Commit Graph

71 Commits

Author SHA1 Message Date
Corentin Wallez 431d618961 Add most WebGPU texture formats on Vulkan
This adds the formats to dawn.json, implements support in the Vulkan
backend and adds tests performing basic sampling checks for all formats.

The R8UnormSrgb and RG8UnormSrgb formats skipped because they are not
required in Vulkan (and RG8UnormSrgb is in fact not supported on the
machine used for developing this CL). A PR will be sent to the WebGPU
repo to remove the from the initial list of formats.

The RG11B10Float and RGB10A2Unorm formats of WebGPU are replaced with
B10GR11Float and A2RGB10Unorm that are the formats exposed by Vulkan. It
is likely that all APIs implement them with components stored in that
order.

Each format except depth-stencil ones is tested by uploading some
interesting texel data and checking that sampling from the texture
produces correct results. The goal is to make sure that backends don't
make a mistake in the giant switch statements. There was no effort made
to check the hardware implementation of the formats.

Tests will later be extended to cover rendering and clearing operations
as well as multisample resolve.

It isn't clear if depth-stencil format will support TRANSFER operations
in WebGPU so these are left untested for now.

BUG=dawn:128

Change-Id: I78ac5bf77b57398155551e6db3de50b478d69452
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/8363
Reviewed-by: Austin Eng <enga@chromium.org>
Reviewed-by: Jiawei Shao <jiawei.shao@intel.com>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
2019-07-01 09:58:07 +00:00
Corentin Wallez 77aa5b59aa Add support to NaN in Float32ToFloat16
This will be used to test NaN is correctly sampled from float16
textures.

BUG=dawn:128

Change-Id: I6e3b79f438e9a48c3a167ab45baf9f9d019ce48b
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/8361
Commit-Queue: Kai Ninomiya <kainino@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
2019-06-26 20:26:13 +00:00
Corentin Wallez 55ab6aacac Fix compilation of the GL backend on Windows
The generated OpenGLFunctionsBase code uses the MemoryBarrier identifier
which is a macro defined in windows.h. Undefined it in
windows_with_undefs.

BUG=dawn:165

Change-Id: I6fcfef8fa14074e946d6c13536c1ae33b38c2ac2
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/8160
Reviewed-by: Jiawei Shao <jiawei.shao@intel.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
2019-06-14 08:50:42 +00:00
Natasha Lee 28232ce9f5 Clear Vulkan Textures at first usage
This prevents dirty textures to be used when memory is recycled
while destroying/creating textures. If a texture is not cleared at load,
it will be cleared to 0 before it is used.

Bug: dawn:145
Change-Id: Ia3f02427478fb48649089829186ccb377caa1912
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/6960
Commit-Queue: Natasha Lee <natlee@microsoft.com>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
2019-06-11 18:11:05 +00:00
Idan Raiter 05f7ad5ac8 Reland "dawn_native: Indirect draw/dispatch"
This is a reland of 7eb6be186b
Fixes casting issue on 32 bit machines

Original change's description:
> dawn_native: Indirect draw/dispatch
>
> Adds indirect draw and dispatch for all backends (without validation).
>
> Tests for opengl negative offset are skipped since there is no easy
> way to add the index buffer offset. Current idea is to use a compute
> shader to modify the indirect draw buffer.
>
> Change-Id: I1d3eec7c699b211423f4b911769cca17bfbcd045
> Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/7481
> Commit-Queue: Idan Raiter <idanr@google.com>
> Reviewed-by: Kai Ninomiya <kainino@chromium.org>

Change-Id: Id28c5658ee18ec5c030f721fb44d9f11ebe21ff9
Bug:dawn:54,chromium:972358
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/7961
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Commit-Queue: Idan Raiter <idanr@google.com>
2019-06-10 20:56:27 +00:00
Austin Eng 39b8ddfbd9 Revert "dawn_native: Indirect draw/dispatch"
This reverts commit 7eb6be186b.

Reason for revert: This change is breaking Clusterfuzz bots. crbug.com/972358

Bug: chromium:972358

Original change's description:
> dawn_native: Indirect draw/dispatch
>
> Adds indirect draw and dispatch for all backends (without validation).
>
> Tests for opengl negative offset are skipped since there is no easy
> way to add the index buffer offset. Current idea is to use a compute
> shader to modify the indirect draw buffer.
>
> Change-Id: I1d3eec7c699b211423f4b911769cca17bfbcd045
> Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/7481
> Commit-Queue: Idan Raiter <idanr@google.com>
> Reviewed-by: Kai Ninomiya <kainino@chromium.org>

TBR=cwallez@chromium.org,kainino@chromium.org,idanr@google.com

# Not skipping CQ checks because original CL landed > 1 day ago.

Change-Id: I9b7b63de0900e20c4da8561ceb9b2dece77c3885
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/7960
Commit-Queue: Austin Eng <enga@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
2019-06-10 17:15:27 +00:00
Idan Raiter 7eb6be186b dawn_native: Indirect draw/dispatch
Adds indirect draw and dispatch for all backends (without validation).

Tests for opengl negative offset are skipped since there is no easy
way to add the index buffer offset. Current idea is to use a compute
shader to modify the indirect draw buffer.

Change-Id: I1d3eec7c699b211423f4b911769cca17bfbcd045
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/7481
Commit-Queue: Idan Raiter <idanr@google.com>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
2019-06-07 17:32:37 +00:00
Austin Eng 233ce73c50 Add Create/ReleaseStagingBuffer to DynamicUploader
StagingBuffers need to be created and explicitly released outside of
the RingBuffer for CreateBufferMapped since the staging buffer must live
until the Buffer is Unmapped or Destroyed. This patch adds methods to the
DynamicUploaded for creating and tracking the release of StagingBuffers.

This patch also fixes SerialQueue for non-copy-constructible types.

Bug: dawn:7
Change-Id: I582c4d9cf452f808a8a7ab4164ff833087619a18
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/7720
Commit-Queue: Austin Eng <enga@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
2019-06-05 16:16:37 +00:00
Corentin Wallez 8dfc593eb7 Remove the concept of push constants
BUG=dawn:14

Change-Id: I20587081ec806034ce4f90457c3d475a6fbe834d
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/7180
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
2019-05-29 13:16:06 +00:00
Yunchao He eea2091068 Update VertexInput (InputState) to match spec - Part 1
This is only a renaming: change VertexInput to VertexBuffer, and
change InputState to VertexInput.

The next two patches will do as follows:
1) change the structure of vertex input descriptor related stuff.
2) change num to count.

BUG=dawn:80, dawn:107

Change-Id: Ie76aa653a527759a9c3b4a4792e3254689f053b8
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/7420
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Commit-Queue: Yunchao He <yunchao.he@intel.com>
2019-05-22 22:46:32 +00:00
Yan, Shaobo 1b5fb81a01 Dynamic Buffer Offset : Validation
In a typical application, most draws will use different uniforms values for
things like the world position and orientation. In the current state of WebGPU
this means that a new bind group needs to be created for each draw to set the
right uniforms. Bind group creation is expected to be more expensive than
recording draws because they incur an allocation.

This feature is to reduce the number of bind groups that need to be
created.

The patch implemented dynamic buffer offset validation logics and adding unittests.

BUG=dawn:55
Change-Id: If6200a87bfedba825abcbfe60f336eab2e27226a
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/7100
Commit-Queue: Shaobo Yan <shaobo.yan@intel.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
2019-05-17 02:05:37 +00:00
Bryan Bernhart efef0e4b1f Detect integrated device type on Intel iGPUs.
Fix to prevent incorrectly reporting the device type.

BUG=dawn:144

Change-Id: Ie1956d908b20649787aef785cd29f0f63f524431
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/6980
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Commit-Queue: Bryan Bernhart <bryan.bernhart@intel.com>
2019-05-10 02:18:49 +00:00
Rafael Cintron f54bb68f47 Improve usage of static_casts over reinterpret_casts
Static_casts are prefered over reinterpret_casts for better type
safety

Change-Id: I190cbee293591ebf8ab8035e900c081848eb1f30
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/6921
Commit-Queue: Kai Ninomiya <kainino@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
2019-05-03 00:58:27 +00:00
Yan, Shaobo 9286adcb0f Add end2end test for all vertex formats
BUG=dawn:41

Change-Id: I37bde37843522a8d7c8b3bea1cb24c0971efd8e2
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/6340
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Shaobo Yan <shaobo.yan@intel.com>
2019-04-26 15:25:18 +00:00
Jiawei Shao 51fd66e3dd Add missing Constants.h in src/common/BUILD.gn
This patch adds the missing Constants.h in src/common/BUILD.gn so that
we can see this file under the folder "src/common" of the Visual Studio
project generated by GN.

BUG=dawn:134

Change-Id: I513315ee2adbd93cf1ff61d112e8a4f65f660bce
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/6520
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
2019-04-11 07:41:38 +00:00
Corentin Wallez 91e949292f BUILD.gn: put public include dirs in all_dependent_configs
The public include dirs for Dawn were in the dawn_public config but it
would only be added to targets as a part of public_configs. This meant
that second-level dependencies that ended up needing to include
dawn/dawn.h wouldn't know where to find it.

Fixed this by adding include dirs in all_dependent_configs and renamed
the config to be very explicit that it is for include dirs only.

BUG=chromium:938895

Change-Id: Iad70f3ce1f8a02b96bf341e7dd7d6068ce645af7
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/5920
Reviewed-by: Austin Eng <enga@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
2019-03-26 17:16:28 +00:00
Austin Eng 45f9730855 Capitalize C types dawn -> Dawn
This is to match Chromium style.

Change-Id: Ic97cc03e2291c653ade9662ba3d5e629872b10ad
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/5482
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Austin Eng <enga@chromium.org>
2019-03-11 16:52:42 +00:00
Corentin Wallez aa9d6ad09d Only build "common" on supported systems
src/common/BUILD.gn contains common dawn configs and will be discovered
by all Chromium builds. "common" doesn't build on all system, for
example Fuchsia so we only expose the target if we are on a supported
system.

BUG=dawn:61

Change-Id: Ib12b1bd3e32529e1969fdc2fc50af05f8e97e7df
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/5360
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
2019-03-07 13:39:50 +00:00
Corentin Wallez 579cf621f3 Split off common and libdawn / dawn_headers from BUILD.gn
This adds an option to dawn_generator to generate files in a different
directory so the generated stay at the same place. Otherwise compilation
errors occur because of stale versions of the headers on the CQ
builders.

BUG=dawn:61

Change-Id: I71ceb3172b5a4e35911973a03be29d90fa684416
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/5304
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
2019-03-07 01:46:39 +00:00
Yunchao He 87bf834109 Add more validations for input state
This change sets limit for stride in VertexInputDescriptor and
offset in VertexAttributeDescriptor, and adds validation code
for them.

It also uses existing descriptors to replace redundant definitions.

BUG=dawn:107

Change-Id: Ifbb07f48ec9a5baae8ae8d21865dc384670b759a
Reviewed-on: https://dawn-review.googlesource.com/c/4901
Commit-Queue: Yunchao He <yunchao.he@intel.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
2019-02-22 15:08:03 +00:00
Corentin Wallez 445869d2b0 Fix extra semicolon in DAWN_UNUSED_FUNC
This is fixes the soon to be added -Wc++98-compat-extra-semi wraning.

TBR=kainino@chromium.org
BUG=

Change-Id: I26abb54c821a9ad0893af37b626c44d8271c216c
Reviewed-on: https://dawn-review.googlesource.com/c/4661
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
2019-02-13 22:11:48 +00:00
Bryan Bernhart 74e95fff4a Memory manager: buffer uploads (D3D) - Part 1
Manages a single persistently mapped GPU heap which is sub-allocated
inside of ring-buffer for uploads. To handle larger buffers without additional
unused heaps, ring buffers are created on-demand.

BUG=dawn:28
TEST=dawn_unittests

Change-Id: Ifc5a1b06baf8633f1e133245ac1ee76275431cc5
Reviewed-on: https://dawn-review.googlesource.com/c/3160
Commit-Queue: Bryan Bernhart <bryan.bernhart@intel.com>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
2019-01-29 00:10:07 +00:00
Corentin Wallez 90e594ee8b OpenGL: Implement the backend connection and adapter.
The OpenGL backend can't gather discover default adapters because it
needs getProc to do anything so we add DiscoverAdapters method to
Instance that takes backend-specific options.

dawn_native::opengl::CreateDevice is removed in favor of the adapter
path so OpenGLBinding is modified to create an instance locally. This is
only temporary until all backends support adapters, at which point a lot
of *Binding code will be factored.

Also contains a small fix for Result<T, E> with movable types.

BUG=dawn:29

Change-Id: I4eb3d4a14a871af73e1872132aff72b45e5fe566
Reviewed-on: https://dawn-review.googlesource.com/c/3663
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
2019-01-07 09:48:03 +00:00
Yan, Shaobo 93158ebede Complete the sampler object to match WebGPU
WebGPUSampler is much more complete than Dawn's Sampler.
This patch implement the missing part.

BUG=dawn:47

Change-Id: Ief45cb9710493e9d79ddab60fe3be5a123b76ebd
Reviewed-on: https://dawn-review.googlesource.com/c/3540
Commit-Queue: Shaobo Yan <shaobo.yan@intel.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
2019-01-04 04:56:08 +00:00
Stephen White 0f50114b3c Disable/avoid some warnings.
Implement DAWN_DECLARE_UNUSED macro to avoid -Wunneeded-internal-declaration
warning.

Change-Id: I4d087d2b09b74e35ba7ea69533df2c5adef4ef82
Reviewed-on: https://dawn-review.googlesource.com/c/2943
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Stephen White <senorblanco@chromium.org>
2018-12-06 19:01:22 +00:00
Corentin Wallez df72914a60 Result: Add default template for Result<T, E>
It currently is a tagged pair instead of a tagged union because it was
much easier to write and the optimization can come later.

BUG=dawn:19

Change-Id: Idbfd86d559655b38871c2d1768bdd758e797dfbd
Reviewed-on: https://dawn-review.googlesource.com/c/2701
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Stephen White <senorblanco@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
2018-11-29 12:40:26 +00:00
Austin Eng e06d57d338 Factor SerialQueue into SerialQueue and SerialMap
This change moves most of SerialQueue into SerialStorage
and factors it to make SerialMap and SerialQueue. SerialMap
does not enforce that items are Enqueue'd in monotonically
increasing order. This is useful for implement timeline fences
because OnCompletion callbacks may be added in an arbitrary order.

Bug: dawn:26
Change-Id: I03376117311112b0b94ed887a31974f36c4a5464
Reviewed-on: https://dawn-review.googlesource.com/c/2720
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
2018-11-28 17:30:12 +00:00
Corentin Wallez 596d6fe00d Result: Fix documentation and a typo
BUG=

Change-Id: I42425a1ee0a4e62a7c1e090878a9d61534eaf784
Reviewed-on: https://dawn-review.googlesource.com/c/2700
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
2018-11-28 11:30:43 +00:00
Corentin Wallez 2960ec3366 Add support for all of Chromium's CPU architectures.
BUG=chromium:870747

Change-Id: I421819871f5c45ac07850585e5dcc600d1ff8086
Reviewed-on: https://dawn-review.googlesource.com/c/2140
Reviewed-by: Stephen White <senorblanco@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
2018-11-01 14:30:24 +00:00
Corentin Wallez 146edf5bec Remove support for CMake builds
This also removes support for Travis and AppVeyor, as well as git
submodules for dependencies.

It also adjusts .gitignore to include dependencies (submodules are
implicitly ignored but are removed in this commit).

Finally, removes some CMake-specific code from the code generator.

BUG=

Change-Id: I4ebc04e530a574b412ef0ca81e4672db01f0ed92
Reviewed-on: https://dawn-review.googlesource.com/c/2040
Reviewed-by: Stephen White <senorblanco@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
2018-10-31 10:53:11 +00:00
Corentin Wallez 03e1813fd2 Add DAWN_UNUSED_FUNC to ignore unused functions in generated code
BUG=dawn:13

Change-Id: I7a224503d0a33ef148e63b8327a6a53df1b3868a
Reviewed-on: https://dawn-review.googlesource.com/1520
Commit-Queue: Kai Ninomiya <kainino@chromium.org>
Reviewed-by: Stephen White <senorblanco@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
2018-09-17 22:59:08 +00:00
Corentin Wallez 98ca29b582 Fix VkNonDispatchableHandle alignment on Linux x86
There alignof(uint64_t) is 8 but it is aligned to 4 inside structures.

Change-Id: Ia94e9e5c962e9f5898a8f39977b83a9e10cbf454
2018-09-05 08:01:24 -04:00
Corentin Wallez d90748b256 Fix VkNonDispatchableHandle's alignment on 32bit platforms
On 32bit platforms, even if it contains a uint64_t the handle wrapper
will align to 4 bytes because the assembly load operations can't take
advantage of 64bit aligned loads.

Fix this by forcing the alignment to the alignment of what would be the
native Vulkan handle type.

Also use macros with defined()

Change-Id: I0de9b4a77e648c416b04311b854c956762248868
2018-08-24 05:47:57 -04:00
Corentin Wallez 5800712897 Workaround a _GLIBCXX_DEBUG bug for std::hash<std::bitset>
This fixes the GN debug build on Linux.

Change-Id: I847a8c67eda1f9069477de0af910f0cd520ccc2c
2018-08-21 02:28:16 -04:00
Corentin Wallez 5b61abce09 Fix Windows compilation using GN and clang-cl.
This includes a bunch of fixes for clang warnings in Windows specific
code that was only compiled by MSVC previously. This also tidies up some
BUILD.gn issues on Windows.
2018-08-14 21:42:32 +02:00
Corentin Wallez 5d313225ff Make the Vulkan backend interface use native Vulkan types
This extends our Vulkan handle wrapper to have conversions from uint64_t
as well as the native Vulkan types:
 - The dawn_wsi interface uses the uint64_t version.
 - The backend interface uses the native Vulkan version
2018-07-27 12:56:26 +02:00
Corentin Wallez 6c27fd9c94 CMakeLists: Generate Dawn headers separately from libdawn
libdawn will be one of the libraries produced but other libraries like
libdawn_native don't need to link against it. However they do need the
Dawn headers so we generate them separately.

This also makes all internal targets depend on the header generation and
have the include directories necessary for those headers.

Also has a small fix for setting compile flags only for C++ files.
2018-07-25 21:03:49 +02:00
Corentin Wallez d37523fbde Move src/backend to src/dawn_native 2018-07-25 11:27:55 +02:00
Corentin Wallez 9fc65344f4 Rename NXT -> Dawn in the comments 2018-07-18 22:54:06 +02:00
Corentin Wallez b1669e3fa4 Change the API prefix in generators from nxt to dawn 2018-07-18 22:54:06 +02:00
Corentin Wallez 05c90ee4cb Rename nxt -> dawn for dawn_wsi.h declarations
Also does the initial complete formatting of files in src/include
2018-07-18 22:54:06 +02:00
Corentin Wallez fde3f2b5e0 Rename NXT -> Dawn in the rest of CMakeLists 2018-07-18 22:54:06 +02:00
Corentin Wallez d148aebf3f Rename CMakeLists targets nxt -> dawn 2018-07-18 22:54:06 +02:00
Corentin Wallez f1ded9bea2 Rename CMakeLists variables NXT_* to DAWN_* 2018-07-18 22:54:06 +02:00
Corentin Wallez 83a9c9d6d9 Rename src/common macros NXT_* to DAWN_* 2018-07-18 22:54:06 +02:00
Corentin Wallez 4a9ef4ee21 Rename the copyright authors from NXT to Dawn 2018-07-18 22:54:06 +02:00
Corentin Wallez 629c11baad Add windows_with_undefs.h to fix conflicts with windows.h
windows.h adds macros such as `#define GetMessage GetMessageA` which
cause conflicts in naming when for example a class definition is before
windows.h and a use is after windows.h

Add a header that can be used both to include windows.h and remove
defines, and to only remove defines (when windows.h is included by)
external dependencies.
2018-07-17 22:34:10 +02:00
Corentin Wallez 82565b340f Add NXT_UNUSED to silence unused warnings 2018-06-12 14:26:32 -04:00
Corentin Wallez 44b5ca4aa1 Add a functional-y Result<T, E> class and tests for it.
Implements two optimized versions of Result, one for Result<void, E*> as
a nullable pointer, and one for Result<T*, E*> as a tagged pointer.
2018-05-31 15:00:28 -04:00
Corentin Wallez 2141e960b7 Add NXT_(UN)?LIKELY macros to help with branch prediction 2018-05-31 15:00:28 -04:00