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  [SOLVED] Loading texture from a file and using mipmaps  (Read 2394 times)
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Offline elect

JGO Knight


Medals: 50



« Posted 2012-02-02 09:00:57 »

Hi all,

I am trying to load a texture from a file and then creating automatically mipmaps

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public void loadFloorTexture(GL2 gl) throws IOException  {
        //gl.glEnable(GL2.GL_TEXTURE_2D);
       
        check3dFloorFile = new File(check3dFloorPath);
       
        check3dFloorTexture = TextureIO.newTexture(check3dFloorFile, false);
       
        check3dFloorTexture.setTexParameteri(gl, GL2.GL_TEXTURE_MIN_FILTER, GL2.GL_LINEAR);
        check3dFloorTexture.setTexParameteri(gl, GL2.GL_TEXTURE_MAG_FILTER, GL2.GL_LINEAR);
       
        try {
            InputStream inputStream = getClass().getResourceAsStream(""
                    + "/graphics/EMM-Check_3d_Floor.png");

            TextureData textureData = TextureIO.newTextureData(glProfile,
                                                    inputStream, false, "png");
            check3dFloorTexture = TextureIO.newTexture(textureData);
                       
            glu.gluBuild2DMipmaps(GL2.GL_TEXTURE_2D, GL2.GL_RGB8,
                    check3dFloorTexture.getWidth(), check3dFloorTexture.getHeight(),
                    GL2.GL_RGB, GL2.GL_UNSIGNED_BYTE, ?);            
        }
        catch (IOException iOException) {
            System.exit(1);
        }


The problem is that the gluBuild2DMipmaps requires as last parameter a ByteBuffer object... and I have instead only a texture object...

How can I do?
Offline elect

JGO Knight


Medals: 50



« Reply #1 - Posted 2012-02-02 09:08:49 »

I guess I found it

http://jogamp.org/deployment/jogamp-next/javadoc/jogl/javadoc/com/jogamp/opengl/util/texture/TextureIO.html
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