//************************************
// Method: Init
// FullName: QuackWin::Init
// Access: public
// Returns: void
// Qualifier:
// Parameter: void
// Description: Platform specfic OpenGL initialization. Loads OpenGL, inits,
// creates the window, etc. If this call is successful, a functional OpenGL
// subsystem has been established.
//************************************
void QuackWin::Init(void) {
// init opengl
StartOpenGL();
// other init functions
glewInit();
}
HRESULT __stdcall SpoutSenderPlugin::OnStart()
{
StartOpenGL(); // Initialize openGL if not already
bSpoutOut = true;
return NO_ERROR;
}
HRESULT __stdcall SpoutSenderPlugin::OnStart()
{
// printf("OnStart()\n");
StartOpenGL(); // Initialize openGL if not already
spoutsender.SetDX9(true); // To use DirectX 9 we need to specify that first
bSpoutOut = true;
return NO_ERROR;
}
// use this function to render the GL surface on the device, using any modification you want
// return S_OK if you actually draw the texture on the device, or S_FALSE to let VirtualDJ do it
// if using VDJPLUGINFLAG_VIDEOINPLACE, texture and vertices will be NULL
HRESULT __stdcall SpoutSenderPlugin::OnDraw()
{
TVertex *vertices;
// Quit if OpenGL initialization failed
if(!bOpenGL) {
DrawDeck();
return S_OK;
}
// Activate the shared context for draw
// This can fail if the video window is closed and re-opened
// Possibly because the dc that was orginally used is gone
// It will start again if the start button is toggled
// but calling StartOpenGL here seems to work OK.
if(!wglMakeCurrent(m_hdc, m_hSharedRC)) {
// printf("wglMakeCurrent 1 fail\n");
bOpenGL = false;
StartOpenGL(); // Initialize openGL again
return S_OK;
}
// In order to draw the original image, you can either just call DrawDeck()
// if you don't need to modify the image (for overlay plugins for examples),
// or call GetTexture to get low-level access to the texture and its vertices.
// Get the DX9 device
GetDevice(VdjVideoEngineDirectX9, (void **)&d3d_device);
if(d3d_device) {
// Get the Virtual DJ texture and description
GetTexture(VdjVideoEngineDirectX9, (void **)&dxTexture, &vertices);
dxTexture->GetLevelDesc(0, &desc);
if(!dxTexture) {
DrawDeck(); // Let VirtualDJ do the drawing
return S_OK;
}
// Is Spout initialized yet ?
if(!bInitialized) {
m_Width = desc.Width;
m_Height = desc.Height;
// This is a sender so create one
sprintf_s(SenderName, 256, "VirtualDJ Spout Sender");
// To use DirectX 9 we need to specify that first
spoutsender.SetDX9(true);
// And we also have to set the shared texture format as D3DFMT_X8R8G8B8 so that receivers know it
// because the default format argument is zero and that assumes D3DFMT_A8R8G8B8
if(spoutsender.CreateSender(SenderName, m_Width, m_Height, (DWORD)D3DFMT_X8R8G8B8)) {
// printf("Created sender [%s]\n", SenderName);
bInitialized = true;
}
}
else if(m_Width != desc.Width || m_Height != desc.Height) {
// Initialized but has the texture changed size ?
m_Width = desc.Width;
m_Height = desc.Height;
// Update the sender
spoutsender.UpdateSender(SenderName, m_Width, m_Height);
}
else if(bSpoutOut) { // Initialized and plugin has started
// Copy from video memory to system memory
hr = d3d_device->CreateOffscreenPlainSurface(desc.Width, desc.Height, desc.Format, D3DPOOL_SYSTEMMEM, &source_surface, NULL);
if(SUCCEEDED(hr)) {
// Get the Virtual DJ texture Surface
hr = dxTexture->GetSurfaceLevel(0, &texture_surface);
if(SUCCEEDED(hr)) {
// Copy Surface to Surface
hr = d3d_device->GetRenderTargetData(texture_surface, source_surface);
if(SUCCEEDED(hr)) {
// Lock the source surface using some flags for optimization
hr = source_surface->LockRect(&d3dlr, NULL, D3DLOCK_NO_DIRTY_UPDATE | D3DLOCK_READONLY);
if(SUCCEEDED(hr)) {
source_surface->GetDesc(&desc);
// Pass the pixels to spout
// Disable invert of texture because this is a DirectX source
// 4-byte alignment might need checking
if(desc.Format == D3DFMT_X8R8G8B8) { // We have initialized the sender for this format
spoutsender.SendImage((unsigned char *)d3dlr.pBits, desc.Width, desc.Height, GL_BGRA_EXT, true, false);
}
source_surface->UnlockRect();
}
}
}
}
if(texture_surface) texture_surface->Release();
if(source_surface) source_surface->Release();
texture_surface = NULL;
source_surface = NULL;
}
}
DrawDeck(); // Draw the image coming in
return S_OK;
}
HRESULT __stdcall SpoutSenderPlugin::OnDraw()
{
TVertex *vertices;
// Quit if OpenGL initialization failed
if(!bOpenGL) {
DrawDeck();
return S_OK;
}
// Activate the shared context for draw
// This can fail if the video window is closed and re-opened
// Possibly because the dc that was orginally used is gone
// It will start again if the start button is toggled
// but calling StartOpenGL here seems to work OK.
if(!wglMakeCurrent(m_hdc, m_hSharedRC)) {
bOpenGL = false;
StartOpenGL(); // Initialize openGL again
return S_OK;
}
// Get the DX9 device
GetDevice(VdjVideoEngineDirectX9, (void **)&d3d_device);
if(d3d_device) {
// Get the Virtual DJ texture and description
GetTexture(VdjVideoEngineDirectX9, (void **)&dxTexture, &vertices);
if(!dxTexture) {
DrawDeck(); // Let VirtualDJ do the drawing
return S_OK;
}
dxTexture->GetLevelDesc(0, &desc);
// Is Spout initialized yet ?
if(!bInitialized) {
m_Width = desc.Width;
m_Height = desc.Height;
// This is a sender so create one
sprintf_s(SenderName, 256, "VirtualDJ Spout Sender");
// The default format argument is zero and that assumes D3DFMT_A8R8G8B8
if(spoutsender.CreateSender(SenderName, m_Width, m_Height)) {
bInitialized = true;
}
}
else if(m_Width != desc.Width || m_Height != desc.Height) {
// Initialized but has the texture changed size ?
m_Width = desc.Width;
m_Height = desc.Height;
// Update the sender
spoutsender.UpdateSender(SenderName, m_Width, m_Height);
}
else if(bSpoutOut) { // Initialized and plugin has started
// Copy from video memory to system memory
hr = d3d_device->CreateOffscreenPlainSurface(desc.Width, desc.Height, desc.Format, D3DPOOL_SYSTEMMEM, &source_surface, NULL);
if(SUCCEEDED(hr)) {
// Get the Virtual DJ texture Surface
hr = dxTexture->GetSurfaceLevel(0, &texture_surface);
if(SUCCEEDED(hr)) {
// Get the rendertarget data into system memory
hr = d3d_device->GetRenderTargetData(texture_surface, source_surface);
if(SUCCEEDED(hr)) {
// Lock the source surface using some flags for optimization
hr = source_surface->LockRect(&d3dlr, NULL, D3DLOCK_NO_DIRTY_UPDATE | D3DLOCK_READONLY);
if(SUCCEEDED(hr)) {
// Pass the pixels to spout
spoutsender.SendImage((unsigned char *)d3dlr.pBits, desc.Width, desc.Height, GL_BGRA_EXT);
source_surface->UnlockRect();
}
}
}
}
if(texture_surface) texture_surface->Release();
if(source_surface) source_surface->Release();
texture_surface = NULL;
source_surface = NULL;
}
}
DrawDeck(); // Draw the image coming in
return S_OK;
}