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* Add command-line arguments to triangle example
- Add -h/--help flag to show usage information
- Add -api flag to select rendering API (d3d11 < /dev/null | d3d12|vulkan|metal|cpu|cuda|webgpu)
- Platform-specific API availability (D3D on Windows, Metal on macOS)
- Output works for both console and WIN32 applications
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* Port first gfx unit test to slang-rhi
* port triangle example to use slang-rhi
* port platform-test to slang-rhi
* Update platform-test to throttle mouse move events
* port gpu-printing example to use slang-rhi
* port model-viewer example to use slang-rhi
* port ray-tracing example to use slang-rhi
* port ray-tracing pipeline example to use slang-rhi
* port reflection parameter blocks example to use slang-rhi
* port shader-object example to use slang-rhi
* port shader-toy example to use slang-rhi
* Port most of tests to slang-rhi
* port link-time-constant-array-size to use slang-rhi
* Fix tests and find matching tests in slang-rhi
* port autodiff-texture
* remove gfx target; port nv-aftermath-example
* update include path for shader-cursor.h
* Disabled 2 more ported tests
* fix build error
* remove gfx test
* put slang-rhi (static-lib) before slang (shared)
* format code (#7621)
Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
* add debug callback
* format code (#7649)
Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
* Address review comments; revert back to use SLANG_CHECK_MSG
---------
Co-authored-by: slangbot <ellieh+slangbot@nvidia.com>
Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
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* examples: Log stack trace on exceptions
For now, this is only implemented on Windows.
This helps to address #5520.
* examples: Print log file if there is any
* format code
---------
Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
Co-authored-by: Yong He <yonghe@outlook.com>
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* Examples: Don't proceed if 'initializeBase' fails
* Examples: Only access gWindow if it's been initialized
* Examples: Free memory from CommandLineToArgvW
* Add example run step to CI
Lots of examples are still unexpectedly failing, but is one small step towards addressing
issue #5520.
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This stops adding the repo root to the include path for anything linking
with slang. This enabled a bunch of convenient includes, but might lead
to confusing behavior for anyone including slang. Not to mention
differences including it from an install vs source.
Co-authored-by: Yong He <yonghe@outlook.com>
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* format
* Minor test fixes
* enable checking cpp format in ci
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* Move the file public header files to `include` dir
Close the issue (#4635).
Move the following headers files to a `include` dir
located at root dir of slang repo:
slang-com-helper.h -> include/slang-com-helper.h
slang-com-ptr.h -> include/slang-com-ptr.h
slang-gfx.h -> include/slang-gfx.h
slang.h -> include/slang.h
Change cmake/SlangTarget.cmake to add include path to
every target, and change the source file to use
"#include <slang.h>" to include the public headers.
The source code update is by the script like follow:
```
fileNames_slang=$(grep -r "\".*slang\.h\"" source/ -l)
for fileName in "${fileNames_slang[@]}"
do
echo "$fileName"
sed -i "s/\".*slang\.h\"/\"slang\.h\"/" $fileName
done
```
* Fix the test issues
* Fix cpu test issues by adding include seach path
* Update cmake to not add include path for every target
Also change "#include <slang.h>" to "include "slang.h" " to
make the coding style consistent with other slang code.
* Change public include to private include for unit-test and slang-glslang
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* Various fixes to gfx.
* Fix.
* Fixes.
* Fix.
Co-authored-by: Yong He <yhe@nvidia.com>
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* Added instancing support to Vulkan, drawInstanced() test image is upside-down
* Fixed inverted drawInstanced() test output by changing Vulkan viewport convention
* Replaced vkCmdDraw with vkCmdDrawIndexed in all non-indirect indexed draws, drawIndexedIndirect test now working for Vulkan
* Moved index and vertex buffer binding into setIndexBuffer and setVertexBuffers; Defaulted countBuffer to nullptr and countOffset to 0 and added a check for non-null countBuffer to drawIndirect and drawIndexedIndirect in Vulkan; All Vulkan draw tests working (but D3D12 tests broken)
* Added support for drawInstanced and drawIndexedInstanced to D3D11 and added tests for both, however D3D11 tests are currently disabled due to readTextureResource assuming a fixed pixel size (among other possible problems); Fixed issues causing D3D12 tests to fail after major back-end fixes to get Vulkan up and running
* Removed testing function for dumping images and some other commented out code
* Removed some commented out code
* Fix initializer list causing builds to fail (attempt 1)
* Removed initializer list for VertexStreamDesc in createInputLayout() and fill in struct fields normally (build fix attempt 2)
* Removed default values from VertexStreamDesc and changed all initializer lists to reflect this change
* Moved applyBinding before setVertexBuffer in RenderTestApp::renderFrame() to ensure the pipeline has already been bound before vertex buffers are
* Changed D3D11's readTextureResource to calculate pixel size using format-specific size information; Removed wrapper around D3D11 instanced and indexed instanced draw tests
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Co-authored-by: Yong He <yhe@nvidia.com>
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* Format list updated with additional formats supported by both D3D and Vulkan; D3DUtil::getMapFormat() and VkUtil::getVkFormat() updated to include additional formats; GFX_FORMAT() updated with all additional formats (BC compression unfinished)
* Finished updating GFX_FORMAT with newly added formats and sizes; Pixel size is now tracked using the FormatPixelSize struct containing the values for bytes per block and pixels per block to accomodate BC formats; Updated gfxGetFormatSize and associated sub-calls to return FormatPixelSize instead of uint8_t; Most calls to gfxGetFormatSize() updated to reflect changes, a couple calls still unupdated
* Changes to accommodate new formats finished, debugging slang-literal unit test
* First format unit test working
* One test added for BC1Unorm and RGBA8Unorm_SRGB, both passing
* Refactored format testing code to merge BC1Unorm and RGBA8Unorm SRGB into a single file
* All unit tests added for BC and Srgb formats
* Most tests added and working; Added five additional formats (still need tests) and made the appropriate changes to support these; createTextureView() modified for D3D11, D3D12, and Vulkan to take into account the format specified in the texture view desc when the texture's format is typeless
* Format enums renamed to more closely match their D3D counterparts; Added a universal float and uint buffer and buffer view for use across all Format tests
* Remaining tests added; D3D12 tests pass, but Vulkan crashes in BC1_UNORM and D3D11 spits out a bunch of D3D11 Errors (but supposedly passes)
* re-run premake
* Added Sint versions of test shaders; Vulkan and D3D11 tests also pass
* Size struct for format unit tests no longer use initializer lists
* Fixed a Size struct missed in the previous pass
* Fixed minor bugs causing tests to fail
* Added documentation detailing all currently unsupported formats
* Skip tests causing unsupported format warnings due to swiftshader
* updated several test using old Format enum names
* Revert change to compareComputeResult() that was added for debugging purposes
* DEBUGGING: Added prints to identify which formats are failing on CI
* Reverted attempted debugging changes; Fixed texture2d-gather.hlsl to use updated Format enums
* Fixed incorrect array sizes in d3d11 _initSrvDesc()
* Commented out further tests that produce unexpected results when tested for Vulkan with swiftshader
* Revert "Merge branch 'expanded-format-support' of https://github.com/lucy96chen/slang into expanded-format-support"
This reverts commit 20008f0d3ecc3b1405ecac8c138edaa3cd37ed6b, reversing
changes made to 6081e95827315fee50e18409394d5abd62fac787.
* Added a fuzzy comparison function for use with floats
* submodule update
* Revert messed up changes caused by previous revert after automatically merging on github
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* Fix `model-viewer` crash when using Vulkan.
Fixing an issue in shader object layout creation for to make sure a correct descriptor set layout is calculated for types that need an implicit constant buffer.
* Fix formatting.
* Fixes.
* Fix memory leak in vulkan.
* Remove resource `Usage` from `gfx` interface.
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* Improve Vulkan shader-objects implementation.
1. Null bindings no longer crashes.
2. No longer copies push constants to staging CPU buffer before setting it into command buffer. The entry-point shader object now directly sets it into command buffer upon `bindObject` call.
* Update comments
* Fix
* Re-enable 3 tests.
Improved vulkan implementation so that each shader object is responsible for creating descriptor sets on-demand.
Fixed slang reflection to correctly report `ParameterBlock` binding.
* Fix gcc compile error.
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* Reimplement Vulkan shader objects.
This change reimplements Vulkan shader objects in the `gfx` layer so that it is no longer layered on top of the `DescriptorSet` abstraction. Since this is the last implementation that uses `DescriptorSet`, the change also removes all `DescriptorSet` related API from public `gfx` interface.
The Vulkan implementation now passes all test cases, but it still have two issues:
1. The PushConstant setting is not correct, this is because we don't seem to be able to get correct reflection data about the size of push constants for an entry-point.
2. The `shader-toy` example can't run on Vulkan, because it currently sets nullptr to `Texture` bindings, and this change doesn't properly handle setting resource to null in `ShaderObject`s yet. If we can use the `nullDescriptor` feature on vulkan, this implementation will be simple. However we still want to decide whether we want to use a Vulkan 1.2 feature for this.
* Fix up
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* Swapchain resize
* Fix.
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* Refactor window library.
* Fix project file
* Fix warnings.
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* Refactor `gfx` to surface `CommandBuffer` interface.
* Fixes.
* Fix code review issues, and make vulkan runnable on devices without VK_EXT_extended_dynamic_states.
* Update solution files
* Move out-of-date examples to examples/experimental
Co-authored-by: Yong He <yhe@nvidia.com>
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* Explicit swapchain interface in `gfx`.
* Correctly return nullptr when `IRenderer` creation failed.
* Fix crashes on CUDA tests.
* Cleanups.
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* Make gfx library visible to external user.
* Fixup
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* Make `gfx` compile to a DLL.
* Fix cuda
* Fix cuda build
* Bug gl screen capture bug.
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* COM-ify all slang-gfx interfaces.
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* Make `gfx::Renderer` a COM interface.
This is a first step towards making the `gfx` library expose a COM compatible DLL interface. Remaining classes will come as separate PRs.
* Fixup project files
* Fix calling conventions
* Make gfx::create*Renderer() functions increase ref count by 1
* Make renderer createFunc return via out parameter
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Co-authored-by: Yong He <yhe@nvidia.com>
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* "Shader Toy" example and related fixes
This change introduces a new `shader-toy` example program that is primarily designed to show how Slang's features for type-based encapsulation and modularity can be applied to modularity for effects along the lines of those from `shadertoy.com`.
The Example
-----------
The example is being checked in with an example "toy" effect that I hastily put together, so that it would not be encumbered with any IP concerns. I wrote the effect using the shadertoy.com editor, so I can be sure it is valid GLSL. During bringup of the application I used a pre-existing and larger effect for testing, so some of the support code that was added is not being used at present.
The big-picture idea here is to have an exmaple that shows how to modularize things using Slang interfaces and generics, and then to use the Slang compiler API to manage the compilation, composition, specialization, and linking steps. For better or worse this leads to the sequence of API calls involved being much longer than what was in something like the `hello-world` example.
Future Work (Example)
---------------------
There is a lot of room for improvement and expansion here, so this should be viewed as a checkpoint of work in progress rather than something I'm claiming as a finalized demonstration of all we'd like to achieve. Areas for future work include:
* We need to copy the integration of "Dear, IMGUI" that was already done for the `model-viewer` example so that this example can have a UI.
* Now that the compilation flow is broken into all these additional steps, it should be possible to have the application load multiple effects as distinct modules, and then provide a UI for switching between them. The chosen effect module would be used to specialize the top-level shader(s) before kernel generation.
* The checked-in logic includes a compute shader that can execute an effect, but that hasn't been tested nor has it been wired up to any kind of UI. We should have a way to switch between multiple execution methods, with a goal of eventually including CPU execution.
* The "GLSL compatibility" code needs a lot of improvements before it is likely to be usable for a nontrivial number of shaders. Some of that work is waiting on Slang compiler fixes, though.
* We should consider allowing the individual "toy" effects to define their own uniform parameters and expose those via a UI and reflection. The catch in this case is not that this would be difficult to do, but that it would be a semantic change to how shader toy effects currently work.
The Compiler Fixes
------------------
Doing this work exposed a few bugs in Slang, and this change includes fixes for the ones that were quick to address.
We already had logic in `slang-check-shader.cpp` that was validating the entry points in a compile request - either by checking the explicitly-listed entry points, or by scanning for `[shader("...")]` attributes. The problem is that the routine that did that checking was not being invoked on all compiles. The logic that handled entry points was only being run for manual compiles using `SlangCompileRequest`, while anything using `import` or `loadModule` would ignore entry points. I refactored the relevant code into a subroutine that will be invoked in all compilation scenarios.
There were already `TODO` comments in `SpecializedComponentType` which made the point about how a specialized entry point like `myShader<YourType>` would need to properly show that it has dependencies on both the module that defines `myShader` *and* the module that defines `YourType`, while only the former was being handled at present. I went ahead and implemented the logic to scan the generic arguments for a specialized compoment type in order to determine what module(s) the arguments depend on (both type arguments and witness tables). With that change, using `IComponentType::link` on a specialized component will properly pull in the module(s) that the generic arguments come from.
In `slang-ir-legalize-types.cpp` we could run into assertion failures in debug builds because of code trying to legalize layout `IRAttr`s for fields or parameters with types that need legalization. In practice it is safe to skip these layout attributes, because legalization of the fields/parameters they pertain to would result in creation of entirely new layout attributes, and the old ones would then be unreferenced.
Future Work (Fixes)
-------------------
There are other compiler bugs that this work exposed, but which this change does not address. These will need to be resolved as part of subsequent changes:
* Slang allows for default-initialization of variables of a generic type. That is, given `<T : ISomething>` a user is allowed to declare `T x = {};` and the Slang front-end does not complain. Instead, this leads to an internal compiler error during IR lowering.
* The Slang `__init()` feature probably needs to be upgraded to a properly supported feature, and we probably need a way to make implementing default-initialization an easy thing (e.g., any `struct` type that has initial-value expressions for all its fields should automatically and implicitly satsify an `init();` requirement declared in an interface)
* Iniside an `__init()` definition, code has mutable access to members of the enclosing type, but for some reason the front-end is incorrectly treating `this` as immutable in those contexts. As a result you can write to `someField` but not `this.someField`.
* User-defined operator overloads flat out don't work (which isn't surprising given that no clients have decided to use them yet, and we have no test coverage for them). This is actually due to the shadowing rules being used for lookup right now, so a fix for this issue is going to have far-reaching consequences around what overloads are visible where (and anything that impacts overload resolution is a big can of worms, including around performance).
* fixup: test case had missing main function
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