bool Engine::Initialize(const Engine::Setting *setting /*= NULL*/)
{
if (mInited)
return false;
if (NULL != setting)
mSetting = *setting;
bool isOk = true;
if (isOk)
isOk = InitializeScreen();
if (isOk)
isOk = InitializeRenderSystem();
if (!isOk)
{
Finalize();
return false;
}
mInited = true;
return true;
}
bool rxRenderer::CreateViewport( const rxViewportConfig& config, rxViewport &OutViewport )
{
Assert( gNumViewports.NumRefs() < RX_MAX_VIEWPORTS );
Assert(OutViewport.IsNull());
Assert( OutViewport.uniqueId == INDEX_NONE );
Assert( gCurrentViewport == nil );
if( gNumViewports.NumRefs() >= RX_MAX_VIEWPORTS ) {
dxErrf("Failed to create a new viewport.\n");
return false;
}
UINT windowWidth = 0;
UINT windowHeight = 0;
Win_GetWindowSize( config.windowHandle, windowWidth, windowHeight );
ValidateViewportSize( windowWidth, windowHeight );
const UINT newViewportIndex = gNumViewports.NumRefs();
const bool bIsMainViewport = (newViewportIndex == RX_MAIN_VIEWPORT_ID);
DBGNEWLINE();
if( bIsMainViewport ) {
DBGOUT( "Creating the main viewport: %ux%u.\n", windowWidth, windowHeight );
} else {
DBGOUT( "Creating viewport [%u]: %ux%u.\n", newViewportIndex, windowWidth, windowHeight );
}
// check if we need to initialize for the first time
if( gNumViewports.IncRef() )
{
InitializeRenderSystem( windowWidth, windowHeight );
}
DXGI_SWAP_CHAIN_DESC spawnChainDesc;
D3D_DefaultSwapChainDesc( config.windowHandle, spawnChainDesc );
VRET_FALSE_IF_NOT(D3D_InitializeViewport( spawnChainDesc, config.bDepthStencil, OutViewport ));
Assert(!OutViewport.IsNull());
OutViewport.uniqueId = newViewportIndex;
return true;
}
void tRenderer::InitializeScene()
{
InitializeRenderSystem();
InitializeSceneResources(); // Allow derived classes to initialize elements of their scene now that the rendering system is ready.
}
