setpixelformat159

/***********************************************************************
 *		glxdrv_SetPixelFormat
 */
static BOOL glxdrv_SetPixelFormat(PHYSDEV dev, int iPixelFormat, const PIXELFORMATDESCRIPTOR *ppfd)
{
    struct glx_physdev *physdev = get_glxdrv_dev( dev );
    WineGLPixelFormat *fmt;
    int value;
    HWND hwnd;

    TRACE("(%p,%d,%p)\n", dev->hdc, iPixelFormat, ppfd);

    if (!has_opengl()) return FALSE;

    if(physdev->pixel_format)  /* cannot change it if already set */
        return (physdev->pixel_format == iPixelFormat);

    /* SetPixelFormat is not allowed on the X root_window e.g. GetDC(0) */
    if(physdev->x11dev->drawable == root_window)
    {
        ERR("Invalid operation on root_window\n");
        return FALSE;
    }

    /* Check if iPixelFormat is in our list of supported formats to see if it is supported. */
    fmt = ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, FALSE /* Offscreen */, &value);
    if(!fmt) {
        ERR("Invalid iPixelFormat: %d\n", iPixelFormat);
        return FALSE;
    }

    wine_tsx11_lock();
    pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DRAWABLE_TYPE, &value);
    wine_tsx11_unlock();

    hwnd = WindowFromDC(physdev->dev.hdc);
    if(hwnd) {
        if(!(value&GLX_WINDOW_BIT)) {
            WARN("Pixel format %d is not compatible for window rendering\n", iPixelFormat);
            return FALSE;
        }

        if(!SendMessageW(hwnd, WM_X11DRV_SET_WIN_FORMAT, fmt->fmt_id, 0)) {
            ERR("Couldn't set format of the window, returning failure\n");
            return FALSE;
        }
        /* physDev->current_pf will be set by the DCE update */
    }
    else if (GetObjectType( physdev->dev.hdc ) == OBJ_MEMDC) {
        if(!(value&GLX_PIXMAP_BIT)) {
            WARN("Pixel format %d is not compatible for bitmap rendering\n", iPixelFormat);
            return FALSE;
        }

        physdev->pixel_format = iPixelFormat;
        physdev->type = DC_GL_BITMAP;
    }
    else {
        FIXME("called on a non-window, non-bitmap object?\n");
    }

    if (TRACE_ON(wgl)) {
        int gl_test = 0;

        wine_tsx11_lock();
        gl_test = pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_FBCONFIG_ID, &value);
        if (gl_test) {
           ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
        } else {
            TRACE(" FBConfig have :\n");
            TRACE(" - FBCONFIG_ID   0x%x\n", value);
            pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_VISUAL_ID, &value);
            TRACE(" - VISUAL_ID     0x%x\n", value);
            pglXGetFBConfigAttrib(gdi_display, fmt->fbconfig, GLX_DRAWABLE_TYPE, &value);
            TRACE(" - DRAWABLE_TYPE 0x%x\n", value);
        }
        wine_tsx11_unlock();
    }
    return TRUE;
}