// 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;
}
bool CDX10Shader::Execute(std::vector<ID3D10RenderTargetView*> *vecRT, unsigned int vertexIndexStep)
{
ID3D10Device* pDevice = m_rendererSystem->GetDevice();
ID3D10RenderTargetView* oldRTV = 0;
ID3D10DepthStencilView* oldDSV = 0;
if (vecRT!=NULL && !vecRT->empty())
pDevice->OMGetRenderTargets(1, &oldRTV, &oldDSV);
D3D10_TECHNIQUE_DESC techDesc;
m_effect.GetTechnique()->GetDesc(&techDesc);
unsigned int cPasses = techDesc.Passes;
unsigned int stride = m_vertsize;
unsigned int offset = 0;
ID3D10Buffer* buffer = m_vb.GetVertexBuffer();
pDevice->IASetVertexBuffers(0, 1, &buffer, &stride, &offset);
if (m_vb.m_type == D3DVertexBuffer::INDEXED_BUFFER)
{
pDevice->IASetIndexBuffer(m_vb.GetIndexBuffer(), DXGI_FORMAT_R32_UINT, 0);
pDevice->IASetPrimitiveTopology(D3D10_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
} else
{
pDevice->IASetPrimitiveTopology(D3D10_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
}
pDevice->IASetInputLayout(m_inputLayout);
for (unsigned int iPass = 0; iPass < cPasses; iPass++)
{
if (!m_effect.BeginPass(iPass))
{
LOGERR("Failed to apply and begin pass %u in technique %s", iPass, techDesc.Name);
break;
}
if (vecRT != NULL && vecRT->size() > iPass)
pDevice->OMSetRenderTargets(1, &(*vecRT)[iPass], NULL);
if (m_vb.m_type == D3DVertexBuffer::INDEXED_BUFFER && m_primitivesCount > 0)
for (int i = 0; i < m_primitivesCount; i++)
pDevice->DrawIndexed(m_indexCount, 0, iPass*vertexIndexStep+i*((m_vbsize/m_vertsize)/m_primitivesCount));
else
pDevice->Draw(m_primitivesCount, iPass*vertexIndexStep);
}
if (oldRTV != 0)
{
if (oldDSV != 0)
{
pDevice->OMSetRenderTargets(1, &oldRTV, oldDSV);
oldRTV->Release();
oldRTV->Release();
} else
{
pDevice->OMSetRenderTargets(1, &oldRTV, NULL);
oldRTV->Release();
}
}
pDevice->RSSetViewports(1, &m_rendererSystem->GetViewPort());
return true;
}