Crafter.Graphics/examples/RTVolume/project.cpp

//SPDX-License-Identifier: MIT
//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) {
    bool isWasm = false;
    for (std::string_view a : args) {
        if (a.starts_with("--target=") && a.find("wasm") != std::string_view::npos) {
            isWasm = true;
            break;
        }
    }

    std::vector<std::string> graphicsArgs(args.begin(), args.end());
    Configuration* graphics = LocalProject({
        .projectFile = "../../project.cpp",
        .args = graphicsArgs,
    });

    Configuration cfg;
    cfg.path = "./";
    cfg.name = "RTVolume";
    cfg.outputName = "RTVolume";
    cfg.type = ConfigurationType::Executable;
    if (isWasm) {
        cfg.target = "wasm32-wasip1";
        cfg.defines.push_back({"CRAFTER_GRAPHICS_WINDOW_DOM", ""});
        cfg.compileFlags.push_back("-msimd128");
    }
    ApplyStandardArgs(cfg, args);
    cfg.dependencies = { graphics };

    std::array<fs::path, 0> ifaces = {};
    std::array<fs::path, 1> impls = { "main" };
    cfg.GetInterfacesAndImplementations(ifaces, impls);

    if (isWasm) {
        cfg.files.emplace_back(fs::path("raygen.wgsl"));
        cfg.files.emplace_back(fs::path("intersection.wgsl"));
        cfg.files.emplace_back(fs::path("anyhit.wgsl"));
        cfg.files.emplace_back(fs::path("closesthit.wgsl"));
        cfg.files.emplace_back(fs::path("miss.wgsl"));
        cfg.files.emplace_back(fs::path("resolve.wgsl"));
        // GPU producer for the AABB build input (issue #37): writes the
        // procedural boxes into a device buffer fed straight to BuildProcedural.
        cfg.files.emplace_back(fs::path("aabbs.comp.wgsl"));
        EnableWasiBrowserRuntime(cfg);
    } else {
        cfg.shaders.emplace_back(fs::path("raygen.glsl"),       std::string("main"), ShaderType::RayGen);
        cfg.shaders.emplace_back(fs::path("miss.glsl"),         std::string("main"), ShaderType::Miss);
        cfg.shaders.emplace_back(fs::path("closesthit.glsl"),   std::string("main"), ShaderType::ClosestHit);
        cfg.shaders.emplace_back(fs::path("anyhit.glsl"),       std::string("main"), ShaderType::AnyHit);
        cfg.shaders.emplace_back(fs::path("intersection.glsl"), std::string("main"), ShaderType::Intersect);
        // GPU producer for the AABB build input (issue #37): writes the
        // procedural boxes into a device buffer fed straight to BuildProcedural.
        cfg.shaders.emplace_back(fs::path("aabbs.comp.glsl"),   std::string("main"), ShaderType::Compute);
    }
    return cfg;
}