ggml : add circular tiling support to pad, for Vulkan, CUDA, and CPU (used for making...

ggml : add circular tiling support to pad, for Vulkan, CUDA, and CPU (used for making seamless textures) (llama/16985)

* Feat: Added vulkan circular tiling support

* Feat: Added cpu circular

* Feat: Added cuda kernels

* Added tests

* Added tests

* Removed non-pad operations

* Removed unneded changes

* removed backend non pad tests

* Update test-backend-ops.cpp

* Fixed comment on pad test

* removed trailing whitespace

* Removed unneded test in test-backend-ops

* Removed removed test from calls

* Update ggml/src/ggml-vulkan/vulkan-shaders/pad.comp

Co-authored-by: Ruben Ortlam <redacted>
* Fixed alignment

* Formatting

Co-authored-by: Aman Gupta <redacted>
* Format pad

* Format

* Clang format

* format

* format

* don't change so much stuff

* clang format and update to bool

* fix duplicates

* don't need to fix the padding

* make circular bool

* duplicate again

* rename vulkan to wrap around

* Don't need indent

* moved to const expr

* removed unneded extra line break

* More readable method calls

* Minor wording changes

* Added final newline

* Update ggml/include/ggml.h

Co-authored-by: Georgi Gerganov <redacted>
* Update ggml/include/ggml.h

Co-authored-by: Georgi Gerganov <redacted>
* Added circular pad ext tests

* Gate non circular pad devices

* Cleaned gating of non-circular pad devices

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Co-authored-by: Phylliida <redacted>
Co-authored-by: Ruben Ortlam <redacted>
Co-authored-by: Aman Gupta <redacted>
Co-authored-by: Georgi Gerganov <redacted>