private CTextureSurface(ICDevice device, ResourceDimension dimension, Texture2DDescription description, SubresourceData[] initialData, Action<CTextureSurface> onRelease)
: base(device, dimension, description, t => onRelease((CTextureSurface)t))
{
CreateNative();
if (initialData != null)
throw new NotSupportedException("Initial newData is not supported for render target and depth-stencil resources by D3D9 implementation of Beholder");
}
protected CTexture(ICDevice device, ResourceDimension dimension, Texture2DDescription description, Action<CTexture> onDispose)
{
this.device = device;
this.dimension = dimension;
this.desc = description;
this.onDispose = onDispose;
if (desc.BindFlags.HasFlag(BindFlags.RenderTarget))
rtvs = new List<CRenderTargetView>();
if (desc.BindFlags.HasFlag(BindFlags.DepthStencil))
dsvs = new List<CDepthStencilView>();
if (desc.BindFlags.HasFlag(BindFlags.ShaderResource))
srvs = new List<CShaderResourceView>();
}
public SwapChainSurfaces(ICDevice device, int width, int height, ref SwapChainDescription implicitSwapChainDescription)
{
this.device = device;
var glContext = device.GetCurrentContext();
texture2DDescription = new Texture2DDescription
{
ArraySize = 1,
ExtraFlags = ExtraFlags.None,
Usage = Usage.Default,
MipLevels = 1,
MiscFlags = MiscFlags.None
};
OnReset(glContext, width, height, ref implicitSwapChainDescription);
}
void ITexture2D.GetDescription(out Texture2DDescription texture2DDesc)
{
texture2DDesc = desc;
}
public unsafe ITexture2D Load(string fileName)
{
ITexture2D result;
var bitmap = new Bitmap(fileName);
var data = new byte[bitmap.Width * bitmap.Height * 4 * 2];
var mipPointers = new IntPtr[GetMipCount(bitmap.Width, bitmap.Height)];
fixed (byte* pData = data)
{
mipPointers[0] = (IntPtr)pData;
var bitmapData = bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
{
var dst = pData;
var src = (byte*)bitmapData.Scan0;
if (bgra)
{
for (int y = 0; y < bitmap.Height; y++)
{
for (int x = 0; x < bitmap.Width; x++)
{
dst[0] = src[0];
dst[1] = src[1];
dst[2] = src[2];
dst[3] = 255;
src += 3;
dst += 4;
}
}
}
else
{
for (int y = 0; y < bitmap.Height; y++)
{
for (int x = 0; x < bitmap.Width; x++)
{
dst[0] = src[2];
dst[1] = src[1];
dst[2] = src[0];
dst[3] = 255;
src += 3;
dst += 4;
}
}
}
int mipWidth = bitmap.Width;
int mipHeight = bitmap.Height;
for (int level = 1; level < mipPointers.Length; level++)
{
mipPointers[level] = (IntPtr)dst;
src = (byte*)mipPointers[level - 1];
int srcRowSpan = mipWidth * 4;
mipWidth = Math.Max(mipWidth / 2, 1);
mipHeight = Math.Max(mipHeight / 2, 1);
for (int y = 0; y < mipHeight; y++)
{
for (int x = 0; x < mipWidth; x++)
{
for (int i = 0; i < 3; i++)
{
float tl = SrgbToLinear(src[i] / 255f);
float tr = SrgbToLinear(src[i + 4] / 255f);
float bl = SrgbToLinear(src[i + srcRowSpan] / 255f);
float br = SrgbToLinear(src[i + 4 + srcRowSpan] / 255f);
dst[i] = (byte)(LinearToSrgb((tl + tr + bl + br) / 4f) * 255.9999f);
}
dst[3] = 255;
src += 8;
dst += 4;
}
src += srcRowSpan;
}
}
}
bitmap.UnlockBits(bitmapData);
var desc = new Texture2DDescription
{
Width = bitmap.Width,
Height = bitmap.Height,
ArraySize = 1,
MipLevels = mipPointers.Length,
FormatID = formatId,
Sampling = Sampling.NoMultisampling,
BindFlags = BindFlags.ShaderResource,
Usage = Usage.Immutable
};
result = device.Create.Texture2D(desc, mipPointers.Select(x => new SubresourceData(x, 1)).ToArray());
}
return result;
}
public CTextureSurface(ICDevice device, Texture2DDescription description, SubresourceData[] initialData, Action<CTextureSurface> onRelease)
: this(device, ResourceDimension.Texture2D, description, initialData, onRelease)
{
}