This CL adds support for generating the various dpdx, dpdy and fwidth
instructions.
Bug: tint:5
Change-Id: I6d12c738b93931d1e740659d9c1871892b801f71
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/22625
Reviewed-by: David Neto <dneto@google.com>
This CL adds the necessary code to generate an OpAny instruction.
Bug: tint:5
Change-Id: I558b2cbf4bade3b4ab17997d24dcffddc32e2b41
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/22620
Reviewed-by: David Neto <dneto@google.com>
The `>>>` symbol was folded into the `>>` symbol in WGSL. This CL
removes `>>>` from Tint.
Change-Id: I9d900de9a6026a8099796b94aad44483f0c6813f
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/22582
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
The `unless` statement was removed from the WGSL grammar so remove it
from Tint.
Change-Id: I31a185f5c5e3e88b667caea1c9a88aee80c0b810
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/22581
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
This CL removes the conditional forms of the break and continue
statements as they are no longer in the WGSL spec.
Change-Id: I46224d6cb5ce706cfc95d35ab0a4eea46abf62a9
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/22580
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
This CL adds a parent class for the type types of interger literals for
the cases where we can have either.
Change-Id: I61b540bedd49a6cf5a899e6864e2ea6f140cd2be
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/22541
Reviewed-by: David Neto <dneto@google.com>
This Cl clarifies that IntLiteral is a signed value, which matches with
the usage of UintLiteral.
Change-Id: Ic8f0e2382cb66eb6b09daed096886dcc55e6b0f0
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/22540
Reviewed-by: David Neto <dneto@google.com>
The name conditions isn't quite correct for the case statement. This CL
updates the code to use selectors instead of conditions.
Change-Id: I98b8050b11e2328f97e4443469572ab47d7c1555
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/22520
Reviewed-by: David Neto <dneto@google.com>
This CL adds switch support to the SPIR-V writer.
Bug: tint:5
Change-Id: I8a6ad40cb2d344c87abdf842194b60afb1b4c96e
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/22165
Reviewed-by: David Neto <dneto@google.com>
This CL adds the missing case_selectors option from the grammar updates.
Change-Id: Ia6c110e917dd574711d396fb34ad53a2a67cf1fe
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/22306
Reviewed-by: David Neto <dneto@google.com>
The intrinsic methods were removed from the WGSL grammar and are treated
as builtin functions. This Cl updates Tint to match.
Bug: tint:41
Change-Id: I3f9ff6c17f1ca57ad159d883fd5a966657caeb4f
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/22301
Reviewed-by: David Neto <dneto@google.com>
The NOP command was added for complete SPIR-V bijectivity which is no
longer a goal of WGSL. The NOP command has been removed from the spec,
so remove from Tint.
Change-Id: Ic640d9d3b987a19668dc169ff549444921c5bbb8
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/22160
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Push constants won't be supported by WebGPU. This CL removes them from
Tint.
For the SPIR-V reader case, this means the push constant will cause a
unknown storage class error.
Bug: tint:19
Change-Id: I10b09ce589b6b370fc828af0cd56e6213c5bc694
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/21180
Reviewed-by: David Neto <dneto@google.com>
The WGSL spec requires initializers for Output, Private and Function
variables. This CL adds initializers where needed.
Bug: tint:75
Change-Id: Id97f85a67ead2ffc41d6bdd1b71bf7034b04502a
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/20980
Reviewed-by: David Neto <dneto@google.com>
This CL fixes the IntLiteral name to contain the type of the literal.
This keeps i32 and u32 from fighting over a given name. Now, the name
ends up being __int__i32_0 instead of __int_0.
Change-Id: Ifb9f0516139d25f34312c75c77318eccbe076ef8
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/20941
Reviewed-by: David Neto <dneto@google.com>
TEST=Built fuzzer in local checkout of Chromium with tint integrated.
BUG=dawn:14
Change-Id: I84aacd41f893070c3af40f5e640361e177689f9e
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/20343
Reviewed-by: dan sinclair <dsinclair@google.com>
This CL updates the type determiner such that variable result types
end up wrapped inside pointers, constants do not. The result of Member
and Array accessors are also pointers if the source was a pointer.
Change-Id: I6694367daf6ba1db929e54a975dfea8404fca40c
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/20265
Reviewed-by: David Neto <dneto@google.com>
This CL adds the code to generate the negation and not operators.
Bug: tint:5
Change-Id: Ibb4d374586e1415a2a678e375c64ba69bbc20367
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/20143
Reviewed-by: David Neto <dneto@google.com>
This CL updates the expression class to set the alias value instead of
an alias as the result type.
Change-Id: If19ae394a09ba0dc76380514e53a488bbb5a7292
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/20140
Reviewed-by: David Neto <dneto@google.com>
This CL adds the type determination and builder code to support
outputting the GLSL Round call.
Bug: tint:5
Change-Id: I84dadebaf19aee3361fb13b5f32ce1a9f1b0c421
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/19923
Reviewed-by: David Neto <dneto@google.com>
This CL renames the parts of the identifier to segments and then adds a
path() and name() methods to get the respective parts of the identifier.
Change-Id: I1a365df7cb83ac0dd3d6be9ec6ccb83bfc73dd91
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/19762
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
This CL moves the checks for different types into the type class so it
can be used in both the type determinater and the SPIR-V builder.
Change-Id: I9142adaf5fc1d6048792645d7892f8d8900fcf59
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/19921
Reviewed-by: David Neto <dneto@google.com>
This CL cleans up some lint errors.
Change-Id: Ibfe9768cc4272d015a35a8d7edde0390b8fc66a5
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/19504
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
This CL adds the code to generate simple if statements.
Bug: tint:5
Change-Id: Ied42ad8b3632d7926ac646d1aa21e190a7a2c07e
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/19411
Reviewed-by: David Neto <dneto@google.com>
This CL removes the premerge statement and replaces it with a `premerge`
reserved word.
Change-Id: Ic9bc13878ed26e1733eb65dd1ba30d9bef095cb6
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/19380
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
This CL removes the regardless statement and turns `regardless` into a
reserved word.
Change-Id: I50c521111b90dbadddaeb36674e8c40205186076
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/19361
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Lots of little style nits needed to be fixed for this work.
BUG=tint:44
Change-Id: Ibb45d9e3f6795ee0c09f5eca994bb28e20979d97
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/19221
Reviewed-by: dan sinclair <dsinclair@google.com>
Match the more common usage for the expression type.
Bug: tint:37
Change-Id: Ia5d48a0444742ec4e304ea1036e499b3d7cad682
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/18981
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
This Cl adds the member accessor type determination for both structures
and vector swizzles.
Bug: tint:5
Change-Id: I1172db29d8cbed2d9e0ae228ebc3a818d4930b7f
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/18846
Reviewed-by: David Neto <dneto@google.com>
This CL adds helper methods to the RelationalExpression to determine the
type of relation.
Bug: tint:5
Change-Id: I232c3a2e9f27a7efb91735516ee7e9cfc97882ae
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/18825
Reviewed-by: David Neto <dneto@google.com>
This CL adds various using statements for the
std::vector<std::unique_ptr<CLASS>> constructs found in the AST.
Change-Id: Ic9a2357cd73b2aafd99e961a38727f2f9874cde5
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/18920
Reviewed-by: David Neto <dneto@google.com>
This CL adds a result_type into the expression to hold the computed
result type for the expression.
Bug: tint:5
Change-Id: I5f2ee35e520f918828cf8cf7bc6fdf6a1b5ebd5f
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/18824
Reviewed-by: David Neto <dneto@google.com>
VS2017 took issue with treating size_t and uint32_t the same. It also
couldn't find various alphanumeric is* functions without the <cctype>
header. Gcc complainted about a variable potentially used uninitialized.
Change-Id: I452b68c6597bae254f32e5a350656e65c8934b6e
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/18901
Reviewed-by: dan sinclair <dsinclair@google.com>
Describe the use of the term "type" in this class.
Change-Id: Iad41c9c49ff2145f278bf7e7a601da0e5492301c
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/17980
Reviewed-by: dan sinclair <dsinclair@google.com>
This CL renames VariableStatement to VariableDeclStatement to make it
clearer what it was modeling.
Bug: tint:25
Change-Id: Idd0d27fad7cc402f286e1abad74092c9d1961d91
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/18341
Reviewed-by: David Neto <dneto@google.com>
This Cl updates the names of the initializer expressions to be clearer.
* InitializerExpression -> ConstructorExpression
* ConstInitializerExpression -> ScalarConstructorExpression
* TypeInitializerExpression -> TypeConstructorExpression
Bug: tint:26
Change-Id: Ib046497f589cc65d1d64bc172015588348feeffe
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/18340
Reviewed-by: David Neto <dneto@google.com>
This CL adds generation for the ConstInitializer and TypeInitializer
expression. The global variable method has been extended to output the
constant and variable initializers.
Bug: tint:5
Change-Id: I2b3783d0e5a8bbf7a6aba9cf6e154910568bdb5d
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/18241
Reviewed-by: David Neto <dneto@google.com>
This CL starts adding global variable output to the SPIR-V writer. This
does not handle constants or initializers at this point.
Bug: tint:5
Change-Id: Id06533b2ec1f61feadf66f3e43a484f6f3765546
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/17922
Reviewed-by: David Neto <dneto@google.com>
This CL adds generation of OpTypeArray and OpTypeRuntimeArray to the
SPIR-V writer.
Bug: tint:5
Change-Id: If3764ddb2499b8a196039521b8d9f80842626bcf
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/17821
Reviewed-by: David Neto <dneto@google.com>
dan sinclair
dan sinclair
dan sinclair
Ryan Harrison
Sarah Mashayekhi
David Neto
Greg Roth