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gba gpu view: support more bg types and flags

This commit is contained in:
goyuken 2012-11-27 19:59:14 +00:00
parent 965c6d8700
commit 91f3e27e84
1 changed files with 142 additions and 25 deletions
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167
BizHawk.MultiClient/GBAtools/GBAGPUView.cs
View File

@ -65,6 +65,41 @@ namespace BizHawk.MultiClient.GBAtools
#region drawing primitives #region drawing primitives
unsafe void DrawTile256(int* dest, int pitch, byte* tile, ushort* palette, bool hflip, bool vflip)
{
if (vflip)
{
dest += pitch * 7;
pitch = -pitch;
}
if (hflip)
{
dest += 7;
for (int y = 0; y < 8; y++)
{
for (int x = 0; x < 8; x++)
{
*dest-- = ColorConversion[palette[*tile++]];
}
dest += 8;
dest += pitch;
}
}
else
{
for (int y = 0; y < 8; y++)
{
for (int x = 0; x < 8; x++)
{
*dest++ = ColorConversion[palette[*tile++]];
}
dest -= 8;
dest += pitch;
}
}
}
unsafe void DrawTile16(int* dest, int pitch, byte* tile, ushort *palette, bool hflip, bool vflip) unsafe void DrawTile16(int* dest, int pitch, byte* tile, ushort *palette, bool hflip, bool vflip)
{ {
if (vflip) if (vflip)
@ -72,16 +107,34 @@ namespace BizHawk.MultiClient.GBAtools
dest += pitch * 7; dest += pitch * 7;
pitch = -pitch; pitch = -pitch;
} }
for (int y = 0; y < 8; y++) if (hflip)
{ {
for (int i = 0; i < 4; i++) dest += 7;
for (int y = 0; y < 8; y++)
{ {
*dest++ = ColorConversion[palette[*tile & 15]]; for (int i = 0; i < 4; i++)
*dest++ = ColorConversion[palette[*tile >> 4]]; {
tile++; *dest-- = ColorConversion[palette[*tile & 15]];
*dest-- = ColorConversion[palette[*tile >> 4]];
tile++;
}
dest += 8;
dest += pitch;
}
}
else
{
for (int y = 0; y < 8; y++)
{
for (int i = 0; i < 4; i++)
{
*dest++ = ColorConversion[palette[*tile & 15]];
*dest++ = ColorConversion[palette[*tile >> 4]];
tile++;
}
dest -= 8;
dest += pitch;
} }
dest -= 8;
dest += pitch;
} }
} }
@ -100,10 +153,25 @@ namespace BizHawk.MultiClient.GBAtools
} }
} }
unsafe void DrawTextNameTable256(int* dest, int pitch, ushort* nametable, byte* tiles)
{
for (int ty = 0; ty < 32; ty++)
{
for (int tx = 0; tx < 32; tx++)
{
ushort ntent = *nametable++;
DrawTile256(dest, pitch, tiles + (ntent & 1023) * 64, (ushort*)palram, ntent.Bit(10), ntent.Bit(11));
dest += 8;
}
dest -= 256;
dest += 8 * pitch;
}
}
unsafe void DrawTextNameTable(int* dest, int pitch, ushort* nametable, byte* tiles, bool eightbit) unsafe void DrawTextNameTable(int* dest, int pitch, ushort* nametable, byte* tiles, bool eightbit)
{ {
if (eightbit) if (eightbit)
; DrawTextNameTable256(dest, pitch, nametable, tiles);
else else
DrawTextNameTable16(dest, pitch, nametable, tiles); DrawTextNameTable16(dest, pitch, nametable, tiles);
} }
@ -167,9 +235,75 @@ namespace BizHawk.MultiClient.GBAtools
mbv.bmpView.Refresh(); mbv.bmpView.Refresh();
} }
unsafe void DrawAffineBG(int n, MobileBmpView mbv)
{
ushort bgcnt = ((ushort*)mmio)[4 + n];
int ssize = bgcnt >> 14;
switch (ssize)
{
case 0: mbv.ChangeAllSizes(128, 128); break;
case 1: mbv.ChangeAllSizes(256, 256); break;
case 2: mbv.ChangeAllSizes(512, 512); break;
case 3: mbv.ChangeAllSizes(1024, 1024); break;
}
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* tiles = (byte*)vram + ((bgcnt & 0xc) << 12);
byte* nametable = (byte*)vram + ((bgcnt & 0x1f00) << 3);
for (int ty = 0; ty < bmp.Height / 8; ty++)
{
for (int tx = 0; tx < bmp.Width / 8; tx++)
{
DrawTile256(pixels, pitch, tiles + *nametable++ * 64, (ushort*)palram, false, false);
pixels += 8;
}
pixels -= bmp.Width;
pixels += 8 * pitch;
}
bmp.UnlockBits(lockdata);
mbv.bmpView.Refresh();
}
#endregion #endregion
unsafe void DrawEverything()
{
ushort dispcnt = ((ushort*)mmio)[0];
int bgmode = dispcnt & 7;
switch (bgmode)
{
case 0:
if (bg0.ShouldDraw) DrawTextBG(0, bg0);
if (bg1.ShouldDraw) DrawTextBG(1, bg1);
if (bg2.ShouldDraw) DrawTextBG(2, bg2);
if (bg3.ShouldDraw) DrawTextBG(3, bg3);
break;
case 1:
if (bg0.ShouldDraw) DrawTextBG(0, bg0);
if (bg1.ShouldDraw) DrawTextBG(1, bg1);
if (bg2.ShouldDraw) DrawAffineBG(2, bg2);
if (bg3.ShouldDraw) bg3.bmpView.Clear();
break;
case 2:
if (bg0.ShouldDraw) bg0.bmpView.Clear();
if (bg1.ShouldDraw) bg1.bmpView.Clear();
if (bg2.ShouldDraw) DrawAffineBG(2, bg2);
if (bg3.ShouldDraw) DrawAffineBG(3, bg3);
break;
}
}
MobileBmpView MakeWidget(string text, int w, int h) MobileBmpView MakeWidget(string text, int w, int h)
{ {
var mbv = new MobileBmpView(); var mbv = new MobileBmpView();
@ -212,23 +346,6 @@ namespace BizHawk.MultiClient.GBAtools
} }
} }
unsafe void DrawEverything()
{
ushort dispcnt = ((ushort*)mmio)[0];
int bgmode = dispcnt & 7;
switch (bgmode)
{
case 0:
if (bg0.ShouldDraw) DrawTextBG(0, bg0);
if (bg1.ShouldDraw) DrawTextBG(1, bg1);
if (bg2.ShouldDraw) DrawTextBG(2, bg2);
if (bg3.ShouldDraw) DrawTextBG(3, bg3);
break;
}
}
/// <summary>belongs in ToolsBefore</summary> /// <summary>belongs in ToolsBefore</summary>
public void UpdateValues() public void UpdateValues()
{ {