public override Result Unload()
{
if (!Loaded)
{
return(Result.NotLoaded);
}
GL.DeleteTexture(texture);
texture = -1;
if (SrcBitmap != null && flipY)
{
SrcBitmap.RotateFlip(RotateFlipType.RotateNoneFlipY);
}
Loaded = false;
return(Result.Success);
}
public override Result Unload()
{
if (!Loaded)
{
return(Result.NotLoaded);
}
GL.DeleteTexture(texture);
texture = -1;
if (SrcBitmap != null)
{
if (flipY)
{
SrcBitmap.RotateFlip(RotateFlipType.RotateNoneFlipY);
}
}
else if (SrcBitmapNegX != null && SrcBitmapNegY != null && SrcBitmapNegZ != null && SrcBitmapPosX != null && SrcBitmapPosY != null && SrcBitmapPosZ != null)
{
var bitmaps = new Bitmap[]
{
SrcBitmapNegX,
SrcBitmapNegY,
SrcBitmapNegZ,
SrcBitmapPosX,
SrcBitmapPosY,
SrcBitmapPosZ,
};
for (var i = 0; i < bitmaps.Length; i++)
{
if (flipY)
{
bitmaps[i].RotateFlip(RotateFlipType.RotateNoneFlipY);
}
}
}
Loaded = false;
return(Result.Success);
}
public override Result Load()
{
Unload();
texture = GL.GenTexture();
GL.BindTexture(Target, texture);
GL.TexParameter(Target, TextureParameterName.TextureMinFilter, (int)MinFilter);
GL.TexParameter(Target, TextureParameterName.TextureMagFilter, (int)MagFilter);
GL.TexParameter(Target, TextureParameterName.TextureWrapR, (int)WrapMode);
GL.TexParameter(Target, TextureParameterName.TextureWrapS, (int)WrapMode);
GL.TexParameter(Target, TextureParameterName.TextureWrapT, (int)WrapMode);
GL.TexParameter(Target, TextureParameterName.TextureMaxLod, 9);
GL.TexParameter(Target, TextureParameterName.TextureMaxLevel, 9);
GL.TexParameter(Target, TextureParameterName.TextureMinLod, 0);
var target = new TextureTarget[]
{
TextureTarget.TextureCubeMapNegativeX,
TextureTarget.TextureCubeMapNegativeY,
TextureTarget.TextureCubeMapNegativeZ,
TextureTarget.TextureCubeMapPositiveX,
TextureTarget.TextureCubeMapPositiveY,
TextureTarget.TextureCubeMapPositiveZ,
};
// 1面キューブマップ
if (SrcBitmap != null)
{
var sx = SrcBitmap.Width / 4;
var sy = SrcBitmap.Height / 3;
var rects = new Rectangle[]
{
new Rectangle(0, sy, sx, sy), // neg x
new Rectangle(sx, sy * 2, sx, sy), // neg y
new Rectangle(sx * 3, sy, sx, sy), // neg z
new Rectangle(sx * 2, sy, sx, sy), // pos x
new Rectangle(sx, 0, sx, sy), // pos y
new Rectangle(sx, sy, sx, sy), // pos z
};
if (flipY)
{
SrcBitmap.RotateFlip(RotateFlipType.RotateNoneFlipY);
}
for (var i = 0; i < target.Length; i++)
{
var data = SrcBitmap.LockBits(
rects[i],
System.Drawing.Imaging.ImageLockMode.ReadOnly,
System.Drawing.Imaging.PixelFormat.Format32bppArgb
);
GL.TexImage2D(
target[i],
0,
Format,
sx,
sy,
0,
PixelFormat.Bgra,
PixelType.UnsignedByte,
data.Scan0);
if (UseMipmap)
{
GL.GenerateMipmap(GenerateMipmapTarget.TextureCubeMap);
}
SrcBitmap.UnlockBits(data);
}
}
else if (SrcBitmapNegX != null && SrcBitmapNegY != null && SrcBitmapNegZ != null && SrcBitmapPosX != null && SrcBitmapPosY != null && SrcBitmapPosZ != null)
{
var bitmaps = new Bitmap[]
{
SrcBitmapNegX,
SrcBitmapNegY,
SrcBitmapNegZ,
SrcBitmapPosX,
SrcBitmapPosY,
SrcBitmapPosZ,
};
for (var i = 0; i < target.Length; i++)
{
if (flipY)
{
bitmaps[i].RotateFlip(RotateFlipType.RotateNoneFlipY);
}
var data = bitmaps[i].LockBits(
new Rectangle(0, 0, bitmaps[i].Width, bitmaps[i].Height),
System.Drawing.Imaging.ImageLockMode.ReadOnly,
System.Drawing.Imaging.PixelFormat.Format32bppArgb
);
GL.TexImage2D(
target[i],
0,
Format,
bitmaps[i].Width,
bitmaps[i].Height,
0,
PixelFormat.Bgra,
PixelType.UnsignedByte,
data.Scan0);
if (UseMipmap)
{
GL.GenerateMipmap(GenerateMipmapTarget.TextureCubeMap);
}
bitmaps[i].UnlockBits(data);
}
}
else
{
GL.BindTexture(Target, 0);
GL.DeleteTexture(texture);
texture = -1;
return(Result.ObjectIsNull);
}
GL.BindTexture(Target, 0);
Loaded = true;
return(Result.Success);
}
