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- Change the `slang` project from a static library to a dynamic one
- Add some details around `slang.h` to make sure DLL export stuff is working
- Make the `slangc` executable use the dynamic library
- Rename the `glslang` sub-project to `slang-glslang` and move it into the main source hierarchy
- This reflects the fact that it isn't a stand-alone tool, and isn't in any way a standard binary of glslang, but rather just an artifact of how Slang uses glslang
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The basic syntax is:
$for(i in Range(0,99))
{
/* stuff goes here */
}
Note that the exact form is very restrictive. All that you are allowed to change is `i`, `0`, `99` or `/* stuff goes here */`.
As a tiny bit of syntax sugar, the following should work:
$for(i in Range(99))
{
/* stuff goes here */
}
Note that the range given is half-open (C++ iterator `[begin,end)` style).
Both the beginning and end of the range must be compile-time constant expressions that Slang knows how to constant-fold.
The implementation will basically generate code for `/* stuff goes here */` N times, once for each value in the half-open range.
Each time, the variable `i` will be replaced with a different compile-time-constant expression.
While I was working on a test case for this, I also found that our build of glslang had an issue with resource limits, so I fixed that.
Clients will need to build a new glslang to use the fix.
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Fixes #88
The code was using `glslang::TShader::setAutoMapLocations` as a workaround for an old glslang issue, but apparently this mode has a bug where it ends up applying a `location` layout to the implicitly-created `gl_PerVertex` definition (which shouldn't be allowed).
This change drops the call to `setAutoMapLocations` (and `setAutoMapBindings`) since it should no longer be required.
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Calling:
spSetDumpIntermedites(compileRequest, true);
will set up a mode where Slang tries to dump every intermediate HLSL, GLSL, DXBC, SPIR-V, etc. file it generates. If SPIR-V or DXBC is requested then we also dump assembly of those.
Right now the files are all named as `slang-<counter>.<ext>`, and get dropped in whatever the working directory is, but I'm open to ideas on how to improve that.
Note: this change introduces a new binary interface to `glslang`, so pulling it requires an updated `glslang.dll`.
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EntryPointResult/TranslationUnitResult, added helper functionality; Ensure null termination when printing raw data
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Some files seem to have been removed since I last sync'ed the glslang code.
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