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NetPlay: Change "Reduce Polling Rate" to poll twice per frame

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Some games don't play nice when we poll only once per frame, so we'll poll twice instead.
This commit is contained in:
Techjar 2018-07-08 03:40:00 -04:00
parent 7b986c1b54
commit 38e67c0530
3 changed files with 12 additions and 11 deletions
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8
Source/Core/Core/HW/SI/SI.cpp
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@ -11,8 +11,6 @@
#include "Common/ChunkFile.h"
#include "Common/CommonTypes.h"
#include "Common/Config/Config.h"
#include "Core/Config/MainSettings.h"
#include "Core/ConfigManager.h"
#include "Core/CoreTiming.h"
#include "Core/HW/MMIO.h"
@ -624,11 +622,7 @@ SIDevices GetDeviceType(int channel)
u32 GetPollXLines()
{
// Returning 0 here effectively makes polling happen once per frame, as this is used to increment
// a value in VI for when the next SI poll happens. This should normally only be set during
// NetPlay, as it does not matter for a non-networked session. However, it may also be set during
// movie playback for movies recorded during NetPlay.
return Config::Get(Config::MAIN_REDUCE_POLLING_RATE) ? 0 : s_poll.X;
return s_poll.X;
}
} // end of namespace SerialInterface

9
Source/Core/Core/HW/VideoInterface.cpp
View File

@ -14,6 +14,7 @@
#include "Common/Logging/Log.h"
#include "Common/MathUtil.h"
#include "Core/Config/MainSettings.h"
#include "Core/Config/SYSCONFSettings.h"
#include "Core/ConfigManager.h"
#include "Core/Core.h"
@ -731,6 +732,12 @@ void Update(u64 ticks)
if (s_half_line_of_next_si_poll == s_half_line_count)
{
SerialInterface::UpdateDevices();
// If this setting is enabled, only poll twice per field instead of what the game wanted. It may
// be set during NetPlay or Movie playback.
if (Config::Get(Config::MAIN_REDUCE_POLLING_RATE))
s_half_line_of_next_si_poll += GetHalfLinesPerEvenField() / 2;
else
s_half_line_of_next_si_poll += SerialInterface::GetPollXLines();
}
if (s_half_line_count == s_even_field_first_hl)
@ -819,4 +826,4 @@ void FakeVIUpdate(u32 xfb_address, u32 fb_width, u32 fb_height)
}
}
} // namespace
} // namespace VideoInterface

4
Source/Core/DolphinQt/NetPlay/NetPlayDialog.cpp
View File

@ -123,8 +123,8 @@ void NetPlayDialog::CreateMainLayout()
m_md5_button->setMenu(menu);
m_reduce_polling_rate_box->setToolTip(
tr("This will reduce bandwidth usage, but may add up to one frame of additional latency, as "
"controllers will be polled only once per frame."));
tr("This will reduce bandwidth usage by polling GameCube controllers only twice per frame. "
"Does not affect Wii Remotes."));
m_main_layout->addWidget(m_game_button, 0, 0);
m_main_layout->addWidget(m_md5_button, 0, 1);