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* Add reflection API for functions.
This change adds `SlangFunctionReflection` type in the reflection API that provides methods for querying function result type, parameters and user-defined attributes.
`ProgramLayout::findFunctionByName` can now find a function with the given name and returns a `FunctionReflection`.
`IEntryPoint` now has a `getFunctionReflection` method that returns an `FunctionReflection` for the entrypoint.
* More modifiers; make reflection API consistent.
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set (#4593)
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* Ray tracing validation in Vulkan
* Clean up RT validation code
* Remove redundant api additions
* Remove redundant debug utils callback
* Ray tracing validation uses extended descriptor for initialization
---------
Co-authored-by: Chris Cummings <chriscummings@nvidia.com>
Co-authored-by: Jay Kwak <82421531+jkwak-work@users.noreply.github.com>
Co-authored-by: skallweitNV <64953474+skallweitNV@users.noreply.github.com>
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* capability upgrade warning/error
adjusted implementation + tests to support a warning/error if capabilities are implicitly upgraded and test accordingly.
* add glsl profile caps
* add GLSL and HLSL capabilities to the associated capability
* syntax error in capdef
* only error if user explicitly enables capabilities
1. changed testing infrastructure to not set a `profile` explicitly,
2. Added tests to be sure this works as intended with user API and with slangc command line
* Change capability atom definitions and how Slang manages them to fix errors
1. most `glsl_spirv` version atoms have been removed from `.capdef`, instead we will translate `spirv` version atoms into `glsl_spirv` since there is no point in writing the same code twice in `.capdef` files to define `spirv` versions.
2. add spirv version, and hlsl sm version (and equivlent) capability dependencies
3. removed some stage requirments which were set on objects, keep the wrapper capabilities. I am keeping the wrapper capabilities since I am unaware on if there are stage limitations (spec says code in practice does not work).
* check internal version instead of version profile (_spirv_1_5 vs. spirv_1_5)
* remove unused OpCapability. adjust SPIRV version'ing again for glsl_spirv
* apply workaround for glslang bug with rayquery usage
* ensure capabilities targetted by a profile and added together by a user are valid
* remove additions to `spirv_1_*` wrapper
* spirv_* -> glsl_spirv fix
* fix bug where incompatable profiles would cause invalid target caps
* try to avoid joining invalid capabilities
* fix the warning/error & printing
* run through tests to fix capability system and test mistakes
many mistakes were mesh shaders doing `-profile glsl_450+spirv_1_4`. This is not allowed for a few reasons
1. the test tooling does not handle arguments the same as `slangc`
2. glsl_450 core profile does not support mesh shaders, nor does spirv_1_4. sm_6_5 does work in this senario
* set some sm_4_1 intrinsics to sm_4_0
* replace `GLSL_` defs with `glsl_`
* swap the unsupported render-test syntax for working syntax
* set d3d11/d3d12 profile defaults
this is required since sm version changes compiled code & behavior
* adjusted nvapi capabilities with atomics + d3d11 set to use sm_5_0 as per default
* cleanup
* address review
* incorrect styling
* change `bitscanForward` to work as intended on 32 bit targets
---------
Co-authored-by: Yong He <yonghe@outlook.com>
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* fix binding resources for render pass
* compute vertex buffer binding offset based on root layout
* fix result code
* cleanup
* implement readTextureResource
* more getNativeHandle
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Co-authored-by: Yong He <yonghe@outlook.com>
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extension structure in vk-api.h (#4335)
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* Address glslang ordering requirments for 'derivative_group_*NV'
fixes: #4305
The solution is to emit some `layout`s after a module source is emitted.
Added to slangs gfx backend code to enable the compute shader derivative extension for testing purposes.
* address review
* enable removed test
---------
Co-authored-by: Yong He <yonghe@outlook.com>
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* fix double semicolons
* fix another double semicolon
* wait for init data upload
* remove obsolete setData
* refactor swapchain to work on virtual back buffers
* buffer/texture use breakable device reference
* refactor input layout
* create render command encoder
* add todo
* refactor framebuffer layout
* refactor framebuffer
* refactor shader program
* translatePrimitiveType
* add more translate functions
* refactor framebuffer
* refactor render pass
* implement graphics pipeline state
* add depth stencil state
* initial render command encoder support
* comment
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* fixes: #4163
Precompute UIntSet from individual capabilities inside generator (removes intermediate form of capabilities).
note:
1. I still expand capabilities which are missing `target` and `stage` atoms.
* fix compile warning<->error with clang
* address review
preallocate the pregenerated UIntSet's
* disable incorrect warning of 'unreachable code'
The warning is wrong since, when `out` has 0 elements (does not start `for` loop), the `return` is reached.
* fix clang warnings
1. use unsigned long for the buffer serializer
2. braces around scalar init
* address review
added work around to avoid warning with `for(...) return; return;` pattern
`else if constexpr` addition instead of cascading blocks
* push fix for use of `_BitScanForward`
* cleanup
* move around assert for proper checking
* syntax error
* use SLANG_ASSERT instead of assert
* test for why SLANG_ASSERT caused CI to fail with linux-arm builds
* test if `SLANG_ASSERT` really is causing a build issue for linux-arm
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fixes: #4293
Currently the code does:
```
void inclusiveJoinConjunction(CapabilitySharedContext& context, CapabilityConjunction& c, List<CapabilityConjunction>& toAddAfter)
{
if (c.isImpossible())
return;
for (auto& conjunction : conjunctions)
{
if (c.implies(conjunction))
return;
}
```
This is incorrect because it means that "if the set we are going to add is a super set of an element, don't add it". This does not make sense since inclusive join is meant to be 'additive' of super sets.
Correct behavior code:
```
void inclusiveJoinConjunction(CapabilitySharedContext& context, CapabilityConjunction& c, List<CapabilityConjunction>& toAddAfter)
{
if (c.isImpossible())
return;
for (auto& conjunction : conjunctions)
{
if (conjunction.implies(c))
return;
}
```
This is correct behavior because it means that: "if the set we are going to add is a sub set of an element, ignore it". This makes sense since inclusive join can then add super sets in-place of subsets
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* Fix build warnings and treat warnings as error
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* implement sampler state
* implement input layout
* implement fence object
* buffer implementation
* texture implementation
* cleanup
* add adapter enumeration
* supported formats and allocation info
* work on device and implement readBufferResource
* skeleton for transient resource heap
* initial work on command queue / buffers / encoders
* fix uploading initial buffer data
* implement buffer resource view
* string utility functions
* wip query pool implementation
* cleanup
* swapchain
* wip
* remove plain buffer view
* extend gfxGetDeviceTypeName with metal
* basic support for resource binding with compute shaders
* needed for metal bindings
* replace assert(0) with SLANG_UNIMPLEMENTED_X
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When slang-test.exe ran with a file name doesn't exactly match
character-by-character, those tests don't run.
This commit alters the file name given from the command-line and it will
behave in a more expected way.
- "./" are removed.
- "../" gets removed along with its parent directory name.
- Back-slash characters will be converted to slash on Windows.
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Co-authored-by: Jay Kwak <82421531+jkwak-work@users.noreply.github.com>
Co-authored-by: Yong He <yonghe@outlook.com>
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* add metal-cpp submodule
* add metal-cpp cmake target
* gfx metal backend skeleton
* add premake support
* add foundation framework
* add metal-cpp include to premake
* update vs project file
---------
Co-authored-by: Simon Kallweit <skallweit@nvidia.com>
Co-authored-by: Jay Kwak <82421531+jkwak-work@users.noreply.github.com>
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* fix all Clang-14 warnings
* remove a clang-14 warning fix because it is a MSVC warning...
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* Capabilities System, Backing Logic Overhaul
Fixes #4015
Problems to address:
1. Currently the capabilities system spends anywhere from 25-50% of compile time on the CapabilityVisitor. Most of this time is spent on join logic: 1. Finding abstract atoms 2. Comparing list1<->list2. This should and can be made significantly faster.
2. Error system does not produce errors with auxiliary information. This will require a partial redesign to provide more useful semantic information for debugging.
What was addressed:
1. Array backed `CapabilityConjunctionSet` was replaced in-favor for a `UIntSet` backed `CapabilityTargetSets`. The design is described below.
Design:
* `CapabilityTargetSets` is a `Dictionary<targetAtom, CapabilityTargetSet>`. This is not an array for 2 reasons: 1. Easy to figure out which target is missing between two `CapabilityTargetSets` 2. To statically allocate an array requires the preprocessor to manually annotate which Capability is a target and link that Capability to an index. This means a dictionary is required for lookup regardless of implementation.
* `CapabilityTargetSet` is an intermediate representation of all capabilities for a singular `target` atom (`glsl`, `hlsl`, `metal`, ...). This structure contains a dictionary to all stage specific capability sets for fast lookup of stage capabilities supported by a `CapabilitySet` for a `target` atom. This reduces number of sets searched.
* `CapabilityStageSet` is an intermediate representation of all capabilities for a singular `stage` atom (`vertex`, `fragment`, ...). This structure holds all disjoint capability sets for a `stage`. A disjoint set is rare, but may exist in some scenarios (as an example): `{glsl, EXT_GL_FOO}{glsl, _GLSL_130, _GLSL_150}`. This reduces the number of sets searched.
* `UIntSet` is the main reason for the redesign for better performance and memory usage. All set operations only require a few operations, making all set logic trivial and with minimal cost to run. All algorithms were modified to focus around `UIntSet` operations.
2. Errors
* Semantic information are now better linked to the calling function to provide a connection of function<->function_body for when saving semantic information for errors.
* Missing targets now print errors much like other error code by finding code which could be a cause of incompatibility.
What is missing:
1. Add non naive support for non-stage specific capabilities such as `{hlsl, _sm_5_0}`. Currently non stage specific targets emulate the behavior through assigning such capabilities to every stage: `{hlsl, _sm_5_0, vertex} {hlsl, _sm_5_0, fragment}...`. Removal of this behavior would remove redundant shader stage sets being made at construction time (~80% of new implementation runtime). This is an addition, not an overhaul.
2. Optionally: `UIntSet` should be modified to support SIMD operations for significantly faster operations. This is not required immediately since `UIntSet` is already not a performance constraint.
Notes:
* UIntSet had implementation bugs which were fixed in this PR.
* The old capabilities system had bugs which were fixed in this PR when transforming to the new implementation.
* fix .natvis debug view
* Small optimizations I found while working on the addition
the AST building pass looks like so now:
1% = ~capabilitySet
2% = capabilitySet()
1.5% capabilitySet::unionWith()
0.8% capabilitySet::join()
1.5% auxillary info for debugging
~0.5-1% extra visitor overhead
~5% total for the visitor
~6.5% for total runtime costs
* fix caps which were wrong but worked
* push minor syntax fix (still looking for why other tests fail)
* perf & bug fixes
1. did not properly remake isBetterForTarget for this->empty case with that as Invalid. This is best case in this senario.
2. Remade seralizer for stdlib generation. Faster (more direct) & cleaner code.
NOTE: did not address review comments
* fix glsl.meta caps error
* fixing findBest logic again & UIntSet wrapper
findBest was not checking for 'more specialized' targets & was element counter was flawed
* faster getElements algorithm + natvis for UIntSet + wrong warning
* type incompatability of bitscanForward implementations
* try to fix warnings again
* remove ptr for clang intrinsic
* add missing header
* ifdef to allow clang compile
* compiler hackery to fix up platform/type independent operations
* bracket
* fix MSVC error
* missing template
* change types out again
* changes to fix compiling
* adjustment to parameter for Clang/GCC
* added iterator to delay processing all atomSets of a CapabilitySet
* add a few missing consts's
* ensure we never have more than 1 disjointSet
Added a wrapper + assert + union functionality to all possible disjoint sets. This was done in favor of a removal of the LinkedList for 2 reasons:
1. We still need 0-1 set functionality.
2. Might as well keep the code, just disallow the problematic functionality.
* address review comments
non linked-list refactor review comments addressed; add doc comments + remove redundant code
* comments + remove isValid for bool operator
* push removal of linkedlist for capabilities
* add missing break
* address review comments
minor adjustments of syntax
* push a fix to the `CapabilitySet({shader, missing target})` code
* quality + error
1. add iterator to UIntSet
2. do not specialize target_switch if profile is derived from case (GLSL_150 is not compatable with GLSL_400)
* fix target_switch erroring + temporarily remove UIntSet::Interator
temporarily remove UIntSet::Interator. It will be added after, testing code on CI first so I can multi-task fixing the UIntSet Iterator
* fix the UIntSet iterator
* Revert "fix the UIntSet iterator" temporarily to pull from master
* add metal error as per texture.slang
(took a while I realize this was why things were breaking, likely should adjust errors to reflect this)
* Rework UIntSet to have a template for output type
This is done so it is reasonable to debug the iterator output and not just dealing with messy int's
Fix problems with the iterators implemented + invalid capabilities handling
* removed incorrect `__target_switch` capability
barycentric was being used with anticipation of `profile glsl450`, this does not expand into `GL_EXT_fragment_shader_barycentric`, this instead caused an error which is hidden during cross-compile.
* remove some uses of getElements
* remove undeclared_stage for now
* remove redundant code associated with `undeclared_stage`
* remove unused variable
* address review
specifically to note removed static in a thread dangerous scope. Now using a `const static` for read only (thread safe) which precompile steps generate
* move GLSL_150 capdef change to sm_4_1 (more accurate)
* address most review comments
did not address: https://github.com/shader-slang/slang/pull/4145#discussion_r1602256776
* revert incorrect code review suggestion
* push changes for all code review suggestions
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* refactor gfx buffer range to use byte range
* create buffer view with zero struct stride for ClearUnorderedAccessViewUint/Float
* create buffer descriptors on demand
* avoid copying gfx.dll
---------
Co-authored-by: Yong He <yonghe@outlook.com>
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* fix comment
* add caching of mutable root shader objects in vulkan
* Fix.
---------
Co-authored-by: Yong He <yonghe@outlook.com>
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* Add host shared library target.
* Attempt fix.
* Fix warnings.
* try fix.
* Fix test.
* Fix.
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The reflection test doesn't print the user attributes decorating for
the variables, only types. Therefore, add the print for user attributes
of variables.
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* Fix compile failures when using debug symbol.
* Various fixes.
* Fix intrinsic.
* Fix test.
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* SPIRV: Fix performance issue when handling large arrays.
* Add test for packing.
* Fix clang.
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* add variable pointers to render-test-vk and failing (but ignored with workarounds) test-case
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* Fix macos CI.
* Fix.
* Fix.
* Fix.
* Fix clang warnings.
* Fix more warnings.
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* Switch to direct-to-spirv backend as default.
* Fix slang-test.
* Fix.
* Fix.
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Co-authored-by: Yong He <yonghe@outlook.com>
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* Add metal downstream compiler + metallib target.
* Add more comments.
* Add missing override.
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Co-authored-by: Yong He <yonghe@outlook.com>
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attribute. (#3914)
* Allow COM based API to discover and check entrypoints without [shader] attribute.
* Undo changes.
* More comments.
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resolves #3587 for GLSL & SPIR-V targets #3631 (#3810)
* [early push of code since memory qualifiers may be made into a seperate branch & pr and I rather make it simple to split the implementation if required]
all type & functions impl. for GLSL image type
added all memory qualifiers & tests for direct read/write [GLSL syntax] (DID NOT test or implement parameter qualifiers, that is next commit)
* this inlcudes emit-glsl & emit-spirv for qualifier decorations
* this also includes error handling
* this includes parsing
* full implementation other than Rect; all errors and basic tests are done & working
what is left:
1. need to now add Rect type support (additional TextureImpl flag)
2. tests
3. testing infrastructure to support variety of types
* testing framework now works with images of all types and imageBuffers -- next steps are actual tests
* push code for mostly working image atomics; missing int64/uint64 tests and slightly broken feature
likley due to missing code from master which I pushed for regular atomics
* fix all remaining shader image atomic issues and tests to work with float & i64/u64 fully
will now clean up code and squash the commits (since they are quite all over the place)
* refactor code to work & look correct, fix all regressions
Turned off tests for texture format R64 due to the shader use limitation of currently being only for storage buffers on most hardware (test fail cause, this is not allowed)
Changed raygen.slang & nv-ray-tracing-motion-blur.slang since both cross-compiled with glslang, which does not respect layout(rgba8) for RWBuffer's, in this scenario making the type into a SPIR-V rgba32f, which is incorrect and a known problem, this causes different code to be outputted from Slang & HLSL+GLSL->Slang paths
Clean up all code and better explain the "why" for the gimageDim definition we use various strings of Slang code, the gist is:
1. Parameters are structured as per IMAGE_PARAM keyword in spec, and we respect this in order to match specification (to allow easy code iteration)
2. sample parameters are required for functions
3. types are inconsistently named
fixed regression of breaking l-value lowering when r-value should be lowered (lower-to-ir)
fix compiler warnings
remove unneeded lambdas
`expr->type.isLeftValue = isMutableGLSLBufferBlockVarExpr(baseExpr) && (expr->type.hasReadOnlyOnTarget == false);` is an adjustment made such that a buffer block is mutable only if the block is mutable and the base expression is mutable (to handle case of readonly buffer block, immutable)
* remove rectangle parameter
* use proper const syntax and struct naming
* adjust syntax
* adjust modifier capabilitites: HLSL+GLSL --> GLSL. Notice most specifically, if the parent is a global struct we can put a memory qualifier, this does not include, struct inside a struct, with a member variable with a memory qualifier (since then you could use the struct in invalid ways). Added test for struct inside struct with member variable with memory qualifier.
adjust syntax and remove code which will rot
* adjust formatting for consistency
* addressing review feedback
addressing review feedback:
change testing code to handle int and float/half correctly in all cases
adjust testing code syntax as requested
change vkdevice code to fit a different form as requested
* adjust code as per requested for review:
1. adjusted testing code logic to handle non 0-1 values appropriately, notice int8_t will likley be the range and set order of {[0,127],[-1,-128]}, this is intentional
2. syntax adjustments for correctness
* trying to fix falcor regressions
* add back removed code for regression testing
* test removing changes which may break falcor
* Revert "test removing changes which may break falcor"
This reverts commit 240da97f06c23e98a26ac23cf1d385995c67b251.
* disable R64 support in attempt to fix falcor tests
* Revert "disable R64 support in attempt to fix falcor tests"
This reverts commit 317cb632eb2f47e980fc4aeafe418f8060f4c473.
* disable major device changes (still trying to figure out falcor fails -- locally working different than CI)
* test removing d3d changes
* remove all format changes
* add back removed code for regression testing
* try something to get code to work with falcor
* address review
* Add way to handle constref/ref/encapsulated texture objects with memory qualifiers as a parameter.
Fixed an issue (and improved codegen) for when we have a store(dst,load(src)) pattern, where dst is supposed to be equal to src for when resolving globalParam's (no need for work-arounds anymore)
* move recent-fix/change to textureType loading into a proper optimization pass which now runs after SPIR-V legalization to catch odd SPIR-V emitting after legalizing types for SPIR-V
* Revert most recent optimization pass change, add work around getting a unmangled global parameter address through a intrinsic op instead of spir-v intrinsic (works same as `__imagePointer()`)
* remove unneeded changes
* remove unneeded `__constref` in glsl.meta
* move memory qualifier checks to visitInvoke of check-expr.cpp
move GetLegalizedSPIRVGlobalParamAddr resolving to spirv-legalization pass
move error for "if using non texture type with memory qualifer in param" earlier such that we error with this first. No point in telling user "you are not putting correct memory qualifiers" when memory qualifiers should not have been used.
* add memory qualifier folding modifier 'MemoryQualifierCollectionModifier' to reduce searching and processing (later will be adapted to whole system) as suggested/asked.
The utility is a method to track memory qualifiers without doing a expensive linked-list traversal (image's have 4 modifiers normally).
* properly pass multiple qualifiers from checkModifier down to the `modifier`s list
* addressing review comments:
* change implementation to properly handle restrict modifier
* add comments about implementation for clarity
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* Add wrapper type synthesis logic for constructors.
* Fix.
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extension(s); resolves #3587 for GLSL & SPIR-V targets (#3755)
The following commit implements atomic operations & types associated with OpenGL 4.6, GL_EXT_vulkan_glsl_relaxed, GLSL_EXT_shader_atomic_float, GLSL_EXT_shader_atomic_float2, for GLSL & SPIR-V targets.
Fully implements all functions, and built-in type's, resolves https://github.com/shader-slang/slang/issues/3560 for GLSL & SPRI-V targets.
[Atomic extensions for GLSL can be found here](https://github.com/KhronosGroup/GLSL/tree/main)
Notes of worth:
* atomic_uint is well defined in GLSL->OpenGL, although was removed in GLSL->VK unless a compiler extension is supported (GL_EXT_vulkan_glsl_relaxed). This support entails transforming all atomic_uint operations and references into a storage buffer. SPIR-V has AtomicCounter+AtomicStorage (atomic_uint parallel) but does not implement these capabilities for SPIR-V->VK in any scenario. Due to the case we transform atomic_uint ourselves (GLSL_Syntax->Slang_IR) to accommodate transforming atomic_uint into valid syntax.
* GLSL_EXT_shader_atomic_float2 (all float16_t & some float/double operations) support is minimal and worth watching out for if enabling the tests.
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* Fix `sessionDesc.defaultMatrixLayoutMode` being ineffective.
* Fix matrix layout in buffer pointer.
* Attempt to fix.
* Fix buffer element type lowering for buffer pointers.
* Add comment.
* Fix test.
* Fix member lookup in `Ref<T>`.
* Fix validation error.
* Enhance test.
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* return buffer creation errors in vulkan
* return pipeline creation errors in vulkan
---------
Co-authored-by: Yong He <yonghe@outlook.com>
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* Fix method synthesis logic for static differentiable methods.
* Support link-time constants in thread group size reflection.
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* Enhance link-time type test.
* Fix.
* Fix.
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