Method Bloom

BindlessDeferred/PostProcessor.cpp:59–92

}

TempRenderTarget* PostProcessor::Bloom(ID3D12GraphicsCommandList* cmdList, const RenderTexture& input)
{
    PIXMarker marker(cmdList, "Bloom");

    const uint64 bloomWidth = input.Texture.Width / 2;
    const uint64 bloomHeight = input.Texture.Height / 2;

    TempRenderTarget* downscale1 = helper.GetTempRenderTarget(bloomWidth, bloomHeight, DXGI_FORMAT_R16G16B16A16_FLOAT);
    downscale1->RT.MakeWritable(cmdList);

    helper.PostProcess(bloom, "Bloom Initial Pass", input, downscale1);

    TempRenderTarget* blurTemp = helper.GetTempRenderTarget(bloomWidth, bloomHeight, DXGI_FORMAT_R16G16B16A16_FLOAT);
    downscale1->RT.MakeReadable(cmdList);

    // Blur it
    for(uint64 i = 0; i < 2; ++i)
    {
        blurTemp->RT.MakeWritable(cmdList);

        helper.PostProcess(blurH, "Horizontal Bloom Blur", downscale1, blurTemp);

        blurTemp->RT.MakeReadable(cmdList);
        downscale1->RT.MakeWritable(cmdList);

        helper.PostProcess(blurV, "Vertical Bloom Blur", blurTemp, downscale1);

        downscale1->RT.MakeReadable(cmdList);
    }

    blurTemp->InUse = false;

    return downscale1;
}