More to consider:
- I have subtle drop shadows on my lower third bars. With GPU acceleration on, the shadows pretty much disappear! Switch to software rendering, and they're back.
- Dissolves between two video clips (not just graphics, or a graphic and a video clip) are chunky.
- I tested out a Titler title, to see if maybe this was endemic to PSDs, but the "fuzzy edges" show up there with hardware MPE, as well.
- The weirdness follows any export; it's not just in the PPro preview monitors.
For now, I can workaround the problem by switching to software mode for export, but... ugh. Me likey the GPU hawtness...
One thought: when comparing, make sure to put the CPU mode version to Maximum bit depth when rendering get a comparison of float rendering software vs hardware. That might be part of the difference - by default, without max quality on, you're rendering in software at a bitdepth of 8.
Forgive the PNG compression
PNG is actually a lossless form of compression, so it's a good choice. Far better than JPEG.
Thanks, Wil. Did you mean in "CPU mode" or "GPU mode" for the maximum bit depth setting? I'll test both, but right now, in CPU/software mode, everything functions as it should.
For what it's worth, the projects are NTSC DV, and were original built in CS4. However, I've witnessed the same in projects that originated in CS5.
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I can confirm this.
I do not think its the psd but the Alpha Channel in general.
The colours are off when in MPE (Nvidia GTX 285)
I filed a bug report.
Thanks, Ann. I believe you're right--it's how the hardware is interpreting the alpha channels. I can get similar oddities by parking in the middle of a cross dissolve between two clips, and switching between hardware and software mode.
I'll file a bug report, as well--this is actually pretty crippling for hardware MPE, as any file exported while GPU acceleration is turned on exhibits the same problem.