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Author SHA1 Message Date
Jim Blandy
1b485ea925 [wgsl-in] Don't double-initialize variables local to loops. 2023-10-12 13:13:26 +02:00
teoxoy
f7e15bf391 [valid] check local variable initializer is const 2023-10-12 13:13:26 +02:00
Jim Blandy
a3ba3259fe Some documentation for ConstantEvaluator. 2023-10-12 13:13:26 +02:00
Jim Blandy
504b33d8cd [wgsl-in] Document necessity of force_non_const. 2023-10-12 13:13:26 +02:00
teoxoy
4f453b4041 avoid const-evaluating the operators.wgsl snapshot 2023-10-12 13:13:26 +02:00
teoxoy
a77f6ff51c [const-eval] error on NaN and infinite floats 2023-10-12 13:13:26 +02:00
teoxoy
d8ceeae3b2 Avoid FXC's error X3694: race condition writing to shared resource detected 2023-10-12 13:13:26 +02:00
Jim Blandy
ca2e810492 Properly recognize Literal expressions as non-dynamic indices. (#2537) 
Restore `negative_index` test in `tests/wgsl-errors.rs`, as part of
the `invalid_arrays` test function.
 2023-10-12 13:13:26 +02:00
teoxoy
c5b2afaf78 [const-eval] error on invalid binary operations 2023-10-12 13:13:26 +02:00
teoxoy
13a0ed4eae [const-eval] evaluate BinaryOperator::Modulo correctly (use the truncated version instead of floored) 2023-10-12 13:13:26 +02:00
teoxoy
a9c28d47c3 [const-eval] allow bitcast, select and relational functions for GLSL since they should be supported 2023-10-12 13:13:26 +02:00
teoxoy
4945b7a803 [const-eval] implement pow & clamp built-in functions properly 2023-10-12 13:13:26 +02:00
teoxoy
c46a69d993 [const-eval] account for ZeroValue index for AccessIndex expression 2023-10-12 13:13:26 +02:00
teoxoy
d50c384328 [const-eval] check number of arguments for math functions 2023-10-12 13:13:26 +02:00
teoxoy
c2141ab804 [const-eval] add wgsl/glsl behavior switch to evaluator 2023-10-12 13:13:26 +02:00
teoxoy
4e95667a1c [wgsl] test usage of constants in switch cases 2023-10-12 13:13:26 +02:00
teoxoy
5de27f2078 [wgsl] test const evaluation of division and multiplication 2023-10-12 13:13:26 +02:00
teoxoy
b95a72b2f6 [wgsl] test @workgroup_size attribute with constants 2023-10-12 13:13:26 +02:00
teoxoy
55dd0e1fbc [wgsl-in] don't treat let declarations as const declarations 2023-10-12 13:13:26 +02:00
teoxoy
3d346977e5 avoid having constants pointing to other constants 2023-10-12 13:13:26 +02:00
teoxoy
648540999e [wgsl-in] use ast spans for errors since they are more accurate 2023-10-12 13:13:26 +02:00
Jim Blandy
c16a298cac Let ConstantEvaluator see through Constant exprs in Splat exprs. 2023-10-12 13:13:26 +02:00
Jim Blandy
3e4d565576 Let ConstantEvaluator see through Constant exprs in Compose exprs. 2023-10-12 13:13:26 +02:00
Jim Blandy
6bd15e4492 Add snapshot tests for constant evaluation of splats and composes. 2023-10-12 13:13:26 +02:00
teoxoy
c33d7ee40d add an expression constness tracker 2023-10-12 13:13:26 +02:00
Jim Blandy
ab177af3ba Test that only constant expressions are hoisted to initializers. 2023-10-12 13:13:26 +02:00
Jim Blandy
bdcb9f6f64 Split const-exprs.rs test into separate functions. 
Also, just use a single out variable for each type. rather than
introducing a new output variable for every test we add.
 2023-10-12 13:13:26 +02:00
Jim Blandy
1a4b526d9a ConstantEvaluator::swizzle: Handle vector concatenation and indexing (#2485) 
* ConstantEvaluator::swizzle: Handle vector concatenation, indexing.

* Handle vector Compose expressions nested two deep.

* Move `flatten_compose` to `proc`, and make it a free function.

* [spv-out] Ensure that we flatten Compose for OpConstantCompose.
 2023-10-12 13:13:26 +02:00
Jim Blandy
f0ac838019 ConstantEvaluator::copy_from: Rename argument handle to expr. (#2490) 2023-10-12 13:13:26 +02:00
Jim Blandy
44ca6ac5b3 Document some parts of ConstantEvaluator. (#2489) 2023-10-12 13:13:26 +02:00
Jim Blandy
ca69a6b372 Add a bit of logging to ConstantEvaluator. (#2488) 2023-10-12 13:13:26 +02:00
Jim Blandy
aa041aafbd Replace ConstantEvaluator's closure with optional emitter data. 
Instead of letting the user supply an arbitrary closure for appending
expressions, instead give `ConstantEvaluator` an `Option` that holds
an `Emitter` to interrupt, and a `block` to add any new `Emit`
statements to.
 2023-10-12 13:13:26 +02:00
Jim Blandy
77851ebfb6 Move front::Emitter to proc. 
With the addition of the constant evaluator to the `proc` module, it
is now concerned with constructing expressions. Any code that
constructs expressions will generally also need to deal with `Emit`
statements, which are handled by the `Emitter` type. However,
`Emitter` is private to the `front` module. This patch moves it to
`proc` and makes it accessible to both the constant evaluator and the
front ends.
 2023-10-12 13:13:26 +02:00
teoxoy
0e4ac2a98c [glsl-in] set initializer of local variables 2023-10-12 13:13:26 +02:00
teoxoy
fe7bc01d27 [glsl-in] const eval as soon as possible 2023-10-12 13:13:26 +02:00
teoxoy
3fb4c333a7 use LocalVariable init 2023-10-12 13:13:26 +02:00
teoxoy
a730236b68 [wgsl-in] eagerly evaluate const-expressions 
[wgsl-in] support const-expressions in attributes

allow `Splat` as an evaluated const-expression type
 2023-10-12 13:13:26 +02:00
Connor Fitzgerald
c5d884fca8 Add codeowners file 2023-10-11 14:05:04 -04:00
Nicolas Silva
33b75a27d9 [wgsl-in] Parse the bgra8unorm storage format (#2550) 2023-10-10 09:13:19 -07:00
Nicolas Silva
3c7dbc4016 Add StorageFormat::Bgra8Unorm 2023-10-09 17:04:03 +02:00
Jim Blandy
fe484b3a1b Require that Function and Private variables be CONSTRUCTIBLE. 
Change the validator to enforce WGSL's requirement that all variables
in the `function` and `private` address spaces must have constructible
types.

Mark the `RayQuery` type as `CONSTRUCTIBLE`, since it is intended to
be used for local variables.

Add a regression test.
 2023-10-09 12:27:05 +02:00
Jim Blandy
fa0fed100e compact: Don't assume Emitted expressions are live. 
If an `Emit` statement covers an `Expression` that is not otherwise
used by any `Statement`, remove it from the `Arena` anyway. An `Emit`
statement controls when `Expression`s are evaluated, but it doesn't
have any side effects, so unless an expression is used by some other
statement, it's not necessary to the program.
 2023-10-09 12:21:43 +02:00
Jim Blandy
e820c33abf compact: Minor cleanups. 
- Simplify visibility markings.

- Remove some testing comments. (Tests carried out.)

- Remove some commented-out code.
 2023-10-09 12:21:43 +02:00
Jim Blandy
c6716033da Improve docs for FunctionInfo::process_expression. 2023-10-06 18:43:22 +02:00
Jim Blandy
31f547580c Remove expression argument to FunctionInfo::process_expression. 
We're already passing the handle and the arena, so it's superfluous.
 2023-10-06 18:43:22 +02:00
Teodor Tanasoaia
4d6e0005f4 [valid] Disallow NaNs and infinities (#2508) 
* [valid] disallow NaNs and infinities

* document literal float constraints
 2023-10-05 12:50:36 -07:00
Teodor Tanasoaia
f37db5affc [wgsl] remove outerProduct (#2535) 2023-10-05 19:14:52 +02:00
Teodor Tanasoaia
6668d0694c Add Rgb10a2Uint format (#2525) 2023-10-03 13:36:14 +02:00
Teodor Tanasoaia
613da72ac0 [spv-out] require ClipDistance & CullDistance capabilities if necessary (#2528) 2023-10-03 13:34:56 +02:00
Evan Mark Hopkins
9f3cdb61aa [msl-out] Make varyings' struct members unique (#2521) 2023-09-29 12:26:23 +02:00