Change Log

For changelogs after v0.14, see the wgpu changelog.

v0.14 (2023-10-25)

GENERAL

Add support for const-expressions. (#2309) @teoxoy, @jimblandy

Add support for the rgb10a2uint storage format. (#2525) @teoxoy

Implement module compaction for snapshot testing and the CLI. (#2472) @jimblandy

Fix validation and GLSL parsing of ldexp. (#2449) @fornwall

Add support for dual source blending. (#2427) @freqmod

Bump indexmap to v2. (#2426) @daxpedda

Bump MSRV to 1.65. (#2420) @jimblandy

API

Split UnaryOperator::Not into UnaryOperator::LogicalNot & UnaryOperator::BitwiseNot. (#2554) @teoxoy

Remove IsFinite & IsNormal relational functions. (#2532) @teoxoy

Derive PartialEq on Expression. (#2417) @robtfm

Use FastIndexMap for SpecialTypes::predeclared_types. (#2495) @jimblandy

CLI

Change --generate-debug-symbols from an option to a switch. (#2472) @jimblandy

Add support for .{vert,frag,comp}.glsl files. (#2462) @eliemichel

VALIDATOR

Require Capabilities::FLOAT64 for 64-bit floating-point literals. (#2567) @jimblandy

Add Capabilities::CUBE_ARRAY_TEXTURES. (#2530) @teoxoy

Disallow passing pointers to variables in the workgroup address space to functions. (#2507) @teoxoy

Avoid OOM with large sparse resource bindings. (#2561) @teoxoy

Require that Function and Private variables be CONSTRUCTIBLE. (#2545) @jimblandy

Disallow floating-point NaNs and infinities. (#2508) @teoxoy

Temporarily disable uniformity analysis for the fragment stage. (#2515) @teoxoy

Validate that textureSampleBias is only used in the fragment stage. (#2515) @teoxoy

Validate variable initializer for address spaces. (#2513) @teoxoy

Prevent using multiple push constant variables in one entry point. (#2484) @andriyDev

Validate binding_array variable address space. (#2422) @teoxoy

Validate storage buffer access. (#2415) @teoxoy

WGSL-IN

Fix expected min arg count of textureLoad. (#2584) @teoxoy

Turn Error::Other into Error::Internal, to help devs. (#2574) @jimblandy

Fix OOB typifier indexing. (#2570) @teoxoy

Add support for the bgra8unorm storage format. (#2542 & #2550) @nical

Remove the outerProduct built-in function. (#2535) @teoxoy

Add support for i32 overload of the sign built-in function. (#2463) @fornwall

Properly implement modf and frexp. (#2454) @fornwall

Add support for scalar overloads of all & any built-in functions. (#2445) @fornwall

Don't splat the left hand operand of a binary operation if it's not a scalar. (#2444) @fornwall

Avoid splatting all binary operator expressions. (#2440) @fornwall

Error on repeated or missing @workgroup_size(). (#2435) @fornwall

Error on repeated attributes. (#2428) @fornwall

Fix error message for invalid texture{Load,Store}() on arrayed textures. (#2432) @fornwall

SPV-IN

Disable Modf & Frexp and translate ModfStruct & FrexpStruct to their IR equivalents. (#2527) @teoxoy

Don't advertise support for Capability::ImageMSArray & Capability::InterpolationFunction. (#2529) @teoxoy

Fix OpImageQueries to allow Uints. (#2404) @evahop

GLSL-IN

Disable modf & frexp. (#2527) @teoxoy

SPV-OUT

Require ClipDistance & CullDistance capabilities if necessary. (#2528) @teoxoy

Change naga::back::spv::DebugInfo::file_name to a &Path. (#2501) @jimblandy

Always give structs with runtime arrays a Block decoration. (#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) @teoxoy

Cache OpConstantNull. (#2414) @evahop

MSL-OUT

Add and fix minimum Metal version checks for optional functionality. (#2486) @teoxoy

Make varyings' struct members unique. (#2521) @evahop

Add experimental vertex pulling transform flag. (#5254) @bradwerth

Fixup some generated MSL for vertex buffer unpack functions. (#5829) @bradwerth

Make vertex pulling transform on by default. (#5773) @bradwerth

GLSL-OUT

Cull functions that should not be available for a given stage. (#2531) @teoxoy

Rename identifiers containing double underscores. (#2510) @evahop

Polyfill frexp. (#2504) @evahop

Add built-in functions to keywords. (#2410) @fornwall

WGSL-OUT

Generate correct code for bit complement on integers. (#2548) @jimblandy

Don't include type parameter in splat expressions. (#2469) @jimblandy

v0.13 (2023-07-21)

GENERAL

Move from make to cargo xtask workflows. (#2297) @ErichDonGubler

Omit non referenced expressions from output. (#2378) @teoxoy

Bump bitflags to v2. (#2358) @daxpedda

Implement workgroupUniformLoad. (#2201) @DJMcNab

API

Expose early depth test field. (#2393) @Joeoc2001

Split image bounds check policy. (#2265) @teoxoy

Change type of constant sized arrays to NonZeroU32. (#2337) @teoxoy

Introduce GlobalCtx. (#2335) @teoxoy

Introduce Expression::Literal. (#2333) @teoxoy

Introduce Expression::ZeroValue. (#2332) @teoxoy

Add support for const-expressions (only at the API level, functionality is still WIP). (#2266) @teoxoy, @jimblandy

DOCS

Document which expressions are in scope for a break_if expression. (#2326) @jimblandy

VALIDATOR

Don't use std::opsIndex, used only when "validate" is on. (#2383) @jimblandy

Remove unneeded ConstantError::Unresolved{Component,Size}. (#2330) @ErichDonGubler

Remove TypeError::UnresolvedBase. (#2308) @ErichDonGubler

WGSL-IN

Error on param redefinition. (#2342) @SparkyPotato

SPV-IN

Improve documentation for SPIR-V control flow parsing. (#2324) @jimblandy

Obey the is_depth field of OpTypeImage. (#2341) @expenses

Convert conditional backedges to break if. (#2290) @eddyb

GLSL-IN

Support commas in structure definitions. (#2400) @fornwall

SPV-OUT

Add debug info. (#2379) @wicast

Use IndexSet instead of HashSet for iterated sets (capabilities/extensions). (#2389) @eddyb

Support array bindings of buffers. (#2282) @kvark

MSL-OUT

Rename allow_point_size to allow_and_force_point_size. (#2280) @teoxoy

Initialize arrays inline. (#2331) @teoxoy

HLSL-OUT

Implement Pack/Unpack for HLSL. (#2353) @Elabajaba

Complete HLSL reserved symbols. (#2367) @teoxoy

Handle case insensitive FXC keywords. (#2347) @PJB3005

Fix return type for firstbitlow/high. (#2315) @evahop

GLSL-OUT

textureSize level must be a signed integer. (#2397) @nical

Fix functions with array return type. (#2382) @Gordon-F

WGSL-OUT

Output @interpolate(flat) attribute for integer locations. (#2318) @expenses

v0.12.3 (2023-07-09)

WGSL-OUT

(Backport) Output @interpolate(flat) attribute for integer locations. (#2318) @expenses

v0.12.2 (2023-05-30)

SPV-OUT

(Backport) Support array bindings of buffers. (#2282) @kvark

v0.12.1 (2023-05-18)

SPV-IN

(Backport) Convert conditional backedges to break if. (#2290) @eddyb

v0.12 (2023-04-19)

GENERAL

Allow array_index to be unsigned. (#2298) @daxpedda

Add ray query support. (#2256) @kvark

Add partial derivative builtins. (#2277) @evahop

Skip gl_PerVertex unused builtins in the SPIR-V frontend. (#2272) @teoxoy

Differentiate between i32 and u32 in switch statement cases. (#2269) @evahop

Fix zero initialization of workgroup memory. (#2259) @teoxoy

Add countTrailingZeros. (#2243) @gents83

Fix texture built-ins where u32 was expected. (#2245) @evahop

Add countLeadingZeros. (#2226) @evahop

[glsl/hlsl-out] Write sizes of arrays behind pointers in function arguments. (#2250) @pluiedev

VALIDATOR

Validate vertex stage returns the position built-in. (#2264) @teoxoy

Enforce discard is only used in the fragment stage. (#2262) @Uriopass

Add Capabilities::MULTISAMPLED_SHADING. (#2255) @teoxoy

Add Capabilities::EARLY_DEPTH_TEST. (#2255) @teoxoy

Add Capabilities::MULTIVIEW. (#2255) @teoxoy

Improve forward declaration validation. (#2232) @JCapucho

WGSL-IN

Use alias instead of type for type aliases. (#2299) @FL33TW00D

Add predeclared vector and matrix type aliases. (#2251) @evahop

Improve invalid assignment diagnostic. (#2233) @SparkyPotato

Expect semicolons wherever required. (#2233) @SparkyPotato

Fix panic on invalid zero array size. (#2233) @SparkyPotato

Check for leading { while parsing a block. (#2233) @SparkyPotato

SPV-IN

Don't apply interpolation to fragment shaders outputs. (#2239) @JCapucho

GLSL-IN

Add switch implicit type conversion. (#2273) @evahop

Document some fields of naga::front::glsl::context::Context. (#2244) @jimblandy

Perform output parameters implicit casts. (#2063) @JCapucho

Add not vector relational builtin. (#2227) @JCapucho

Add double overloads for relational vector builtins. (#2227) @JCapucho

Add bool overloads for relational vector builtins. (#2227) @JCapucho

SPV-OUT

Fix invalid spirv being generated from integer dot products. (#2291) @PyryM

Fix adding illegal decorators on fragment outputs. (#2286) @Wumpf

Fix countLeadingZeros impl. (#2258) @teoxoy

Cache constant composites. (#2257) @evahop

Support SPIR-V version 1.4. (#2230) @kvark

MSL-OUT

Replace per_stage_map with per_entry_point_map (#2237) @armansito

Update firstLeadingBit for signed integers (#2235) @evahop

HLSL-OUT

Use Interlocked<op> intrinsic for atomic integers (#2294) (#2294) @ErichDonGubler

Document storage access generation. (#2295) @jimblandy

Emit constructor functions for arrays. (#2281) @ErichDonGubler

Clear named_expressions inserted by duplicated blocks. (#2116) @teoxoy

GLSL-OUT

Skip invariant for gl_FragCoord on WebGL2. (#2254) @grovesNL

Inject default gl_PointSize = 1.0 in vertex shaders if FORCE_POINT_SIZE option was set. (#2223) @REASY

v0.11.1 (2023-05-18)

SPV-IN

(Backport) Convert conditional backedges to break if. (#2290) @eddyb

v0.11 (2023-01-25)

Move to the Rust 2021 edition (#2085) @ErichDonGubler

Bump MSRV to 1.63 (#2129) @teoxoy

API

Add handle validation pass to Validator (#2090) @ErichDonGubler

Add Range::new_from_bounds (#2148) @robtfm

DOCS

Fix docs for Emit statements (#2208) @jimblandy

Fix invalid <...> URLs with code spans (#2176) @ErichDonGubler

Explain how case clauses with multiple selectors are supported (#2126) @teoxoy

Document EarlyDepthTest and ConservativeDepth syntax (#2132) @coreh

VALIDATOR

Allow u32 coordinates for textureStore/textureLoad (#2172) @PENGUINLIONG

Fix array being flagged as constructible when its base isn't (#2111) @teoxoy

Add type_flags to ModuleInfo (#2111) @teoxoy

Remove overly restrictive array stride check (#2215) @fintelia

Let the uniformity analysis trust the handle validation pass (#2200) @jimblandy

Fix warnings when building tests without validation (#2177) @jimblandy

Add ValidationFlags::BINDINGS (#2156) @kvark

Fix textureGather on texture_2d<u32/i32> (#2138) @JMS55

ALL (FRONTENDS/BACKENDS)

Support 16-bit unorm/snorm formats (#2210) @fintelia

Support gl_PointCoord (#2180) @Neo-Zhixing

ALL BACKENDS

Add support for zero-initializing workgroup memory (#2111) @teoxoy

WGSL-IN

Implement module-level scoping (#2075) @SparkyPotato

Remove isFinite and isNormal (#2218) @evahop

Update inverse hyperbolic built-ins (#2218) @evahop

Add refract built-in (#2218) @evahop

Update reserved keywords (#2130) @teoxoy

Remove non-32bit integers (#2146) @teoxoy

Remove workgroup_size builtin (#2147) @teoxoy

Remove fallthrough statement (#2126) @teoxoy

SPV-IN

Support binding arrays (#2199) @Patryk27

GLSL-IN

Fix position propagation in lowering (#2079) @JCapucho

Update initializer list type when parsing (#2066) @JCapucho

Parenthesize unary negations to avoid -- (#2087) @ErichDonGubler

SPV-OUT

Add support for atomicCompareExchangeWeak (#2165) @aweinstock314

Omit extra switch case blocks where possible (#2126) @teoxoy

Fix switch cases after default not being output (#2126) @teoxoy

MSL-OUT

Don't panic on missing bindings (#2175) @kvark

Omit extra switch case blocks where possible (#2126) @teoxoy

Fix textureGather compatibility on macOS 10.13 (#2104) @xiaopengli89

Fix incorrect atomic bounds check on metal back-end (#2099) @raphlinus

Parenthesize unary negations to avoid -- (#2087) @ErichDonGubler

HLSL-OUT

Simplify write_default_init (#2111) @teoxoy

Omit extra switch case blocks where possible (#2126) @teoxoy

Properly implement bitcast (#2097) @cwfitzgerald

Fix storage access chain through a matrix (#2097) @cwfitzgerald

Workaround FXC Bug in Matrix Indexing (#2096) @cwfitzgerald

Parenthesize unary negations to avoid -- (#2087) @ErichDonGubler

GLSL-OUT

Introduce a flag to include unused items (#2205) @robtfm

Use fma polyfill for versions below gles 320 (#2197) @teoxoy

Emit reflection info for non-struct uniforms (#2189) @Rainb0wCodes

Introduce a new block for switch cases (#2126) @teoxoy

WGSL-OUT

Write correct scalar kind when width != 4 (#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) @teoxoy

Update MSRV to 1.56 (#1838) @teoxoy

API

Rename TypeFlags INTERFACE/HOST_SHARED to IO_SHARED/HOST_SHAREABLE (#1872) @jimblandy

Expose more error information (#1827, #1937) @jakobhellermann @nical @jimblandy

Do not unconditionally make error output colorful (#1707) @rhysd

Rename StorageClass to AddressSpace (#1699) @kvark

Add a way to emit errors to a path (#1640) @laptou

CLI

Add bincode representation (#1729) @kvark

Include file path in WGSL parse error (#1708) @rhysd

Add --version flag (#1706) @rhysd

Support reading input from stdin via --stdin-file-path (#1701) @rhysd

Use panic = "abort" (#1597) @jrmuizel

DOCS

Standardize some docs (#1660) @NoelTautges

Document TypeInner::BindingArray (#1859) @jimblandy

Clarify accepted types for Expression::AccessIndex (#1862) @NoelTautges

Document proc::layouter (#1693) @jimblandy

Document Naga's promises around validation and panics (#1828) @jimblandy

FunctionInfo doc fixes (#1726) @jimblandy

VALIDATOR

Forbid returning pointers and atomics from functions (#911) @jimblandy

Let validation check for more unsupported builtins (#1962) @jimblandy

Fix Capabilities::SAMPLER_NON_UNIFORM_INDEXING bitflag (#1915) @cwfitzgerald

Properly check that user-defined IO uses IO-shareable types (#912) @jimblandy

Validate ValuePointer exactly like a Pointer to a Scalar (#1875) @jimblandy

Reject empty structs (#1826) @jimblandy

Validate uniform address space layout constraints (#1812) @teoxoy

Improve AddressSpace related error messages (#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) @JCapucho

Update number literal format (#1863) @teoxoy

Allow non-ascii characters in identifiers (#1849) @teoxoy

Update reserved keywords (#1847, #1870, #1905) @teoxoy @Gordon-F

Update entry point stage attributes (#1833) @Gordon-F

Make colon in case optional (#1801) @Gordon-F

Rename smoothStep to smoothstep (#1800) @Gordon-F

Make semicolon after struct declaration optional (#1791) @stshine

Use commas to separate struct members instead of semicolons (#1773) @Gordon-F

Rename findLsb/findMsb to firstTrailingBit/firstLeadingBit (#1735) @kvark

Make parenthesis optional for if and switch statements (#1725) @Gordon-F

Declare attributes with @attrib instead of attrib (#1676) @kvark

Allow non-structure buffer types (#1682) @kvark

Remove stride attribute (#1681) @kvark

Improvements

Implement complete validation for size and align attributes (#1979) @teoxoy

Implement firstTrailingBit/firstLeadingBit u32 overloads (#1865) @teoxoy

Add error for non-floating-point matrix (#1917) @grovesNL

Implement partial vector & matrix identity constructors (#1916) @teoxoy

Implement phony assignment (#1866, #1869) @teoxoy

Fix being able to match ~= as LogicalOperation (#1849) @teoxoy

Implement Binding Arrays (#1845) @cwfitzgerald

Implement unary vector operators (#1820) @teoxoy

Implement zero value constructors and constructors that infer their type from their parameters (#1790) @teoxoy

Implement invariant attribute (#1789, #1822) @teoxoy @jimblandy

Implement increment and decrement statements (#1788, #1912) @teoxoy

Implement while loop (#1787) @teoxoy

Fix array size on globals (#1717) @jimblandy

Implement integer vector overloads for dot function (#1689) @francesco-cattoglio

Implement block comments (#1675) @kocsis1david

Implement assignment binary operators (#1662) @kvark

Implement radians/degrees builtin functions (#1627) @encounter

Implement findLsb/findMsb builtin functions (#1473) @fintelia

Implement textureGather/textureGatherCompare builtin functions (#1596) @kvark

SPV-IN

Implement OpBitReverse and OpBitCount (#1954) @JCapucho

Add MultiView to SUPPORTED_CAPABILITIES (#1934) @expenses

Translate OpSMod and OpFMod correctly (#1867, #1995) @teoxoy @JCapucho

Error on unsupported MatrixStride (#1805) @teoxoy

Align array stride for undecorated arrays (#1724) @JCapucho

GLSL-IN

Don't allow empty last case in switch (#1981) @JCapucho

Fix last case fallthrough and empty switch (#1981) @JCapucho

Splat inputs for smoothstep if needed (#1976) @JCapucho

Fix parameter not changing to depth (#1967) @JCapucho

Fix matrix multiplication check (#1953) @JCapucho

Fix panic (stop emitter in conditional) (#1952) @JCapucho

Translate mod fn correctly (#1867) @teoxoy

Make the ternary operator behave as an if (#1877) @JCapucho

Add support for clamp function (#1502) @sjinno

Better errors for bad constant expression (#1501) @sjinno

Error on a matCx2 used with the std140 layout (#1806) @teoxoy

Allow nested accesses in lhs positions (#1794) @JCapucho

Use forced conversions for vector/matrix constructors (#1796) @JCapucho

Add support for barrier function (#1793) @fintelia

Fix panic (resume expression emit after imageStore) (#1795) @JCapucho

Allow multiple array specifiers (#1780) @JCapucho

Fix memory qualifiers being inverted (#1779) @JCapucho

Support arrays as input/output types (#1759) @JCapucho

Fix freestanding constructor parsing (#1758) @JCapucho

Fix matrix - scalar operations (#1757) @JCapucho

Fix matrix - matrix division (#1757) @JCapucho

Fix matrix comparisons (#1757) @JCapucho

Add support for texelFetchOffset (#1746) @JCapucho

Inject sampler2DMSArray builtins on use (#1737) @JCapucho

Inject samplerCubeArray builtins on use (#1736) @JCapucho

Add support for image builtin functions (#1723) @JCapucho

Add support for image declarations (#1723) @JCapucho

Texture builtins fixes (#1719) @JCapucho

Type qualifiers rework (#1713) @JCapucho

texelFetch accept multisampled textures (#1715) @JCapucho

Fix panic when culling nested block (#1714) @JCapucho

Fix composite constructors (#1631) @JCapucho

Fix using swizzle as out arguments (#1632) @JCapucho

SPV-OUT

Implement reverseBits and countOneBits (#1897) @hasali19

Use OpCopyObject for matrix identity casts (#1916) @teoxoy

Use OpCopyObject for bool - bool conversion due to OpBitcast not being feasible for booleans (#1916) @teoxoy

Zero init variables in function and private address spaces (#1871) @teoxoy

Use SRem instead of SMod (#1867) @teoxoy

Add support for integer vector - scalar multiplication (#1820) @teoxoy

Add support for matrix addition and subtraction (#1820) @teoxoy

Emit required decorations on wrapper struct types (#1815) @jimblandy

Decorate array and struct type layouts unconditionally (#1815) @jimblandy

Fix wrong MatrixStride for matCx2 and mat2xR (#1781) @teoxoy

Use OpImageQuerySize for MS images (#1742) @JCapucho

MSL-OUT

Insert padding initialization for global constants (#1988) @teoxoy

Don't rely on cached expressions (#1975) @JCapucho

Fix pointers to private or workgroup address spaces possibly being read only (#1901) @teoxoy

Zero init variables in function address space (#1871) @teoxoy

Make binding arrays play nice with bounds checks (#1855) @cwfitzgerald

Permit invariant qualifier on vertex shader outputs (#1821) @jimblandy

Fix packed vec3 stores (#1816) @teoxoy

Actually test push constants to be used (#1767) @kvark

Properly rename entry point arguments for struct members (#1766) @jimblandy

Qualify read-only storage with const (#1763) @kvark

Fix not unary operator for integer scalars (#1760) @vincentisambart

Add bounds checks for ImageLoad and ImageStore (#1730) @jimblandy

Fix resource bindings for non-structures (#1718) @kvark

Always check whether _buffer_sizes arg is needed (#1717) @jimblandy

WGSL storage address space should always correspond to MSL device address space (#1711) @wtholliday

Mitigation for MSL atomic bounds check (#1703) @glalonde

HLSL-OUT

More matCx2 fixes (#1989) (#1989) @teoxoy

Fix fallthrough in switch statements (#1920) @teoxoy

Fix missing break statements (#1919) @teoxoy

Fix countOneBits and reverseBits for signed integers (#1928) @hasali19

Fix array constructor return type (#1914) @teoxoy

Fix hlsl output for writes to scalar/vector storage buffer (#1903) @hasali19

Use fmod instead of % (#1867) @teoxoy

Use wrapped constructors when loading from storage address space (#1893) @teoxoy

Zero init struct constructor (#1890) @teoxoy

Flesh out matrix handling documentation (#1850) @jimblandy

Emit row_major qualifier on matrix uniform globals (#1846) @jimblandy

Fix bool splat (#1820) @teoxoy

Add more padding when necessary (#1814) @teoxoy

Support multidimensional arrays (#1814) @teoxoy

Don't output interpolation modifier if it's the default (#1809) @NoelTautges

Fix matCx2 translation for uniform buffers (#1802) @teoxoy

Fix modifiers not being written in the vertex output and fragment input structs (#1789) @teoxoy

Fix matrix not being declared as transposed (#1784) @teoxoy

Insert padding between struct members (#1786) @teoxoy

Fix not unary operator for integer scalars (#1760) @vincentisambart

GLSL-OUT

Fix vector bitcasts (#1966) (#1966) @expenses

Perform casts in int only math functions (#1978) @JCapucho

Don't rely on cached expressions (#1975) @JCapucho

Fix type error for countOneBits implementation (#1897) @hasali19

Fix storage format for Rgba8Unorm (#1955) @JCapucho

Implement bounds checks for ImageLoad (#1889) @JCapucho

Fix feature search in expressions (#1887) @JCapucho

Emit globals of any type (#1823) @jimblandy

Add support for boolean vector ~, | and & ops (#1820) @teoxoy

Fix array function arguments (#1814) @teoxoy

Write constant sized array type for uniform (#1768) @hatoo

Texture function fixes (#1742) @JCapucho

Push constants use anonymous uniforms (#1683) @JCapucho

Add support for push constant emulation (#1672) @JCapucho

Skip unsized types if unused (#1649) @kvark

Write struct and array initializers (#1644) @JCapucho

v0.8.5 (2022-01-25)

MSL-OUT

Make VS-output positions invariant on even more systems (#1697) @cwfitzgerald

Improve support for point primitives (#1696) @kvark

v0.8.4 (2022-01-24)

MSL-OUT

Make VS-output positions invariant if possible (#1687) @kvark

GLSL-OUT

Fix floatBitsToUint spelling (#1688) @cwfitzgerald

Call proper memory barrier functions (#1680) @francesco-cattoglio

v0.8.3 (2022-01-20)

Don't pin indexmap version (#1666) @a1phyr

MSL-OUT

Fix support for point primitives (#1674) @kvark

GLSL-OUT

Fix sampler association (#1671) @JCapucho

v0.8.2 (2022-01-11)

VALIDATOR

Check structure resource types (#1639) @kvark

WGSL-IN

Improve type mismatch errors (#1658) @Gordon-F

SPV-IN

Implement more sign agnostic operations (#1651, #1650) @JCapucho

SPV-OUT

Fix modulo operator (use OpFRem instead of OpFMod) (#1653) @JCapucho

MSL-OUT

Fix texture1d accesses (#1647) @jimblandy

Fix data packing functions (#1637) @phoekz

v0.8.1 (2021-12-29)

API

Make WithSpan cloneable (#1620) @jakobhellermann

MSL-OUT

Fix packed vec access (#1634) @kvark

Fix packed float support (#1630) @kvark

HLSL-OUT

Support arrays of matrices (#1629) @kvark

Use mad instead of fma function (#1580) @parasyte

GLSL-OUT

Fix conflicting names for globals (#1616) @Gordon-F

Fix fma function (#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