public static PooledTexture2D BitmapToTexture2D(GraphicsDevice device, Image <Rgba32> image, out long byteSize)
{
var bmp = image; //.CloneAs<Rgba32>();
uint[] colorData;
if (bmp.TryGetSinglePixelSpan(out var pixelSpan))
{
colorData = pixelSpan.ToArray().Select(x => x.Rgba).ToArray();
}
else
{
throw new Exception("Could not get image data!");
}
// var colorData = pixels.ToArray().Select(x => x.Rgba).ToArray();
PooledTexture2D result = null;
if (Thread.CurrentThread != RenderThread)
{
AutoResetEvent resetEvent = new AutoResetEvent(false);
QueueOnRenderThread(
() =>
{
result = GpuResourceManager.GetTexture2D("Image converter", device, image.Width, image.Height);
result.SetData(colorData);
resetEvent.Set();
});
resetEvent.WaitOne();
}
else
{
result = GpuResourceManager.GetTexture2D("Image converter", device, image.Width, image.Height);
result.SetData(colorData);
}
byteSize = result.MemoryUsage;
return(result);
/*for (int x = 0; x < bmp.Width; x++)
* {
* for (int y = 0; y < bmp.Height; y++)
* {
*
* }
* }
* using (MemoryStream ms = new MemoryStream())
* {
* bmp.SaveAsPng(ms);
*
* ms.Position = 0;
* byteSize = ms.Length;
* return GpuResourceManager.GetTexture2D("Alex.Api.Utils.TextureUtils.ImageToTexture2D", device, ms);
* }*/
}
private PooledTexture2D GetMipMappedTexture2D(GraphicsDevice device, Image <Rgba32> image)
{
//device.VertexSamplerStates.
PooledTexture2D texture = GpuResourceManager.GetTexture2D(this, device, image.Width, image.Height, true, SurfaceFormat.Color);
// Directory.CreateDirectory(name);
// var resampler = new BicubicResampler();
// var encoder = new PngEncoder();
for (int level = 0; level < Alex.MipMapLevel; level++)
{
int mipWidth = (int)System.Math.Max(1, image.Width >> level);
int mipHeight = (int)System.Math.Max(1, image.Height >> level);
var bmp = image.CloneAs <Rgba32>(); //.CloneAs<Rgba32>();
bmp.Mutate(x => x.Resize(mipWidth, mipHeight, KnownResamplers.NearestNeighbor, true));
uint[] colorData;
if (bmp.TryGetSinglePixelSpan(out var pixelSpan))
{
colorData = pixelSpan.ToArray().Select(x => x.Rgba).ToArray();
}
else
{
throw new Exception("Could not get image data!");
}
//TODO: Resample per texture instead of whole texture map.
texture.SetData(level, null, colorData, 0, colorData.Length);
}
return(texture);
}
public static PooledTexture2D BitmapToTexture2D(GraphicsDevice device, Image <Rgba32> image, out long byteSize)
{
var bmp = image;//.CloneAs<Rgba32>();
var pixels = bmp.GetPixelSpan();
var colorData = pixels.ToArray().Select(x => x.Rgba).ToArray();
PooledTexture2D texture = GpuResourceManager.GetTexture2D("Image converter", device, image.Width, image.Height);
texture.SetData(colorData);
byteSize = texture.MemoryUsage;
return(texture);
/*for (int x = 0; x < bmp.Width; x++)
* {
* for (int y = 0; y < bmp.Height; y++)
* {
*
* }
* }
* using (MemoryStream ms = new MemoryStream())
* {
* bmp.SaveAsPng(ms);
*
* ms.Position = 0;
* byteSize = ms.Length;
* return GpuResourceManager.GetTexture2D("Alex.Api.Utils.TextureUtils.ImageToTexture2D", device, ms);
* }*/
}
