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7fc0c0519a
This reverts commit 48183b8f58.
Reason for revert: Part of Dawn->Chromium breakage
BUG=dawn:950
Original change's description:
> Vulkan: honor bufferImageGranularity the simplest way.
>
> Vulkan requires that linear and opaque resources be placed in different
> "pages" of bufferImageGranularity size, as some hardware uses the page
> table to contain some compression bits or other stuff. Make Dawn honor
> this limit by aligning all allocations to bufferImageGranularity. This
> is pretty bad and should be improved later.
>
> Also does some cleanups:
> - Add kMappableBufferUsage to represent all mappable usages.
> - Remove the proxy function for resource management from
> vulkan::Device and call ResourceMemoryAllocator directly.
> - Use an enum to make the difference between mappable, linear and
> opaque resources.
>
> This issue was found while doing a change of the memory type selection
> in Vulkan, that started failing some unrelated tests on Nvidia. Without
> knowing the details of the HW or the driver it is really hard to write
> tests, except by copy-pasting a failing test. This is why there is no
> test added in this CL, and instead will rely on tests not failing with
> the follow-up CL.
>
> Bug: dawn:659
>
> Change-Id: Ib7c1f3f1949457e04ca8e23d212dc60af7046213
> Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/52920
> Commit-Queue: Corentin Wallez <cwallez@chromium.org>
> Reviewed-by: Austin Eng <enga@chromium.org>
TBR=cwallez@chromium.org,senorblanco@chromium.org,enga@chromium.org,dawn-scoped@luci-project-accounts.iam.gserviceaccount.com
Change-Id: I133f6a44227819bf262ad2b6e8e9d0d7bfaaefaa
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: dawn:659
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/55642
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Dawn, a WebGPU implementation
Dawn is an open-source and cross-platform implementation of the work-in-progress WebGPU standard.
More precisely it implements webgpu.h that is a one-to-one mapping with the WebGPU IDL.
Dawn is meant to be integrated as part of a larger system and is the underlying implementation of WebGPU in Chromium.
Dawn provides several WebGPU building blocks:
- WebGPU C/C++ headers that applications and other building blocks use.
- The
webgpu.hversion that Dawn implements. - A C++ wrapper for the
webgpu.h.
- The
- A "native" implementation of WebGPU using platforms' GPU APIs:
- D3D12 on Windows 10
- Metal on macOS and iOS
- Vulkan on Windows, Linux, ChromeOS, Android and Fuchsia
- OpenGL as best effort where available
- A client-server implementation of WebGPU for applications that are in a sandbox without access to native drivers
Helpful links:
- Dawn's bug tracker if you find issues with Dawn.
- Dawn's mailing list for other discussions related to Dawn.
- Dawn's source code
- Dawn's Matrix chatroom for live discussion around contributing or using Dawn.
- WebGPU's Matrix chatroom
Documentation table of content
Developer documentation:
User documentation: (TODO, figure out what overlaps with the webgpu.h docs)
Status
(TODO)
License
Apache 2.0 Public License, please see LICENSE.
Disclaimer
This is not an officially supported Google product.