Example #1
0
/* Swap the contents of a drawable to the screen */
static WSEGLError wseglSwapDrawable
    (WSEGLDrawableHandle _drawable, unsigned long data)
{
    struct wl_egl_window *drawable = (struct wl_egl_window *) _drawable;
    struct wl_callback *callback;

    if (drawable->numFlipBuffers)
    {
        PVR2DPresentFlip(drawable->display->context, drawable->flipChain, drawable->backBuffers[drawable->currentBackBuffer], 0);
    }
    else if (drawable->display->display)
    { 
        while (drawable->block_swap_buffers == 1)
          wl_display_iterate(drawable->display->display,
          WL_DISPLAY_READABLE);
        drawable->block_swap_buffers = 1;
        callback = wl_display_sync(drawable->display->display);
        wl_callback_add_listener(callback, &sync_listener, drawable);

        wl_buffer_damage(drawable->drmbuffers[drawable->currentBackBuffer], 0, 0,
         drawable->width, drawable->height);
        wl_surface_attach(drawable->surface,
         drawable->drmbuffers[drawable->currentBackBuffer], 0, 0);
        wl_surface_damage(drawable->surface, 0, 0, drawable->width,
         drawable->height);

    }
    else
    {
       PVR2DBLTINFO blit;

       memset(&blit, 0, sizeof(blit));
    
       blit.CopyCode = PVR2DROPcopy;
       blit.BlitFlags = PVR2D_BLIT_DISABLE_ALL;
       blit.pSrcMemInfo = drawable->backBuffers[drawable->currentBackBuffer];
       blit.SrcStride = drawable->strideBytes;
       blit.SrcX = 0;
       blit.SrcY = 0;
       blit.SizeX = drawable->width;
       blit.SizeY = drawable->height;
       blit.SrcFormat = wsegl2pvr2dformat(drawable->format);

       blit.pDstMemInfo = drawable->frontBufferPVRMEM;
       blit.DstStride = drawable->strideBytes; 
       blit.DstX = 0;
       blit.DstY = 0;
       blit.DSizeX = drawable->width;
       blit.DSizeY = drawable->height;
       blit.DstFormat = wsegl2pvr2dformat(drawable->format);
       PVR2DBlt(drawable->display->context, &blit); 
       PVR2DQueryBlitsComplete
          (drawable->display->context, drawable->frontBufferPVRMEM, 1);                      
    }
    
    drawable->currentBackBuffer   
      = (drawable->currentBackBuffer + 1) % WAYLANDWSEGL_MAX_BACK_BUFFERS;

    return WSEGL_SUCCESS;
}
static WSEGLError allocateBackBuffers(struct wl_egl_display *egldisplay, NativeWindowType nativeWindow)
{
    int index;
    
    if (nativeWindow->numFlipBuffers)
    {
        long stride = 0;
        
        unsigned long flipId = 0;
        unsigned long numBuffers;
        PVR2DERROR ret = PVR2DCreateFlipChain(egldisplay->context, 0,
                                 //PVR2D_CREATE_FLIPCHAIN_SHARED |
                                 //PVR2D_CREATE_FLIPCHAIN_QUERY,
                                 nativeWindow->numFlipBuffers,
                                 nativeWindow->width,
                                 nativeWindow->height,
                                 wsegl2pvr2dformat(nativeWindow->format),
                                 &stride, &flipId, &(nativeWindow->flipChain));
        assert(ret == PVR2D_OK); 
        PVR2DGetFlipChainBuffers(egldisplay->context,
                                     nativeWindow->flipChain,
                                     &numBuffers,
                                     nativeWindow->flipBuffers);
        for (index = 0; index < numBuffers; ++index)
        {
             nativeWindow->backBuffers[index] = nativeWindow->flipBuffers[index];
        }
    }
    else {
	    for (index = 0; index < WAYLANDWSEGL_MAX_BACK_BUFFERS; ++index)
	    {
		if (PVR2DMemAlloc(egldisplay->context,
			      nativeWindow->strideBytes * nativeWindow->height,
	 		      128, 0,
			      &(nativeWindow->backBuffers[index])) != PVR2D_OK)
	        {
		       assert(0);
					       
		       while (--index >= 0)
				PVR2DMemFree(egldisplay->context, nativeWindow->backBuffers[index]);
			       
	               memset(nativeWindow->backBuffers, 0, sizeof(nativeWindow->backBuffers));
		       
		       nativeWindow->backBuffersValid = 0;
   		       
			       
		       return WSEGL_OUT_OF_MEMORY;
	        }
	    }
    }
    nativeWindow->backBuffersValid = 1;
    nativeWindow->currentBackBuffer = 0;
    return WSEGL_SUCCESS;
}
/* Swap the contents of a drawable to the screen */
static WSEGLError wseglSwapDrawable
    (WSEGLDrawableHandle _drawable, unsigned long data)
{
    struct wl_egl_window *drawable = (struct wl_egl_window *) _drawable;
    struct wl_callback *callback;

    if (drawable->numFlipBuffers)
    {
//        wsegl_info("PRESENT FLIP");
        PVR2DPresentFlip(drawable->display->context, drawable->flipChain, drawable->backBuffers[drawable->currentBackBuffer], 0);
    }
    else if (drawable->display->display)
    { 
        //wsegl_info("wseglSwapDrawable for wayland, %d %p", drawable->currentBackBuffer, drawable->drmbuffers[drawable->currentBackBuffer]);

        int ret = 0;
        while (drawable->display->frame_callback && ret != -1)
            ret = wl_display_dispatch_queue(drawable->display->display, drawable->display->queue);

        drawable->display->frame_callback = wl_surface_frame(drawable->surface);
        wl_callback_add_listener(drawable->display->frame_callback, &frame_listener, drawable);
        wl_proxy_set_queue((struct wl_proxy *)drawable->display->frame_callback, drawable->display->queue);

        if (!drawable->drmbuffers[drawable->currentBackBuffer])
        {
            int32_t handle;
            struct wl_resource *wlbuf;

            handle = drawable->exporthandles[drawable->currentBackBuffer];
            wlbuf = sgx_wlegl_create_buffer(drawable->display->sgx_wlegl,
                        drawable->width, drawable->height, drawable->strideBytes,
                        drawable->format, handle);
            drawable->drmbuffers[drawable->currentBackBuffer] = wlbuf;
            wsegl_info("sgx_wlegl_create_buffer for %d", drawable->currentBackBuffer);

            wsegl_info("Add listener for %p with %p (buf %d) inside", drawable, wlbuf, drawable->currentBackBuffer);

            // TODO: listen for release

            wl_proxy_set_queue((struct wl_proxy *)wlbuf, drawable->display->queue);
        }

        struct wl_resource *wlbuf = drawable->drmbuffers[drawable->currentBackBuffer];
        wl_surface_attach(drawable->surface, wlbuf, 0, 0); 
        wl_surface_damage(drawable->surface, 0, 0, drawable->width, drawable->height);
        wl_surface_commit(drawable->surface);
    }
    else
    {
       PVR2DBLTINFO blit;

       memset(&blit, 0, sizeof(blit));
    
       blit.CopyCode = PVR2DROPcopy;
       blit.BlitFlags = PVR2D_BLIT_DISABLE_ALL;
       blit.pSrcMemInfo = drawable->backBuffers[drawable->currentBackBuffer];
       blit.SrcStride = drawable->strideBytes;
       blit.SrcX = 0;
       blit.SrcY = 0;
       blit.SizeX = drawable->width;
       blit.SizeY = drawable->height;
       blit.SrcFormat = wsegl2pvr2dformat(drawable->format);

       blit.pDstMemInfo = drawable->frontBufferPVRMEM;
       blit.DstStride = drawable->strideBytes; 
       blit.DstX = 0;
       blit.DstY = 0;
       blit.DSizeX = drawable->width;
       blit.DSizeY = drawable->height;
       blit.DstFormat = wsegl2pvr2dformat(drawable->format);
       PVR2DBlt(drawable->display->context, &blit); 
       PVR2DQueryBlitsComplete
          (drawable->display->context, drawable->frontBufferPVRMEM, 1);                      
       assert (drawable->display->fd >= 0);


       struct omapfb_update_window update_window;
         
       update_window.x = update_window.out_x = 0;
       update_window.y = update_window.out_y = 0;
       update_window.width = update_window.out_width = drawable->width;
       update_window.height = update_window.out_height = drawable->height;
       update_window.format = 0;

       assert(ioctl(drawable->display->fd, OMAPFB_UPDATE_WINDOW, &update_window) == 0);
    }
    
    drawable->currentBackBuffer   
      = (drawable->currentBackBuffer + 1) % WAYLANDWSEGL_MAX_BACK_BUFFERS;

    return WSEGL_SUCCESS;
}