xbmc/rendering/RenderSystem.cpp

   1 /*
   2  *  Copyright (C) 2005-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #include "RenderSystem.h"
  10
  11 #include "Util.h"
  12 #include "guilib/GUIFontManager.h"
  13 #include "guilib/GUIImage.h"
  14 #include "guilib/GUILabelControl.h"
  15 #include "settings/AdvancedSettings.h"
  16 #include "settings/SettingsComponent.h"
  17
  18 CRenderSystemBase::CRenderSystemBase()
  19 {
  20   m_bRenderCreated = false;
  21   m_bVSync = true;
  22   m_maxTextureSize = 2048;
  23   m_RenderVersionMajor = 0;
  24   m_RenderVersionMinor = 0;
  25   m_minDXTPitch = 0;
  26 }
  27
  28 CRenderSystemBase::~CRenderSystemBase() = default;
  29
  30 void CRenderSystemBase::GetRenderVersion(unsigned int& major, unsigned int& minor) const
  31 {
  32   major = m_RenderVersionMajor;
  33   minor = m_RenderVersionMinor;
  34 }
  35
  36 bool CRenderSystemBase::SupportsNPOT(bool dxt) const
  37 {
  38   if (dxt)
  39     return false;
  40
  41   return true;
  42 }
  43
  44 bool CRenderSystemBase::SupportsStereo(RENDER_STEREO_MODE mode) const
  45 {
  46   switch(mode)
  47   {
  48     case RENDER_STEREO_MODE_OFF:
  49     case RENDER_STEREO_MODE_SPLIT_HORIZONTAL:
  50     case RENDER_STEREO_MODE_SPLIT_VERTICAL:
  51     case RENDER_STEREO_MODE_MONO:
  52       return true;
  53     default:
  54       return false;
  55   }
  56 }
  57
  58 void CRenderSystemBase::ShowSplash(const std::string& message)
  59 {
  60   if (!CServiceBroker::GetSettingsComponent()->GetAdvancedSettings()->m_splashImage && !(m_splashImage || !message.empty()))
  61     return;
  62
  63   if (!m_splashImage)
  64   {
  65     m_splashImage = std::unique_ptr<CGUIImage>(new CGUIImage(0, 0, 0, 0, CServiceBroker::GetWinSystem()->GetGfxContext().GetWidth(),
  66                                                        CServiceBroker::GetWinSystem()->GetGfxContext().GetHeight(), CTextureInfo(CUtil::GetSplashPath())));
  67     m_splashImage->SetAspectRatio(CAspectRatio::AR_SCALE);
  68   }
  69
  70   CServiceBroker::GetWinSystem()->GetGfxContext().lock();
  71   CServiceBroker::GetWinSystem()->GetGfxContext().Clear();
  72
  73   RESOLUTION_INFO res = CServiceBroker::GetWinSystem()->GetGfxContext().GetResInfo();
  74   CServiceBroker::GetWinSystem()->GetGfxContext().SetRenderingResolution(res, true);
  75
  76   //render splash image
  77   BeginRender();
  78
  79   m_splashImage->AllocResources();
  80   m_splashImage->Render();
  81   m_splashImage->FreeResources();
  82
  83   if (!message.empty())
  84   {
  85     if (!m_splashMessageLayout)
  86     {
  87       auto messageFont = g_fontManager.LoadTTF("__splash__", "arial.ttf", 0xFFFFFFFF, 0, 20, FONT_STYLE_NORMAL, false, 1.0f, 1.0f, &res);
  88       if (messageFont)
  89         m_splashMessageLayout = std::unique_ptr<CGUITextLayout>(new CGUITextLayout(messageFont, true, 0));
  90     }
  91
  92     if (m_splashMessageLayout)
  93     {
  94       m_splashMessageLayout->Update(message, 1150, false, true);
  95       float textWidth, textHeight;
  96       m_splashMessageLayout->GetTextExtent(textWidth, textHeight);
  97
  98       int width = CServiceBroker::GetWinSystem()->GetGfxContext().GetWidth();
  99       int height = CServiceBroker::GetWinSystem()->GetGfxContext().GetHeight();
 100       float y = height - textHeight - 100;
 101       m_splashMessageLayout->RenderOutline(width/2, y, 0, 0xFF000000, XBFONT_CENTER_X, width);
 102     }
 103   }
 104
 105   //show it on screen
 106   EndRender();
 107   CServiceBroker::GetWinSystem()->GetGfxContext().unlock();
 108   CServiceBroker::GetWinSystem()->GetGfxContext().Flip(true, false);
 109 }
 110