static void menu_display_d3d_restore_clear_color(void)
{
   d3d_video_t     *d3d = d3d_get_ptr();
   DWORD    clear_color = 0x00000000;

   d3d_clear(d3d->dev, 0, NULL, D3DCLEAR_TARGET, clear_color, 0, 0);
}
static void menu_display_d3d_clear_color(float r, float g, float b, float a)
{
   d3d_video_t     *d3d = d3d_get_ptr();
   DWORD    clear_color = D3DCOLOR_ARGB(BYTE_CLAMP(a * 255.0f), BYTE_CLAMP(r * 255.0f), BYTE_CLAMP(g * 255.0f), BYTE_CLAMP(b * 255.0f));

   d3d_clear(d3d->dev, 0, NULL, D3DCLEAR_TARGET, clear_color, 0, 0);
}
static void *menu_display_d3d_get_default_mvp(void)
{
   d3d_video_t *d3d = d3d_get_ptr();

   if (!d3d)
      return NULL;
   return NULL; /* TODO/FIXME */
}
static void menu_display_d3d_blend_end(void)
{
   d3d_video_t *d3d = d3d_get_ptr();

   if (!d3d)
      return;

   d3d_disable_blend_func(d3d->dev);
}
static void menu_display_d3d_draw_bg(
      unsigned width,
      unsigned height,
      uintptr_t texture,
      float handle_alpha,
      bool force_transparency,
      float *coord_color,
      float *coord_color2,
      const float *vertex,
      const float *tex_coord,
      size_t vertex_count,
      enum menu_display_prim_type prim_type)
{
   struct gfx_coords coords;
   const float *new_vertex    = NULL;
   const float *new_tex_coord = NULL;
   global_t     *global = global_get_ptr();
   settings_t *settings = config_get_ptr();
   d3d_video_t     *d3d = d3d_get_ptr();

   if (!d3d)
      return;

   new_vertex    = vertex;
   new_tex_coord = tex_coord;

   if (!new_vertex)
      new_vertex = &d3d_vertexes[0];
   if (!new_tex_coord)
      new_tex_coord = &d3d_tex_coords[0];

   coords.vertices      = vertex_count;
   coords.vertex        = new_vertex;
   coords.tex_coord     = new_tex_coord;
   coords.lut_tex_coord = new_tex_coord;
   coords.color         = (const float*)coord_color;

   menu_display_d3d_blend_begin();

   menu_display_ctl(MENU_DISPLAY_CTL_SET_VIEWPORT, NULL);

   if ((settings->menu.pause_libretro
      || !global->inited.main || (global->inited.core.type == CORE_TYPE_DUMMY))
      && !force_transparency
      && texture)
      coords.color = (const float*)coord_color2;

   menu_display_d3d_draw(0, 0, width, height,
         &coords, (math_matrix_4x4*)menu_display_d3d_get_default_mvp(),
         (uintptr_t)texture, prim_type);

   menu_display_d3d_blend_end();

#if 0
   gl->coords.color = gl->white_color_ptr;
#endif
}
static void menu_display_d3d_draw_bg(void *data)
{
   struct gfx_coords coords;
   const float    *new_vertex    = NULL;
   const float    *new_tex_coord = NULL;
   global_t              *global = global_get_ptr();
   settings_t          *settings = config_get_ptr();
   d3d_video_t              *d3d = d3d_get_ptr();
   menu_display_ctx_draw_t *draw = (menu_display_ctx_draw_t*)data;

   if (!d3d || !draw)
      return;

   (void)coords;

   new_vertex    = draw->vertex;
   new_tex_coord = draw->tex_coord;

   if (!new_vertex)
      new_vertex = &d3d_vertexes[0];
   if (!new_tex_coord)
      new_tex_coord = &d3d_tex_coords[0];

   coords.vertices      = draw->vertex_count;
   coords.vertex        = new_vertex;
   coords.tex_coord     = new_tex_coord;
   coords.lut_tex_coord = new_tex_coord;
   coords.color         = (const float*)draw->color;

   menu_display_d3d_blend_begin();

   menu_display_ctl(MENU_DISPLAY_CTL_SET_VIEWPORT, NULL);

   if (
         (   settings->menu.pause_libretro
          || !rarch_ctl(RARCH_CTL_IS_INITED, NULL) 
          || rarch_ctl(RARCH_CTL_IS_DUMMY_CORE, NULL)
         )
      && !draw->force_transparency && draw->texture)
      coords.color = (const float*)draw->color2;

   draw->x           = 0;
   draw->y           = 0;
   draw->matrix_data = (math_matrix_4x4*)
      menu_display_d3d_get_default_mvp();

   menu_display_d3d_draw(draw);

   menu_display_d3d_blend_end();

#if 0
   gl->coords.color = gl->white_color_ptr;
#endif
}
static void menu_display_d3d_draw(void *data)
{
   D3DVIEWPORT                vp = {0};
   math_matrix_4x4          *mat = NULL;
   d3d_video_t              *d3d = d3d_get_ptr();
   menu_display_ctx_draw_t *draw = (menu_display_ctx_draw_t*)data;

   if (!d3d || !draw)
      return;
   
   mat = (math_matrix_4x4*)draw->matrix_data;

   /* TODO - edge case */
   if (draw->height <= 0)
      draw->height = 1;

   if (!mat)
      mat                         = (math_matrix_4x4*)
         menu_display_d3d_get_default_mvp();
   if (!draw->coords->vertex)
      draw->coords->vertex        = &d3d_vertexes[0];
   if (!draw->coords->tex_coord)
      draw->coords->tex_coord     = &d3d_tex_coords[0];
   if (!draw->coords->lut_tex_coord)
      draw->coords->lut_tex_coord = &d3d_tex_coords[0];

   vp.X      = draw->x;
   vp.Y      = draw->y;
   vp.Width  = draw->width;
   vp.Height = draw->height;
   vp.MinZ   = 0.0f;
   vp.MaxZ   = 1.0f;

   d3d_set_viewports(d3d->dev, &vp);
   d3d_set_texture(d3d->dev, 0, (LPDIRECT3DTEXTURE)draw->texture);

#if 0
   video_shader_driver_set_coords(d3d, draw->coords);
   video_shader_driver_set_mvp(d3d, mat);
#endif

   d3d_draw_primitive(d3d->dev, (D3DPRIMITIVETYPE)
         menu_display_prim_to_d3d_enum(draw->prim_type),
         0, draw->coords->vertices);

#if 0
   gl->coords.color     = gl->white_color_ptr;
#endif
}
static void menu_display_d3d_draw(
      float x, float y,
      unsigned width, unsigned height,
      struct gfx_coords *coords,
      void *matrix_data,
      uintptr_t texture,
      enum menu_display_prim_type prim_type
      )
{
   D3DVIEWPORT vp       = {0};
   d3d_video_t     *d3d = d3d_get_ptr();
   math_matrix_4x4 *mat = (math_matrix_4x4*)matrix_data;

   if (!d3d)
      return;

   /* TODO - edge case */
   if (height <= 0)
      height = 1;

   if (!mat)
      mat = (math_matrix_4x4*)menu_display_d3d_get_default_mvp();
   if (!coords->vertex)
      coords->vertex = &d3d_vertexes[0];
   if (!coords->tex_coord)
      coords->tex_coord = &d3d_tex_coords[0];
   if (!coords->lut_tex_coord)
      coords->lut_tex_coord = &d3d_tex_coords[0];

   vp.X      = x;
   vp.Y      = y;
   vp.Width  = width;
   vp.Height = height;
   vp.MinZ   = 0.0f;
   vp.MaxZ   = 1.0f;

   d3d_set_viewports(d3d->dev, &vp);
   d3d_set_texture(d3d->dev, 0, (LPDIRECT3DTEXTURE)texture);

   d3d_draw_primitive(d3d->dev, (D3DPRIMITIVETYPE)menu_display_prim_to_d3d_enum(prim_type), 0, coords->vertices);

#if 0
   gl->coords.color     = gl->white_color_ptr;
#endif
}
static void menu_display_d3d_clear_color(void *data)
{
   DWORD    clear_color                      = 0;
   d3d_video_t     *d3d                      = d3d_get_ptr();
   menu_display_ctx_clearcolor_t *clearcolor = 
      (menu_display_ctx_clearcolor_t*)data;

   if (!d3d || !clearcolor)
      return;
   
   clear_color = D3DCOLOR_ARGB(
         BYTE_CLAMP(clearcolor->a * 255.0f), /* A */
         BYTE_CLAMP(clearcolor->r * 255.0f), /* R */
         BYTE_CLAMP(clearcolor->g * 255.0f), /* G */
         BYTE_CLAMP(clearcolor->b * 255.0f)  /* B */
         );

   d3d_clear(d3d->dev, 0, NULL, D3DCLEAR_TARGET, clear_color, 0, 0);
}
static void *menu_display_d3d_get_default_mvp(void)
{
#ifndef _XBOX
   static math_matrix_4x4 default_mvp;
   D3DXMATRIX ortho, mvp;
#endif
   d3d_video_t *d3d = d3d_get_ptr();

   if (!d3d)
      return NULL;
#ifdef _XBOX
   return NULL; /* TODO/FIXME */
#else
   D3DXMatrixOrthoOffCenterLH(&ortho, 0,
         d3d->final_viewport.Width, 0, d3d->final_viewport.Height, 0, 1);
   D3DXMatrixTranspose(&mvp, &ortho);
   memcpy(default_mvp.data, (FLOAT*)mvp, sizeof(default_mvp.data));

   return &default_mvp;
#endif
}