///Создание целей рендеринга
void CreateRenderTargets ()
{
try
{
if (!swap_chain)
throw xtl::format_operation_exception ("", "Null swap chain");
log.Printf ("Initialize render targets for swap chain");
LowLevelTexturePtr color_texture (device_manager->Device ().CreateRenderTargetTexture (swap_chain.get (), swap_chain_desc.buffers_count - 1), false),
depth_stencil_texture (device_manager->Device ().CreateDepthStencilTexture (swap_chain.get ()), false);
if (!color_buffer)
{
RenderTargetPtr new_color_buffer (new RenderTargetImpl (device_manager, color_texture.get ()), false),
new_depth_stencil_buffer (new RenderTargetImpl (device_manager, depth_stencil_texture.get ()), false);
color_buffer = new_color_buffer;
depth_stencil_buffer = new_depth_stencil_buffer;
}
else
{
try
{
color_buffer->SetTarget (color_texture.get ());
depth_stencil_buffer->SetTarget (depth_stencil_texture.get ());
}
catch (...)
{
color_buffer->SetTarget (0);
depth_stencil_buffer->SetTarget (0);
throw;
}
}
color_buffer->Resize (width, height);
depth_stencil_buffer->Resize (width, height);
log.Printf ("...render targets for swap chain created");
}
catch (xtl::exception& e)
{
e.touch ("render::manager::WindowImpl::Impl::CreateRenderTargets");
throw;
}
}
///Обработка события смены оконного дескриптора
void OnHandleChanged (void* handle)
{
try
{
log.Printf ("Swap chain handle changed (handle=%p)", handle);
swap_chain = 0;
if (!handle)
return;
CreateSwapChain (handle);
try
{
CreateRenderTargets ();
}
catch (...)
{
swap_chain = 0;
if (color_buffer) color_buffer->SetTarget (0);
if (depth_stencil_buffer) depth_stencil_buffer->SetTarget (0);
throw;
}
}
catch (std::exception& e)
{
log.Printf ("%s\n at render::manager::WindowImpl::Impl::OnChangeHandle", e.what ());
}
catch (...)
{
log.Printf ("unknown exception\n at render::manager::WindowImpl::Impl::OnChangeHandle");
}
}