Get rid of hardcoded variable

Author: Fletterio

28_FFTBloom/main.cpp

@@ -587,7 +587,7 @@ class FFTBloomApp final : public examples::SimpleWindowedApplication, public app
 uint32_t2 kernelDimensions = { kerDim.width, kerDim.height };
 // Y-axis goes first in the FFT
 hlsl::vector <uint16_t, 2> axisPassOrder = { 1, 0 };
-deviceLocalBufferParams.size = fft::getOutputBufferSizeConvolution<2>(3, imageDimensions, kernelDimensions, 0, axisPassOrder, true, m_useHalfFloats);
+deviceLocalBufferParams.size = fft::getOutputBufferSizeConvolution<2>(Channels, imageDimensions, kernelDimensions, 0, axisPassOrder, true, m_useHalfFloats);
 deviceLocalBufferParams.usage = asset::IBuffer::E_USAGE_FLAGS::EUF_STORAGE_BUFFER_BIT | asset::IBuffer::E_USAGE_FLAGS::EUF_SHADER_DEVICE_ADDRESS_BIT;
 
 for (auto i = 0u; i < MaxFramesInFlight; i++)