AaRenderSystem::AaRenderSystem(AaWindow* mWindow)
{
this->mWindow = mWindow;
HWND hwnd = mWindow->getHwnd();
clearColor[0]=0.55f;
clearColor[1]=0.75f;
clearColor[2]=0.92f;
clearColor[3]=1.0f;
RECT dimensions;
GetClientRect( hwnd, &dimensions );
unsigned int width = dimensions.right - dimensions.left;
unsigned int height = dimensions.bottom - dimensions.top;
D3D_DRIVER_TYPE driverTypes[] =
{
D3D_DRIVER_TYPE_HARDWARE, D3D_DRIVER_TYPE_WARP, D3D_DRIVER_TYPE_SOFTWARE
};
unsigned int totalDriverTypes = ARRAYSIZE( driverTypes );
D3D_FEATURE_LEVEL featureLevels[] =
{
D3D_FEATURE_LEVEL_11_0,
D3D_FEATURE_LEVEL_10_1,
D3D_FEATURE_LEVEL_10_0
};
unsigned int totalFeatureLevels = ARRAYSIZE( featureLevels );
DXGI_SWAP_CHAIN_DESC swapChainDesc;
ZeroMemory( &swapChainDesc, sizeof( swapChainDesc ) );
swapChainDesc.BufferCount = 1;
swapChainDesc.BufferDesc.Width = width;
swapChainDesc.BufferDesc.Height = height;
swapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swapChainDesc.BufferDesc.RefreshRate.Numerator = 60;
swapChainDesc.BufferDesc.RefreshRate.Denominator = 1;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.OutputWindow = hwnd;
swapChainDesc.Windowed = true;
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.SampleDesc.Quality = 0;
D3D_DRIVER_TYPE driverType_;
D3D_FEATURE_LEVEL featureLevel_;
unsigned int creationFlags = 0;
#ifdef _DEBUG
creationFlags |= D3D11_CREATE_DEVICE_DEBUG;
#endif
HRESULT result;
unsigned int driver = 0;
for( driver = 0; driver < totalDriverTypes; ++driver )
{
result = D3D11CreateDeviceAndSwapChain( 0, driverTypes[driver], 0,
creationFlags, featureLevels, totalFeatureLevels,
D3D11_SDK_VERSION, &swapChainDesc, &swapChain_,
&d3dDevice_, &featureLevel_, &d3dContext_ );
if( SUCCEEDED( result ) )
{
driverType_ = driverTypes[driver];
break;
}
}
//assert(SUCCEEDED( result ));
//HR(d3dResult);
ID3D11Texture2D* backBufferTexture;
HRESULT result2 = swapChain_->GetBuffer( 0, __uuidof( ID3D11Texture2D ), ( LPVOID* )&backBufferTexture );
/*if( FAILED( result ) )
{
HR(d3dResult); return false;
}*/
result = d3dDevice_->CreateRenderTargetView( backBufferTexture, 0, &backBufferTarget_ );
if( backBufferTexture )
backBufferTexture->Release( );
/*if( FAILED( result ) )
{
HR(d3dResult); return false;
}*/
//DEPTH / STENCIL
D3D11_TEXTURE2D_DESC depthTexDesc;
ZeroMemory( &depthTexDesc, sizeof( depthTexDesc ) );
depthTexDesc.Width = width;
depthTexDesc.Height = height;
depthTexDesc.MipLevels = 1;
depthTexDesc.ArraySize = 1;
depthTexDesc.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
depthTexDesc.SampleDesc.Count = 1;
depthTexDesc.SampleDesc.Quality = 0;
depthTexDesc.Usage = D3D11_USAGE_DEFAULT;
depthTexDesc.BindFlags = D3D11_BIND_DEPTH_STENCIL;
depthTexDesc.CPUAccessFlags = 0;
depthTexDesc.MiscFlags = 0;
result = d3dDevice_->CreateTexture2D( &depthTexDesc, NULL, &depthTexture_ );
if( FAILED( result ) )
{
HR(result);
}
// Create the depth stencil view
D3D11_DEPTH_STENCIL_VIEW_DESC descDSV;
ZeroMemory( &descDSV, sizeof( descDSV ) );
descDSV.Format = depthTexDesc.Format;
descDSV.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D;
descDSV.Texture2D.MipSlice = 0;
result = d3dDevice_->CreateDepthStencilView( depthTexture_, &descDSV,&depthStencilView_ );
depthTexture_->Release();
currentDSView_ = depthStencilView_;
if( FAILED( result ) )
{
HR(result);
}
D3D11_VIEWPORT viewport;
viewport.Width = static_cast<float>(width);
viewport.Height = static_cast<float>(height);
viewport.MinDepth = 0.0f;
viewport.MaxDepth = 1.0f;
viewport.TopLeftX = 0.0f;
viewport.TopLeftY = 0.0f;
d3dContext_->RSSetViewports( 1, &viewport );
D3D11_RASTERIZER_DESC rasterDesc;
rasterDesc.AntialiasedLineEnable = false;
rasterDesc.CullMode = D3D11_CULL_BACK;
rasterDesc.DepthBias = 0;
rasterDesc.DepthBiasClamp = 0.0f;
rasterDesc.DepthClipEnable = true;
rasterDesc.FillMode = D3D11_FILL_SOLID;
rasterDesc.FrontCounterClockwise = false;
rasterDesc.MultisampleEnable = false;
rasterDesc.SlopeScaledDepthBias = 0.0f;
rasterDesc.ScissorEnable=false;
d3dDevice_->CreateRasterizerState(&rasterDesc,&rasterizerStates[1]);
rasterDesc.CullMode = D3D11_CULL_NONE;
d3dDevice_->CreateRasterizerState(&rasterDesc,&rasterizerStates[0]);
D3D11_BLEND_DESC blendStateDescription;
ZeroMemory( &blendStateDescription, sizeof( blendStateDescription ) );
blendStateDescription.AlphaToCoverageEnable = FALSE;
blendStateDescription.IndependentBlendEnable = FALSE;
blendStateDescription.RenderTarget[0].BlendEnable = FALSE;
blendStateDescription.RenderTarget[0].SrcBlend = D3D11_BLEND_ONE;
blendStateDescription.RenderTarget[0].DestBlend = D3D11_BLEND_ZERO;
blendStateDescription.RenderTarget[0].BlendOp = D3D11_BLEND_OP_ADD;
blendStateDescription.RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_ONE;
blendStateDescription.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_ZERO;
blendStateDescription.RenderTarget[0].BlendOpAlpha = D3D11_BLEND_OP_ADD;
blendStateDescription.RenderTarget[0].RenderTargetWriteMask = D3D11_COLOR_WRITE_ENABLE_ALL;
d3dDevice_->CreateBlendState( &blendStateDescription, &alphaBlendStates[0] );
ZeroMemory( &blendStateDescription, sizeof( blendStateDescription ) );
blendStateDescription.RenderTarget[0].BlendEnable = TRUE;
blendStateDescription.RenderTarget[0].SrcBlend = D3D11_BLEND_SRC_ALPHA;
blendStateDescription.RenderTarget[0].DestBlend = D3D11_BLEND_INV_SRC_ALPHA;
blendStateDescription.RenderTarget[0].BlendOp = D3D11_BLEND_OP_ADD;
blendStateDescription.RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_ONE;
blendStateDescription.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_ZERO;
blendStateDescription.RenderTarget[0].BlendOpAlpha = D3D11_BLEND_OP_ADD;
blendStateDescription.RenderTarget[0].RenderTargetWriteMask = 0x0f;
d3dDevice_->CreateBlendState( &blendStateDescription, &alphaBlendStates[1] );
D3D11_DEPTH_STENCIL_DESC depthDisabledStencilDesc;
depthDisabledStencilDesc.DepthEnable = false;
depthDisabledStencilDesc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ZERO;
depthDisabledStencilDesc.DepthFunc = D3D11_COMPARISON_LESS;
depthDisabledStencilDesc.StencilEnable = false;
d3dDevice_->CreateDepthStencilState(&depthDisabledStencilDesc, &dsStates[0] );
depthDisabledStencilDesc.DepthEnable = true;
depthDisabledStencilDesc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ZERO;
d3dDevice_->CreateDepthStencilState(&depthDisabledStencilDesc, &dsStates[1] );
depthDisabledStencilDesc.DepthEnable = false;
depthDisabledStencilDesc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ALL;
d3dDevice_->CreateDepthStencilState(&depthDisabledStencilDesc, &dsStates[2] );
depthDisabledStencilDesc.DepthEnable = true;
depthDisabledStencilDesc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ALL;
d3dDevice_->CreateDepthStencilState(&depthDisabledStencilDesc, &dsStates[3] );
RS_DESC desc;
desc.alpha_blend = 0;
desc.culling = 1;
desc.depth_check = 1;
desc.depth_write = 1;
defaultRS = getRenderState(desc);
D3D11_BUFFER_DESC constDesc;
ZeroMemory( &constDesc, sizeof( constDesc ) );
constDesc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
constDesc.ByteWidth = sizeof(PerFrameConstants);
constDesc.Usage = D3D11_USAGE_DEFAULT ;
//constDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
HRESULT d3dResult = d3dDevice_->CreateBuffer( &constDesc, 0, &perFrameBuffer);
ZeroMemory( &constDesc, sizeof( constDesc ) );
constDesc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
constDesc.ByteWidth = sizeof(PerObjectConstants);
constDesc.Usage = D3D11_USAGE_DYNAMIC;
constDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
d3dResult = d3dDevice_->CreateBuffer( &constDesc, 0, &perObjectBuffer);
ZeroMemory(&constDesc, sizeof(constDesc));
constDesc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
constDesc.ByteWidth = sizeof(PerObjectConstants)*bigCBufferEntitiesCount;
constDesc.Usage = D3D11_USAGE_DYNAMIC;
constDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
d3dResult = d3dDevice_->CreateBuffer(&constDesc, 0, &perObjectBigBuffer);
// perFrameConstantsBuffer.time = 0;
setBackbufferAsRenderTarget();
clearViews();
swapChain_->Present(0,0);
}
bool Brush::operator<( const Brush &t )const{
return memcmp( &getRenderState(),&t.getRenderState(),sizeof(BBScene::RenderState) )<0;
}
