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vk_image: Add an image object abstraction

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This object's job is to contain an image and manage its transitions.
Since Nvidia hardware doesn't know what a transition is but Vulkan
requires them anyway, we have to state track image subresources
individually.

To avoid the overhead of tracking each subresource in images with many
subresources (think of cubemap arrays with several mipmaps), this commit
tracks when subresources have diverged. As long as this doesn't happen
we can check the state of the first subresource (that will be shared
with all subresources) and update accordingly.

Image transitions are deferred to the scheduler command buffer.
This commit is contained in:
ReinUsesLisp 2019-12-25 18:00:16 -03:00
parent cbc8179a26
commit 5721e2cbae
3 changed files with 192 additions and 0 deletions
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2
src/video_core/CMakeLists.txt
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@ -159,6 +159,8 @@ if (ENABLE_VULKAN)
renderer_vulkan/vk_buffer_cache.h
renderer_vulkan/vk_device.cpp
renderer_vulkan/vk_device.h
renderer_vulkan/vk_image.cpp
renderer_vulkan/vk_image.h
renderer_vulkan/vk_memory_manager.cpp
renderer_vulkan/vk_memory_manager.h
renderer_vulkan/vk_resource_manager.cpp