I think basicly yes, but aren´t those the two things I could already calculate and set myself?
And isn´t it going to be a problem that I am using an orthogonal, off center projection matrix? I had the idea to place the lights all at the cameraposition with their different clip_near and clip_far values and then to calculate their view projection matrices as if they where at the sun position. This should basicly work but it should also cause some missing shadows ob objects which aren´t visible but should throw a shadow.
I btw cleaned up my code a bit and had to switch to the latest beta because of a bug in A7.10 which seems to be fixed in the beta. Instead of 35fps I´ve got 100fps now . This is already very nice but I am sure that good clipping could speed things up even more because currently everything is rendered even though only two object are visible with my lightmatrix.