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* Use glslang public API (#8369)Jeremy Hayes2025-10-01
| | | | | Stop including private header (see #8333). Co-authored-by: Yong He <yonghe@outlook.com>
* Rewriting the lower-buffer-element-type pass to avoid unnecessary ↵Yong He2025-09-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | packing/unpacking. (#8526) Part of the effort to improve the performance of generated SPIRV code. The existing lower-buffer-element-type pass works by loading the entire buffer element content from memory, and translate it to logical type stored in a local variable at the earliest reference of a buffer handle. This means that is can generate inefficient code that reads more than necessary. Consider this example: ``` struct BigStruct { bool values[1024]; } ConstantBuffer<BigStruct> cb; void test(BigStruct v) { if (v.values[0]) { printf("ok"); } } [numthreads(1,1,1)] void computeMain() { test(cb); } ``` In IR, the `computeMain` function before lower-buffer-element-type pass is something like following: ``` func test: %v = param : BigStruct %barr = fieldExtract(%v, "values") %element = elementExtract(%barr, 0) ... // uses %element func computeMain: %v = load(cb) call %test %v ``` The existing lower-buffer-element-type pass will rewrite the bool array in `BigStruct` into `int` array so it is legal in SPIRV. However, it does so by inserting the translation on the first `load` of the constant buffer: ``` struct BigStruct_std430 { int values[1024]; } var cb : ConstantBuffer<BigStruct_std430>; func computeMain: %tmpVar : var<BigStruct> call %unpackStorage(%tmpVar, cb) %v : BigStruct = load %tmpVar call %test %v ``` This means that the entire array will be loaded and translated to int, before calling `test`, which only uses one element. It turns out that the downstream compiler isn't always able to optimize out this inefficient translation/copy. This PR completely rewrites the way buffer-element-type lowering is handled to avoid producing this inefficient code. It works in two parts: first we turn on the `transformParamsToConstRef` pass for SPIRV target as well, so we will translate the `test` function to take the `v` parameter as `constref`. The second part is a redesigned buffer-element-type pass that defers the storage-type to logical-type translation until a value is actually used by a `load` instruction. In this example, after `transformParamsToConstRef`, the IR is: ``` func test: %v = param : ConstRef<BigStruct> %barr = fieldAddr(%v, "values") %elementPtr = elementAddr(%barr, 0) %element = load(%elementPtr) ... // uses %element func computeMain: call %test %cb ``` The new `buffer-element-type-lowering` pass will take this IR, and insert translation at latest possible time across the entire call graph, and translate the IR into: ``` func test: %v = param : ConstRef<BigStruct_std430> %barr = fieldAddr(%v, "values") %elementPtr : ptr<int> = elementAddr(%barr, 0) %element_int = load(%elementPtr) %element = cast(%element_int) : %bool ... // uses %element func computeMain: call %test %cb ``` In this new IR, there is no longer a load and conversion of the entire array. See new comment in `slang-ir-lower-buffer-element-type.cpp` for more details of how the pass works. This PR also address many other issues surfaced by turning on `transformParamsToConstRef` pass on SPIRV backend. --------- Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
* export fewer things from module targets (#8089)Ellie Hermaszewska2025-08-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Closes https://github.com/shader-slang/slang/issues/7722 without adding SONAME ``` e@light-hope in ~/work/slang on HEAD (68b0125) [nix-shell] [direnv] $ nm -DC --defined-only build/Debug/lib/libslang-llvm.so 0000000001a4b637 T createLLVMDownstreamCompiler_V4 0000000001a427ed T createLLVMFileCheck_V1 0000000001a4b91e W std::type_info::operator==(std::type_info const&) const 0000000001a4bb07 W std::_Sp_make_shared_tag::_S_ti() 0000000001059165 u std::ranges::_Cpo::iter_move 0000000005f92ac0 V typeinfo for std::_Sp_make_shared_tag 0000000005f92938 V vtable for std::_Sp_counted_base<(__gnu_cxx::_Lock_policy)2> e@light-hope in ~/work/slang on HEAD (68b0125) [nix-shell] [direnv] $ nm -DC --defined-only build/Debug/lib/libslang-glslang.so 00000000004701a2 T glslang_compile 000000000047012b T glslang_compile_1_1 000000000046ffd9 T glslang_compile_1_2 000000000046db75 T glslang_disassembleSPIRV 000000000046da42 T glslang_disassembleSPIRVWithResult 000000000047028b T glslang_linkSPIRV 000000000046d8fa T glslang_validateSPIRV e@light-hope in ~/work/slang on HEAD (68b0125) [nix-shell] [direnv] $ nm -DC --defined-only build/Debug/lib/libslang-glsl-module.so 0000000000135bf9 T slang_getEmbeddedModule ``` I think that the exports from libslang-llvm are unavoidable I believe, however these are weak exports so should exhibit the same problem. @NBickford-NV does this look good for you?
* Fix spurious vk::binding warnings when attribute is present (#7581)Copilot2025-07-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Initial plan * Fix spurious vk::binding warnings when attribute is present - Modified _maybeDiagnoseMissingVulkanLayoutModifier to check for GLSLBindingAttribute before warning - Changed function to return bool indicating if warning was actually issued - Updated call sites to properly track warning state to reduce duplicates - Tested fix resolves the issue while preserving correct warnings when needed Co-authored-by: csyonghe <2652293+csyonghe@users.noreply.github.com> * Add test case for vk::binding spurious warning fix Co-authored-by: csyonghe <2652293+csyonghe@users.noreply.github.com> * Update test to use filecheck format as requested Co-authored-by: csyonghe <2652293+csyonghe@users.noreply.github.com> * Remove full file path from CHECK directives as requested Co-authored-by: csyonghe <2652293+csyonghe@users.noreply.github.com> * Fix code formatting with clang-format Co-authored-by: csyonghe <2652293+csyonghe@users.noreply.github.com> * Fix behavioral regression in vk-bindings test caused by warning flag logic Co-authored-by: csyonghe <2652293+csyonghe@users.noreply.github.com> --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: csyonghe <2652293+csyonghe@users.noreply.github.com> Co-authored-by: Yong He <yonghe@outlook.com>
* Fix build on GCC 15 (#6971)Julius Ikkala2025-05-02
| | | | | | | | | * Fix build on GCC 15 * format code --------- Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
* Update spirv-tools to for SDK v2025.2 (#6893)Gangzheng Tong2025-04-25
| | | | | | | | | | | | | | | | | | | | * Update spirv-tools to for SDK v2025.2 Fixes: #6850 * bump spirv version to 1.4 for op linkage * skip-spirv-validation for coop mat * add skip-spirv-validation option to slang session desc * use SPV_ENV_UNIVERSAL_1_6 for spirv-tool env target Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com> --------- Co-authored-by: slangbot <ellieh+slangbot@nvidia.com> Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
* IR: Add SPIR-V disassembly for embedded downstream IR dumps (#6529)Mukund Keshava2025-03-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * IR: Add SPIR-V disassembly for embedded downstream IR dumps When dumping IR that contains embedded downstream SPIR-V code (via EmbeddedDownstreamIR instructions), display the disassembled SPIR-V instead of just showing "<binary blob>". This CL also does: - Adds a new interface for disassembly and get result. - Modify export-library-generics.slang test test to check for the disassembled SPIR-V Fixes #6513 * Add module-dual-target-verify test Fixes #6517 Adds a new test to verify that dxil and spirv targets are stored separately in the precompiled blob. * Fix review comments from cheneym2 * format code --------- Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
* UseHighestVersion when calling spirv-link (#6559)cheneym22025-03-10
| | | | | | | | | | Precompiled SPIR-V bits can independently resolve to different versions of SPIR-V. To avoid a linker error about mismatched versions, use a linker feature to automatically use the highest version listed in the modules. Fixes #6548
* Support SPIR-V deferred linking option (#6500)cheneym22025-03-05
| | | | | | | | | | | | | | | | | | | | | | | The new option "SkipDownstreamLinking" will defer final downstream IR linking to the user application. This option only has an effect if there are modules that were precompiled to the target IR using precompileForTarget(). Until now, the default behavior for SPIR-V was to use deferred linking, and the default behavior for DXIL was to use immediate/internal linking in Slang. This change only affects the SPIR-V behavior such that both deferred and non-deferred linking is supported based on the new option. To support the non-deferred option, Slang will internally call into SPIRV-Tools-link to reconstitute a complete SPIR-V shader program when necessary (due to modules having been precompiled to target IR). Otherwise, if SkipDownstreamLinking is enabled, the shader returned by e.g. getTargetCode() or getEntryPointCode() may have import linkage to the SPIR-V embedded in the constituent modules. Closes #4994 Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
* Fix precompiledTargetModule tests (#6455)cheneym22025-02-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Fix precompiledTargetModule tests Add SPIRV-Tool linker support to gfx unit tests and use the linker in precompileModule tests that use precompiled modules to reconstitute SPIRV shaders that were modularly compiled. Fix a Slang reference count bug in the precompile service. * Use sm_6_6 New DXC requires higher version for linkability. * Rename helper function, pass by reference * Link through slang-glslang * Add missing files * Fix metal * format code --------- Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com> Co-authored-by: Yong He <yonghe@outlook.com>
* Enable friendly-name option for SPIRV dump and validation (#6465)Jay Kwak2025-02-26
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* Use disassemble API from SPIRV-Tools (#6001)Jay Kwak2025-01-07
| | | | | | | | | | | | | | | | | | | | | | | | | | * Use disassemble API from SPIRV-Tools This commit uses C API version of SPIRV disassemble function rather than calling spirv-dis.exe. This allows us to use a correct version of SPIRV disassble function that Slangc.exe is using. The implementation is mostly copied from external/spirv-tools/tools/dis/dis.cpp, which is a source file for building spirv-dis.exe. This commit also includes a fix for a bug in RPC communication to `test-server`. When an RPC connection to `test-server.exe` is reused and the second test abruptly fails due to a compile error or SPIRV validation error, the output from the first test run was incorrectly reused as the output for the second test. This commit resets the RPC result before waiting for the response so that even when the RPC connection is erratically disconnected, the result from the previous run will not be reused incorrectly. Some of the tests appear to be relying on this type of behavior. By using an option, `-skip-spirv-validation`, the RPC connection will continue without an interruption.
* Bump spirv-header/tools/glslang (#5834)Ellie Hermaszewska2024-12-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Back out "Update SPIRV submodules (#5815)" This backs out commit e50aac13e2c161d672b137a62f6d66820d0f9ff1. * Use upstream spirv-tools * Fix bump-glslang.sh for newer versions of spirv-tools * Use upstream glslang * Add --do-fetch option to bump glslang * Bump glslang and friends Supersedes https://github.com/shader-slang/slang/pull/5815 * Regenerate glslang and spirv-tools outputs * Fixes to slang-glslang * Correct spirv intrinsic for OpImageSampleFootprintNV Note that this currently fails validation with the following error: ``` error: line 145: Result <id> from OpSampledImage instruction must not appear as operand for OpImageSampleFootprintNV, since it is not specified as taking an OpTypeSampledImage. Found result <id> '55[%sampledImage]' as an operand of <id> '56[%resultVal]'. %sampledImage = OpSampledImage %54 %51 %40 ``` This seems to be in error as the spec for *SPV_NV_shader_image_footprint* states that "Sampled Image must be an object whose type is OpTypeSampledImage" https://refined-github-html-preview.kidonng.workers.dev/KhronosGroup/SPIRV-Registry/raw/refs/heads/main/extensions/NV/SPV_NV_shader_image_footprint.html glslang also seems to fail with the same validation error * Fix spv storage class test
* Remove duplicate call to install() for libslang (#5767)Ellie Hermaszewska2024-12-05
| | | | | Closes https://github.com/shader-slang/slang/issues/5764 Also mention other installed targets in cmake config
* Install PDB files when available (#5665)Ellie Hermaszewska2024-12-03
| | | | | | | | | | | | | | * Install PDB files when available Closes https://github.com/shader-slang/slang/issues/5562 * format code * format code --------- Co-authored-by: Jay Kwak <82421531+jkwak-work@users.noreply.github.com> Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
* Move switch statement bodies to their own lines (#5493)Ellie Hermaszewska2024-11-05
| | | | | | | | | * Move switch statement bodies to their own lines * format --------- Co-authored-by: Yong He <yonghe@outlook.com>
* formatEllie Hermaszewska2024-10-29
| | | | | | | * format * Minor test fixes * enable checking cpp format in ci
* preparation for clang format (#5422)Ellie Hermaszewska2024-10-29
| | | | | | | | | | | | | | | | | | | | | | | * Clang-format excludes * Add .clang-format * Don't clang-format in external * Missing includes and forward declarations * Replace wonky include-once macro name * neaten include naming * Add clang-format to formatting script * Add xargs and diff to required binaries * add clang-format to ci formatting check * Add max version check to formatting script * temporarily disable checking formatting for cpp files
* format cmake files (#5406)Ellie Hermaszewska2024-10-29
| | | | | | | | | * format cmake files * format code --------- Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
* declutter top level CMakeLists.txt (#5391)Ellie Hermaszewska2024-10-24
| | | | | | | | | | | | | | | | | | | | | * Split examples cmake desc * declutter top level CMakeLists.txt * fail if building tests without gfx * Move llvm fetching to another cmake file * Further split CMakeLists.txt * Neaten llvm fetching * Remove last premake remnant * correct cross builds * Neaten * Neaten project organization in vs
* Remove includes of glslang private headers (#5059)arcady-lunarg2024-09-15
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* Print SPIRV validation error message (#4697)Jay Kwak2024-07-23
| | | | | | | Closes #4692 This is a quick fix for the issue that SPIR-V validation error message is not printed. A more proper way is to return the error messages to the application and let the application handle it.
* Use slang-glslang.dll for spirv-validation (#4642)Jay Kwak2024-07-17
| | | | | | | | | * Use slang-glslang.dll for spirv-validation This change replaces the use of "spirv-val.exe" with an API call to "spvtools::SpirvTools::Validate()". Closes #4610
* Move the file public header files to `include` dir (#4636)kaizhangNV2024-07-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Move the file public header files to `include` dir Close the issue (#4635). Move the following headers files to a `include` dir located at root dir of slang repo: slang-com-helper.h -> include/slang-com-helper.h slang-com-ptr.h -> include/slang-com-ptr.h slang-gfx.h -> include/slang-gfx.h slang.h -> include/slang.h Change cmake/SlangTarget.cmake to add include path to every target, and change the source file to use "#include <slang.h>" to include the public headers. The source code update is by the script like follow: ``` fileNames_slang=$(grep -r "\".*slang\.h\"" source/ -l) for fileName in "${fileNames_slang[@]}" do echo "$fileName" sed -i "s/\".*slang\.h\"/\"slang\.h\"/" $fileName done ``` * Fix the test issues * Fix cpu test issues by adding include seach path * Update cmake to not add include path for every target Also change "#include <slang.h>" to "include "slang.h" " to make the coding style consistent with other slang code. * Change public include to private include for unit-test and slang-glslang
* Fix the build when you try to build slang-glslang (#3599)Jay Kwak2024-02-17
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* Update prebuilt glslang binaries. (#3267)Yong He2023-10-09
| | | | | | | | | * Update prebuilt glslang binaries. * Update spirv-disassembling logic in slang-glslang. --------- Co-authored-by: Yong He <yhe@nvidia.com>
* Run curated spirv-opt passes through slang-glslang. (#3266)Yong He2023-10-09
| | | | | | | | | | | | | * Run curated spirv-opt passes through slang-glslang. * Cleanup. * Replace spirv-dis downstream compiler with glslang. * delete slang-spirv-opt.cpp. --------- Co-authored-by: Yong He <yhe@nvidia.com>
* Support per field matrix layout (#3101)Yong He2023-08-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | * Support per field matrix layout * Fix warnings. * Fix. * Fix tests. * Fix spiv gen. * Fix. * More test fixes. * Fix. * Run only GPU tests on self-hosted servers. * Remove -use-glsl-matrix-layout-modifier. * Fix. --------- Co-authored-by: Yong He <yhe@nvidia.com>
* Make sure glsl source in spirv is included when compiling with -g3 (#3099)Yong He2023-08-11
| | | | | | | | | | | * Make sure glsl source in spirv is included when compiling with -g3. * Exclude vulkan tests on github linux CI. * Fix. --------- Co-authored-by: Yong He <yhe@nvidia.com>
* Fix -fvk-use-entrypoint-name. (#3066)Yong He2023-08-07
| | | | | | | | | * Fix -fvk-use-entrypoint-name. * Remove irrelevant changes. --------- Co-authored-by: Yong He <yhe@nvidia.com>
* Add missing header in slang-glslang (#3055)Ellie Hermaszewska2023-08-07
| | | | | Required for memcpy (not sure why this has started being important, but it is the correct thing to do) Co-authored-by: Yong He <yonghe@outlook.com>
* Add option to use original entrypoint in spirv output. (#3047)Yong He2023-08-04
| | | | | | | | | * Add option to use original entrypoint in spirv output. * Fix. --------- Co-authored-by: Yong He <yhe@nvidia.com>
* Include NonSemanticDebugInfo when calling glslang (#3030)Yong He2023-07-27
| | | Co-authored-by: Yong He <yhe@nvidia.com>
* Some small fixes with Windows/DX usage (#2797)Ellie Hermaszewska2023-04-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Correct case of windows.h includes * Use Slang::SharedLibrary to load directx dlls * s/max/std::max/ * Factor common OS code in calcHasApi * Add DXIL test for compute/simple * s/false/FALSE for calls to WinAPI functions * Factor common OS code in gfxGetAdapters * 2 missing headers d3d12sdklayers for ID3DDebug climits for UINT_MAX * Define out unused function on Linux * Only try to load Vulkan and CUDA on Windows or Linux * simplify D3DUtil::getDxgiModule * Remove WIN32_LEAN_AND_MEAN &co from source files Add a global define * Set WIN32_LEAN_AND_MEAN &friends in headers Restore previous state also * regenerate vs projects
* Add mesh and amplification shaders to slang-glslang (#2516)Ellie Hermaszewska2022-11-15
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* glslang: 11.10.0-16-g42398c93 -> 11.12.0-32-gf74f37c5 (#2507)Ellie Hermaszewska2022-11-14
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* Upgrade to glslang 11.10.0+ (#2306)jsmall-nvidia2022-07-01
| | | | | | | * #include an absolute path didn't work - because paths were taken to always be relative. * Upgrade to glslang 11.10.0 Co-authored-by: Yong He <yonghe@outlook.com>
* Add SPIR-V debug information via GLSLANG (#2142)jsmall-nvidia2022-02-23
| | | | | | | | | * #include an absolute path didn't work - because paths were taken to always be relative. * Switch on generateDebugInfo on glslang i s any debug level is set. * Take copy of SpvOptions. Co-authored-by: Theresa Foley <10618364+tangent-vector@users.noreply.github.com>
* SPIR-V fixes (#1992)jsmall-nvidia2021-10-27
| | | | | | | | | | | | | | | | | | * #include an absolute path didn't work - because paths were taken to always be relative. * Use updated slang-binaries that have SPIR-V diagnostics improvements. * Re-enable nv-ray-tracing-motion-blur, because with SPIR-V diagnostic fixes in glslang - there shouldn't be spurious errors from glslang compilation. * If optimization fails use the SPIR-V we have. * Update SPIR-V headers and generated files. Updated documentation. * Update spirv-headers/tools. Revert slang-binaries. * Remove hack around spir-v optimization as no longer needed. disable nv-ray-tracing-motion-blur.slang
* SPIR-V optimization diagnostics (#1989)jsmall-nvidia2021-10-26
| | | | | | | | | | | | | | | | | | | | | | | * #include an absolute path didn't work - because paths were taken to always be relative. * WIP fixing glslang error reporting. * SPIR-V opt diagnostics. * Small formatting tidy up. * Disable nv-ray-tracing-motion-blur.slang for now, until merged and can rebuild slang-glslang. * Formatting improvements. * Some small improvements around optimizing in glslang. * Make clear if calling optimize with 'non' in glslang no work is done (such as a pointless copy). * Small formatting change - mainly to kick off a build. * Upgrade slang-binaries to fix git fetch issue on TC. * Small formatting edits. Kick build.
* Improving glslang -O1 passes (#1926)jsmall-nvidia2021-09-01
| | | | | | | * #include an absolute path didn't work - because paths were taken to always be relative. * Improve passes used for -O1 option with glslang. * Set sourceManager when serializing container.
* Improvements around glslang optimization (#1916)jsmall-nvidia2021-07-29
| | | | | | | | | | | * #include an absolute path didn't work - because paths were taken to always be relative. * Improvements to how glslang optimizations are handled. Increasing the amount of ids to allow for optimizing more complex shaders, and compacting to try and keep ids within range for usage. * Add other optimizations from current glslang. * Improved -O1/default GLSLANG passes improves output SPIR-V size (Can be more that 1/3 of the size), for a modest increase in compilation time. * Improve comments.
* Update glslang to 11.1.0 (#1662)Tim Foley2021-01-20
| | | | | | | | | * Update glslang to 11.1.0 This change pulls new versions of glslang, spirv-headers, and spirv-tools as submodules, and makes the necessary changes to other files in the repository to get it all building (at least on Windows). This change also enables building of glslang from source by default, so that we can easily generate new binaries for inclusion in the `slang-binaries` repository. * fixup: missing file
* Projects in 'build' and Slang API separation (#1624)jsmall-nvidia2020-12-04
| | | | | | | | | | | | | | | | | | | | | * #include an absolute path didn't work - because paths were taken to always be relative. * Move reflection to reflection-api. * Slight reorg to pull out potentially Slang internal functions from the reflection API impls. * Remove visual studio projects * Fix for slang-binaries copy. * Add the visual studio projects in build/visual-studio * Remove miniz project. * Differentiate the linePath from the filePath. * Improve comment in premake5.lua + to kick of CI. * Kick CI.
* Removed use of pthreads in glslang (#1517)jsmall-nvidia2020-08-27
| | | | | | | * Try removing pthreads from glslang. * Update slang-binaries to use glslang that doesn't use pthreads. Co-authored-by: Tim Foley <tfoleyNV@users.noreply.github.com>
* Bugfix: WaveActiveCountBits on glsl output. (#1488)jsmall-nvidia2020-08-11
| | | | | | | | | | * Fix WaveActiveCountBits on glsl output. * Fix warning `could not be inlined because the return instruction is not at the end of the function. This could be fixed by running merge-return before inlining.` from glslang - because we weren't including the CreateMergeReturnPasss on default optimization, and it's assumed in InlineExhaustivePass. * Keep WaveActiveCountBits use the default WaveMask impl. * Fix WaveCountBits calculation. Use WaveActiveBallot instead of the _WaveActiveBallot.
* Glslang texel offset bug fix (#1485)jsmall-nvidia2020-08-10
| | | | | * Fix the minProgramTexelOffset should be -. * Improve comments.
* Upgrade to Glslang 11.0.0 (#1466)jsmall-nvidia2020-07-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Fix premake5.lua so it uses the new path needed for OpenCLDebugInfo100.h * Keep including the includes directory. * Added the spirv-tools-generated files. * We don't need to include the spirv/unified1 path because the files needed are actually in the spirv-tools-generated folder. * Put the build_info.h glslang generated files in external/glslang-generated. Alter premake5.lua to pick up that header. * First pass at documenting how to build glslang and spirv-tools. * Improved glsl/spir-v tools README.md * Added revision.h * Change how gResources is calculated. Update about revision.h * Update docs a little. * Split out spirv-tools into a separate project for building glslang. This was not necessary on linux, but *is* necessary on windows, because there is a file disassemble.cpp in spirv-tools and in glslang, and this leads to VS choosing only one. With the separate library, the problem is resolved. * Fix direct-spirv-emit output. * Update to latest version of spirv headers and spirv-tools. * Upgrade submodule version of glslang in external. * Add fPIC to build options of slang-spirv-tools * Upgrade slang-binaries to have new glslang. * Fix issues with Windows slang-glslang binaries, via update of slang-binaries used. * Small improvements to glslang building process documentation. Co-authored-by: Tim Foley <tfoleyNV@users.noreply.github.com>
* Safer binary compatibilty betwee 1.0 and 1.1 versions, without using struct ↵jsmall-nvidia2020-03-05
| | | | embedding. (#1257)
* Feature/glslang spirv version (#1256)jsmall-nvidia2020-03-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * WIP add support for __spirv_version . * Added IRRequireSPIRVVersionDecoration * SPIR-V version passed to glslang. Enable VK wave tests. Split ExtensionTracker out, so can be cast and used externally to emit. Added SourceResult. * Fix warning on Clang. * Missing hlsl.meta.h * Refactor communication/parsing of __spirv_version with glslang. * Fix some debug typos. Be more precise in handling of substring handling. * Make glslang forwards and backwards binary compatible. * Small comment improvements. * Added slang-spirv-target-info.h/cpp * Fix for major/minor on gcc. * Another fix for gcc/clang. * VS projects include slang-spirv-target-info.h/cpp * Removed SPIRVTargetInfo Added SemanticVersion. Don't bother with passing a target to glslang. Should be separate from 'version'. * Renamed slang-emit-glsl-extension-tracker.cpp/.h -> slang-glsl-extension-tracker.cpp/.h Fixed some VS project issues. * Fix a comment. * Added slang-semantic-version.cpp/.h * Added slang-glsl-extension-tracker.cpp/.h * Added split that can check for input has all been parsed. * Fix problem on x86 win build.
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