Method RenderAreaLight

BakingLab/MeshRenderer.cpp:977–1010

Renders the area light

// Renders the area light
void MeshRenderer::RenderAreaLight(ID3D11DeviceContext* context, const Camera& camera)
{
    PIXEvent event(L"Area Light Rendering");

    // Set states
    float blendFactor[4] = {1, 1, 1, 1};
    context->OMSetBlendState(blendStates.BlendDisabled(), blendFactor, 0xFFFFFFFF);
    context->OMSetDepthStencilState(depthStencilStates.DepthWriteEnabled(), 0);
    context->RSSetState(rasterizerStates.NoCull());

    // Set constant buffers
    areaLightConstants.Data.ViewProjection = Float4x4::Transpose(camera.ViewProjectionMatrix());
    areaLightConstants.Data.PrevViewProjection = Float4x4::Transpose(prevVP);
    areaLightConstants.ApplyChanges(context);
    areaLightConstants.SetVS(context, 0);
    areaLightConstants.SetPS(context, 0);

    // Set shaders
    context->DSSetShader(nullptr, nullptr, 0);
    context->HSSetShader(nullptr, nullptr, 0);
    context->GSSetShader(nullptr, nullptr, 0);
    context->VSSetShader(areaLightVS , nullptr, 0);
    context->PSSetShader(areaLightPS, nullptr, 0);

    // Draw the visualizer sphere
    ID3D11Buffer* vertexBuffers[1] = { areaLightVB };
    uint32 vertexStrides[1] = { sizeof(Float3) };
    uint32 offsets[1] = { 0 };
    context->IASetVertexBuffers(0, 1, vertexBuffers, vertexStrides, offsets);
    context->IASetIndexBuffer(areaLightIB, DXGI_FORMAT_R32_UINT, 0);
    context->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
    context->IASetInputLayout(areaLightInputLayout);
    context->DrawIndexedInstanced(uint32(numAreaLightIndices), 1, 0, 0, 0);
}

// Renders the bake data visualizer
void MeshRenderer::RenderBakeDataVisualizer(ID3D11DeviceContext* context, const Camera& camera, const MeshBakerStatus& status)