Wine Cross Reference
wine/dlls/d3d8/swapchain.c

   /*
    * IDirect3DSwapChain8 implementation
    *
    * Copyright 2005 Oliver Stieber
    *
    * This library is free software; you can redistribute it and/or
    * modify it under the terms of the GNU Lesser General Public
    * License as published by the Free Software Foundation; either
    * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
   */
  
  #include "config.h"
  #include "d3d8_private.h"
  
  WINE_DEFAULT_DEBUG_CHANNEL(d3d8);
  
  static inline struct d3d8_swapchain *impl_from_IDirect3DSwapChain8(IDirect3DSwapChain8 *iface)
  {
      return CONTAINING_RECORD(iface, struct d3d8_swapchain, IDirect3DSwapChain8_iface);
  }
  
  static HRESULT WINAPI d3d8_swapchain_QueryInterface(IDirect3DSwapChain8 *iface, REFIID riid, void **out)
  {
      TRACE("iface %p, riid %s, out %p.\n", iface, debugstr_guid(riid), out);
  
      if (IsEqualGUID(riid, &IID_IDirect3DSwapChain8)
              || IsEqualGUID(riid, &IID_IUnknown))
      {
          IUnknown_AddRef(iface);
          *out = iface;
          return S_OK;
      }
  
      WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid));
  
      *out = NULL;
      return E_NOINTERFACE;
  }
  
  static ULONG WINAPI d3d8_swapchain_AddRef(IDirect3DSwapChain8 *iface)
  {
      struct d3d8_swapchain *swapchain = impl_from_IDirect3DSwapChain8(iface);
      ULONG ref = InterlockedIncrement(&swapchain->refcount);
  
      TRACE("%p increasing refcount to %u.\n", iface, ref);
  
      if (ref == 1)
      {
          if (swapchain->parent_device)
              IDirect3DDevice8_AddRef(swapchain->parent_device);
          wined3d_mutex_lock();
          wined3d_swapchain_incref(swapchain->wined3d_swapchain);
          wined3d_mutex_unlock();
      }
  
      return ref;
  }
  
  static ULONG WINAPI d3d8_swapchain_Release(IDirect3DSwapChain8 *iface)
  {
      struct d3d8_swapchain *swapchain = impl_from_IDirect3DSwapChain8(iface);
      ULONG ref = InterlockedDecrement(&swapchain->refcount);
  
      TRACE("%p decreasing refcount to %u.\n", iface, ref);
  
      if (!ref)
      {
          IDirect3DDevice8 *parent_device = swapchain->parent_device;
  
          wined3d_mutex_lock();
          wined3d_swapchain_decref(swapchain->wined3d_swapchain);
          wined3d_mutex_unlock();
  
          if (parent_device)
              IDirect3DDevice8_Release(parent_device);
      }
      return ref;
  }
  
  static HRESULT WINAPI d3d8_swapchain_Present(IDirect3DSwapChain8 *iface,
          const RECT *src_rect, const RECT *dst_rect, HWND dst_window_override,
          const RGNDATA *dirty_region)
  {
      struct d3d8_swapchain *swapchain = impl_from_IDirect3DSwapChain8(iface);
      HRESULT hr;
  
      TRACE("iface %p, src_rect %s, dst_rect %s, dst_window_override %p, dirty_region %p.\n",
              iface, wine_dbgstr_rect(src_rect), wine_dbgstr_rect(dst_rect), dst_window_override, dirty_region);
  
      wined3d_mutex_lock();
     hr = wined3d_swapchain_present(swapchain->wined3d_swapchain, src_rect,
             dst_rect, dst_window_override, dirty_region, 0);
     wined3d_mutex_unlock();
 
     return hr;
 }
 
 static HRESULT WINAPI d3d8_swapchain_GetBackBuffer(IDirect3DSwapChain8 *iface,
         UINT backbuffer_idx, D3DBACKBUFFER_TYPE backbuffer_type, IDirect3DSurface8 **backbuffer)
 {
     struct d3d8_swapchain *swapchain = impl_from_IDirect3DSwapChain8(iface);
     struct wined3d_surface *wined3d_surface = NULL;
     struct d3d8_surface *surface_impl;
     HRESULT hr;
 
     TRACE("iface %p, backbuffer_idx %u, backbuffer_type %#x, backbuffer %p.\n",
             iface, backbuffer_idx, backbuffer_type, backbuffer);
 
     wined3d_mutex_lock();
     hr = wined3d_swapchain_get_back_buffer(swapchain->wined3d_swapchain,
             backbuffer_idx, (enum wined3d_backbuffer_type)backbuffer_type, &wined3d_surface);
     if (SUCCEEDED(hr) && wined3d_surface)
     {
         surface_impl = wined3d_surface_get_parent(wined3d_surface);
         *backbuffer = &surface_impl->IDirect3DSurface8_iface;
         IDirect3DSurface8_AddRef(*backbuffer);
         wined3d_surface_decref(wined3d_surface);
     }
     wined3d_mutex_unlock();
 
     return hr;
 }
 
 static const IDirect3DSwapChain8Vtbl d3d8_swapchain_vtbl =
 {
     d3d8_swapchain_QueryInterface,
     d3d8_swapchain_AddRef,
     d3d8_swapchain_Release,
     d3d8_swapchain_Present,
     d3d8_swapchain_GetBackBuffer
 };
 
 static void STDMETHODCALLTYPE d3d8_swapchain_wined3d_object_released(void *parent)
 {
     HeapFree(GetProcessHeap(), 0, parent);
 }
 
 static const struct wined3d_parent_ops d3d8_swapchain_wined3d_parent_ops =
 {
     d3d8_swapchain_wined3d_object_released,
 };
 
 static HRESULT swapchain_init(struct d3d8_swapchain *swapchain, struct d3d8_device *device,
         struct wined3d_swapchain_desc *desc)
 {
     HRESULT hr;
 
     swapchain->refcount = 1;
     swapchain->IDirect3DSwapChain8_iface.lpVtbl = &d3d8_swapchain_vtbl;
 
     wined3d_mutex_lock();
     hr = wined3d_swapchain_create(device->wined3d_device, desc,
             WINED3D_SURFACE_TYPE_OPENGL, swapchain, &d3d8_swapchain_wined3d_parent_ops,
             &swapchain->wined3d_swapchain);
     wined3d_mutex_unlock();
 
     if (FAILED(hr))
     {
         WARN("Failed to create wined3d swapchain, hr %#x.\n", hr);
         return hr;
     }
 
     swapchain->parent_device = &device->IDirect3DDevice8_iface;
     IDirect3DDevice8_AddRef(swapchain->parent_device);
 
     return D3D_OK;
 }
 
 HRESULT d3d8_swapchain_create(struct d3d8_device *device, struct wined3d_swapchain_desc *desc,
         struct d3d8_swapchain **swapchain)
 {
     struct d3d8_swapchain *object;
     HRESULT hr;
 
     if (!(object = HeapAlloc(GetProcessHeap(),  HEAP_ZERO_MEMORY, sizeof(*object))))
     {
         ERR("Failed to allocate swapchain memory.\n");
         return E_OUTOFMEMORY;
     }
 
     if (FAILED(hr = swapchain_init(object, device, desc)))
     {
         WARN("Failed to initialize swapchain, hr %#x.\n", hr);
         HeapFree(GetProcessHeap(), 0, object);
         return hr;
     }
 
     TRACE("Created swapchain %p.\n", object);
     *swapchain = object;
 
     return D3D_OK;
 }