| Commit message (Collapse) | Author | Age |
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* Disable Dx12 half tests. The half-calc test runs, but is not actually doing any half maths. If the code is changed such that it is, the device fails when the shader is used. This can be seen by looking at dxil-asm.
* Fix using software driver for dx12 even when hardware is requested.
* * Refactor Dx12 _createAdapter such that it doesn't have side effects and stores desc information
* Disable half on dx12 software renderer because it crashes
* * Disable erroneous warnings from dx12
* Test for adapter creation
* Identify warp specifically
* Structured buffer test now works on dx12.
* Fix intemittent crash on dx12.
Due to if a resource was initialized with data, the actual resource constructed might be larger, for alignment issues. This led to a memcpy potentially copying from after the allocated source data and therefore a crash. Now only copies the non aligned amount of data.
* * Rename the test to use - style
* Disable TextureCube lookup in tests, as does not produce the correct result in dx12 (will fix in future PR)
* Updated hlsl.meta.slang.h that has rcp for glsl.
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The basic change is simple: remove support for all code generation paths other than the IR.
There is a lot of vestigial code left, but the main logic in `ast-legalize.*` is gone.
Doing this breaks a *lot* of tests, for various reasons:
- We can no longer guarantee exactly matching DXBC or SPIR-V output after things pass through out IR
- Many builtins don't have matching versions defined for GLSL output via IR (even when they had versions defined via the earlier approach that worked with the AST)
- A lot of code creates intermediate values of opaque types in the IR, which turn into opaque-type temporaries that aren't allowed (this breaks many GLSL tests, but also some HLSL)
I implemented some small fixes for issues that I could get working in the time I had, but most of the above are larger than made sense to fix in this commit.
For now I'm disabling the tests that cause problems, but we will need to make a concerted effort to get things working on this new substrate if we are going to make good on our goals.
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* Don't auto-enable IR use for compute tests
The `COMPARE_COMPUTE` and `COMPARE_RENDER_COMPUTE` test fixtures were set up to always enable the `-use-ir` flag on Slang, which precludes having any tests that confirm functionality on the old non-IR path (which is still required by our main customer).
This change adds the `-xslang -use-ir` flags explicitly to any compute test cases that left them out, and makes the fixture no longer add it by default.
* Continue building out parameter block support
The initial front-end logic for parameter blocks was already added, but they are still missing a bunch of functionality. This change addresses some of the known issues:
- Bug fix: don't try to emit HLSL `register` bindings for variables that consume whole register spaces/sets
- Overhaul type layout logic so that it can make decisions based on a given code generation target (currently passed in as a `TargetRequest`), which allows us to decide whether or not a parameter block should get its own register set on a per-target basis.
- Always use a register space/set for Vulkan
- Never use a register space/set for HLSL SM 5.0 and lower
- By default, don't use register spaces/sets for HLSL output
- Add a command-line flag and some "target flags" to enable register-space usage for D3D targets
- Hackily add initial support for parameter blocks in the AST-to-AST path
- This just blindly lowers `ParameterBlock<T>` to `T`, which shouldn't quite work
- A more complete overhaul will probably need to wait until the AST-to-AST legalization is changed to use the `LegalType`s from the IR legalization pass.
- Add a compute-based test case to actually run code using parameter blocks
- This file runs test cases both with and without the IR
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vertex/fragment shader pair, but instead of comparing the resulting framebuffer, it expects the test shader to write results into a UAV, and compares the pixel shader UAV output to the reference output.
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