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NES PPU - only update palettes & patterns if ppu values change, about a 8fps speedup on my machine

This commit is contained in:
andres.delikat 2011-09-04 16:56:56 +00:00
parent 6b3d217691
commit 71833f419a
1 changed files with 68 additions and 35 deletions
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103
BizHawk.MultiClient/NEStools/NESPPU.cs
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@ -27,6 +27,9 @@ namespace BizHawk.MultiClient
NES Nes;
byte[] PPUBus = new byte[0x2000];
byte[] PPUBusprev = new byte[0x2000];
byte[] PALRAM = new byte[0x20];
byte[] PALRAMprev = new byte[0x20];
NES.PPU.DebugCallback Callback = new NES.PPU.DebugCallback();
@ -35,6 +38,17 @@ namespace BizHawk.MultiClient
InitializeComponent();
Closing += (o, e) => SaveConfigSettings();
Callback.Callback = () => Generate();
for (int x = 0; x < 0x2000; x++)
{
PPUBus[x] = 0;
PPUBusprev[x] = 0;
}
for (int x = 0; x < 0x20; x++)
{
PALRAM[x] = 0;
PALRAMprev[x] = 0;
}
}
private void SaveConfigSettings()
@ -71,58 +85,76 @@ namespace BizHawk.MultiClient
if (Global.Emulator.Frame % RefreshRate.Value == 0)
{
bool Changed = false;
for (int x = 0; x < 0x2000; x++)
PPUBus[x] = Nes.ppu.ppubus_peek(x);
//Palette Viewer
for (int x = 0; x < 16; x++)
{
PaletteView.bgPalettesPrev[x].Value = PaletteView.bgPalettes[x].Value;
PaletteView.spritePalettesPrev[x].Value = PaletteView.spritePalettes[x].Value;
PaletteView.bgPalettes[x].Value = Nes.LookupColor(Nes.ppu.PALRAM[PaletteView.bgPalettes[x].Address]);
PaletteView.spritePalettes[x].Value = Nes.LookupColor(Nes.ppu.PALRAM[PaletteView.spritePalettes[x].Address]);
PPUBusprev[x] = PPUBus[x];
PPUBus[x] = Nes.ppu.ppubus_peek(x);
if (PPUBus[x] != PPUBusprev[x])
Changed = true;
}
for (int x = 0; x < 0x20; x++)
{
PALRAMprev[x] = PALRAM[x];
PALRAM[x] = Nes.ppu.PALRAM[x];
if (PALRAM[x] != PALRAMprev[x])
Changed = true;
}
if (PaletteView.HasChanged())
PaletteView.Refresh();
//Pattern Viewer
int b0 = 0;
int b1 = 0;
byte value;
int cvalue;
int pal;
System.Drawing.Imaging.BitmapData bmpdata = PatternView.pattern.LockBits(new Rectangle(new Point(0, 0), PatternView.pattern.Size), System.Drawing.Imaging.ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
int* framebuf = (int*)bmpdata.Scan0.ToPointer();
for (int z = 0; z < 2; z++)
if (Changed)
{
if (z == 0)
pal = PatternView.Pal0;
else
pal = PatternView.Pal1;
for (int i = 0; i < 16; i++)
//Pattern Viewer
int pal;
for (int x = 0; x < 16; x++)
{
for (int j = 0; j < 16; j++)
{
for (int x = 0; x < 8; x++)
{
for (int y = 0; y < 8; y++)
{
b0 = GetBit((z * 0x1000) + (i * 256) + (j * 16) + y + 0 * 8, x);
b1 = GetBit((z * 0x1000) + (i * 256) + (j * 16) + y + 1 * 8, x);
PaletteView.bgPalettesPrev[x].Value = PaletteView.bgPalettes[x].Value;
PaletteView.spritePalettesPrev[x].Value = PaletteView.spritePalettes[x].Value;
PaletteView.bgPalettes[x].Value = Nes.LookupColor(Nes.ppu.PALRAM[PaletteView.bgPalettes[x].Address]);
PaletteView.spritePalettes[x].Value = Nes.LookupColor(Nes.ppu.PALRAM[PaletteView.spritePalettes[x].Address]);
}
if (PaletteView.HasChanged())
PaletteView.Refresh();
value = (byte)(b0 + (b1 << 1));
cvalue = Nes.LookupColor(Nes.ppu.PALRAM[value + (pal * 4)]);
int adr = (x + (j * 8)) + (y + (i * 8)) * (bmpdata.Stride / 4);
framebuf[adr + (z * 128)] = cvalue;
System.Drawing.Imaging.BitmapData bmpdata = PatternView.pattern.LockBits(new Rectangle(new Point(0, 0), PatternView.pattern.Size), System.Drawing.Imaging.ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
int* framebuf = (int*)bmpdata.Scan0.ToPointer();
for (int z = 0; z < 2; z++)
{
if (z == 0)
pal = PatternView.Pal0;
else
pal = PatternView.Pal1;
for (int i = 0; i < 16; i++)
{
for (int j = 0; j < 16; j++)
{
for (int x = 0; x < 8; x++)
{
for (int y = 0; y < 8; y++)
{
b0 = GetBit((z * 0x1000) + (i * 256) + (j * 16) + y + 0 * 8, x);
b1 = GetBit((z * 0x1000) + (i * 256) + (j * 16) + y + 1 * 8, x);
value = (byte)(b0 + (b1 << 1));
cvalue = Nes.LookupColor(Nes.ppu.PALRAM[value + (pal * 4)]);
int adr = (x + (j * 8)) + (y + (i * 8)) * (bmpdata.Stride / 4);
framebuf[adr + (z * 128)] = cvalue;
}
}
}
}
}
PatternView.pattern.UnlockBits(bmpdata);
PatternView.Refresh();
}
PatternView.pattern.UnlockBits(bmpdata);
PatternView.Refresh();
System.Drawing.Imaging.BitmapData bmpdata2 = SpriteView.sprites.LockBits(new Rectangle(new Point(0, 0), SpriteView.sprites.Size), System.Drawing.Imaging.ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
int* framebuf2 = (int*)bmpdata2.Scan0.ToPointer();
@ -131,6 +163,7 @@ namespace BizHawk.MultiClient
int pt_add = Nes.ppu.reg_2000.obj_pattern_hi ? 0x1000 : 0;
bool is8x16 = Nes.ppu.reg_2000.obj_size_16;
//Sprite Viewer
for (int n = 0; n < 4; n++)
{