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HW/GBACore: Add some special handling for GBPlayer.

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Set a fixed GBA-sized video buffer.
Don't connect audio output to Mixer.
Don't configure an SIODriver.
This commit is contained in:
Jordan Woyak 2026-03-28 14:30:24 -05:00
parent 19157cacd5
commit 2f4badc357
1 changed files with 28 additions and 6 deletions
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34
Source/Core/Core/HW/GBACore.cpp
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@ -238,11 +238,15 @@ bool Core::Start(u64 gc_ticks)
m_gc_ticks_remainder = 0;
m_keys = 0;
SetSIODriver();
if (m_device_number != Config::GBPLAYER_GBA_INDEX)
{
SetSIODriver();
SetAVStream();
}
SetVideoBuffer();
SetAudioBufferSize();
AddCallbacks();
SetAVStream();
SetupEvent();
m_core->reset(m_core);
@ -394,10 +398,28 @@ void Core::SetSIODriver()
void Core::SetVideoBuffer()
{
u32 width, height;
m_core->currentVideoSize(m_core, &width, &height);
m_video_buffer.resize(width * height);
m_core->setVideoBuffer(m_core, m_video_buffer.data(), width);
if (m_device_number == Config::GBPLAYER_GBA_INDEX)
{
// GBPlayer expects a GBA-sized video buffer even in GB mode.
// Clear it first to avoid stuck colors from the previous game on switch from GBA->GB.
m_video_buffer.clear();
m_video_buffer.resize(std::size_t{GBA_VIDEO_HORIZONTAL_PIXELS} * GBA_VIDEO_VERTICAL_PIXELS);
constexpr size_t GB_VIDEO_OFFSET = 1960;
m_core->setVideoBuffer(
m_core, m_video_buffer.data() + ((GetPlatform() == mPLATFORM_GBA) ? 0 : GB_VIDEO_OFFSET),
GBA_VIDEO_HORIZONTAL_PIXELS);
}
else
{
u32 width;
u32 height;
m_core->currentVideoSize(m_core, &width, &height);
m_video_buffer.resize(std::size_t{width} * height);
m_core->setVideoBuffer(m_core, m_video_buffer.data(), width);
}
if (auto host = m_host.lock())
host->GameChanged();
}