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/*
* Copyright (C) 2005-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#include "GUIRenderingControl.h"
#include "guilib/IRenderingCallback.h"
#include <mutex>
#ifdef TARGET_WINDOWS
#include "rendering/dx/DeviceResources.h"
#endif
#define LABEL_ROW1 10
#define LABEL_ROW2 11
#define LABEL_ROW3 12
CGUIRenderingControl::CGUIRenderingControl(int parentID, int controlID, float posX, float posY, float width, float height)
: CGUIControl(parentID, controlID, posX, posY, width, height)
{
ControlType = GUICONTROL_RENDERADDON;
m_callback = NULL;
}
CGUIRenderingControl::CGUIRenderingControl(const CGUIRenderingControl &from)
: CGUIControl(from)
{
ControlType = GUICONTROL_RENDERADDON;
m_callback = NULL;
}
bool CGUIRenderingControl::InitCallback(IRenderingCallback *callback)
{
if (!callback)
return false;
std::unique_lock<CCriticalSection> lock(m_rendering);
CServiceBroker::GetWinSystem()->GetGfxContext().CaptureStateBlock();
float x = CServiceBroker::GetWinSystem()->GetGfxContext().ScaleFinalXCoord(GetXPosition(), GetYPosition());
float y = CServiceBroker::GetWinSystem()->GetGfxContext().ScaleFinalYCoord(GetXPosition(), GetYPosition());
float w = CServiceBroker::GetWinSystem()->GetGfxContext().ScaleFinalXCoord(GetXPosition() + GetWidth(), GetYPosition() + GetHeight()) - x;
float h = CServiceBroker::GetWinSystem()->GetGfxContext().ScaleFinalYCoord(GetXPosition() + GetWidth(), GetYPosition() + GetHeight()) - y;
if (x < 0) x = 0;
if (y < 0) y = 0;
if (x + w > CServiceBroker::GetWinSystem()->GetGfxContext().GetWidth()) w = CServiceBroker::GetWinSystem()->GetGfxContext().GetWidth() - x;
if (y + h > CServiceBroker::GetWinSystem()->GetGfxContext().GetHeight()) h = CServiceBroker::GetWinSystem()->GetGfxContext().GetHeight() - y;
void *device = NULL;
#if TARGET_WINDOWS
device = DX::DeviceResources::Get()->GetD3DDevice();
#endif
if (callback->Create((int)(x+0.5f), (int)(y+0.5f), (int)(w+0.5f), (int)(h+0.5f), device))
m_callback = callback;
else
return false;
CServiceBroker::GetWinSystem()->GetGfxContext().ApplyStateBlock();
return true;
}
void CGUIRenderingControl::UpdateVisibility(const CGUIListItem *item)
{
// if made invisible, start timer, only free addonptr after
// some period, configurable by window class
CGUIControl::UpdateVisibility(item);
if (!IsVisible() && m_callback)
FreeResources();
}
void CGUIRenderingControl::Process(unsigned int currentTime, CDirtyRegionList &dirtyregions)
{
//! @todo Add processing to the addon so it could mark when actually changing
std::unique_lock<CCriticalSection> lock(m_rendering);
if (m_callback && m_callback->IsDirty())
MarkDirtyRegion();
CGUIControl::Process(currentTime, dirtyregions);
}
void CGUIRenderingControl::Render()
{
std::unique_lock<CCriticalSection> lock(m_rendering);
if (m_callback)
{
// set the viewport - note: We currently don't have any control over how
// the addon renders, so the best we can do is attempt to define
// a viewport??
CServiceBroker::GetWinSystem()->GetGfxContext().SetViewPort(m_posX, m_posY, m_width, m_height);
CServiceBroker::GetWinSystem()->GetGfxContext().CaptureStateBlock();
m_callback->Render();
CServiceBroker::GetWinSystem()->GetGfxContext().ApplyStateBlock();
CServiceBroker::GetWinSystem()->GetGfxContext().RestoreViewPort();
}
CGUIControl::Render();
}
void CGUIRenderingControl::FreeResources(bool immediately)
{
std::unique_lock<CCriticalSection> lock(m_rendering);
if (!m_callback) return;
CServiceBroker::GetWinSystem()->GetGfxContext().CaptureStateBlock(); //! @todo locking
m_callback->Stop();
CServiceBroker::GetWinSystem()->GetGfxContext().ApplyStateBlock();
m_callback = NULL;
}
bool CGUIRenderingControl::CanFocusFromPoint(const CPoint &point) const
{ // mouse is allowed to focus this control, but it doesn't actually receive focus
return IsVisible() && HitTest(point);
}
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