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 */ );
}
