Jeroen Bakker f0f911590e EEVEE-Next: Viewport pixel size with up-sampling
EEVEE-Next performes less on integrated GPUs then discrete GPUs.
Most shaders have been analyzed, but there will always be bottlenecks
related to architectural differences.

In order to make EEVEE-Next run smooth on integrated GPUs this change
will implement viewport pixel size option similar to Cycles. The main difference
is that the samples will still be weighted and up-sampled to the final film
resolution. This makes the pixels not look squared in the viewport but will
resolve to something close to the results without up-scaling.

This improves the performance especially on integrated GPUs. The improvement
for discrete GPUs are less noticeable. See here the stats when playing
`rain_restaurant.blend` back on a RAPHAEL_MENDOCINO iGPU.

| Pixel size | Frames per second |
|------------|-------------------|
| 1x         | 0.25 FPS          |
| 2x         | 4.14 FPS          |
| 4x         | 6.90 FPS          |
| 8x         | 9.95 FPS          |

Related to: #114597
See PR for some example images.

Pull Request: https://projects.blender.org/blender/blender/pulls/118903
2024-03-13 12:00:24 +01:00
2024-03-12 20:56:48 +11:00
2024-03-11 18:29:03 +01:00
2024-03-13 02:13:07 +01:00
2024-03-11 22:11:08 -06:00
2024-03-08 11:32:14 +11:00
2024-03-07 14:07:39 +11:00

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