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2025-07-31Handle debug-layer messages in a separate channel (#7988)Jay Kwak
* Handle debug-layer messages in a separate channel The Problem (Issue #7343) The issue was that Vulkan Validation Layer error messages were being mixed into regular test output, causing potential false positives or negatives. When using -enable-debug-layers true, validation messages would appear in the same output stream as test results, potentially matching //CHECK: patterns incorrectly. Example Problem: - Test expects: //CHECK: 1 - Validation layer prints: VALIDATION ERROR: 1 invalid buffer binding - Test incorrectly matches the "1" in the error message instead of the actual output Slang Test Communication Architecture Execution Modes Slang has 3 different execution modes controlled by SpawnType: enum class SpawnType { UseSharedLibrary, // In-process execution UseTestServer, // Out-of-process via persistent server UseFullyIsolatedTestServer, // Out-of-process via isolated server UseExe // Direct executable spawn } 1. In-Process Mode (UseSharedLibrary) ┌─────────────────────────────────────────┐ │ slang-test │ │ ┌─────────────┐ ┌─────────────────┐ │ │ │render-test │ │gfx-unit-test │ │ │ │unit-test │ │slangc library │ │ │ └─────────────┘ └─────────────────┘ │ │ │ │ │ │ └───► StdWriters ◄──┘ │ │ (shared) │ └─────────────────────────────────────────┘ - Communication: Direct function calls, shared memory - Debug callbacks: Single callback instance in StdWriters - Used when: Default mode for most tests 2. Out-of-Process Mode (UseTestServer) ┌──────────────────┐ JSON-RPC ┌──────────────────┐ │ slang-test │◄──over pipes────┤ test-server.exe │ │ │ │ │ │ ┌─────────────┐ │ │ ┌─────────────┐ │ │ │StdWriters │ │ │ │render-test │ │ │ │+debug │ │ │ │gfx-unit-test│ │ │ │callback │ │ │ │+debug │ │ │ └─────────────┘ │ │ │callback │ │ └──────────────────┘ │ └─────────────┘ │ └──────────────────┘ - Communication: JSON-RPC over stdin/stdout pipes - Debug callbacks: Separate instances in each process - Used when: CI/CD, multi-threaded testing, crash isolation 3. Direct Executable Mode (UseExe) ┌──────────────────┐ pipes ┌──────────────────┐ │ slang-test │◄───────────────┤ slangc.exe │ │ │ │ other tools │ └──────────────────┘ └──────────────────┘ - Communication: Standard process pipes (stdout/stderr) - Debug callbacks: None (external executables) - Used when: Testing external tools Communication Mechanisms Deep Dive JSON-RPC Protocol Over Pipes The test-server.exe communicates with slang-test using JSON-RPC over stdin/stdout pipes: // Parent process (slang-test) creates child with pipes Process* testServerProcess = /* spawn test-server.exe */; // JSONRPCConnection wraps the pipe communication JSONRPCConnection connection; connection.initWithStdStreams(); // Uses stdin/stdout pipes // Send RPC call TestServerProtocol::ExecutionResult result; connection.sendCall("executeTool", &args, &result); Key Point: The pipes carry structured JSON messages, not raw stdout/stderr. This is what enables clean separation of different data channels. Protocol Structure Your changes extend the ExecutionResult protocol: struct ExecutionResult { String stdOut; // Regular program output String stdError; // Error messages String debugLayer; // NEW: Debug/validation messages int32_t result; int32_t returnCode; }; Your Debug Layer Solution The Challenge Memory pointers cannot cross process boundaries. A debugCallback pointer in the parent process is meaningless in the child process. The Solution: String-Based Serialization You solved this by using string capture and serialization: 1. Debug Callback Interface (slang-std-writers.h) class IDebugCallback { virtual void handleMessage( DebugMessageType type, DebugMessageSource source, const char* message) = 0; }; 2. String-Capturing Implementation (slang-support.h) class CoreDebugCallback : public Slang::IDebugCallback { StringBuilder m_buf; // Captures messages as strings void handleMessage(DebugMessageType type, DebugMessageSource source, const char* message) { if (type == DebugMessageType::Error) { m_buf << message << '\n'; // Serialize to string } } String getString() { return m_buf.toString(); } // Extract accumulated messages }; 3. Bridge Between RHI and Core (slang-support.h) class CoreToRHIDebugBridge : public rhi::IDebugCallback { Slang::IDebugCallback* m_coreCallback; void handleMessage(rhi::DebugMessageType type, rhi::DebugMessageSource source, const char* message) { // Convert RHI types to core types and forward m_coreCallback->handleMessage(convertType(type), convertSource(source), message); } }; Data Flow: Debug Messages End-to-End In-Process Mode Flow GPU Driver → RHI Debug Callback → Core Debug Callback → String Buffer → Test Output Out-of-Process Mode Flow Child Process: GPU Driver → RHI Debug Callback → Core Debug Callback → String Buffer ↓ Parent Process: JSON-RPC Serialization Test Output ← String Processing ← ExecutionResult.debugLayer ←┘ Step-by-Step Example 1. Test Execution Starts // In test-server process CoreDebugCallback debugCallback; CoreToRHIDebugBridge bridge; bridge.setCoreCallback(&debugCallback); // Set up graphics device with debug layers deviceDesc.debugCallback = &bridge; 2. Graphics API Call Triggers Validation Error // Inside Vulkan driver (external code) // Validation layer detects error and calls our callback bridge.handleMessage(RHI_ERROR, RHI_LAYER, "Invalid buffer binding"); 3. Message Capture // In CoreDebugCallback::handleMessage m_buf << "Invalid buffer binding\n"; // Stored in string buffer 4. Test Completion & Serialization // Back in test-server TestServerProtocol::ExecutionResult result; result.debugLayer = debugCallback.getString(); // "Invalid buffer binding\n" result.stdOut = "1"; // Regular test output // Send via JSON-RPC connection.sendResult(&result); 5. Parent Process Receives & Separates Output // In slang-test process String output = buildTestOutput(result); // Results in clean separation: // standard output = { // 1 // } // debug layer = { // Invalid buffer binding // } Why This Solution Works 1. Process Isolation: Each process has its own callback objects, no shared pointers 2. String Serialization: Debug messages converted to strings that can cross process boundaries 3. Protocol Extension: Uses existing JSON-RPC infrastructure, just adds new field 4. Clean Separation: Debug messages never mix with stdout/stderr 5. Backward Compatibility: Existing tests unaffected, debug layer field optional Key Benefits - Eliminates False Positives: Debug messages can't interfere with //CHECK: patterns - Better Debugging: Debug messages clearly separated and labeled - Robust Architecture: Works across all execution modes - Minimal Changes: Leverages existing communication infrastructure This elegant solution transforms a fundamental cross-process communication challenge into a simple string serialization problem, using the existing test server architecture to cleanly separate validation layer messages from test results. * Cover the missing slang-test execution path * format code (#82) Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com> --------- Co-authored-by: slangbot <ellieh+slangbot@nvidia.com> Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
2025-07-19Fix D3D12 test failure without Windows Developer mode (#7831)Gangzheng Tong
* Fix D3D12 test failure without Windows Developer mode Add Windows Developer mode detection for D3D12 experimental features. D3D12 Agility SDK requires Developer mode when using experimental features like D3D12ExperimentalShaderModels. Without this check, device creation fails silently. Changes: - Add isWindowsDeveloperModeEnabled() function to check registry - Add developer mode check before enabling experimental features - Provide clear error message with instructions to enable Developer mode - Return SLANG_E_NOT_AVAILABLE to gracefully fail tests Fixes #6819 Co-authored-by: Gangzheng Tong <gtong-nv@users.noreply.github.com> * Add more regkey checks to cover the developer mode detections in multile Windows versions --------- Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com> Co-authored-by: Gangzheng Tong <gtong-nv@users.noreply.github.com>
2025-06-19Enabling optix ci pipeline (#7311)Harsh Aggarwal (NVIDIA)
* Revert "Disable OptiX tests by default. (#1331)" This reverts commit e45f8c1f49855cebe90b6722324ec24146ff5a3d. * Enable optix submodule to build Add support for default entry points in compilation Implemented logic to check for defined entry points in the module when no explicit entry points are provided. If found, these entry points are added to the `specializedEntryPoints` list, with the assumption that no specialization is needed for them at this time. * Disable optix if cuda is not enabled * Add submodule OptixSDK path in search * Distinguish user-explicit vs auto-detected SLANG_ENABLE_OPTIX When SLANG_ENABLE_OPTIX is explicitly set by user and CUDA is not available, show SEND_ERROR to maintain strict validation. When OptiX is auto-detected (e.g., local submodule present) but CUDA unavailable, gracefully disable with STATUS message to allow builds to continue. This addresses review feedback to keep error for explicit requests while handling auto-detection gracefully. * Apply CMake formatting to SLANG_ENABLE_OPTIX validation logic * revert: slang-rhi changes as those are merged independently as in PR # slang-rhi#400
2025-06-18Fix additional VVL violations (#7377)Gangzheng Tong
* fix: add sampleCount and mipMaps to st2DMS_f32v4 Fix VUID-VkImageCreateInfo-samples-02257: The Vulkan spec states: If an OpTypeImage has an MS operand 1, its bound image must not have been created with VkImageCreateInfo::samples as VK_SAMPLE_COUNT_1_BIT * Fix VUID-VkShaderModuleCreateInfo-pCode-08740 Rename VK_KHR_COMPUTE_SHADER_DERIVATIVES_EXTENSION_NAME to VK_NV_COMPUTE_SHADER_DERIVATIVES_EXTENSION_NAME * fix: add sampleCount and mipMaps to st2DMS_f32v4 Fix VUID-VkImageCreateInfo-samples-02257: The Vulkan spec states: If an OpTypeImage has an MS operand 1, its bound image must not have been created with VkImageCreateInfo::samples as VK_SAMPLE_COUNT_1_BIT * Fix VUID-VkShaderModuleCreateInfo-pCode-08740 Rename VK_KHR_COMPUTE_SHADER_DERIVATIVES_EXTENSION_NAME to VK_NV_COMPUTE_SHADER_DERIVATIVES_EXTENSION_NAME * Fix VUID-vkCmdDispatch-None-06479 Use correct format for combined depth texture. * Fix VUID-vkCmdDispatch-format-07753 by setting format Parse filtering mode for sampler because the RGBA8* formats do not support linear filtering * Create MS texture type for sample count > 1 * Use different texture formats for depth compare and gather ops * Use clearTexture for init the data for MS textures
2025-06-06Update slang-rhi (#7303)Simon Kallweit
* update slang-rhi * adapt to new slang-rhi API * enable slang-rhi agility sdk * fix handling empty list * disable failing slang-rhi tests * format code * fix slang-rhi-tests ci step * skip running slang-rhi-tests --------- Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
2025-06-02Add a new slang-test option `-enable-debug-layers` (#7300)Jay Kwak
* Add a new slang-test option `-enable-debug-layers` A variable `disableDebugLayer` is renamed to `enableDebugLayers`, and a corresponding command-line argument is added, `-enable-debug-layers`. The previous option `-disable-debug-layer` is still available, but it prints a deprecation warning message. The reason why it is added is to make the option available to both Debug and Release. On Debug build, it will be enabled by default, and it will be disabled on Release build. We should be able to not only disable it, but also enable it on Release build. Ideally this option should be enabled all the time, but currently there are too many VUID error messages printed and we are enabling only for Debug build for now. Note that the CI/CD will run with the option disabled until we resolve all of VUID errors.
2025-05-16Fix broken -emit-spirv-via-glsl test option (#7091)sricker-nvidia
Fixes issue #6898 The -emit-spirv-via-glsl slang-test option has been broken for some amount of time. Tests that were using it were operating as if using -emit-spirv-directly, leading to many duplicated tests. After fixing the test option, there were an number of errors that appeared as a result. This change fixes the broken test option and the resulting test errors. Some of the test errors revealed some legitimate issues, such as: -The GLSL bitCount instrinsic only supports 32-bit integers and requires emulation for other bit widths. -Emitting GLSL 8-bit and 16-bit glsl integer types did not emit the proper extension requirements -Emitting GLSL and casting for 16-bit integers was missing a closing parenthesis. -Missing profile for GL_EXT_shader_explicit_arithmetic_types -Missing toType cases for UInt8/Int8 for the kIROp_BitCast case in tryEmitInstExprImpl.
2025-05-12Cleanups related to RIFF support (#7041)Theresa Foley
2025-05-11Add a new option "-capability" to slang-test and render-test (#7054)Jay Kwak
2025-04-25Update spirv-tools to for SDK v2025.2 (#6893)Gangzheng Tong
* Update spirv-tools to for SDK v2025.2 Fixes: #6850 * bump spirv version to 1.4 for op linkage * skip-spirv-validation for coop mat * add skip-spirv-validation option to slang session desc * use SPV_ENV_UNIVERSAL_1_6 for spirv-tool env target Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com> --------- Co-authored-by: slangbot <ellieh+slangbot@nvidia.com> Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
2025-04-24update slang-rhi (#6587)Simon Kallweit
* update slang-rhi submodule * slang-rhi API changes * disable agility sdk * fix texture creation * update formats in tests * Extent3D rename * use 1 mip level for 1D textures for Metal * fix texture upload * update to latest slang-rhi * update slang-rhi * format code * update slang-rhi * do not run texture-intrinsics test on metal * update slang-rhi * deal with failing tests * fix more tests * update slang-rhi --------- Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com> Co-authored-by: Simon Kallweit <simon.kallweit@gmail.com>
2025-03-12Migrate render-test away from deprecated compile request API (#6514)Anders Leino
* Add a simple interface parameter test Since there's no documentation, it's nice to have a simple test case in order to experiment with this feature of the testing framework. * Add shader entry point attributes to tests * Fix specialization arguments for tests - Add some missing arguments - Rremove one extraneous argument. * Stop using deprecated compile request in render-test Use a session object instead of the deprecated compile request object. This closes issue #4760.
2025-02-28Prepare for render test api migration (#6498)Anders Leino
* Remove tests/compute/dump-repro The -load-repro option is no longer maintained. This helps to address issue #4760. * Rename ShaderCompilerUtil::Output::session to globalSession * Remove the load-repro codepath * Lifetime bugfix
2025-02-27update slang-rhi (shader object refactor) (#6251)Simon Kallweit
* remove unused resource * define buffer data * add vs2022 build presets * update slang-rhi API usage * update slang-rhi --------- Co-authored-by: Yong He <yonghe@outlook.com>
2025-02-21Fix slang raytracing test (#6404)ksavoie-nv
* Plumb raytracing shaders through render-test-main RenderTestApp is missing handling for RayTracing in a few places. * fixup formatting * enable optix test category by default * Revert "enable optix test category by default" This reverts commit d142068058a827843fd7ebcf89a6ec252fd3c69a. --------- Co-authored-by: cheneym2 <acheney@nvidia.com>
2025-02-19Show adapter info in slang-test (#6388)cheneym2
When -show-adapter-info is provided to slang-test, there is a subsequent pass over all available APIs to ask render-api to show which adapter will be used. > .\slang-test.exe -show-adapter-info Supported backends: fxc dxc glslang spirv-dis clang visualstudio genericcpp nvrtc llvm spirv-opt tint Check vk,vulkan: Supported Check dx12,d3d12: Supported Check dx11,d3d11: Supported Check cuda: Supported Check wgpu,webgpu: Supported Adapter Information for Available APIs: vk,vulkan: Using graphics adapter: NVIDIA RTX A3000 Laptop GPU dx12,d3d12: Using graphics adapter: NVIDIA RTX A3000 Laptop GPU dx11,d3d11: Using graphics adapter: Intel(R) UHD Graphics cpu: cuda: wgpu,webgpu: Using graphics adapter: default passed test: 'tests/autodiff/arithmetic-jvp.slang (dx11)' ... closes #5600 * format code --------- Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
2025-02-18Cleanups for render-api (#6360)Anders Leino
* Clean up unused code * Clean up support interface * Rename the compile output requests to mark them DEPRECATED --------- Co-authored-by: Yong He <yonghe@outlook.com>
2025-02-05Enable D3D12 experimental feature to use coopvec (#6290)Jay Kwak
This commit enables "D3D12-experimenta-feature" in render-test. This is required to use CoopVec feature with dxcompiler.dll. But it is enabled only when "-dx12-experimental" is used, because it appears that DX12 becomes unstable when the experimental feature is enabled, which causes bunch of tests randomly failing.
2025-01-31Update Slang-RHI and enable any debug layers up-front (#6226)Anders Leino
* Update Slang-RHI and enable any debug layers up-front As [1] shows, creating a D3D12 device and then enabling debug layers causes future device creation to fail. That means enabling debug layers is a process-wide decision that should be done at startup, and not just before creating an individual device. Previously, Slang-RHI enabled debug layers as part of device creation. The new Slang-RHI revision doesn't do that anymore, but instead allows the user to enable debug layers earlier, with a separate API. This change calls the mentioned API before creating any device. This closes #6172. * Compile fixes needed after updating slang-rhi --------- Co-authored-by: Yong He <yonghe@outlook.com>
2025-01-17Add groupshared atomic array test. (#6107)Yong He
* Add groupshared atomic array test. * Fix test.
2025-01-17Avoid using the backend validation when using test server (#6094)Jay Kwak
* Avoid using the backend validation when using test server Currently with a debug build, the backend validation such as Vulkan-Validation-Layer or DXC validation is enabled all the time. It means there is a higher chance that we see warning messages while running slang-test with a debug build. However, those warning messages incorrectly treated as the testing result when using test-server. This is mainly because of the fact that the Slang implemention for the RPC commucation expects only one time output result. As soon as any warning is printed, the testing process is incorrectly considered as completed even though it might be still in the middle of initializing the device. This commit disables the backend validation when using the test-server. * format code (#31) Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com> --------- Co-authored-by: slangbot <ellieh+slangbot@nvidia.com> Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com> Co-authored-by: Yong He <yonghe@outlook.com>
2025-01-07Lower varying parameters as pointers instead of SSA values. (#5919)Yong He
* Add executable test on matrix-typed vertex input. * Fix emit logic of matrix layout qualifier. * Pass fragment shader varying input by constref to allow EvaluateAttributeAtCentroid etc. to be implemented correctly.
2024-12-09Allow pointers to existential values. (#5793)Yong He
* Fix pointer offset logic and add executable tests. * Fix. * Fix test. * Add existential ptr test. * Allow pointers to existential values. * Fix. * Fix. --------- Co-authored-by: Ellie Hermaszewska <ellieh@nvidia.com>
2024-11-21Enable some rendering tests (#5623)Anders Leino
* render-test: Add copy-source usage for render targets I found that Slang-RHI/WGPU was not able to copy from render targets to staging buffers. This helps to address issue #4943. * Add entries to render API util infos Entries for glsl-cross and glsl-rewrite are added. Without glsl-cross, slang-test fails to select a back-end, and winds up crashing when tests/render/cross-compile-entry-point.slang is enabled tests/render/cross-compile0.hlsl fails similarly without glsl-rewrite. * Enable some rendering tests * Add expected test outputs
2024-11-14[slang-rhi] pass encoders (#5559)Simon Kallweit
* use pass encoder api * update slang-rhi
2024-11-13Correct include dir for libslang (#5539)Ellie Hermaszewska
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>
2024-11-13Various fixes to enable some WGSL graphics tests (#5548)Anders Leino
* Update Slang-RHI to get WGPU backend fixes * render-test: Use device local memory type for vertex buffers This helps to avoid https://github.com/shader-slang/slang-rhi/issues/104 * Fix bug in WGSL emitter layout code. There was a "kinds" vs. "kind flags" mismatch, and also getBindingOffsetForKinds was not being used. This patch enables a bunch of tests for WGPU. This helps to address issue #4943. * format code --------- Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
2024-11-11[slang-rhi] refactor command encoding (#5487)Simon Kallweit
* update render test to use new slang-rhi API * update slang-rhi --------- Co-authored-by: Yong He <yonghe@outlook.com>
2024-11-05Move switch statement bodies to their own lines (#5493)Ellie Hermaszewska
* Move switch statement bodies to their own lines * format --------- Co-authored-by: Yong He <yonghe@outlook.com>
2024-10-29formatEllie Hermaszewska
* format * Minor test fixes * enable checking cpp format in ci
2024-10-29preparation for clang format (#5422)Ellie Hermaszewska
* Clang-format excludes * Add .clang-format * Don't clang-format in external * Missing includes and forward declarations * Replace wonky include-once macro name * neaten include naming * Add clang-format to formatting script * Add xargs and diff to required binaries * add clang-format to ci formatting check * Add max version check to formatting script * temporarily disable checking formatting for cpp files
2024-10-25Replace stdlib on Slang API with CoreModule (#5405)Jay Kwak
This is a breaking change in a way that the Slang API function names are changed. All of them are commented as "experimental" and we wouldn't provide a back-ward compatibility for them. Following functions are renamed: compileStdLib() -> compileCoreModule() loadStdLib() -> loadCoreModule() saveStdLib() -> saveCoreModule() slang_createGlobalSessionWithoutStdLib() -> slang_createGlobalSessionWithoutCoreModule() slang_getEmbeddedStdLib() -> slang_getEmbeddedCoreModule() hasDeferredStdLib() -> hasDeferredCoreModule() Following command-line arguments are renamed: "-load-stdlib" -> "-load-core-module" "-save-stdlib" -> "-save-core-module" "-save-stdlib-bin-source" -> "-save-core-module-bin-source" "-compile-stdlib" -> "-compile-core-module"
2024-10-17update slang-rhi (#5258)Simon Kallweit
* update slang-rhi * update render-test to use new slang-rhi apis --------- Co-authored-by: Yong He <yonghe@outlook.com>
2024-10-17Fix D3D12Core.dll loading problem (#5315)Jay Kwak
D3D12Core.dll had been copied to a wrong directory and slang has been using D3D12Core.dll from the system directory, C:\windows\system32. D3D12Core.dll has to be copied from external/slang-binaries/bin/windows-x64 to build/Release/bin/D3D12 not to build/Release/bin. The same is true for the debug build and it had to be copied to build/Debug/bin/D3D12 not build/Debug/bin. It hasn't been a problem for Release build, because the debug-layer is not enabled for Release build and it didn't cause the version mismatching problem with D3D12SDKLayers.dll. The Release build was loaded from either build/Release/bin or from C:\windows\system32, and it didn't matter which one was used. The Debug build, however, got into a problem where D3D12Core.dll was loaded from the system directory whereas D3D12SDKLayers.dll was loaded from build/Debug/bin and it failed to load D3D12.dll entirely. This caused D3D12 to be "Not supported" for "Windows/Debug" configuration. Note that our CI explicitly excludes DX12 tests for the "Windows/Debug" configuration with a command-line argument "-api all-dx12", and DX12 tests were going to be ignored anyway. The actual problem was observed when WGPU is implemented. WGPU started printing explicit errors for the load failure of D3D12.dll. See more detailed explanation: https://devblogs.microsoft.com/directx/gettingstarted-dx12agility/#d3d12sdkpath-should-not-be-the-same-directory-as-the-application-exe Closes #5305 Closes #5276
2024-10-15 Move C interface from slang.h to slang-deprecated.h (#5301)Ellie Hermaszewska
* Squash redundant move warnings * Move C interface from slang.h to slang-deprecated.h spGetBuildTagString remains, because it's useful to have before the global session exists. This C API is used quite pervasively in the C++ helpers (for example slang::UserAttribute. It's not trivial to move these to slang-deprecated.h as they're entangled with some enums which are themselves used elsewhere in the compiler. The fact that these helpers use the C API can be viewed as an implementation detail for now, and this usage moved to slang-deprecated in due course. Closes https://github.com/shader-slang/slang/issues/4758 * Squash warnings for our usage of our deprecated API --------- Co-authored-by: Yong He <yonghe@outlook.com>
2024-10-07update slang-rhi (#5234)Simon Kallweit
* update to latest slang-rhi * do not build slang-rhi examples
2024-10-07Add WGSL support for slang-test (#5174)Anders Leino
* Use the assembly description as target when disassembling I believe this is a bugfix. It seems to have worked before because up until the WGSL case, the disassembler has been the same executable as the one producing the binary to be disassembled. * Add Tint as a downstream compiler This closes issue #5104. * Add downstream compiler for Tint. * Tint is wrapped in a shared library, 'slang-tint' available from [1]. * The header file for slang-tint.dll is added in external/slang-tint-headers. * Add some boilerplate for WGSL targets. * Add an entry point test for WGSL. [1] https://github.com/shader-slang/dawn/releases/tag/slang-tint-0 * Add WGSL_SPIRV as supported target for Glslang * Add WebGPU support to slang-test This helps to address issue #5051. * Disable lots of crashing compute tests for 'wgpu' This closes issue #5051. --------- Co-authored-by: Yong He <yonghe@outlook.com>
2024-10-04update slang-rhi (#5208)Simon Kallweit
2024-09-30Update slang-rhi (#5187)Simon Kallweit
* update slang-rhi * fix render-test * update slang-rhi --------- Co-authored-by: Yong He <yonghe@outlook.com>
2024-09-26Update slang-rhi (#5160)Simon Kallweit
2024-09-19refactor render test to use latest slang-rhi (#5119)Simon Kallweit
* refactor render test to use latest slang-rhi * update slang-rhi * update slang-rhi * update slang-rhi * update slang-rhi
2024-08-30Draft: integrate slang-rhi (#4970)Simon Kallweit
* add slang-rhi submodule * refactor render-test to use slang-rhi and remove OpenGL support * remove -vk -glsl tests * remove gl test * disable failing test * allow recursive submodules in github actions * update slang-rhi * update slang-rhi --------- Co-authored-by: Yong He <yonghe@outlook.com>
2024-07-31Allow generic type deduction from ParameterBlock arguments. (#4766)Yong He
* Allow generic type deduction from ParameterBlock arguments. * Fix test. * Update expected failure list. --------- Co-authored-by: Yong He <yhe@nvidia.com>
2024-07-24Cleanup global memory allocations on shutdown. (#4731)Yong He
Co-authored-by: Jay Kwak <82421531+jkwak-work@users.noreply.github.com>
2024-07-17Move the file public header files to `include` dir (#4636)kaizhangNV
* 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
2024-06-12Capability System: Implicit capability upgrade warning/error (#4241)ArielG-NV
* capability upgrade warning/error adjusted implementation + tests to support a warning/error if capabilities are implicitly upgraded and test accordingly. * add glsl profile caps * add GLSL and HLSL capabilities to the associated capability * syntax error in capdef * only error if user explicitly enables capabilities 1. changed testing infrastructure to not set a `profile` explicitly, 2. Added tests to be sure this works as intended with user API and with slangc command line * Change capability atom definitions and how Slang manages them to fix errors 1. most `glsl_spirv` version atoms have been removed from `.capdef`, instead we will translate `spirv` version atoms into `glsl_spirv` since there is no point in writing the same code twice in `.capdef` files to define `spirv` versions. 2. add spirv version, and hlsl sm version (and equivlent) capability dependencies 3. removed some stage requirments which were set on objects, keep the wrapper capabilities. I am keeping the wrapper capabilities since I am unaware on if there are stage limitations (spec says code in practice does not work). * check internal version instead of version profile (_spirv_1_5 vs. spirv_1_5) * remove unused OpCapability. adjust SPIRV version'ing again for glsl_spirv * apply workaround for glslang bug with rayquery usage * ensure capabilities targetted by a profile and added together by a user are valid * remove additions to `spirv_1_*` wrapper * spirv_* -> glsl_spirv fix * fix bug where incompatable profiles would cause invalid target caps * try to avoid joining invalid capabilities * fix the warning/error & printing * run through tests to fix capability system and test mistakes many mistakes were mesh shaders doing `-profile glsl_450+spirv_1_4`. This is not allowed for a few reasons 1. the test tooling does not handle arguments the same as `slangc` 2. glsl_450 core profile does not support mesh shaders, nor does spirv_1_4. sm_6_5 does work in this senario * set some sm_4_1 intrinsics to sm_4_0 * replace `GLSL_` defs with `glsl_` * swap the unsupported render-test syntax for working syntax * set d3d11/d3d12 profile defaults this is required since sm version changes compiled code & behavior * adjusted nvapi capabilities with atomics + d3d11 set to use sm_5_0 as per default * cleanup * address review * incorrect styling * change `bitscanForward` to work as intended on 32 bit targets --------- Co-authored-by: Yong He <yonghe@outlook.com>
2024-06-07Metal compute tests (#4292)skallweitNV
2024-05-13[gfx] specify resource view buffer range in bytes (#4149)skallweitNV
* refactor gfx buffer range to use byte range * create buffer view with zero struct stride for ClearUnorderedAccessViewUint/Float * create buffer descriptors on demand * avoid copying gfx.dll --------- Co-authored-by: Yong He <yonghe@outlook.com>
2024-05-01Fix compile failures when using debug symbol. (#4069)Yong He
* Fix compile failures when using debug symbol. * Various fixes. * Fix intrinsic. * Fix test.
2024-05-01SPIRV: Fix performance issue when handling large arrays. (#4064)Yong He
* SPIRV: Fix performance issue when handling large arrays. * Add test for packing. * Fix clang.