Crafter.Graphics/project.cpp

//SPDX-License-Identifier: LGPL-3.0-only
//SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®

import std;
import Crafter.Build;
namespace fs = std::filesystem;
using namespace Crafter;

extern "C" Configuration CrafterBuildProject(std::span<const std::string_view> args) {
    std::vector<std::string> depArgs(args.begin(), args.end());

    // Crafter.Event/Math/Asset are always resolved from forgejo (GitProject);
    // there is no local-sibling branch for them here. A consumer building
    // THIS project with --local (to pick up local Crafter.Graphics edits)
    // forwards --local down through depArgs, but these git deps can't honour
    // it — the flag makes their resolver look for an unsuffixed local
    // checkout that doesn't exist. Strip it so the sub-deps resolve normally
    // while Crafter.Graphics itself is still built from the local tree.
    std::erase(depArgs, "--local");

    Configuration* event = GitProject({
        .source = { .url = "https://forgejo.catcrafts.net/Catcrafts/Crafter.Event.git" },
        .args = depArgs,
    });
    Configuration* math  = GitProject({
        .source = { "https://forgejo.catcrafts.net/Catcrafts/Crafter.Math.git" },
        .args = depArgs,
    });
    Configuration* asset = GitProject({
        .source = { "https://forgejo.catcrafts.net/Catcrafts/Crafter.Asset.git" },
        .args = depArgs,
    });

    Configuration cfg;
    cfg.path = "./";
    cfg.name = "Crafter.Graphics";
    cfg.outputName = "Crafter.Graphics";
    cfg.type = ConfigurationType::LibraryStatic;
    auto opts = ApplyStandardArgs(cfg, args);
    cfg.dependencies = { event, math, asset };

    // Window backend follows the target triple. V1 had separate lib-wayland /
    // lib-win32 configurations; V2 picks the right one automatically based on
    // where the build is going. Cross-compile (`--target=...`) flips the
    // backend along with everything else. The DOM backend is reached by any
    // wasm32-* target and produces a Vulkan-free build whose Window is wired
    // to a custom JS env (see additional/dom-env.js).
    bool dom = cfg.target.find("wasm") != std::string::npos;
    bool windows = !dom
        && (cfg.target.find("windows") != std::string::npos
            || cfg.target.find("mingw") != std::string::npos);
    if (dom) {
        cfg.defines.push_back({"CRAFTER_GRAPHICS_WINDOW_DOM", ""});
        // No native window libs, no Vulkan loader, no Wayland/X11. The JS
        // bridge satisfies every dynamic symbol via wasm imports. Crafter.Build
        // strips -march/-mtune from the clang command line for any wasm32-*
        // triple, so cfg.march/mtune can stay at their defaults — keeping them
        // matches the VariantId of dependency PCMs.
        //
        // WasmAlloc / WasmFree live in Crafter.Graphics-Dom.cpp and back
        // dom-env.js's __writeUtf8 path (every keyboard / text-input event
        // routes through them). The TU defines no symbols main.cpp would
        // reference, so wasm-ld dead-strips it from libCrafter.Graphics.a
        // for examples that don't touch the `Dom::HtmlElement*` API (like
        // Sponza). `--export=` both forces the export AND pulls the
        // defining .o in — solving both halves of the dead-strip problem.
        cfg.linkFlags.push_back("-Wl,--export=WasmAlloc");
        cfg.linkFlags.push_back("-Wl,--export=WasmFree");
    } else if (windows) {
        cfg.defines.push_back({"CRAFTER_GRAPHICS_WINDOW_WIN32", ""});
        cfg.linkFlags.push_back("-lkernel32");
        cfg.linkFlags.push_back("-luser32");
        cfg.linkFlags.push_back("-lgdi32");
        // Windows.Gaming.Input (WGI) needs the WinRT activation runtime
        // and combase for HSTRING / RoGetActivationFactory.
        cfg.linkFlags.push_back("-lruntimeobject");
        cfg.linkFlags.push_back("-lcombase");
    } else {
        cfg.defines.push_back({"CRAFTER_GRAPHICS_WINDOW_WAYLAND", ""});
        cfg.linkFlags.push_back("-lwayland-client");
        cfg.linkFlags.push_back("-lxkbcommon");
        // Gamepad: libudev for hot-plug + device enumeration; libevdev
        // for event parsing + axis calibration.
        cfg.linkFlags.push_back("-ludev");

        // libevdev is vendored in lib/libevdev rather than linked from the
        // system: the Flatpak SDK crafter-build runs in ships no libevdev
        // headers, and a vendored copy cross-builds like everything else. It
        // is its own static library so it compiles once, not again in every
        // test configuration (they copy cfg.cFiles). One per call, since each
        // distinct argument list loads this project separately; it lives for
        // the whole build like a GitProject's configuration. Its paths are
        // absolute because Crafter.Build only resolves the returned
        // configuration's paths against this project's root, and this
        // project.cpp runs with that root as cwd.
        static std::deque<Configuration> libevdevConfigs;
        Configuration& libevdev = libevdevConfigs.emplace_back();
        libevdev.path       = fs::absolute(cfg.path);
        libevdev.name       = "Crafter.Graphics-libevdev";
        libevdev.outputName = "Crafter.Graphics-libevdev";
        libevdev.type       = ConfigurationType::LibraryStatic;
        libevdev.target     = cfg.target;
        libevdev.march      = cfg.march;
        libevdev.mtune      = cfg.mtune;
        libevdev.debug      = cfg.debug;
        libevdev.sysroot    = cfg.sysroot;
        libevdev.cFiles     = {
            fs::absolute("lib/libevdev/libevdev/libevdev"),
            fs::absolute("lib/libevdev/libevdev/libevdev-names"),
        };
        // Its generated event-names.h names every input code by macro, so it
        // compiles against the kernel headers that table was generated from
        // rather than the target's.
        libevdev.compileFlags.push_back(std::format("-I{}", fs::absolute("lib/libevdev/kernel-headers").string()));
        cfg.dependencies.push_back(&libevdev);
        // For Gamepad's #include <libevdev/libevdev.h>.
        cfg.compileFlags.push_back(std::format("-I{}", fs::absolute("lib/libevdev").string()));

        cfg.cFiles.push_back("lib/xdg-shell-protocol");
        cfg.cFiles.push_back("lib/wayland-xdg-decoration-unstable-v1-client-protocol");
        cfg.cFiles.push_back("lib/fractional-scale-v1");
        cfg.cFiles.push_back("lib/viewporter");
        cfg.cFiles.push_back("lib/text-input-unstable-v3-protocol");
    }

    // Vulkan is the only renderer on native targets. Software fallback is
    // provided externally via the Vulkan loader (e.g. llvmpipe / lavapipe) —
    // no separate code path. The DOM backend doesn't render in V1 (the
    // UIRenderer and every Vulkan-typed module are excluded below); the
    // WebGPU follow-up will gain its own headers/loader rather than reuse
    // the Vulkan ones.
    if (!dom) {
        ExternalDependency& vkHeaders = cfg.externalDependencies.emplace_back();
        vkHeaders.name = "Vulkan-Headers";
        vkHeaders.source.url = "https://github.com/KhronosGroup/Vulkan-Headers.git";
        vkHeaders.builder = ExternalBuilder::None;
        vkHeaders.includeDirs = { "include" };
        ExternalDependency& vkUtility = cfg.externalDependencies.emplace_back();
        vkUtility.name = "Vulkan-Utility-Libraries";
        vkUtility.source.url = "https://github.com/KhronosGroup/Vulkan-Utility-Libraries.git";
        vkUtility.builder = ExternalBuilder::None;
        vkUtility.includeDirs = { "include" };
        cfg.linkFlags.push_back(windows ? "-lvulkan-1" : "-lvulkan");
    }

    if (opts.Has("--timing")) cfg.defines.push_back({"CRAFTER_TIMING", ""});

    // One master interface list. Every partition exists on every target
    // — Crafter.Build's dependency scanner doesn't respect `#ifdef` on
    // `import :X` statements, so the partition file must be present even
    // when its body is gated out. Vulkan-typed partitions stub to empty
    // modules under CRAFTER_GRAPHICS_WINDOW_DOM; the Dom/DomEvents/Router
    // partitions stub to empty modules in the opposite direction.
    std::array<fs::path, 42> ifaces = {
        "interfaces/Crafter.Graphics",
        "interfaces/Crafter.Graphics-Animation",
        "interfaces/Crafter.Graphics-Clipboard",
        "interfaces/Crafter.Graphics-ComputeShader",
        "interfaces/Crafter.Graphics-Decompress",
        "interfaces/Crafter.Graphics-DescriptorHeapVulkan",
        "interfaces/Crafter.Graphics-DescriptorHeapWebGPU",
        "interfaces/Crafter.Graphics-Device",
        "interfaces/Crafter.Graphics-Dom",
        "interfaces/Crafter.Graphics-DomEvents",
        "interfaces/Crafter.Graphics-Font",
        "interfaces/Crafter.Graphics-FontAtlas",
        "interfaces/Crafter.Graphics-ForwardDeclarations",
        "interfaces/Crafter.Graphics-Gamepad",
        "interfaces/Crafter.Graphics-GraphicsTypes",
        "interfaces/Crafter.Graphics-Image2D",
        "interfaces/Crafter.Graphics-ImageVulkan",
        "interfaces/Crafter.Graphics-Input",
        "interfaces/Crafter.Graphics-InputField",
        "interfaces/Crafter.Graphics-Keys",
        "interfaces/Crafter.Graphics-Mesh",
        "interfaces/Crafter.Graphics-PipelineRTVulkan",
        "interfaces/Crafter.Graphics-PipelineRTWebGPU",
        "interfaces/Crafter.Graphics-PlainComputeShader",
        "interfaces/Crafter.Graphics-RenderingElement3D",
        "interfaces/Crafter.Graphics-RenderPass",
        "interfaces/Crafter.Graphics-Router",
        "interfaces/Crafter.Graphics-RT",
        "interfaces/Crafter.Graphics-RTPass",
        "interfaces/Crafter.Graphics-SamplerVulkan",
        "interfaces/Crafter.Graphics-ShaderBindingTableVulkan",
        "interfaces/Crafter.Graphics-ShaderBindingTableWebGPU",
        "interfaces/Crafter.Graphics-ShaderVulkan",
        "interfaces/Crafter.Graphics-Types",
        "interfaces/Crafter.Graphics-UI",
        "interfaces/Crafter.Graphics-UIComponents",
        "interfaces/Crafter.Graphics-VulkanBuffer",
        "interfaces/Crafter.Graphics-VulkanTransition",
        "interfaces/Crafter.Graphics-WebGPU",
        "interfaces/Crafter.Graphics-WebGPUBuffer",
        "interfaces/Crafter.Graphics-WebGPUComputeShader",
        "interfaces/Crafter.Graphics-Window",
    };

    if (dom) {
        // DOM impl set. UI-Shared.cpp is backend-agnostic; UI-WebGPU.cpp
        // is the DOM-only implementation of UIRenderer's GPU-touching
        // methods. Font / FontAtlas / UIComponents / InputField are now
        // portable.
        std::array<fs::path, 17> domImpls = {
            "implementations/Crafter.Graphics-Clipboard",
            "implementations/Crafter.Graphics-Dom",
            "implementations/Crafter.Graphics-Font",
            "implementations/Crafter.Graphics-FontAtlas",
            "implementations/Crafter.Graphics-Gamepad",
            "implementations/Crafter.Graphics-Input",
            "implementations/Crafter.Graphics-InputField",
            "implementations/Crafter.Graphics-Mesh-WebGPU",
            "implementations/Crafter.Graphics-PipelineRTWebGPU",
            "implementations/Crafter.Graphics-RenderingElement3D-WebGPU",
            "implementations/Crafter.Graphics-Router",
            "implementations/Crafter.Graphics-ShaderBindingTableWebGPU",
            "implementations/Crafter.Graphics-UI-Shared",
            "implementations/Crafter.Graphics-UI-WebGPU",
            "implementations/Crafter.Graphics-UIComponents",
            "implementations/Crafter.Graphics-WebGPUComputeShader",
            "implementations/Crafter.Graphics-Window",
        };
        cfg.GetInterfacesAndImplementations(ifaces, domImpls);
        // JS glue shipped alongside the .wasm so the loader has the
        // env-import surface the Window/Dom bindings expect.
        cfg.files.emplace_back(fs::path("additional/dom-env.js"));

        // dom-webgpu.js is opt-out via --no-webgpu, for apps that only use
        // the Dom/Router partitions and never touch Device/RTPass/UIRenderer.
        //
        // Three reasons a DOM-only app wants it gone, in increasing order of
        // severity:
        //   1. It is ~182 KB (47 KB gzip) of dead weight.
        //   2. Its init is an async IIFE that runtime.js awaits before
        //      _start(), and that init does `await navigator.gpu
        //      .requestAdapter()` — so every page load blocks wasm startup on
        //      a GPU adapter request, including on machines with no GPU.
        //   3. Worst: when navigator.gpu is absent it REPLACES
        //      document.body.innerHTML with an error message and throws, so
        //      _start() never runs. For a server-rendered page that means the
        //      real content is destroyed and replaced with a WebGPU warning on
        //      any browser without WebGPU support.
        //
        // Safety: with --gc-sections an app that never calls into the WebGPU
        // partitions emits no wgpu* env imports, so omitting the bridge links
        // and instantiates cleanly. An app that DOES use WebGPU and passes
        // --no-webgpu anyway fails at instantiate with a missing-import error
        // naming the specific wgpu* symbol.
        if (!opts.Has("--no-webgpu")) {
            cfg.files.emplace_back(fs::path("additional/dom-webgpu.js"));
        }
    } else {
        std::array<fs::path, 14> impls = {
            "implementations/Crafter.Graphics-Clipboard",
            "implementations/Crafter.Graphics-ComputeShader",
            "implementations/Crafter.Graphics-Device",
            "implementations/Crafter.Graphics-Font",
            "implementations/Crafter.Graphics-FontAtlas",
            "implementations/Crafter.Graphics-Gamepad",
            "implementations/Crafter.Graphics-Input",
            "implementations/Crafter.Graphics-InputField",
            "implementations/Crafter.Graphics-Mesh",
            "implementations/Crafter.Graphics-RenderingElement3D",
            "implementations/Crafter.Graphics-UI",
            "implementations/Crafter.Graphics-UI-Shared",
            "implementations/Crafter.Graphics-UIComponents",
            "implementations/Crafter.Graphics-Window",
        };
        cfg.GetInterfacesAndImplementations(ifaces, impls);

        // Every UI kernel is built twice from one source: <name>.comp.spv
        // indexes VK_EXT_descriptor_heap, <name>.comp.sets.spv reads the same
        // slots from a bindless descriptor set for drivers without the heap
        // extension (Mesa Turnip). ui-shared.glsl switches on the define and
        // ComputeShader::Load picks the file at runtime.
        for (const char* shader : {"shaders/ui-quads.comp.glsl", "shaders/ui-circles.comp.glsl", "shaders/ui-images.comp.glsl", "shaders/ui-text.comp.glsl", "shaders/ui-fused.comp.glsl"}) {
            cfg.shaders.emplace_back(fs::path(shader), std::string("main"), ShaderType::Compute);
            Shader& sets = cfg.shaders.emplace_back(fs::path(shader), std::string("main"), ShaderType::Compute);
            sets.defines = {"CRAFTER_GRAPHICS_DESCRIPTOR_SETS"};
            sets.variant = "sets";
        }
        cfg.buildFiles.emplace_back(fs::path("shaders/ui-shared.glsl"));

        // Regression test for issue #18: drive the NVIDIA descriptor-heap
        // AS-read workaround's SPIR-V rewrite over real compiled shaders and
        // check the result with spirv-val (one push-constant block, correct
        // TLAS offset). The test executable recompiles the whole module plus
        // tests/PushConstantRewrite/main.cpp; Configuration isn't copyable
        // (it owns the parsed module list), so the shared build settings are
        // mirrored field by field. glslang and spirv-val are invoked at
        // runtime, so the test declares them as required tools. Remove with
        // the rest of the workaround.
        Test pcTest;
        Configuration& tc = pcTest.config;
        tc.path                 = cfg.path;
        tc.name                 = "PushConstantRewrite";
        tc.outputName           = "PushConstantRewrite";
        tc.type                 = ConfigurationType::Executable;
        tc.target               = cfg.target;
        tc.march                = cfg.march;
        tc.mtune                = cfg.mtune;
        tc.debug                = cfg.debug;
        tc.sysroot              = cfg.sysroot;
        tc.dependencies         = cfg.dependencies;
        tc.externalDependencies = cfg.externalDependencies;
        tc.compileFlags         = cfg.compileFlags;
        tc.linkFlags            = cfg.linkFlags;
        tc.defines              = cfg.defines;
        tc.cFiles               = cfg.cFiles;
        std::vector<fs::path> testImpls(impls.begin(), impls.end());
        testImpls.emplace_back("tests/PushConstantRewrite/main");
        tc.GetInterfacesAndImplementations(ifaces, testImpls);
        pcTest.requires_ = { "tool:glslang", "tool:spirv-val" };
        cfg.tests.push_back(std::move(pcTest));

        // Regression test for issue #32: the Wayland scroll-wheel chain
        // (wl_pointer.axis → Window::onMouseScroll). Drives the listener
        // callback directly, so it needs no compositor — but it does need
        // the Wayland backend compiled in, hence Linux-only.
        if (!windows) {
            Test scrollTest;
            Configuration& sc = scrollTest.config;
            sc.path                 = cfg.path;
            sc.name                 = "MouseScroll";
            sc.outputName           = "MouseScroll";
            sc.type                 = ConfigurationType::Executable;
            sc.target               = cfg.target;
            sc.march                = cfg.march;
            sc.mtune                = cfg.mtune;
            sc.debug                = cfg.debug;
            sc.sysroot              = cfg.sysroot;
            sc.dependencies         = cfg.dependencies;
            sc.externalDependencies = cfg.externalDependencies;
            sc.compileFlags         = cfg.compileFlags;
            sc.linkFlags            = cfg.linkFlags;
            sc.defines              = cfg.defines;
            sc.cFiles               = cfg.cFiles;
            std::vector<fs::path> scrollImpls(impls.begin(), impls.end());
            scrollImpls.emplace_back("tests/MouseScroll/main");
            sc.GetInterfacesAndImplementations(ifaces, scrollImpls);
            cfg.tests.push_back(std::move(scrollTest));

            // Issue #40: multi-frame-in-flight frame pacing (per-image fences
            // + per-frame semaphores, no steady-state wait-idle). Drives the
            // real frame loop against a live Wayland compositor for many more
            // frames than there are in-flight slots and asserts the validation
            // layer stays silent — the old singleton-semaphore design only
            // avoided being an active race because the wait-idle masked it, so
            // a clean multi-frame run is the regression guard. Needs the
            // Wayland backend + a real compositor, hence inside the !windows
            // block alongside MouseScroll.
            Test frameLoopTest;
            Configuration& fl = frameLoopTest.config;
            fl.path                 = cfg.path;
            fl.name                 = "FrameLoopSync";
            fl.outputName           = "FrameLoopSync";
            fl.type                 = ConfigurationType::Executable;
            fl.target               = cfg.target;
            fl.march                = cfg.march;
            fl.mtune                = cfg.mtune;
            fl.debug                = cfg.debug;
            fl.sysroot              = cfg.sysroot;
            fl.dependencies         = cfg.dependencies;
            fl.externalDependencies = cfg.externalDependencies;
            fl.compileFlags         = cfg.compileFlags;
            fl.linkFlags            = cfg.linkFlags;
            fl.defines              = cfg.defines;
            fl.cFiles               = cfg.cFiles;
            std::vector<fs::path> frameLoopImpls(impls.begin(), impls.end());
            frameLoopImpls.emplace_back("tests/FrameLoopSync/main");
            fl.GetInterfacesAndImplementations(ifaces, frameLoopImpls);
            cfg.tests.push_back(std::move(frameLoopTest));

            // Issue #153: two frame-loop validation errors. (1) The acquire
            // barrier hardcoded dstAccessMask = SHADER_WRITE|TRANSFER_WRITE but
            // used the per-pass stage union (COMPUTE_SHADER for an all-compute
            // frame) as its dst stage, so TRANSFER_WRITE was unsupported and
            // VUID-02820 fired every frame — FrameLoopSync can't see it because
            // it runs with no passes (the union falls back to the conservative
            // writer set, which includes TRANSFER). (2) Mid-session
            // StartInit/FinishInit reuse the shared draw command buffer while
            // the loop's last submission of it is still in flight, re-beginning
            // (00049) and re-submitting (00071) a pending buffer. Drives a real
            // compute pass through the loop plus interleaved StartInit rounds
            // and asserts the layer stays silent. Needs the Wayland backend + a
            // real compositor, so it lives in the !windows block.
            Test setupReuseTest;
            Configuration& sr = setupReuseTest.config;
            sr.path                 = cfg.path;
            sr.name                 = "SetupCmdBufferReuse";
            sr.outputName           = "SetupCmdBufferReuse";
            sr.type                 = ConfigurationType::Executable;
            sr.target               = cfg.target;
            sr.march                = cfg.march;
            sr.mtune                = cfg.mtune;
            sr.debug                = cfg.debug;
            sr.sysroot              = cfg.sysroot;
            sr.dependencies         = cfg.dependencies;
            sr.externalDependencies = cfg.externalDependencies;
            sr.compileFlags         = cfg.compileFlags;
            sr.linkFlags            = cfg.linkFlags;
            sr.defines              = cfg.defines;
            sr.cFiles               = cfg.cFiles;
            std::vector<fs::path> setupReuseImpls(impls.begin(), impls.end());
            setupReuseImpls.emplace_back("tests/SetupCmdBufferReuse/main");
            sr.GetInterfacesAndImplementations(ifaces, setupReuseImpls);
            cfg.tests.push_back(std::move(setupReuseTest));

            // The UI path has two binding models: VK_EXT_descriptor_heap, and
            // a bindless descriptor set for drivers without it (Mesa Turnip).
            // The test renders one scene through each — the second by
            // re-running itself with CRAFTER_GRAPHICS_NO_DESCRIPTOR_HEAP — and
            // compares the frames, so the fallback cannot drift from the heap
            // path unnoticed on a machine that never takes it. Unlike the
            // other tests it loads the real UI kernels, so it carries the
            // library's shaders (both variants) and a font into its own bin
            // dir. Needs the Wayland backend + a real compositor.
            Test parityTest;
            Configuration& up = parityTest.config;
            up.path                 = cfg.path;
            up.name                 = "UIFallbackParity";
            up.outputName           = "UIFallbackParity";
            up.type                 = ConfigurationType::Executable;
            up.target               = cfg.target;
            up.march                = cfg.march;
            up.mtune                = cfg.mtune;
            up.debug                = cfg.debug;
            up.sysroot              = cfg.sysroot;
            up.dependencies         = cfg.dependencies;
            up.externalDependencies = cfg.externalDependencies;
            up.compileFlags         = cfg.compileFlags;
            up.linkFlags            = cfg.linkFlags;
            up.defines              = cfg.defines;
            up.cFiles               = cfg.cFiles;
            up.shaders              = cfg.shaders;
            up.buildFiles           = cfg.buildFiles;
            up.files.emplace_back(fs::path("examples/HelloUI/font.ttf"));
            std::vector<fs::path> parityImpls(impls.begin(), impls.end());
            parityImpls.emplace_back("tests/UIFallbackParity/main");
            up.GetInterfacesAndImplementations(ifaces, parityImpls);
            cfg.tests.push_back(std::move(parityTest));
        }

        // Issue #36: BLAS build options. Drives the real hardware AS-build
        // path — records Mesh::Build / Refit / BuildProcedural /
        // RefitProcedural with fast-build/fast-trace + allow-update flags
        // into one-time command buffers and submits them, asserting the
        // requested flags land, that an allowUpdate refit keeps the AS
        // handle (in-place UPDATE), and that the validation layer reports no
        // errors. Needs a Vulkan RT device at runtime (same as the RT
        // examples), so it shares the native build settings.
        Test blasTest;
        Configuration& bc = blasTest.config;
        bc.path                 = cfg.path;
        bc.name                 = "BLASBuildOptions";
        bc.outputName           = "BLASBuildOptions";
        bc.type                 = ConfigurationType::Executable;
        bc.target               = cfg.target;
        bc.march                = cfg.march;
        bc.mtune                = cfg.mtune;
        bc.debug                = cfg.debug;
        bc.sysroot              = cfg.sysroot;
        bc.dependencies         = cfg.dependencies;
        bc.externalDependencies = cfg.externalDependencies;
        bc.compileFlags         = cfg.compileFlags;
        bc.linkFlags            = cfg.linkFlags;
        bc.defines              = cfg.defines;
        bc.cFiles               = cfg.cFiles;
        std::vector<fs::path> blasImpls(impls.begin(), impls.end());
        blasImpls.emplace_back("tests/BLASBuildOptions/main");
        bc.GetInterfacesAndImplementations(ifaces, blasImpls);
        cfg.tests.push_back(std::move(blasTest));

        // Issue #64: TLAS host-input buffers (instanceBuffer / metadataBuffer)
        // grow on a high-water mark instead of reallocating to the exact count
        // every topology change. Drives the real hardware AS-build path — a
        // cube BLAS plus RenderingElement3D::BuildTLAS at a sequence of
        // instance counts — and asserts that a shrink (and any growth within
        // the high-water capacity) reuses the existing allocation while a
        // growth past it reallocates, with the validation layer reporting no
        // errors when an oversized instance buffer is fed to the build. Needs a
        // Vulkan RT device at runtime, so it shares the native build settings.
        Test tlasTest;
        Configuration& tlc = tlasTest.config;
        tlc.path                 = cfg.path;
        tlc.name                 = "TLASHighWaterMark";
        tlc.outputName           = "TLASHighWaterMark";
        tlc.type                 = ConfigurationType::Executable;
        tlc.target               = cfg.target;
        tlc.march                = cfg.march;
        tlc.mtune                = cfg.mtune;
        tlc.debug                = cfg.debug;
        tlc.sysroot              = cfg.sysroot;
        tlc.dependencies         = cfg.dependencies;
        tlc.externalDependencies = cfg.externalDependencies;
        tlc.compileFlags         = cfg.compileFlags;
        tlc.linkFlags            = cfg.linkFlags;
        tlc.defines              = cfg.defines;
        tlc.cFiles               = cfg.cFiles;
        std::vector<fs::path> tlasImpls(impls.begin(), impls.end());
        tlasImpls.emplace_back("tests/TLASHighWaterMark/main");
        tlc.GetInterfacesAndImplementations(ifaces, tlasImpls);
        cfg.tests.push_back(std::move(tlasTest));

        // Issue #118: the per-frame TLAS instance+metadata host rebuild copies
        // (and flushes) only the slots whose element's host-authored data
        // changed, tracked via RenderingElement3D::hostDataVersion against the
        // per-frame uploadedVersion record; untracked elements (version 0) keep
        // the always-copy behaviour. Drives the real AS-build path — a cube
        // BLAS plus BuildTLAS at a sequence of marks/mutations — and reads back
        // the host-mapped buffers to assert that clean slots are skipped, dirty
        // slots re-uploaded, and relocation on the refit path re-uploads exactly
        // the moved slots, with the validation layer reporting no errors over
        // the ranged FlushDevice the dirty span feeds. Needs a Vulkan RT device
        // at runtime, so it shares the native build settings.
        Test tlasDirtyTest;
        Configuration& tld = tlasDirtyTest.config;
        tld.path                 = cfg.path;
        tld.name                 = "TLASInstanceDirtyTracking";
        tld.outputName           = "TLASInstanceDirtyTracking";
        tld.type                 = ConfigurationType::Executable;
        tld.target               = cfg.target;
        tld.march                = cfg.march;
        tld.mtune                = cfg.mtune;
        tld.debug                = cfg.debug;
        tld.sysroot              = cfg.sysroot;
        tld.dependencies         = cfg.dependencies;
        tld.externalDependencies = cfg.externalDependencies;
        tld.compileFlags         = cfg.compileFlags;
        tld.linkFlags            = cfg.linkFlags;
        tld.defines              = cfg.defines;
        tld.cFiles               = cfg.cFiles;
        std::vector<fs::path> tlasDirtyImpls(impls.begin(), impls.end());
        tlasDirtyImpls.emplace_back("tests/TLASInstanceDirtyTracking/main");
        tld.GetInterfacesAndImplementations(ifaces, tlasDirtyImpls);
        cfg.tests.push_back(std::move(tlasDirtyTest));

        // Issue #51: FontAtlas only re-uploads the dirty sub-rect now,
        // tracked via FontAtlas::DirtyRect. The accumulation/clamp math is
        // pure CPU, so this test drives it directly — no GPU device needed
        // at runtime (the real copy params are covered by HelloUI rendering
        // text on both backends).
        Test atlasTest;
        Configuration& ac = atlasTest.config;
        ac.path                 = cfg.path;
        ac.name                 = "FontAtlasDirtyRect";
        ac.outputName           = "FontAtlasDirtyRect";
        ac.type                 = ConfigurationType::Executable;
        ac.target               = cfg.target;
        ac.march                = cfg.march;
        ac.mtune                = cfg.mtune;
        ac.debug                = cfg.debug;
        ac.sysroot              = cfg.sysroot;
        ac.dependencies         = cfg.dependencies;
        ac.externalDependencies = cfg.externalDependencies;
        ac.compileFlags         = cfg.compileFlags;
        ac.linkFlags            = cfg.linkFlags;
        ac.defines              = cfg.defines;
        ac.cFiles               = cfg.cFiles;
        std::vector<fs::path> atlasImpls(impls.begin(), impls.end());
        atlasImpls.emplace_back("tests/FontAtlasDirtyRect/main");
        ac.GetInterfacesAndImplementations(ifaces, atlasImpls);
        cfg.tests.push_back(std::move(atlasTest));

        // Issue #52: shaped-run cache for UIRenderer::ShapeText. Shapes a
        // string against a real CPU-side FontAtlas and asserts that a cache
        // hit is byte-equivalent to the uncached path, that hits don't touch
        // the atlas, and that translate / alignment / truncation /
        // InvalidateFont all behave. Needs a headless Vulkan device (the
        // atlas image is a real GPU image) but no swapchain — same native
        // build settings as the others. The font file is copied next to the
        // binary; the test also probes the project-root path.
        Test textTest;
        Configuration& xc = textTest.config;
        xc.path                 = cfg.path;
        xc.name                 = "ShapeTextCache";
        xc.outputName           = "ShapeTextCache";
        xc.type                 = ConfigurationType::Executable;
        xc.target               = cfg.target;
        xc.march                = cfg.march;
        xc.mtune                = cfg.mtune;
        xc.debug                = cfg.debug;
        xc.sysroot              = cfg.sysroot;
        xc.dependencies         = cfg.dependencies;
        xc.externalDependencies = cfg.externalDependencies;
        xc.compileFlags         = cfg.compileFlags;
        xc.linkFlags            = cfg.linkFlags;
        xc.defines              = cfg.defines;
        xc.cFiles               = cfg.cFiles;
        xc.files                = { fs::path("tests/ShapeTextCache/font.ttf") };
        std::vector<fs::path> textImpls(impls.begin(), impls.end());
        textImpls.emplace_back("tests/ShapeTextCache/main");
        xc.GetInterfacesAndImplementations(ifaces, textImpls);
        cfg.tests.push_back(std::move(textTest));

        // Issue #59: Device::GetMemoryType gained a `preferred` mask and a
        // required-only fallback so callers combining a mandatory flag with a
        // perf-only one (HOST_VISIBLE | DEVICE_LOCAL descriptor heaps) no
        // longer throw on devices without a host-visible device-local heap.
        // The selection is pure CPU logic over Device::memoryProperties, so
        // this test installs synthetic memory layouts and drives it directly —
        // no GPU device needed at runtime.
        Test memTest;
        Configuration& mc = memTest.config;
        mc.path                 = cfg.path;
        mc.name                 = "MemoryTypeFallback";
        mc.outputName           = "MemoryTypeFallback";
        mc.type                 = ConfigurationType::Executable;
        mc.target               = cfg.target;
        mc.march                = cfg.march;
        mc.mtune                = cfg.mtune;
        mc.debug                = cfg.debug;
        mc.sysroot              = cfg.sysroot;
        mc.dependencies         = cfg.dependencies;
        mc.externalDependencies = cfg.externalDependencies;
        mc.compileFlags         = cfg.compileFlags;
        mc.linkFlags            = cfg.linkFlags;
        mc.defines              = cfg.defines;
        mc.cFiles               = cfg.cFiles;
        std::vector<fs::path> memImpls(impls.begin(), impls.end());
        memImpls.emplace_back("tests/MemoryTypeFallback/main");
        mc.GetInterfacesAndImplementations(ifaces, memImpls);
        cfg.tests.push_back(std::move(memTest));

        // Issue #70: ImageVulkan's mip-chain upload folds the never-read final
        // blit destination into a single batched final-transition barrier
        // instead of giving it a dedicated DST->SRC barrier. The barrier set is
        // built by BuildMipChainFinalBarriers, pure CPU logic over mip count and
        // layout, so this test drives it directly — no GPU device at runtime.
        Test mipBarrierTest;
        Configuration& mbc = mipBarrierTest.config;
        mbc.path                 = cfg.path;
        mbc.name                 = "MipChainBarrierBatch";
        mbc.outputName           = "MipChainBarrierBatch";
        mbc.type                 = ConfigurationType::Executable;
        mbc.target               = cfg.target;
        mbc.march                = cfg.march;
        mbc.mtune                = cfg.mtune;
        mbc.debug                = cfg.debug;
        mbc.sysroot              = cfg.sysroot;
        mbc.dependencies         = cfg.dependencies;
        mbc.externalDependencies = cfg.externalDependencies;
        mbc.compileFlags         = cfg.compileFlags;
        mbc.linkFlags            = cfg.linkFlags;
        mbc.defines              = cfg.defines;
        mbc.cFiles               = cfg.cFiles;
        std::vector<fs::path> mipBarrierImpls(impls.begin(), impls.end());
        mipBarrierImpls.emplace_back("tests/MipChainBarrierBatch/main");
        mbc.GetInterfacesAndImplementations(ifaces, mipBarrierImpls);
        cfg.tests.push_back(std::move(mipBarrierTest));

        // Issue #115: the frame loop's inter-pass and acquire/present barriers
        // no longer use ALL_COMMANDS / a queue-wide VkMemoryBarrier. The stage
        // masks are derived per pass via RenderPass::SwapchainStage() (compute
        // vs ray-tracing) and unioned across the frame by SwapchainStageUnion,
        // and the inter-pass dependency is scoped to the swapchain image by
        // BuildSwapchainInterPassBarrier — all pure CPU logic over the pass
        // list, so this test drives them directly with no GPU at runtime.
        Test swapBarrierTest;
        Configuration& sbc = swapBarrierTest.config;
        sbc.path                 = cfg.path;
        sbc.name                 = "SwapchainBarrierScope";
        sbc.outputName           = "SwapchainBarrierScope";
        sbc.type                 = ConfigurationType::Executable;
        sbc.target               = cfg.target;
        sbc.march                = cfg.march;
        sbc.mtune                = cfg.mtune;
        sbc.debug                = cfg.debug;
        sbc.sysroot              = cfg.sysroot;
        sbc.dependencies         = cfg.dependencies;
        sbc.externalDependencies = cfg.externalDependencies;
        sbc.compileFlags         = cfg.compileFlags;
        sbc.linkFlags            = cfg.linkFlags;
        sbc.defines              = cfg.defines;
        sbc.cFiles               = cfg.cFiles;
        std::vector<fs::path> swapBarrierImpls(impls.begin(), impls.end());
        swapBarrierImpls.emplace_back("tests/SwapchainBarrierScope/main");
        sbc.GetInterfacesAndImplementations(ifaces, swapBarrierImpls);
        cfg.tests.push_back(std::move(swapBarrierTest));

        // Issue #47: the fused UI uber-kernel (shaders/ui-fused.comp.glsl) and
        // its C++ push-constant mirror UIFusedHeader. Compiles the real shader
        // with glslang, validates with spirv-val, and pins the push-constant
        // member offsets to UIFusedHeader's layout so a GLSL/C++ drift can't
        // slip through (the C++ static_assert only guards the C++ side). No GPU
        // device at runtime, but glslang + spirv-val are required tools.
        Test fusedTest;
        Configuration& ftc = fusedTest.config;
        ftc.path                 = cfg.path;
        ftc.name                 = "UIFusedShader";
        ftc.outputName           = "UIFusedShader";
        ftc.type                 = ConfigurationType::Executable;
        ftc.target               = cfg.target;
        ftc.march                = cfg.march;
        ftc.mtune                = cfg.mtune;
        ftc.debug                = cfg.debug;
        ftc.sysroot              = cfg.sysroot;
        ftc.dependencies         = cfg.dependencies;
        ftc.externalDependencies = cfg.externalDependencies;
        ftc.compileFlags         = cfg.compileFlags;
        ftc.linkFlags            = cfg.linkFlags;
        ftc.defines              = cfg.defines;
        ftc.cFiles               = cfg.cFiles;
        std::vector<fs::path> fusedImpls(impls.begin(), impls.end());
        fusedImpls.emplace_back("tests/UIFusedShader/main");
        ftc.GetInterfacesAndImplementations(ifaces, fusedImpls);
        fusedTest.requires_ = { "tool:glslang", "tool:spirv-val" };
        cfg.tests.push_back(std::move(fusedTest));

        // Issue #60: VulkanBuffer::FlushDevice / FlushHost now record the chosen
        // memory type's propertyFlags at Create time and skip the
        // flush/invalidate when the memory is HOST_COHERENT. The gate is pure
        // logic over the recorded flags, so this test stamps them directly and
        // verifies the coherent path issues no Vulkan call — no GPU device
        // needed at runtime.
        Test flushTest;
        Configuration& fc = flushTest.config;
        fc.path                 = cfg.path;
        fc.name                 = "VulkanBufferFlushGate";
        fc.outputName           = "VulkanBufferFlushGate";
        fc.type                 = ConfigurationType::Executable;
        fc.target               = cfg.target;
        fc.march                = cfg.march;
        fc.mtune                = cfg.mtune;
        fc.debug                = cfg.debug;
        fc.sysroot              = cfg.sysroot;
        fc.dependencies         = cfg.dependencies;
        fc.externalDependencies = cfg.externalDependencies;
        fc.compileFlags         = cfg.compileFlags;
        fc.linkFlags            = cfg.linkFlags;
        fc.defines              = cfg.defines;
        fc.cFiles               = cfg.cFiles;
        std::vector<fs::path> flushImpls(impls.begin(), impls.end());
        flushImpls.emplace_back("tests/VulkanBufferFlushGate/main");
        fc.GetInterfacesAndImplementations(ifaces, flushImpls);
        cfg.tests.push_back(std::move(flushTest));

        // Ranged FlushDevice: UI descriptor registration now flushes only the
        // written descriptor byte range instead of the whole heap, rounding the
        // range outward to nonCoherentAtomSize via AlignMappedFlushRange. The
        // rounding is pure math and the coherent gate is pure logic, so this
        // test drives both directly with no GPU device.
        Test rangedFlushTest;
        Configuration& rfc = rangedFlushTest.config;
        rfc.path                 = cfg.path;
        rfc.name                 = "VulkanBufferRangedFlush";
        rfc.outputName           = "VulkanBufferRangedFlush";
        rfc.type                 = ConfigurationType::Executable;
        rfc.target               = cfg.target;
        rfc.march                = cfg.march;
        rfc.mtune                = cfg.mtune;
        rfc.debug                = cfg.debug;
        rfc.sysroot              = cfg.sysroot;
        rfc.dependencies         = cfg.dependencies;
        rfc.externalDependencies = cfg.externalDependencies;
        rfc.compileFlags         = cfg.compileFlags;
        rfc.linkFlags            = cfg.linkFlags;
        rfc.defines              = cfg.defines;
        rfc.cFiles               = cfg.cFiles;
        std::vector<fs::path> rangedFlushImpls(impls.begin(), impls.end());
        rangedFlushImpls.emplace_back("tests/VulkanBufferRangedFlush/main");
        rfc.GetInterfacesAndImplementations(ifaces, rangedFlushImpls);
        cfg.tests.push_back(std::move(rangedFlushTest));

        // Issue #63: VulkanBuffer::Resize now reuses the existing allocation in
        // place when a new request still fits the created capacity and the
        // immutable-at-create properties match (usage flags fixed at create;
        // chosen memory type still satisfies the required flags), instead of
        // always destroying + reallocating. The reuse guard is pure logic over
        // recorded fields, so this test stamps a fake handle + capacity/flags and
        // verifies the in-place path issues no Vulkan call — no GPU device needed.
        Test resizeTest;
        Configuration& rc = resizeTest.config;
        rc.path                 = cfg.path;
        rc.name                 = "VulkanBufferResizeReuse";
        rc.outputName           = "VulkanBufferResizeReuse";
        rc.type                 = ConfigurationType::Executable;
        rc.target               = cfg.target;
        rc.march                = cfg.march;
        rc.mtune                = cfg.mtune;
        rc.debug                = cfg.debug;
        rc.sysroot              = cfg.sysroot;
        rc.dependencies         = cfg.dependencies;
        rc.externalDependencies = cfg.externalDependencies;
        rc.compileFlags         = cfg.compileFlags;
        rc.linkFlags            = cfg.linkFlags;
        rc.defines              = cfg.defines;
        rc.cFiles               = cfg.cFiles;
        std::vector<fs::path> resizeImpls(impls.begin(), impls.end());
        resizeImpls.emplace_back("tests/VulkanBufferResizeReuse/main");
        rc.GetInterfacesAndImplementations(ifaces, resizeImpls);
        cfg.tests.push_back(std::move(resizeTest));

        // Issue #101: fence-keyed deferred resource-deletion queue. Since #40
        // dropped the per-frame wait-idle, destroying a buffer the GPU may
        // still read (Resize's reallocate path) is a use-after-free.
        // VulkanBuffer::DeferredClear / Resize now hand handles to Device's
        // queue, which ReclaimDeletions frees only after framesInFlight frames
        // and DrainDeletions frees on a wait-idle. The retire timing is driven
        // on a real headless device (real buffers so the frees execute and the
        // validation layer can object) by stepping Device::frameCounter — no
        // swapchain/window needed, so it shares the native build settings.
        Test deferredTest;
        Configuration& dc = deferredTest.config;
        dc.path                 = cfg.path;
        dc.name                 = "DeferredDeletion";
        dc.outputName           = "DeferredDeletion";
        dc.type                 = ConfigurationType::Executable;
        dc.target               = cfg.target;
        dc.march                = cfg.march;
        dc.mtune                = cfg.mtune;
        dc.debug                = cfg.debug;
        dc.sysroot              = cfg.sysroot;
        dc.dependencies         = cfg.dependencies;
        dc.externalDependencies = cfg.externalDependencies;
        dc.compileFlags         = cfg.compileFlags;
        dc.linkFlags            = cfg.linkFlags;
        dc.defines              = cfg.defines;
        dc.cFiles               = cfg.cFiles;
        std::vector<fs::path> deferredImpls(impls.begin(), impls.end());
        deferredImpls.emplace_back("tests/DeferredDeletion/main");
        dc.GetInterfacesAndImplementations(ifaces, deferredImpls);
        cfg.tests.push_back(std::move(deferredTest));

        // Issue #67: the compressed Mesh::Build path no longer pins its
        // host-visible `compressedStaging` for the mesh's life — it releases it
        // via DeferredClear() right after recording the GPU decompress, so the
        // fence-keyed deletion queue (#101/#102) frees it once that submit's
        // frame has cleared. Drives the real VK_EXT_memory_decompression /
        // GDeflate path on a headless device (no swapchain/window — a decompress
        // + BLAS build only needs the queue + command pool) and asserts the
        // staging is enqueued (not pinned), the build is validation-clean with
        // correct decompressed data, and the entry retires only after
        // framesInFlight frames. Shares the native build settings; needs the
        // asset pipeline for SaveCompressed/LoadCompressedMesh (cfg.dependencies
        // already carries Crafter.Asset).
        Test meshStagingTest;
        Configuration& msc = meshStagingTest.config;
        msc.path                 = cfg.path;
        msc.name                 = "MeshDecompressStagingRelease";
        msc.outputName           = "MeshDecompressStagingRelease";
        msc.type                 = ConfigurationType::Executable;
        msc.target               = cfg.target;
        msc.march                = cfg.march;
        msc.mtune                = cfg.mtune;
        msc.debug                = cfg.debug;
        msc.sysroot              = cfg.sysroot;
        msc.dependencies         = cfg.dependencies;
        msc.externalDependencies = cfg.externalDependencies;
        msc.compileFlags         = cfg.compileFlags;
        msc.linkFlags            = cfg.linkFlags;
        msc.defines              = cfg.defines;
        msc.cFiles               = cfg.cFiles;
        std::vector<fs::path> meshStagingImpls(impls.begin(), impls.end());
        meshStagingImpls.emplace_back("tests/MeshDecompressStagingRelease/main");
        msc.GetInterfacesAndImplementations(ifaces, meshStagingImpls);
        cfg.tests.push_back(std::move(meshStagingTest));

        // Issue #114: a static ImageVulkan no longer pins its host-visible
        // staging `buffer` for the image's life — Update releases it via
        // DeferredClear() right after recording the buffer→image copy, so the
        // fence-keyed deletion queue (#101/#102) frees it once that submit's
        // frame clears, while a `streamed` image (the FontAtlas) keeps its
        // persistent map. Drives the real upload path on a headless device (no
        // swapchain/window — a buffer→image copy + readback only needs the queue
        // + command pool) and asserts the staging is enqueued (not pinned), the
        // image reads back byte-equal (the released staging outlived the submit),
        // the entry retires only after framesInFlight frames, and a streamed
        // image keeps + then frees its staging on Destroy. Shares the native
        // build settings.
        Test imageStagingTest;
        Configuration& isc = imageStagingTest.config;
        isc.path                 = cfg.path;
        isc.name                 = "ImageStagingRelease";
        isc.outputName           = "ImageStagingRelease";
        isc.type                 = ConfigurationType::Executable;
        isc.target               = cfg.target;
        isc.march                = cfg.march;
        isc.mtune                = cfg.mtune;
        isc.debug                = cfg.debug;
        isc.sysroot              = cfg.sysroot;
        isc.dependencies         = cfg.dependencies;
        isc.externalDependencies = cfg.externalDependencies;
        isc.compileFlags         = cfg.compileFlags;
        isc.linkFlags            = cfg.linkFlags;
        isc.defines              = cfg.defines;
        isc.cFiles               = cfg.cFiles;
        std::vector<fs::path> imageStagingImpls(impls.begin(), impls.end());
        imageStagingImpls.emplace_back("tests/ImageStagingRelease/main");
        isc.GetInterfacesAndImplementations(ifaces, imageStagingImpls);
        cfg.tests.push_back(std::move(imageStagingTest));

        // Issue #89: Device::PreferDirectDeviceWrite chooses the upload strategy
        // for a CPU-written, GPU-read buffer — direct HOST_VISIBLE|DEVICE_LOCAL
        // map+write on ReBAR/UMA vs. staged-into-pure-DEVICE_LOCAL on a small
        // BAR window (#58). The decision is pure CPU logic over
        // Device::memoryProperties (types + heaps), so this test installs
        // synthetic ReBAR / UMA / small-window / no-BAR layouts and drives it
        // directly — no GPU device needed at runtime.
        Test uploadTest;
        Configuration& uc = uploadTest.config;
        uc.path                 = cfg.path;
        uc.name                 = "UploadStrategy";
        uc.outputName           = "UploadStrategy";
        uc.type                 = ConfigurationType::Executable;
        uc.target               = cfg.target;
        uc.march                = cfg.march;
        uc.mtune                = cfg.mtune;
        uc.debug                = cfg.debug;
        uc.sysroot              = cfg.sysroot;
        uc.dependencies         = cfg.dependencies;
        uc.externalDependencies = cfg.externalDependencies;
        uc.compileFlags         = cfg.compileFlags;
        uc.linkFlags            = cfg.linkFlags;
        uc.defines              = cfg.defines;
        uc.cFiles               = cfg.cFiles;
        std::vector<fs::path> uploadImpls(impls.begin(), impls.end());
        uploadImpls.emplace_back("tests/UploadStrategy/main");
        uc.GetInterfacesAndImplementations(ifaces, uploadImpls);
        cfg.tests.push_back(std::move(uploadTest));

        // Issue #57: Font::GetLineWidth memoises per-codepoint advances in
        // font units (Font::AdvanceUnits) and rescales per call, instead of
        // calling stbtt_GetCodepointHMetrics for every glyph on every caret
        // query. Pure CPU — Font only touches stb_truetype — so this drives
        // the public API directly with no Vulkan device. The font file is
        // copied next to the binary; the test also probes the project root.
        Test advTest;
        Configuration& vc = advTest.config;
        vc.path                 = cfg.path;
        vc.name                 = "FontAdvanceCache";
        vc.outputName           = "FontAdvanceCache";
        vc.type                 = ConfigurationType::Executable;
        vc.target               = cfg.target;
        vc.march                = cfg.march;
        vc.mtune                = cfg.mtune;
        vc.debug                = cfg.debug;
        vc.sysroot              = cfg.sysroot;
        vc.dependencies         = cfg.dependencies;
        vc.externalDependencies = cfg.externalDependencies;
        vc.compileFlags         = cfg.compileFlags;
        vc.linkFlags            = cfg.linkFlags;
        vc.defines              = cfg.defines;
        vc.cFiles               = cfg.cFiles;
        vc.files                = { fs::path("tests/FontAdvanceCache/font.ttf") };
        std::vector<fs::path> advImpls(impls.begin(), impls.end());
        advImpls.emplace_back("tests/FontAdvanceCache/main");
        vc.GetInterfacesAndImplementations(ifaces, advImpls);
        cfg.tests.push_back(std::move(advTest));

        // Issue #50: uiResolveScreenPixel now gates its per-pixel clip-rect
        // compares on the reserved kUIFlagClip bit, which FillHeader sets only
        // when the clip rect is narrower than the surface. The decision lives
        // in UIRenderer::ClipFlags — pure CPU logic over the clip rect and the
        // surface size — so this test drives it directly with synthetic
        // dimensions, no Window or GPU device needed at runtime.
        Test clipTest;
        Configuration& clc = clipTest.config;
        clc.path                 = cfg.path;
        clc.name                 = "UIClipFlag";
        clc.outputName           = "UIClipFlag";
        clc.type                 = ConfigurationType::Executable;
        clc.target               = cfg.target;
        clc.march                = cfg.march;
        clc.mtune                = cfg.mtune;
        clc.debug                = cfg.debug;
        clc.sysroot              = cfg.sysroot;
        clc.dependencies         = cfg.dependencies;
        clc.externalDependencies = cfg.externalDependencies;
        clc.compileFlags         = cfg.compileFlags;
        clc.linkFlags            = cfg.linkFlags;
        clc.defines              = cfg.defines;
        clc.cFiles               = cfg.cFiles;
        std::vector<fs::path> clipImpls(impls.begin(), impls.end());
        clipImpls.emplace_back("tests/UIClipFlag/main");
        clc.GetInterfacesAndImplementations(ifaces, clipImpls);
        cfg.tests.push_back(std::move(clipTest));

        // Issue #56: InputField_HitTestCursor mapped a click x to a cursor byte
        // offset by re-walking the prefix for every boundary (O(n^2) glyph
        // metric lookups) over raw byte boundaries. It now delegates to
        // Font::NearestCursorByte — one cumulative-advance pass over codepoint
        // boundaries. The mapping is pure CPU over a TrueType file, so this test
        // drives it directly: no Vulkan device or window. The font is copied
        // next to the binary; the test also probes the project-root path.
        Test hitTest;
        Configuration& hc = hitTest.config;
        hc.path                 = cfg.path;
        hc.name                 = "InputFieldHitTest";
        hc.outputName           = "InputFieldHitTest";
        hc.type                 = ConfigurationType::Executable;
        hc.target               = cfg.target;
        hc.march                = cfg.march;
        hc.mtune                = cfg.mtune;
        hc.debug                = cfg.debug;
        hc.sysroot              = cfg.sysroot;
        hc.dependencies         = cfg.dependencies;
        hc.externalDependencies = cfg.externalDependencies;
        hc.compileFlags         = cfg.compileFlags;
        hc.linkFlags            = cfg.linkFlags;
        hc.defines              = cfg.defines;
        hc.cFiles               = cfg.cFiles;
        hc.files                = { fs::path("tests/InputFieldHitTest/font.ttf") };
        std::vector<fs::path> hitImpls(impls.begin(), impls.end());
        hitImpls.emplace_back("tests/InputFieldHitTest/main");
        hc.GetInterfacesAndImplementations(ifaces, hitImpls);
        cfg.tests.push_back(std::move(hitTest));

        // Issue #128: DrawInputField re-measured the cursor prefix via
        // Font::GetLineWidth every frame of a focused field even though only the
        // blink changes frame-to-frame. The prefix WIDTH is now memoised on the
        // InputField keyed on (prefix bytes, fontSize); the absolute caretX is
        // deliberately not cached so a relocated field can't get a stale caret.
        // The memo is transparent presentation logic over a TrueType file —
        // DrawText no-ops with a null atlas/renderer — so this test drives
        // DrawInputField directly with no Vulkan device or window. The font is
        // copied next to the binary; the test also probes the project root.
        Test caretTest;
        Configuration& crc = caretTest.config;
        crc.path                 = cfg.path;
        crc.name                 = "InputFieldCaretCache";
        crc.outputName           = "InputFieldCaretCache";
        crc.type                 = ConfigurationType::Executable;
        crc.target               = cfg.target;
        crc.march                = cfg.march;
        crc.mtune                = cfg.mtune;
        crc.debug                = cfg.debug;
        crc.sysroot              = cfg.sysroot;
        crc.dependencies         = cfg.dependencies;
        crc.externalDependencies = cfg.externalDependencies;
        crc.compileFlags         = cfg.compileFlags;
        crc.linkFlags            = cfg.linkFlags;
        crc.defines              = cfg.defines;
        crc.cFiles               = cfg.cFiles;
        crc.files                = { fs::path("tests/InputFieldCaretCache/font.ttf") };
        std::vector<fs::path> caretImpls(impls.begin(), impls.end());
        caretImpls.emplace_back("tests/InputFieldCaretCache/main");
        crc.GetInterfacesAndImplementations(ifaces, caretImpls);
        cfg.tests.push_back(std::move(caretTest));

        // Issue #69: the engine feeds one shared Device::pipelineCache to every
        // vkCreate*Pipelines call and persists it across runs, discarding an
        // on-disk blob whose header doesn't match the current GPU. That gate —
        // Device::PipelineCacheDataCompatible — is pure logic over the standard
        // VkPipelineCache header and Device::deviceProperties, so this test
        // stamps synthetic device identities + headers and drives it directly,
        // no GPU device needed at runtime.
        Test cacheTest;
        Configuration& cc = cacheTest.config;
        cc.path                 = cfg.path;
        cc.name                 = "PipelineCacheValidation";
        cc.outputName           = "PipelineCacheValidation";
        cc.type                 = ConfigurationType::Executable;
        cc.target               = cfg.target;
        cc.march                = cfg.march;
        cc.mtune                = cfg.mtune;
        cc.debug                = cfg.debug;
        cc.sysroot              = cfg.sysroot;
        cc.dependencies         = cfg.dependencies;
        cc.externalDependencies = cfg.externalDependencies;
        cc.compileFlags         = cfg.compileFlags;
        cc.linkFlags            = cfg.linkFlags;
        cc.defines              = cfg.defines;
        cc.cFiles               = cfg.cFiles;
        std::vector<fs::path> cacheImpls(impls.begin(), impls.end());
        cacheImpls.emplace_back("tests/PipelineCacheValidation/main");
        cc.GetInterfacesAndImplementations(ifaces, cacheImpls);
        cfg.tests.push_back(std::move(cacheTest));
    }

    return cfg;
}