public Texture2DAtlas(int width, int height, GraphicsFormat format, FilterMode filterMode = FilterMode.Point, bool powerOfTwoPadding = false, string name = "", bool useMipMap = true)
{
m_Width = width;
m_Height = height;
m_Format = format;
m_UseMipMaps = useMipMap;
m_AtlasTexture = RTHandles.Alloc(
width: m_Width,
height: m_Height,
filterMode: filterMode,
colorFormat: m_Format,
wrapMode: TextureWrapMode.Clamp,
useMipMap: useMipMap,
autoGenerateMips: false,
name: name
);
m_IsAtlasTextureOwner = true;
// We clear on create to avoid garbage data to be present in the atlas
int mipCount = useMipMap ? GetTextureMipmapCount(m_Width, m_Height) : 1;
for (int mipIdx = 0; mipIdx < mipCount; ++mipIdx)
{
Graphics.SetRenderTarget(m_AtlasTexture, mipIdx);
GL.Clear(false, true, Color.clear);
}
m_AtlasAllocator = new AtlasAllocator(width, height, powerOfTwoPadding);
}
public Texture2DAtlas(int width, int height, GraphicsFormat format)
{
m_Width = width;
m_Height = height;
m_Format = format;
m_AtlasTexture = RTHandles.Alloc(m_Width,
m_Height,
1,
DepthBits.None,
m_Format,
FilterMode.Point,
TextureWrapMode.Clamp,
TextureDimension.Tex2D,
false,
true,
false,
false,
1,
0,
MSAASamples.None,
false,
false);
m_AtlasAllocator = new AtlasAllocator(width, height);
}
public Texture2DAtlas(int width, int height, GraphicsFormat format, FilterMode filterMode = FilterMode.Point, bool powerOfTwoPadding = false, string name = "", bool useMipMap = true)
{
m_Width = width;
m_Height = height;
m_Format = format;
m_UseMipMaps = useMipMap;
m_AtlasTexture = RTHandles.Alloc(
width: m_Width,
height: m_Height,
filterMode: filterMode,
colorFormat: m_Format,
wrapMode: TextureWrapMode.Clamp,
useMipMap: useMipMap,
autoGenerateMips: false,
name: name
);
m_AtlasAllocator = new AtlasAllocator(width, height, powerOfTwoPadding);
}