C++ (Cpp) CGLDestroyPBuffer Examples

Example #1

File: CEGUIOpenGLApplePBTextureTarget.cpp Project: Kaza40k/IV-Network

//----------------------------------------------------------------------------//
OpenGLApplePBTextureTarget::~OpenGLApplePBTextureTarget()
{
    if (d_context)
        CGLDestroyContext(d_context);

    if (d_pbuffer)
        CGLDestroyPBuffer(d_pbuffer);
}

Example #2

File: PBuffer.cpp Project: Jackovic/Gem

PBuffer::~PBuffer()
{
  if(data->context) CGLDestroyContext( data->context );
  if(data->pbuffer) CGLDestroyPBuffer( data->pbuffer );
  if(data->pixfmt) CGLDestroyPixelFormat( data->pixfmt );
  CGLSetCurrentContext(NULL);

  delete data;
}

Example #3

File: CEGUIOpenGLApplePBTextureTarget.cpp Project: Kaza40k/IV-Network

//----------------------------------------------------------------------------//
void OpenGLApplePBTextureTarget::grabTexture()
{
    if (d_pbuffer)
    {
        CGLDestroyPBuffer(d_pbuffer);
        d_pbuffer = 0;
    }

    OpenGLTextureTarget::grabTexture();
}

Example #4

File: CEGUIOpenGLApplePBTextureTarget.cpp Project: Kaza40k/IV-Network

//----------------------------------------------------------------------------//
void OpenGLApplePBTextureTarget::declareRenderSize(const Size& sz)
{
    // exit if current size is enough
    if ((d_area.getWidth() >= sz.d_width) &&
            (d_area.getHeight() >= sz.d_height))
        return;

    setArea(Rect(d_area.getPosition(), d_owner.getAdjustedTextureSize(sz)));

    // dump any previous pbuffer
    if (d_pbuffer)
    {
        CGLDestroyPBuffer(d_pbuffer);
        d_pbuffer = 0;
    }

    CGLError err;
    if (err = CGLCreatePBuffer(d_area.getWidth(), d_area.getHeight(),
                               GL_TEXTURE_2D, GL_RGBA, 0, &d_pbuffer))
    {
        CEGUI_THROW(RendererException(
                        "OpenGLApplePBTextureTarget::declareRenderSize "
                        "- CGLCreatePBuffer failed: " + String(CGLErrorString(err))));
    }

    if (err = CGLSetPBuffer(d_context, d_pbuffer, 0, 0, d_screen))
        CEGUI_THROW(RendererException(
                        "OpenGLApplePBTextureTarget::declareRenderSize "
                        "- CGLSetPBuffer failed: " + String(CGLErrorString(err))));

    clear();

    // make d_texture use the pbuffer as it's data source
    // save old texture binding
    GLuint old_tex;
    glGetIntegerv(GL_TEXTURE_BINDING_2D, reinterpret_cast<GLint*>(&old_tex));

    glBindTexture(GL_TEXTURE_2D, d_texture);
    err = CGLTexImagePBuffer(CGLGetCurrentContext(), d_pbuffer, GL_FRONT);

    // restore previous texture binding.
    glBindTexture(GL_TEXTURE_2D, old_tex);

    if (err)
        CEGUI_THROW(RendererException(
                        "OpenGLApplePBTextureTarget::declareRenderSize "
                        "- CGLTexImagePBuffer failed: " + String(CGLErrorString(err))));

    // ensure CEGUI::Texture is wrapping real GL texture and has correct size
    d_CEGUITexture->setOpenGLTexture(d_texture, d_area.getSize());
}

Example #5

File: main.c Project: saitoha/libsixel

static int
cleanup(void)
{
#if USE_OSMESA
    OSMesaDestroyContext(context);
    free(pbuffer);
#elif USE_CGL
    (void)CGLDestroyContext(context);
    (void)CGLDestroyPBuffer(pbuffer);
#elif USE_GLX
    display = XOpenDisplay(NULL);
    glXDestroyPbuffer(display, pbuffer);
    XCloseDisplay(display);
#else
    /* TODO: cleanup pbuffer and OpenGL context */
#endif
    return 0;
}