Currently we track feedback loops by counting the times a Texture is
bound as a sampler or image in a particular context. This is a bit
tricky because Texture bindings change frequently. Relative to the
number of times we need to check for a feedback loop this causes excess
overhead.

Usually Framebuffers have a low number of Textures bound (in many cases
just 1). And Textures aren't usually bound to many different FBOs. So
instead of counting the number of times a Texture is bound as a sampler
or image we will track the Framebuffers that the Texture is bound to.

Because FBOs are unique to a Context, a Texture could be bound to two
different FBOs with the same ID. In this CL we introduce a new Serial
for the FBO which is unique to an EGL Share Group. This way we can
ensure we don't make the wrong call when a Texture is referenced by a
Framebuffer. It also replaces the old FB serial which was again only
unique to a particular Context.

Bug: angleproject:4500
Bug: angleproject:4959
Change-Id: I0a9989d861a4132bd3b7ed85f699a4448ff37a4e
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2358849Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>
Reviewed-by: Tobin Ehlis <tobine@google.com>
Reviewed-by: Courtney Goeltzenleuchter <courtneygo@google.com>
Commit-Queue: Jamie Madill <jmadill@chromium.org>

Bug: angleproject:4940
Bug: angleproject:2634
Change-Id: I1e107e856a50a7eaf685296dd7464af9ad5bcec4
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2342522
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>

Allows ANGLE to create Framebuffers and RenderPasses with a read-
only depth/stencil layout. Also allows us to transition our Images
to this new DepthStencilReadOnly layout.

Internal code redesign. No functional change to our command stream.

Bug: angleproject:4959
Change-Id: I9b80063bdaec8f5d6c89037e0618c85e1c11b78d
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2354280Reviewed-by: Charlie Lao <cclao@google.com>
Reviewed-by: Tim Van Patten <timvp@google.com>
Commit-Queue: Jamie Madill <jmadill@chromium.org>

Image view is used by glTexSubImage*, glCopySubImage* and
glCopySubTexture*.
This fixed some failed WebGL tests that make use of IOSurface.

Bug: angleproject:4846
Bug: angleproject:2634
Change-Id: Iebcf840fdc1be2794feab766957b5848a361a63c
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2356107
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>

We add a new header where we auto-generate the Widget ID. We also use
a new X macro to generate per-widget arrays and tables.

Bug: angleproject:4965
Change-Id: Ic53e5d1c47d5712a63c98c481c15f550f1f99692
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2358520
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Tim Van Patten <timvp@google.com>
Reviewed-by: Courtney Goeltzenleuchter <courtneygo@google.com>

Adds common helper functions for Running Graphs and Histograms.

Bug: angleproject:4965
Change-Id: I8c7295217c637e377b74b4a336eb151b8a7c9596
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2358518
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Tim Van Patten <timvp@google.com>
Reviewed-by: Courtney Goeltzenleuchter <courtneygo@google.com>

Remove the redundant manual numbering. Also rename
AllGraphicsShadersReadWrite to AllGraphicsShadersWrite for consistency.

Refactoring change only.

Bug: angleproject:4959
Change-Id: I2e7ca00993f192897bbf88f4bdc3f1610bcb345f
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2354279
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Tim Van Patten <timvp@google.com>
Reviewed-by: Charlie Lao <cclao@google.com>

Test: angle_perftests --gtest_filter=TracePerfTest.Run/*cod_mobile*
Bug: b/164426913
Bug: angleproject:4048
Change-Id: I306714632b635c728fa212ed793f076c6b889227
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2360047
Commit-Queue: Cody Northrop <cnorthrop@google.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Tim Van Patten <timvp@google.com>

https://chromium.googlesource.com/external/github.com/KhronosGroup/Vulkan-Headers.git/+log/99638d8d7fc6..834673eaa34a

2020-08-17 mchock@nvidia.com Add VI WSI platform support to vk_icd.h

If this roll has caused a breakage, revert this CL and stop the roller
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Change-Id: I675172be28aaee839ca2ab0547e59b59e2db17b4
Bug: None
Tbr: cnorthrop@google.com
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2361863Reviewed-by: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>

https://chromium.googlesource.com/external/github.com/KhronosGroup/glslang/+log/758b30727efc..f257e0ea6b9a

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Bug: None
Tbr: cnorthrop@google.com
Change-Id: I17cf464de87a81fa085918f68322425b1b95203b
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2361765Reviewed-by: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>

https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools.git/+log/b8de4f57e983..e28436f2b8a2

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Bug: None
Tbr: cnorthrop@google.com
Change-Id: If8a90870cbf6cc3b0a3a910c12e35524db3de232
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2361526Reviewed-by: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>

https://chromium.googlesource.com/external/github.com/KhronosGroup/Vulkan-Loader.git/+log/527e67e9d933..30b3f3857835

2020-08-17 cnorthrop@google.com loader: Fixes for gn build
2020-08-17 shannon@lunarg.com build: Update known-good files for 1.2.151 header
2020-08-17 Neonfxsh@gmail.com docs: Remove COPYRIGHT.txt from the readme
2020-08-14 lenny@lunarg.com repo: Set appveyor build to use Win10 SDK
2020-08-14 lenny@lunarg.com loader: Move tag to avoid linux warning
2020-08-14 piotr.bialecki@intel.com loader: Fix physical device sorting crash
2020-08-14 lenny@lunarg.com loader: Remove illegal asssignment
2020-08-14 lenny@lunarg.com loader: Fix variable name
2020-08-14 lenny@lunarg.com loader: Fixpossible memory corruption
2020-08-14 lenny@lunarg.com loader: Add reporting for physical device sorting
2020-08-14 lenny@lunarg.com docs: Update loader doc with device sorting info
2020-08-14 lenny@lunarg.com loader: Sort physical devices on Windows
2020-08-14 shannon@lunarg.com build: Update known-good files for 1.2.150 header

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Bug: None
Tbr: cnorthrop@google.com
Change-Id: I0e3d7b270fc9e659ecb1862883cc8231021b89da
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2361766Reviewed-by: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>

https://chromium.googlesource.com/external/github.com/KhronosGroup/Vulkan-ValidationLayers.git/+log/c1db3b8e7960..9d431ae2eeb4

2020-08-17 s.fricke@samsung.com layers: Fix TransformFeedback size check

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Bug: None
Tbr: cnorthrop@google.com
Change-Id: I99fb617dfa4e09c29e965b0364ef0f2090567652
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2361525Reviewed-by: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>

https://swiftshader.googlesource.com/SwiftShader.git/+log/abe07b943855..6f74415e2f74

2020-08-17 amaiorano@google.com Update README to add details on Vulkan and less about GLES
2020-08-17 capn@google.com Don't rely on VectorType::get() default parameter

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Bug: None
Tbr: cnorthrop@google.com
Change-Id: I7e4f009c36170658f58adee8c944478afea69c69
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2361524Reviewed-by: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>

Adds a new bitset helper and changes a check to an ASSERT.
Refactoring change only.

Bug: angleproject:4959
Change-Id: I0de9f1b707c87cfb6fed8a110654783059e55c99
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2345025
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Tim Van Patten <timvp@google.com>
Reviewed-by: Charlie Lao <cclao@google.com>

We don't need to explicitly check if a barrier is required for write
barriers. Write barriers always require a barrier and read barriers
need the layout change check. We introduce a new enum encoding ReadOnly
vs Write layout types and call specialized write/read functions
instead. Also renames the helper APIs to be more consistent.

Refactoring change only.

Bug: angleproject:4959
Change-Id: I0ce39ceaca6be588327c381194a580dc6b11f036
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2344744
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Charlie Lao <cclao@google.com>
Reviewed-by: Tim Van Patten <timvp@google.com>

Hopefully no longer flaky.
dEQP.EGL/functional_sharing_gles2_multithread_random_egl_server_sync_shaders_compile_9

Bug: angleproject:4495
Change-Id: I121ad4ece0be3e0ab7b0390a1a2c54cfd2bed537
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2360904Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Yuly Novikov <ynovikov@chromium.org>

Moves some checks into helper functions. Refactor only.

Bug: angleproject:4959
Change-Id: I08053a96f99baff75eb3954ecbb77e83483eba0f
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2343406Reviewed-by: Charlie Lao <cclao@google.com>
Reviewed-by: Tim Van Patten <timvp@google.com>
Commit-Queue: Jamie Madill <jmadill@chromium.org>

Test: MEC capture of COD:Mobile
Bug: b/164426913
Bug: angleproject:4048
Change-Id: I7f47c8828d57dfcc14bee5994d98c7df5f6a9a71
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2360046
Commit-Queue: Cody Northrop <cnorthrop@google.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>

This adds a test that will use an empty RGB texture. It should not break
renderpass.

Bug: b/162603208
Change-Id: I90f5aa2fafdbd70c654c9ad0675d6def32b58313
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2338828
Commit-Queue: Charlie Lao <cclao@google.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Tim Van Patten <timvp@google.com>

Previously we were only regenerating the commit ID when the .git/HEAD
file changed. When working on a branch the HEAD file doesn't change.
It points to a ref like refs/heads/master that changes. So we can read
back the contents of .git/HEAD using GN's read_file command and then
mark the commit id as dirty when the ref changes.

Should alleviate some of the shader cache problems.

Bug: angleproject:4448
Change-Id: I1c39b12af3455e3620d80bec92a15f9921d9163b
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2358519Reviewed-by: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Ian Elliott <ianelliott@google.com>
Commit-Queue: Jamie Madill <jmadill@chromium.org>

The string for VertexAttribType::Int2101010 was wrong, similar to
the fix in ffb31229.

Test: Capture and replay first 1200 frames of COD.
Bug: b/164426913
Bug: angleproject:4048
Change-Id: I86a9ad844cde211d8273840ef7e8ecb055521316
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2357170Reviewed-by: Mohan Maiya <m.maiya@samsung.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Cody Northrop <cnorthrop@google.com>

https://chromium.googlesource.com/external/github.com/KhronosGroup/Vulkan-Headers.git/+log/6eaf979e7366..99638d8d7fc6

2020-08-17 oddhack@sonic.net Update for Vulkan-Docs 1.2.151

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/vulkan-headers-angle-autoroll
Please CC ynovikov@google.com on the revert to ensure that a human
is aware of the problem.

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Documentation for the AutoRoller is here:
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Change-Id: Ieb7b233ed32ad9a15878a347890c73f92729aa1f
Bug: None
Tbr: ynovikov@google.com
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2358773Reviewed-by: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>

https://chromium.googlesource.com/external/github.com/KhronosGroup/Vulkan-ValidationLayers.git/+log/1980311465cf..c1db3b8e7960

2020-08-14 locke@lunarg.com layers: Fix has_writable_descriptor

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Tbr: ynovikov@google.com
Change-Id: I998f5a176a70ac4443c396fb9e039cf36e1f0431
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2359759Reviewed-by: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>

https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools.git/+log/b4c4da3e7606..b8de4f57e983

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Tbr: ynovikov@google.com
Change-Id: I875cd44f7d1f78df86e3be15cdf35eebc1f7c0ee
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2359760Reviewed-by: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>

https://chromium.googlesource.com/external/github.com/KhronosGroup/glslang/+log/d253278f9865..758b30727efc

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Bug: None
Tbr: ynovikov@google.com
Change-Id: Ia1a4ab99a1056e25837193d20519a14984ca871b
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2359757Reviewed-by: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>

We don't support populating a texture from an EGLImage, but
this feature is in use by games. Instead, populate the texture
with null data. In the future, improve this by reading back the
data.

Test: Capture and play back first 1200 frames of COD.
Bug: b/164426913
Bug: angleproject:4048
Change-Id: Ic8c6bdf3c359c89e647c28b8c57b7218bdf05b15
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2355705Reviewed-by: Manh Nguyen <nguyenmh@google.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Cody Northrop <cnorthrop@google.com>

Temporarily disables the feature that translate uniform block to
StructuredBuffer on D3D backend for a bug.

Adapted from a patch by xinghua.cao@intel.com

Bug: chromium:1112112
Change-Id: I3419a0eb8ae619e1fa532ffb29f56a9099f04618
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2357752
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>

The QC driver was repeating HIGH priority messages about map flags.

Bug: angleproject:4943
Change-Id: I927c38249f840544a7c1f5e595fa34e706e401bd
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2352472Reviewed-by: Cody Northrop <cnorthrop@google.com>
Commit-Queue: Jamie Madill <jmadill@chromium.org>

ContextVk::onBufferRead can check for "usesBufferForWrite".

Bug: angleproject:4911
Change-Id: Id295c068fd9a4027c3127830c682d62d614718dc
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2355102Reviewed-by: Charlie Lao <cclao@google.com>
Reviewed-by: Tim Van Patten <timvp@google.com>
Commit-Queue: Tim Van Patten <timvp@google.com>

Mocks depot_tool input_api and output_api for ANGLE
presubmit checks' unittests.
Adds unittests of ANGLE commit message format check

Bug: angleproject:4961
Change-Id: I2a8bc2c3703d9a07b26f7609490dbd80369c73b9
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2356287Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>

https://chromium.googlesource.com/external/github.com/KhronosGroup/Vulkan-Loader.git/+log/61bf3be73c1e..527e67e9d933

2020-08-13 jmadill@chromium.org Fix double delete in loaderScanForImplicitLayers.

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Bug: None
Tbr: ynovikov@google.com
Change-Id: I3fcb28e5cc699e579ca26e296cb5fde48a9da447
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2355577Reviewed-by: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>

https://chromium.googlesource.com/external/github.com/KhronosGroup/Vulkan-ValidationLayers.git/+log/6b0de7007af5..1980311465cf

2020-08-13 sam.walls@arm.com tests: Add tests for index-buffer fix
2020-08-13 sam.walls@arm.com practices: Fix index-buffer bug in Arm best practices

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/vulkan-validation-layers-angle-autoroll
Please CC ynovikov@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/master/autoroll/README.md

Bug: None
Tbr: ynovikov@google.com
Change-Id: I9f3cd14ee51b79eab0005e85c400796242868e05
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2355579Reviewed-by: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>

For use_x11 && use_ozone build, use X11 backend by default.

For ozone only, continue using Ozone impl, which is basically
gbm.

Bug: chromium:1085700
Change-Id: Iac104e983135e566b0d42a58e00d3c83b430d6dc
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2346276Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Geoff Lang <geofflang@chromium.org>

https://swiftshader.googlesource.com/SwiftShader.git/+log/cda86eff6461..abe07b943855

2020-08-13 swiftshader.regress@gmail.com Regres: Update test lists @ cda86eff

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/swiftshader-angle-autoroll
Please CC ynovikov@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/master/autoroll/README.md

Bug: None
Tbr: ynovikov@google.com
Change-Id: I697d4d89525fd066b010c77853a2f16fc6d45f35
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2355578Reviewed-by: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>

https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools.git/+log/df859f77dab3..b4c4da3e7606

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/spirv-tools-angle-autoroll
Please CC ynovikov@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/master/autoroll/README.md

Bug: None
Tbr: ynovikov@google.com
Change-Id: Idb045ec3be5bf9a39b3d4b1850c140e1bee4e05a
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2355580Reviewed-by: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>

Never actually check out Chromium.
Required by autoroller to support updating chromium_revision var.

Bug: skia:10572
Change-Id: I8c88a42286f010d2702f9ff646c7bb344153d2fe
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2353730
Commit-Queue: Yuly Novikov <ynovikov@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>

Hopefully no longer flaky.

Bug: angleproject:4502
Change-Id: I958a7febce4057706c0d822b9fffc4d9a2b18f83
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2354295Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Commit-Queue: Yuly Novikov <ynovikov@chromium.org>

getOutsideRenderPassCommandBuffer returns the command buffer directly
since it's now stateless and cannot throw an error. All the RenderPass
begin/end and flushing are done by the dependency functions (buffer/
image read/write).

Bug: angleproject:4911
Change-Id: I5e7806be9d0e1b5e358524bd485298d660fac942
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2339544
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Courtney Goeltzenleuchter <courtneygo@google.com>

Adding a simple ImageSerial tracking map in our RenderPass allows us
to know when we do or do not need to close the RenderPass on a new
Image access. This simple tracking scheme improves Manhattan
performance by up to 25% on Android. The improved perf comes from
reducing our RenderPass count (23->18 RenderPasses in our capture
scene).

Adds a FastUnorderedSet class to manage the used RP Image serials.

Updates the Query helpers to explicitly flush the RP before inserting
queries.

Bug: angleproject:4911
Change-Id: I0c34fc8e307514ebdf3e81e08d8e5aedb70ebe8f
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2334346Reviewed-by: Charlie Lao <cclao@google.com>
Reviewed-by: Tim Van Patten <timvp@google.com>
Commit-Queue: Jamie Madill <jmadill@chromium.org>