Method Initialize

SampleFramework12/v1.00/Graphics/Skybox.cpp:260–341

}

void Skybox::Initialize()
{
    // Load the shaders
    const std::wstring shaderPath = SampleFrameworkDir() + L"Shaders\\Skybox.hlsl";
    vertexShader = CompileFromFile(shaderPath.c_str(), "SkyboxVS", ShaderType::Vertex, ShaderProfile::SM51);
    pixelShader = CompileFromFile(shaderPath.c_str(), "SkyboxPS", ShaderType::Pixel, ShaderProfile::SM51);

    {
        // Make a root signature
        D3D12_DESCRIPTOR_RANGE srvRanges[1] = { };
        srvRanges[0].RangeType = D3D12_DESCRIPTOR_RANGE_TYPE_SRV;
        srvRanges[0].NumDescriptors = 1;
        srvRanges[0].BaseShaderRegister = 0;
        srvRanges[0].RegisterSpace = 0;
        srvRanges[0].OffsetInDescriptorsFromTableStart = D3D12_DESCRIPTOR_RANGE_OFFSET_APPEND;

        D3D12_ROOT_PARAMETER rootParameters[3] = { };
        rootParameters[0].ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
        rootParameters[0].ShaderVisibility = D3D12_SHADER_VISIBILITY_PIXEL;
        rootParameters[0].DescriptorTable.pDescriptorRanges = srvRanges;
        rootParameters[0].DescriptorTable.NumDescriptorRanges = 1;

        rootParameters[1].ParameterType = D3D12_ROOT_PARAMETER_TYPE_CBV;
        rootParameters[1].ShaderVisibility = D3D12_SHADER_VISIBILITY_VERTEX;
        rootParameters[1].Descriptor.RegisterSpace = 0;
        rootParameters[1].Descriptor.ShaderRegister = 0;

        rootParameters[2].ParameterType = D3D12_ROOT_PARAMETER_TYPE_CBV;
        rootParameters[2].ShaderVisibility = D3D12_SHADER_VISIBILITY_PIXEL;
        rootParameters[2].Descriptor.RegisterSpace = 0;
        rootParameters[2].Descriptor.ShaderRegister = 0;

        D3D12_STATIC_SAMPLER_DESC staticSamplers[1] = { };
        staticSamplers[0] = DX12::GetStaticSamplerState(SamplerState::LinearClamp);

        D3D12_ROOT_SIGNATURE_DESC rootSignatureDesc = { };
        rootSignatureDesc.NumParameters = ArraySize_(rootParameters);
        rootSignatureDesc.pParameters = rootParameters;
        rootSignatureDesc.NumStaticSamplers = 1;
        rootSignatureDesc.pStaticSamplers = staticSamplers;
        rootSignatureDesc.Flags = D3D12_ROOT_SIGNATURE_FLAG_ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT;

        DX12::CreateRootSignature(&rootSignature, rootSignatureDesc);
    }

    // Create and initialize the vertex and index buffers
    Float3 verts[NumVertices] =
    {
        Float3(-1.0f, 1.0f, 1.0f),
        Float3(1.0f, 1.0f, 1.0f),
        Float3(1.0f, -1.0f, 1.0f),
        Float3(-1.0f, -1.0f, 1.0f),
        Float3(1.0f, 1.0f, -1.0f),
        Float3(-1.0f, 1.0f, -1.0f),
        Float3(-1.0f, -1.0f, -1.0f),
        Float3(1.0f, -1.0f, -1.0f),
    };