This CL adds emission of the unary `-` and `!` operators.
Bug: tint:8
Change-Id: I9dda066111cc8f115b593127cf070c6ca37bdc66
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/23842
Reviewed-by: David Neto <dneto@google.com>
This Cl adds emission of the Kill statement as `discard_fragment`. This
may need to be revised when the semantics of Kill are agreed upon.
Bug: tint:8
Change-Id: I2d09f09143b2acd0139d876e873e3c70abbc84a3
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/23841
Reviewed-by: David Neto <dneto@google.com>
This Cl adds emission of `if`, `else if` and `else` statements to the
MSL backend.
Bug: tint:8
Change-Id: I8c22d70f2afa0a1d86cf475f5c98127504a6dc0e
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/23840
Reviewed-by: David Neto <dneto@google.com>
This CL adds conversion of casts to MSL.
Bug: tint:8
Change-Id: Iecfb9a5b413b1d10372b4d2fec31c0956b1475a0
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/23822
Reviewed-by: David Neto <dneto@google.com>
This CL adds the MSL conversion of as casts to `as_cast`.
Bug: tint:8
Change-Id: Iaa8ee1fa3077e4471bbead9d24fcf1e2d68998b0
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/23821
Reviewed-by: David Neto <dneto@google.com>
This Cl adds the code to emit scalar and type constructors from the
Metal backend.
Bug: tint:8
Change-Id: I95c713568ae3a73b82f8c9e10119e29e3469893e
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/23707
Reviewed-by: David Neto <dneto@google.com>
This CL adds emission of binary operations to the Metal backend.
Bug: tint:8
Change-Id: I797daadd238b718b081842b63ccefab3294bc20c
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/23706
Reviewed-by: David Neto <dneto@google.com>
This CL adds assignment statements to the Metal backend.
Bug: tint:8
Change-Id: Iaf4faa62124948fd0e785d5bebd20aae778ba050
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/23705
Reviewed-by: David Neto <dneto@google.com>
This Cl adds the code to emit functions from the metal writer. Note,
this does not handle entry points yet.
Bug: tint:8
Change-Id: Ie665771169261f6839de5eb1b66dc511bf47616a
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/23704
Reviewed-by: David Neto <dneto@google.com>
This CL adds the start of identifier expressions to the Metal backend.
Identifiers with paths are currently not supported.
Bug: tint:8
Change-Id: I4df8b6a3c32251d454d3dae5fa8933dad36094f8
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/23703
Reviewed-by: David Neto <dneto@google.com>
This CL adds generation of the return statement.
Bug: tint:8
Change-Id: Iffee600e77a485649b987d39aab47742968e438e
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/23702
Reviewed-by: David Neto <dneto@google.com>
This CL adds the start of type emission for the Metal backend. A few
types like pointers and structs aren't complete yet.
Bug: tint:8
Change-Id: I648e9275ef1b9dc6fa63b6ab328fe018a5f620ea
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/23701
Reviewed-by: David Neto <dneto@google.com>
This CL adds the basis of the Metal Shading Language backend.
Bug: tint:8
Change-Id: I85976250eb41ac12203a5db116444e993c3d09d4
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/23700
Reviewed-by: David Neto <dneto@google.com>
This CL adds the conversion of `as<f32>(b)` to SPIR-V.
Bug: tint:5
Change-Id: If1e04db2fe5520940527f4dcf52a89628b11b518
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/23461
Reviewed-by: David Neto <dneto@google.com>
This supports the extended instructions used by the compute_boids
example.
Bug: tint:3
Change-Id: I364c343217139e489377dd2a9330058114023caa
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/23126
Reviewed-by: dan sinclair <dsinclair@google.com>
tint.h selectively includes headers depending on what features are enabled. It
is based off of the original sample code, so should give users access to all of
the functionality demonstrated in there.
This is located in include/tint/, so that users can have a pretty include of
tint/tint.h.
BUG=tint:87
Change-Id: I8659c789c154349e4e8e7730dc334da4fb6eba70
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/23124
Reviewed-by: dan sinclair <dsinclair@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 `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>
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 preliminary support for generating Kill commands. This may
change in the future if the semantics of kill are set in WGSL to not
match OpKill.
Bug: tint:5
Change-Id: Id466a1b26b37867a26373b93f56d627a0491f47f
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/22240
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>
This CL removes the builtin_decoration from the parser in favour of
using IDENT tokens for builtins. We still convert to an enum in the
parser and validate the value provided.
Bug: tint:41
Change-Id: If5dc3844e3325c75951e7b320c123cf66cb8e106
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/22300
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>
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 starts support for the cast expression. It adds the i32 to f32
conversion path.
Bug: tint:5
Change-Id: Id1eafc38592060c4b5b91964302d79a847e2edaf
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/20628
Reviewed-by: David Neto <dneto@google.com>
Label basic blocks with:
- their nearest enclosing structured control flow constructs.
- their nearest enclosing continue construct, if any
- their nearest enclosing loop construct, if any
A construct consists of a span of blocks in the computed block order.
It knows its parent construct, if any, and its nesting depth.
Bug: tint:3
Change-Id: Ia945706e8ea2435d6c40fb4e36dc2daeeb9780d0
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/20421
Reviewed-by: dan sinclair <dsinclair@google.com>
This Cl adds the code for the ArrayAccessor generation. Some of the
MemberAccessor code is included, but tests are coming in a later Cl.
Bug: tint:5
Change-Id: Id7d006ab4a82c1d31d8036d141c83d0d61f9bea5
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/20180
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>
Separate them into different test files, to match SPIR-V spec sections
Bug: tint:3
Change-Id: I89fe76230740da060d57ac23870069a5483b2d7d
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/20043
Reviewed-by: dan sinclair <dsinclair@google.com>
Test non-nested sequences and selections.
Bug: tint:3
Change-Id: Ibbbcd428d701d9e7d4da1682f94c2bdbef00121b
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/19920
Reviewed-by: dan sinclair <dsinclair@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 adds the initial generation of a loop construct into the
spirv-writer. This does not support break or continue yet.
Bug: tint:5
Change-Id: I41f5d9b634a1a4120f880c4143feacc7e58e2147
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/19620
Reviewed-by: David Neto <dneto@google.com>
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>
Also adds generic support for generating a combinatorial value
as a const definition.
Bug: tint:3
Change-Id: Idae758d146264491679710967e48ea270436be91
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/19107
Reviewed-by: dan sinclair <dsinclair@google.com>
This CL adds the relational add expression to the spirv writer.
Bug: tint:5
Change-Id: Ideed225c63e60f53a019b79803809f8e973299c6
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/18605
Reviewed-by: David Neto <dneto@google.com>
Tests FunctionEmitter directly.
This is mostly refactoring to be able to selectively run parts of the
parsing flow, and to access relevant internal data.
Bug: tint:3
Change-Id: Ic2b166a2e9623a7e30e6769806088d12e78dcf45
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/18704
Reviewed-by: dan sinclair <dsinclair@google.com>
dan sinclair
dan sinclair
David Neto
Ryan Harrison
dan sinclair