axmol/cocos/base/CCConfiguration.cpp

/****************************************************************************
Copyright (c) 2010      Ricardo Quesada
Copyright (c) 2010-2012 cocos2d-x.org
Copyright (c) 2013-2016 Chukong Technologies Inc.
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
Copyright (c) 2020-2021 c4games.com

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****************************************************************************/

#include "base/CCConfiguration.h"
#include "platform/CCFileUtils.h"
#include "base/CCEventCustom.h"
#include "base/CCDirector.h"
#include "base/CCEventDispatcher.h"
#include "renderer/backend/Device.h"

NS_CC_BEGIN

extern const char* adxeVersion();

Configuration* Configuration::s_sharedConfiguration = nullptr;

const char* Configuration::CONFIG_FILE_LOADED = "config_file_loaded";

Configuration::Configuration()
    : _maxModelviewStackDepth(0)
    , _supportsPVRTC(false)
    , _supportsETC1(false)
    , _supportsETC2(false)
    , _supportsS3TC(false)
    , _supportsATITC(false)
    , _supportsASTC(false)
    , _supportsNPOT(false)
    , _supportsBGRA8888(false)
    , _supportsDiscardFramebuffer(false)
    , _supportsShareableVAO(false)
    , _supportsOESMapBuffer(false)
    , _supportsOESDepth24(false)
    , _supportsOESPackedDepthStencil(false)
    , _maxDirLightInShader(1)
    , _maxPointLightInShader(1)
    , _maxSpotLightInShader(1)
    , _animate3DQuality(Animate3DQuality::QUALITY_LOW)
{
    _loadedEvent = new EventCustom(CONFIG_FILE_LOADED);
}

bool Configuration::init()
{
    _valueDict["adxe.version"] = Value(adxeVersion());

#if CC_ENABLE_PROFILERS
    _valueDict["adxe.compiled_with_profiler"] = Value(true);
#else
    _valueDict["adxe.compiled_with_profiler"]       = Value(false);
#endif

#if CC_ENABLE_GL_STATE_CACHE == 0
    _valueDict["adxe.compiled_with_gl_state_cache"] = Value(false);
#else
    _valueDict["adxe.compiled_with_gl_state_cache"] = Value(true);
#endif

#if COCOS2D_DEBUG
    _valueDict["adxe.build_type"] = Value("DEBUG");
#else
    _valueDict["adxe.build_type"]                   = Value("RELEASE");
#endif

    return true;
}

Configuration::~Configuration()
{
    CC_SAFE_DELETE(_loadedEvent);
}

std::string Configuration::getInfo() const
{
    // And Dump some warnings as well
#if CC_ENABLE_PROFILERS
    CCLOG(
        "cocos2d: **** WARNING **** CC_ENABLE_PROFILERS is defined. Disable it when you finish profiling (from "
        "ccConfig.h)\n");
#endif

#if CC_ENABLE_GL_STATE_CACHE == 0
    CCLOG(
        "cocos2d: **** WARNING **** CC_ENABLE_GL_STATE_CACHE is disabled. To improve performance, enable it (from "
        "ccConfig.h)\n");
#endif

    // Dump
    Value forDump = Value(_valueDict);
    return forDump.getDescription();
}

void Configuration::gatherGPUInfo()
{
    auto _deviceInfo = backend::Device::getInstance()->getDeviceInfo();
    CCLOG("Supported extensions: %s", _deviceInfo->getExtension());

    _valueDict["vendor"]   = Value(_deviceInfo->getVendor());
    _valueDict["renderer"] = Value(_deviceInfo->getRenderer());
    _valueDict["version"]  = Value(_deviceInfo->getVersion());

    _valueDict["max_texture_size"]      = Value(_deviceInfo->getMaxTextureSize());
    _valueDict["max_vertex_attributes"] = Value(_deviceInfo->getMaxAttributes());
    _valueDict["max_texture_units"]     = Value(_deviceInfo->getMaxTextureUnits());
    _valueDict["max_samples_allowed"]   = Value(_deviceInfo->getMaxSamplesAllowed());

    _supportsNPOT               = true;
    _valueDict["supports_NPOT"] = Value(_supportsNPOT);

    _supportsETC1               = _deviceInfo->checkForFeatureSupported(backend::FeatureType::ETC1);
    _valueDict["supports_ETC1"] = Value(_supportsETC1);

    _supportsETC2               = _deviceInfo->checkForFeatureSupported(backend::FeatureType::ETC2);
    _valueDict["supports_ETC2"] = Value(_supportsETC2);

    _supportsS3TC               = _deviceInfo->checkForFeatureSupported(backend::FeatureType::S3TC);
    _valueDict["supports_S3TC"] = Value(_supportsS3TC);

    _supportsATITC               = _deviceInfo->checkForFeatureSupported(backend::FeatureType::AMD_COMPRESSED_ATC);
    _valueDict["supports_ATITC"] = Value(_supportsATITC);

    _supportsASTC               = _deviceInfo->checkForFeatureSupported(backend::FeatureType::ASTC);
    _valueDict["supports_ASTC"] = Value(_supportsASTC);

    _supportsPVRTC               = _deviceInfo->checkForFeatureSupported(backend::FeatureType::PVRTC);
    _valueDict["supports_PVRTC"] = Value(_supportsPVRTC);

    _supportsBGRA8888               = _deviceInfo->checkForFeatureSupported(backend::FeatureType::IMG_FORMAT_BGRA8888);
    _valueDict["supports_BGRA8888"] = Value(_supportsBGRA8888);

    _supportsDiscardFramebuffer = _deviceInfo->checkForFeatureSupported(backend::FeatureType::DISCARD_FRAMEBUFFER);
    _valueDict["supports_discard_framebuffer"] = Value(_supportsDiscardFramebuffer);

    _supportsOESPackedDepthStencil = _deviceInfo->checkForFeatureSupported(backend::FeatureType::PACKED_DEPTH_STENCIL);
    _valueDict["supports_OES_packed_depth_stencil"] = Value(_supportsOESPackedDepthStencil);

    _supportsShareableVAO                      = _deviceInfo->checkForFeatureSupported(backend::FeatureType::VAO);
    _valueDict["supports_vertex_array_object"] = Value(_supportsShareableVAO);

    _supportsOESMapBuffer                 = _deviceInfo->checkForFeatureSupported(backend::FeatureType::MAPBUFFER);
    _valueDict["supports_OES_map_buffer"] = Value(_supportsOESMapBuffer);

    _supportsOESDepth24                = _deviceInfo->checkForFeatureSupported(backend::FeatureType::DEPTH24);
    _valueDict["supports_OES_depth24"] = Value(_supportsOESDepth24);

    _glExtensions = _deviceInfo->getExtension();
}

Configuration* Configuration::getInstance()
{
    if (!s_sharedConfiguration)
    {
        s_sharedConfiguration = new Configuration();
        s_sharedConfiguration->init();
    }

    return s_sharedConfiguration;
}

void Configuration::destroyInstance()
{
    CC_SAFE_RELEASE_NULL(s_sharedConfiguration);
}

bool Configuration::checkForGLExtension(std::string_view searchName) const
{
    return _glExtensions.find(searchName) != std::string::npos;
}

//
// getters for specific variables.
// Maintained for backward compatibility reasons only.
//
int Configuration::getMaxTextureSize() const
{
    auto _deviceInfo = backend::Device::getInstance()->getDeviceInfo();
    return _deviceInfo->getMaxTextureSize();
}

int Configuration::getMaxModelviewStackDepth() const
{
    return _maxModelviewStackDepth;
}

int Configuration::getMaxTextureUnits() const
{
    auto _deviceInfo = backend::Device::getInstance()->getDeviceInfo();
    return _deviceInfo->getMaxTextureUnits();
}

bool Configuration::supportsNPOT() const
{
    return _supportsNPOT;
}

bool Configuration::supportsPVRTC() const
{
    return _supportsPVRTC;
}

bool Configuration::supportsETC1() const
{
    return _supportsETC1;
}

bool Configuration::supportsETC2() const
{
    return _supportsETC2;
}

bool Configuration::supportsS3TC() const
{
    return _supportsS3TC;
}

bool Configuration::supportsATITC() const
{
    return _supportsATITC;
}

bool Configuration::supportsASTC() const
{
    return _supportsASTC;
}

bool Configuration::supportsBGRA8888() const
{
    return _supportsBGRA8888;
}

bool Configuration::supportsDiscardFramebuffer() const
{
    return _supportsDiscardFramebuffer;
}

bool Configuration::supportsShareableVAO() const
{
#if CC_TEXTURE_ATLAS_USE_VAO
    return _supportsShareableVAO;
#else
    return false;
#endif
}

bool Configuration::supportsMapBuffer() const
{
    // Fixes Github issue #16123
    //
    // XXX: Fixme. Should check GL ES and not iOS or Android
    // For example, linux could be compiled with GL ES. Or perhaps in the future Android will
    // support OpenGL. This is because glMapBufferOES() is an extension of OpenGL ES. And glMapBuffer()
    // is always implemented in OpenGL.

    // XXX: Warning. On iOS this is always `true`. Avoiding the comparison.
#if defined(CC_USE_GLES) && !defined(__APPLE__)
    return _supportsOESMapBuffer;
#else
    return true;
#endif
}

bool Configuration::supportsOESDepth24() const
{
    return _supportsOESDepth24;
}
bool Configuration::supportsOESPackedDepthStencil() const
{
    return _supportsOESPackedDepthStencil;
}

int Configuration::getMaxSupportDirLightInShader() const
{
    return _maxDirLightInShader;
}

int Configuration::getMaxSupportPointLightInShader() const
{
    return _maxPointLightInShader;
}

int Configuration::getMaxSupportSpotLightInShader() const
{
    return _maxSpotLightInShader;
}

Animate3DQuality Configuration::getAnimate3DQuality() const
{
    return _animate3DQuality;
}

//
// generic getters for properties
//
const Value& Configuration::getValue(std::string_view key, const Value& defaultValue) const
{
    auto iter = _valueDict.find(key);
    if (iter != _valueDict.cend())
        return iter->second;

    return defaultValue;
}

void Configuration::setValue(std::string_view key, const Value& value)
{
    hlookup::set_item(_valueDict, key, value);  // _valueDict[key] = value;
}

//
// load file
//
void Configuration::loadConfigFile(std::string_view filename)
{
    ValueMap dict = FileUtils::getInstance()->getValueMapFromFile(filename);
    CCASSERT(!dict.empty(), "cannot create dictionary");

    // search for metadata
    bool validMetadata = false;
    auto metadataIter  = dict.find("metadata");
    if (metadataIter != dict.cend() && metadataIter->second.getType() == Value::Type::MAP)
    {

        const auto& metadata = metadataIter->second.asValueMap();
        auto formatIter      = metadata.find("format");

        if (formatIter != metadata.cend())
        {
            int format = formatIter->second.asInt();

            // Support format: 1
            if (format == 1)
            {
                validMetadata = true;
            }
        }
    }

    if (!validMetadata)
    {
        CCLOG("Invalid config format for file: %s", filename.data());
        return;
    }

    auto dataIter = dict.find("data");
    if (dataIter == dict.cend() || dataIter->second.getType() != Value::Type::MAP)
    {
        CCLOG("Expected 'data' dict, but not found. Config file: %s", filename.data());
        return;
    }

    // Add all keys in the existing dictionary

    const auto& dataMap = dataIter->second.asValueMap();
    for (const auto& dataMapIter : dataMap)
    {
        if (_valueDict.find(dataMapIter.first) == _valueDict.cend())
            _valueDict[dataMapIter.first] = dataMapIter.second;
        else
            CCLOG("Key already present. Ignoring '%s'", dataMapIter.first.c_str());
    }

    // light info
    std::string name = "adxe.3d.max_dir_light_in_shader";
    if (_valueDict.find(name) != _valueDict.end())
        _maxDirLightInShader = _valueDict[name].asInt();
    else
        _valueDict[name] = Value(_maxDirLightInShader);

    name = "adxe.3d.max_point_light_in_shader";
    if (_valueDict.find(name) != _valueDict.end())
        _maxPointLightInShader = _valueDict[name].asInt();
    else
        _valueDict[name] = Value(_maxPointLightInShader);

    name = "adxe.3d.max_spot_light_in_shader";
    if (_valueDict.find(name) != _valueDict.end())
        _maxSpotLightInShader = _valueDict[name].asInt();
    else
        _valueDict[name] = Value(_maxSpotLightInShader);

    name = "adxe.3d.animate_quality";
    if (_valueDict.find(name) != _valueDict.end())
        _animate3DQuality = (Animate3DQuality)_valueDict[name].asInt();
    else
        _valueDict[name] = Value((int)_animate3DQuality);

    Director::getInstance()->getEventDispatcher()->dispatchEvent(_loadedEvent);
}

int Configuration::getMaxAttributes() const
{
    auto _deviceInfo = backend::Device::getInstance()->getDeviceInfo();
    return _deviceInfo->getMaxAttributes();
}

NS_CC_END