public unsafe WithGammaRamp(GammaRamp ramp)
{
Ramp = ramp;
GammaTable = Ramp.GammaTable;
InvGammaTable = Ramp.InvGammaTable;
PAGray = _PAGray;
}
public DynamicAtlas(
RenderCoordinator coordinator, int width, int height, SurfaceFormat format,
int spacing = 2, MipGeneratorFn mipGenerator = null, object tag = null
)
{
Id = NextId++;
Coordinator = coordinator;
Width = width;
Height = height;
Format = format;
int temp;
BytesPerPixel = Evil.TextureUtils.GetBytesPerPixelAndComponents(Format, out temp);
Spacing = spacing;
X = Y = Spacing;
RowHeight = 0;
_BeforeIssue = Flush;
_BeforePrepare = QueueGenerateMips;
Tag = tag;
GenerateMip = mipGenerator;
EnsureValidResource();
Pixels = new T[width * height];
if (mipGenerator != null)
{
var totalMipSize = 4;
var currentMipSizePixels = (width / 2) * (height / 2);
while (currentMipSizePixels > 1)
{
totalMipSize += (currentMipSizePixels + 1);
currentMipSizePixels /= 2;
}
MipBuffer = new T[totalMipSize];
}
if (DebugColors)
{
var p = Pixels as Color[];
if (p != null)
{
var w = 4096 * 4;
for (int i = 0, l = p.Length; i < l; i++)
{
p[i] = (Color) new Color(i % 255, (Id * 64) % 255, (Id * 192) % 255, 255);
}
}
}
MipLevelCount = Texture.LevelCount;
Invalidate();
}
public static void Set(MipFormat format, MipGeneratorFn implementation)
{
Cache[(int)format] = implementation;
}
