627 Commits

Author SHA1 Message Date
Ben Clayton
4c9ed74b5e tint: IntrinsicTable: Rename open/closed -> template
The concept of 'closing' an open type or number made sense when these
were immutable once the first type/number had been matched during
overload resolution.
In order to support abstract numerics, these template parameters need to
be constrained as the arguments are evaluated, so there's no longer a
binary open / closed state.

Give up on this concept, and rename everything to 'template type' and
'template number'. This is likely easier for people to understand
anyway.

Also fix a small typo in the ICE message printed when there's an
ambiguous overload resolution (should never happen with the current
entries in the table).

Bug: tint:1504
Change-Id: I2bf043c71e5afa757259968eae4af830c50f38e0
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/90662
Commit-Queue: Ben Clayton <bclayton@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: David Neto <dneto@google.com>
2022-05-17 22:42:32 +00:00
Ben Clayton
aaa9ba3043 tint: Simplify sem::Constant::Scalar
Migrate from a hand-rolled tagged-union of [i32, u32, f32, f16, bool]
types. Instead use a std::variant of [AInt, AFloat, bool]. The Constant
holds the actual type, so no information is lost with the reduced types.

Note: Currently integer constants are still limited to 32-bits in size.
This is enforced by the frontend.

Bug: tint:1504
Change-Id: I316957787649c454fffb532334159d726cd1fb2d
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/90643
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: James Price <jrprice@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
2022-05-17 20:51:04 +00:00
Ben Clayton
661e33ca18 tint: Cleanup of IntrinsicTable
Remove the ProgramBuilder from ClosedState and use a pointer for the
'overload' field instead of a reference. Let's the Candidate be
copy-assignable, which in turn, allows the Candidates vector to be
sorted directly, instead of jumping through hoops to use moves.

Replace random mix of 'int', 'uint8_t' with 'size_t' (externally to the
constant table data). Reduces fragile weak binding between distant code.

Swap the overload scoring order (high-best -> low-best). Remove the
'matched' field - we can now just check whether the 'score' is 0.
Further simplifies sorting.

Change-Id: I4a4b7934be337306202647d096c546eab5c8498f
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/90641
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: David Neto <dneto@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
2022-05-17 17:54:32 +00:00
Antonio Maiorano
8ba6e1d6ec tint: limit expression depth to avoid stack overflow in backends
Bug: chromium:1324533
Change-Id: I2a334eaee59b2235830057b78c92b919ff0ea940
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/90302
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
2022-05-17 15:01:42 +00:00
James Price
5880ed164a tint: Fix edge for CallSiteRequiredToBeUniform
If the CallSiteRequiredToBeUniform tag is present, add the edge from
RequiredToBeUniform to a new diagnostic node for the function call,
instead of to the control flow coming out of the function call. Doing
the latter causes a false positive when a function both requires
uniform control flow and causes non-uniform control flow.

Bug: tint:880
Change-Id: Icade8f76302e8c21529502f5f945f1981acfc45a
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/90582
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Auto-Submit: James Price <jrprice@google.com>
2022-05-17 08:08:44 +00:00
Ben Clayton
3b5edf1435 tint: Add matrix identify and single-scalar ctors
Fixed: tint:1545
Change-Id: I86451223765f620861bf98861142e6d34c7e945b
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/90502
Reviewed-by: David Neto <dneto@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
2022-05-16 21:14:11 +00:00
Ben Clayton
6ae608cb03 tint: Add constructors and conversions to the intrinsic table
For all types except for arrays and structures, which are explicitly
typed and have trivial overloads.

This will simplify maintenance of type functions, unifies diagnostic
messages and will greatly simplify the [AbstractInt -> i32|u32]
[AbstractFloat -> f32|f16] logic.

Bug: tint:1504
Change-Id: I2b17ed530d1cece22adcbfc6de0bec4fbda4c7bd
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/90248
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: David Neto <dneto@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
2022-05-16 20:54:42 +00:00
Ben Clayton
9ff8abf347 tint: Fix clang chromium-style warnings treated as errors
When importing Dawn into Tint:

error: [chromium-style] auto variable type must not deduce to a raw pointer type.
Change-Id: I6ff4451a5519c38b18eb8d96f6bc82b8090077f8
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/90500
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: James Price <jrprice@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
2022-05-16 12:04:01 +00:00
James Price
35f0fcaac0 tint/uniformity: Use non-recursive graph traversal
Fixes a stack overflow when traversing particularly deep graphs.

This changes the iteration order which changes some of the diagnostic
notes, but the diagnostics are still correct and deterministic so it
does not matter.

Fixed: chromium:47418
Change-Id: I2def633b6d96d1525027f7929b0fa0a6fba0efeb
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/90140
Auto-Submit: James Price <jrprice@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
2022-05-16 11:53:25 +00:00
James Price
a89ff5981b tint: Show where control flow became non-uniform
Add additional nodes to capture places where control flow is changed
(if, switch, for, short-circuiting op, function call), and use these
to show the actual point at which control flow became non-uniform as a
result of a non-uniform value.

Do this recursively, to capture cases where control flow becomes
non-uniform after a function call statement.

Bug: tint:880
Change-Id: Ied92d690f98a5c11a1892eef500a50d0f123943d
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/89862
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
2022-05-16 11:53:25 +00:00
Ben Clayton
d8e77e2e73 tint: Prevent integer overflow in IntrinsicTable
If the WGSL provided over 255 arguments, then we'd overflow the uint8_t,
and a bad candidate could be matched.

We have validation in place to ensure that user functions are not
declared with more than 255 parameters, but no validation for number of
arguments provided.

Fixed: chromium:1323605
Change-Id: I048709e8b02bdd95d5082128a1186080c79b2fc7
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/90249
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
2022-05-13 23:17:28 +00:00
Ben Clayton
59e23943f3 tint: Minor IntrinsicTable cleanup
Fix the namespace - this should have been tint::resolver.
Use a single u32 bitset for overload flags instead of multiple fields.

Bug: tint:1504
Change-Id: I633b21ce14e20fc9aeeed5221886c1d22e327bdc
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/90241
Commit-Queue: Ben Clayton <bclayton@chromium.org>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
2022-05-13 16:14:17 +00:00
Ben Clayton
77473b4699 tint: Split tables for unary and binary operators
Do the partitioning of unary and binary operators in the intrinsic table
generators, instead of searching all operators at runtime.

Will allow code to be simplified.

Bug: tint:1504
Change-Id: I67246b954e530e0542b1b67c99fb34a756cf532a
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/90240
Commit-Queue: Ben Clayton <bclayton@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
2022-05-13 14:35:37 +00:00
Zhaoming Jiang
62bfd318ae tint: Implement f16 keyword in Tint frontend
This patch:
1. Add the `f16` WGSL extension.
2. Add `f16` as keyword, and remove it from reserved word list.
3. Add ast::f16 and sem::f16, and implement validation that using `f16`
   type must be with `f16` extension enabled.
4. Add `Number<NumberKindF16>` for f16 literal and constant, and add
   `ast::FloatLiteralExpression::Suffix::kH`.
5. Add placeholder in all writer which report error when try to emit f16
   type.

Bugs: tint:1473, tint:1502
Change-Id: Ifb363beeb2699ed7cac57e07227d1b2cfa8050b4
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/89922
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Zhaoming Jiang <zhaoming.jiang@intel.com>
2022-05-13 12:01:11 +00:00
Zhaoming Jiang
ed6ff9c948 tint: Rename kNotAnExtenxion to kNoExtension
This patch rename `ast::Enable::ExtensionKind::kNotAnExtenxion`
to `ast::Enable::ExtensionKind::kNoExtension`.

Change-Id: I28087d548cc8edf249545d51414a1becfa5a3b65
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/90162
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Zhaoming Jiang <zhaoming.jiang@intel.com>
2022-05-13 08:54:47 +00:00
James Price
816148fe32 tint: Add implicit CF_return->{last cf} edge
If the function has no return statements, we need to do this to
capture the potential non-uniformity coming from nested function
calls.

This also removes the need to add explicit edges for discard
statements, so remove them.

Bug: tint:880
Change-Id: I88b1132faf35a6d36460ef353912f77a15f8abaa
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/89861
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
2022-05-12 11:43:37 +00:00
Ben Clayton
cd55f15c98 tint/resolver: Fix chromium-style warning treated as error
[chromium-style] auto variable type must not deduce to a raw pointer type

Fixes Dawn -> Tint roll

Change-Id: I1e249dd9891d2f93d631032c1721e8980d8cb343
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/90000
Auto-Submit: Ben Clayton <bclayton@google.com>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
2022-05-12 11:22:17 +00:00
James Price
7dd0ab791a tint: Show the source of non-uniformity
Show the original source of non-uniformity when producing errors from
the uniformity analysis.

Bug: tint:880
Change-Id: Id386ae8fa5ff1b1443d54c0b5ef12ab76b3b3f13
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/89723
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
2022-05-11 22:05:15 +00:00
James Price
9c03abfb55 tint: Show the reason for a uniformity requirement
When producing an error from the uniformity analysis, add notes to
show the underlying reason for the uniformity requirement.

For function calls that are required-to-be-uniform, show the innermost
builtin call that has the requirement.

For function parameters that are required-to-be-uniform, recurse into
that function to show where its requirement comes from.

Add some new tests to specifically test the error messages.

Bug: tint:880
Change-Id: Ib166fdeceaffb156a3afc50ebc5a4ad0860dc002
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/89722
Reviewed-by: Ben Clayton <bclayton@google.com>
2022-05-11 22:05:15 +00:00
James Price
874b61f1ba tint/uniformity: Retain control flow graphs
Move the control flow graphs to `FunctionInfo` so that they are not
destroyed when we finish processing the function.

This will make it easier to produce more detailed diagnostics for
uniformity issues, which will be coming in subsequent CLs.

There is no functional change in this CL.

Bug: tint:880
Change-Id: I1322fb54b16bd1c660799a62435fbdcd7fb39cb2
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/89822
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
2022-05-11 22:05:15 +00:00
James Price
be656f7984 tint: Implement uniformity analaysis
This implements the uniformity analysis as currently described in the
WGSL specification. Uniformity issues are presented as warnings, and
will be switched to errors in a future release.

A follow-up patch will improve the error messages, which currently
just show the point at which a uniformity was detected.

In a future release, once we have obtained initial feedback from
users, uniformity issues will become errors.

Bug: tint:880
Change-Id: I7d0b3080932c786c5d50b55720fec6d19f00d356
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/88368
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Alan Baker <alanbaker@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
2022-05-11 22:05:15 +00:00
James Price
8e68f0aad7 tint: Resolve empty loop continuing blocks
Otherwise, calling `Sem().Get()` on an empty loop continuing block
will return nullptr, which causes issues when inspecting the semantic
information of ast::BlockStatement nodes generically.

Change-Id: Ib3665b750c96eda02355fa879cf6300b8d69293a
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/89721
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
2022-05-11 13:50:33 +00:00
James Price
2cf32b13d7 tint: Make ScopeStack key type generic
The scope stack has potential uses other than mapping from symbols.

Change-Id: I1eaedb9a9c913a7b2cda41bb99a986c552a66110
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/89720
Reviewed-by: Ben Clayton <bclayton@google.com>
2022-05-11 13:50:33 +00:00
Ben Clayton
0a3cda9911 tint: Replace all ProgramBuilder float literals with '_f' suffix
Unsuffixed float literals are currently treated as f32,
but will shortly become AbstractFloat. To keep tests behaving
identically to how they are currently, change all float literals
to explicitly use the f32 '_f' suffix.

Bug: tint:1504
Change-Id: I2a00725ee1b34a6efbe15ac4ba438c00c4416dd8
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/89402
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
2022-05-10 17:30:15 +00:00
Ben Clayton
636e3d0111 tint: Add a negation operator to Number
Use this for expressing negative i32s.
Replacing `i32(-123)` with `-123_i` is more readable as the former looks
like it should be generating a WGSL cast, which it does not.

Bug: tint:1504
Change-Id: Iead3885b903e1f707b8a7e6b9090d65930df118e
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/89401
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
2022-05-10 16:02:06 +00:00
Ben Clayton
17fa42d527 tint: Prevent Expr() implicit conversion to bool
Enfore that the Expr(bool) overloads are only used if the argument type
is explicitly a bool.

Fix a test bug where this was happening.

Change-Id: I5d7520be4859a700265d62b322416a90f278b2d3
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/89400
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>
2022-05-10 15:29:14 +00:00
Ben Clayton
41285aa578 tint: Lex different tokens for float suffixes
Generate different tokens for:
• 'f' suffixed float literals
• unsuffixed integer literals

'f' and unsuffixed are currently both treated as f32 by the resolver,
but this is the first step to supporting abstract floats.

Bug: tint:1504
Change-Id: Id3b1fe420b6eb8901f88d6a5de06ef4f54aa3edf
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/89031
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
2022-05-10 14:55:34 +00:00
Jiawei Shao
6c9e475211 tint: Support dot4I8Packed and dot4U8Packed in sem
This patch adds the support of dot4I8Packed and dot4U8Packed in
semantics under the extension "chromium_experimental_dp4a".

Bug: tint:1497
Test: tint_unittests
Change-Id: I659172fcb8953ba13b49664c6c9ad75724ff5957
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/88962
Commit-Queue: Jiawei Shao <jiawei.shao@intel.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
2022-05-10 09:05:54 +00:00
Ben Clayton
b61e0452f8 tint: Add unary-ops to the intrinsic table
• Declare all the unary ops in the intrinsics.def file.
• Reimplement the bulk of Resolver::UnaryOp() with the IntrinsicTable.

This will simplify maintenance of the operators, and will greatly
simplify the [AbstractInt -> i32|u32] [AbstractFloat -> f32|f16] logic.

Bug: tint:1504
Change-Id: Ifc646d086fc93cfbe3f3f861b8c447178664c1f7
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/89028
Reviewed-by: James Price <jrprice@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@chromium.org>
2022-05-09 21:22:24 +00:00
Ben Clayton
9fb29a364e tint: Add binary-ops to the intrinsic table
• Declare all the binary ops in the intrinsics.def file.
• Reimplement Resolver::BinaryOpType() with the IntrinsicTable.

This will simplify maintenance of the operators, and will greatly
simplify the [AbstractInt -> i32|u32] [AbstractFloat -> f32|f16] logic.

Bug: tint:1504
Change-Id: Ie028602e05b59916c3f2168c92f200f10e402b96
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/89027
Reviewed-by: James Price <jrprice@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
2022-05-09 20:00:13 +00:00
Ben Clayton
e6e96def66 tint: Add operator support to intrinsic-gen
Adapt the builtin parsing and resolving to also support operators.
Will be used to generate intrinsic table entries for operators.

This will simplify maintenance of the operators, and will greatly
simplify the [AbstractInt -> i32|u32] [AbstractFloat -> f32|f16] logic.

Bug: tint:1504
Change-Id: Id75735ea24e501877418812185796f3fba88a521
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/89026
Commit-Queue: Ben Clayton <bclayton@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
2022-05-09 18:08:23 +00:00
Ben Clayton
e132516e6f tint: Rename and move builtin_table and builtin-gen
• Rename 'builtin-gen' back to 'intrinsic-gen', as 'intrinsics' now
  include both builtins and operators.
• Move the intrinsic definitions, and IntrinsicTable to the resolver
  package, where it belongs.

Bug: tint:1504
Change-Id: I5ad5c285c1e360a224ee1235c293ccd55eb2693d
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/89025
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
2022-05-06 15:13:01 +00:00
Ben Clayton
0ce9ab042e tint: Change all ProgramBuilder literals to 'i' or 'u' suffix
Unsuffixed integer literals are currently treated as i32,
but will shortly become AbstractInteger. To keep tests behaving
identically to how they are currently, change all test literals
to using either 'i' or 'u' suffixes.

Bug: tint:1504
Change-Id: Ic373d18ce1c718a16b6905568aec89da3641d36b
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/88845
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>
2022-05-05 20:23:40 +00:00
Ben Clayton
8822e2966a tint: Merge [S|U]intLiteralExpression
Merge SintLiteralExpression and UintLiteralExpression with
IntLiteralExpression. IntLiteralExpression has a new Suffix field which
indicates whether the literal is either a:
• 'i' suffixed integer literal
• 'u' suffixed integer literal
• no-suffix integer literal

Have the SPIR-V reader produce no-suffixed literals for i32 types, to
keep this change small. In future changes the SPIR-V reader will
produce 'i' suffixed types for these.

Have all consumers of IntLiteralExpression treat unsuffixed integers the
same as 'i'-suffixed literals. Unsuffixed will be treated as abstract in
future changes.

Removed SemHelper::TypeOf(const ast::LiteralExpression* lit).

Fixed: tint:1510
Bug: tint:1504
Change-Id: I443f41984e637ddd948182ee756af1010c5f8226
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/88842
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
2022-05-04 22:18:49 +00:00
James Price
8aff0ed684 tint: Add ProgramBuilder::Else() helper
This aids readability when building chains of if-else statements.

Change-Id: I77ed5a16421bd52302db61f2776d55971838e122
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/88366
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
2022-05-02 14:53:36 +00:00
dan sinclair
41e4d9a34c Consistent formatting for Dawn/Tint.
This CL updates the clang format files to have a single shared format
between Dawn and Tint. The major changes are tabs are 4 spaces, lines
are 100 columns and namespaces are not indented.

Bug: dawn:1339
Change-Id: I4208742c95643998d9fd14e77a9cc558071ded39
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87603
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
2022-05-01 14:40:55 +00:00
James Price
26ebe5ec36 tint: Refactor if-else statement representation
Instead of using an `if` node that has a list of `else` statements,
make each `if` statement have a single optional `else` statement,
which may itself be an `if` statement (or just a block statement).

This better matches the WGSL grammar (now that we have removed
`elseif`), and simplifies various pieces of code that handle these
statements.

Change-Id: Ie4272f1422224490ac598a03aa8b4dd00ba03010
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87940
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Commit-Queue: James Price <jrprice@google.com>
2022-04-29 00:14:53 +00:00
Ben Clayton
01004b7732 tint: Remove '_type' suffix from file names
These suffixes existed because the GN build errored when there were two files sets with the same name (ast + sem).
This is no longer required as the GN build splits these into two separate targets.

Change-Id: Ib451da33a5f4aa5c867cb99419dd252766dc3daa
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/88308
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: James Price <jrprice@google.com>
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
2022-04-28 18:49:04 +00:00
Ben Clayton
e85fe161cd tint: ProgramBuilder: Rename Const() to Let()
These methods produce `let` declarations.
With creation-time expressions, we'll need to add `const` declarations.

Note that module-scope `let` declarations have been removed in the spec (for `const`). ProgramBuilder::GlobalConst() has not been renamed, although it still currently produces 'let' declarations.

Bug: tint:1504
Change-Id: I34f6d62236f0572163fc9c2d8fddfe4503817422
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/88305
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
2022-04-28 14:35:04 +00:00
dan sinclair
f7ec85f9bd Rename UniformConstant to Handle.
The UniformConstant storage class was renamed to Handle in the WGSL
spec. This CL updates Tint internals to match.


Bug: tint:1138
Change-Id: I93ec581575955ab6830eb8aea44f74dbc28e9ef5
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/88280
Auto-Submit: Dan Sinclair <dsinclair@chromium.org>
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
2022-04-28 09:48:26 +00:00
Ben Clayton
6bdd6592d9 DEPS: Update Dawn standalone toolchains
Roll chromium/src/build       c7876b5 .. 87b04ad
Roll chromium/src/buildtools  e1471b2 .. f0d740e
Roll chromium/src/tools/clang df9b14e .. 3c4a622

Required to roll ANGLE as it now uses new Clang flags.

Change-Id: I55caa9892ff65ebc4852b2d49df88908ee1ca3e7
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/88221
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
2022-04-28 08:26:23 +00:00
Zhaoming Jiang
7098d3d692 tint: Add enable directive for extensions
In this CL the enable directive is implemented.
1. Add AST node for enable directive, assign a ExtensionKind (enum) for
each supported extension.
2. Use an unorder_set in ast::Module to record all required extensions'
kind.
3. Provide inspector methods for getting names of used extension, and
getting all used enable directives' extension names and location.
4. For different writer, the extension nodes are handled in different
ways. MSL and HLSL writers will just ignore the extension nodes, while
SPIRV and GLSL writers will emit corresponding code.
5. Implement unittests and end2end test for enable directive and
inspector, using a reserved extension name `InternalExtensionForTesting`.

Bug: tint:1472
Change-Id: I40cb4061554deb477bc2005d7e38c9718385f825
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86623
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Zhaoming Jiang <zhaoming.jiang@intel.com>
2022-04-27 02:27:52 +00:00
dan sinclair
d3a5080c7b Fixup validator tests added during split from resolver.
This PR adds the validator_is_storable test into the CMakeList file
correctly and removes the helper files. The resolver helper is used
instead and a test helper to return the validator added into the
resolver.

Change-Id: I5b18bcc6373e3b39807af05cf5c058fab61ed4ca
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/88041
Auto-Submit: Dan Sinclair <dsinclair@chromium.org>
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
2022-04-26 22:19:22 +00:00
James Price
98eb169692 tint: Track originating variables in the resolver
Attach the source variable to the sem::Expression nodes.

Bug: tint:1341
Change-Id: I71d8fcf5920c4daab9035c7a5615b34378889dac
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87606
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
2022-04-22 17:40:33 +00:00
dan sinclair
f05575bb21 [tint] Move validation code into a Validator class.
This CL moves the Validate methods from the Resolver into a specific
Validator class used by the Resolver.

Bug: tint:1313
Change-Id: Ida21a0cc65f2679739c8499de7065ff8b58c4efc
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87150
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
2022-04-21 13:40:16 +00:00
dan sinclair
b3741f5036 Add missing doc comment.
This CL should fix the doxygen error on kokoro.

Change-Id: I820e6e6674edbc1af2b51ceb3cf87d724d7c0962
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87300
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
2022-04-19 21:40:05 +00:00
dan sinclair
bb62ef0d2c [tint] Split sem methods to a helper.
This CL moves the various sem methods in the resolver to a helper class.

Bug: tint:1313
Change-Id: I1f5e77a7864935d44d327b2b8462f931d46977ca
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87149
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
2022-04-19 15:00:44 +00:00
dan sinclair
a1f13f8bad [tint] Make most Validate methods const.
This CL makes all the validation methods const except for
ValidateSwitch.

Bug: tint:1313
Change-Id: I19ce7beae5ab4591d525dad4dca45f03dd4733b3
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87148
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
2022-04-19 13:53:36 +00:00
dan sinclair
0c3e5a0813 [tint] Pass the valid layout storage into ValidateStorageClassLayouts
This CL changes ValidateStorageClassLayouts to take the
valid_type_storage_layouts_ as a parameter instead of accessing
directly.

Bug: tint:1313
Change-Id: I2eade6abd9b0acf3d8937c08b0453682be8864fa
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87147
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
2022-04-19 04:26:24 +00:00
dan sinclair
d431eb9d94 [tint] Move potential type creation out of ValidateReturn.
This CL moves the possible call to create the return type out of the
ValidateReturn and into the call. The type is then passed into the
ValidateReturn method.

Bug: tint:1313
Change-Id: I5d2e78b945fc47a14072f503d0478a7da051137d
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87146
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
2022-04-19 03:38:26 +00:00