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use syncs instead of glFinish

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This commit is contained in:
RSDuck 2021-02-16 15:00:23 +01:00
parent 295d60e4cb
commit 64c6654d94
2 changed files with 25 additions and 8 deletions
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30
src/frontend/qt_sdl/main.cpp
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@ -487,20 +487,33 @@ void EmuThread::run()
}
}
#ifdef OGLRENDERER_ENABLED
if (videoRenderer == 1)
{
FrontBufferLock.lock();
if (FrontBufferReverseSyncs[FrontBuffer ^ 1])
glWaitSync(FrontBufferReverseSyncs[FrontBuffer ^ 1], 0, GL_TIMEOUT_IGNORED);
FrontBufferLock.unlock();
}
#endif
// emulate
u32 nlines = NDS::RunFrame();
FrontBufferLock.lock();
FrontBuffer = GPU::FrontBuffer;
#ifdef OGLRENDERER_ENABLED
if (videoRenderer == 1)
{
if (FrontBufferSyncs[FrontBuffer])
glDeleteSync(FrontBufferSyncs[FrontBuffer]);
FrontBufferSyncs[FrontBuffer] = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
// this is hacky but this is the easiest way to call
// this function without dealling with a ton of
// macro mess
epoxy_glFinish();
epoxy_glFlush();
}
#endif
FrontBuffer = GPU::FrontBuffer;
FrontBufferLock.unlock();
#ifdef MELONCAP
@ -1012,6 +1025,8 @@ void ScreenPanelGL::paintGL()
#ifdef OGLRENDERER_ENABLED
if (GPU::Renderer != 0)
{
if (emuThread->FrontBufferSyncs[emuThread->FrontBuffer])
glWaitSync(emuThread->FrontBufferSyncs[emuThread->FrontBuffer], 0, GL_TIMEOUT_IGNORED);
// hardware-accelerated render
GPU::CurGLCompositor->BindOutputTexture(frontbuf);
}
@ -1046,16 +1061,15 @@ void ScreenPanelGL::paintGL()
}
screenShader->release();
if (emuThread->FrontBufferReverseSyncs[emuThread->FrontBuffer])
glDeleteSync(emuThread->FrontBufferReverseSyncs[emuThread->FrontBuffer]);
emuThread->FrontBufferReverseSyncs[emuThread->FrontBuffer] = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
emuThread->FrontBufferLock.unlock();
}
OSD::Update(this);
OSD::DrawGL(this, w*factor, h*factor);
if (emuThread)
{
glFinish();
emuThread->FrontBufferLock.unlock();
}
}
void ScreenPanelGL::resizeEvent(QResizeEvent* event)

3
src/frontend/qt_sdl/main.h
View File

@ -63,6 +63,9 @@ public:
int FrontBuffer = 0;
QMutex FrontBufferLock;
GLsync FrontBufferReverseSyncs[2] = {nullptr, nullptr};
GLsync FrontBufferSyncs[2] = {nullptr, nullptr};
signals:
void windowUpdate();
void windowTitleChange(QString title);