text: /*
   * Copyright 2010 Christian Costa
   *
   * 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 "wine/port.h"
  
  #include "d3dx9_private.h"
  
  WINE_DEFAULT_DEBUG_CHANNEL(d3dx);
  
  struct d3dx9_line
  {
      ID3DXLine ID3DXLine_iface;
      LONG ref;
  
      IDirect3DDevice9 *device;
      IDirect3DStateBlock9 *state;
  };
  
  static inline struct d3dx9_line *impl_from_ID3DXLine(ID3DXLine *iface)
  {
      return CONTAINING_RECORD(iface, struct d3dx9_line, ID3DXLine_iface);
  }
  
  static HRESULT WINAPI d3dx9_line_QueryInterface(ID3DXLine *iface, REFIID riid, void **out)
  {
      TRACE("iface %p, riid %s, out %p.\n", iface, debugstr_guid(riid), out);
  
      if (IsEqualGUID(riid, &IID_ID3DXLine)
              || IsEqualGUID(riid, &IID_IUnknown))
      {
          ID3DXLine_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 d3dx9_line_AddRef(ID3DXLine *iface)
  {
      struct d3dx9_line *line = impl_from_ID3DXLine(iface);
      ULONG refcount = InterlockedIncrement(&line->ref);
  
      TRACE("%p increasing refcount to %u.\n", line, refcount);
  
      return refcount;
  }
  
  static ULONG WINAPI d3dx9_line_Release(ID3DXLine *iface)
  {
      struct d3dx9_line *line = impl_from_ID3DXLine(iface);
      ULONG refcount = InterlockedDecrement(&line->ref);
  
      TRACE("%p decreasing refcount to %u.\n", line, refcount);
  
      if (!refcount)
      {
          IDirect3DDevice9_Release(line->device);
          HeapFree(GetProcessHeap(), 0, line);
      }
  
      return refcount;
  }
  
  static HRESULT WINAPI d3dx9_line_GetDevice(struct ID3DXLine *iface, struct IDirect3DDevice9 **device)
  {
      struct d3dx9_line *line = impl_from_ID3DXLine(iface);
  
      TRACE("iface %p, device %p.\n", iface, line);
  
      if (!device)
          return D3DERR_INVALIDCALL;
  
      *device = line->device;
      IDirect3DDevice9_AddRef(line->device);
  
      return D3D_OK;
  }
  
  static HRESULT WINAPI d3dx9_line_Begin(ID3DXLine *iface)
  {
      struct d3dx9_line *line = impl_from_ID3DXLine(iface);
      D3DXMATRIX identity, projection;
      D3DVIEWPORT9 vp;
  
      TRACE("iface %p.\n", iface);
  
      if (line->state)
          return D3DERR_INVALIDCALL;
  
      if (FAILED(IDirect3DDevice9_CreateStateBlock(line->device, D3DSBT_ALL, &line->state)))
          return D3DXERR_INVALIDDATA;
  
      if (FAILED(IDirect3DDevice9_GetViewport(line->device, &vp)))
          goto failed;
  
      D3DXMatrixIdentity(&identity);
      D3DXMatrixOrthoOffCenterLH(&projection, 0.0, (FLOAT)vp.Width, (FLOAT)vp.Height, 0.0, 0.0, 1.0);
  
      if (FAILED(IDirect3DDevice9_SetTransform(line->device, D3DTS_WORLD, &identity)))
          goto failed;
      if (FAILED(IDirect3DDevice9_SetTransform(line->device, D3DTS_VIEW, &identity)))
          goto failed;
      if (FAILED(IDirect3DDevice9_SetTransform(line->device, D3DTS_PROJECTION, &projection)))
          goto failed;
  
      if (FAILED(IDirect3DDevice9_SetRenderState(line->device, D3DRS_LIGHTING, FALSE)))
          goto failed;
      if (FAILED(IDirect3DDevice9_SetRenderState(line->device, D3DRS_FOGENABLE, FALSE)))
          goto failed;
      if (FAILED(IDirect3DDevice9_SetRenderState(line->device, D3DRS_SHADEMODE, D3DSHADE_FLAT)))
          goto failed;
      if (FAILED(IDirect3DDevice9_SetRenderState(line->device, D3DRS_ALPHABLENDENABLE, TRUE)))
          goto failed;
      if (FAILED(IDirect3DDevice9_SetRenderState(line->device, D3DRS_SRCBLEND, D3DBLEND_SRCALPHA)))
          goto failed;
      if (FAILED(IDirect3DDevice9_SetRenderState(line->device, D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA)))
          goto failed;
  
      return D3D_OK;
  
  failed:
      IDirect3DStateBlock9_Apply(line->state);
      IDirect3DStateBlock9_Release(line->state);
      line->state = NULL;
      return D3DXERR_INVALIDDATA;
  }
  
  static HRESULT WINAPI d3dx9_line_Draw(ID3DXLine *iface, const D3DXVECTOR2 *vertex_list,
          DWORD vertex_list_count, D3DCOLOR color)
  {
      FIXME("iface %p, vertex_list %p, vertex_list_count %u, color 0x%08x stub!\n",
              iface, vertex_list, vertex_list_count, color);
  
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI d3dx9_line_DrawTransform(ID3DXLine *iface, const D3DXVECTOR3 *vertex_list,
          DWORD vertex_list_count, const D3DXMATRIX *transform, D3DCOLOR color)
  {
      FIXME("iface %p, vertex_list %p, vertex_list_count %u, transform %p, color 0x%08x stub!\n",
              iface, vertex_list, vertex_list_count, transform, color);
  
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI d3dx9_line_SetPattern(ID3DXLine *iface, DWORD pattern)
  {
      FIXME("iface %p, pattern 0x%08x stub!\n", iface, pattern);
  
      return E_NOTIMPL;
  }
  
  static DWORD WINAPI d3dx9_line_GetPattern(ID3DXLine *iface)
  {
      FIXME("iface %p stub!\n", iface);
  
      return 0xffffffff;
  }
  
  static HRESULT WINAPI d3dx9_line_SetPatternScale(ID3DXLine *iface, float scale)
  {
      FIXME("iface %p, scale %.8e stub!\n", iface, scale);
  
      return E_NOTIMPL;
  }
  
  static float WINAPI d3dx9_line_GetPatternScale(ID3DXLine *iface)
  {
      FIXME("iface %p stub!\n", iface);
  
      return 1.0f;
  }
  
  static HRESULT WINAPI d3dx9_line_SetWidth(ID3DXLine *iface, float width)
  {
      FIXME("iface %p, width %.8e stub!\n", iface, width);
  
      return E_NOTIMPL;
  }
  
  static float WINAPI d3dx9_line_GetWidth(ID3DXLine *iface)
  {
      FIXME("iface %p stub!\n", iface);
  
      return 1.0f;
  }
  
  static HRESULT WINAPI d3dx9_line_SetAntialias(ID3DXLine *iface, BOOL antialias)
  {
      FIXME("iface %p, antialias %#x stub!\n", iface, antialias);
  
      return E_NOTIMPL;
  }
  
  static BOOL WINAPI d3dx9_line_GetAntialias(ID3DXLine *iface)
  {
      FIXME("iface %p stub!\n", iface);
  
      return FALSE;
  }
  
  static HRESULT WINAPI d3dx9_line_SetGLLines(ID3DXLine *iface, BOOL gl_lines)
  {
      FIXME("iface %p, gl_lines %#x stub!\n", iface, gl_lines);
  
      return E_NOTIMPL;
  }
  
  static BOOL WINAPI d3dx9_line_GetGLLines(ID3DXLine *iface)
  {
      FIXME("iface %p stub!\n", iface);
  
      return FALSE;
  }
  
  static HRESULT WINAPI d3dx9_line_End(ID3DXLine *iface)
  {
      struct d3dx9_line *line = impl_from_ID3DXLine(iface);
  
      HRESULT hr;
  
      TRACE("iface %p.\n", iface);
  
      if (!line->state)
          return D3DERR_INVALIDCALL;
  
      hr = IDirect3DStateBlock9_Apply(line->state);
      IDirect3DStateBlock9_Release(line->state);
      line->state = NULL;
  
      if (FAILED(hr))
          return D3DXERR_INVALIDDATA;
  
      return D3D_OK;
  }
  
  static HRESULT WINAPI d3dx9_line_OnLostDevice(ID3DXLine *iface)
  {
      FIXME("iface %p stub!\n", iface);
  
      return E_NOTIMPL;
  }
  static HRESULT WINAPI d3dx9_line_OnResetDevice(ID3DXLine *iface)
  {
      FIXME("iface %p stub!\n", iface);
  
      return E_NOTIMPL;
  }
  
  static const struct ID3DXLineVtbl d3dx9_line_vtbl =
  {
      d3dx9_line_QueryInterface,
      d3dx9_line_AddRef,
      d3dx9_line_Release,
      d3dx9_line_GetDevice,
      d3dx9_line_Begin,
      d3dx9_line_Draw,
      d3dx9_line_DrawTransform,
      d3dx9_line_SetPattern,
      d3dx9_line_GetPattern,
      d3dx9_line_SetPatternScale,
      d3dx9_line_GetPatternScale,
      d3dx9_line_SetWidth,
      d3dx9_line_GetWidth,
      d3dx9_line_SetAntialias,
      d3dx9_line_GetAntialias,
      d3dx9_line_SetGLLines,
      d3dx9_line_GetGLLines,
      d3dx9_line_End,
      d3dx9_line_OnLostDevice,
      d3dx9_line_OnResetDevice,
  };
  
  HRESULT WINAPI D3DXCreateLine(struct IDirect3DDevice9 *device, struct ID3DXLine **line)
  {
      struct d3dx9_line *object;
  
      TRACE("device %p, line %p.\n", device, line);
  
      if (!device || !line)
          return D3DERR_INVALIDCALL;
  
      if (!(object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object))))
          return E_OUTOFMEMORY;
  
      object->ID3DXLine_iface.lpVtbl = &d3dx9_line_vtbl;
      object->ref = 1;
      object->device = device;
      IDirect3DDevice9_AddRef(device);
  
      *line = &object->ID3DXLine_iface;
  
      return D3D_OK;
  }
  