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* Fix and enable tests for metal.
* Fix.
* Fix.
* Fix tests.
* Fix warnings.
* Fix.
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Co-authored-by: Yong He <yonghe@Yongs-Mac-mini.local>
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* Warning on bool to float conversion.
* Fix test cases.
* Improve.
* LanguageServer: don't show constant value for non constant variables.
* Fix tests.
* Fix warnings in tests.
Co-authored-by: Yong He <yhe@nvidia.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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When using row-major layout (via command-line or API option), the following sort of declaration:
```hlsl
StructuredBuffer<float4x4> gBuffer;
... gBuffer[i] ...
```
Generates unexpected results when compiled to DXBC via fxc or DXIL via dxc, because the fxc/dxc compilers do not respect the matrix layout mode in this specific case (a structured buffer of matrices). Instead, they always use column-major layout, even if row-major was requested by the user.
A user can work around this behavior by wrapping the matrix in a `struct`:
```hlsl
struct Wrapper { float4x4 wrapped; }
SturcturedBuffer<Wrapper> gBuffer;
... gBuffer[i].wrapped ...
```
This change simply automates that workaround when compiling for an HLSL-based downstream compiler, so that we get the same behavior across all our backends.
The change adds a test case to confirm the behavior across multiple targets, but it turns out we also had a test checked in that confirmed the buggy (or at least surprising) fxc/dxc behavior, so that one had its baselines changed and can work as a regression test for this fix as well.
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