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add SetTextureData to ResourceUploader

what_if_no_video_threads
cosmonaut 2024-02-23 14:53:35 -08:00
parent fe31e23ccc
commit 22bcd2e471
1 changed files with 26 additions and 10 deletions
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36
src/Graphics/ResourceUploader.cs
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@ -51,7 +51,7 @@ namespace MoonWorks.Graphics
/// <summary>
/// Creates a 2D Texture from compressed image data to be uploaded.
/// </summary>
public Texture CreateTexture2D(Span<byte> compressedImageData)
public Texture CreateTexture2DFromCompressed(Span<byte> compressedImageData)
{
ImageUtils.ImageInfoFromBytes(compressedImageData, out var width, out var height, out var _);
var texture = Texture.CreateTexture2D(Device, width, height, TextureFormat.R8G8B8A8, TextureUsageFlags.Sampler);
@ -62,14 +62,14 @@ namespace MoonWorks.Graphics
/// <summary>
/// Creates a 2D Texture from a compressed image stream to be uploaded.
/// </summary>
public Texture CreateTexture2D(Stream compressedImageStream)
public Texture CreateTexture2DFromCompressed(Stream compressedImageStream)
{
var length = compressedImageStream.Length;
var buffer = NativeMemory.Alloc((nuint) length);
var span = new Span<byte>(buffer, (int) length);
compressedImageStream.ReadExactly(span);
var texture = CreateTexture2D(span);
var texture = CreateTexture2DFromCompressed(span);
NativeMemory.Free(buffer);
@ -79,10 +79,10 @@ namespace MoonWorks.Graphics
/// <summary>
/// Creates a 2D Texture from a compressed image file to be uploaded.
/// </summary>
public Texture CreateTexture2D(string compressedImageFilePath)
public Texture CreateTexture2DFromCompressed(string compressedImageFilePath)
{
var fileStream = new FileStream(compressedImageFilePath, FileMode.Open, FileAccess.Read);
return CreateTexture2D(fileStream);
return CreateTexture2DFromCompressed(fileStream);
}
/// <summary>
@ -132,8 +132,7 @@ namespace MoonWorks.Graphics
Depth = 1
};
var resourceOffset = CopyDataAligned(byteBuffer, (uint) levelSize, Texture.TexelSize(format));
TextureUploads.Add((textureSlice, resourceOffset));
SetTextureData(textureSlice, byteSpan);
NativeMemory.Free(byteBuffer);
}
@ -154,11 +153,11 @@ namespace MoonWorks.Graphics
public void SetTextureDataFromCompressed(TextureSlice textureSlice, Span<byte> compressedImageData)
{
var pixelData = ImageUtils.GetPixelDataFromBytes(compressedImageData, out var _, out var _, out var sizeInBytes);
var pixelSpan = new Span<byte>((void*) pixelData, (int) sizeInBytes);
SetTextureData(textureSlice, pixelSpan);
var resourceOffset = CopyDataAligned((void*) pixelData, sizeInBytes, Texture.TexelSize(textureSlice.Texture.Format));
ImageUtils.FreePixelData(pixelData);
TextureUploads.Add((textureSlice, resourceOffset));
}
public void SetTextureDataFromCompressed(TextureSlice textureSlice, Stream compressedImageStream)
@ -177,6 +176,23 @@ namespace MoonWorks.Graphics
SetTextureDataFromCompressed(textureSlice, fileStream);
}
/// <summary>
/// Prepares upload of pixel data into a TextureSlice.
/// </summary>
public void SetTextureData<T>(TextureSlice textureSlice, Span<T> data) where T : unmanaged
{
var elementSize = Marshal.SizeOf<T>();
var dataLengthInBytes = (uint) (elementSize * data.Length);
uint resourceOffset;
fixed (T* dataPtr = data)
{
resourceOffset = CopyDataAligned(dataPtr, dataLengthInBytes, Texture.TexelSize(textureSlice.Texture.Format));
}
TextureUploads.Add((textureSlice, resourceOffset));
}
/// <summary>
/// Uploads all the data corresponding to the created resources.
/// </summary>