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);
}
}
