texture.cpp

最新osg包

            
    fw.indent() << "internalFormatMode " << Texture_getInternalFormatModeStr(texture.getInternalFormatMode()) << std::endl;
    if (texture.getInternalFormatMode()==Texture::USE_USER_DEFINED_FORMAT)
    {

        const char* str = Texture_getInternalFormatStr(texture.getInternalFormat());

        if (str) fw.indent() << "internalFormat " << str << std::endl;
        else fw.indent() << "internalFormat " << texture.getInternalFormat() << std::endl;

    }
    
    if (texture.getSourceFormat())
    {
        const char* str = Texture_getInternalFormatStr(texture.getSourceFormat());

        if (str) fw.indent() << "sourceFormat " << str << std::endl;
        else fw.indent() << "sourceFormat " << texture.getSourceFormat() << std::endl;
        
    }

    if (texture.getSourceType())
    {
        const char* str = Texture_getSourceTypeStr(texture.getSourceType());

        if (str) fw.indent() << "sourceType " << str << std::endl;
        else fw.indent() << "sourceType " << texture.getSourceType() << std::endl;
        
    }

    fw.indent() << "resizeNonPowerOfTwo "<< (texture.getResizeNonPowerOfTwoHint()?"TRUE":"FALSE") << std::endl;

    return true;
}


bool Texture_matchWrapStr(const char* str,Texture::WrapMode& wrap)
{
    if (strcmp(str,"CLAMP")==0) wrap = Texture::CLAMP;
    else if (strcmp(str,"CLAMP_TO_EDGE")==0) wrap = Texture::CLAMP_TO_EDGE;
    else if (strcmp(str,"CLAMP_TO_BORDER")==0) wrap = Texture::CLAMP_TO_BORDER;
    else if (strcmp(str,"REPEAT")==0) wrap = Texture::REPEAT;
    else if (strcmp(str,"MIRROR")==0) wrap = Texture::MIRROR;
    else return false;
    return true;
}


const char* Texture_getWrapStr(Texture::WrapMode wrap)
{
    switch(wrap)
    {
        case(Texture::CLAMP): return "CLAMP";
        case(Texture::CLAMP_TO_EDGE): return "CLAMP_TO_EDGE";
        case(Texture::CLAMP_TO_BORDER): return "CLAMP_TO_BORDER";
        case(Texture::REPEAT): return "REPEAT";
        case(Texture::MIRROR): return "MIRROR";
    }
    return "";
}


bool Texture_matchFilterStr(const char* str,Texture::FilterMode& filter)
{
    if (strcmp(str,"NEAREST")==0) filter = Texture::NEAREST;
    else if (strcmp(str,"LINEAR")==0) filter = Texture::LINEAR;
    else if (strcmp(str,"NEAREST_MIPMAP_NEAREST")==0) filter = Texture::NEAREST_MIPMAP_NEAREST;
    else if (strcmp(str,"LINEAR_MIPMAP_NEAREST")==0) filter = Texture::LINEAR_MIPMAP_NEAREST;
    else if (strcmp(str,"NEAREST_MIPMAP_LINEAR")==0) filter = Texture::NEAREST_MIPMAP_LINEAR;
    else if (strcmp(str,"LINEAR_MIPMAP_LINEAR")==0) filter = Texture::LINEAR_MIPMAP_LINEAR;
    else if (strcmp(str,"ANISOTROPIC")==0) filter = Texture::LINEAR;
    else return false;
    return true;
}


const char* Texture_getFilterStr(Texture::FilterMode filter)
{
    switch(filter)
    {
        case(Texture::NEAREST): return "NEAREST";
        case(Texture::LINEAR): return "LINEAR";
        case(Texture::NEAREST_MIPMAP_NEAREST): return "NEAREST_MIPMAP_NEAREST";
        case(Texture::LINEAR_MIPMAP_NEAREST): return "LINEAR_MIPMAP_NEAREST";
        case(Texture::NEAREST_MIPMAP_LINEAR): return "NEAREST_MIPMAP_LINEAR";
        case(Texture::LINEAR_MIPMAP_LINEAR): return "LINEAR_MIPMAP_LINEAR";
    }
    return "";
}

bool Texture_matchInternalFormatModeStr(const char* str,Texture::InternalFormatMode& mode)
{
    if (strcmp(str,"USE_IMAGE_DATA_FORMAT")==0)          mode = Texture::USE_IMAGE_DATA_FORMAT;
    else if (strcmp(str,"USE_USER_DEFINED_FORMAT")==0)   mode = Texture::USE_USER_DEFINED_FORMAT;
    else if (strcmp(str,"USE_ARB_COMPRESSION")==0)       mode = Texture::USE_ARB_COMPRESSION;
    else if (strcmp(str,"USE_S3TC_DXT1_COMPRESSION")==0) mode = Texture::USE_S3TC_DXT1_COMPRESSION;
    else if (strcmp(str,"USE_S3TC_DXT3_COMPRESSION")==0) mode = Texture::USE_S3TC_DXT3_COMPRESSION;
    else if (strcmp(str,"USE_S3TC_DXT5_COMPRESSION")==0) mode = Texture::USE_S3TC_DXT5_COMPRESSION;
    else return false;
    return true;
}


const char* Texture_getInternalFormatModeStr(Texture::InternalFormatMode mode)
{
    switch(mode)
    {
        case(Texture::USE_IMAGE_DATA_FORMAT):        return "USE_IMAGE_DATA_FORMAT";
        case(Texture::USE_USER_DEFINED_FORMAT):      return "USE_USER_DEFINED_FORMAT";
        case(Texture::USE_ARB_COMPRESSION):          return "USE_ARB_COMPRESSION";
        case(Texture::USE_S3TC_DXT1_COMPRESSION):    return "USE_S3TC_DXT1_COMPRESSION";
        case(Texture::USE_S3TC_DXT3_COMPRESSION):    return "USE_S3TC_DXT3_COMPRESSION";
        case(Texture::USE_S3TC_DXT5_COMPRESSION):    return "USE_S3TC_DXT5_COMPRESSION";
    }
    return "";
}


bool Texture_matchInternalFormatStr(const char* str,int& value)
{
    if (     strcmp(str,"GL_INTENSITY")==0) value = GL_INTENSITY;
    else if (strcmp(str,"GL_LUMINANCE")==0) value = GL_LUMINANCE;
    else if (strcmp(str,"GL_ALPHA")==0) value = GL_ALPHA;
    else if (strcmp(str,"GL_LUMINANCE_ALPHA")==0) value = GL_LUMINANCE_ALPHA;
    else if (strcmp(str,"GL_RGB")==0) value = GL_RGB;
    else if (strcmp(str,"GL_RGBA")==0) value = GL_RGBA;
    else if (strcmp(str,"GL_COMPRESSED_ALPHA_ARB")==0) value = GL_COMPRESSED_ALPHA_ARB;
    else if (strcmp(str,"GL_COMPRESSED_LUMINANCE_ARB")==0) value = GL_COMPRESSED_LUMINANCE_ARB;
    else if (strcmp(str,"GL_COMPRESSED_INTENSITY_ARB")==0) value = GL_COMPRESSED_INTENSITY_ARB;
    else if (strcmp(str,"GL_COMPRESSED_LUMINANCE_ALPHA_ARB")==0) value = GL_COMPRESSED_LUMINANCE_ALPHA_ARB;
    else if (strcmp(str,"GL_COMPRESSED_RGB_ARB")==0) value = GL_COMPRESSED_RGB_ARB;
    else if (strcmp(str,"GL_COMPRESSED_RGBA_ARB")==0) value = GL_COMPRESSED_RGBA_ARB;
    else if (strcmp(str,"GL_COMPRESSED_RGB_S3TC_DXT1_EXT")==0) value = GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
    else if (strcmp(str,"GL_COMPRESSED_RGBA_S3TC_DXT1_EXT")==0) value = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
    else if (strcmp(str,"GL_COMPRESSED_RGBA_S3TC_DXT3_EXT")==0) value = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
    else if (strcmp(str,"GL_COMPRESSED_RGBA_S3TC_DXT5_EXT")==0) value = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
    else
    {
        osgDB::Field::FieldType type = osgDB::Field::calculateFieldType(str);
        if (type==osgDB::Field::INTEGER)
        {
            value = atoi(str);
            return true;
        }
        else
        {
            return false;
        }
    }

    return true;
}


const char* Texture_getInternalFormatStr(int value)
{
    switch(value)
    {
        case(GL_INTENSITY): return "GL_INTENSITY";
        case(GL_LUMINANCE): return "GL_LUMINANCE";
        case(GL_ALPHA): return "GL_ALPHA";
        case(GL_LUMINANCE_ALPHA): return "GL_LUMINANCE_ALPHA";
        case(GL_RGB): return "GL_RGB";
        case(GL_RGBA): return "GL_RGBA";
        case(GL_COMPRESSED_ALPHA_ARB): return "GL_COMPRESSED_ALPHA_ARB";
        case(GL_COMPRESSED_LUMINANCE_ARB): return "GL_COMPRESSED_LUMINANCE_ARB";
        case(GL_COMPRESSED_INTENSITY_ARB): return "GL_COMPRESSED_INTENSITY_ARB";
        case(GL_COMPRESSED_LUMINANCE_ALPHA_ARB): return "GL_COMPRESSED_LUMINANCE_ALPHA_ARB";
        case(GL_COMPRESSED_RGB_ARB): return "GL_COMPRESSED_RGB_ARB";
        case(GL_COMPRESSED_RGBA_ARB): return "GL_COMPRESSED_RGBA_ARB";
        case(GL_COMPRESSED_RGB_S3TC_DXT1_EXT): return "GL_COMPRESSED_RGB_S3TC_DXT1_EXT";
        case(GL_COMPRESSED_RGBA_S3TC_DXT1_EXT): return "GL_COMPRESSED_RGBA_S3TC_DXT1_EXT";
        case(GL_COMPRESSED_RGBA_S3TC_DXT3_EXT): return "GL_COMPRESSED_RGBA_S3TC_DXT3_EXT";
        case(GL_COMPRESSED_RGBA_S3TC_DXT5_EXT): return "GL_COMPRESSED_RGBA_S3TC_DXT5_EXT";
    }
    return NULL;
}

bool Texture_matchSourceTypeStr(const char* str,int& value)
{
    if (     strcmp(str,"GL_BYTE")==0) value = GL_BYTE;
    else if (strcmp(str,"GL_SHORT")==0) value = GL_SHORT;
    else if (strcmp(str,"GL_INT")==0) value = GL_INT;
    else if (strcmp(str,"GL_UNSIGNED_BYTE")==0) value = GL_UNSIGNED_BYTE;
    else if (strcmp(str,"GL_UNSIGNED_SHORT")==0) value = GL_UNSIGNED_SHORT;
    else if (strcmp(str,"GL_UNSIGNED_INT")==0) value = GL_UNSIGNED_INT;
    else if (strcmp(str,"GL_FLOAT")==0) value = GL_FLOAT;
    else
    {
        osgDB::Field::FieldType type = osgDB::Field::calculateFieldType(str);
        if (type==osgDB::Field::INTEGER)
        {
            value = atoi(str);
            return true;
        }
        else
        {
            return false;
        }
    }

    return true;
}


const char* Texture_getSourceTypeStr(int value)
{
    switch(value)
    {
        case(GL_BYTE): return "GL_BYTE";
        case(GL_SHORT): return "GL_SHORT";
        case(GL_INT): return "GL_INT";
        case(GL_FLOAT): return "GL_FLOAT";
        case(GL_UNSIGNED_BYTE): return "GL_UNSIGNED_BYTE";
        case(GL_UNSIGNED_SHORT): return "GL_UNSIGNED_SHORT";
        case(GL_UNSIGNED_INT): return "GL_UNSIGNED_INT";
    }
    return NULL;
}