Exemple #1
0
GPU::Texture2D GPU::Texture2D::Clone() const
{
    glPushAttrib( GL_TEXTURE_BIT );

    GPU::Texture2D newTex;
    newTex.Create();
    newTex.m_Width = Width();
    newTex.m_Height = Height();

    if( m_Id )
    {
        GPU::FrameBuffer fbuffer( Width(), Height() );
        fbuffer.Attach( GL_COLOR_ATTACHMENT0_EXT, this );
        fbuffer.Bind();

        newTex.Bind();
        glCopyTexImage2D( GL_TEXTURE_2D, 0, InternalFormat(), 0, 0, Width(), Height(), 0 );
        newTex.Unbind();

        fbuffer.Unbind();
    }

    glPopAttrib();

    return newTex;
}
 void TextureData3D :: Upload ( GLenum target )
 {
     glTexImage3D (
         target               /* the target texture */,
         0                    /* the level-of-detail number */,
         InternalFormat ( )   /* the number of color components */,
         Width ( )            /* the width of the texture with border */,
         Height ( )           /* the height of the texture with border */,
         Depth ( )            /* the depth of the texture with border */,
         0                    /* the width of the border */,
         PixelFormat ( )      /* the format of the pixel data */,
         Type ( )             /* the data type of the pixel data */,
         fPixels              /* a pointer to the image data */ );
 }