OpenGL Texture ConvertiontoGLFormat

[0_Azerty_0]

Hi,

I have a problem with texture loading with OpenGL. I am trying to load and convert an image in opengl format, but the convertion crash, and i get back an assertion :
It seems to be a problem of depth of an image.

void Texture::load(QString file)
{
    textpath = QDir::currentPath()+"/"+MESHES_PATH+file;
 
    if(QFile::exists(textpath)) {
        QImage temp;
        temp.load(textpath);
        temp.convertToFormat(QImage::Format_RGB32);
        if(image.load(textpath),"JPG") {
 
            cout << "success to load : " << textpath.toStdString() << endl;
            image = QGLWidget::convertToGLFormat(temp);
            cout << "after convertion" << endl;
            init();
        }
    }
    else
        cout << "Warning : La texture " << file.toStdString() << " n'existe pas dans : "
             << (QDir::currentPath().toStdString()+"/"+MESHES_PATH) << endl;
}
 
void Texture::init()
{
    // Generates 1 id and write it on ID
    glGenTextures(1, &ID);
 
    // Bind texture
    glBindTexture(GL_TEXTURE_2D, ID);
 
    // Send pixels to GC
    glTexImage2D(GL_TEXTURE_2D, 0, 3, image.width(), image.height(), 0, format, GL_UNSIGNED_BYTE, image.bits());
 
    // Filters
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
 
    // Unbind
    glBindTexture(GL_TEXTURE_2D, 0);
}

void Texture::load(QString file)
{
    textpath = QDir::currentPath()+"/"+MESHES_PATH+file;

    if(QFile::exists(textpath)) {
        QImage temp;
        temp.load(textpath);
        temp.convertToFormat(QImage::Format_RGB32);
        if(image.load(textpath),"JPG") {

            cout << "success to load : " << textpath.toStdString() << endl;
            image = QGLWidget::convertToGLFormat(temp);
            cout << "after convertion" << endl;
            init();
        }
    }
    else
        cout << "Warning : La texture " << file.toStdString() << " n'existe pas dans : "
             << (QDir::currentPath().toStdString()+"/"+MESHES_PATH) << endl;
}

void Texture::init()
{
    // Generates 1 id and write it on ID
    glGenTextures(1, &ID);

    // Bind texture
    glBindTexture(GL_TEXTURE_2D, ID);

    // Send pixels to GC
    glTexImage2D(GL_TEXTURE_2D, 0, 3, image.width(), image.height(), 0, format, GL_UNSIGNED_BYTE, image.bits());

    // Filters
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);

    // Unbind
    glBindTexture(GL_TEXTURE_2D, 0);
}

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I call the load(...) function and aI have the next assertion on the ligne 12 when I call : QGLWidget::convertToGLFormat(temp)

ASSERT: "dst.depth() == 32" in file c:\ndk_buildrepos\qt-desktop\src\opengl\qgl.cpp, line 2207
Invalid parameter passed to C runtime function.
Invalid parameter passed to C runtime function.

ASSERT: "dst.depth() == 32" in file c:\ndk_buildrepos\qt-desktop\src\opengl\qgl.cpp, line 2207
Invalid parameter passed to C runtime function.
Invalid parameter passed to C runtime function.

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and I knwo that my image is successfully loaded :

success to load : C:/Users/.........../resources/mesh/cube.jpg

success to load : C:/Users/.........../resources/mesh/cube.jpg

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My variable format is defined like this :

GLuint format;
format = GL_RGB;

GLuint format;
format = GL_RGB;

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I don't see how to solve this problem. :/

Thanks a lot,
Az

[wysota]

QImage::convertToFormat()

[0_Azerty_0]

Hi, I just had to have an image in the Png format. If not, it doesnt work. Thanks