NPAPI:AsyncDrawing: Difference between revisions

Plugins should finalize surfaces by calling <code>NPN_FinalizeAsyncSurface</code>.

  IDirect3DDevice9Ex *pDevice9;

  size.width = pluginwidth;

  size.height = pluginheight;

  HANDLE frontBufferHandle = NULL;

  HANDLE backBufferHandle = NULL;

  pDevice9->CreateTexture(pluginWidth, pluginHeight, 0,

                         D3DUSAGE_RENDERTARGET,

                         D3DFMT_X8R8G8B8, D3DPOOL_DEFAULT,

                         &backBuffer, &backBufferHandle);

  NPN_InitAsyncSurface(instance, size, NPImageFormatBGRX32, frontBufferHandle, npFrontBuffer);

  NPN_InitAsyncSurface(instance, size, NPImageFormatBGRX32, backBufferHandle, npBackBuffer);

  while (painting) {

   // Draw to backBuffer texture

   // Synchronize by one of the methods described above

   NPN_SetCurrentAsyncSurface(instance, npBackBuffer);