text: /*
   * Copyright 2009 Henri Verbeet for CodeWeavers
   *
   * 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 "d3d11_private.h"
  
  WINE_DEFAULT_DEBUG_CHANNEL(d3d11);
  
  /* ID3D11Buffer methods */
  
  static inline struct d3d_buffer *impl_from_ID3D11Buffer(ID3D11Buffer *iface)
  {
      return CONTAINING_RECORD(iface, struct d3d_buffer, ID3D11Buffer_iface);
  }
  
  static HRESULT STDMETHODCALLTYPE d3d11_buffer_QueryInterface(ID3D11Buffer *iface, REFIID riid, void **out)
  {
      struct d3d_buffer *buffer = impl_from_ID3D11Buffer(iface);
  
      TRACE("iface %p, riid %s, out %p.\n", iface, debugstr_guid(riid), out);
  
      if (IsEqualGUID(riid, &IID_ID3D11Buffer)
              || IsEqualGUID(riid, &IID_ID3D11Resource)
              || IsEqualGUID(riid, &IID_ID3D11DeviceChild)
              || IsEqualGUID(riid, &IID_IUnknown))
      {
          ID3D11Buffer_AddRef(iface);
          *out = iface;
          return S_OK;
      }
  
      if (IsEqualGUID(riid, &IID_ID3D10Buffer)
              || IsEqualGUID(riid, &IID_ID3D10Resource)
              || IsEqualGUID(riid, &IID_ID3D10DeviceChild))
      {
          ID3D10Buffer_AddRef(&buffer->ID3D10Buffer_iface);
          *out = &buffer->ID3D10Buffer_iface;
          return S_OK;
      }
  
      WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid));
  
      *out = NULL;
      return E_NOINTERFACE;
  }
  
  static ULONG STDMETHODCALLTYPE d3d11_buffer_AddRef(ID3D11Buffer *iface)
  {
      struct d3d_buffer *buffer = impl_from_ID3D11Buffer(iface);
      ULONG refcount = InterlockedIncrement(&buffer->refcount);
  
      TRACE("%p increasing refcount to %lu.\n", buffer, refcount);
  
      if (refcount == 1)
      {
          ID3D11Device2_AddRef(buffer->device);
          wined3d_buffer_incref(buffer->wined3d_buffer);
      }
  
      return refcount;
  }
  
  static ULONG STDMETHODCALLTYPE d3d11_buffer_Release(ID3D11Buffer *iface)
  {
      struct d3d_buffer *buffer = impl_from_ID3D11Buffer(iface);
      ULONG refcount = InterlockedDecrement(&buffer->refcount);
  
      TRACE("%p decreasing refcount to %lu.\n", buffer, refcount);
  
      if (!refcount)
      {
          ID3D11Device2 *device = buffer->device;
  
          wined3d_buffer_decref(buffer->wined3d_buffer);
          /* Release the device last, it may cause the wined3d device to be
           * destroyed. */
          ID3D11Device2_Release(device);
      }
  
      return refcount;
  }
  
  static void STDMETHODCALLTYPE d3d11_buffer_GetDevice(ID3D11Buffer *iface, ID3D11Device **device)
  {
      struct d3d_buffer *buffer = impl_from_ID3D11Buffer(iface);
  
      TRACE("iface %p, device %p.\n", iface, device);
  
      *device = (ID3D11Device *)buffer->device;
      ID3D11Device_AddRef(*device);
  }
  
  static HRESULT STDMETHODCALLTYPE d3d11_buffer_GetPrivateData(ID3D11Buffer *iface,
          REFGUID guid, UINT *data_size, void *data)
  {
      struct d3d_buffer *buffer = impl_from_ID3D11Buffer(iface);
  
      TRACE("iface %p, guid %s, data_size %p, data %p.\n", iface, debugstr_guid(guid), data_size, data);
  
      return d3d_get_private_data(&buffer->private_store, guid, data_size, data);
  }
  
  static HRESULT STDMETHODCALLTYPE d3d11_buffer_SetPrivateData(ID3D11Buffer *iface,
          REFGUID guid, UINT data_size, const void *data)
  {
      struct d3d_buffer *buffer = impl_from_ID3D11Buffer(iface);
  
      TRACE("iface %p, guid %s, data_size %u, data %p.\n", iface, debugstr_guid(guid), data_size, data);
  
      return d3d_set_private_data(&buffer->private_store, guid, data_size, data);
  }
  
  static HRESULT STDMETHODCALLTYPE d3d11_buffer_SetPrivateDataInterface(ID3D11Buffer *iface,
          REFGUID guid, const IUnknown *data)
  {
      struct d3d_buffer *buffer = impl_from_ID3D11Buffer(iface);
  
      TRACE("iface %p, guid %s, data %p.\n", iface, debugstr_guid(guid), data);
  
      return d3d_set_private_data_interface(&buffer->private_store, guid, data);
  }
  
  static void STDMETHODCALLTYPE d3d11_buffer_GetType(ID3D11Buffer *iface,
          D3D11_RESOURCE_DIMENSION *resource_dimension)
  {
      TRACE("iface %p, resource_dimension %p.\n", iface, resource_dimension);
  
      *resource_dimension = D3D11_RESOURCE_DIMENSION_BUFFER;
  }
  
  static void STDMETHODCALLTYPE d3d11_buffer_SetEvictionPriority(ID3D11Buffer *iface, UINT eviction_priority)
  {
      FIXME("iface %p, eviction_priority %#x stub!\n", iface, eviction_priority);
  }
  
  static UINT STDMETHODCALLTYPE d3d11_buffer_GetEvictionPriority(ID3D11Buffer *iface)
  {
      FIXME("iface %p stub!\n", iface);
  
      return 0;
  }
  
  static void STDMETHODCALLTYPE d3d11_buffer_GetDesc(ID3D11Buffer *iface, D3D11_BUFFER_DESC *desc)
  {
      struct d3d_buffer *buffer = impl_from_ID3D11Buffer(iface);
  
      TRACE("iface %p, desc %p.\n", iface, desc);
  
      *desc = buffer->desc;
  }
  
  static const struct ID3D11BufferVtbl d3d11_buffer_vtbl =
  {
      /* IUnknown methods */
      d3d11_buffer_QueryInterface,
      d3d11_buffer_AddRef,
      d3d11_buffer_Release,
      /* ID3D11DeviceChild methods */
      d3d11_buffer_GetDevice,
      d3d11_buffer_GetPrivateData,
      d3d11_buffer_SetPrivateData,
      d3d11_buffer_SetPrivateDataInterface,
      /* ID3D11Resource methods */
      d3d11_buffer_GetType,
      d3d11_buffer_SetEvictionPriority,
      d3d11_buffer_GetEvictionPriority,
      /* ID3D11Buffer methods */
      d3d11_buffer_GetDesc,
  };
  
  struct d3d_buffer *unsafe_impl_from_ID3D11Buffer(ID3D11Buffer *iface)
  {
      if (!iface)
          return NULL;
      assert(iface->lpVtbl == &d3d11_buffer_vtbl);
      return CONTAINING_RECORD(iface, struct d3d_buffer, ID3D11Buffer_iface);
  }
  
  /* ID3D10Buffer methods */
  
  static inline struct d3d_buffer *impl_from_ID3D10Buffer(ID3D10Buffer *iface)
  {
      return CONTAINING_RECORD(iface, struct d3d_buffer, ID3D10Buffer_iface);
  }
  
  /* IUnknown methods */
  
  static HRESULT STDMETHODCALLTYPE d3d10_buffer_QueryInterface(ID3D10Buffer *iface, REFIID riid, void **out)
  {
      struct d3d_buffer *buffer = impl_from_ID3D10Buffer(iface);
  
      TRACE("iface %p, riid %s, out %p.\n", iface, debugstr_guid(riid), out);
  
      return d3d11_buffer_QueryInterface(&buffer->ID3D11Buffer_iface, riid, out);
  }
  
  static ULONG STDMETHODCALLTYPE d3d10_buffer_AddRef(ID3D10Buffer *iface)
  {
      struct d3d_buffer *buffer = impl_from_ID3D10Buffer(iface);
  
      TRACE("iface %p.\n", iface);
  
      return d3d11_buffer_AddRef(&buffer->ID3D11Buffer_iface);
  }
  
  static ULONG STDMETHODCALLTYPE d3d10_buffer_Release(ID3D10Buffer *iface)
  {
      struct d3d_buffer *buffer = impl_from_ID3D10Buffer(iface);
  
      TRACE("iface %p.\n", iface);
  
      return d3d11_buffer_Release(&buffer->ID3D11Buffer_iface);
  }
  
  /* ID3D10DeviceChild methods */
  
  static void STDMETHODCALLTYPE d3d10_buffer_GetDevice(ID3D10Buffer *iface, ID3D10Device **device)
  {
      struct d3d_buffer *buffer = impl_from_ID3D10Buffer(iface);
  
      TRACE("iface %p, device %p.\n", iface, device);
  
      ID3D11Device2_QueryInterface(buffer->device, &IID_ID3D10Device, (void **)device);
  }
  
  static HRESULT STDMETHODCALLTYPE d3d10_buffer_GetPrivateData(ID3D10Buffer *iface,
          REFGUID guid, UINT *data_size, void *data)
  {
      struct d3d_buffer *buffer = impl_from_ID3D10Buffer(iface);
  
      TRACE("iface %p, guid %s, data_size %p, data %p.\n",
              iface, debugstr_guid(guid), data_size, data);
  
      return d3d_get_private_data(&buffer->private_store, guid, data_size, data);
  }
  
  static HRESULT STDMETHODCALLTYPE d3d10_buffer_SetPrivateData(ID3D10Buffer *iface,
          REFGUID guid, UINT data_size, const void *data)
  {
      struct d3d_buffer *buffer = impl_from_ID3D10Buffer(iface);
  
      TRACE("iface %p, guid %s, data_size %u, data %p.\n",
              iface, debugstr_guid(guid), data_size, data);
  
      return d3d_set_private_data(&buffer->private_store, guid, data_size, data);
  }
  
  static HRESULT STDMETHODCALLTYPE d3d10_buffer_SetPrivateDataInterface(ID3D10Buffer *iface,
          REFGUID guid, const IUnknown *data)
  {
      struct d3d_buffer *buffer = impl_from_ID3D10Buffer(iface);
  
      TRACE("iface %p, guid %s, data %p.\n", iface, debugstr_guid(guid), data);
  
      return d3d_set_private_data_interface(&buffer->private_store, guid, data);
  }
  
  /* ID3D10Resource methods */
  
  static void STDMETHODCALLTYPE d3d10_buffer_GetType(ID3D10Buffer *iface, D3D10_RESOURCE_DIMENSION *resource_dimension)
  {
      TRACE("iface %p, resource_dimension %p\n", iface, resource_dimension);
  
      *resource_dimension = D3D10_RESOURCE_DIMENSION_BUFFER;
  }
  
  static void STDMETHODCALLTYPE d3d10_buffer_SetEvictionPriority(ID3D10Buffer *iface, UINT eviction_priority)
  {
      FIXME("iface %p, eviction_priority %u stub!\n", iface, eviction_priority);
  }
  
  static UINT STDMETHODCALLTYPE d3d10_buffer_GetEvictionPriority(ID3D10Buffer *iface)
  {
      FIXME("iface %p stub!\n", iface);
  
      return 0;
  }
  
  /* ID3D10Buffer methods */
  
  static HRESULT STDMETHODCALLTYPE d3d10_buffer_Map(ID3D10Buffer *iface, D3D10_MAP map_type, UINT map_flags, void **data)
  {
      struct d3d_buffer *buffer = impl_from_ID3D10Buffer(iface);
      struct wined3d_map_desc wined3d_map_desc;
      HRESULT hr;
  
      TRACE("iface %p, map_type %u, map_flags %#x, data %p.\n", iface, map_type, map_flags, data);
  
      if (map_flags)
          FIXME("Ignoring map_flags %#x.\n", map_flags);
  
      hr = wined3d_resource_map(wined3d_buffer_get_resource(buffer->wined3d_buffer), 0,
              &wined3d_map_desc, NULL, wined3d_map_flags_from_d3d10_map_type(map_type));
      *data = wined3d_map_desc.data;
  
      return hr;
  }
  
  static void STDMETHODCALLTYPE d3d10_buffer_Unmap(ID3D10Buffer *iface)
  {
      struct d3d_buffer *buffer = impl_from_ID3D10Buffer(iface);
  
      TRACE("iface %p.\n", iface);
  
      wined3d_resource_unmap(wined3d_buffer_get_resource(buffer->wined3d_buffer), 0);
  }
  
  static void STDMETHODCALLTYPE d3d10_buffer_GetDesc(ID3D10Buffer *iface, D3D10_BUFFER_DESC *desc)
  {
      struct d3d_buffer *buffer = impl_from_ID3D10Buffer(iface);
      const D3D11_BUFFER_DESC *d3d11_desc = &buffer->desc;
  
      TRACE("iface %p, desc %p.\n", iface, desc);
  
      desc->ByteWidth = d3d11_desc->ByteWidth;
      desc->Usage = d3d10_usage_from_d3d11_usage(d3d11_desc->Usage);
      desc->BindFlags = d3d10_bind_flags_from_d3d11_bind_flags(d3d11_desc->BindFlags);
      desc->CPUAccessFlags = d3d10_cpu_access_flags_from_d3d11_cpu_access_flags(d3d11_desc->CPUAccessFlags);
      desc->MiscFlags = d3d10_resource_misc_flags_from_d3d11_resource_misc_flags(d3d11_desc->MiscFlags);
  }
  
  static const struct ID3D10BufferVtbl d3d10_buffer_vtbl =
  {
      /* IUnknown methods */
      d3d10_buffer_QueryInterface,
      d3d10_buffer_AddRef,
      d3d10_buffer_Release,
      /* ID3D10DeviceChild methods */
      d3d10_buffer_GetDevice,
      d3d10_buffer_GetPrivateData,
      d3d10_buffer_SetPrivateData,
      d3d10_buffer_SetPrivateDataInterface,
      /* ID3D10Resource methods */
      d3d10_buffer_GetType,
      d3d10_buffer_SetEvictionPriority,
      d3d10_buffer_GetEvictionPriority,
      /* ID3D10Buffer methods */
      d3d10_buffer_Map,
      d3d10_buffer_Unmap,
      d3d10_buffer_GetDesc,
  };
  
  struct d3d_buffer *unsafe_impl_from_ID3D10Buffer(ID3D10Buffer *iface)
  {
      if (!iface)
          return NULL;
      assert(iface->lpVtbl == &d3d10_buffer_vtbl);
      return CONTAINING_RECORD(iface, struct d3d_buffer, ID3D10Buffer_iface);
  }
  
  static void STDMETHODCALLTYPE d3d_buffer_wined3d_object_released(void *parent)
  {
      struct d3d_buffer *buffer = parent;
  
      wined3d_private_store_cleanup(&buffer->private_store);
      heap_free(parent);
  }
  
  static const struct wined3d_parent_ops d3d_buffer_wined3d_parent_ops =
  {
      d3d_buffer_wined3d_object_released,
  };
  
  static BOOL validate_buffer_desc(D3D11_BUFFER_DESC *desc, D3D_FEATURE_LEVEL feature_level)
  {
      if (!validate_d3d11_resource_access_flags(D3D11_RESOURCE_DIMENSION_BUFFER,
              desc->Usage, desc->BindFlags, desc->CPUAccessFlags, feature_level))
          return FALSE;
  
      if (desc->MiscFlags & D3D11_RESOURCE_MISC_BUFFER_ALLOW_RAW_VIEWS)
      {
          if (desc->MiscFlags & D3D11_RESOURCE_MISC_BUFFER_STRUCTURED)
          {
              WARN("Raw and structure buffers are mutually exclusive.\n");
              return FALSE;
          }
          if (!(desc->BindFlags & (D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_UNORDERED_ACCESS)))
          {
              WARN("Invalid bind flags %#x for raw buffer.\n", desc->BindFlags);
              return FALSE;
          }
      }
  
      if (desc->MiscFlags & D3D11_RESOURCE_MISC_BUFFER_STRUCTURED)
      {
          if (!desc->StructureByteStride || desc->StructureByteStride % 4)
          {
              WARN("Invalid structure byte stride %u.\n", desc->StructureByteStride);
              return FALSE;
          }
          if (desc->ByteWidth % desc->StructureByteStride)
          {
              WARN("Byte width %u is not divisible by structure byte stride %u.\n",
                      desc->ByteWidth, desc->StructureByteStride);
              return FALSE;
          }
      }
      else
      {
          desc->StructureByteStride = 0;
      }
  
      if (desc->MiscFlags & D3D11_RESOURCE_MISC_GENERATE_MIPS)
      {
          WARN("Buffer with the D3D11_RESOURCE_MISC_GENERATE_MIPS flag.\n");
          return FALSE;
      }
  
      return TRUE;
  }
  
  static HRESULT d3d_buffer_init(struct d3d_buffer *buffer, struct d3d_device *device,
          const D3D11_BUFFER_DESC *desc, const D3D11_SUBRESOURCE_DATA *data)
  {
      struct wined3d_buffer_desc wined3d_desc;
      HRESULT hr;
  
      buffer->ID3D11Buffer_iface.lpVtbl = &d3d11_buffer_vtbl;
      buffer->ID3D10Buffer_iface.lpVtbl = &d3d10_buffer_vtbl;
      buffer->refcount = 1;
      buffer->desc = *desc;
  
      if (!validate_buffer_desc(&buffer->desc, device->state->feature_level))
          return E_INVALIDARG;
  
      wined3d_desc.byte_width = buffer->desc.ByteWidth;
      wined3d_desc.usage = wined3d_usage_from_d3d11(buffer->desc.Usage);
      wined3d_desc.bind_flags = wined3d_bind_flags_from_d3d11(buffer->desc.BindFlags, buffer->desc.MiscFlags);
      wined3d_desc.access = wined3d_access_from_d3d11(buffer->desc.Usage, buffer->desc.CPUAccessFlags);
      wined3d_desc.misc_flags = buffer->desc.MiscFlags;
      wined3d_desc.structure_byte_stride = buffer->desc.StructureByteStride;
  
      wined3d_mutex_lock();
      wined3d_private_store_init(&buffer->private_store);
  
      if (FAILED(hr = wined3d_buffer_create(device->wined3d_device, &wined3d_desc,
              (const struct wined3d_sub_resource_data *)data, buffer,
              &d3d_buffer_wined3d_parent_ops, &buffer->wined3d_buffer)))
      {
          WARN("Failed to create wined3d buffer, hr %#lx.\n", hr);
          wined3d_private_store_cleanup(&buffer->private_store);
          wined3d_mutex_unlock();
          return hr;
      }
      wined3d_mutex_unlock();
  
      ID3D11Device2_AddRef(buffer->device = &device->ID3D11Device2_iface);
  
      return S_OK;
  }
  
  HRESULT d3d_buffer_create(struct d3d_device *device, const D3D11_BUFFER_DESC *desc,
          const D3D11_SUBRESOURCE_DATA *data, struct d3d_buffer **buffer)
  {
      struct d3d_buffer *object;
      HRESULT hr;
  
      if (!(object = heap_alloc_zero(sizeof(*object))))
          return E_OUTOFMEMORY;
  
      if (FAILED(hr = d3d_buffer_init(object, device, desc, data)))
      {
          WARN("Failed to initialise buffer, hr %#lx.\n", hr);
          heap_free(object);
          return hr;
      }
  
      TRACE("Created buffer %p.\n", object);
      *buffer = object;
  
      return S_OK;
  }
  