Method DOF

BakingLab/PostProcessor.cpp:240–336

}

TempRenderTarget* PostProcessor::DOF(ID3D11ShaderResourceView* input, ID3D11ShaderResourceView* depthBuffer,
                                     TempRenderTarget*& nearMask)
{
    uint32 dofResX = inputWidth / 2;
    uint32 dofResY = inputHeight / 2;

    TempRenderTarget* nearTarget = GetTempRenderTarget(dofResX, dofResY, DXGI_FORMAT_R16G16B16A16_FLOAT);
    TempRenderTarget* farTarget = GetTempRenderTarget(dofResX, dofResY, DXGI_FORMAT_R16G16B16A16_FLOAT);

    inputs.push_back(input);
    inputs.push_back(depthBuffer);
    outputs.push_back(nearTarget->RTView);
    outputs.push_back(farTarget->RTView);

    if(AppSettings::MSAAMode == MSAAModes::MSAANone)
        PostProcess(dofDownscale[0], L"DOF Downscale");
    else
        PostProcess(dofDownscale[1], L"DOF Downscale");

    const uint32 tileSize = 32;
    const uint32 numTilesX = (inputWidth + (tileSize - 1)) / tileSize;
    const uint32 numTilesY = (inputHeight + (tileSize - 1)) / tileSize;
    TempRenderTarget* nearMaskInitial = GetTempRenderTarget(numTilesX, numTilesY, DXGI_FORMAT_R16_UNORM, 1, 0, 1, false, true);

    ID3D11RenderTargetView* rtvs[2] = { nullptr, nullptr };
    context->OMSetRenderTargets(2, rtvs, nullptr);
    SetCSInputs(context, nearTarget->SRView);
    SetCSOutputs(context, nearMaskInitial->UAView);
    SetCSShader(context, computeNearMask16);

    context->Dispatch(numTilesX, numTilesY, 1);

    ClearCSInputs(context);
    ClearCSOutputs(context);

    nearMask = GetTempRenderTarget(numTilesX, numTilesY, DXGI_FORMAT_R16_UNORM, 1, 0, 1, false, false);
    PostProcess(nearMaskInitial->SRView, nearMask->RTView, dilateNearMask, L"Dilate Near Mask");

    nearMaskInitial->InUse = false;

    const uint32 numIterations = 1;
    for(uint32 i = 0; i < numIterations; ++i)
    {
        TempRenderTarget* nearMaskTemp = GetTempRenderTarget(numTilesX, numTilesY, nearMask->Format);
        PostProcess(nearMask->SRView, nearMaskTemp->RTView, nearMaskBlurH, L"Near Mask Blur H");

        PostProcess(nearMaskTemp->SRView, nearMask->RTView, nearMaskBlurV, L"Near Mask Blur V");
        nearMaskTemp->InUse = false;
    }

    TempRenderTarget* nearResult = GetTempRenderTarget(dofResX, dofResY, DXGI_FORMAT_R16G16B16A16_FLOAT);
    TempRenderTarget* farResult = GetTempRenderTarget(dofResX, dofResY, DXGI_FORMAT_R16G16B16A16_FLOAT);

    inputs.push_back(nearTarget->SRView);
    inputs.push_back(farTarget->SRView);
    inputs.push_back(nearMask->SRView);
    outputs.push_back(nearResult->RTView);
    outputs.push_back(farResult->RTView);