Clear11::Clear11(Renderer11 *renderer) : mRenderer(renderer), mClearBlendStates(StructLessThan<ClearBlendInfo>), mClearDepthStencilStates(StructLessThan<ClearDepthStencilInfo>), mVertexBuffer(NULL), mRasterizerState(NULL), mSupportsClearView(false) { HRESULT result; ID3D11Device *device = renderer->getDevice(); D3D11_BUFFER_DESC vbDesc; vbDesc.ByteWidth = sizeof(d3d11::PositionDepthColorVertex<float>) * 4; vbDesc.Usage = D3D11_USAGE_DYNAMIC; vbDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER; vbDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE; vbDesc.MiscFlags = 0; vbDesc.StructureByteStride = 0; result = device->CreateBuffer(&vbDesc, NULL, &mVertexBuffer); ASSERT(SUCCEEDED(result)); d3d11::SetDebugName(mVertexBuffer, "Clear11 masked clear vertex buffer"); D3D11_RASTERIZER_DESC rsDesc; rsDesc.FillMode = D3D11_FILL_SOLID; rsDesc.CullMode = D3D11_CULL_NONE; rsDesc.FrontCounterClockwise = FALSE; rsDesc.DepthBias = 0; rsDesc.DepthBiasClamp = 0.0f; rsDesc.SlopeScaledDepthBias = 0.0f; rsDesc.DepthClipEnable = TRUE; rsDesc.ScissorEnable = FALSE; rsDesc.MultisampleEnable = FALSE; rsDesc.AntialiasedLineEnable = FALSE; result = device->CreateRasterizerState(&rsDesc, &mRasterizerState); ASSERT(SUCCEEDED(result)); d3d11::SetDebugName(mRasterizerState, "Clear11 masked clear rasterizer state"); if (renderer->getFeatureLevel() <= D3D_FEATURE_LEVEL_9_3) { mFloatClearShader = CreateClearShader(device, DXGI_FORMAT_R32G32B32A32_FLOAT, g_VS_ClearFloat, g_PS_ClearFloat_FL9); } else { mFloatClearShader = CreateClearShader(device, DXGI_FORMAT_R32G32B32A32_FLOAT, g_VS_ClearFloat, g_PS_ClearFloat); } if (renderer->isES3Capable()) { mUintClearShader = CreateClearShader(device, DXGI_FORMAT_R32G32B32A32_UINT, g_VS_ClearUint, g_PS_ClearUint ); mIntClearShader = CreateClearShader(device, DXGI_FORMAT_R32G32B32A32_SINT, g_VS_ClearSint, g_PS_ClearSint ); } if (renderer->getDeviceContext1IfSupported()) { D3D11_FEATURE_DATA_D3D11_OPTIONS d3d11Options; device->CheckFeatureSupport(D3D11_FEATURE_D3D11_OPTIONS, &d3d11Options, sizeof(D3D11_FEATURE_DATA_D3D11_OPTIONS)); mSupportsClearView = (d3d11Options.ClearView != FALSE); } }