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* First pass of render-test refactor.
* Make window construction a function that can choose an implementation.
* Remove OpenGL as currently has windows dependency.
* Disable Vulkan as Renderer impl has dependency on windows.
* Pass Window in as parameter of 'update'.
* Add win-window.cpp as was missing.
* Fix warning on windows about signs during comparison.
* * Added mechanism to add random arrays as buffer inputs and select type
* Improved RenderGenerator to generate more types, and to be more careful around int32 ranges.
* Added support for security checks (for Visual Studio C++)
* Disable Execption handling being on by default when compiling kernels
* Added a 'Group' version of the entry point that will evaluate all threads in a group in a single call. In test code use this method if available.
* Added -compile-arg to be able to pass arguments to the compile within render-test
* Add documention for the _Group execution feature.
* Fix some typos in cpu-target.md
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* Try to make x86 builds on x86 platforms (not the default for the os).
* Use c style include for stdint.h cos not found on x86 linux.
* Simplified x86 issue for linux.
* Fix typo.
* Remove the need for the shared-library category.
* Disable CPU tests on linux x86.
* Fix typo.
* Named test requirement methods so overloading not confusing (around flags, and SlangPassThroughType which are both 'int')
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* Two fixes to avoid random crash on destruction of GLRenderer
* Use of a weak reference from objects created by GLRenderer, such that GLRenderer dtor can disable those objects assuming GLRenderer is live
* Make sure window is not destroyed before the renderer
* Used WeakSink for weak pointer.
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* Add support for '=' when defining a name in test.
* Add support for double intrinsics.
* Add support for asdouble
Add findOrAddInst - used instead of findOrEmitHoistableInst, for nominal instructions.
Support cloning of string literals.
C++ working on more compute tests.
* Constant buffer support in reflection.
Fixed debugging into source for generated C++.
buffer-layout.slang works.
* Added cpu test result.
* Remove some commented out code.
Comment on next fixes.
* Improvements to reflection CPU code.
* C++ working with ByteAddressBuffer.
* Enabled more compute tests for CPU.
* Enabled more compute tests on CPU.
Added support for [] style access to a vector.
* Enabled more CPU compute tests.
* Handling of buffer-type-splitting.slang
Named buffers can be paths to resources
* Fix some warnings, remove some dead code.
* Fix problem with verification of number of operands for asuint/asint as they can have 1 or 3 operands. asdouble takes 2.
* Fix handling in MemoryArena around aligned allocations. That _allocateAlignedFromNewBlock assumed the block allocated has the aligment that was requested and so did not correct the start address.
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* Added setDownstreamCompilerPrelude
Renamed setPassThroughPath to setDownstreamCompilerPath.
Fixed tests.
Added prelude directory & code to TestToolUtil to setup default preludes for testing/command line apis.
* Fix merge problem
* Remove hacks to make prelude work by adding a search path as no longer needed with 'user prelude'.
* Split up prelude into scalar intrinsics, and types.
Use slang.h for main header.
slang-cpp-prelude.h can now just include what it needs (relative to prelude directory) and define the few remaining things/work arounds.
* Fix typo.
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mechansim. Use the m_passThroughPaths as set on the Session via the IGlobalSession interface. (#1025)
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* * Simplify some of test code around CPPCompiler
* Test using 'callable' with pass-through
* Small cpu doc improvements
* Improvements to Clang output parsing.
* Remove temporary file (base filename) .
* Improve handling of external errors - handle severity.
* On error dumping out to 'actual' file for runCPPCompilerCompile.
* Small fixes.
Set the source language type correctly for pass thru.
* Remove warning for test for clang backend c
* Preliminary work around making render-test compute potentiall work with CPU.
Made ShaderCompiler -> a stateless ShaderCompilerUtil.
Means we don't require a Renderer interface to do shader compilation.
* Refactor such that CPU test can take place in without Window or Renderer.
* Hack to look for prelude in source file directory.
Fix bug returning the SharedLibrary for HostCallable.
* Compute test running on CPU.
* Need the prelude currently in same directly as test.
* Hack to remove warning - that then produces an error on appveyor build.
Disable running render CPU test on non-windows.
* Improve handling of disabling CPU tests on linux.
* Added bit-cast.slang working on CPU.
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* CPPCompiler::OutputMessage -> CPPCompiler::Diagnostic
* Fix problem with merge.
* Fix another small merge issue around Diagnostic.
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* * Simplify some of test code around CPPCompiler
* Test using 'callable' with pass-through
* Small cpu doc improvements
* Improvements to Clang output parsing.
* Remove temporary file (base filename) .
* Improve handling of external errors - handle severity.
* On error dumping out to 'actual' file for runCPPCompilerCompile.
* Small fixes.
Set the source language type correctly for pass thru.
* Remove warning for test for clang backend c
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* Expanded prelude for some other resource types. Disable C++ output for ParameterGroup.
* WIP: Layout for CPU.
* Fixes to CPU layout.
* WIP: The uniform is output, but the variable definition is not.
* WIP: Entry point parameters to global scope in C++.
Handling of resource types (in so far as outputting)
* Some discussion of ABI and different input types.
* WIP: More C++ support around resource types.
* WIP: Split up variables into different structures on emit.
* WIP: Emitting C++ with wrapping up of 'Context'
* WIP: C++ code has access to semantic values.
Wrap in struct so can use method calls to pass shared state.
Disable legalizeResourceTypes and legalizeExistentialTypeLayout
* Fix structured buffer layout for CPU.
* Remove testing/handling of global uniforms on CPU path.
Typo fix.
Changed CPU tests to use new CPU calling convention.
* Check globals are working. Initalize context to zero globals.
* Order the global parameters for C++ ouput by their layout.
Note - that layout isn't quite working correctly because the StructuredBuffer<int> the int seems to be consuming uniform space.
* Work around for reflection not having all data needed for layout ordering for C++ code.
* Output constant buffers as pointers.
* Entry point parameters accessed through pointer to struct.
* WIP: Layout for CPU is reasonable for test case.
* Only output 'f' after float literal if type marks as a float.
* Cast construction works on C++.
* Made IntrinsicOp::ConvertConstruct to make intent clearer.
* C++ handling construction from scalar.
Handle access of a scalar with .x.
Check default initialization.
* Comment about need for split of kIROp_construct.
Release build works.
* Added support from constructVectorFromScalar to C/C++ target.
* Handling of in/out in C/C++.
* First pass documentation CPU support.
* Improvements to C++/C slang code generation documentation.
* Small doc change to include need for mechansim to specify cpp compiler path.
* WIP: Being able to set path for backends.
* Better handling of swizzling - allow swizzling a scalar into a vector.
* Fix missing/broken headers for path setting on session.
* Fix for compiling using clang on Windows.
* Remove Clang test code.
* * Removed spSessionGetGlobalSession - no longer needed because SlangSession is slang::IGlobalSession alias.
* Gave Session a ref count on spCreateSession, and have it checked on spDestroySession, so behaves correctly as ISlangUnknown
Note that spDestroySession does a release (and checks the ref count on debug builds). It's behaviour could be the same as just release, but this seems closer to the original intention.
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* First pass support for compiling to a loaded shared library.
* Improve documentation for cpu target.
* Removed the SLANG_COMPILE_FLAG_LOAD_SHARED_LIBRARY flag.
Use the SLANG_HOST_CALLABLE code target
Document mechanism.
* Fix typo in cpp-resource.slang
In test code if the target is 'callable' we don't need to compile (indeed there is no source file).
* Small refactor using CommandLineCPPCompiler as base class to implement VisualStudioCPPCompiler and GCCCPPCompiler.
* Improvements around CPPCompiler.
Mechanism to know products produced.
Cleaning up products after execution.
* Fix multiple definition of 'SourceType'
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* WIP: Adding support for C/C++ compilation to slang API.
* Removed BackEndType in test harness -> use SlangPassThrough to identify backends
Only require stage for targets that require it.
Detection of all different backends.
* Windows/Unix create temporary filename.
* WIP: Output CPU binaries.
* Added a pass-through c/c++ test.
* Compile C++/C and store in temporary file.
* Read the binary back into memory.
* Set debug info and optimization flags for C/C++.
Make the CPPCompiler debug/optimization levels match slangs.
* Handling of include paths and math precision.
* Dumping c++/c source and exe/shared library.
* Put hex dump into own util.
* End to end pass through c compilation test.
* WIP: Simple execute test working on Linux/Unix.
* Fix typo on linux.
* WIP: To compile slang to cpp shared library. Report backend compiler errors.
* Compiles slang -> cpp and loads as shared library.
* Fix problem on c-cross-compile test because prelude is now included with <> quotes.
* Run slang generated cpp code - using hard coded data.
* Added cpp-execute-simple, and test output.
* Fix warning that broke win32 build.
* Fix compilation problem on osx.
* When C++ output use template types.
* Require C++14 if using partial specialization for matrix/vector types.
* Merge of master + add c-cross-compile.slang.expected
* Remove c-cross-compile.slang.expected
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* WIP: Adding support for C/C++ compilation to slang API.
* Removed BackEndType in test harness -> use SlangPassThrough to identify backends
Only require stage for targets that require it.
Detection of all different backends.
* Windows/Unix create temporary filename.
* WIP: Output CPU binaries.
* Added a pass-through c/c++ test.
* Compile C++/C and store in temporary file.
* Read the binary back into memory.
* Set debug info and optimization flags for C/C++.
Make the CPPCompiler debug/optimization levels match slangs.
* Handling of include paths and math precision.
* Dumping c++/c source and exe/shared library.
* Put hex dump into own util.
* End to end pass through c compilation test.
* WIP: Simple execute test working on Linux/Unix.
* Fix typo on linux.
* WIP: To compile slang to cpp shared library. Report backend compiler errors.
* Compiles slang -> cpp and loads as shared library.
* Fix problem on c-cross-compile test because prelude is now included with <> quotes.
* Run slang generated cpp code - using hard coded data.
* Added cpp-execute-simple, and test output.
* Fix warning that broke win32 build.
* Fix compilation problem on osx.
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* WIP: Emitting Cpp
* Added HLSLType instead of using IRInst - because they don't seem to be deduped.
* Removed need for lexer to take a String.
Added mechansim to lookup intrinsic functions on C++.
* A c/c++ cross compilation test.
* WIP Cpp output using cloning and slang types.
* More work to generate mul funcs.
* WIP: Outputting some simple C++.
* Expose findOrEmitHoistableInst to IRBuilder to aid cloning,
* Simplification for checking for BasicTypes.
Test infrastructure compiles output C++ code.
* Dot and mat/vec multiplication output.
* First pass at swizzling.
* First support for binary ops.
* Builtin binary and unary functions.
* Any and all.
* WIP adding support for other functions.
Added code to generate function signature.
* Add scalar functions to slang-cpp-prelude.h
* Support for most built in operations.
* Tested first ternary.
* Checking the emitting of corner cases functions - normalize, length, any, all, normalize, reflect.
* Check asfloat etc work.
* Fmod support.
* WIP Array handling in C++.
* First stage in being able to handl arbitrary type output for CLikeSourceEmitter
* Removed Handler/Emitter split - so can implement more easily complex type naming.
* Array passing by value first pass.
* Rename Array -> FixedArray
* Outputs structs in C++.
* Emit the thread config.
* Dimension -> TypeDimension
* SpecializedOperation -> SpecializedIntrinsic
Operation -> IntrinsicOp
Use shared impl of isNominalOp
Commented use of m_uniqueModule etc.
* Add code to test slang->cpp when compiled doesn't have errors. Does so by building shared library and exporting the entry point.
* Fix linux clang/gcc compile error about override not being specified.
* Make sure c-cross-compile is run on linux targets/smoke.
* Remove c-cross-compile.slang from smoke.
* Fix running tests/cross-compile/c-cross-compile.slang on Ubuntu 16.04
* Only add -std=c++11 for C++ source.
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* Added extractLine line parsing to StringUtil. Use for matching lines instead of calcLines. calcLines uses extractLine to extract lines.
Fixed problems found in output of some tests- due to how a how final line is handled. Now a final line has a \r or \n\r combination, but nothing else after it, it is considered the last line (not the line after it).
* Use StringUtil::extractLine in slang-generate.
* Improved comment on extractLine
* Remove test code from StringUtil::extractLine
* Made StringUtil::extractLine act as if line terminators are 'separators'.
Added unit-test-string.cpp - to check behavior.
* Adding LineParser - not entirely necessary, but slightly easier to use.
* Hack to output start of tests.
* WIP parsing CPPCompiler output.
* Make extractLine return a bool.
* First attempt at Visual Studio output parsing.
* Add handling for checking error returning from CPPCompiler.
* First pass parsing output of Gcc/Clang.
* Split out VisualStudioCompilerUtil and GCCCompilerUtil.
Simplified parsing of versions.
* Simplify CPPCompiler::Output interface.
* Fix problem with cpp-compiler on linux targets.
* Add shared library link error.
* Improving GCC/Clang parsing output.
* Make cpp compiler parsing function able to return a SlangResult.
* Handling for 'info' on clang
* Add expected result for c-compile-shared-library-error.c
* * Add flags such that link errors on shared libraries are supported.
* Added StringUtil::join
* Turn off the link shared library unfound symbol option on MacOS because it causes an error (and it's not needed on that target).
* Add natvis inclusion back to visual studio projects.
* Display message to try and determine crash problem on travisbuild.
* Fix bug in handling continuations for clang.
Disabled output of exception text.
* WIP: See what clang is outputting that is parsing incorrectly on travis.
* More handling for travis clang parsing issue.
* Restore natvis to core.vcxproj
* Fix visual studio project such that it still as natvis.
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* Remove the memory leak that is being reported on Visual Stuio, due to getExecutablePath having a static local variable that is not freed before leaks are dumped. The solution is sort of clumsy, in so far as it just removes the cache. Would be nice to have a better way to handle such situations.
* Add to do comment - and also to push CI to rebuild.
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* Added setNull to RefPtr
Renamed combineBuilder into combineIntoBuilder
* Added Path::append
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* Start exposing a new COM-lite API
This change is mostly about exposing a new API to the Slang compiler that allows more fine-grained control over the compilation flow. The basic concepts in the new API are:
* An `IGlobalSession` is the granularity at which we load/parse the Slang stdlib, and therefore gives applications a way to amortize startup cost for the library across multiple compiles. This is a concept that might be able to go away in a future version of Slang.
* An `ISession` owns all the code that gets loaded/compiled/generated. Any `import`ed modules are shared across everything in a session (we don't re-parse/-check the code when we see another `import` for the same module). Any generic- or interface-based code in the session can be specialized using types from the same session (but not necessarily across sessions).
* An `IModule` is the unit of code loading and scoping. It doesn't expose any API in this change, but would be the right scope for looking up types or entry points by name.
* An `IProgram` is a "linked" combination of modules and entry points from which code can be generated and reflection information queried.
This change re-uses the existing reflection API types, rather than introduce a new API that duplicates that functionality. That will probably change in a future revision.
There are two major pieces of functionality added here that aren't related to the new API:
* We now have an API concept of "entry point groups" which are one or more entry points that are intended to be used together so that they need to have non-overlapping parameters. For now this is being used to handle "hit groups" and local root signatures for ray tracing, but I'm not sure this is a concept we will keep in the long run.
* We have a very special-case (client-application-specific) flag that ascribes special meaning to the `shared` keyword, so that it can be attached to global parameters to indicate that they are actually to be part of the local root signature rather than the global one for DXR.
None of the API design (including naming) here is finalized; the only reason to check in the changes at this point to avoid having a long-running branch that leads to merge pain. Clients should *not* try to depend on the new API just yet, since it is still a work in progress.
* fixup: clang warning
* fixup: try to detect clang C++11 support
* fixup
* fixup
* fixup
* fixup
* fixup: review feedback
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* Added extractLine line parsing to StringUtil. Use for matching lines instead of calcLines. calcLines uses extractLine to extract lines.
Fixed problems found in output of some tests- due to how a how final line is handled. Now a final line has a \r or \n\r combination, but nothing else after it, it is considered the last line (not the line after it).
* Use StringUtil::extractLine in slang-generate.
* Improved comment on extractLine
* Remove test code from StringUtil::extractLine
* Made StringUtil::extractLine act as if line terminators are 'separators'.
Added unit-test-string.cpp - to check behavior.
* Adding LineParser - not entirely necessary, but slightly easier to use.
* Improved LineParser::Iterator end testing.
Added improved tests for LineParser.
* Move line comparson after termination case - to fix problem with gcc release build.
* Make UnownedStringSlice handle comparison when begin is nullptr - as it uses memcmp and passing nullptr to memcmp is undefined, leading to optimizer being able to do some unfortunate optimizations on gcc.
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StringBuilder (#988)
* Renamed and improved comments on SharedLibrary
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* Fix shared library loading for testing.
* Improve comments.
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* Removed the need for VisualStudio specific CPPCompiler
Improved the version parsing for gcc/clang
Removed need for slang-unix-cpp-compiler-util.cpp/.h
Remove binary before compiling in the compile c tests
* Moved VisualStudio calcArgs into CPPCompilerUtil - as code is not windows specific.
* Set up compile time version for gcc and clang
* Fix compilation on OSX - use remove instead of unlink for file deletion.
* On OSX - clang uses different string format.
* Removed /bin/sh invoking as not required for OSX.
* First pass working testing with shared libraries.
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* Removed the need for VisualStudio specific CPPCompiler
Improved the version parsing for gcc/clang
Removed need for slang-unix-cpp-compiler-util.cpp/.h
Remove binary before compiling in the compile c tests
* Moved VisualStudio calcArgs into CPPCompilerUtil - as code is not windows specific.
* Set up compile time version for gcc and clang
* Fix compilation on OSX - use remove instead of unlink for file deletion.
* On OSX - clang uses different string format.
* Removed /bin/sh invoking as not required for OSX.
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* Work in progress to be able to invoke VS from within code.
* First pass at windows version of refactor of OSProcessSpawner
* Closer to getting VS path lookup working.
* Make OSString assignable/ctor able
* Work out program files directory directly, so don't have to expand %%.
* WIP: Improve handling of process spawning.
* Add support for splitting input by line.
* * Correctly locates visual studio install
* Added functionality to invoke vs via cmd
* Add option to execute the command line.
* Handle in ProcessUtil for windows -> WinHandle.
* Rename files slang-win-visual-studio-util.cpp/.h and slang-process-util.h
* First pass at unix/linux version of ProcessUtil.
* Fix reading Visual Studio path from the registry.
* Get compiling on linux with.
* Fix vcvarsall.bat name
* Use ProcessUtil to execute external code.
* Remove OSProcessSpawner.
* Remove includes for "os.h" where no longer needed.
* Fix tabbing issue in premake5.lua
Remove test code from slang-test-main.cpp
* Fix premake4.lua tabbing issue.
* Small fixes to slang-process-util.h
Init ExecuteResult on Win execute.
* Improve comments.
* Fix bug in StringUtil::calcLines - with oddly terminated source input being able to read past end.
Make slang-generate use StringUtil over it's own impl.
* Fix off by one bug in working out Visual Studio version.
* Fix bug in calculating Visual Studio Version
* Fix compilation on linux with string parameter being passed to messageFormat.
* Remove erroneous use of kOSError codes - use Result.
* First effort to generate standard compiler options.
* Initial efforts in compiling source code in test framework for VisualStudio.
* Testing compiling c code on VisualStudio on Windows.
* Fix warning on linux.
* Fix clang on linux warning (and therefore failing) returning a StringBuilder as String.
* Disable return-std-move on clang.
* CommandLine arguments are now tagged if they are escaped or not. That it is the clients responsibility to escape command lines that cannot be automatically escaped.
* Add checks on unix/linux that command line args are all unescaped.
* WIP getting runtime GCC to work.
* First pass compiler working on unix-like targets.
* Added File::remove function.
* Enable c-compile.c test on 'smoke'.
* WIP abstracting the CPP compiler concept.
* CPPCompilerSet and CPPCompilerUtil working on windows. Problem on unix.
* Used stdError for parsing of invoke of compiler to figure out verison.
* Removed some code that was no longer needed from slang-cpp-compiler.cpp
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* Work in progress to be able to invoke VS from within code.
* First pass at windows version of refactor of OSProcessSpawner
* Closer to getting VS path lookup working.
* Make OSString assignable/ctor able
* Work out program files directory directly, so don't have to expand %%.
* WIP: Improve handling of process spawning.
* Add support for splitting input by line.
* * Correctly locates visual studio install
* Added functionality to invoke vs via cmd
* Add option to execute the command line.
* Handle in ProcessUtil for windows -> WinHandle.
* Rename files slang-win-visual-studio-util.cpp/.h and slang-process-util.h
* First pass at unix/linux version of ProcessUtil.
* Fix reading Visual Studio path from the registry.
* Get compiling on linux with.
* Fix vcvarsall.bat name
* Use ProcessUtil to execute external code.
* Remove OSProcessSpawner.
* Remove includes for "os.h" where no longer needed.
* Fix tabbing issue in premake5.lua
Remove test code from slang-test-main.cpp
* Fix premake4.lua tabbing issue.
* Small fixes to slang-process-util.h
Init ExecuteResult on Win execute.
* Improve comments.
* Fix bug in StringUtil::calcLines - with oddly terminated source input being able to read past end.
Make slang-generate use StringUtil over it's own impl.
* Fix off by one bug in working out Visual Studio version.
* Fix bug in calculating Visual Studio Version
* Fix compilation on linux with string parameter being passed to messageFormat.
* Remove erroneous use of kOSError codes - use Result.
* First effort to generate standard compiler options.
* Initial efforts in compiling source code in test framework for VisualStudio.
* Testing compiling c code on VisualStudio on Windows.
* Fix warning on linux.
* Fix clang on linux warning (and therefore failing) returning a StringBuilder as String.
* Disable return-std-move on clang.
* CommandLine arguments are now tagged if they are escaped or not. That it is the clients responsibility to escape command lines that cannot be automatically escaped.
* Add checks on unix/linux that command line args are all unescaped.
* WIP getting runtime GCC to work.
* First pass compiler working on unix-like targets.
* Added File::remove function.
* Enable c-compile.c test on 'smoke'.
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* Work in progress to be able to invoke VS from within code.
* First pass at windows version of refactor of OSProcessSpawner
* Closer to getting VS path lookup working.
* Make OSString assignable/ctor able
* Work out program files directory directly, so don't have to expand %%.
* WIP: Improve handling of process spawning.
* Add support for splitting input by line.
* * Correctly locates visual studio install
* Added functionality to invoke vs via cmd
* Add option to execute the command line.
* Handle in ProcessUtil for windows -> WinHandle.
* Rename files slang-win-visual-studio-util.cpp/.h and slang-process-util.h
* First pass at unix/linux version of ProcessUtil.
* Fix reading Visual Studio path from the registry.
* Get compiling on linux with.
* Fix vcvarsall.bat name
* Use ProcessUtil to execute external code.
* Remove OSProcessSpawner.
* Remove includes for "os.h" where no longer needed.
* Fix tabbing issue in premake5.lua
Remove test code from slang-test-main.cpp
* Fix premake4.lua tabbing issue.
* Small fixes to slang-process-util.h
Init ExecuteResult on Win execute.
* Improve comments.
* Fix bug in StringUtil::calcLines - with oddly terminated source input being able to read past end.
Make slang-generate use StringUtil over it's own impl.
* Fix off by one bug in working out Visual Studio version.
* Fix bug in calculating Visual Studio Version
* Fix compilation on linux with string parameter being passed to messageFormat.
* Remove erroneous use of kOSError codes - use Result.
* First effort to generate standard compiler options.
* Initial efforts in compiling source code in test framework for VisualStudio.
* Testing compiling c code on VisualStudio on Windows.
* Fix warning on linux.
* Fix clang on linux warning (and therefore failing) returning a StringBuilder as String.
* Disable return-std-move on clang.
* CommandLine arguments are now tagged if they are escaped or not. That it is the clients responsibility to escape command lines that cannot be automatically escaped.
* Add checks on unix/linux that command line args are all unescaped.
* WIP getting runtime GCC to work.
* First pass compiler working on unix-like targets.
* Enable c-compile.c test on 'smoke'.
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* Work in progress to be able to invoke VS from within code.
* First pass at windows version of refactor of OSProcessSpawner
* Closer to getting VS path lookup working.
* Make OSString assignable/ctor able
* Work out program files directory directly, so don't have to expand %%.
* WIP: Improve handling of process spawning.
* Add support for splitting input by line.
* * Correctly locates visual studio install
* Added functionality to invoke vs via cmd
* Add option to execute the command line.
* Handle in ProcessUtil for windows -> WinHandle.
* Rename files slang-win-visual-studio-util.cpp/.h and slang-process-util.h
* First pass at unix/linux version of ProcessUtil.
* Fix reading Visual Studio path from the registry.
* Get compiling on linux with.
* Fix vcvarsall.bat name
* Use ProcessUtil to execute external code.
* Remove OSProcessSpawner.
* Remove includes for "os.h" where no longer needed.
* Fix tabbing issue in premake5.lua
Remove test code from slang-test-main.cpp
* Fix premake4.lua tabbing issue.
* Small fixes to slang-process-util.h
Init ExecuteResult on Win execute.
* Improve comments.
* Fix bug in StringUtil::calcLines - with oddly terminated source input being able to read past end.
Make slang-generate use StringUtil over it's own impl.
* Fix off by one bug in working out Visual Studio version.
* Fix bug in calculating Visual Studio Version
* Fix compilation on linux with string parameter being passed to messageFormat.
* Remove erroneous use of kOSError codes - use Result.
* First effort to generate standard compiler options.
* Initial efforts in compiling source code in test framework for VisualStudio.
* Testing compiling c code on VisualStudio on Windows.
* Fix warning on linux.
* Fix clang on linux warning (and therefore failing) returning a StringBuilder as String.
* Disable return-std-move on clang.
* CommandLine arguments are now tagged if they are escaped or not. That it is the clients responsibility to escape command lines that cannot be automatically escaped.
* Add checks on unix/linux that command line args are all unescaped.
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* Work in progress to be able to invoke VS from within code.
* First pass at windows version of refactor of OSProcessSpawner
* Closer to getting VS path lookup working.
* Make OSString assignable/ctor able
* Work out program files directory directly, so don't have to expand %%.
* WIP: Improve handling of process spawning.
* Add support for splitting input by line.
* * Correctly locates visual studio install
* Added functionality to invoke vs via cmd
* Add option to execute the command line.
* Handle in ProcessUtil for windows -> WinHandle.
* Rename files slang-win-visual-studio-util.cpp/.h and slang-process-util.h
* First pass at unix/linux version of ProcessUtil.
* Fix reading Visual Studio path from the registry.
* Get compiling on linux with.
* Fix vcvarsall.bat name
* Use ProcessUtil to execute external code.
* Remove OSProcessSpawner.
* Remove includes for "os.h" where no longer needed.
* Fix tabbing issue in premake5.lua
Remove test code from slang-test-main.cpp
* Fix premake4.lua tabbing issue.
* Small fixes to slang-process-util.h
Init ExecuteResult on Win execute.
* Improve comments.
* Fix bug in StringUtil::calcLines - with oddly terminated source input being able to read past end.
Make slang-generate use StringUtil over it's own impl.
* Fix off by one bug in working out Visual Studio version.
* Fix bug in calculating Visual Studio Version
* Fix compilation on linux with string parameter being passed to messageFormat.
* Remove erroneous use of kOSError codes - use Result.
* First effort to generate standard compiler options.
* Initial efforts in compiling source code in test framework for VisualStudio.
* Testing compiling c code on VisualStudio on Windows.
* Fix warning on linux.
* Fix clang on linux warning (and therefore failing) returning a StringBuilder as String.
* Disable return-std-move on clang.
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* Work in progress to be able to invoke VS from within code.
* First pass at windows version of refactor of OSProcessSpawner
* Closer to getting VS path lookup working.
* Make OSString assignable/ctor able
* Work out program files directory directly, so don't have to expand %%.
* WIP: Improve handling of process spawning.
* Add support for splitting input by line.
* * Correctly locates visual studio install
* Added functionality to invoke vs via cmd
* Add option to execute the command line.
* Handle in ProcessUtil for windows -> WinHandle.
* Rename files slang-win-visual-studio-util.cpp/.h and slang-process-util.h
* First pass at unix/linux version of ProcessUtil.
* Fix reading Visual Studio path from the registry.
* Get compiling on linux with.
* Fix vcvarsall.bat name
* Use ProcessUtil to execute external code.
* Remove OSProcessSpawner.
* Remove includes for "os.h" where no longer needed.
* Fix tabbing issue in premake5.lua
Remove test code from slang-test-main.cpp
* Fix premake4.lua tabbing issue.
* Small fixes to slang-process-util.h
Init ExecuteResult on Win execute.
* Improve comments.
* Fix bug in StringUtil::calcLines - with oddly terminated source input being able to read past end.
Make slang-generate use StringUtil over it's own impl.
* Fix off by one bug in working out Visual Studio version.
* Fix bug in calculating Visual Studio Version
* Fix compilation on linux with string parameter being passed to messageFormat.
* Remove erroneous use of kOSError codes - use Result.
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* Prefixing source files in source/slang with slang-
* Prefix source in source/slang with slang- prefix.
* Rename core source files with slang- prefix.
* Update project files.
* Fix problems from automatic merge.
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Previously, interface types were allowed to be used directly as function parameters, local variables, and global shader parameters.
Using an interface type as a field of a `struct` type or a `cbuffer` declaration was not implemented.
This change adds that support, and fixes several unrelated issues that caused problems in doing so.
* The most important work here was adding a case for `IRStructType` to `maybeSpecializeBindExistentialsType` that creates a specialized variant of a `struct` type on-demand based on specialization operands. This logic loops over the fields of the original struct, and creates new fields by binding the existentials/interfaces in the type of each field. Caching is used to ensure that the same `struct` type specialized to the same operands should yield the same result.
* To allow subsequent specialization to occur when a `struct` with interface-type fields is used, it was also necessary to specialize field-address and field-extract instructions in cases where the value that the field is being extracted from is a `wrapExistential`.
* Similarly, we neede to make sure that the logic for specializing called functions based on the concrete types for interfaces in the argument list would also take into account `struct` types with existential-type fields inside of them.
* Doing the above changes revealed some serious flaws in how the `ir-specialize.cpp` logic was tracking which instructions still needed to be processed. It had previously been assuming that it could assume any relevant instructions were on its work list, and when the work list went empty it could exit. This runs into two problems: (1) sometimes we create new instructions when specializing, and it may be impossible to ensure that all the new instructions (e.g., those created by utility routines in other files) get added to the work list, and (2) sometimes the instruction(s) that need to be re-visited when we specialize something aren't its direct users, but instead somethign that transitively depends on the instruction.
These issues were fixed by two changes to the pass: (1) we now maintain a list of known "clean" instructions instead of implicitly using the work-list as a list of "dirty" instructions (so that implicitly any new instruction is dirty), and periodically iterating over all instructions to add the non-clean ones to the work list for processing, and (2) when an instruction is specialized/replaced we mark everything that transitively depends on it "dirty" (by removing it from the "clean" list).
* Added some logic to "fix up" the type of an IR function after changes that might modify its parameter list. Failing to have this logic meant that certain types were still live (because they were referenced by a function type) that couldn't actually be emitted as legal HLSL/GLSL.
* Added some special cases to IR instruction creation for `wrapExistential` and `BindExistentialsType` so that they act as no-ops when there are no "slots" providing specialization information. This helps avoid some special cases when specializing structure fields (since some fields specialization and others don't, so in general there are zero or more operands specific to each field).
* Added a test case that uses an interface type in a `cbuffer`, as well as an interface type in a `struct` passed as an entry-point `uniform` parameter.
* Fixed up some parts of the `.natvis` files to reflect naming changes from a previous PR and thus restore some of the useful Visual Studio debugging experience for Slang.
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* A few changes required for application adoption of interface-type parameters
There are a few small changes here that are all related in that they arose from trying to integrate support for specialization via global interface-type shader parameters into a real application.
Allow querying the "pending" layout via reflection API
------------------------------------------------------
The naming here isn't ideal, and could probably use a round of "bikeshedding" to arrive at something better, but the basic idea is that when you have a type like:
```
struct MyStuff
{
int a;
IFoo foo;
int b;
}
```
the fields `a` and `b` get allocated space directly in the "primary" layout for `MyStuff` (at offsets 0 and 4, with `sizeof(MyStuff) == 8`), but the `foo` field can't be allocated space until we know what concrete type will get plugged in there.
If we have a concrete type in mind:
```
struct Bar : IFoo { int bar; }
```
then we can know how much space the `foo` field will take up, but we still can't allocate it space directly in `MyStuff`, because we already decided that `sizeof(MyStuff) == 8`.
Now imagine we place some `MyStuff` values into constant buffers:
```
cbuffer X {
MyStuff x;
}
cbuffer Y {
MyStuff y;
float4 z;
}
```
In each case we know that we want to place the `MyStuff::foo` field at the end of the containing constant buffer so that it doesn't disrupt the layout of the existing fields. But that means that the offset of `MyStuff::foo` relative to the start of the `MyStuff` isn't fixed, because of unrelated fields like `z` that need to get in between.
In our layout code, we handle this by having a notion of a "pending" layout. Once we know how `MyStuff::foo` will be specialized, we can compute both a "primary" and a "pending" layout for `MyStuff`, which basically treats it as if it were two distinct types:
```
struct MyStuff_Primary
{
int a;
int b;
}
struct MyStuff_Pending
{
Bar foo;
}
```
Layout for an aggregate type like the `X` or `Y` constant buffer then proceeds by computing an aggregate primary layout and an aggregate pending layout, and then finally a constant buffer or parameter block "flushes" all or part of the pending data by appending it to the primary data to get the final layout.
What all this means is that a type like `MyStuff` will have two different layouts (a default one for the primary data and a "pending" one for any specialized interface-type fields), and a variable like `Y::y` will also have two variable layouts that specify offsets (one set of offsets for its primary part, and one set of offsets for its pending part).
In order to handle interface-type fields with these layout rules, an application needs a way to query the "pending" part of a type or variable layout, which luckily gives it back just another type/variable layout. The API change here is minimal, although actually exploiting the new API correctly in application code could prove challenging.
Allow creating of explicitly specialized types
----------------------------------------------
This feature isn't actually implemented all the way through the compiler (I just needed enough to make the API calls go through), but I've added support for specializing a type that has interface-type fields through the reflection API. This maps to an `ExistentialSpecializedType` in the AST, and I'm lowering it to the IR as a `BindExistentialsType`, although that isn't 100% correct for the future.
This feature will require a future PR to actually flesh out the implementation work, but I'll wait until that is the sticking point on the application side before I do that.
Introduce a tiny `Hasher` abstraction
-------------------------------------
While implementing all the boilerplate for a new `Type` subclass (we really need to reduce that work...), I got fed up with how we do hash-code computation and introduced a small utility `Hasher` type that is intended to wrap up the idiom of combining hashes. For now this isn't a major change, but in the future I'd like to expand on the design a bit to clean up some of the warts around how we handle hashing:
* The `Hasher` implementation can and should switch from maintaining a single `HashCode` as its state to something that contains a more complete state (larger than the hash code) and just hashes new bytes into that state as it goes. This should make it possible to implement a `Hasher` for more serious hash functions, whether MD5, CityHash, or whatever we decide is good default.
* Things that are hashable shouldn't have a `getHashCode()` method, but instead should have something like a `hashInto(Hasher&)` method. This change would have the dual benefits that (1) a composite type can easily hash all the fields that contribute to its identity into the hasher with minimal fuss/boilerplate, and (2) the hashes for composite types will be of higher quality because they can exploit all the bits of the hasher's state to combine the fields, instead of restricting each sub-field to just the bits in a hash code.
We should be able to incrementally improve the quality of our design there over future changes, but for now it probably isn't a critical priority.
Fixes for legalization of existential types
-------------------------------------------
There were some missing cases in the handling of type legalization, such that a global interface-type shader parameter that got specialized to a type that contains *only* resource-type fields would cause a crash in the legalization step.
I added a test for this case, and then made `ir-legalize-types.cpp` account for this case (the code to handle it ias a bit of a kludge, and shows that the `declareVars()` routine there is getting to a level of complexity that is worrying.
* fixup: review feedback
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* * Fix warning in vk-swap-chain around use of Index. Rename _indexOf to _indexOfFormat.
* Rename IntSet to UIntSet and put in own files slang-uint-set.h.cpp. Use UInt as the held type.
* On UintSet setMax -> resizeAndClear. Doing so revealed bug in add.
* Closer following of conventions - use kPrefix for constants (even though held in 'enum')
* Small fixes/improvements
* * Add some documentation to UIntSet methods
* Use memset to set/reset bits
* Fix some tabbing.
Rename oldBufferSize -> oldCount
* Fix tabs.
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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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* * Moved CPU determination macros to slang.h
* Determine SlangUInt/SlangInt from the pointer width (determined from CPU macros)
* Removed the UnambiguousInt and UnambigousUInt types - as a previous fragile work around
* Removed UInt/Int definition from smart-pointer.h as now in common.h
* * Remove ambiguity for PrettyWriter and ints
* Improve comment around SlangInt/UInt
* More fixes around ambiguity with PrettyWriter and integral types.
* Disable VK on OSX.
* Define guids with inner braces.
* For glslang use linux ossource for macosx.
* Pull is ossource for OSX.
* Fix dll loading for OSX.
* Added how to build for OSX to building.md.
* Force CI to rebuild as spurious error.
* Improvements to the building.md documentation.
* Small doc fix.
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* * Moved CPU determination macros to slang.h
* Determine SlangUInt/SlangInt from the pointer width (determined from CPU macros)
* Removed the UnambiguousInt and UnambigousUInt types - as a previous fragile work around
* Removed UInt/Int definition from smart-pointer.h as now in common.h
* * Remove ambiguity for PrettyWriter and ints
* Improve comment around SlangInt/UInt
* More fixes around ambiguity with PrettyWriter and integral types.
* Disable VK on OSX.
* Force CI to rebuild as spurious error.
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* * Make Path:: use lowerCamel method names as per coding standard
* Small improvements to make closer to standard
* GetDirectoryName -> getParentDirectory - previous method name's action was somewhat unclear, hopefully this is better
* * Can build on clang and gcc on CygWin
* Fix problem on cygwin loading shared libraries
* Renamed Path::isRelative to ::hasRelativeElement because isRelative implies the path is 'relative to the current path' and which isn't quite what it does
* Documented how to build for CygWin
* * Fix small bug creating platform shared library name.
* Small typo fixes in building.md
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* Small improvements to make closer to standard
* GetDirectoryName -> getParentDirectory - previous method name's action was somewhat unclear, hopefully this is better
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* * Remove Makefile
* Document how to create build using premake5
* Added support for finding the executable path
* If binDir not set on command line use the executable path
* Fix getting exe path on linux.
* Removed CalcExecutablePath from Path:: interface, made implementation internal.
* Documentation improvements.
* Fixes based on review
* Fix some typos
* Removed unused/needed global
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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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lines (#885)
* * Check for inconsistent command line options for renderer
* Moved RenderApiUtil into core so can be used in slang-test
* Make it use the ShaderdLibrary for API testsing
* Added some simplifying functions to StringUtil for spliting/comparisons
* Refactored the synthesis of rendering tests so that inconsistent combinations are not produced
* Add missing slang-render-api-util.cpp & .h
* Stop warning on linux about _canLoadSharedLibrary not being used.
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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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* Make MemoryArena rewindable.
* Add test for rewinding MemoryArena
* Use memory rewinding in IRInst lookup instead of malloc/free.
* Small tidy.
* Don't bother recreating instruction if after lookup it's found it's new.
* Fix 32 bit signed compare issue.
* Improve documentation around MemoryArena.
* * Improve perf of test for hash expansion on Dictionary
* First attempt at TryGetOrAdd
* Improve comments around findOrEmitHoistableInst
* Removed template<T> from Dictionary.
Use TryGetValueOrAdd to findOrEmitHoistableInst
* Use TryGetValueOrAdd in findOrEmitHoistableInst
* Use Type thing = {} to initialize type over Type thing{} style.
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* Make MemoryArena rewindable.
* Add test for rewinding MemoryArena
* Use memory rewinding in IRInst lookup instead of malloc/free.
* Small tidy.
* Don't bother recreating instruction if after lookup it's found it's new.
* Fix 32 bit signed compare issue.
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* Replace dynamicCast with as where does not change behavior (ie not Type derived).
Use free function where scoping is clear.
* Replace uses of dynamicCast with as when there is no difference in behavior.
* Remove the IsXXXX methods from Type.
* Don't have separate smart pointer to store canonicalType on Type.
* Simplify Slang.FilteredMemberRefList.Adjust, such does the cast directly.
* Use free as where appropriate.
* Use free function version of casts where appropriate.
* Fix text in casting.md
* Fix typos in decl-refs.md
* Remove the uses of free function as on RefDecl.
Add 'canAs' to RefDecl as a way to test if a cast is possible.
Moved 'as' into RefDeclBase.
* Use 'is' to test for as cast on smart pointers.
Fix small scope issue.
* * Cache stringType and enumTypeType on the Session
* Make DeclRefType::Create return a RefPtr
* Make casting of result use the *method* .as (cos using free function would mean objects being wrongly destroyed)
* Make results from createInstance ref'd to avoid possible leaks.
* Fix typo in template parameter for is on RefPtr.
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* Made dynamicCast a free function.
* Replace As with as or dynamicCast depending on if it is a type.
* Fix problem with using non smart pointer cast.
* Removed legacy asXXXX methods.
* Remove As from Type.
* Removed As from Qual type -> made coercable into Type*, such that can just use free 'as'.
* Remove left over QualType::As() impl.
* Remove As from SyntaxNodeBase.
* Made as for instructions implemented by dynamicCast.
* Replace As on DeclRef. Use the global as<> to do the cast.
* Add const safe versions of dynamicCast and as for IRInst
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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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* * Added COMMAND_LINE_SIMPLE test type
* Made how spawning works controllable by paramter/type SpawnType
* Made break-outside-loop and global-uniform run command line slangc
* calcRelativePath -> calcCombinedPath
* Add 64 bit version of GetHash.
* Add support for Hash based mode for CacheFileSystem.
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* Added support for converting SlangResult to string in PlatformUtil.
* * Added reportExternalCompilerError
* Made external compilers use this
* Made DiagnosticSink accept UnownedStringSlice
* Made emitXXX compiler functions return SlangError
* Use smart pointers to handle life of Com interfaces
* * Make SlangResult compatible with HRESULT for some common cases.
* Make PlatformUtil::appendResult return SlangResult
* Compile check SLANG_RESULT.
* Add tests for checking diagnostics from external compilers.
* * Make external compiler tests only run on windows for now.
* Added 'windows' and 'unix' categories
* Added categories based on what backends are available. Will make more tests run on linux and handle case where dxcompiler is not available on appveyor.
* * Added spSessionCheckPassThroughSupport
* Use to determine whats available for categories for tests
* Add support for outputting source filename/s when using pass through.
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