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* WIP: Improving CPU performance/ABI
* Optionally output code on CPU for groupThreadID and groupID.
* Added ability to set compute dispatch size on command line for render-test.
Dispatch compute tests taking into account dispatch size.
Added test for semantics are working.
* Test using GroupRange.
* Fix problem with adding \n for externa diagnostic - to do it if there isn't a \n at the end. Change the ouput order (put result before) so last value is diagnostic string.
* Made GroupRange the default exposed CPU ABI entry point style.
Removed CPU_EXECUTE test style -as tested via the now cross platform render-test
* Split out execution from setup for execution to improve perf.
* For better code coverage/testing test all styles of CPU compute entry point.
* Improve documentation for ABI changes for CPU code.
Add 'expecting' to error message from review.
* Fix small typos.
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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.
* Better handling of swizzling - allow swizzling a scalar into a vector.
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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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