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better, less hacky, more OOP-friendly scheduler design

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This commit is contained in:
Arisotura
2023-11-02 21:04:09 +01:00
parent 5ccd3916ff
commit 70c6750561
14 changed files with 203 additions and 219 deletions
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27
src/GPU.cpp
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@ -36,6 +36,13 @@ namespace GPU
#define HBLANK_CYCLES (48+(256*6))
#define FRAME_CYCLES (LINE_CYCLES * 263)
enum
{
LCD_StartHBlank = 0,
LCD_StartScanline,
LCD_FinishFrame,
};
u16 VCount;
u32 NextVCount;
u16 TotalScanlines;
@ -151,6 +158,11 @@ std::unique_ptr<GLCompositor> CurGLCompositor = {};
bool Init()
{
NDS::RegisterEventFunc(NDS::Event_LCD, LCD_StartHBlank, StartHBlank);
NDS::RegisterEventFunc(NDS::Event_LCD, LCD_StartScanline, StartScanline);
NDS::RegisterEventFunc(NDS::Event_LCD, LCD_FinishFrame, FinishFrame);
NDS::RegisterEventFunc(NDS::Event_DisplayFIFO, 0, DisplayFIFO);
GPU2D_Renderer = std::make_unique<GPU2D::SoftRenderer>();
if (!GPU3D::Init()) return false;
@ -180,6 +192,11 @@ void DeInit()
#ifdef OGLRENDERER_ENABLED
CurGLCompositor = nullptr;
#endif
NDS::UnregisterEventFunc(NDS::Event_LCD, LCD_StartHBlank);
NDS::UnregisterEventFunc(NDS::Event_LCD, LCD_StartScanline);
NDS::UnregisterEventFunc(NDS::Event_LCD, LCD_FinishFrame);
NDS::UnregisterEventFunc(NDS::Event_DisplayFIFO, 0);
}
void ResetVRAMCache()
@ -1022,7 +1039,7 @@ void DisplayFIFO(u32 x)
{
// transfer the next 8 pixels
NDS::CheckDMAs(0, 0x04);
NDS::ScheduleEvent(NDS::Event_DisplayFIFO, true, 6*8, DisplayFIFO, x+8);
NDS::ScheduleEvent(NDS::Event_DisplayFIFO, true, 6*8, 0, x+8);
}
else
GPU2D_A.SampleFIFO(253, 3); // sample the remaining pixels
@ -1077,9 +1094,9 @@ void StartHBlank(u32 line)
if (DispStat[1] & (1<<4)) NDS::SetIRQ(1, NDS::IRQ_HBlank);
if (VCount < 262)
NDS::ScheduleEvent(NDS::Event_LCD, true, (LINE_CYCLES - HBLANK_CYCLES), StartScanline, line+1);
NDS::ScheduleEvent(NDS::Event_LCD, true, (LINE_CYCLES - HBLANK_CYCLES), LCD_StartScanline, line+1);
else
NDS::ScheduleEvent(NDS::Event_LCD, true, (LINE_CYCLES - HBLANK_CYCLES), FinishFrame, line+1);
NDS::ScheduleEvent(NDS::Event_LCD, true, (LINE_CYCLES - HBLANK_CYCLES), LCD_FinishFrame, line+1);
}
void FinishFrame(u32 lines)
@ -1164,7 +1181,7 @@ void StartScanline(u32 line)
}
if (RunFIFO)
NDS::ScheduleEvent(NDS::Event_DisplayFIFO, false, 32, DisplayFIFO, 0);
NDS::ScheduleEvent(NDS::Event_DisplayFIFO, false, 32, 0, 0);
}
if (VCount == 262)
@ -1210,7 +1227,7 @@ void StartScanline(u32 line)
}
}
NDS::ScheduleEvent(NDS::Event_LCD, true, HBLANK_CYCLES, StartHBlank, line);
NDS::ScheduleEvent(NDS::Event_LCD, true, HBLANK_CYCLES, LCD_StartHBlank, line);
}