public void Upload(GpuTexture Owner, IRenderEngine Engine)
{
Handle = Engine.Create_Texture(Data.Span, Owner.Size, Format);
if (!GpuTexture.PERSIST_IMAGE_DATA)
{
// Clear the pixel data from memory to minimize RAM usage
Data = null;
}
}
/// <summary>
/// Creates a new GPU texture by decoding the given image data
/// </summary>
public static async Task <GpuTexture> fromData(ReadOnlyMemory <byte> imgData)
{
#if ENABLE_HEADLESS
return(new GpuTexture(Rect2i.Zero));
#else
var image = Image.Load <Rgba32>(imgData.ToArray());
var Size = new Rect2i(image.Width, image.Height);
var Texture = new GpuTexture(Size);
if (image.Frames.Count > 1)
{
var frames = image.Frames;
int frameCount = frames.Count;
for (int f = 0; f < frameCount; f++)
{
var frame = frames[f];
// Get the delay for this frame from the gif
int delay = 0;
try
{
GifFrameMetaData meta = frame.MetaData.GetFormatMetaData(GifFormat.Instance);
delay = meta.FrameDelay;// Time is in 1/100th of a second
}
finally
{
Span <byte> rgbaBytes = MemoryMarshal.AsBytes(frame.GetPixelSpan()).ToArray();
var size = new Rect2i(frame.Width, frame.Height);
var duration = delay / 1000.0f;
Texture.Push_Frame(rgbaBytes, size, EPixelFormat.RGBA, duration);
}
}
}
else
{
Span <byte> rgbaBytes = MemoryMarshal.AsBytes(image.GetPixelSpan()).ToArray();
var size = new Rect2i(image.Width, image.Height);
Texture.Push_Frame(rgbaBytes, size, EPixelFormat.RGBA);
}
return(Texture);
#endif
}
/// <summary> /// Destroy a texture, ensuring it cannot be used again unless recreated. /// </summary> public abstract bool Destroy_Texture(GpuTexture texture);
/// <summary> /// Sets the current texture for whatever system is doing the rendering, be it DirectX, OpenGL, Vulkan, D3D, etc. /// </summary> public abstract void Set_Texture(GpuTexture tex);
