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Implement Framebuffer Cache

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Implements a cache for storing `VkFramebuffer` objects with a special path on devices with `VK_KHR_imageless_framebuffer` to allow for more cache hits due to an abstract image rather than a specific one. 

Caching framebuffers is a fairly crucial optimization due to the cost of creating framebuffers on TBDRs since it involves calculating tiling memory allocations and in the case of Adreno's proprietary driver involves several kernel calls for mapping and allocating the corresponding framebuffer memory.
This commit is contained in:
PixelyIon
2022-05-01 18:06:55 +05:30
parent af7f0c301e
commit 42573170c6
15 changed files with 336 additions and 73 deletions
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2
app/src/main/cpp/skyline/gpu/presentation_engine.cpp
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@ -160,7 +160,7 @@ namespace skyline::gpu {
for (size_t index{}; index < vkImages.size(); index++) {
auto &slot{images[index]};
slot = std::make_shared<Texture>(*state.gpu, vkImages[index], extent, format, vk::ImageLayout::eUndefined, vk::ImageTiling::eOptimal);
slot = std::make_shared<Texture>(*state.gpu, vkImages[index], extent, format, vk::ImageLayout::eUndefined, vk::ImageTiling::eOptimal, vk::ImageCreateFlags{}, presentUsage);
slot->TransitionLayout(vk::ImageLayout::ePresentSrcKHR);
}
for (size_t index{vkImages.size()}; index < MaxSwapchainImageCount; index++)