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Fixes #4818
Emit memory qualifier once for GLSL targets.
Co-authored-by: Yong He <yonghe@outlook.com>
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* Support unicode identifier names.
* Fix.
* Fix language server.
* Fix build errors.
* Fix.
* Fix offset translation in language server.
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Addresses #4698 as one approach to diagnose the potential problem.
Emit warnings when a user marks a parameter as `inout` but never writes to it in the function. A new intrinsic function `unmodified(out T)` has been added to explicitly indicate that an `inout` variable will not be modified in the function.
This is only one way to address the specific validation error in #4698. In general it seems that DXC does some more extensive checks on actual struct fields (as opposed to observing arbitrary struct writes), so that will be the next step.
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* Fix auto-diff synthesized method naming conventions
* Update tests; remove unused var
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Closes #4746.
This commit adds a support for "NumThreads" and "Shader" attribute keyword, which is in CamelCasing starting with an upper case letter.
The attribute keywords in HLSL are case-insensitive. As an example, one of D3D documents says,
"The attribute name "Shader" is case insensitive."
https://microsoft.github.io/DirectX-Specs/d3d/WorkGraphs.html
Slang, however, doesn't support the case-insensitivity. They should be all lower-case or CamelCasing starting with an upper case.
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* Add embedded precompiled binary IR ops
Add IR operations to embed precompiled DXIL or SPIR-V blobs
into IR. Adds a BlobLit literal that is mostly identical to
StringLit except for its inability to be displayed, e.g.
in dumped IR. In the future, the blob might be dumped as
hexadecimal, but for now it is summarized as "<binary blob>".
* EmbeddedDXIL and SPIR-V options
The options, '-embed-dxil' and '-embed-spirv' in slangc, will
cause a target dxil or spirv to be compiled and stored in the
translation unit IR when written to a slang-module. Subsequent
changes actually implement the options.
* Per-translation unit DXIL precompilation
When -embed-dxil is specified, perform a precompilation to DXIL of
each TU, linked only with stdlib. Embed the resulting DXIL for
the TU in a IR op. Being part of IR, the precompiled DXIL can be
serialized to disk in a slang-module.
Upon loading slang-modules, the new IR op will be searched for and
the precompiled DXIL blob is saved with the loaded Module. During
linking, if all the Modules have precompiled blobs they will be
sent to the downstream compile commands as libraries instead of
source, skipping the downstream compilation, using DXC only for
linking.
Fixes Issue #4580
* Remove placeholder embedded SPIRV support
Code was added only to sketch out how other precompiled bins
will be supported.
* Remove the rest of the SPIRV placeholder support
* Fix warnings, test error on non-windows
* Remove lib_6_6 hack, add dxil_lib capability
* Allocate blob value from irmodule memarena
* Add null check after memarena allocation
* Restore the request->e2erequest code path for generatewholeprogram
* Update capability handling, move EmbedDXIL enum to end to preserve abi
* Remove lib_6_6 hack
* Move ICompileRequest functions to end
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* Allow impliocit 'uniform' entrypoint parameters.
* Fix.
* Fix.
* Fix.
* Fix.
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* Allow generic type deduction from ParameterBlock arguments.
* Fix test.
* Update expected failure list.
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Co-authored-by: Yong He <yhe@nvidia.com>
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* Proper warning generation for target switches and intrinsic asm
* Relaxing terminators
* Fix compiler warnings
* Rectified target switch reachability check
* Simplify target switch reachability check
* Refactoring variable names
* Using getBlocks
* Moving ad hoc special case to diagnostics source
* Using the LINE directive for testing
* Simplifying reliance on target switches
* Skipping IR generation for empty target switches
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Co-authored-by: Yong He <yonghe@outlook.com>
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* Fix IR lowering for generic interface types.
* Fix.
* Fix.
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(#4751)
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* Fix SPIRV emit for small-integer texture types.
* Disable -emit-spirv-via-glsl test.
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* Disable warnings for input global variables
* Update comment to reflect actual check
Co-authored-by: ArielG-NV <159081215+ArielG-NV@users.noreply.github.com>
* Update comments in uninitialized-globals.slang
* Update uninitialized-globals.slang
* Refactoring test variable
* Typo in test
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Co-authored-by: ArielG-NV <159081215+ArielG-NV@users.noreply.github.com>
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Fixes bug #3180
This test verifies the check for illegal swizzle on vector types, whose
element is not a basic Type (int, float).
The check captures the failure within swizzle access on a nested vector
subscript element.
vector<vector<int, 2>, 2> a
int b = a[0].x; // illegal
Co-authored-by: Yong He <yonghe@outlook.com>
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* Add `_Internal`/`External` atom validation and use enforcement.
Fixes: #4676
Changes:
* Added `validateInternalAtomExternalAtomPair` to the capability generator to ensure all `_Internal` atoms have a corresponding `External` atom.
* Validation of 'RequireCapabilityAttribute' warns if a user uses an '_Internal' atom.
* Added 'External' atoms to atoms with an already existing '_Internal' atom.
* Printing an atom removes '_'.
* Fixed some incorrect which were checking for the incorrect warning/error (capability4.slang, capability5.slang, capability6.slang).
* switch capability name to use `UnownedStringSlice` instead of `const char*`
switch capability name to use `UnownedStringSlice` instead of `const char*`, this includes using functions like `.startsWith`.
* grammer
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Co-authored-by: Yong He <yonghe@outlook.com>
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* Overhaul IR lowering of pointer types.
* Propagate address space in IRBuilder.
* Fixup.
* Fix.
* Fix.
* Change how Ptr type is printed to text.
* Fix.
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* Check extensions before function parameters.
Fix decl ref formation for synthesized differentiable requirements that are inside an extension.
* Fix clang errors.
* More clang fix.
* Fix warnings.
* Fix build error.
* Fix.
* Fix typo.
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* Allow implicitly casting enum types to bool.
* Fix.
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Closes #4395
This commit allows Slang to use 1-dimensional matrix when targetting
HLSL. The 1-dimensional matrix is supported by DXC natively.
GLSL/Vulkan doesn't support the 1-dimensional matrix natively. It is
not trivial for Slang to convert all of matrix functions to vector or
scalar at the emitting step. We can implement this later if there are
needs. This commit disallows the use of 1-dimensional matrix for
targetting GLSL/Vulkan by the capability system; in other words, the
new 1-dimentional functions have "[require(hlsl)]".
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* Add ResourceArray intrinsic type
* Move aliased parameter generation to GLSL legalization
* Add DynamicResourceEntry type for proxying layout of GenericResourceArray
* Reimplement as DynamicResource
* Add reflection test
* Don't reuse alias cache between different parameters
* Add dynamic cast extensions for buffer types
* Minor format fix
* Fix VarDecl diagnostics after finding non-appliable initializer candidates
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Co-authored-by: Yong He <yonghe@outlook.com>
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* Allow only specific spv storage classes for binding decoration
In
https://registry.khronos.org/vulkan/specs/1.3/html/chap37.html#VUID-StandaloneSpirv-DescriptorSet-06491
it states that
If a variable is decorated by DescriptorSet or Binding, the Storage
class must be UniformConstant, Uniform and StorageBuffer.
So apply this rule to our emit-spirv logic.
* Add a unit test
* Address few comments
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Fixes: #4704
Change the type we assign when getting the member variable of a legalized `ConstantBuffer<T[...]>`.
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fixes: #4700
Changes:
* If a uniform object (which uses uniform locations) has explicit bindings we will warn to use `ConstantBuffer<T>` instead. We check for a warning specifically when we know an object uses uniform layouts because objects may not use a uniform-layout register even if tagged with `uniform`. A good example of this is `uniform ConstantBuffer<T>`.
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Fixes: #4675
Fixes: #4683
Fixes: #4443
Fixes: #4585
Fixes: #4172
Made the following changes:
1. All capability diagnostic printing logic tries to simplify before printing. This means that we do not print atoms which imply another atom.
2. Do not print the `_` prefix part of atom names since it is misleading users on what they should use to solve a capability issue encountered. (`_Internal` `External` atom changes are not in this PR)
3. Bundle together printing of all sets which contain exactly the same atoms (excluding abstract atoms). This allows printing the following `vertex/fragment/hull/domain/... + glsl` instead of `vertex + glsl | fragment + glsl | hull + glsl | domain + glsl | ....`
4. Rework how entry-point errors are reported to users (example at bottom of PR comment)
5. Rework how atom-provenance data is collected to be leaner and more useful so we can rework the errors. There are 2 notable changes here:
* We no longer store a list which describes where the first of an `CapabilityAtom` comes from. This heavily simplifies AST logic for the capability system. AST parsing of capabilities is much faster. The trade-off is faster AST parsing and correct AST node data for slower diagnostics if an error is found
* atom-provenance data now stores a reference to an atom's use-site to provide information on **where** and **what** is wrong with user code versus only sharing **what** and not where.
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* Fix for invalid swizzle causing crash
Fixes #4689
If swizzle code is provided 5+ element swizzle the checkSwizzleExpr code will do an out of bounds array access and crash.
* switch test to check for to ensure no crash
* cleanup swizzle errors to only emit once
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Co-authored-by: Yong He <yonghe@outlook.com>
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* Support parameter block in metal shader objects.
* Ingore parameter block tests on devices without tier2 argument buffer.
* Fix warning.
* Fix texture subscript test.
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Co-authored-by: Yong He <yhe@nvidia.com>
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* Fix the issue of name mangle
During our name mangling, we should add the direction of the parameter
in the name, otherwise it could have the name collision which will
result in invalid code generation:
e.g.
// in slang-module.slang
export func(float a) { ...}
// in test.slang
extern func(inout float a);
when we compile test.slang, slang will pass a pointer type to the
'func', however, in the slang-module.slang, `func` expects a value
instead of pointer. This will lead the wrong spirv code.
So we should add the parameter direction into the mangle name such
that above two symbols will have the different mangled names, and
we will catch this during IR-link stage.
* Change to use to get param direction
* Address few comments
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* Metal: `Interlocked` (atomic) member function support for buffers
fixes: #4654
fixes: #4481
1. Add `Interlocked` (atomic) member function support for buffers to Metal
2. Fix `__getEquivalentStructuredBuffer` so it works with CPP/Metal targets
* add `CompareStore` support
* legalize RWByteAddressBuffer to fully replace StructuredBuffer
* destroy replaced byte-addr buffer
* cleanup as per review and add comment to explain why certain code exists
* fix flow of byte-address-buffer replacement
* toggle on option to translate byteAddrBuffer to StructuredBuffer
* cleanup unused buffers
* add treatGetEquivalentStructuredBufferAsGetThis flag to treat getEquivStructuredBuffer as a byteAddressBuffer
* comment to explain `treatGetEquivalentStructuredBufferAsGetThis`
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Co-authored-by: Yong He <yonghe@outlook.com>
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column_major/row_major. (#4653)
* Allow CPP/CUDA/Metal to legalize their buffer-elements.
Fixes: #4537
Changes:
1. Matrix inputs require legalization (pack/unpack) to ensure consistent row_major/column_major throughout entire shader, the following enabled legalization pass fixes this.
2. Added missing CUDA intrinsic so CUDA can run more tests.
3. Added a memory packing test since this still fails for cpp/cuda/metal (due to having no memory packing enforcement).
* change memory packing tests to run for targets without packing
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Co-authored-by: Yong He <yonghe@outlook.com>
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* Detect uninitialized fields in constructors
* Reachability check for early returns
* Specialized warnings for synthesized default initializers
* Handling quirks with constructors
* Addressing review comments
* Ignore synthesized constructors if they are not used
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This change supports OpDebugTypePointer for a member variable whose type
is a pointer type for the outer struct that hasn't been declared yet.
It is done with new extension, "SPV_KHR_relaxed_extended_instruction",
that comes with a new instruction, "OpExtInstWithForwardRefs".
Closes #4304
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The following external directories are updated.
It is to use a new SPIRV keyword, "OpExtInstWithForwardRefs".
Related to #4304
external/spirv-header:
> commit 2acb319af38d43be3ea76bfabf3998e5281d8d12
> Author: Kévin Petit kevin.petit@arm.com
> Date: Wed Jun 12 16:41:14 2024 +0100
> SPV_ARM_cooperative_matrix_layouts (#433)
external/spirv-tools:
> commit ce46482db7ab3ea9c52fce832d27ca40b14f8e87
> Author: Nathan Gauër brioche@google.com
> Date: Thu Jun 6 12:17:51 2024 +0200
> Add KHR suffix to OpExtInstWithForwardRef opcode. (#5704)
> The KHR suffix was missing from the published SPIR-V extension.
> This is now fixed, but requires some patches in SPIRV-Tools.
external/spirv-tools-generated:
This is generated from spirv-tools
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Previously the warning system ignores undefined variables in nested scopes (blocks in IR).
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closes https://github.com/shader-slang/slang/issues/4667
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* Add unexpected end of input error to lexer
* Add end of input test
* Simplify testcase
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entry-point (#4670)
* Fixes #4656
Changes:
1. Setting a profile via slangc no-longer sets an entry-point target-stage, this is to allow slangc to follow how the SLANG-API works (else `main` is assumed to be the default entry-point)
2. If the stage specified by a profile is not equal to the stage specified by a entry-point, we throw a capability error.
3. Resolving the stage of an entry point was changed to function (mostly) equally for when 0 entry-points are specified versus to when there are 1 or more.
4. changed capabilitySet Iterator so it is invalid if backing data is nullptr (although this should never happen, it would stop crashes in the worst case).
* remove the breaking change since it likely is going to be a lot more than just a simple change due to the implicit `main` and stage through `profile` code.
* print out profile name with errors
* use target's profile for printing
* change logic to print warning in a different method (account for more cases)
* set unknown stages
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Co-authored-by: Yong He <yonghe@outlook.com>
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* Handle out/inout functions with separate consideration
* Fixing bug with passing aliasable instructions
* Handle autodiff functions (fwd and rev) in warning system
* Handling interface methods
* Handling ref parameters like out/inout
* Temporary fix to remaining bugs
* Refactoring methods and tests
* Recursive check for empty structs
* Using default initializable interface in tests
* Resolving CI fail
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table (#4638)
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(#4618)
* Add `dev` cmake preset.
* Fix incorrect codegen when returning initializer list as existential value.
* Fix cmake.
* Fixup.
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