public int FetchSlice(CommandBuffer cmd, Texture texture)
{
bool needUpdate;
var sliceIndex = m_TextureCache.ReserveSlice(texture, out needUpdate);
if (sliceIndex != -1)
{
if (needUpdate || m_ProbeBakingState[sliceIndex] != ProbeFilteringState.Ready)
{
using (new ProfilingScope(cmd, ProfilingSampler.Get(HDProfileId.ConvolveReflectionProbe)))
{
// For now baking is done directly but will be time sliced in the future. Just preparing the code here.
m_ProbeBakingState[sliceIndex] = ProbeFilteringState.Convolving;
Texture[] result = ConvolveProbeTexture(cmd, texture);
if (result == null)
{
return(-1);
}
if (m_PerformBC6HCompression)
{
cmd.BC6HEncodeFastCubemap(
result[0], m_ProbeSize, m_TextureCache.GetTexCache(),
0, int.MaxValue, sliceIndex);
m_TextureCache.SetSliceHash(sliceIndex, m_TextureCache.GetTextureHash(texture));
}
else
{
m_TextureCache.UpdateSlice(cmd, sliceIndex, result, m_TextureCache.GetTextureHash(texture)); // Be careful to provide the update count from the input texture, not the temporary one used for convolving.
}
m_ProbeBakingState[sliceIndex] = ProbeFilteringState.Ready;
}
}
}
return(sliceIndex);
}