piwalker/melonDS
1
0
Fork 0
mirror of https://github.com/melonDS-emu/melonDS.git synced 2024-11-14 13:27:41 -07:00
Code Issues Actions 3 Packages Projects Releases Wiki Activity

small fix

Browse Source
This commit is contained in:
Jaklyy 2024-04-21 14:48:46 -04:00
parent 424c5755ea
commit 1aa86967b5
2 changed files with 8 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/GPU.cpp
View File

@ -880,9 +880,9 @@ void GPU::StartHBlank(u32 line) noexcept
DispStat[0] |= (1<<1); DispStat[0] |= (1<<1);
DispStat[1] |= (1<<1); DispStat[1] |= (1<<1);
// not the correct timing, but... close enough i guess? // TODO: not quite the correct update time, but... close enough i guess?
int scanline = (VCount == 262 ? 0 : (line+1)); int scanline = (VCount == 262 ? 0 : (line+1));
GPU3D.ScanlineSync(scanline); if (!(scanline & 1)) GPU3D.ScanlineSync(scanline);
if (GPU3D.UnderflowFlagVCount == scanline) GPU3D.DispCnt |= (1<<12); if (GPU3D.UnderflowFlagVCount == scanline) GPU3D.DispCnt |= (1<<12);
if (VCount < 192) if (VCount < 192)

9
src/GPU3D_Soft.cpp
View File

@ -2158,18 +2158,21 @@ void SoftRenderer::RenderThreadFunc(GPU& gpu)
} }
void SoftRenderer::ScanlineSync(int line) void SoftRenderer::ScanlineSync(int line)
{ {
// only used in accurate mode (timings must be emulated)
if (Accuracy && RenderThreadRunning.load(std::memory_order_relaxed)) if (Accuracy && RenderThreadRunning.load(std::memory_order_relaxed))
{ {
if (line < 192) if (line < 192)
// We need a scanline, so let's wait for the render thread to finish it. {
// (both threads process scanlines from top-to-bottom, // wait for two scanlines here, since scanlines render in pairs.
// so we don't need to wait for a specific row)
Platform::Semaphore_Wait(Sema_ScanlineCount); Platform::Semaphore_Wait(Sema_ScanlineCount);
Platform::Semaphore_Wait(Sema_ScanlineCount);
}
} }
} }
u32* SoftRenderer::GetLine(int line) u32* SoftRenderer::GetLine(int line)
{ {
// only wait in in-accurate mode (we've already waited for scanlines in accurate mode)
if (!Accuracy && RenderThreadRunning.load(std::memory_order_relaxed)) if (!Accuracy && RenderThreadRunning.load(std::memory_order_relaxed))
{ {
if (line < 192) if (line < 192)