3 Commits

Author	SHA1	Message	Date
Benjamin Otte	a301f18ebf	gpu: Track position fwidth explicitly ... This is relevant went encountering repeat nodes, where the repeat cutoff will make the fwidth of the position go wild otherwise. Gradients require more work now, because we need to compute offsets twice - once for the pixel, once for the offst.	2024-01-07 07:22:51 +01:00
Benjamin Otte	64a67ac3a8	gpu: Turn globals into macros ... This way, we can be more flexible in refactoring how we handle globals (guess what we're gonna do next).	2024-01-07 07:22:50 +01:00
Benjamin Otte	1a85d569e3	gpu: Add ability to run shaders ... This heaves over an inital chunk of code from the Vulkan renderer to execute shaders. The only shader that exists for now is a shader that draws a single texture. We use that to replace the blit op we were doing before.	2024-01-07 07:22:49 +01:00