cocos_lib/cocos/bindings/dop/jsb_dop.cpp

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#include "jsb_dop.h"

#include "BufferAllocator.h"
#include "BufferPool.h"
#include "cocos/bindings/manual/jsb_classtype.h"
#include "cocos/bindings/manual/jsb_conversions.h"
#include "cocos/bindings/manual/jsb_global.h"

/********************************************************
       BufferPool binding
   *******************************************************/
se::Class *jsb_BufferPool_class = nullptr; // NOLINT

static bool jsb_BufferPool_allocateNewChunk(se::State &s) { // NOLINT
    auto *pool = static_cast<se::BufferPool *>(s.nativeThisObject());
    SE_PRECONDITION2(pool, false, "Invalid Native Object");
    s.rval().setObject(pool->allocateNewChunk());
    return true;
}
SE_BIND_FUNC(jsb_BufferPool_allocateNewChunk);

SE_DECLARE_FINALIZE_FUNC(jsb_BufferPool_finalize)

static bool jsb_BufferPool_constructor(se::State &s) { // NOLINT
    const auto &args = s.args();
    size_t argc = args.size();
    if (argc == 3) {
        uint32_t poolType{0};
        uint32_t entryBits{0};
        uint32_t bytesPerEntry{0};

        bool ok = true;
        ok &= sevalue_to_native(args[0], &poolType);
        ok &= sevalue_to_native(args[1], &entryBits);
        ok &= sevalue_to_native(args[2], &bytesPerEntry);
        if (!ok) {
            SE_REPORT_ERROR("jsb_BufferPool_constructor: argument convertion error");
            return false;
        }

        auto *pool = JSB_ALLOC(se::BufferPool, (se::PoolType)poolType, entryBits, bytesPerEntry);
        s.thisObject()->setPrivateData(pool);
        return true;
    }

    SE_REPORT_ERROR("jsb_BufferPool_constructor: wrong number of arguments: %d", (int)argc);
    return false;
}
SE_BIND_CTOR(jsb_BufferPool_constructor, jsb_BufferPool_class, jsb_BufferPool_finalize) // NOLINT

static bool jsb_BufferPool_finalize(se::State &s) { // NOLINT
    return true;
}
SE_BIND_FINALIZE_FUNC(jsb_BufferPool_finalize)

static bool js_register_se_BufferPool(se::Object *obj) { // NOLINT
    se::Class *cls = se::Class::create("NativeBufferPool", obj, nullptr, _SE(jsb_BufferPool_constructor));

    cls->defineFunction("allocateNewChunk", _SE(jsb_BufferPool_allocateNewChunk));
    cls->install();
    JSBClassType::registerClass<se::BufferPool>(cls);

    jsb_BufferPool_class = cls; // NOLINT

    se::ScriptEngine::getInstance()->clearException();
    return true;
}

/*****************************************************
   Array binding
  ******************************************************/
static se::Class *jsb_BufferAllocator_class = nullptr; // NOLINT

SE_DECLARE_FINALIZE_FUNC(jsb_BufferAllocator_finalize)

static bool jsb_BufferAllocator_constructor(se::State &s) { // NOLINT
    const auto &args = s.args();
    size_t argc = args.size();
    if (argc == 1) {
        uint32_t type{0};

        auto *bufferAllocator = JSB_ALLOC(se::BufferAllocator, static_cast<se::PoolType>(type));
        s.thisObject()->setPrivateData(bufferAllocator);
        return true;
    }

    SE_REPORT_ERROR("wrong number of arguments: %d", (int)argc);
    return false;
}
SE_BIND_CTOR(jsb_BufferAllocator_constructor, jsb_BufferAllocator_class, jsb_BufferAllocator_finalize)

static bool jsb_BufferAllocator_finalize(se::State &s) { // NOLINT
    return true;
}
SE_BIND_FINALIZE_FUNC(jsb_BufferAllocator_finalize)

static bool jsb_BufferAllocator_alloc(se::State &s) { // NOLINT
    auto *bufferAllocator = static_cast<se::BufferAllocator *>(s.nativeThisObject());
    SE_PRECONDITION2(bufferAllocator, false, "Invalid Native Object");

    const auto &args = s.args();
    size_t argc = args.size();
    if (argc == 2) {
        uint32_t index{0};
        sevalue_to_native(args[0], &index);
        uint32_t bytes{0};
        sevalue_to_native(args[1], &bytes);
        s.rval().setObject(bufferAllocator->alloc(index, bytes));
        return true;
    }

    SE_REPORT_ERROR("wrong number of arguments: %d", (int)argc);
    return false;
}
SE_BIND_FUNC(jsb_BufferAllocator_alloc);

static bool jsb_BufferAllocator_free(se::State &s) { // NOLINT
    auto *bufferAllocator = static_cast<se::BufferAllocator *>(s.nativeThisObject());
    SE_PRECONDITION2(bufferAllocator, false, "Invalid Native Object");

    const auto &args = s.args();
    size_t argc = args.size();
    if (argc == 1) {
        uint32_t index{0};
        sevalue_to_native(args[0], &index);
        bufferAllocator->free(index);
        return true;
    }

    SE_REPORT_ERROR("wrong number of arguments: %d", (int)argc);
    return false;
}
SE_BIND_FUNC(jsb_BufferAllocator_free);

static bool js_register_se_BufferAllocator(se::Object *obj) { // NOLINT
    se::Class *cls = se::Class::create("NativeBufferAllocator", obj, nullptr, _SE(jsb_BufferAllocator_constructor));
    cls->defineFunction("alloc", _SE(jsb_BufferAllocator_alloc));
    cls->defineFunction("free", _SE(jsb_BufferAllocator_free));
    cls->install();
    JSBClassType::registerClass<se::BufferAllocator>(cls);

    jsb_BufferAllocator_class = cls; // NOLINT

    se::ScriptEngine::getInstance()->clearException();
    return true;
}

bool register_all_dop_bindings(se::Object *obj) { // NOLINT
    // TODO(liuhang): Don't make dop into jsb namespace. Currently put it into jsb namesapce just to test codes.
    se::Value nsVal;
    if (!obj->getProperty("jsb", &nsVal)) {
        se::HandleObject jsobj(se::Object::createPlainObject());
        nsVal.setObject(jsobj);
        obj->setProperty("jsb", nsVal);
    }
    se::Object *ns = nsVal.toObject();

    js_register_se_BufferAllocator(ns); // NOLINT
    js_register_se_BufferPool(ns);      // NOLINT
    return true;
}