3D11_USAGE_STAGING;
trgDesc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
trgDesc.BindFlags = 0;
if (SUCCEEDED(pDevice->CreateBuffer(&trgDesc, NULL, &buffer)))
pContext->CopyResource(buffer, m_buffer);
}
else
buffer = m_buffer;
if (buffer != nullptr)
{
D3D11_MAPPED_SUBRESOURCE res;
if (SUCCEEDED(pContext->Map(buffer, 0, D3D11_MAP_READ, 0, &res)))
{
m_data = new unsigned char[srcDesc.ByteWidth];
memcpy(m_data, res.pData, srcDesc.ByteWidth);
pContext->Unmap(buffer, 0);
}
}
if (buffer != m_buffer)
SAFE_RELEASE(buffer);
SAFE_RELEASE(m_buffer);
}
void ActorPicker::PostRender(void)
{
//todo: move to renderer
D3D11_MAPPED_SUBRESOURCE res;
ID3D11DeviceContext* ctx = (ID3D11DeviceContext*)CmGetApp()->VGetRenderer()->VGetContext();
ID3D11Resource* dst = (ID3D11Resource*)m_pTexture->VGetDevicePtr();
ID3D11Resource* src = (ID3D11Resource*)m_pRenderTarget->VGetTexture()->VGetDevicePtr();
ctx->CopyResource(dst, src);
D3D_SAVE_CALL(ctx->Map(dst, 0, D3D11_MAP_READ, 0, &res));
m_currentActor = ((uint*)(res.pData))[0];
ctx->Unmap(dst, 0);
IConstShaderBuffer* buffer = CmGetApp()->VGetHumanView()->VGetRenderer()->VGetConstShaderBuffer(chimera::eSelectedActorIdBuffer);
uint* b = (uint*)buffer->VMap();
b[0] = m_currentActor;
buffer->VUnmap();
}
void CRenderCaptureDX::EndRender()
{
// send commands to the GPU queue
g_Windowing.FinishCommandList();
ID3D11DeviceContext* pContext = g_Windowing.GetImmediateContext();
pContext->CopyResource(m_copySurface, m_renderTexture);
if (m_query)
{
pContext->End(m_query);
}
if (m_flags & CAPTUREFLAG_IMMEDIATELY)
SurfaceToBuffer();
else
SetState(CAPTURESTATE_NEEDSREADOUT);
}
void CRenderCaptureDX::EndRender()
{
// send commands to the GPU queue
auto deviceResources = DX::DeviceResources::Get();
deviceResources->FinishCommandList();
ID3D11DeviceContext* pContext = deviceResources->GetImmediateContext();
pContext->CopyResource(m_copyTex.Get(), m_renderTex.Get());
if (m_query)
{
pContext->End(m_query);
}
if (m_flags & CAPTUREFLAG_IMMEDIATELY)
SurfaceToBuffer();
else
SetState(CAPTURESTATE_NEEDSREADOUT);
}
Void D3D11Texture1D::Copy( D3D11Texture1D * pDstTexture, D3D11DeferredContext * pContext ) const
{
DebugAssert( IsCreated() && pDstTexture->IsCreated() );
DebugAssert( !m_bLocked && !(pDstTexture->m_bLocked) );
DebugAssert( pDstTexture->CanGPUWrite() );
DebugAssert( pDstTexture != this );
DebugAssert( m_hTextureDesc.Format == pDstTexture->m_hTextureDesc.Format );
DebugAssert( m_hTextureDesc.Width == pDstTexture->m_hTextureDesc.Width );
DebugAssert( m_hTextureDesc.MipLevels == pDstTexture->m_hTextureDesc.MipLevels );
DebugAssert( m_hTextureDesc.ArraySize == pDstTexture->m_hTextureDesc.ArraySize );
ID3D11DeviceContext * pDeviceContext = m_pRenderer->m_pImmediateContext;
if ( pContext != NULL && pContext->IsCreated() )
pDeviceContext = pContext->m_pDeferredContext;
pDeviceContext->CopyResource( pDstTexture->m_pTexture, m_pTexture );
}
//-----------------------------------------------------------------------------
void CPUTTextureDX11::UnmapTexture( CPUTRenderParameters ¶ms )
{
ASSERT( mMappedType != CPUT_MAP_UNDEFINED, _L("Can't unmap a render target that isn't mapped.") );
CPUTRenderParametersDX *pParamsDX11 = (CPUTRenderParametersDX*)¶ms;
ID3D11DeviceContext *pContext = pParamsDX11->mpContext;
pContext->Unmap( mpTextureStaging, 0 );
// If we were mapped for write, then copy staging buffer to GPU
switch( mMappedType )
{
case CPUT_MAP_READ:
break;
case CPUT_MAP_READ_WRITE:
case CPUT_MAP_WRITE:
case CPUT_MAP_WRITE_DISCARD:
case CPUT_MAP_NO_OVERWRITE:
pContext->CopyResource( mpTexture, mpTextureStaging );
break;
};
} // CPUTTextureDX11::Unmap()
//-----------------------------------------------------------------------------
void CPUTRenderTargetDepth::UnmapRenderTarget( CPUTRenderParameters ¶ms )
{
ASSERT( mMappedType != CPUT_MAP_UNDEFINED, "Can't unmap a render target that isn't mapped." );
ID3D11DeviceContext *pContext = CPUT_DX11::GetContext();
pContext->Unmap( mpDepthTextureDXStaging, 0 );
// If we were mapped for write, then copy staging buffer to GPU
switch( mMappedType )
{
case CPUT_MAP_READ:
break;
case CPUT_MAP_READ_WRITE:
case CPUT_MAP_WRITE:
case CPUT_MAP_WRITE_DISCARD:
case CPUT_MAP_NO_OVERWRITE:
pContext->CopyResource( mpDepthTextureDX, mpDepthTextureDXStaging );
break;
};
// mMappedType = CPUT_MAP_UNDEFINED;
} // CPUTRenderTargetDepth::Unmap()
//-----------------------------------------------------------------------------
D3D11_MAPPED_SUBRESOURCE CPUTTextureDX11::MapTexture( CPUTRenderParameters ¶ms, eCPUTMapType type, bool wait )
{
// Mapping for DISCARD requires dynamic buffer. Create dynamic copy?
// Could easily provide input flag. But, where would we specify? Don't like specifying in the .set file
// Because mapping is something the application wants to do - it isn't inherent in the data.
// Could do Clone() and pass dynamic flag to that.
// But, then we have two. Could always delete the other.
// Could support programatic flag - apply to all loaded models in the .set
// Could support programatic flag on model. Load model first, then load set.
// For now, simply support CopyResource mechanism.
HRESULT hr;
ID3D11Device *pD3dDevice = CPUT_DX11::GetDevice();
CPUTRenderParametersDX *pParamsDX11 = (CPUTRenderParametersDX*)¶ms;
ID3D11DeviceContext *pContext = pParamsDX11->mpContext;
if( !mpTextureStaging )
{
// Annoying. We need to create the texture differently, based on dimension.
D3D11_RESOURCE_DIMENSION dimension;
mpTexture->GetType(&dimension);
switch( dimension )
{
case D3D11_RESOURCE_DIMENSION_TEXTURE1D:
{
D3D11_TEXTURE1D_DESC desc;
((ID3D11Texture1D*)mpTexture)->GetDesc( &desc );
desc.Usage = D3D11_USAGE_STAGING;
switch( type )
{
case CPUT_MAP_READ:
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
desc.BindFlags = 0;
break;
case CPUT_MAP_READ_WRITE:
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ | D3D11_CPU_ACCESS_WRITE;
desc.BindFlags = 0;
break;
case CPUT_MAP_WRITE:
case CPUT_MAP_WRITE_DISCARD:
case CPUT_MAP_NO_OVERWRITE:
desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
desc.BindFlags = 0;
break;
};
hr = pD3dDevice->CreateTexture1D( &desc, NULL, (ID3D11Texture1D**)&mpTextureStaging );
ASSERT( SUCCEEDED(hr), _L("Failed to create staging texture") );
break;
}
case D3D11_RESOURCE_DIMENSION_TEXTURE2D:
{
D3D11_TEXTURE2D_DESC desc;
((ID3D11Texture2D*)mpTexture)->GetDesc( &desc );
desc.Usage = D3D11_USAGE_STAGING;
switch( type )
{
case CPUT_MAP_READ:
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
desc.BindFlags = 0;
break;
case CPUT_MAP_READ_WRITE:
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ | D3D11_CPU_ACCESS_WRITE;
desc.BindFlags = 0;
break;
case CPUT_MAP_WRITE:
case CPUT_MAP_WRITE_DISCARD:
case CPUT_MAP_NO_OVERWRITE:
desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
desc.BindFlags = 0;
break;
};
hr = pD3dDevice->CreateTexture2D( &desc, NULL, (ID3D11Texture2D**)&mpTextureStaging );
ASSERT( SUCCEEDED(hr), _L("Failed to create staging texture") );
break;
}
case D3D11_RESOURCE_DIMENSION_TEXTURE3D:
{
D3D11_TEXTURE3D_DESC desc;
((ID3D11Texture3D*)mpTexture)->GetDesc( &desc );
desc.Usage = D3D11_USAGE_STAGING;
switch( type )
{
case CPUT_MAP_READ:
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
desc.BindFlags = 0;
break;
case CPUT_MAP_READ_WRITE:
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ | D3D11_CPU_ACCESS_WRITE;
desc.BindFlags = 0;
break;
case CPUT_MAP_WRITE:
case CPUT_MAP_WRITE_DISCARD:
case CPUT_MAP_NO_OVERWRITE:
desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
desc.BindFlags = 0;
break;
};
hr = pD3dDevice->CreateTexture3D( &desc, NULL, (ID3D11Texture3D**)&mpTextureStaging );
ASSERT( SUCCEEDED(hr), _L("Failed to create staging texture") );
break;
}
default:
ASSERT(0, _L("Unkown texture dimension") );
break;
}
}
else
{
ASSERT( mMappedType == type, _L("Mapping with a different CPU access than creation parameter.") );
}
D3D11_MAPPED_SUBRESOURCE info;
switch( type )
{
case CPUT_MAP_READ:
case CPUT_MAP_READ_WRITE:
// TODO: Copying and immediately mapping probably introduces a stall.
// Expose the copy externally?
// TODO: copy only if changed?
// Copy only first time?
// Copy the GPU version before we read from it.
pContext->CopyResource( mpTextureStaging, mpTexture );
break;
};
hr = pContext->Map( mpTextureStaging, wait ? 0 : D3D11_MAP_FLAG_DO_NOT_WAIT, (D3D11_MAP)type, 0, &info );
mMappedType = type;
return info;
} // CPUTTextureDX11::Map()
void UAVBufferD3D::unmap()
{
ID3D11DeviceContext* context = device->getImmediate();
context->Unmap(stagingBuffer, 0);
context->CopyResource(gpuBuffer, stagingBuffer);
}
void D3D11Grab(ID3D11Texture2D *pBackBuffer) {
D3D11_TEXTURE2D_DESC tex_desc;
pBackBuffer->GetDesc(&tex_desc);
ID3D11Device *pDev;
pBackBuffer->GetDevice(&pDev);
ID3D11DeviceContext * pDevContext;
pDev->GetImmediateContext(&pDevContext);
ID3D11Texture2D * pTexture;
D3D11_MAPPED_SUBRESOURCE mappedTexture;
tex_desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
tex_desc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
tex_desc.ArraySize = 1;
tex_desc.MipLevels = 1;
tex_desc.BindFlags = 0;
tex_desc.SampleDesc.Count = 1;
tex_desc.SampleDesc.Quality = 0;
tex_desc.Usage = D3D11_USAGE_STAGING;
tex_desc.MiscFlags = 0;
HRESULT hr = pDev->CreateTexture2D(&tex_desc, NULL, &pTexture);
// reportLog(EVENTLOG_INFORMATION_TYPE, L"d3d11 pDev->CreateTexture2D 0x%x", hr);
pDevContext->CopyResource(pTexture, pBackBuffer);
D3D11_BOX box = {0, 0, tex_desc.Width, tex_desc.Height, 0, 1};
pDevContext->CopySubresourceRegion(pTexture, 0, 0, 0, 0, pBackBuffer, 0, &box);
DxgiFrameGrabber *dxgiFrameGrabber = DxgiFrameGrabber::getInstance();
IPCContext *ipcContext = dxgiFrameGrabber->m_ipcContext;
Logger *logger = dxgiFrameGrabber->m_logger;
// __asm__("int $3");
if (S_OK != (hr = pDevContext->Map(pTexture, D3D11CalcSubresource(0, 0, 1), D3D11_MAP_READ, 0, &mappedTexture))) {
logger->reportLogError(L"d3d11 couldn't map texture, hresult = 0x%x", hr);
goto end;
}
ipcContext->m_memDesc.width = tex_desc.Width;
ipcContext->m_memDesc.height = tex_desc.Height;
ipcContext->m_memDesc.rowPitch = mappedTexture.RowPitch;
ipcContext->m_memDesc.frameId++;
// reportLog(EVENTLOG_INFORMATION_TYPE, L"d3d11 texture description. width: %u, height: %u, pitch: %u", tex_desc.Width, tex_desc.Height, mappedTexture.RowPitch);
DWORD errorcode;
if (WAIT_OBJECT_0 == (errorcode = WaitForSingleObject(ipcContext->m_hMutex, 0))) {
// __asm__("int $3");
// reportLog(EVENTLOG_INFORMATION_TYPE, L"d3d11 writing description to mem mapped file");
memcpy(ipcContext->m_pMemMap, &ipcContext->m_memDesc, sizeof (ipcContext->m_memDesc));
// reportLog(EVENTLOG_INFORMATION_TYPE, L"d3d11 writing data to mem mapped file");
PVOID pMemDataMap = incPtr(ipcContext->m_pMemMap, sizeof (ipcContext->m_memDesc));
if (mappedTexture.RowPitch == tex_desc.Width * 4) {
memcpy(pMemDataMap, mappedTexture.pData, tex_desc.Width * tex_desc.Height * 4);
} else {
UINT i = 0, cleanOffset = 0, pitchOffset = 0;
while (i < tex_desc.Height) {
memcpy(incPtr(pMemDataMap, cleanOffset), incPtr(mappedTexture.pData, pitchOffset), tex_desc.Width * 4);
cleanOffset += tex_desc.Width * 4;
pitchOffset += mappedTexture.RowPitch;
i++;
}
}
ReleaseMutex(ipcContext->m_hMutex);
SetEvent(ipcContext->m_hFrameGrabbedEvent);
} else {
logger->reportLogError(L"d3d11 couldn't wait mutex. errocode = 0x%x", errorcode);
}
pDevContext->Unmap(pTexture, D3D10CalcSubresource(0, 0, 1));
end:
pTexture->Release();
pDevContext->Release();
pDev->Release();
}
int _tmain(int /*argc*/, _TCHAR* /*argv[]*/)
{
// GROUP_SIZE_X defined in kernel.hlsl must match the
// groupSize declared here.
size_t const groupSize = 512;
size_t const numGroups = 16;
size_t const dimension = numGroups*groupSize;
// Create a D3D11 device and immediate context.
// TODO: The code below uses the default video adapter, with the
// default set of feature levels. Please see the MSDN docs if
// you wish to control which adapter and feature level are used.
D3D_FEATURE_LEVEL featureLevel;
ID3D11Device* device = nullptr;
ID3D11DeviceContext* context = nullptr;
HRESULT hr = D3D11CreateDevice(NULL, D3D_DRIVER_TYPE_HARDWARE, NULL,
NULL, NULL, 0, D3D11_SDK_VERSION, &device,
&featureLevel, &context);
if (FAILED(hr))
{
printf("D3D11CreateDevice failed with return code %x\n", hr);
return hr;
}
// Create system memory and fill it with our initial data. Note that
// these data structures aren't really necessary , it's just a demonstration
// of how you can take existing data structures you might have and copy
// their data to/from GPU computations.
std::vector<float> x(dimension);
std::vector<float> y(dimension);
std::vector<float> z(dimension);
float const a = 2.0f;
for (size_t i = 0; i < dimension; ++ i)
{
x[i] = static_cast<float>(i);
y[i] = 100 - static_cast<float>(i);
}
// Create structured buffers for the "x" and "y" vectors.
D3D11_BUFFER_DESC inputBufferDesc;
inputBufferDesc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
// The buffers are read-only by the GPU, writeable by the CPU.
// TODO: If you will never again upate the data in a GPU buffer,
// you might want to look at using a D3D11_SUBRESOURCE_DATA here to
// provide the initialization data instead of doing the mapping
// and copying that happens below.
inputBufferDesc.Usage = D3D11_USAGE_DYNAMIC;
inputBufferDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
inputBufferDesc.MiscFlags = D3D11_RESOURCE_MISC_BUFFER_STRUCTURED;
inputBufferDesc.StructureByteStride = sizeof(float);
inputBufferDesc.ByteWidth = sizeof(float) * dimension;
ID3D11Buffer* xBuffer = nullptr;
hr = device->CreateBuffer(&inputBufferDesc, NULL, &xBuffer);
if (FAILED(hr))
{
printf("CreateBuffer failed for x buffer with return code %x\n", hr);
return hr;
}
// We can re-use inputBufferDesc here because the layout and usage of the x
// and y buffers is exactly the same.
ID3D11Buffer* yBuffer = nullptr;
hr = device->CreateBuffer(&inputBufferDesc, NULL, &yBuffer);
if (FAILED(hr))
{
printf("CreateBuffer failed for x buffer with return code %x\n", hr);
return hr;
}
// Create shader resource views for the "x" and "y" buffers.
// TODO: You can optionally provide a D3D11_SHADER_RESOURCE_VIEW_DESC
// as the second parameter if you need to use only part of the buffer
// inside the compute shader.
ID3D11ShaderResourceView* xSRV = nullptr;
hr = device->CreateShaderResourceView(xBuffer, NULL, &xSRV);
if (FAILED(hr))
{
printf("CreateShaderResourceView failed for x buffer with return code %x\n", hr);
return hr;
}
ID3D11ShaderResourceView* ySRV = nullptr;
hr = device->CreateShaderResourceView(yBuffer, NULL, &ySRV);
if (FAILED(hr))
{
printf("CreateShaderResourceView failed for y buffer with return code %x\n", hr);
return hr;
}
// Create a structured buffer for the "z" vector. This buffer needs to be
// writeable by the GPU, so we can't create it with CPU read/write access.
D3D11_BUFFER_DESC outputBufferDesc;
outputBufferDesc.BindFlags = D3D11_BIND_UNORDERED_ACCESS
| D3D11_BIND_SHADER_RESOURCE;
outputBufferDesc.Usage = D3D11_USAGE_DEFAULT;
outputBufferDesc.CPUAccessFlags = 0;
outputBufferDesc.MiscFlags = D3D11_RESOURCE_MISC_BUFFER_STRUCTURED;
outputBufferDesc.StructureByteStride = sizeof(float);
outputBufferDesc.ByteWidth = sizeof(float) * dimension;
ID3D11Buffer* zBuffer = nullptr;
hr = device->CreateBuffer(&outputBufferDesc, NULL, &zBuffer);
if (FAILED(hr))
{
printf("CreateBuffer failed for z buffer with return code %x\n", hr);
return hr;
}
// Create an unordered access view for the "z" vector.
D3D11_UNORDERED_ACCESS_VIEW_DESC outputUAVDesc;
outputUAVDesc.Buffer.FirstElement = 0;
outputUAVDesc.Buffer.Flags = 0;
outputUAVDesc.Buffer.NumElements = dimension;
outputUAVDesc.Format = DXGI_FORMAT_UNKNOWN;
outputUAVDesc.ViewDimension = D3D11_UAV_DIMENSION_BUFFER;
ID3D11UnorderedAccessView* zBufferUAV;
hr = device->CreateUnorderedAccessView(zBuffer,
&outputUAVDesc, &zBufferUAV);
if (FAILED(hr))
{
printf("CreateUnorderedAccessView failed for z buffer with return code %x\n", hr);
return hr;
}
// Create a staging buffer, which will be used to copy back from zBuffer.
D3D11_BUFFER_DESC stagingBufferDesc;
stagingBufferDesc.BindFlags = 0;
stagingBufferDesc.Usage = D3D11_USAGE_STAGING;
stagingBufferDesc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
stagingBufferDesc.MiscFlags = D3D11_RESOURCE_MISC_BUFFER_STRUCTURED;
stagingBufferDesc.StructureByteStride = sizeof(float);
stagingBufferDesc.ByteWidth = sizeof(float) * dimension;
ID3D11Buffer* stagingBuffer;
hr = device->CreateBuffer(&stagingBufferDesc, NULL, &stagingBuffer);
if (FAILED(hr))
{
printf("CreateBuffer failed for staging buffer with return code %x\n", hr);
return hr;
}
// Create a constant buffer (this buffer is used to pass the constant
// value 'a' to the kernel as cbuffer Constants).
D3D11_BUFFER_DESC cbDesc;
cbDesc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
cbDesc.Usage = D3D11_USAGE_DYNAMIC;
cbDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
cbDesc.MiscFlags = 0;
// Even though the constant buffer only has one float, DX expects
// ByteWidth to be a multiple of 4 floats (i.e., one 128-bit register).
cbDesc.ByteWidth = sizeof(float)*4;
ID3D11Buffer* constantBuffer = nullptr;
hr = device->CreateBuffer( &cbDesc, NULL, &constantBuffer);
if (FAILED(hr))
{
printf("CreateBuffer failed for constant buffer with return code %x\n", hr);
return hr;
}
// Map the constant buffer and set the constant value 'a'.
D3D11_MAPPED_SUBRESOURCE mappedResource;
context->Map(constantBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedResource);
float* constants = reinterpret_cast<float*>(mappedResource.pData);
constants[0] = a;
constants = nullptr;
context->Unmap(constantBuffer, 0);
// Map the x buffer and copy our data into it.
context->Map(xBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedResource);
float* xvalues = reinterpret_cast<float*>(mappedResource.pData);
memcpy(xvalues, &x[0], sizeof(float)*x.size());
xvalues = nullptr;
context->Unmap(xBuffer, 0);
// Map the y buffer and copy our data into it.
context->Map(yBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedResource);
float* yvalues = reinterpret_cast<float*>(mappedResource.pData);
memcpy(yvalues, &y[0], sizeof(float)*y.size());
yvalues = nullptr;
context->Unmap(yBuffer, 0);
// Compile the compute shader into a blob.
ID3DBlob* errorBlob = nullptr;
ID3DBlob* shaderBlob = nullptr;
hr = D3DX11CompileFromFile(L"kernel.hlsl", NULL, NULL, "saxpy", "cs_4_0",
D3D10_SHADER_ENABLE_STRICTNESS, 0, NULL, &shaderBlob, &errorBlob, NULL);
if (FAILED(hr))
{
// Print out the error message if there is one.
if (errorBlob)
{
char const* message = (char*)errorBlob->GetBufferPointer();
printf("kernel.hlsl failed to compile; error message:\n");
printf("%s\n", message);
errorBlob->Release();
}
return hr;
}
// Create a shader object from the compiled blob.
ID3D11ComputeShader* computeShader;
hr = device->CreateComputeShader(shaderBlob->GetBufferPointer(),
shaderBlob->GetBufferSize(), NULL, &computeShader);
if (FAILED(hr))
{
printf("CreateComputeShader failed with return code %x\n", hr);
return hr;
}
// Make the shader active.
context->CSSetShader(computeShader, NULL, 0);
// Attach the z buffer to the output via its unordered access view.
UINT initCounts = 0xFFFFFFFF;
context->CSSetUnorderedAccessViews(0, 1, &zBufferUAV, &initCounts);
// Attach the input buffers via their shader resource views.
context->CSSetShaderResources(0, 1, &xSRV);
context->CSSetShaderResources(1, 1, &ySRV);
// Attach the constant buffer
context->CSSetConstantBuffers(0, 1, &constantBuffer);
// Execute the shader, in 'numGroups' groups of 'groupSize' threads each.
context->Dispatch(numGroups, 1, 1);
// Copy the z buffer to the staging buffer so that we can
// retrieve the data for accesss by the CPU.
context->CopyResource(stagingBuffer, zBuffer);
// Map the staging buffer for reading.
context->Map(stagingBuffer, 0, D3D11_MAP_READ, 0, &mappedResource);
float* zData = reinterpret_cast<float*>(mappedResource.pData);
memcpy(&z[0], zData, sizeof(float)*z.size());
zData = nullptr;
context->Unmap(stagingBuffer, 0);
// Now compare the GPU results against expected values.
bool resultOK = true;
for (size_t i = 0; i < x.size(); ++ i)
{
// NOTE: This comparison assumes the GPU produces *exactly* the
// same result as the CPU. In general, this will not be the case
// with floating-point calculations.
float const expected = a*x[i] + y[i];
if (z[i] != expected)
{
printf("Unexpected result at position %lu: expected %.7e, got %.7e\n",
i, expected, z[i]);
resultOK = false;
}
}
if (!resultOK)
{
printf("GPU results differed from the CPU results.\n");
OutputDebugStringA("GPU results differed from the CPU results.\n");
return 1;
}
printf("GPU output matched the CPU results.\n");
OutputDebugStringA("GPU output matched the CPU results.\n");
// Disconnect everything from the pipeline.
ID3D11UnorderedAccessView* nullUAV = nullptr;
context->CSSetUnorderedAccessViews( 0, 1, &nullUAV, &initCounts);
ID3D11ShaderResourceView* nullSRV = nullptr;
context->CSSetShaderResources(0, 1, &nullSRV);
context->CSSetShaderResources(1, 1, &nullSRV);
ID3D11Buffer* nullBuffer = nullptr;
context->CSSetConstantBuffers(0, 1, &nullBuffer);
// Release resources. Again, note that none of the error checks above
// release resources that have been allocated up to this point, so the
// sample doesn't clean up after itself correctly unless everything succeeds.
computeShader->Release();
shaderBlob->Release();
constantBuffer->Release();
stagingBuffer->Release();
zBufferUAV->Release();
zBuffer->Release();
xSRV->Release();
xBuffer->Release();
ySRV->Release();
yBuffer->Release();
context->Release();
device->Release();
return 0;
}
//-----------------------------------------------------------------------------
D3D11_MAPPED_SUBRESOURCE CPUTMeshDX11::Map(
UINT count,
ID3D11Buffer *pBuffer,
D3D11_BUFFER_DESC &bufferDesc,
ID3D11Buffer **pStagingBuffer,
eCPUTMapType *pMappedType,
CPUTRenderParameters ¶ms,
eCPUTMapType type,
bool wait
)
{
// Mapping for DISCARD requires dynamic buffer. Create dynamic copy?
// Could easily provide input flag. But, where would we specify? Don't like specifying in the .set file
// Because mapping is something the application wants to do - it isn't inherent in the data.
// Could do Clone() and pass dynamic flag to that.
// But, then we have two. Could always delete the other.
// Could support programatic flag - apply to all loaded models in the .set
// Could support programatic flag on model. Load model first, then load set.
// For now, simply support CopyResource mechanism.
HRESULT hr;
ID3D11Device *pD3dDevice = CPUT_DX11::GetDevice();
CPUTRenderParametersDX *pParamsDX11 = (CPUTRenderParametersDX*)¶ms;
ID3D11DeviceContext *pContext = pParamsDX11->mpContext;
if( !*pStagingBuffer )
{
D3D11_BUFFER_DESC desc = bufferDesc;
// First time. Create the staging resource
desc.Usage = D3D11_USAGE_STAGING;
switch( type )
{
case CPUT_MAP_READ:
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
desc.BindFlags = 0;
break;
case CPUT_MAP_READ_WRITE:
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ | D3D11_CPU_ACCESS_WRITE;
desc.BindFlags = 0;
break;
case CPUT_MAP_WRITE:
case CPUT_MAP_WRITE_DISCARD:
case CPUT_MAP_NO_OVERWRITE:
desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
desc.BindFlags = 0;
break;
};
hr = pD3dDevice->CreateBuffer( &desc, NULL, pStagingBuffer );
ASSERT( SUCCEEDED(hr), _L("Failed to create staging buffer") );
CPUTSetDebugName( *pStagingBuffer, _L("Mesh Staging buffer") );
}
else
{
ASSERT( *pMappedType == type, _L("Mapping with a different CPU access than creation parameter.") );
}
D3D11_MAPPED_SUBRESOURCE info;
switch( type )
{
case CPUT_MAP_READ:
case CPUT_MAP_READ_WRITE:
// TODO: Copying and immediately mapping probably introduces a stall.
// Expose the copy externally?
// TODO: copy only if vb has changed?
// Copy only first time?
// Copy the GPU version before we read from it.
pContext->CopyResource( *pStagingBuffer, pBuffer );
break;
};
hr = pContext->Map( *pStagingBuffer, wait ? 0 : D3D11_MAP_FLAG_DO_NOT_WAIT, (D3D11_MAP)type, 0, &info );
*pMappedType = type;
return info;
} // CPUTMeshDX11::Map()
bool CScreenshotSurface::capture()
{
#if defined(TARGET_RASPBERRY_PI)
g_RBP.GetDisplaySize(m_width, m_height);
m_buffer = g_RBP.CaptureDisplay(m_width, m_height, &m_stride, true, false);
if (!m_buffer)
return false;
#elif defined(HAS_DX)
g_graphicsContext.Lock();
if (g_application.m_pPlayer->IsPlayingVideo())
{
#ifdef HAS_VIDEO_PLAYBACK
g_renderManager.SetupScreenshot();
#endif
}
g_application.RenderNoPresent();
g_Windowing.FinishCommandList();
ID3D11DeviceContext* pImdContext = g_Windowing.GetImmediateContext();
ID3D11DeviceContext* pContext = g_Windowing.Get3D11Context();
ID3D11Device* pDevice = g_Windowing.Get3D11Device();
ID3D11RenderTargetView* pRTView = nullptr;
pContext->OMGetRenderTargets(1, &pRTView, nullptr);
if (pRTView == nullptr)
return false;
ID3D11Resource *pRTResource = nullptr;
pRTView->GetResource(&pRTResource);
SAFE_RELEASE(pRTView);
ID3D11Texture2D* pCopyTexture = nullptr;
ID3D11Texture2D* pRTTexture = nullptr;
HRESULT hr = pRTResource->QueryInterface(__uuidof(ID3D11Texture2D), reinterpret_cast<void**>(&pRTTexture));
SAFE_RELEASE(pRTResource);
if (FAILED(hr))
return false;
D3D11_TEXTURE2D_DESC desc;
pRTTexture->GetDesc(&desc);
desc.Usage = D3D11_USAGE_STAGING;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
desc.BindFlags = 0;
if (SUCCEEDED(pDevice->CreateTexture2D(&desc, nullptr, &pCopyTexture)))
{
// take copy
pImdContext->CopyResource(pCopyTexture, pRTTexture);
D3D11_MAPPED_SUBRESOURCE res;
if (SUCCEEDED(pImdContext->Map(pCopyTexture, 0, D3D11_MAP_READ, 0, &res)))
{
m_width = desc.Width;
m_height = desc.Height;
m_stride = res.RowPitch;
m_buffer = new unsigned char[m_height * m_stride];
memcpy(m_buffer, res.pData, m_height * m_stride);
pImdContext->Unmap(pCopyTexture, 0);
}
else
CLog::Log(LOGERROR, "%s: MAP_READ failed.", __FUNCTION__);
SAFE_RELEASE(pCopyTexture);
}
SAFE_RELEASE(pRTTexture);
g_graphicsContext.Unlock();
#elif defined(HAS_GL) || defined(HAS_GLES)
g_graphicsContext.BeginPaint();
if (g_application.m_pPlayer->IsPlayingVideo())
{
#ifdef HAS_VIDEO_PLAYBACK
g_renderManager.SetupScreenshot();
#endif
}
g_application.RenderNoPresent();
#ifndef HAS_GLES
glReadBuffer(GL_BACK);
#endif
//get current viewport
GLint viewport[4];
glGetIntegerv(GL_VIEWPORT, viewport);
m_width = viewport[2] - viewport[0];
m_height = viewport[3] - viewport[1];
m_stride = m_width * 4;
unsigned char* surface = new unsigned char[m_stride * m_height];
//read pixels from the backbuffer
#if HAS_GLES == 2
glReadPixels(viewport[0], viewport[1], viewport[2], viewport[3], GL_RGBA, GL_UNSIGNED_BYTE, (GLvoid*)surface);
#else
glReadPixels(viewport[0], viewport[1], viewport[2], viewport[3], GL_BGRA, GL_UNSIGNED_BYTE, (GLvoid*)surface);
#endif
g_graphicsContext.EndPaint();
//make a new buffer and copy the read image to it with the Y axis inverted
m_buffer = new unsigned char[m_stride * m_height];
for (int y = 0; y < m_height; y++)
{
#ifdef HAS_GLES
// we need to save in BGRA order so XOR Swap RGBA -> BGRA
unsigned char* swap_pixels = surface + (m_height - y - 1) * m_stride;
for (int x = 0; x < m_width; x++, swap_pixels+=4)
{
std::swap(swap_pixels[0], swap_pixels[2]);
}
#endif
memcpy(m_buffer + y * m_stride, surface + (m_height - y - 1) *m_stride, m_stride);
}
delete [] surface;
#if defined(HAS_LIBAMCODEC)
// Captures the current visible videobuffer and blend it into m_buffer (captured overlay)
CScreenshotAML::CaptureVideoFrame(m_buffer, m_width, m_height);
#endif
#ifdef HAS_IMXVPU
// Captures the current visible framebuffer page and blends it into the
// captured GL overlay
g_IMXContext.CaptureDisplay(m_buffer, m_width, m_height);
#endif
#else
//nothing to take a screenshot from
return false;
#endif
return true;
}
void DoD3D11Capture(IDXGISwapChain *swap)
{
ID3D11Device *device = NULL;
HRESULT chi;
if(SUCCEEDED(chi = swap->GetDevice(__uuidof(ID3D11Device), (void**)&device)))
{
if(!lpCurrentDevice)
{
lpCurrentDevice = device;
/*FARPROC curRelease = GetVTable(device, (8/4));
if(curRelease != newD3D11Release)
{
oldD3D11Release = curRelease;
newD3D11Release = (FARPROC)DeviceReleaseHook;
SetVTable(device, (8/4), newD3D11Release);
}*/
}
ID3D11DeviceContext *context;
device->GetImmediateContext(&context);
if(bCapturing && bStopRequested)
{
ClearD3D11Data();
bCapturing = false;
bStopRequested = false;
}
if(!bCapturing && WaitForSingleObject(hSignalRestart, 0) == WAIT_OBJECT_0)
{
hwndOBS = FindWindow(OBS_WINDOW_CLASS, NULL);
if(hwndOBS)
bCapturing = true;
}
if(!bHasTextures && bCapturing)
{
if(dxgiFormat && hwndOBS)
{
BOOL bSuccess = DoD3D11Hook(device);
if(bSuccess)
{
d3d11CaptureInfo.mapID = InitializeSharedMemoryGPUCapture(&texData);
if(!d3d11CaptureInfo.mapID)
{
RUNONCE logOutput << "SwapPresentHook: creation of shared memory failed" << endl;
bSuccess = false;
}
}
if(bSuccess)
{
bHasTextures = true;
d3d11CaptureInfo.captureType = CAPTURETYPE_SHAREDTEX;
d3d11CaptureInfo.bFlip = FALSE;
texData->texHandle = (DWORD)sharedHandle;
memcpy(infoMem, &d3d11CaptureInfo, sizeof(CaptureInfo));
SetEvent(hSignalReady);
logOutput << "DoD3D11Hook: success" << endl;
}
else
{
ClearD3D11Data();
}
}
}
if(bHasTextures)
{
LONGLONG timeVal = OSGetTimeMicroseconds();
//check keep alive state, dumb but effective
if(bCapturing)
{
if((timeVal-keepAliveTime) > 3000000)
{
HANDLE hKeepAlive = OpenEvent(EVENT_ALL_ACCESS, FALSE, strKeepAlive.c_str());
if (hKeepAlive) {
CloseHandle(hKeepAlive);
} else {
ClearD3D11Data();
bCapturing = false;
}
keepAliveTime = timeVal;
}
}
LONGLONG frameTime;
if(bCapturing)
{
if(texData)
{
if(frameTime = texData->frameTime)
{
LONGLONG timeElapsed = timeVal-lastTime;
if(timeElapsed >= frameTime)
{
if(!IsWindow(hwndOBS))
{
hwndOBS = NULL;
bStopRequested = true;
}
if(WaitForSingleObject(hSignalEnd, 0) == WAIT_OBJECT_0)
bStopRequested = true;
lastTime += frameTime;
if(timeElapsed > frameTime*2)
lastTime = timeVal;
DWORD nextCapture = curCapture == 0 ? 1 : 0;
ID3D11Resource *backBuffer = NULL;
if(SUCCEEDED(swap->GetBuffer(0, IID_ID3D11Resource, (void**)&backBuffer)))
{
if(bIsMultisampled)
context->ResolveSubresource(copyTextureGame, 0, backBuffer, 0, dxgiFormat);
else
context->CopyResource(copyTextureGame, backBuffer);
backBuffer->Release();
}
curCapture = nextCapture;
}
}
}
}
else
ClearD3D11Data();
}
device->Release();
context->Release();
}
}
//===============================================================================================================================
bool TextureManager::loadTexture(BetterString filename, ID3D11Texture2D** texture, int& textureDataSize, byte*& srcTextureData, TextureType tt)
{
ID3D11Device* device = mD3DSystem->GetDevice11();
ID3D11DeviceContext* immediateContext = mD3DSystem->GetDeviceContext();
ID3D11Texture2D* tempTexture;
//string file = "Textures\\";
//file += filename.toString();
HRESULT hr = E_FAIL;
unique_ptr<wchar_t> name = filename.ToWideStr();
switch (tt)
{
case DDS:
{
hr = CreateDDSTextureFromFile(device, name.get(), (ID3D11Resource **)texture, NULL);
}
break;
//case TGA:
case PNG:
{
hr = CreateWICTextureFromFile(device, name.get(), (ID3D11Resource **)texture, NULL);
}
break;
}
//if(SUCCEEDED(D3DX11CreateTextureFromFile(device, file.c_str(), NULL, NULL, (ID3D11Resource **)texture, NULL)))
if(SUCCEEDED(hr))
{
// Load the texture and store it
GetTexture(filename, tt);
D3D11_TEXTURE2D_DESC desc;
(*texture)->GetDesc(&desc);
// To keep it simple, we limit the textures we load to RGBA 8bits per channel
if(desc.Format != DXGI_FORMAT_R8G8B8A8_UNORM)
{
OutputDebugStringA( "We want to read a simple RGBA texture 8 bits per channel but the required texture has a different format." );
return false;
}
desc.Usage = D3D11_USAGE_STAGING;
desc.BindFlags = 0;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
if (device->CreateTexture2D(&desc, NULL, &tempTexture) != S_OK)
return false;
immediateContext->CopyResource(tempTexture, *texture);
D3D11_MAPPED_SUBRESOURCE mappedResource;
if (immediateContext->Map(tempTexture, 0, D3D11_MAP_READ, 0, &mappedResource) != S_OK)
return false;
textureDataSize = mappedResource.RowPitch * desc.Height;
if(srcTextureData)
delete [] srcTextureData;
srcTextureData = new byte[textureDataSize];
memcpy(srcTextureData, mappedResource.pData, textureDataSize);
immediateContext->Unmap(tempTexture, 0);
return true;
}
else
return false;
}
// Detour function that replaces the IDXGISwapChain::Present() API
DllExport HRESULT __stdcall
hook_DXGISwapChainPresent(
IDXGISwapChain * This,
UINT SyncInterval,
UINT Flags
)
{
static int frame_interval;
static LARGE_INTEGER initialTv, captureTv, freq;
static int capture_initialized = 0;
//
int i;
struct pooldata *data;
struct vsource_frame *frame;
//
DXGI_SWAP_CHAIN_DESC pDESC;
HRESULT hr = pDXGISwapChainPresent(This, SyncInterval, Flags);
if(resolution_retrieved == 0) {
if(DXGI_get_resolution(This) >= 0) {
resolution_retrieved = 1;
}
return hr;
}
if(vsource_initialized == 0) {
ga_error("video source not initialized.\n");
return hr;
}
This->GetDesc(&pDESC);
pDXGI_FORMAT = pDESC.BufferDesc.Format; // extract screen format for sws_scale
if(pDESC.BufferDesc.Width != game_width
|| pDESC.BufferDesc.Height != game_height) {
ga_error("game width/height mismatched (%dx%d) != (%dx%d)\n",
pDESC.BufferDesc.Width, pDESC.BufferDesc.Height,
game_width, game_height);
return hr;
}
//
if (enable_server_rate_control && ga_hook_video_rate_control() < 0)
return hr;
if (dx_version == dx_none) {
//bool check_result = FALSE;
if (check_dx_device_version(This, IID_ID3D10Device)) {
dx_version = dx_10;
ga_error("[DXGISwapChain] DirectX 10\n");
} else if (check_dx_device_version(This, IID_ID3D10Device1)) {
dx_version = dx_10_1;
ga_error("[DXGISwapChain] DirectX 10.1\n");
} else if (check_dx_device_version(This, IID_ID3D11Device)) {
dx_version = dx_11;
ga_error("[DXGISwapChain] DirectX 11\n");
}
}
if (capture_initialized == 0) {
frame_interval = 1000000/video_fps; // in the unif of us
frame_interval++;
QueryPerformanceFrequency(&freq);
QueryPerformanceCounter(&initialTv);
capture_initialized = 1;
} else {
QueryPerformanceCounter(&captureTv);
}
hr = 0;
// d3d10 / d3d10.1
if (dx_version == dx_10 || dx_version == dx_10_1) {
void *ppDevice;
ID3D10Device *pDevice;
//IUnknown *pDevice;
if (dx_version == dx_10) {
This->GetDevice(IID_ID3D10Device, &ppDevice);
pDevice = (ID3D10Device *)ppDevice;
} else if (dx_version == dx_10_1) {
This->GetDevice(IID_ID3D10Device1, &ppDevice);
pDevice = (ID3D10Device1 *)ppDevice;
} else {
OutputDebugString("Invalid DirectX version in IDXGISwapChain::Present");
return hr;
}
ID3D10RenderTargetView *pRTV = NULL;
ID3D10Resource *pSrcResource = NULL;
pDevice->OMGetRenderTargets(1, &pRTV, NULL);
pRTV->GetResource(&pSrcResource);
ID3D10Texture2D* pSrcBuffer = (ID3D10Texture2D *)pSrcResource;
ID3D10Texture2D* pDstBuffer = NULL;
D3D10_TEXTURE2D_DESC desc;
pSrcBuffer->GetDesc(&desc);
desc.BindFlags = 0;
desc.CPUAccessFlags = D3D10_CPU_ACCESS_READ;
desc.Usage = D3D10_USAGE_STAGING;
hr = pDevice->CreateTexture2D(&desc, NULL, &pDstBuffer);
if (FAILED(hr)) {
OutputDebugString("Failed to create texture2D");
//assert(exp_state == exp_none);
}
pDevice->CopyResource(pDstBuffer, pSrcBuffer);
D3D10_MAPPED_TEXTURE2D mapped_screen;
hr = pDstBuffer->Map(0, D3D10_MAP_READ, 0, &mapped_screen);
if (FAILED(hr)) {
OutputDebugString("Failed to map from DstBuffer");
//assert(exp_state == exp_none);
}
// copy image
do {
unsigned char *src, *dst;
data = g_pipe[0]->allocate_data();
frame = (struct vsource_frame*) data->ptr;
frame->pixelformat = PIX_FMT_BGRA;
frame->realwidth = desc.Width;
frame->realheight = desc.Height;
frame->realstride = desc.Width<<2;
frame->realsize = frame->realwidth * frame->realstride;
frame->linesize[0] = frame->realstride;//frame->stride;
//
src = (unsigned char*) mapped_screen.pData;
dst = (unsigned char*) frame->imgbuf;
for (i = 0; i < encoder_height; i++) {
CopyMemory(dst, src, frame->realstride/*frame->stride*/);
src += mapped_screen.RowPitch;
dst += frame->realstride;//frame->stride;
}
frame->imgpts = pcdiff_us(captureTv, initialTv, freq)/frame_interval;
} while(0);
// duplicate from channel 0 to other channels
for(i = 1; i < SOURCES; i++) {
int j;
struct pooldata *dupdata;
struct vsource_frame *dupframe;
dupdata = g_pipe[i]->allocate_data();
dupframe = (struct vsource_frame*) dupdata->ptr;
//
vsource_dup_frame(frame, dupframe);
//
g_pipe[i]->store_data(dupdata);
g_pipe[i]->notify_all();
}
g_pipe[0]->store_data(data);
g_pipe[0]->notify_all();
pDstBuffer->Unmap(0);
pDevice->Release();
pSrcResource->Release();
pSrcBuffer->Release();
pRTV->Release();
pDstBuffer->Release();
// d11
} else if (dx_version == dx_11) {
void *ppDevice;
This->GetDevice(IID_ID3D11Device, &ppDevice);
ID3D11Device *pDevice = (ID3D11Device*) ppDevice;
This->GetDevice(IID_ID3D11DeviceContext, &ppDevice);
ID3D11DeviceContext *pDeviceContext = (ID3D11DeviceContext *) ppDevice;
ID3D11RenderTargetView *pRTV = NULL;
ID3D11Resource *pSrcResource = NULL;
pDeviceContext->OMGetRenderTargets(1, &pRTV, NULL);
pRTV->GetResource(&pSrcResource);
ID3D11Texture2D *pSrcBuffer = (ID3D11Texture2D *)pSrcResource;
ID3D11Texture2D *pDstBuffer = NULL;
D3D11_TEXTURE2D_DESC desc;
pSrcBuffer->GetDesc(&desc);
desc.BindFlags = 0;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
desc.Usage = D3D11_USAGE_STAGING;
hr = pDevice->CreateTexture2D(&desc, NULL, &pDstBuffer);
if (FAILED(hr)) {
OutputDebugString("Failed to create buffer");
//assert(exp_state == exp_none);
}
pDeviceContext->CopyResource(pDstBuffer, pSrcBuffer);
D3D11_MAPPED_SUBRESOURCE mapped_screen;
hr = pDeviceContext->Map(pDstBuffer, 0, D3D11_MAP_READ, 0, &mapped_screen);
if (FAILED(hr)) {
OutputDebugString("Failed to map from DeviceContext");
//assert(exp_state == exp_none);
}
// copy image
do {
unsigned char *src, *dst;
data = g_pipe[0]->allocate_data();
frame = (struct vsource_frame*) data->ptr;
frame->pixelformat = PIX_FMT_BGRA;
frame->realwidth = desc.Width;
frame->realheight = desc.Height;
frame->realstride = desc.Width<<2;
frame->realsize = frame->realwidth * frame->realstride;
frame->linesize[0] = frame->realstride;//frame->stride;
//
src = (unsigned char*) mapped_screen.pData;
dst = (unsigned char*) frame->imgbuf;
for (i = 0; i < encoder_height; i++) {
CopyMemory(dst, src, frame->realstride/*frame->stride*/);
src += mapped_screen.RowPitch;
dst += frame->realstride;//frame->stride;
}
frame->imgpts = pcdiff_us(captureTv, initialTv, freq)/frame_interval;
} while(0);
// duplicate from channel 0 to other channels
for(i = 1; i < SOURCES; i++) {
int j;
struct pooldata *dupdata;
struct vsource_frame *dupframe;
dupdata = g_pipe[i]->allocate_data();
dupframe = (struct vsource_frame*) dupdata->ptr;
//
vsource_dup_frame(frame, dupframe);
//
g_pipe[i]->store_data(dupdata);
g_pipe[i]->notify_all();
}
g_pipe[0]->store_data(data);
g_pipe[0]->notify_all();
pDeviceContext->Unmap(pDstBuffer, 0);
pDevice->Release();
pDeviceContext->Release();
pSrcResource->Release();
pSrcBuffer->Release();
pRTV->Release();
pDstBuffer->Release();
}
return hr;
}
//-----------------------------------------------------------------------------
D3D11_MAPPED_SUBRESOURCE CPUTRenderTargetDepth::MapRenderTarget( CPUTRenderParameters ¶ms, eCPUTMapType type, bool wait )
{
// Mapping for DISCARD requires dynamic buffer. Create dynamic copy?
// Could easily provide input flag. But, where would we specify? Don't like specifying in the .set file
// Because mapping is something the application wants to do - it isn't inherent in the data.
// Could do Clone() and pass dynamic flag to that.
// But, then we have two. Could always delete the other.
// Could support programatic flag - apply to all loaded models in the .set
// Could support programatic flag on model. Load model first, then load set.
// For now, simply support CopyResource mechanism.
HRESULT hr;
ID3D11Device *pD3dDevice = CPUT_DX11::GetDevice();
ID3D11DeviceContext *pContext = CPUT_DX11::GetContext();
if( !mpDepthTextureDXStaging )
{
CD3D11_TEXTURE2D_DESC desc = mDepthDesc;
// First time. Create the staging resource
desc.Usage = D3D11_USAGE_STAGING;
switch( type )
{
case CPUT_MAP_READ:
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
desc.BindFlags = 0;
break;
case CPUT_MAP_READ_WRITE:
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ | D3D11_CPU_ACCESS_WRITE;
desc.BindFlags = 0;
break;
case CPUT_MAP_WRITE:
case CPUT_MAP_WRITE_DISCARD:
case CPUT_MAP_NO_OVERWRITE:
desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
desc.BindFlags = 0;
break;
};
HRESULT hr = pD3dDevice->CreateTexture2D( &desc, NULL, &mpDepthTextureDXStaging );
ASSERT( SUCCEEDED(hr), "Failed to create staging texture" );
CPUTSetDebugName( mpDepthTextureDXStaging, "Staging buffer" );
UNREFERENCED_PARAMETER(hr);
}
else
{
ASSERT( mMappedType == type, "Mapping with a different CPU access than creation parameter." );
}
D3D11_MAPPED_SUBRESOURCE info;
switch( type )
{
case CPUT_MAP_READ:
case CPUT_MAP_READ_WRITE:
// TODO: Copying and immediately mapping probably introduces a stall.
// Expose the copy externally?
// TODO: copy only if vb has changed?
// Copy only first time?
// Copy the GPU version before we read from it.
// pContext->CopyResource( mpDepthTextureDXStaging, (mMultiSampleCount>1) ? mpDepthTextureDXMSAA : mpDepthTextureDX);
// TODO: Do we (can we) support MSAA depth
pContext->CopyResource( mpDepthTextureDXStaging, mpDepthTextureDX );
break;
};
hr = pContext->Map( mpDepthTextureDXStaging, wait ? 0 : D3D11_MAP_FLAG_DO_NOT_WAIT, (D3D11_MAP)type, 0, &info );
mMappedType = type;
return info;
} // CPUTRenderTargetDepth::Map()
HRESULT STDMETHODCALLTYPE D3D11SwapPresentHook(IDXGISwapChain *swap, UINT syncInterval, UINT flags)
{
if(lpCurrentSwap == NULL && !bTargetAcquired)
{
lpCurrentSwap = swap;
SetupD3D11(swap);
bTargetAcquired = true;
}
if(lpCurrentSwap == swap)
{
ID3D11Device *device = NULL;
HRESULT chi;
if(SUCCEEDED(chi = swap->GetDevice(__uuidof(ID3D11Device), (void**)&device)))
{
if(!lpCurrentDevice)
{
lpCurrentDevice = device;
/*FARPROC curRelease = GetVTable(device, (8/4));
if(curRelease != newD3D11Release)
{
oldD3D11Release = curRelease;
newD3D11Release = (FARPROC)DeviceReleaseHook;
SetVTable(device, (8/4), newD3D11Release);
}*/
}
ID3D11DeviceContext *context;
device->GetImmediateContext(&context);
if(bCapturing && bStopRequested)
{
ClearD3D11Data();
bStopRequested = false;
}
if(!bHasTextures && bCapturing)
{
if(dxgiFormat)
{
if(!hwndReceiver)
hwndReceiver = FindWindow(RECEIVER_WINDOWCLASS, NULL);
if(hwndReceiver)
{
BOOL bSuccess = DoD3D11Hook(device);
if(bSuccess)
{
d3d11CaptureInfo.mapID = InitializeSharedMemoryGPUCapture(&texData);
if(!d3d11CaptureInfo.mapID)
{
RUNONCE logOutput << "SwapPresentHook: creation of shared memory failed" << endl;
bSuccess = false;
}
}
if(bSuccess)
bSuccess = IsWindow(hwndReceiver);
if(bSuccess)
{
bHasTextures = true;
d3d11CaptureInfo.captureType = CAPTURETYPE_SHAREDTEX;
d3d11CaptureInfo.hwndSender = hwndSender;
d3d11CaptureInfo.bFlip = FALSE;
texData->texHandles[0] = sharedHandles[0];
texData->texHandles[1] = sharedHandles[1];
PostMessage(hwndReceiver, RECEIVER_NEWCAPTURE, 0, (LPARAM)&d3d11CaptureInfo);
logOutput << "DoD3D11Hook: success";
}
else
{
ClearD3D11Data();
}
}
}
}
if(bHasTextures)
{
LONGLONG frameTime;
if(bCapturing)
{
if(texData)
{
if(frameTime = texData->frameTime)
{
LONGLONG timeVal = OSGetTimeMicroseconds();
LONGLONG timeElapsed = timeVal-lastTime;
if(timeElapsed >= frameTime)
{
lastTime += frameTime;
if(timeElapsed > frameTime*2)
lastTime = timeVal;
DWORD nextCapture = curCapture == 0 ? 1 : 0;
ID3D11Resource *backBuffer = NULL;
if(SUCCEEDED(swap->GetBuffer(0, IID_ID3D11Resource, (void**)&backBuffer)))
{
if(bIsMultisampled)
context->ResolveSubresource(copyTextureGame, 0, backBuffer, 0, dxgiFormat);
else
context->CopyResource(copyTextureGame, backBuffer);
ID3D10Texture2D *outputTexture = NULL;
int lastRendered = -1;
if(keyedMutexes[curCapture]->AcquireSync(0, 0) == WAIT_OBJECT_0)
lastRendered = (int)curCapture;
else if(keyedMutexes[nextCapture]->AcquireSync(0, 0) == WAIT_OBJECT_0)
lastRendered = (int)nextCapture;
if(lastRendered != -1)
{
shareDevice->CopyResource(sharedTextures[lastRendered], copyTextureIntermediary);
keyedMutexes[lastRendered]->ReleaseSync(0);
}
texData->lastRendered = lastRendered;
backBuffer->Release();
}
curCapture = nextCapture;
}
}
}
}
else
ClearD3D11Data();
}
device->Release();
context->Release();
}
}
gi11swapPresent.Unhook();
HRESULT hRes = swap->Present(syncInterval, flags);
gi11swapPresent.Rehook();
return hRes;
}
HRESULT STDMETHODCALLTYPE SwapPresentHook(UINT syncInterval, UINT flags)
{
IDXGISwapChain *swap = (IDXGISwapChain*)this;
if(lpCurrentSwap == NULL && !bTargetAcquired)
{
lpCurrentSwap = swap;
SetupD3D11(swap);
bTargetAcquired = true;
}
if(lpCurrentSwap == swap)
{
ID3D11Device *device = NULL;
HRESULT chi;
if(SUCCEEDED(chi = swap->GetDevice(__uuidof(ID3D11Device), (void**)&device)))
{
if(!lpCurrentDevice)
{
lpCurrentDevice = device;
oldD3D11Release = GetVTable(device, (8/4));
newD3D11Release = ConvertClassProcToFarproc((CLASSPROC)&D3D11Override::DeviceReleaseHook);
SetVTable(device, (8/4), newD3D11Release);
}
ID3D11DeviceContext *context;
device->GetImmediateContext(&context);
if(!bHasTextures && bCapturing)
{
if(dxgiFormat)
{
if(!hwndReceiver)
hwndReceiver = FindWindow(RECEIVER_WINDOWCLASS, NULL);
if(hwndReceiver)
{
D3D11_TEXTURE2D_DESC texDesc;
ZeroMemory(&texDesc, sizeof(texDesc));
texDesc.Width = d3d11CaptureInfo.cx;
texDesc.Height = d3d11CaptureInfo.cy;
texDesc.MipLevels = 1;
texDesc.ArraySize = 1;
texDesc.Format = dxgiFormat;
texDesc.SampleDesc.Count = 1;
texDesc.Usage = D3D11_USAGE_STAGING;
texDesc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
bool bSuccess = true;
UINT pitch;
for(UINT i=0; i<2; i++)
{
HRESULT ching;
if(FAILED(ching = device->CreateTexture2D(&texDesc, NULL, &d3d11Textures[i])))
{
bSuccess = false;
break;
}
if(i == 0)
{
ID3D11Resource *resource;
if(FAILED(d3d11Textures[i]->QueryInterface(__uuidof(ID3D11Resource), (void**)&resource)))
{
bSuccess = false;
break;
}
D3D11_MAPPED_SUBRESOURCE map;
if(FAILED(context->Map(resource, 0, D3D11_MAP_READ, 0, &map)))
{
bSuccess = false;
break;
}
pitch = map.RowPitch;
context->Unmap(resource, 0);
resource->Release();
}
}
if(bSuccess)
{
d3d11CaptureInfo.mapID = InitializeSharedMemory(pitch*d3d11CaptureInfo.cy, &d3d11CaptureInfo.mapSize, ©Data, textureBuffers);
if(!d3d11CaptureInfo.mapID)
bSuccess = false;
}
if(bSuccess)
{
bHasTextures = true;
d3d11CaptureInfo.captureType = CAPTURETYPE_MEMORY;
d3d11CaptureInfo.hwndSender = hwndSender;
d3d11CaptureInfo.pitch = pitch;
d3d11CaptureInfo.bFlip = FALSE;
PostMessage(hwndReceiver, RECEIVER_NEWCAPTURE, 0, (LPARAM)&d3d11CaptureInfo);
}
else
{
for(UINT i=0; i<2; i++)
{
SafeRelease(d3d11Textures[i]);
if(textureBuffers[i])
{
free(textureBuffers[i]);
textureBuffers[i] = NULL;
}
}
}
}
}
}
if(bHasTextures)
{
if(bCapturing)
{
DWORD nextCapture = curCapture == 0 ? 1 : 0;
ID3D11Texture2D *texture = d3d11Textures[curCapture];
ID3D11Resource *backBuffer = NULL;
if(SUCCEEDED(swap->GetBuffer(0, IID_ID3D11Resource, (void**)&backBuffer)))
{
if(bIsMultisampled)
context->ResolveSubresource(texture, 0, backBuffer, 0, dxgiFormat);
else
context->CopyResource(texture, backBuffer);
backBuffer->Release();
ID3D11Texture2D *lastTexture = d3d11Textures[nextCapture];
ID3D11Resource *resource;
if(SUCCEEDED(lastTexture->QueryInterface(__uuidof(ID3D11Resource), (void**)&resource)))
{
D3D11_MAPPED_SUBRESOURCE map;
if(SUCCEEDED(context->Map(resource, 0, D3D11_MAP_READ, 0, &map)))
{
LPBYTE *pTextureBuffer = NULL;
int lastRendered = -1;
//under no circumstances do we -ever- allow a stall
if(WaitForSingleObject(textureMutexes[curCapture], 0) == WAIT_OBJECT_0)
lastRendered = (int)curCapture;
else if(WaitForSingleObject(textureMutexes[nextCapture], 0) == WAIT_OBJECT_0)
lastRendered = (int)nextCapture;
if(lastRendered != -1)
{
SSECopy(textureBuffers[lastRendered], map.pData, map.RowPitch*d3d11CaptureInfo.cy);
ReleaseMutex(textureMutexes[lastRendered]);
}
context->Unmap(resource, 0);
copyData->lastRendered = (UINT)lastRendered;
}
resource->Release();
}
}
curCapture = nextCapture;
}
else
ClearD3D11Data();
}
device->Release();
context->Release();
}
}
gi11swapPresent.Unhook();
HRESULT hRes = swap->Present(syncInterval, flags);
gi11swapPresent.Rehook();
return hRes;
}