| Commit message (Collapse) | Author | Age |
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* First pass of render-test refactor.
* Make window construction a function that can choose an implementation.
* Remove OpenGL as currently has windows dependency.
* Disable Vulkan as Renderer impl has dependency on windows.
* Pass Window in as parameter of 'update'.
* Add win-window.cpp as was missing.
* Fix warning on windows about signs during comparison.
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* List made members m_
Tweaked types to closer match conventions.
* Use asserts for checking conditions on List.
Other small improvements.
* List<T>.Count() -> getSize()
* List<T>
Add -> add
First -> getFirst
Last -> getLast
RemoveLast -> removeLast
ReleaseBuffer -> detachBuffer
GetArrayView -> getArrayView
* List<T>::
AddRange -> addRange
Capacity -> getCapacity
Insert -> insert
InsertRange -> insertRange
AddRange -> addRange
RemoveRange -> removeRange
RemoveAt -> removeAt
Remove -> remove
Reverse -> reverse
FastRemove -> fastRemove
FastRemoveAt -> fastRemoveAt
Clear -> clear
* List<T>
FreeBuffer -> _deallocateBuffer
Free -> clearAndDeallocate
SwapWith -> swapWith
* List<T>
SetSize -> setSize
Reserve -> reserve
GrowToSize growToSize
* UnsafeShrinkToSize -> unsafeShrinkToSize
Compress -> compress
FindLast -> findLastIndex
FindLast -> findLastIndex
Simplify Contains
* List<T>
Removed m_allocator (wasn't used)
Swap -> swapElements
Sort -> sort
Contains -> contains
ForEach -> forEach
QuickSort -> quickSort
InsertionSort -> insertionSort
BinarySearch -> binarySearch
Max -> calcMax
Min -> calcMin
* Initializer::Initialize -> initialize
List<T>::
Allocate -> _allocate
Init -> _init
IndexOf -> indexOf
* * Put #include <assert.h> in common.h, and remove unneeded inclusions
* Small refactor of ArrayView - remove stride as not used
* getSize -> getCount
setSize -> setCount
unsafeShrinkToSize->unsafeShrinkToCount
growToSize -> growToCount
m_size -> m_count
* Some tidy up around Allocator.
* Use Index type on List.
* Refactor of IntSet.
First tentative look at using Index.
* Made Index an Int
Did preliminary fixes.
Made String use Index.
* Partial refactor of String.
* String::Buffer -> getBuffer
ToWString -> toWString
* Small improvements to String.
String::
Buffer() -> getBuffer()
Equals() -> equals
* Try to use Index where appropriate.
* Fix warnings on windows x86 builds.
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* * Make adapter used selectable on the command line
* Added 'adapter' to Renderer::Desc with dx11, dx12, vk honoring it
* GL will check that the renderer matches, but cannot select a specific device
* Share functionality on dx adapter selection in D3DUtil
Note - that on tests that use OpenGL and the adapter doesn't match it will ignore the test (and display a message that the appropriate device couldn't be started)
* Small function name improvement.
* Variable rename to match type.
* Fix typo in Dx12 device selection.
* * Add checking if an adapter is warp
* Improve some comments
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* Look at getting half to work on vk.
* Alter half test so can always produce consistent test results.
* First pass working half on vk.
* Improve comments for vulkan extensions around half.
* Upgraded vulkan headers to v1.1.103
https://github.com/KhronosGroup/Vulkan-Headers
* * Add getFeatures on Render interface
* Vulkan renderer determines at startup if it can support half
* Parse render-features on render-test
* Small changes to half-calc.slang test.
* Structured buffer half access works as expected for Vk, but isn't for dx12, so disable for now.
* Require the half feature for renderers for the half-structured-buffer.slang test.
* * Added ToolReturnCode to be more rigerous about how a return code is passed back from a tool
* Added support for a tool being able to pass back an 'ignored' result.
* Used enum codes to indicate meanings
* Made spawnAndWait return a ToolReturnCode
* Ignore tests that don't have required render-feature
* Fix macro line continuation usage.
* Check dx12 has half support.
* Checking for half on dx12 - if CheckFeatureSupport fails, don't fail renderer initialization.
* Fix typo.
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* Fix up handling of NumElements for D3D buffer views
For everything but structured buffers we'd been setting this to the size in bytes, but that isn't really valid at all.
The `NumElements` member in the view descs is supposed to be the number of buffer elements, so it would be capped at the byte size divided by the element size.
This change fixes the computation of `NumElements` to take the size of the format into account for non-structured views.
For the "raw" case, we use a size of 4 bytes since that matches the `DXGI_FORMAT_R32_TYPELESS` format we use (which seems to be required for raw buffers).
I also added support for the raw case for SRVs where it didn't seem to be supported before (not that any of our tests cover it).
* Fix handling of size padding for D3D11 buffers
The existing code was enforcing a 256-byte-aligned size for all buffers, but this can cause problems for a structured buffer.
A structured buffer must have a size that is a multiple of the stride, so a structured buffer with a 48-byte stride and a 96-byte size would get rounded up to 256 bytes, which is not an integer multiple of 48.
This change makes it so that we only apply the padding to constant buffers.
According to MSDN, constant buffers only require padding to a 16-byte aligned size, and no other restrictions are listed for D3D11, but it is difficult to know whether those constrains are exhaustive.
I've left in the 256-byte padding for now (rather than switch to 16-byte), even though I suspect that was only needed as a band-aid for the `NumElements` issue fixed by another commit.
* Fix an IR generation bug when indxing into a strutured buffer element
The problem here arises when we have a structured buffer of matrices (an array type would likely trigger it too):
```hlsl
RWStructuredBuffer<float3x4> gMatrices;
```
and then we index into it directly, rather than copying to a temporary:
```hlsl
// CRASH:
float v = gMatrices[i][j][k];
// OKAY:
float3x4 m = gMatrices[i];
float v = m[j][k];
```
The underlying issue is that our IR lowering pass tries to defer the decision about whether to use a `get` vs. `set` vs. `ref` accessor for a subscript until as late as possible (this is to deal with the fact that sometimes D3D can provide a `ref` accessor where GLSL can only provide a `get` or `set`).
We probably need to overhaul that aspect of IR codegen sooner or later, but this change uses some of the existing machinery to try to force the `gMatrices[i]` subexpression to take the form of a pointer when doing sub-indexing like this. This fixes the present case, and hopefully shouldn't break anything else that used to work (because the subroutines I'm using to coerce the `gMatrices[i]` expression should be idempotent on the cases that were already implemented).
* Add a test case to confirm fxc/dxc layout for structured buffers of matrices
Even when row-major layout is requested globally, fxc and dxc seem to lay out a `StructuredBuffer<float3x4>` with column-major layout on the elements.
This commit adds a test that confirms that behavior.
This commit does not try to implement a fix for the issue (either fixing Slang's layout reflection information to be correct for what fxc/dxc do in practice, or fixing Slang's HLSL output to work around the fxc/dxc behavior), but just documents the status quo.
If/when we decide how we'd like to handle the issue long-term, this test can/should be updated to match the decision we make.
* fixup: build breakage on clang/gcc
This is one of those cases where the Microsoft compiler is letting through some stuff that isn't technically valid C++ ("delayed template parsing").
Fixed by just moving some declarations to earlier in the file.
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* Fix typo on return type.
* * Inverted order of FlagCombiner (to make more 'nested for' like)
* On Dx12 just use D3D_FEATURE_LEVEL_11_0
* Fix typo on dll name
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* Added CombinationUtil to produce combinations of flags
Used in Dx11 device creation making it fall back to release driver if debug driver is not found
* Made dx12 renderer startup similar to dx11 - testing multiple configs.
* Small improvements in naming.
* * Moved functionality to gfx from core
* Use FlagCombiner to simplify construction, and can be iterated over, without need for array
* Share DeviceCheckFlags
* Improve comments.
* Re-add the comment about combinations tested to set up dx11 device.
* More comment improvements.
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* Remove circular reference to renderer on Vk & D3D12 DescriptorSetImpl
* Refactor Stbi image loading such that memory is correctly freed when goes out of scope.
Added Crt memory dump at termination.
Reduced erroneous reporting by scoping TestContext.
* Used capitalized acronym for STBImage to keep Tim happy.
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* Try using hardware device before reference on dx11
* Output error string on renderer construction failure
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* * Remove dispose from IRInst
* Use MemoryArena instead of MemoryPool
* Make all IRInst not require Dtor - by having ref counted array store ptrs that need freeing
* Increase block size - typically compilation is 2Mb of IR space(!)
* Fix issues around StringRepresentation::equal because null has special meaning.
* Don't bother to construct as String to compare StringRepresentation, just used UnownedStringSlice.
* Added fromLiteral support to UnownedStringSlice and use instead of strlen version.
* Use more conventional way to test StringRepresentation against a String.
* Fix gcc/clang template problem with cast.
* Fix warnings.
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This isn't being made visible just yet, but it will allow us to have a simple UI for loading models into the model-viewer example.
In order to support rendering with IMGUI I had to add the following to the `Renderer` layer:
* viewports
* scissor rects
* blend support
These are really only fully implemented for D3D11, but adding them to the other back-ends should be a reasonably small task.
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The original goal here was to bring up a second example program: `model-viewer`.
While the existing `hello-world` example is enough to get somebody up to speed with the basics of the Slang API (as a drop-in replacement for `D3DCompile` or similar), it doesn't really show any of the big-picture stuff that Slang is meant to enable.
There wasn't any use of D3D12/Vulkan descriptor tables/sets, and there wasn't any use of interfaces, generics, or `ParameterBlock`s in the shader code.
The `model-viewer` example addresses these issues. Its shader code involves generics, interfaces, and multiple `ParameterBlock`s, and the host-side code demonstrates a few key things for working with Slang:
* There is an application-level abstraction for parameter blocks, that combines the graphics-API descriptor set object with Slang type information
* There is a shader cache layer used to look up an appropriate variant of a rendering effect by using parameter block types to "plug in" global type variables
* There is a clear separation between the phases of compilation: a first phase that does semantic checking and enables reflection-based allocation of graphics API objects, followed by one or more code generation passes for specialized kernels.
This example is certainly not perfect, and it will need to be revamped more going forward. In particular:
* The output picture is ugly as sin. We need a plan for how to get this to load better content, perhaps even popping up an error message to note that the required input data isn't present in the basic repository.
* The shader code is too simplistic. There isn't any real material variety, and the `IMaterial` abstraction is completely wrong.
* The use of parameter blocks is facile because there are no resource parameters right now. Fixing that will likely expose issues around interfacing with Slang's reflection API.
* The whole example exposes the issue that Slang's current APIs aren't really designed for the benefit of two-phase compilation (since our many client application has been stuck on one-phase compilation).
* Global type parameters are actually a Bad Idea that we only did for compatibility with existing codebases. We should not be showing them off in an example of the Right Way to use Slang, but the language support for type parameters on entry points is still not complete.
Of course, the majority of the changes here are *not* inside the example applications, and instead involve a major overhaul of the `Renderer` abstraction that is used for both tests and examples. The main thrust of the change is to make the abstraction layer be closer to the D3D12/Vulkan model than to a D3D11-style model. This is important for the `model-viewer` example, since it aspires to show how Slang can be incorporated into a renderer that targets a modern API. The most important bit is actually the use of descriptor sets and "pipeline layouts" a la Vulkan, since without these Slang's `ParameterBlock` abstraction won't make a lot of sense.
Implementation of the abstraction for the various APIs has very much been on an as-needed basis. The current implementation is just enough for the two examples to work, plus enough to get all the tests to pass in both debug and release builds on Windows.
A big missing feature in the API abstraction right now is memory lifetime management. The code had been trending toward something D3D11-like where a constant buffer could be mapped per-frame with the implementation doing behind-the-scenes allocation for targets like D3D12/Vulkan. I'd like to shift more toward a model of just exposing "transient" allocations that are only valid for one frame, because these are more representation of how an efficient renderer for next-generation APIs will work. That transition isn't actually complete, though, so there are problems with the existing examples where `hello-world` is actually scribbling into memory that the GPU might still be using, while `model-viewer` is doing full-on heavy-weight allocations on a per-frame basis with no real concern for the performance implications.
All together, there are a lot of things here that need more work, but this branch has been way too long-lived already, and so I'd like to get this checked in as long as all the tests pass.
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