| Age | Commit message (Collapse) | Author |
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* List made members m_
Tweaked types to closer match conventions.
* Use asserts for checking conditions on List.
Other small improvements.
* List<T>.Count() -> getSize()
* List<T>
Add -> add
First -> getFirst
Last -> getLast
RemoveLast -> removeLast
ReleaseBuffer -> detachBuffer
GetArrayView -> getArrayView
* List<T>::
AddRange -> addRange
Capacity -> getCapacity
Insert -> insert
InsertRange -> insertRange
AddRange -> addRange
RemoveRange -> removeRange
RemoveAt -> removeAt
Remove -> remove
Reverse -> reverse
FastRemove -> fastRemove
FastRemoveAt -> fastRemoveAt
Clear -> clear
* List<T>
FreeBuffer -> _deallocateBuffer
Free -> clearAndDeallocate
SwapWith -> swapWith
* List<T>
SetSize -> setSize
Reserve -> reserve
GrowToSize growToSize
* UnsafeShrinkToSize -> unsafeShrinkToSize
Compress -> compress
FindLast -> findLastIndex
FindLast -> findLastIndex
Simplify Contains
* List<T>
Removed m_allocator (wasn't used)
Swap -> swapElements
Sort -> sort
Contains -> contains
ForEach -> forEach
QuickSort -> quickSort
InsertionSort -> insertionSort
BinarySearch -> binarySearch
Max -> calcMax
Min -> calcMin
* Initializer::Initialize -> initialize
List<T>::
Allocate -> _allocate
Init -> _init
IndexOf -> indexOf
* * Put #include <assert.h> in common.h, and remove unneeded inclusions
* Small refactor of ArrayView - remove stride as not used
* getSize -> getCount
setSize -> setCount
unsafeShrinkToSize->unsafeShrinkToCount
growToSize -> growToCount
m_size -> m_count
* Some tidy up around Allocator.
* Use Index type on List.
* Refactor of IntSet.
First tentative look at using Index.
* Made Index an Int
Did preliminary fixes.
Made String use Index.
* Partial refactor of String.
* String::Buffer -> getBuffer
ToWString -> toWString
* Small improvements to String.
String::
Buffer() -> getBuffer()
Equals() -> equals
* Try to use Index where appropriate.
* Fix warnings on windows x86 builds.
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* First pass extract the test information by 'running tests'.
* * Checking renderer availablilty
* Using TestInfo to determine which tests are run and synthesized
* Display if test is synthesized and what render api it's targetting
* * Improved comments
* Removed some dead code
* Display ignored tests.
* TestInfo -> TestRequirements
* * Added DIAGNOSTIC_TEST type - test always runs (ie has no requirements).
* Made diagnostic tests use DIAGNOSTIC_TEST
* TestInfo -> TestRequirements
* TestDetails holds TestRequirements and TestOptions
* Fix debug typo.
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* * Make adapter used selectable on the command line
* Added 'adapter' to Renderer::Desc with dx11, dx12, vk honoring it
* GL will check that the renderer matches, but cannot select a specific device
* Share functionality on dx adapter selection in D3DUtil
Note - that on tests that use OpenGL and the adapter doesn't match it will ignore the test (and display a message that the appropriate device couldn't be started)
* Small function name improvement.
* Variable rename to match type.
* Fix typo in Dx12 device selection.
* * Add checking if an adapter is warp
* Improve some comments
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* Look at getting half to work on vk.
* Alter half test so can always produce consistent test results.
* First pass working half on vk.
* Improve comments for vulkan extensions around half.
* Upgraded vulkan headers to v1.1.103
https://github.com/KhronosGroup/Vulkan-Headers
* * Add getFeatures on Render interface
* Vulkan renderer determines at startup if it can support half
* Parse render-features on render-test
* Small changes to half-calc.slang test.
* Structured buffer half access works as expected for Vk, but isn't for dx12, so disable for now.
* Require the half feature for renderers for the half-structured-buffer.slang test.
* * Added ToolReturnCode to be more rigerous about how a return code is passed back from a tool
* Added support for a tool being able to pass back an 'ignored' result.
* Used enum codes to indicate meanings
* Made spawnAndWait return a ToolReturnCode
* Ignore tests that don't have required render-feature
* Fix macro line continuation usage.
* Check dx12 has half support.
* Checking for half on dx12 - if CheckFeatureSupport fails, don't fail renderer initialization.
* Fix typo.
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back from a tool (#911)
* Added support for a tool being able to pass back an 'ignored' result.
* Used enum codes to indicate meanings
* Made spawnAndWait return a ToolReturnCode
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* First steps toward supporting interface-type parameters on shaders
What's New
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From the perspective of a user, the main thing this change adds is the ability to declare top-level shader parameters (either at global scope, or in an entry-point parameter list) with interface types. For example, the following becomes possible:
```hlsl
// Define an interface to modify values
interface IModifier { float4 modify(float4 val); }
// Define some concrete implementations
struct Doubler : IModifier
{
float4 modify(float4 val) { return val + val; }
}
struct Squarer : IModifier { ... }
// Define a global shader parameter of interface type
IModifier gGlobalModifier;
// Define an entry point with an interface-type `uniform` parameter
void myShader(
unifrom IModifier entryPointModifier,
float4 inColor : COLOR,
out float4 outColor : SV_Target)
{
// Use the interface-type parameters to compute things
float4 color = inColor;
color = gGlobalModifier.modify(color);
color = entryPointModifier.modify(color);
outColor = color;
}
```
The user can specialize that shader by specifying the concrete types to use for global and entry-point parameters of interface types (e.g., plugging in `Doubler` for `gGlobalModifier` and `Squarer` for `entryPointModifier`).
The "plugging in" process is done in terms of a concept of both global and local "existential slots" which are a new `LayoutResourceKind` that represents the holes where concrete types need to be plugged in for existential/interface types.
In simple cases like the above, each interface-type parameter will yield a single existential slot in either the global or entry-point parameter layout. Users can query the start slot and number of slots for each shader parameter, just like they would for any other resource that a parameter can consume. Before generating specialized code, the user plugs in the name of the concrete type they would like to use for each slot using `spSetTypeNameForGlobalExistentialSlot` and/or `spSetTypeNameForEntryPointExistentialSlot`.
There are some major limitations to the implementation in this first change:
* Parameters must be of interface type (e.g., `IFoo`) and not an array (`IFoo[3]`), or buffer (`ConstantBuffer<IFoo>`) over an interface type. Similarly, `struct` types with interface-type fields still don't work.
* The work on interface-type function parameters still doesn't include support for `out` or `inout` parameters, nor for functions that return interface types (that isn't technically related to this change, but affects its usefullness).
* No work is being done to correctly lay out shader parameters once the concrete types for existential slots are known, so that this change really only works when the concrete type that gets plugged in is empty.
These limitations are severe enough that this feature isn't really usable as implemented in this change, and this merely represents a stepping stone toward a more complete implementation.
Implementation
--------------
The API side of thing largely mirrors what was already done to support passing strings for the type names to use for global/entry-point generic arguments, so there should be no major surprises there.
The logic in `check.cpp` computes the list of existential slots when creating unspecialized `Program`s and `EntryPoint`s (this is logically the "front end" of the compiler), and then checks the supplied argument types against what is expected in each slot when creating specialized `Program`s and `EntryPoint`s. This again mirrors how generic arguments are handled.
Type layout was extended to compute the number of existential slots that a type consumes, and will thus automatically assign ranges of slots to top-level and entry-point shader parameters in the same way it already allocates `register`s and `binding`s. The big missing feature is the ability to specialize a layout to account for the concrete types plugged into the existential-type slots.
IR generation for specialized programs and entry points was slightly extended so that it attaches information about the concrete types plugged into the existential slots, and the witness tables that show how they conform to the interface for that slot. The linking step needed some small tweaks to make sure that information gets copied over to the target-specific program when we start code generation.
The meat of the IR-level work is in `ir-bind-existentials.cpp`, which takes the information that was placed in the IR module by the generation/linking steps and uses it to rewrite shader parameters. For example, if there is a shader parameter `p` of type `IModifier`, and the corresponding existential slot has the type `Doubler` in it, we will rewrite the parameter to have type `Doubler`, and rewrite any uses of `p` to instead use `makeExistential(p, /*witness that Doubler conforms to IModifier*/)`.
Once the replacement is done on the parameters, the existing work for specializing existential-based code when the input type(s) are known kicks in and does the rest.
Testing
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A single compute test is added to validate that this feature works. It is narrowly tailored to not require any of the features not supported by the initial implementation (e.g., all of the concrete types used have no members).
The test case *does* include use of an associated type through one of these existential-type parameters, which has exposed a subtle bug in how "opening" of existential values is implemented in the front-end. Rather than fix the underlying problem, I cleaned up the code in the front-end to special case when the existential value being opened is a variable bound with `let`, to directly use a reference to that variable rather than introduce a temporary. Similarly, in the IR generation step, I added an optimization to make variables declared with `let` skip introducing an IR-level variable and just use the SSA value of their initializer directly instead.
* fixup: missing files
* fixup: incorrect type for unreachable return
* fixup: actually comment ir-bind-existentials.cpp
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* Split front- and back-ends
This change is a major refactor of several of the types that provide the behind-the-scenes implementation of the public C API.
The goal of this refactor is primarily to allow for future API services that let the user operate both the front- and back-ends of the compiler in a more complex fashion.
For example, as user should be able to compile a bunch of source code into modules, look up types, functions, etc. in those modules, specialize generic types/functions to the types they've looked up, and then finally request target code to be gernerated for specialized entry points.
The back-end code generation they trigger should re-use the front-end compilation work (parsing, semantic checking, IR generation) that was already performed.
The most visible change is that `CompileRequest` has been split up into several smaller types that take responsibility for parts of what it did:
* The `Linkage` type owns the storage for `import`ed modules, and well as the `TargetRequest`s that represent code-generation targets. The intention is that an application could use a single `Linkage` for the duration of its runtime (so long as it was okay with the memory usage), so that each `import`ed module only gets loaded once. For now, this type needs to manage the search paths, file system, and source manager, because of its responsibility for loading files.
* A `FrontEndCompileRequest` owns the stuff related to parsing, semantic checking, and initial IR generation. This most notably includes the `TranslationUnitRequest`s and the `FrontEndEntryPointRequest`s (which used to be just `EntryPointRequest`s). It's main job is to produce AST and IR modules for each translation unit, and to find and validate the entry points. The front-end request does *not* interact with generic arguments for global or entry-point generic parameters.
* The main output of both `import` operations and front-end translation units is the `Module` type, which is just a simple container for both the AST module (to service the reflection/layout APIs, and also for semantic checking of code that `import`s the module) and the IR module (for linking and code generation). This type captures the commonalities between the old `LoadedModule` (which is now just an alias for `Module`) and `TranslationUnitRequest` (which now owns a `Module`).
* The secondary output of front-end compilation is a `Program`, which comprises a list of referenced `Module`s and validated `EntryPoint`s that will be used together. Layout and code generation both need a `Program` to tell them what modules and entry points will be used together (we don't want to just code-gen everythin that has ever been loaded into the linakge). The `Program`s created by the front-end do not include generic arguments, so they may provide incomplete layout information and/or be unsuitable for code generation.
* A `BackEndCompileRequest` owns stuff related to turning a `Program` into output kernels for the targets of a `Linkage`. Most of the data it owns beyond the `Program` to be compiled is minor, so this is a good candidate for demotion from a heap-allocated object to just a `struct` of options that gets passed around.
* The `CompileRequestBase` type is an attempt to wrap up the common functionality of both front-end and back-end compile requests. Most of it is just exposing the availability of a linkage and `DiagnosticSink`, so this type is a good candidate for subsequent removal. The main interesting thing it has is the flags related to dumping and validation of IR, so there is probably a good refactoring still to be made around deciding how options should be handled going forward.
* Behind the scenes, the `Program` type is set up to handle some level of on-line compilation and layout work. The `Program` knows the `Linkage` it belongs to, and allows for a `TargetProgram` to be looked up based on a specific `TargetRequest`. A `TargetProgram` then allows layout information and compiled kernel code to be asked for on-demand, in order to support eventual "live" compilation scenarios.
* The `EndToEndCompileRequest` type is a composition/coordination type that replaces the old `CompileRequest` in a way that uses the services of the various other types. It owns a few pieces of state that only make sense in the context of an end-to-end compile (e.g., there is really no way to "pass through" code when the front- and back-ends are run separately) or a command-line compile (everything to do with specifying output paths for files is really just for the benefit of `slangc`, and might even be moved there over time).
* One important detail is that the `EndToEndCompilRequest` owns all of the string-based generic arguments for both global and entry-point generic parameters. The logic in `check.cpp` for dealing with those arguments has been heavily refactored to separate out the parsings steps that are specific to end-to-end compilation with string-based type arguments, and the semantic checking steps that result in a specialized `Program` (which can be exposed through new APIs that aren't tied to end-to-end compilation).
It is perhaps not surprising that this change had a lot of consequences, so I'll briefly run over some of the main categories of changes required:
* I changed the way that global generic arguments are passed via API (use `spSetGlobalGenericArgs` instead of the generic arguments for `spAddEntryPointEx`, which are not just for entry-point generics), which has been a change that we've needed for a long time. This is technically a breaking API change, although we should have very few client applications that care about it.
* A bunch of places that used to take "big" objects like `CompileRequest` now just take the sub-pieces they care about (e.g., a function might have only needed a `Linkage` and a `DiagnosticSink`). This makes many subroutines or "context" struct types more generally useful, at the cost of taking more parameters.
* In a few cases the conceptually clean separation of the layers breaks down (often for edge-case or compatibility features), and so we may pass along additional objects that are allowed to be null, but are used when present. A big example of this is how the back-end code generation routines accept an `EndToEndCompileRequest` that is optional, and only used to check whether "pass through" compilation is needed. We should probably look into cleaning this kind of logic up over time so that we don't need to violate the apparent separation of phases of compilation.
* In cases where separation of layers was being broken for the sake of GLSL features, I went ahead and ripped them out, since all of that should be dead code anyway.
* In many cases I increased the encapsulation of data in the core types to help track down use sites and make sure they are following invariants better.
* In cases where code was doing, e.g., `context->shared->compileRequest->session->getThing()` I have tried to introduce convenience routines so that the usage site is just `context->getThing()` to improve encapsulation and allow changes to be made more easily going forward.
* The `noteInternalErrorLoc` functionality was moved off of the compile request and into `DiagnosticSink`, since that is the one type you can rely on having around when you want to note an internal error. We may consider going forward if (and how) it should reset the counter used for noting locations on internal errors.
* A few APIs now take `DiagnosticSink*` arguments where they didn't before, and as a result some public APIs need to create `DiagnosticSink`s to pass in, before going ahead and ignoring the messages. In the future there should be variations of these APIs that accept an `ISlangBlob**` parameter for the output.
* fixup: missing include for compilers with accurate template checking (non-VS)
* fixup: review feedback
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* If there is a problem with initialize RenderTestApp::initialize constructing the pipeline, this was not being reported as an error causing a later crash.
* Use same style to return error.
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* * Fix memory bug around expanding va_args - needed buffer to have space for terminating 0
* Fix problem with FileWriter defaults being globals, as memory they allocate, will only be freed after return from main - work around by making StdWriters RefObject derived, and kept in scope such the writers are destroyed before checks for leaks is found
* Added SimplifyPathAndHash mode for CacheFileSystem - will simplify the path and see if simplified path is in cache before reading file (limiting amout of underlying file requests)
* * Added calcReplaceChar
* Renamed DefaultFileSystem to OSFileSystem
* Made OSFileSystem convert windows \ to / on linux
* Simplified logic for caching in CacheFileSystem.
* Added pragma-once-c to add extra test, but also so there is an 'include' directory in preprocessor tests.
* Small fixes in pragma once test.
* Simplified cache handling path, so that paths/simplified paths area always added.
* Improve naming of methods for different caches.
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* Remove AppContext. Use StdChannels to hold writers, and TestToolUtil to hold test tool specific functionality.
* StdChannels -> StdWriters
* getStdOut -> getOut, getStdError -> getError
* Renamed main.cpp files of tools to try and stop visual studio getting confused between files - such that clicking on an error takes editor to the right location.
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