External sampler research experimentation #8497
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First attempt at an implementation by passing the specific data needed from the application to the material builder. This ensures that by the time the material is getting built on the VK backend, we can create the descriptor set layout.
Adding the platform side code.
- We need to pipe the ext format and the ycbcr to the backend - We need to be able to retreive the sampler when binding the texture when updating the descriptor set - We need to create the sampler based on the info from the DescriptorSetLayoutBinding when creating the descriptor set.
Not sure this is the cleanest way, but we do not have a good way to work around the need to explicitely passing the extra data.
Still lot of things up for review.
No difference for GL no both call the same function.
Forgot it.
The construction of the descriptor set layout requires it.
phoenixxxx
changed the title
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This is only for reference and will be broken up into smaller PRs.
This is the explicit method which adds quite a few APIs but is less intrusive, however burdens the caller with createating a 1-1 correspondance between Material and Texture.