Commit Graph

164 Commits

Author SHA1 Message Date
Ben Clayton a70c14dbce main: Replace --dawn-validation with --validate
Performs output validation with spirv-val for SPIR-V (as before), HLSL
validation with DXC, and MSL validation with the Metal Shader Compiler.

Disable HLSL tests that fail to validate

Bug: tint:812
Change-Id: If78c351b4e23c7fb50d333eacf9ee7cc81d18564
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/51280
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
2021-06-02 21:02:34 +00:00
James Price 94ac078990 writer/msl: Wrap each array type in a struct
This allows them to be used in various places that WGSL allows, such
as function return types and parameters, and as the type of the RHS of
an assignment.

Fixed: tint:814
Fixed: tint:820
Change-Id: Idb6a901b9a34e96bb9733cc158191e7b3bafaa0e
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/52844
Auto-Submit: James Price <jrprice@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: James Price <jrprice@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
2021-06-02 17:23:03 +00:00
James Price cbd3bbc6d7 Disable MSL tests that fail to validate
Change-Id: Iaf31627798a83625a075e529aa3886cf84b164b1
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/52040
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: James Price <jrprice@google.com>
Auto-Submit: James Price <jrprice@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
2021-05-27 16:48:57 +00:00
James Price 5102f87e38 writer/msl: Add parentheses for member accesses
The LHS should be wrapped in parentheses if it has lower precedence
than the access. This fixes issues with pointer dereferences followed
by member accesses, where we were previously generating *a.b.

Fixed: tint:831
Change-Id: I8a194ad4f54c80a01c24eb983ec8064037575216
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/51963
Kokoro: Kokoro <noreply+kokoro@google.com>
Auto-Submit: James Price <jrprice@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
2021-05-27 14:15:47 +00:00
James Price 7a47fa8495 writer/msl: Handle private and workgroup variables
Add a transform that pushes these into the entry point and then passes
them by pointer to any functions that need them.

Since WGSL does not allow non-function storage class at
function-scope, add a DisableValidation attribute to bypass this
check.

Fixed: tint/726
Change-Id: Ic1f4cd691a54c19e77a60e8ba178508e4249bfd9
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/51962
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: James Price <jrprice@google.com>
Auto-Submit: James Price <jrprice@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
2021-05-26 15:41:02 +00:00
Ben Clayton ed86bf99b0 Add transform::Simplify
Performs basic peephole optimizations on the AST.

Use in transform::Hlsl.

Required to have the DecomposeStorageAccess transform operate correctly with the output of InlinePointerLets transform, specifically when declaring `let` pointer expressions to storage buffers.

Fixed: tint:221
Fixed: tint:492
Fixed: tint:829
Change-Id: I536390921a6492378104e9c3c100d9e761294a27
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/51921
Commit-Queue: Ben Clayton <bclayton@chromium.org>
Reviewed-by: David Neto <dneto@google.com>
2021-05-21 21:01:23 +00:00
Ben Clayton ada560b289 writer/hlsl: Fix continuing block emission
Inline the `continuing` block in the places where `continue` is called.

Simplifies the emission, and fixes emission of `let` statements in the loop.

Also fix random indenting of intrinsic functions.

Fixed: tint:744
Fixed: tint:818
Change-Id: I06994dbc724bc646e0435a1035b00760eaf5f5ab
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/51784
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: David Neto <dneto@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
2021-05-20 21:31:37 +00:00
James Price 0c978e9bbb writer/msl: Fix array type emission
Add a special-case for pointer-to-array types, where the * and the
variable name need to be enclosed in parentheses in between the array
element type and the size.

Move the `const` qualifier to before the array size.

Add E2E tests to cover all non-handle types used in various places.

Fixed: tint:822
Change-Id: I93b7d6867f92397aa47838ab2c94530b6e634617
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/51823
Auto-Submit: James Price <jrprice@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
2021-05-20 21:20:47 +00:00
Ben Clayton 351ac4a009 transform::VarForDynamicIndex: Operate on matrices
Much like arrays, the SPIR-V writer cannot cope with dynamic indexing of matrices.

Fixed: tint:825
Change-Id: Ia111f15e0cf6fbd441861a4b3455a33b82b692ab
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/51781
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: David Neto <dneto@google.com>
Reviewed-by: James Price <jrprice@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Auto-Submit: Ben Clayton <bclayton@google.com>
2021-05-20 18:16:07 +00:00
Ben Clayton 9e32b20096 Add transform::VarForDynamicIndex
Use this as part of the Spirv sanitizer.
Cleans up buggy dynamic array indexing logic in the SPIR-V writer.

Fixed: tint:824
Change-Id: Ia408e49bd808bc8dbf3a1897eb47f9b33b71fdfb
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/51780
Commit-Queue: Ben Clayton <bclayton@google.com>
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
Auto-Submit: Ben Clayton <bclayton@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
2021-05-20 11:55:28 +00:00
Ben Clayton 09d53d5ed1 writer/hlsl: Emit `static` for private global variables
Fixed: tint:812
Change-Id: I822eb6b13f07a74eb47c4c8e18d1f75dcc4818bf
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/51366
Commit-Queue: Ben Clayton <bclayton@chromium.org>
Reviewed-by: James Price <jrprice@google.com>
Reviewed-by: David Neto <dneto@google.com>
2021-05-19 09:03:48 +00:00
Ben Clayton 9b54a2e53c Implement Pointers and References
This change implements pointers and references as described by the WGSL
specification change in https://github.com/gpuweb/gpuweb/pull/1569.

reader/spirv:
* Now emits address-of `&expr` and indirection `*expr` operators as
  needed.
* As an identifier may now resolve to a pointer or reference type
  depending on whether the declaration is a `var`, `let` or
  parameter, `Function::identifier_values_` has been changed from
  an ID set to an ID -> Type* map.

resolver:
* Now correctly resolves all expressions to either a value type,
  reference type or pointer type.
* Validates pointer / reference rules on assignment, `var` and `let`
  construction, and usage.
* Handles the address-of and indirection operators.
* No longer does any implicit loads of pointer types.
* Storage class validation is still TODO (crbug.com/tint/809)

writer/spirv:
* Correctly handles variables and expressions of pointer and
  reference types, emitting OpLoads where necessary.

test:
* Lots of new test cases

Fixed: tint:727
Change-Id: I77d3281590e35e5a3122f5b74cdeb71a6fe51f74
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/50740
Commit-Queue: Ben Clayton <bclayton@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: David Neto <dneto@google.com>
2021-05-18 10:28:48 +00:00
Ben Clayton d1232670ae test: Generate expected output for all tests
The expected output is far from perfect, and the generated HLSL and MSL
isn't even validated yet, so may be incorrect.

However, by committing the generated output, we get clear examples of
the currently generated output of each backend. As we land fixes and
improvements to each backend, the presubmits will require us to update
the expected test output, and so code reviews will include diffs of
each backend's generated output.

Change-Id: I5c2a9e5b796d0ab75b3ec4c7f8ad00a0a2ab166f
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/51224
Commit-Queue: Ben Clayton <bclayton@chromium.org>
Reviewed-by: David Neto <dneto@google.com>
2021-05-18 09:24:18 +00:00
Ben Clayton 634c829d2c test: Move bug cases to sub-directories
The test runner now recursively scans sub-directories.
Use this for sensibly structuring our test files.

test/bug/tint/###.[wgsl,spvasm] files refer to bugs filed at:
crbug.com/tint/###

Change-Id: I9b4d8d134c8494b0f48c8656f3bf694f76d5303f
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/51221
Commit-Queue: Ben Clayton <bclayton@chromium.org>
Reviewed-by: David Neto <dneto@google.com>
2021-05-17 21:01:37 +00:00