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* [WGSL] make sure switch has a default label.
* Various WGSL fixes.
* Update rhi submodule commit
* format code
* Remove unnecessary DISABLE_TEST directive on not applicable test.
* Matrix comp mul + `select`.
* Legalize binary ops for wgsl.
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Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
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This change converts a large number of our existing tests to use the `ShaderObject` support that was added to the `gfx` layer.
In many cases, tests were just updated to pass `-shaderobj` and the result Just Worked.
In other cases, a `name` attribute had to be added to one or more `TEST_INPUT` lines.
For tests that did not work with shader objects "out of the box," I spent a little bit of time trying to get them work, but fell back to letting those tests run in the older mode.
Future changes to the infrastructure will be needed to get those additional tests working in the new path.
Along with the changes to test files, the following implementation changes were made to get additional tests working:
* Because the shader object mode uses explicit register bindings (from reflection), the hacky logic that was offseting `u` registers for D3D12 based on the number of render targets gets disabled (by another hack).
* The "flat" reflection information coming from Slang was not correctly reporting "binding ranges" for things that consumed only uniform data (which would be everything on CUDA/CPU), so it was refactored to properly include binding ranges for anything where the type of the field/variable implied a binding range should be created (even if the `LayoutResourceKind` was `::Uniform`).
* A few fixes were made to the CUDA implementation of `Renderer`, in order to get additional tests up and running. Most of these changes had to do with texture bindings, which hadn't really been tested previously.
In addition, a few changes were made that were attempts at getting more tests working, but didn't actually help. These could be dropped if requested:
* As a quality-of-life feature (not being used) the `object` style of `TEST_INPUT` line is upgraded to support inferring the type to use from the type of the input being set.
* Any `object` shader input lines get ignored in non-shader-object mode.
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* Change handling of strings for HLSL/GLSL targets
This change switches our handling of string literals and `getStringHash` to something that is more streamlined at the cost of potentially being less general/flexible.
* `String` is now allowed as a parameter type in user-defined functions
* `getStringHash` is now allowed to apply to `String`-type values that aren't literals
* The list of strings in an IR module is now generated during IR lowering as part of lowering a string literal expression, rather than being defined by recursively walking the IR of the module looking for `getStringHash` calls. The public API still refers to these as "hashed" strings, but they are realistically now "static strings."
* When emitting code for HLSL/GLSL, the `String` type emits as `int`, and `getStringHash(x)` emits as `x`.
In terms of implementation, the choice was whether to translate `String` over to `int` in an explicit IR pass, or to lump it into the emit pass. While adding the logic to emit clutters up an already complicated step, it is ultimately much easier to make the change there than to write a clean IR pass to eliminate all `String` use.
Note that other targets that can handle a more full-featured `String` type are *not* addressed by this change and thus do not support `String` at all. It may be woth emitting `String` as `const char*` on those targets, and emitting string literals directly, but the `getStringHash` function would need to be implemented in the "prelude" then, and we probably want to pick a well-known/-documented hash algorithm before we go that far.
This change also brings along some some clean-ups to the `gpu-printing` example, since it can now take advantage of the new functionality of `String`.
* Fix up tests for new string handling
* Add global string literal list to string-literal test (since we now list *all* static string literals and not just those passed to `getStringHash`)
* Disable `getStringHash` test on CPU, since we don't have a working `String` on that platform right now (only HLSL/GLSL)
Co-authored-by: Tim Foley <tim.foley.is@gmail.com>
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* WIP getStringHash
* Have a use.
* Add slang-string-hash.h/.cpp
* Use StringSlicePool for holding strings for StringHash.
Add outputBuffer to string-literal-hash.slang so value can be tested.
Ignore the GlobalHashedStringLiterals instruction on emit.
* Add all the hashed string literals to ProgramLayout.
* Add reflection support for hashed string literals to reflection test.
* Fix string literal hash test.
* Small fixes to pass test suite.
* Fix issue in serialization where IRUse is not correctly initialized.
* Fix problem initializing IRUse for string hash pass.
Remove hack from slang-ir-specialize - specially handling if user is not null.
* * Use shared builder when replacing getStringHash
* Comments for functions in slang-ir-string-hash
* Do not allow zero length string literals. Could be allowed, but doing so would require StringSlicePool to have a special case (or some other mechanism)
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