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wgpu/naga/CHANGELOG.md
Brad Werth 9b7a965667 Add an experimental vertex pulling flag to Metal pipelines. 
This proves a flag in msl::PipelineOptions that attempts to write all
Metal vertex entry points to use a vertex pulling technique. It does
this by:

1) Forcing the _buffer_sizes structure to be generated for all vertex
entry points. The structure has additional buffer_size members that
contain the byte sizes of the vertex buffers.
2) Adding new args to vertex entry points for the vertex id and/or
the instance id and for the bound buffers. If there is an existing
@builtin(vertex_index) or @builtin(instance_index) param, then no
duplicate arg is created.
3) Adding code at the beginning of the function for vertex entry points
to compare the vertex id or instance id against the lengths of all the
bound buffers, and force an early-exit if the bounds are violated.
4) Extracting the raw bytes from the vertex buffer(s) and unpacking
those bytes into the bound attributes with the expected types.
5) Replacing the varyings input and instead using the unpacked
attributes to fill any structs-as-args that are rebuilt in the entry
point.

A new naga test is added which exercises this flag and demonstrates the
effect of the transform. The msl generated by this test passes
validation.

Eventually this transformation will be the default, always-on behavior
for Metal pipelines, though the flag may remain so that naga
translation tests can be run with and without the tranformation.
2024-05-30 13:08:59 +02:00

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# Change Log
For changelogs after v0.14, see [the wgpu changelog](../CHANGELOG.md).
## v0.14 (2023-10-25)
#### GENERAL
- Add support for const-expressions. ([#2309](https://github.com/gfx-rs/naga/pull/2309)) **@teoxoy**, **@jimblandy**
- Add support for the `rgb10a2uint` storage format. ([#2525](https://github.com/gfx-rs/naga/pull/2525)) **@teoxoy**
- Implement module compaction for snapshot testing and the CLI. ([#2472](https://github.com/gfx-rs/naga/pull/2472)) **@jimblandy**
- Fix validation and GLSL parsing of `ldexp`. ([#2449](https://github.com/gfx-rs/naga/pull/2449)) **@fornwall**
- Add support for dual source blending. ([#2427](https://github.com/gfx-rs/naga/pull/2427)) **@freqmod**
- Bump `indexmap` to v2. ([#2426](https://github.com/gfx-rs/naga/pull/2426)) **@daxpedda**
- Bump MSRV to 1.65. ([#2420](https://github.com/gfx-rs/naga/pull/2420)) **@jimblandy**
#### API
- Split `UnaryOperator::Not` into `UnaryOperator::LogicalNot` & `UnaryOperator::BitwiseNot`. ([#2554](https://github.com/gfx-rs/naga/pull/2554)) **@teoxoy**
- Remove `IsFinite` & `IsNormal` relational functions. ([#2532](https://github.com/gfx-rs/naga/pull/2532)) **@teoxoy**
- Derive `PartialEq` on `Expression`. ([#2417](https://github.com/gfx-rs/naga/pull/2417)) **@robtfm**
- Use `FastIndexMap` for `SpecialTypes::predeclared_types`. ([#2495](https://github.com/gfx-rs/naga/pull/2495)) **@jimblandy**
#### CLI
- Change `--generate-debug-symbols` from an `option` to a `switch`. ([#2472](https://github.com/gfx-rs/naga/pull/2472)) **@jimblandy**
- Add support for `.{vert,frag,comp}.glsl` files. ([#2462](https://github.com/gfx-rs/naga/pull/2462)) **@eliemichel**
#### VALIDATOR
- Require `Capabilities::FLOAT64` for 64-bit floating-point literals. ([#2567](https://github.com/gfx-rs/naga/pull/2567)) **@jimblandy**
- Add `Capabilities::CUBE_ARRAY_TEXTURES`. ([#2530](https://github.com/gfx-rs/naga/pull/2530)) **@teoxoy**
- Disallow passing pointers to variables in the workgroup address space to functions. ([#2507](https://github.com/gfx-rs/naga/pull/2507)) **@teoxoy**
- Avoid OOM with large sparse resource bindings. ([#2561](https://github.com/gfx-rs/naga/pull/2561)) **@teoxoy**
- Require that `Function` and `Private` variables be `CONSTRUCTIBLE`. ([#2545](https://github.com/gfx-rs/naga/pull/2545)) **@jimblandy**
- Disallow floating-point NaNs and infinities. ([#2508](https://github.com/gfx-rs/naga/pull/2508)) **@teoxoy**
- Temporarily disable uniformity analysis for the fragment stage. ([#2515](https://github.com/gfx-rs/naga/pull/2515)) **@teoxoy**
- Validate that `textureSampleBias` is only used in the fragment stage. ([#2515](https://github.com/gfx-rs/naga/pull/2515)) **@teoxoy**
- Validate variable initializer for address spaces. ([#2513](https://github.com/gfx-rs/naga/pull/2513)) **@teoxoy**
- Prevent using multiple push constant variables in one entry point. ([#2484](https://github.com/gfx-rs/naga/pull/2484)) **@andriyDev**
- Validate `binding_array` variable address space. ([#2422](https://github.com/gfx-rs/naga/pull/2422)) **@teoxoy**
- Validate storage buffer access. ([#2415](https://github.com/gfx-rs/naga/pull/2415)) **@teoxoy**
#### WGSL-IN
- Fix expected min arg count of `textureLoad`. ([#2584](https://github.com/gfx-rs/naga/pull/2584)) **@teoxoy**
- Turn `Error::Other` into `Error::Internal`, to help devs. ([#2574](https://github.com/gfx-rs/naga/pull/2574)) **@jimblandy**
- Fix OOB typifier indexing. ([#2570](https://github.com/gfx-rs/naga/pull/2570)) **@teoxoy**
- Add support for the `bgra8unorm` storage format. ([#2542](https://github.com/gfx-rs/naga/pull/2542) & [#2550](https://github.com/gfx-rs/naga/pull/2550)) **@nical**
- Remove the `outerProduct` built-in function. ([#2535](https://github.com/gfx-rs/naga/pull/2535)) **@teoxoy**
- Add support for `i32` overload of the `sign` built-in function. ([#2463](https://github.com/gfx-rs/naga/pull/2463)) **@fornwall**
- Properly implement `modf` and `frexp`. ([#2454](https://github.com/gfx-rs/naga/pull/2454)) **@fornwall**
- Add support for scalar overloads of `all` & `any` built-in functions. ([#2445](https://github.com/gfx-rs/naga/pull/2445)) **@fornwall**
- Don't splat the left hand operand of a binary operation if it's not a scalar. ([#2444](https://github.com/gfx-rs/naga/pull/2444)) **@fornwall**
- Avoid splatting all binary operator expressions. ([#2440](https://github.com/gfx-rs/naga/pull/2440)) **@fornwall**
- Error on repeated or missing `@workgroup_size()`. ([#2435](https://github.com/gfx-rs/naga/pull/2435)) **@fornwall**
- Error on repeated attributes. ([#2428](https://github.com/gfx-rs/naga/pull/2428)) **@fornwall**
- Fix error message for invalid `texture{Load,Store}()` on arrayed textures. ([#2432](https://github.com/gfx-rs/naga/pull/2432)) **@fornwall**
#### SPV-IN
- Disable `Modf` & `Frexp` and translate `ModfStruct` & `FrexpStruct` to their IR equivalents. ([#2527](https://github.com/gfx-rs/naga/pull/2527)) **@teoxoy**
- Don't advertise support for `Capability::ImageMSArray` & `Capability::InterpolationFunction`. ([#2529](https://github.com/gfx-rs/naga/pull/2529)) **@teoxoy**
- Fix `OpImageQueries` to allow Uints. ([#2404](https://github.com/gfx-rs/naga/pull/2404)) **@evahop**
#### GLSL-IN
- Disable `modf` & `frexp`. ([#2527](https://github.com/gfx-rs/naga/pull/2527)) **@teoxoy**
#### SPV-OUT
- Require `ClipDistance` & `CullDistance` capabilities if necessary. ([#2528](https://github.com/gfx-rs/naga/pull/2528)) **@teoxoy**
- Change `naga::back::spv::DebugInfo::file_name` to a `&Path`. ([#2501](https://github.com/gfx-rs/naga/pull/2501)) **@jimblandy**
- Always give structs with runtime arrays a `Block` decoration. ([#2455](https://github.com/gfx-rs/naga/pull/2455)) **@TheoDulka**
- Decorate the result of the `OpLoad` with `NonUniform` (not the access chain) when loading images/samplers (resources in the Handle address space). ([#2422](https://github.com/gfx-rs/naga/pull/2422)) **@teoxoy**
- Cache `OpConstantNull`. ([#2414](https://github.com/gfx-rs/naga/pull/2414)) **@evahop**
#### MSL-OUT
- Add and fix minimum Metal version checks for optional functionality. ([#2486](https://github.com/gfx-rs/naga/pull/2486)) **@teoxoy**
- Make varyings' struct members unique. ([#2521](https://github.com/gfx-rs/naga/pull/2521)) **@evahop**
- Add experimental vertex pulling transform flag. ([#5254](https://github.com/gfx-rs/wgpu/pull/5254)) **@bradwerth**
#### GLSL-OUT
- Cull functions that should not be available for a given stage. ([#2531](https://github.com/gfx-rs/naga/pull/2531)) **@teoxoy**
- Rename identifiers containing double underscores. ([#2510](https://github.com/gfx-rs/naga/pull/2510)) **@evahop**
- Polyfill `frexp`. ([#2504](https://github.com/gfx-rs/naga/pull/2504)) **@evahop**
- Add built-in functions to keywords. ([#2410](https://github.com/gfx-rs/naga/pull/2410)) **@fornwall**
#### WGSL-OUT
- Generate correct code for bit complement on integers. ([#2548](https://github.com/gfx-rs/naga/pull/2548)) **@jimblandy**
- Don't include type parameter in splat expressions. ([#2469](https://github.com/gfx-rs/naga/pull/2469)) **@jimblandy**
## v0.13 (2023-07-21)
#### GENERAL
- Move from `make` to `cargo xtask` workflows. ([#2297](https://github.com/gfx-rs/naga/pull/2297)) **@ErichDonGubler**
- Omit non referenced expressions from output. ([#2378](https://github.com/gfx-rs/naga/pull/2378)) **@teoxoy**
- Bump `bitflags` to v2. ([#2358](https://github.com/gfx-rs/naga/pull/2358)) **@daxpedda**
- Implement `workgroupUniformLoad`. ([#2201](https://github.com/gfx-rs/naga/pull/2201)) **@DJMcNab**
#### API
- Expose early depth test field. ([#2393](https://github.com/gfx-rs/naga/pull/2393)) **@Joeoc2001**
- Split image bounds check policy. ([#2265](https://github.com/gfx-rs/naga/pull/2265)) **@teoxoy**
- Change type of constant sized arrays to `NonZeroU32`. ([#2337](https://github.com/gfx-rs/naga/pull/2337)) **@teoxoy**
- Introduce `GlobalCtx`. ([#2335](https://github.com/gfx-rs/naga/pull/2335)) **@teoxoy**
- Introduce `Expression::Literal`. ([#2333](https://github.com/gfx-rs/naga/pull/2333)) **@teoxoy**
- Introduce `Expression::ZeroValue`. ([#2332](https://github.com/gfx-rs/naga/pull/2332)) **@teoxoy**
- Add support for const-expressions (only at the API level, functionality is still WIP). ([#2266](https://github.com/gfx-rs/naga/pull/2266)) **@teoxoy**, **@jimblandy**
#### DOCS
- Document which expressions are in scope for a `break_if` expression. ([#2326](https://github.com/gfx-rs/naga/pull/2326)) **@jimblandy**
#### VALIDATOR
- Don't `use std::opsIndex`, used only when `"validate"` is on. ([#2383](https://github.com/gfx-rs/naga/pull/2383)) **@jimblandy**
- Remove unneeded `ConstantError::Unresolved{Component,Size}`. ([#2330](https://github.com/gfx-rs/naga/pull/2330)) **@ErichDonGubler**
- Remove `TypeError::UnresolvedBase`. ([#2308](https://github.com/gfx-rs/naga/pull/2308)) **@ErichDonGubler**
#### WGSL-IN
- Error on param redefinition. ([#2342](https://github.com/gfx-rs/naga/pull/2342)) **@SparkyPotato**
#### SPV-IN
- Improve documentation for SPIR-V control flow parsing. ([#2324](https://github.com/gfx-rs/naga/pull/2324)) **@jimblandy**
- Obey the `is_depth` field of `OpTypeImage`. ([#2341](https://github.com/gfx-rs/naga/pull/2341)) **@expenses**
- Convert conditional backedges to `break if`. ([#2290](https://github.com/gfx-rs/naga/pull/2290)) **@eddyb**
#### GLSL-IN
- Support commas in structure definitions. ([#2400](https://github.com/gfx-rs/naga/pull/2400)) **@fornwall**
#### SPV-OUT
- Add debug info. ([#2379](https://github.com/gfx-rs/naga/pull/2379)) **@wicast**
- Use `IndexSet` instead of `HashSet` for iterated sets (capabilities/extensions). ([#2389](https://github.com/gfx-rs/naga/pull/2389)) **@eddyb**
- Support array bindings of buffers. ([#2282](https://github.com/gfx-rs/naga/pull/2282)) **@kvark**
#### MSL-OUT
- Rename `allow_point_size` to `allow_and_force_point_size`. ([#2280](https://github.com/gfx-rs/naga/pull/2280)) **@teoxoy**
- Initialize arrays inline. ([#2331](https://github.com/gfx-rs/naga/pull/2331)) **@teoxoy**
#### HLSL-OUT
- Implement Pack/Unpack for HLSL. ([#2353](https://github.com/gfx-rs/naga/pull/2353)) **@Elabajaba**
- Complete HLSL reserved symbols. ([#2367](https://github.com/gfx-rs/naga/pull/2367)) **@teoxoy**
- Handle case insensitive FXC keywords. ([#2347](https://github.com/gfx-rs/naga/pull/2347)) **@PJB3005**
- Fix return type for firstbitlow/high. ([#2315](https://github.com/gfx-rs/naga/pull/2315)) **@evahop**
#### GLSL-OUT
- `textureSize` level must be a signed integer. ([#2397](https://github.com/gfx-rs/naga/pull/2397)) **@nical**
- Fix functions with array return type. ([#2382](https://github.com/gfx-rs/naga/pull/2382)) **@Gordon-F**
#### WGSL-OUT
- Output `@interpolate(flat)` attribute for integer locations. ([#2318](https://github.com/gfx-rs/naga/pull/2318)) **@expenses**
## v0.12.3 (2023-07-09)
#### WGSL-OUT
- (Backport) Output `@interpolate(flat)` attribute for integer locations. ([#2318](https://github.com/gfx-rs/naga/pull/2318)) **@expenses**
## v0.12.2 (2023-05-30)
#### SPV-OUT
- (Backport) Support array bindings of buffers. ([#2282](https://github.com/gfx-rs/naga/pull/2282)) **@kvark**
## v0.12.1 (2023-05-18)
#### SPV-IN
- (Backport) Convert conditional backedges to `break if`. ([#2290](https://github.com/gfx-rs/naga/pull/2290)) **@eddyb**
## v0.12 (2023-04-19)
#### GENERAL
- Allow `array_index` to be unsigned. ([#2298](https://github.com/gfx-rs/naga/pull/2298)) **@daxpedda**
- Add ray query support. ([#2256](https://github.com/gfx-rs/naga/pull/2256)) **@kvark**
- Add partial derivative builtins. ([#2277](https://github.com/gfx-rs/naga/pull/2277)) **@evahop**
- Skip `gl_PerVertex` unused builtins in the SPIR-V frontend. ([#2272](https://github.com/gfx-rs/naga/pull/2272)) **@teoxoy**
- Differentiate between `i32` and `u32` in switch statement cases. ([#2269](https://github.com/gfx-rs/naga/pull/2269)) **@evahop**
- Fix zero initialization of workgroup memory. ([#2259](https://github.com/gfx-rs/naga/pull/2259)) **@teoxoy**
- Add `countTrailingZeros`. ([#2243](https://github.com/gfx-rs/naga/pull/2243)) **@gents83**
- Fix texture built-ins where u32 was expected. ([#2245](https://github.com/gfx-rs/naga/pull/2245)) **@evahop**
- Add `countLeadingZeros`. ([#2226](https://github.com/gfx-rs/naga/pull/2226)) **@evahop**
- [glsl/hlsl-out] Write sizes of arrays behind pointers in function arguments. ([#2250](https://github.com/gfx-rs/naga/pull/2250)) **@pluiedev**
#### VALIDATOR
- Validate vertex stage returns the position built-in. ([#2264](https://github.com/gfx-rs/naga/pull/2264)) **@teoxoy**
- Enforce discard is only used in the fragment stage. ([#2262](https://github.com/gfx-rs/naga/pull/2262)) **@Uriopass**
- Add `Capabilities::MULTISAMPLED_SHADING`. ([#2255](https://github.com/gfx-rs/naga/pull/2255)) **@teoxoy**
- Add `Capabilities::EARLY_DEPTH_TEST`. ([#2255](https://github.com/gfx-rs/naga/pull/2255)) **@teoxoy**
- Add `Capabilities::MULTIVIEW`. ([#2255](https://github.com/gfx-rs/naga/pull/2255)) **@teoxoy**
- Improve forward declaration validation. ([#2232](https://github.com/gfx-rs/naga/pull/2232)) **@JCapucho**
#### WGSL-IN
- Use `alias` instead of `type` for type aliases. ([#2299](https://github.com/gfx-rs/naga/pull/2299)) **@FL33TW00D**
- Add predeclared vector and matrix type aliases. ([#2251](https://github.com/gfx-rs/naga/pull/2251)) **@evahop**
- Improve invalid assignment diagnostic. ([#2233](https://github.com/gfx-rs/naga/pull/2233)) **@SparkyPotato**
- Expect semicolons wherever required. ([#2233](https://github.com/gfx-rs/naga/pull/2233)) **@SparkyPotato**
- Fix panic on invalid zero array size. ([#2233](https://github.com/gfx-rs/naga/pull/2233)) **@SparkyPotato**
- Check for leading `{` while parsing a block. ([#2233](https://github.com/gfx-rs/naga/pull/2233)) **@SparkyPotato**
#### SPV-IN
- Don't apply interpolation to fragment shaders outputs. ([#2239](https://github.com/gfx-rs/naga/pull/2239)) **@JCapucho**
#### GLSL-IN
- Add switch implicit type conversion. ([#2273](https://github.com/gfx-rs/naga/pull/2273)) **@evahop**
- Document some fields of `naga::front::glsl::context::Context`. ([#2244](https://github.com/gfx-rs/naga/pull/2244)) **@jimblandy**
- Perform output parameters implicit casts. ([#2063](https://github.com/gfx-rs/naga/pull/2063)) **@JCapucho**
- Add `not` vector relational builtin. ([#2227](https://github.com/gfx-rs/naga/pull/2227)) **@JCapucho**
- Add double overloads for relational vector builtins. ([#2227](https://github.com/gfx-rs/naga/pull/2227)) **@JCapucho**
- Add bool overloads for relational vector builtins. ([#2227](https://github.com/gfx-rs/naga/pull/2227)) **@JCapucho**
#### SPV-OUT
- Fix invalid spirv being generated from integer dot products. ([#2291](https://github.com/gfx-rs/naga/pull/2291)) **@PyryM**
- Fix adding illegal decorators on fragment outputs. ([#2286](https://github.com/gfx-rs/naga/pull/2286)) **@Wumpf**
- Fix `countLeadingZeros` impl. ([#2258](https://github.com/gfx-rs/naga/pull/2258)) **@teoxoy**
- Cache constant composites. ([#2257](https://github.com/gfx-rs/naga/pull/2257)) **@evahop**
- Support SPIR-V version 1.4. ([#2230](https://github.com/gfx-rs/naga/pull/2230)) **@kvark**
#### MSL-OUT
- Replace `per_stage_map` with `per_entry_point_map` ([#2237](https://github.com/gfx-rs/naga/pull/2237)) **@armansito**
- Update `firstLeadingBit` for signed integers ([#2235](https://github.com/gfx-rs/naga/pull/2235)) **@evahop**
#### HLSL-OUT
- Use `Interlocked<op>` intrinsic for atomic integers (#2294) ([#2294](https://github.com/gfx-rs/naga/pull/2294)) **@ErichDonGubler**
- Document storage access generation. ([#2295](https://github.com/gfx-rs/naga/pull/2295)) **@jimblandy**
- Emit constructor functions for arrays. ([#2281](https://github.com/gfx-rs/naga/pull/2281)) **@ErichDonGubler**
- Clear `named_expressions` inserted by duplicated blocks. ([#2116](https://github.com/gfx-rs/naga/pull/2116)) **@teoxoy**
#### GLSL-OUT
- Skip `invariant` for `gl_FragCoord` on WebGL2. ([#2254](https://github.com/gfx-rs/naga/pull/2254)) **@grovesNL**
- Inject default `gl_PointSize = 1.0` in vertex shaders if `FORCE_POINT_SIZE` option was set. ([#2223](https://github.com/gfx-rs/naga/pull/2223)) **@REASY**
## v0.11.1 (2023-05-18)
#### SPV-IN
- (Backport) Convert conditional backedges to `break if`. ([#2290](https://github.com/gfx-rs/naga/pull/2290)) **@eddyb**
## v0.11 (2023-01-25)
- Move to the Rust 2021 edition ([#2085](https://github.com/gfx-rs/naga/pull/2085)) **@ErichDonGubler**
- Bump MSRV to 1.63 ([#2129](https://github.com/gfx-rs/naga/pull/2129)) **@teoxoy**
#### API
- Add handle validation pass to `Validator` ([#2090](https://github.com/gfx-rs/naga/pull/2090)) **@ErichDonGubler**
- Add `Range::new_from_bounds` ([#2148](https://github.com/gfx-rs/naga/pull/2148)) **@robtfm**
#### DOCS
- Fix docs for `Emit` statements ([#2208](https://github.com/gfx-rs/naga/pull/2208)) **@jimblandy**
- Fix invalid `<...>` URLs with code spans ([#2176](https://github.com/gfx-rs/naga/pull/2176)) **@ErichDonGubler**
- Explain how case clauses with multiple selectors are supported ([#2126](https://github.com/gfx-rs/naga/pull/2126)) **@teoxoy**
- Document `EarlyDepthTest` and `ConservativeDepth` syntax ([#2132](https://github.com/gfx-rs/naga/pull/2132)) **@coreh**
#### VALIDATOR
- Allow `u32` coordinates for `textureStore`/`textureLoad` ([#2172](https://github.com/gfx-rs/naga/pull/2172)) **@PENGUINLIONG**
- Fix array being flagged as constructible when its base isn't ([#2111](https://github.com/gfx-rs/naga/pull/2111)) **@teoxoy**
- Add `type_flags` to `ModuleInfo` ([#2111](https://github.com/gfx-rs/naga/pull/2111)) **@teoxoy**
- Remove overly restrictive array stride check ([#2215](https://github.com/gfx-rs/naga/pull/2215)) **@fintelia**
- Let the uniformity analysis trust the handle validation pass ([#2200](https://github.com/gfx-rs/naga/pull/2200)) **@jimblandy**
- Fix warnings when building tests without validation ([#2177](https://github.com/gfx-rs/naga/pull/2177)) **@jimblandy**
- Add `ValidationFlags::BINDINGS` ([#2156](https://github.com/gfx-rs/naga/pull/2156)) **@kvark**
- Fix `textureGather` on `texture_2d<u32/i32>` ([#2138](https://github.com/gfx-rs/naga/pull/2138)) **@JMS55**
#### ALL (FRONTENDS/BACKENDS)
- Support 16-bit unorm/snorm formats ([#2210](https://github.com/gfx-rs/naga/pull/2210)) **@fintelia**
- Support `gl_PointCoord` ([#2180](https://github.com/gfx-rs/naga/pull/2180)) **@Neo-Zhixing**
#### ALL BACKENDS
- Add support for zero-initializing workgroup memory ([#2111](https://github.com/gfx-rs/naga/pull/2111)) **@teoxoy**
#### WGSL-IN
- Implement module-level scoping ([#2075](https://github.com/gfx-rs/naga/pull/2075)) **@SparkyPotato**
- Remove `isFinite` and `isNormal` ([#2218](https://github.com/gfx-rs/naga/pull/2218)) **@evahop**
- Update inverse hyperbolic built-ins ([#2218](https://github.com/gfx-rs/naga/pull/2218)) **@evahop**
- Add `refract` built-in ([#2218](https://github.com/gfx-rs/naga/pull/2218)) **@evahop**
- Update reserved keywords ([#2130](https://github.com/gfx-rs/naga/pull/2130)) **@teoxoy**
- Remove non-32bit integers ([#2146](https://github.com/gfx-rs/naga/pull/2146)) **@teoxoy**
- Remove `workgroup_size` builtin ([#2147](https://github.com/gfx-rs/naga/pull/2147)) **@teoxoy**
- Remove fallthrough statement ([#2126](https://github.com/gfx-rs/naga/pull/2126)) **@teoxoy**
#### SPV-IN
- Support binding arrays ([#2199](https://github.com/gfx-rs/naga/pull/2199)) **@Patryk27**
#### GLSL-IN
- Fix position propagation in lowering ([#2079](https://github.com/gfx-rs/naga/pull/2079)) **@JCapucho**
- Update initializer list type when parsing ([#2066](https://github.com/gfx-rs/naga/pull/2066)) **@JCapucho**
- Parenthesize unary negations to avoid `--` ([#2087](https://github.com/gfx-rs/naga/pull/2087)) **@ErichDonGubler**
#### SPV-OUT
- Add support for `atomicCompareExchangeWeak` ([#2165](https://github.com/gfx-rs/naga/pull/2165)) **@aweinstock314**
- Omit extra switch case blocks where possible ([#2126](https://github.com/gfx-rs/naga/pull/2126)) **@teoxoy**
- Fix switch cases after default not being output ([#2126](https://github.com/gfx-rs/naga/pull/2126)) **@teoxoy**
#### MSL-OUT
- Don't panic on missing bindings ([#2175](https://github.com/gfx-rs/naga/pull/2175)) **@kvark**
- Omit extra switch case blocks where possible ([#2126](https://github.com/gfx-rs/naga/pull/2126)) **@teoxoy**
- Fix `textureGather` compatibility on macOS 10.13 ([#2104](https://github.com/gfx-rs/naga/pull/2104)) **@xiaopengli89**
- Fix incorrect atomic bounds check on metal back-end ([#2099](https://github.com/gfx-rs/naga/pull/2099)) **@raphlinus**
- Parenthesize unary negations to avoid `--` ([#2087](https://github.com/gfx-rs/naga/pull/2087)) **@ErichDonGubler**
#### HLSL-OUT
- Simplify `write_default_init` ([#2111](https://github.com/gfx-rs/naga/pull/2111)) **@teoxoy**
- Omit extra switch case blocks where possible ([#2126](https://github.com/gfx-rs/naga/pull/2126)) **@teoxoy**
- Properly implement bitcast ([#2097](https://github.com/gfx-rs/naga/pull/2097)) **@cwfitzgerald**
- Fix storage access chain through a matrix ([#2097](https://github.com/gfx-rs/naga/pull/2097)) **@cwfitzgerald**
- Workaround FXC Bug in Matrix Indexing ([#2096](https://github.com/gfx-rs/naga/pull/2096)) **@cwfitzgerald**
- Parenthesize unary negations to avoid `--` ([#2087](https://github.com/gfx-rs/naga/pull/2087)) **@ErichDonGubler**
#### GLSL-OUT
- Introduce a flag to include unused items ([#2205](https://github.com/gfx-rs/naga/pull/2205)) **@robtfm**
- Use `fma` polyfill for versions below gles 320 ([#2197](https://github.com/gfx-rs/naga/pull/2197)) **@teoxoy**
- Emit reflection info for non-struct uniforms ([#2189](https://github.com/gfx-rs/naga/pull/2189)) **@Rainb0wCodes**
- Introduce a new block for switch cases ([#2126](https://github.com/gfx-rs/naga/pull/2126)) **@teoxoy**
#### WGSL-OUT
- Write correct scalar kind when `width != 4` ([#1514](https://github.com/gfx-rs/naga/pull/1514)) **@fintelia**
## v0.10.1 (2023-06-21)
SPV-OUT
- Backport #2389 (Use `IndexSet` instead of `HashSet` for iterated sets (capabilities/extensions)) by @eddyb, @jimblandy in https://github.com/gfx-rs/naga/pull/2391
SPV-IN
- Backport #2290 (Convert conditional backedges to `break if`) by @eddyb in https://github.com/gfx-rs/naga/pull/2387
## v0.10 (2022-10-05)
- Make termcolor dependency optional by @AldaronLau in https://github.com/gfx-rs/naga/pull/2014
- Fix clippy lints for 1.63 by @JCapucho in https://github.com/gfx-rs/naga/pull/2026
- Saturate by @evahop in https://github.com/gfx-rs/naga/pull/2025
- Use `Option::as_deref` as appropriate. by @jimblandy in https://github.com/gfx-rs/naga/pull/2040
- Explicitly enable std for indexmap by @maxammann in https://github.com/gfx-rs/naga/pull/2062
- Fix compiler warning by @Gordon-F in https://github.com/gfx-rs/naga/pull/2074
API
- Implement `Clone` for `Module` by @daxpedda in https://github.com/gfx-rs/naga/pull/2013
- Remove the glsl-validate feature by @JCapucho in https://github.com/gfx-rs/naga/pull/2045
DOCS
- Document arithmetic binary operation type rules. by @jimblandy in https://github.com/gfx-rs/naga/pull/2051
VALIDATOR
- Add `emit_to_{stderr,string}` helpers to validation error by @nolanderc in https://github.com/gfx-rs/naga/pull/2012
- Check regular functions don't have bindings by @JCapucho in https://github.com/gfx-rs/naga/pull/2050
WGSL-IN
- Update reserved WGSL keywords by @norepimorphism in https://github.com/gfx-rs/naga/pull/2009
- Implement lexical scopes by @JCapucho in https://github.com/gfx-rs/naga/pull/2024
- Rename `Scope` to `Rule`, since we now have lexical scope. by @jimblandy in https://github.com/gfx-rs/naga/pull/2042
- Splat on compound assignments by @JCapucho in https://github.com/gfx-rs/naga/pull/2049
- Fix bad span in assignment lhs error by @JCapucho in https://github.com/gfx-rs/naga/pull/2054
- Fix inclusion of trivia in spans by @SparkyPotato in https://github.com/gfx-rs/naga/pull/2055
- Improve assignment diagnostics by @SparkyPotato in https://github.com/gfx-rs/naga/pull/2056
- Break up long string, reformat rest of file. by @jimblandy in https://github.com/gfx-rs/naga/pull/2057
- Fix line endings on wgsl reserved words list. by @jimblandy in https://github.com/gfx-rs/naga/pull/2059
GLSL-IN
- Add support for .length() by @SpaceCat-Chan in https://github.com/gfx-rs/naga/pull/2017
- Fix missing stores for local declarations by @adeline-sparks in https://github.com/gfx-rs/naga/pull/2029
- Migrate to `SymbolTable` by @JCapucho in https://github.com/gfx-rs/naga/pull/2044
- Update initializer list type when parsing by @JCapucho in https://github.com/gfx-rs/naga/pull/2066
SPV-OUT
- Don't decorate varyings with interpolation modes at pipeline start/end by @nical in https://github.com/gfx-rs/naga/pull/2038
- Decorate integer builtins as Flat in the spirv writer by @nical in https://github.com/gfx-rs/naga/pull/2035
- Properly combine the fixes for #2035 and #2038. by @jimblandy in https://github.com/gfx-rs/naga/pull/2041
- Don't emit no-op `OpBitCast` instructions. by @jimblandy in https://github.com/gfx-rs/naga/pull/2043
HLSL-OUT
- Use the namer to sanitise entrypoint input/output struct names by @expenses in https://github.com/gfx-rs/naga/pull/2001
- Handle Unpack2x16float in hlsl by @expenses in https://github.com/gfx-rs/naga/pull/2002
- Add support for push constants by @JCapucho in https://github.com/gfx-rs/naga/pull/2005
DOT-OUT
- Improvements by @JCapucho in https://github.com/gfx-rs/naga/pull/1987
## v0.9 (2022-06-30)
- Fix minimal-versions of dependencies ([#1840](https://github.com/gfx-rs/naga/pull/1840)) **@teoxoy**
- Update MSRV to 1.56 ([#1838](https://github.com/gfx-rs/naga/pull/1838)) **@teoxoy**
API
- Rename `TypeFlags` `INTERFACE`/`HOST_SHARED` to `IO_SHARED`/`HOST_SHAREABLE` ([#1872](https://github.com/gfx-rs/naga/pull/1872)) **@jimblandy**
- Expose more error information ([#1827](https://github.com/gfx-rs/naga/pull/1827), [#1937](https://github.com/gfx-rs/naga/pull/1937)) **@jakobhellermann** **@nical** **@jimblandy**
- Do not unconditionally make error output colorful ([#1707](https://github.com/gfx-rs/naga/pull/1707)) **@rhysd**
- Rename `StorageClass` to `AddressSpace` ([#1699](https://github.com/gfx-rs/naga/pull/1699)) **@kvark**
- Add a way to emit errors to a path ([#1640](https://github.com/gfx-rs/naga/pull/1640)) **@laptou**
CLI
- Add `bincode` representation ([#1729](https://github.com/gfx-rs/naga/pull/1729)) **@kvark**
- Include file path in WGSL parse error ([#1708](https://github.com/gfx-rs/naga/pull/1708)) **@rhysd**
- Add `--version` flag ([#1706](https://github.com/gfx-rs/naga/pull/1706)) **@rhysd**
- Support reading input from stdin via `--stdin-file-path` ([#1701](https://github.com/gfx-rs/naga/pull/1701)) **@rhysd**
- Use `panic = "abort"` ([#1597](https://github.com/gfx-rs/naga/pull/1597)) **@jrmuizel**
DOCS
- Standardize some docs ([#1660](https://github.com/gfx-rs/naga/pull/1660)) **@NoelTautges**
- Document `TypeInner::BindingArray` ([#1859](https://github.com/gfx-rs/naga/pull/1859)) **@jimblandy**
- Clarify accepted types for `Expression::AccessIndex` ([#1862](https://github.com/gfx-rs/naga/pull/1862)) **@NoelTautges**
- Document `proc::layouter` ([#1693](https://github.com/gfx-rs/naga/pull/1693)) **@jimblandy**
- Document Naga's promises around validation and panics ([#1828](https://github.com/gfx-rs/naga/pull/1828)) **@jimblandy**
- `FunctionInfo` doc fixes ([#1726](https://github.com/gfx-rs/naga/pull/1726)) **@jimblandy**
VALIDATOR
- Forbid returning pointers and atomics from functions ([#911](https://github.com/gfx-rs/naga/pull/911)) **@jimblandy**
- Let validation check for more unsupported builtins ([#1962](https://github.com/gfx-rs/naga/pull/1962)) **@jimblandy**
- Fix `Capabilities::SAMPLER_NON_UNIFORM_INDEXING` bitflag ([#1915](https://github.com/gfx-rs/naga/pull/1915)) **@cwfitzgerald**
- Properly check that user-defined IO uses IO-shareable types ([#912](https://github.com/gfx-rs/naga/pull/912)) **@jimblandy**
- Validate `ValuePointer` exactly like a `Pointer` to a `Scalar` ([#1875](https://github.com/gfx-rs/naga/pull/1875)) **@jimblandy**
- Reject empty structs ([#1826](https://github.com/gfx-rs/naga/pull/1826)) **@jimblandy**
- Validate uniform address space layout constraints ([#1812](https://github.com/gfx-rs/naga/pull/1812)) **@teoxoy**
- Improve `AddressSpace` related error messages ([#1710](https://github.com/gfx-rs/naga/pull/1710)) **@kvark**
WGSL-IN
Main breaking changes
- Commas to separate struct members (comma after last member is optional)
- `struct S { a: f32; b: i32; }` -> `struct S { a: f32, b: i32 }`
- Attribute syntax
- `[[binding(0), group(0)]]` -> `@binding(0) @group(0)`
- Entry point stage attributes
- `@stage(vertex)` -> `@vertex`
- `@stage(fragment)` -> `@fragment`
- `@stage(compute)` -> `@compute`
- Function renames
- `smoothStep` -> `smoothstep`
- `findLsb` -> `firstTrailingBit`
- `findMsb` -> `firstLeadingBit`
Specification Changes (relevant changes have also been applied to the WGSL backend)
- Add support for `break if` ([#1993](https://github.com/gfx-rs/naga/pull/1993)) **@JCapucho**
- Update number literal format ([#1863](https://github.com/gfx-rs/naga/pull/1863)) **@teoxoy**
- Allow non-ascii characters in identifiers ([#1849](https://github.com/gfx-rs/naga/pull/1849)) **@teoxoy**
- Update reserved keywords ([#1847](https://github.com/gfx-rs/naga/pull/1847), [#1870](https://github.com/gfx-rs/naga/pull/1870), [#1905](https://github.com/gfx-rs/naga/pull/1905)) **@teoxoy** **@Gordon-F**
- Update entry point stage attributes ([#1833](https://github.com/gfx-rs/naga/pull/1833)) **@Gordon-F**
- Make colon in case optional ([#1801](https://github.com/gfx-rs/naga/pull/1801)) **@Gordon-F**
- Rename `smoothStep` to `smoothstep` ([#1800](https://github.com/gfx-rs/naga/pull/1800)) **@Gordon-F**
- Make semicolon after struct declaration optional ([#1791](https://github.com/gfx-rs/naga/pull/1791)) **@stshine**
- Use commas to separate struct members instead of semicolons ([#1773](https://github.com/gfx-rs/naga/pull/1773)) **@Gordon-F**
- Rename `findLsb`/`findMsb` to `firstTrailingBit`/`firstLeadingBit` ([#1735](https://github.com/gfx-rs/naga/pull/1735)) **@kvark**
- Make parenthesis optional for `if` and `switch` statements ([#1725](https://github.com/gfx-rs/naga/pull/1725)) **@Gordon-F**
- Declare attributes with `@attrib` instead of `[[attrib]]` ([#1676](https://github.com/gfx-rs/naga/pull/1676)) **@kvark**
- Allow non-structure buffer types ([#1682](https://github.com/gfx-rs/naga/pull/1682)) **@kvark**
- Remove `stride` attribute ([#1681](https://github.com/gfx-rs/naga/pull/1681)) **@kvark**
Improvements
- Implement complete validation for size and align attributes ([#1979](https://github.com/gfx-rs/naga/pull/1979)) **@teoxoy**
- Implement `firstTrailingBit`/`firstLeadingBit` u32 overloads ([#1865](https://github.com/gfx-rs/naga/pull/1865)) **@teoxoy**
- Add error for non-floating-point matrix ([#1917](https://github.com/gfx-rs/naga/pull/1917)) **@grovesNL**
- Implement partial vector & matrix identity constructors ([#1916](https://github.com/gfx-rs/naga/pull/1916)) **@teoxoy**
- Implement phony assignment ([#1866](https://github.com/gfx-rs/naga/pull/1866), [#1869](https://github.com/gfx-rs/naga/pull/1869)) **@teoxoy**
- Fix being able to match `~=` as LogicalOperation ([#1849](https://github.com/gfx-rs/naga/pull/1849)) **@teoxoy**
- Implement Binding Arrays ([#1845](https://github.com/gfx-rs/naga/pull/1845)) **@cwfitzgerald**
- Implement unary vector operators ([#1820](https://github.com/gfx-rs/naga/pull/1820)) **@teoxoy**
- Implement zero value constructors and constructors that infer their type from their parameters ([#1790](https://github.com/gfx-rs/naga/pull/1790)) **@teoxoy**
- Implement invariant attribute ([#1789](https://github.com/gfx-rs/naga/pull/1789), [#1822](https://github.com/gfx-rs/naga/pull/1822)) **@teoxoy** **@jimblandy**
- Implement increment and decrement statements ([#1788](https://github.com/gfx-rs/naga/pull/1788), [#1912](https://github.com/gfx-rs/naga/pull/1912)) **@teoxoy**
- Implement `while` loop ([#1787](https://github.com/gfx-rs/naga/pull/1787)) **@teoxoy**
- Fix array size on globals ([#1717](https://github.com/gfx-rs/naga/pull/1717)) **@jimblandy**
- Implement integer vector overloads for `dot` function ([#1689](https://github.com/gfx-rs/naga/pull/1689)) **@francesco-cattoglio**
- Implement block comments ([#1675](https://github.com/gfx-rs/naga/pull/1675)) **@kocsis1david**
- Implement assignment binary operators ([#1662](https://github.com/gfx-rs/naga/pull/1662)) **@kvark**
- Implement `radians`/`degrees` builtin functions ([#1627](https://github.com/gfx-rs/naga/pull/1627)) **@encounter**
- Implement `findLsb`/`findMsb` builtin functions ([#1473](https://github.com/gfx-rs/naga/pull/1473)) **@fintelia**
- Implement `textureGather`/`textureGatherCompare` builtin functions ([#1596](https://github.com/gfx-rs/naga/pull/1596)) **@kvark**
SPV-IN
- Implement `OpBitReverse` and `OpBitCount` ([#1954](https://github.com/gfx-rs/naga/pull/1954)) **@JCapucho**
- Add `MultiView` to `SUPPORTED_CAPABILITIES` ([#1934](https://github.com/gfx-rs/naga/pull/1934)) **@expenses**
- Translate `OpSMod` and `OpFMod` correctly ([#1867](https://github.com/gfx-rs/naga/pull/1867), [#1995](https://github.com/gfx-rs/naga/pull/1995)) **@teoxoy** **@JCapucho**
- Error on unsupported `MatrixStride` ([#1805](https://github.com/gfx-rs/naga/pull/1805)) **@teoxoy**
- Align array stride for undecorated arrays ([#1724](https://github.com/gfx-rs/naga/pull/1724)) **@JCapucho**
GLSL-IN
- Don't allow empty last case in switch ([#1981](https://github.com/gfx-rs/naga/pull/1981)) **@JCapucho**
- Fix last case fallthrough and empty switch ([#1981](https://github.com/gfx-rs/naga/pull/1981)) **@JCapucho**
- Splat inputs for smoothstep if needed ([#1976](https://github.com/gfx-rs/naga/pull/1976)) **@JCapucho**
- Fix parameter not changing to depth ([#1967](https://github.com/gfx-rs/naga/pull/1967)) **@JCapucho**
- Fix matrix multiplication check ([#1953](https://github.com/gfx-rs/naga/pull/1953)) **@JCapucho**
- Fix panic (stop emitter in conditional) ([#1952](https://github.com/gfx-rs/naga/pull/1952)) **@JCapucho**
- Translate `mod` fn correctly ([#1867](https://github.com/gfx-rs/naga/pull/1867)) **@teoxoy**
- Make the ternary operator behave as an if ([#1877](https://github.com/gfx-rs/naga/pull/1877)) **@JCapucho**
- Add support for `clamp` function ([#1502](https://github.com/gfx-rs/naga/pull/1502)) **@sjinno**
- Better errors for bad constant expression ([#1501](https://github.com/gfx-rs/naga/pull/1501)) **@sjinno**
- Error on a `matCx2` used with the `std140` layout ([#1806](https://github.com/gfx-rs/naga/pull/1806)) **@teoxoy**
- Allow nested accesses in lhs positions ([#1794](https://github.com/gfx-rs/naga/pull/1794)) **@JCapucho**
- Use forced conversions for vector/matrix constructors ([#1796](https://github.com/gfx-rs/naga/pull/1796)) **@JCapucho**
- Add support for `barrier` function ([#1793](https://github.com/gfx-rs/naga/pull/1793)) **@fintelia**
- Fix panic (resume expression emit after `imageStore`) ([#1795](https://github.com/gfx-rs/naga/pull/1795)) **@JCapucho**
- Allow multiple array specifiers ([#1780](https://github.com/gfx-rs/naga/pull/1780)) **@JCapucho**
- Fix memory qualifiers being inverted ([#1779](https://github.com/gfx-rs/naga/pull/1779)) **@JCapucho**
- Support arrays as input/output types ([#1759](https://github.com/gfx-rs/naga/pull/1759)) **@JCapucho**
- Fix freestanding constructor parsing ([#1758](https://github.com/gfx-rs/naga/pull/1758)) **@JCapucho**
- Fix matrix - scalar operations ([#1757](https://github.com/gfx-rs/naga/pull/1757)) **@JCapucho**
- Fix matrix - matrix division ([#1757](https://github.com/gfx-rs/naga/pull/1757)) **@JCapucho**
- Fix matrix comparisons ([#1757](https://github.com/gfx-rs/naga/pull/1757)) **@JCapucho**
- Add support for `texelFetchOffset` ([#1746](https://github.com/gfx-rs/naga/pull/1746)) **@JCapucho**
- Inject `sampler2DMSArray` builtins on use ([#1737](https://github.com/gfx-rs/naga/pull/1737)) **@JCapucho**
- Inject `samplerCubeArray` builtins on use ([#1736](https://github.com/gfx-rs/naga/pull/1736)) **@JCapucho**
- Add support for image builtin functions ([#1723](https://github.com/gfx-rs/naga/pull/1723)) **@JCapucho**
- Add support for image declarations ([#1723](https://github.com/gfx-rs/naga/pull/1723)) **@JCapucho**
- Texture builtins fixes ([#1719](https://github.com/gfx-rs/naga/pull/1719)) **@JCapucho**
- Type qualifiers rework ([#1713](https://github.com/gfx-rs/naga/pull/1713)) **@JCapucho**
- `texelFetch` accept multisampled textures ([#1715](https://github.com/gfx-rs/naga/pull/1715)) **@JCapucho**
- Fix panic when culling nested block ([#1714](https://github.com/gfx-rs/naga/pull/1714)) **@JCapucho**
- Fix composite constructors ([#1631](https://github.com/gfx-rs/naga/pull/1631)) **@JCapucho**
- Fix using swizzle as out arguments ([#1632](https://github.com/gfx-rs/naga/pull/1632)) **@JCapucho**
SPV-OUT
- Implement `reverseBits` and `countOneBits` ([#1897](https://github.com/gfx-rs/naga/pull/1897)) **@hasali19**
- Use `OpCopyObject` for matrix identity casts ([#1916](https://github.com/gfx-rs/naga/pull/1916)) **@teoxoy**
- Use `OpCopyObject` for bool - bool conversion due to `OpBitcast` not being feasible for booleans ([#1916](https://github.com/gfx-rs/naga/pull/1916)) **@teoxoy**
- Zero init variables in function and private address spaces ([#1871](https://github.com/gfx-rs/naga/pull/1871)) **@teoxoy**
- Use `SRem` instead of `SMod` ([#1867](https://github.com/gfx-rs/naga/pull/1867)) **@teoxoy**
- Add support for integer vector - scalar multiplication ([#1820](https://github.com/gfx-rs/naga/pull/1820)) **@teoxoy**
- Add support for matrix addition and subtraction ([#1820](https://github.com/gfx-rs/naga/pull/1820)) **@teoxoy**
- Emit required decorations on wrapper struct types ([#1815](https://github.com/gfx-rs/naga/pull/1815)) **@jimblandy**
- Decorate array and struct type layouts unconditionally ([#1815](https://github.com/gfx-rs/naga/pull/1815)) **@jimblandy**
- Fix wrong `MatrixStride` for `matCx2` and `mat2xR` ([#1781](https://github.com/gfx-rs/naga/pull/1781)) **@teoxoy**
- Use `OpImageQuerySize` for MS images ([#1742](https://github.com/gfx-rs/naga/pull/1742)) **@JCapucho**
MSL-OUT
- Insert padding initialization for global constants ([#1988](https://github.com/gfx-rs/naga/pull/1988)) **@teoxoy**
- Don't rely on cached expressions ([#1975](https://github.com/gfx-rs/naga/pull/1975)) **@JCapucho**
- Fix pointers to private or workgroup address spaces possibly being read only ([#1901](https://github.com/gfx-rs/naga/pull/1901)) **@teoxoy**
- Zero init variables in function address space ([#1871](https://github.com/gfx-rs/naga/pull/1871)) **@teoxoy**
- Make binding arrays play nice with bounds checks ([#1855](https://github.com/gfx-rs/naga/pull/1855)) **@cwfitzgerald**
- Permit `invariant` qualifier on vertex shader outputs ([#1821](https://github.com/gfx-rs/naga/pull/1821)) **@jimblandy**
- Fix packed `vec3` stores ([#1816](https://github.com/gfx-rs/naga/pull/1816)) **@teoxoy**
- Actually test push constants to be used ([#1767](https://github.com/gfx-rs/naga/pull/1767)) **@kvark**
- Properly rename entry point arguments for struct members ([#1766](https://github.com/gfx-rs/naga/pull/1766)) **@jimblandy**
- Qualify read-only storage with const ([#1763](https://github.com/gfx-rs/naga/pull/1763)) **@kvark**
- Fix not unary operator for integer scalars ([#1760](https://github.com/gfx-rs/naga/pull/1760)) **@vincentisambart**
- Add bounds checks for `ImageLoad` and `ImageStore` ([#1730](https://github.com/gfx-rs/naga/pull/1730)) **@jimblandy**
- Fix resource bindings for non-structures ([#1718](https://github.com/gfx-rs/naga/pull/1718)) **@kvark**
- Always check whether _buffer_sizes arg is needed ([#1717](https://github.com/gfx-rs/naga/pull/1717)) **@jimblandy**
- WGSL storage address space should always correspond to MSL device address space ([#1711](https://github.com/gfx-rs/naga/pull/1711)) **@wtholliday**
- Mitigation for MSL atomic bounds check ([#1703](https://github.com/gfx-rs/naga/pull/1703)) **@glalonde**
HLSL-OUT
- More `matCx2` fixes (#1989) ([#1989](https://github.com/gfx-rs/naga/pull/1989)) **@teoxoy**
- Fix fallthrough in switch statements ([#1920](https://github.com/gfx-rs/naga/pull/1920)) **@teoxoy**
- Fix missing break statements ([#1919](https://github.com/gfx-rs/naga/pull/1919)) **@teoxoy**
- Fix `countOneBits` and `reverseBits` for signed integers ([#1928](https://github.com/gfx-rs/naga/pull/1928)) **@hasali19**
- Fix array constructor return type ([#1914](https://github.com/gfx-rs/naga/pull/1914)) **@teoxoy**
- Fix hlsl output for writes to scalar/vector storage buffer ([#1903](https://github.com/gfx-rs/naga/pull/1903)) **@hasali19**
- Use `fmod` instead of `%` ([#1867](https://github.com/gfx-rs/naga/pull/1867)) **@teoxoy**
- Use wrapped constructors when loading from storage address space ([#1893](https://github.com/gfx-rs/naga/pull/1893)) **@teoxoy**
- Zero init struct constructor ([#1890](https://github.com/gfx-rs/naga/pull/1890)) **@teoxoy**
- Flesh out matrix handling documentation ([#1850](https://github.com/gfx-rs/naga/pull/1850)) **@jimblandy**
- Emit `row_major` qualifier on matrix uniform globals ([#1846](https://github.com/gfx-rs/naga/pull/1846)) **@jimblandy**
- Fix bool splat ([#1820](https://github.com/gfx-rs/naga/pull/1820)) **@teoxoy**
- Add more padding when necessary ([#1814](https://github.com/gfx-rs/naga/pull/1814)) **@teoxoy**
- Support multidimensional arrays ([#1814](https://github.com/gfx-rs/naga/pull/1814)) **@teoxoy**
- Don't output interpolation modifier if it's the default ([#1809](https://github.com/gfx-rs/naga/pull/1809)) **@NoelTautges**
- Fix `matCx2` translation for uniform buffers ([#1802](https://github.com/gfx-rs/naga/pull/1802)) **@teoxoy**
- Fix modifiers not being written in the vertex output and fragment input structs ([#1789](https://github.com/gfx-rs/naga/pull/1789)) **@teoxoy**
- Fix matrix not being declared as transposed ([#1784](https://github.com/gfx-rs/naga/pull/1784)) **@teoxoy**
- Insert padding between struct members ([#1786](https://github.com/gfx-rs/naga/pull/1786)) **@teoxoy**
- Fix not unary operator for integer scalars ([#1760](https://github.com/gfx-rs/naga/pull/1760)) **@vincentisambart**
GLSL-OUT
- Fix vector bitcasts (#1966) ([#1966](https://github.com/gfx-rs/naga/pull/1966)) **@expenses**
- Perform casts in int only math functions ([#1978](https://github.com/gfx-rs/naga/pull/1978)) **@JCapucho**
- Don't rely on cached expressions ([#1975](https://github.com/gfx-rs/naga/pull/1975)) **@JCapucho**
- Fix type error for `countOneBits` implementation ([#1897](https://github.com/gfx-rs/naga/pull/1897)) **@hasali19**
- Fix storage format for `Rgba8Unorm` ([#1955](https://github.com/gfx-rs/naga/pull/1955)) **@JCapucho**
- Implement bounds checks for `ImageLoad` ([#1889](https://github.com/gfx-rs/naga/pull/1889)) **@JCapucho**
- Fix feature search in expressions ([#1887](https://github.com/gfx-rs/naga/pull/1887)) **@JCapucho**
- Emit globals of any type ([#1823](https://github.com/gfx-rs/naga/pull/1823)) **@jimblandy**
- Add support for boolean vector `~`, `|` and `&` ops ([#1820](https://github.com/gfx-rs/naga/pull/1820)) **@teoxoy**
- Fix array function arguments ([#1814](https://github.com/gfx-rs/naga/pull/1814)) **@teoxoy**
- Write constant sized array type for uniform ([#1768](https://github.com/gfx-rs/naga/pull/1768)) **@hatoo**
- Texture function fixes ([#1742](https://github.com/gfx-rs/naga/pull/1742)) **@JCapucho**
- Push constants use anonymous uniforms ([#1683](https://github.com/gfx-rs/naga/pull/1683)) **@JCapucho**
- Add support for push constant emulation ([#1672](https://github.com/gfx-rs/naga/pull/1672)) **@JCapucho**
- Skip unsized types if unused ([#1649](https://github.com/gfx-rs/naga/pull/1649)) **@kvark**
- Write struct and array initializers ([#1644](https://github.com/gfx-rs/naga/pull/1644)) **@JCapucho**
## v0.8.5 (2022-01-25)
MSL-OUT
- Make VS-output positions invariant on even more systems ([#1697](https://github.com/gfx-rs/naga/pull/1697)) **@cwfitzgerald**
- Improve support for point primitives ([#1696](https://github.com/gfx-rs/naga/pull/1696)) **@kvark**
## v0.8.4 (2022-01-24)
MSL-OUT
- Make VS-output positions invariant if possible ([#1687](https://github.com/gfx-rs/naga/pull/1687)) **@kvark**
GLSL-OUT
- Fix `floatBitsToUint` spelling ([#1688](https://github.com/gfx-rs/naga/pull/1688)) **@cwfitzgerald**
- Call proper memory barrier functions ([#1680](https://github.com/gfx-rs/naga/pull/1680)) **@francesco-cattoglio**
## v0.8.3 (2022-01-20)
- Don't pin `indexmap` version ([#1666](https://github.com/gfx-rs/naga/pull/1666)) **@a1phyr**
MSL-OUT
- Fix support for point primitives ([#1674](https://github.com/gfx-rs/naga/pull/1674)) **@kvark**
GLSL-OUT
- Fix sampler association ([#1671](https://github.com/gfx-rs/naga/pull/1671)) **@JCapucho**
## v0.8.2 (2022-01-11)
VALIDATOR
- Check structure resource types ([#1639](https://github.com/gfx-rs/naga/pull/1639)) **@kvark**
WGSL-IN
- Improve type mismatch errors ([#1658](https://github.com/gfx-rs/naga/pull/1658)) **@Gordon-F**
SPV-IN
- Implement more sign agnostic operations ([#1651](https://github.com/gfx-rs/naga/pull/1651), [#1650](https://github.com/gfx-rs/naga/pull/1650)) **@JCapucho**
SPV-OUT
- Fix modulo operator (use `OpFRem` instead of `OpFMod`) ([#1653](https://github.com/gfx-rs/naga/pull/1653)) **@JCapucho**
MSL-OUT
- Fix `texture1d` accesses ([#1647](https://github.com/gfx-rs/naga/pull/1647)) **@jimblandy**
- Fix data packing functions ([#1637](https://github.com/gfx-rs/naga/pull/1637)) **@phoekz**
## v0.8.1 (2021-12-29)
API
- Make `WithSpan` clonable ([#1620](https://github.com/gfx-rs/naga/pull/1620)) **@jakobhellermann**
MSL-OUT
- Fix packed vec access ([#1634](https://github.com/gfx-rs/naga/pull/1634)) **@kvark**
- Fix packed float support ([#1630](https://github.com/gfx-rs/naga/pull/1630)) **@kvark**
HLSL-OUT
- Support arrays of matrices ([#1629](https://github.com/gfx-rs/naga/pull/1629)) **@kvark**
- Use `mad` instead of `fma` function ([#1580](https://github.com/gfx-rs/naga/pull/1580)) **@parasyte**
GLSL-OUT
- Fix conflicting names for globals ([#1616](https://github.com/gfx-rs/naga/pull/1616)) **@Gordon-F**
- Fix `fma` function ([#1580](https://github.com/gfx-rs/naga/pull/1580)) **@parasyte**
## v0.8 (2021-12-18)
- development release for wgpu-0.12
- lots of fixes in all parts
- validator:
- now gated by `validate` feature
- nicely detailed error messages with spans
- API:
- image gather operations
- WGSL-in:
- remove `[[block]]` attribute
- `elseif` is removed in favor of `else if`
- MSL-out:
- full out-of-bounds checking
## v0.7.3 (2021-12-14)
- API:
- `view_index` builtin
- GLSL-out:
- reflect textures without samplers
- SPV-out:
- fix incorrect pack/unpack
## v0.7.2 (2021-12-01)
- validator:
- check stores for proper pointer class
- HLSL-out:
- fix stores into `mat3`
- respect array strides
- SPV-out:
- fix multi-word constants
- WGSL-in:
- permit names starting with underscores
- SPV-in:
- cull unused builtins
- support empty debug labels
- GLSL-in:
- don't panic on invalid integer operations
## v0.7.1 (2021-10-12)
- implement casts from and to booleans in the backends
## v0.7 (2021-10-07)
- development release for wgpu-0.11
- API:
- bit extraction and packing functions
- hyperbolic trigonometry functions
- validation is gated by a cargo feature
- `view_index` builtin
- separate bounds checking policies for locals/buffers/textures
- IR:
- types and constants are guaranteed to be unique
- WGSL-in:
- new hex literal parser
- updated list of reserved words
- rewritten logic for resolving references and pointers
- `switch` can use unsigned selectors
- GLSL-in:
- better support for texture sampling
- better logic for auto-splatting scalars
- GLSL-out:
- fixed storage buffer layout
- fix module operator
- HLSL-out:
- fixed texture queries
- SPV-in:
- control flow handling is rewritten from scratch
- SPV-out:
- fully covered out-of-bounds checking
- option to emit point size
- option to clamp output depth
## v0.6.3 (2021-09-08)
- Reduced heap allocations when generating WGSL, HLSL, and GLSL
- WGSL-in:
- support module-scope `let` type inference
- SPV-in:
- fix depth sampling with projection
- HLSL-out:
- fix local struct construction
- GLSL-out:
- fix `select()` order
- SPV-out:
- allow working around Adreno issue with `OpName`
## v0.6.2 (2021-09-01)
- SPV-out fixes:
- requested capabilities for 1D and cube images, storage formats
- handling `break` and `continue` in a `switch` statement
- avoid generating duplicate `OpTypeImage` types
- HLSL-out fixes:
- fix output struct member names
- MSL-out fixes:
- fix packing of fields in interface structs
- GLSL-out fixes:
- fix non-fallthrough `switch` cases
- GLSL-in fixes:
- avoid infinite loop on invalid statements
## v0.6.1 (2021-08-24)
- HLSL-out fixes:
- array arguments
- pointers to array arguments
- switch statement
- rewritten interface matching
- SPV-in fixes:
- array storage texture stores
- tracking sampling across function parameters
- updated petgraph dependencies
- MSL-out:
- gradient sampling
- GLSL-out:
- modulo operator on floats
## v0.6 (2021-08-18)
- development release for wgpu-0.10
- API:
- atomic types and functions
- storage access is moved from global variables to the storage class and storage texture type
- new built-ins: `primitive_index` and `num_workgroups`
- support for multi-sampled depth images
- WGSL:
- `select()` order of true/false is swapped
- HLSL backend is vastly improved and now usable
- GLSL frontend is heavily reworked
## v0.5 (2021-06-18)
- development release for wgpu-0.9
- API:
- barriers
- dynamic indexing of matrices and arrays is only allowed on variables
- validator now accepts a list of IR capabilities to allow
- improved documentation
- Infrastructure:
- much richer test suite, focused around consuming or emitting WGSL
- lazy testing on large shader corpuses
- the binary is moved to a sub-crate "naga-cli"
- Frontends:
- GLSL frontend:
- rewritten from scratch and effectively revived, no longer depends on `pomelo`
- only supports 440/450/460 versions for now
- has optional support for codespan messages
- SPIRV frontend has improved CFG resolution (still with issues unresolved)
- WGSL got better error messages, workgroup memory support
- Backends:
- general: better expression naming and emitting
- new HLSL backend (in progress)
- MSL:
- support `ArraySize` expression
- better texture sampling instructions
- GLSL:
- multisampling on GLES
- WGSL is vastly improved and now usable
## v0.4.2 (2021-05-28)
- SPIR-V frontend:
- fix image stores
- fix matrix stride check
- SPIR-V backend:
- fix auto-deriving the capabilities
- GLSL backend:
- support sample interpolation
- write out swizzled vector accesses
## v0.4.1 (2021-05-14)
- numerous additions and improvements to SPIR-V frontend:
- int8, in16, int64
- null constant initializers for structs and matrices
- `OpArrayLength`, `OpCopyMemory`, `OpInBoundsAccessChain`, `OpLogicalXxxEqual`
- outer product
- fix struct size alignment
- initialize built-ins with default values
- fix read-only decorations on struct members
- fix struct size alignment in WGSL
- fix `fwidth` in WGSL
- fix scalars arrays in GLSL backend
## v0.4 (2021-04-29)
- development release for wgpu-0.8
- API:
- expressions are explicitly emitted with `Statement::Emit`
- entry points have inputs in arguments and outputs in the result type
- `input`/`output` storage classes are gone, but `push_constant` is added
- `Interpolation` is moved into `Binding::Location` variant
- real pointer semantics with required `Expression::Load`
- `TypeInner::ValuePointer` is added
- image query expressions are added
- new `Statement::ImageStore`
- all function calls are `Statement::Call`
- `GlobalUse` is moved out into processing
- `Header` is removed
- entry points are an array instead of a map
- new `Swizzle` and `Splat` expressions
- interpolation qualifiers are extended and required
- struct member layout is based on the byte offsets
- Infrastructure:
- control flow uniformity analysis
- texture-sampler combination gathering
- `CallGraph` processor is moved out into `glsl` backend
- `Interface` is removed, instead the analysis produces `ModuleInfo` with all the derived info
- validation of statement tree, expressions, and constants
- code linting is more strict for matches
- new GraphViz `dot` backend for pretty visualization of the IR
- Metal support for inlined samplers
- `convert` example is transformed into the default binary target named `naga`
- lots of frontend and backend fixes
## v0.3.2 (2021-02-15)
- fix logical expression types
- fix _FragDepth_ semantics
- spv-in:
- derive block status of structures
- spv-out:
- add lots of missing math functions
- implement discard
## v0.3.1 (2021-01-31)
- wgsl:
- support constant array sizes
- spv-out:
- fix block decorations on nested structures
- fix fixed-size arrays
- fix matrix decorations inside structures
- implement read-only decorations
## v0.3 (2021-01-30)
- development release for wgpu-0.7
- API:
- math functions
- type casts
- updated storage classes
- updated image sub-types
- image sampling/loading options
- storage images
- interpolation qualifiers
- early and conservative depth
- Processors:
- name manager
- automatic layout
- termination analysis
- validation of types, constants, variables, and entry points
## v0.2 (2020-08-17)
- development release for wgpu-0.6
## v0.1 (2020-02-26)
- initial release
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