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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

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 gfx-rs/naga#2391

SPV-IN

  • Backport #2290 (Convert conditional backedges to break if) by @eddyb in gfx-rs/naga#2387

v0.10 (2022-10-05)

API

DOCS

  • Document arithmetic binary operation type rules. by @jimblandy in gfx-rs/naga#2051

VALIDATOR

  • Add emit_to_{stderr,string} helpers to validation error by @nolanderc in gfx-rs/naga#2012
  • Check regular functions don't have bindings by @JCapucho in gfx-rs/naga#2050

WGSL-IN

GLSL-IN

SPV-OUT

  • Don't decorate varyings with interpolation modes at pipeline start/end by @nical in gfx-rs/naga#2038
  • Decorate integer builtins as Flat in the spirv writer by @nical in gfx-rs/naga#2035
  • Properly combine the fixes for #2035 and #2038. by @jimblandy in gfx-rs/naga#2041
  • Don't emit no-op OpBitCast instructions. by @jimblandy in gfx-rs/naga#2043

HLSL-OUT

DOT-OUT

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 (relavant 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 attribtues 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 falltrough 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 clonable (#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