static void draw_osd(void)
{
if (!use_osd) return;
if (vo_osd_changed(0)) {
int osd_h, osd_w;
clearOSD();
osd_w = scaled_osd ? image_width : vo_dwidth;
osd_h = scaled_osd ? image_height : vo_dheight;
vo_draw_text_ext(osd_w, osd_h, ass_border_x, ass_border_y, ass_border_x, ass_border_y,
image_width, image_height, create_osd_texture);
}
if (vo_doublebuffering) do_render_osd(RENDER_OSD);
}
/** @brief libvo Callback: Draw OSD/Subtitles,
*/
static void draw_osd(void)
{
// we can not render OSD if we lost the device e.g. because it was uncooperative
if (!priv->d3d_device)
return;
if (vo_osd_changed(0)) {
D3DLOCKED_RECT locked_rect; /**< Offscreen surface we lock in order
to copy MPlayer's frame inside it.*/
/* clear the OSD */
if (FAILED(IDirect3DTexture9_LockRect(priv->d3d_texture_system, 0,
&locked_rect, NULL, 0))) {
mp_msg(MSGT_VO,MSGL_ERR, "<vo_direct3d>OSD texture lock failed.\n");
return;
}
/* clear the whole texture to avoid issues due to interpolation */
memset(locked_rect.pBits, 0, locked_rect.Pitch * priv->osd_texture_height);
/* this unlock is used for both slice_draw path and D3DRenderFrame path */
if (FAILED(IDirect3DTexture9_UnlockRect(priv->d3d_texture_system, 0))) {
mp_msg(MSGT_VO,MSGL_ERR, "<vo_direct3d>OSD texture unlock failed.\n");
return;
}
priv->is_osd_populated = 0;
/* required for if subs are in the boarder region */
priv->is_clear_needed = 1;
vo_draw_text_ext(priv->osd_width, priv->osd_height, priv->border_x, priv->border_y,
priv->border_x, priv->border_y, priv->src_width, priv->src_height, draw_alpha);
if (!priv->device_texture_sys)
{
/* only DMA to the shadow if its required */
if (FAILED(IDirect3DDevice9_UpdateTexture(priv->d3d_device,
(IDirect3DBaseTexture9 *)priv->d3d_texture_system,
(IDirect3DBaseTexture9 *)priv->d3d_texture_osd))) {
mp_msg(MSGT_VO,MSGL_ERR, "<vo_direct3d>OSD texture transfer failed.\n");
return;
}
}
}
/* update OSD */
if (priv->is_osd_populated) {
struct_vertex osd_quad_vb[] = {
{-1.0f, 1.0f, 0.0f, 0, 0 },
{ 1.0f, 1.0f, 0.0f, 1, 0 },
{-1.0f,-1.0f, 0.0f, 0, 1 },
{ 1.0f,-1.0f, 0.0f, 1, 1 }
};
/* calculate the texture coordinates */
osd_quad_vb[1].tu =
osd_quad_vb[3].tu = (float)priv->osd_width / priv->osd_texture_width;
osd_quad_vb[2].tv =
osd_quad_vb[3].tv = (float)priv->osd_height / priv->osd_texture_height;
if (FAILED(IDirect3DDevice9_BeginScene(priv->d3d_device))) {
mp_msg(MSGT_VO,MSGL_ERR,"<vo_direct3d>BeginScene failed.\n");
return;
}
/* turn on alpha test */
IDirect3DDevice9_SetRenderState(priv->d3d_device, D3DRS_ALPHABLENDENABLE, TRUE);
IDirect3DDevice9_SetRenderState(priv->d3d_device, D3DRS_ALPHATESTENABLE, TRUE);
/* need to use a texture here (done here as we may be able to texture from system memory) */
IDirect3DDevice9_SetTexture(priv->d3d_device, 0,
(IDirect3DBaseTexture9 *)(priv->device_texture_sys
? priv->d3d_texture_system : priv->d3d_texture_osd));
IDirect3DDevice9_SetFVF(priv->d3d_device, D3DFVF_MY_VERTEX);
IDirect3DDevice9_DrawPrimitiveUP(priv->d3d_device, D3DPT_TRIANGLESTRIP, 2, osd_quad_vb, sizeof(struct_vertex));
/* turn off alpha test */
IDirect3DDevice9_SetRenderState(priv->d3d_device, D3DRS_ALPHATESTENABLE, FALSE);
IDirect3DDevice9_SetRenderState(priv->d3d_device, D3DRS_ALPHABLENDENABLE, FALSE);
if (FAILED(IDirect3DDevice9_EndScene(priv->d3d_device))) {
mp_msg(MSGT_VO,MSGL_ERR,"<vo_direct3d>EndScene failed.\n");
return;
}
}
}