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 #include <memory>
  19
  20 CRenderSystemBase::CRenderSystemBase()
  21 {
  22   m_bRenderCreated = false;
  23   m_bVSync = true;
  24   m_maxTextureSize = 2048;
  25   m_RenderVersionMajor = 0;
  26   m_RenderVersionMinor = 0;
  27   m_minDXTPitch = 0;
  28 }
  29
  30 CRenderSystemBase::~CRenderSystemBase() = default;
  31
  32 void CRenderSystemBase::GetRenderVersion(unsigned int& major, unsigned int& minor) const
  33 {
  34   major = m_RenderVersionMajor;
  35   minor = m_RenderVersionMinor;
  36 }
  37
  38 bool CRenderSystemBase::SupportsNPOT(bool dxt) const
  39 {
  40   if (dxt)
  41     return false;
  42
  43   return true;
  44 }
  45
  46 bool CRenderSystemBase::SupportsStereo(RENDER_STEREO_MODE mode) const
  47 {
  48   switch(mode)
  49   {
  50     case RENDER_STEREO_MODE_OFF:
  51     case RENDER_STEREO_MODE_SPLIT_HORIZONTAL:
  52     case RENDER_STEREO_MODE_SPLIT_VERTICAL:
  53     case RENDER_STEREO_MODE_MONO:
  54       return true;
  55     default:
  56       return false;
  57   }
  58 }
  59
  60 void CRenderSystemBase::ShowSplash(const std::string& message)
  61 {
  62   if (!CServiceBroker::GetSettingsComponent()->GetAdvancedSettings()->m_splashImage && !(m_splashImage || !message.empty()))
  63     return;
  64
  65   if (!m_splashImage)
  66   {
  67     m_splashImage = std::make_unique<CGUIImage>(
  68         0, 0, .0f, .0f,
  69         static_cast<float>(CServiceBroker::GetWinSystem()->GetGfxContext().GetWidth()),
  70         static_cast<float>(CServiceBroker::GetWinSystem()->GetGfxContext().GetHeight()),
  71         CTextureInfo(CUtil::GetSplashPath()));
  72     m_splashImage->SetAspectRatio(CAspectRatio::AR_SCALE);
  73   }
  74
  75   CServiceBroker::GetWinSystem()->GetGfxContext().lock();
  76   CServiceBroker::GetWinSystem()->GetGfxContext().Clear(0xff000000);
  77
  78   RESOLUTION_INFO res = CServiceBroker::GetWinSystem()->GetGfxContext().GetResInfo();
  79   CServiceBroker::GetWinSystem()->GetGfxContext().SetRenderingResolution(res, true);
  80
  81   //render splash image
  82   BeginRender();
  83
  84   m_splashImage->AllocResources();
  85   m_splashImage->Render();
  86   m_splashImage->FreeResources();
  87
  88   if (!message.empty())
  89   {
  90     if (!m_splashMessageLayout)
  91     {
  92       auto messageFont = g_fontManager.LoadTTF("__splash__", "arial.ttf", 0xFFFFFFFF, 0, 20, FONT_STYLE_NORMAL, false, 1.0f, 1.0f, &res);
  93       if (messageFont)
  94         m_splashMessageLayout = std::make_unique<CGUITextLayout>(messageFont, true, .0f);
  95     }
  96
  97     if (m_splashMessageLayout)
  98     {
  99       m_splashMessageLayout->Update(message, 1150, false, true);
 100       float textWidth, textHeight;
 101       m_splashMessageLayout->GetTextExtent(textWidth, textHeight);
 102
 103       int width = CServiceBroker::GetWinSystem()->GetGfxContext().GetWidth();
 104       int height = CServiceBroker::GetWinSystem()->GetGfxContext().GetHeight();
 105       float y = height - textHeight - 100;
 106       m_splashMessageLayout->RenderOutline(width/2, y, 0, 0xFF000000, XBFONT_CENTER_X, width);
 107     }
 108   }
 109
 110   //show it on screen
 111   EndRender();
 112   CServiceBroker::GetWinSystem()->GetGfxContext().unlock();
 113   CServiceBroker::GetWinSystem()->GetGfxContext().Flip(true, false);
 114 }
 115