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gba gpu view: implement remaining bg modes

This commit is contained in:
goyuken 2012-11-27 20:24:38 +00:00
parent ccc332f8e2
commit da00dfa99c
1 changed files with 88 additions and 1 deletions
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89
BizHawk.MultiClient/GBAtools/GBAGPUView.cs
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@ -271,6 +271,75 @@ namespace BizHawk.MultiClient.GBAtools
mbv.bmpView.Refresh();
}
unsafe void DrawM3BG(MobileBmpView mbv)
{
mbv.ChangeAllSizes(240, 160);
Bitmap bmp = mbv.bmpView.bmp;
var lockdata = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height), System.Drawing.Imaging.ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
int* pixels = (int*)lockdata.Scan0;
int pitch = lockdata.Stride / sizeof(int);
ushort *frame = (ushort*)vram;
for (int y = 0; y < 160; y++)
{
for (int x = 0; x < 240; x++)
*pixels++ = ColorConversion[*frame++];
pixels -= 240;
pixels += pitch;
}
bmp.UnlockBits(lockdata);
mbv.bmpView.Refresh();
}
unsafe void DrawM4BG(MobileBmpView mbv, bool secondframe)
{
mbv.ChangeAllSizes(240, 160);
Bitmap bmp = mbv.bmpView.bmp;
var lockdata = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height), System.Drawing.Imaging.ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
int* pixels = (int*)lockdata.Scan0;
int pitch = lockdata.Stride / sizeof(int);
byte* frame = (byte*)vram + (secondframe ? 40960 : 0);
ushort* palette = (ushort*)palram;
for (int y = 0; y < 160; y++)
{
for (int x = 0; x < 240; x++)
*pixels++ = ColorConversion[palette[*frame++]];
pixels -= 240;
pixels += pitch;
}
bmp.UnlockBits(lockdata);
mbv.bmpView.Refresh();
}
unsafe void DrawM5BG(MobileBmpView mbv, bool secondframe)
{
mbv.ChangeAllSizes(160, 128);
Bitmap bmp = mbv.bmpView.bmp;
var lockdata = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height), System.Drawing.Imaging.ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
int* pixels = (int*)lockdata.Scan0;
int pitch = lockdata.Stride / sizeof(int);
ushort* frame = (ushort*)vram + (secondframe ? 20480 : 0);
for (int y = 0; y < 128; y++)
{
for (int x = 0; x < 160; x++)
*pixels++ = ColorConversion[*frame++];
pixels -= 160;
pixels += pitch;
}
bmp.UnlockBits(lockdata);
mbv.bmpView.Refresh();
}
#endregion
@ -299,7 +368,25 @@ namespace BizHawk.MultiClient.GBAtools
if (bg2.ShouldDraw) DrawAffineBG(2, bg2);
if (bg3.ShouldDraw) DrawAffineBG(3, bg3);
break;
case 3:
if (bg0.ShouldDraw) bg0.bmpView.Clear();
if (bg1.ShouldDraw) bg1.bmpView.Clear();
if (bg2.ShouldDraw) DrawM3BG(bg2);
if (bg3.ShouldDraw) bg3.bmpView.Clear();
break;
//in modes 4, 5, bg3 is repurposed as bg2 invisible frame
case 4:
if (bg0.ShouldDraw) bg0.bmpView.Clear();
if (bg1.ShouldDraw) bg1.bmpView.Clear();
if (bg2.ShouldDraw) DrawM4BG(bg2, dispcnt.Bit(4));
if (bg3.ShouldDraw) DrawM4BG(bg3, !dispcnt.Bit(4));
break;
case 5:
if (bg0.ShouldDraw) bg0.bmpView.Clear();
if (bg1.ShouldDraw) bg1.bmpView.Clear();
if (bg2.ShouldDraw) DrawM5BG(bg2, dispcnt.Bit(4));
if (bg3.ShouldDraw) DrawM5BG(bg3, !dispcnt.Bit(4));
break;
}
}