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Start of async asset loading

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- Refactored content manager and asset loaders
- Asset placeholder
- Error asset
This commit is contained in:
Simon Lübeß
2023-03-18 18:59:30 +01:00
parent 7b6662cbc4
commit 50714976e9
11 changed files with 329 additions and 321 deletions
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GlitchyEditor/src/Assets/TextureAssetLoader.bf
+88 -69
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@@ -243,65 +243,19 @@ class EditorTextureAssetLoader : IAssetLoader//, IReloadingAssetLoader
case .PNG:
texture = LoadPng(data, config);
case .Unknown:
Runtime.FatalError("Unknown image format.");
Log.EngineLogger.Error("Unknown texture format.");
texture = null;
}
Log.EngineLogger.AssertDebug(texture != null);
SetSampler(texture, config);
if (texture != null)
{
SetSampler(texture, config);
texture.[Friend]Complete = true;
}
return texture;
}
public void ReloadAsset(AssetFile assetFile, Stream data)
{
Texture reloadingTexture = assetFile.LoadedAsset as Texture;
if (reloadingTexture == null)
{
Log.EngineLogger.Error($"{nameof(Self)}: Requested reload of \"{assetFile.FilePath}\" but it's not a Texture!");
return;
}
EditorTextureAssetLoaderConfig config = assetFile.AssetConfig.Config as EditorTextureAssetLoaderConfig;
if (config == null)
{
Log.EngineLogger.Error($"{nameof(Self)}: Config of asset \"{assetFile.FilePath}\" doesn't have the correct type!");
return;
}
switch(GetTextureType(data))
{
case .DDS:
ReloadDds(reloadingTexture as Texture2D, data, config);
case .PNG:
ReloadPng(reloadingTexture as Texture2D, data, config);
case .Unknown:
Runtime.FatalError("Unknown image format.");
}
SetSampler(reloadingTexture, config);
}
private static void SetSampler(Texture texture, EditorTextureAssetLoaderConfig config)
{
using (SamplerState samplerState = SamplerStateManager.GetSampler(config.SamplerStateDescription))
{
texture.SamplerState = samplerState;
}
}
private static void ReloadPng(Texture2D reloadingTexture, Stream data, EditorTextureAssetLoaderConfig config)
{
Debug.Profiler.ProfileResourceFunction!();
using (Texture2D newTexture = LoadPng(data, config))
{
reloadingTexture.[Friend]SneakySwappyTexture(newTexture);
}
}
private static Texture2D LoadPng(Stream data, EditorTextureAssetLoaderConfig config)
{
Debug.Profiler.ProfileResourceFunction!();
@@ -313,40 +267,105 @@ class EditorTextureAssetLoader : IAssetLoader//, IReloadingAssetLoader
if (result case .Err(let err))
{
Log.EngineLogger.Error($"Failed to read data from stream. Texture: Error: {err}");
return null;
}
uint8* rawData = null;
defer
{
if (rawData != null)
LodePng.LodePng.Free(rawData);
}
uint8* rawData = ?;
uint32 width = 0, height = 0;
uint32 errorCode = LodePng.LodePng.Decode32(&rawData, &width, &height, pngData.Ptr, (.)pngData.Count);
{
Debug.Profiler.ProfileResourceScope!("LodePng.LodePng.Decode32");
uint32 errorCode = LodePng.LodePng.Decode32(&rawData, &width, &height, pngData.Ptr, (.)pngData.Count);
if (errorCode != 0)
{
Log.EngineLogger.Error($"Failed to decode PNG file {errorCode}.");
return null;
}
}
Log.EngineLogger.Assert(errorCode == 0, "Failed to load png File");
// TODO: load as SRGB because PNGs are usually not stored as linear
//Texture2DDesc desc = .(width, height, srgb? .R8G8B8A8_UNorm_SRGB : .R8G8B8A8_UNorm, 1, 1, .Immutable);
Texture2DDesc desc = .(width, height, config.IsSRGB ? .R8G8B8A8_UNorm_SRGB : .R8G8B8A8_UNorm, 1, 1, .Immutable);
Texture2D texture = new Texture2D(desc);
texture.SetData<Color>((.)rawData);
// TODO: Generate mip maps
LodePng.LodePng.Free(rawData);
return texture;
}
private static void ReloadDds(Texture2D reloadingTexture, Stream data, EditorTextureAssetLoaderConfig config)
{
using (Texture2D newTexture = new [Friend]Texture2D(data))
{
reloadingTexture.[Friend]SneakySwappyTexture(newTexture);
}
}
private static Texture LoadDds(Stream data, EditorTextureAssetLoaderConfig config)
{
// TODO: Move the loading of Dds files here.
Texture2D texture = new [Friend]Texture2D(data);
return texture;
}
private static void SetSampler(Texture texture, EditorTextureAssetLoaderConfig config)
{
using (SamplerState samplerState = SamplerStateManager.GetSampler(config.SamplerStateDescription))
{
texture.SamplerState = samplerState;
}
}
private static Texture2D _placeholder2D;
private static Texture2D _error2D;
public Asset GetPlaceholderAsset(Type assetType)
{
switch (assetType)
{
case typeof(Texture2D):
fallthrough;
default:
if (_placeholder2D == null)
{
Texture2DDesc desc = .(1, 1, .R8G8B8A8_UNorm, 1, 1, .Immutable, .None);
_placeholder2D = new Texture2D(desc);
_placeholder2D.SamplerState = SamplerStateManager.PointWrap;
Color color = Color.Cyan;
_placeholder2D.SetData<Color>(&color);
Content.ManageAsset(_placeholder2D);
_placeholder2D.ReleaseRef();
_placeholder2D.[Friend]Complete = false;
}
return _placeholder2D;
}
}
public Asset GetErrorAsset(Type assetType)
{
switch (assetType)
{
case typeof(Texture2D):
fallthrough;
default:
if (_error2D == null)
{
Texture2DDesc desc = .(2, 2, .R8G8B8A8_UNorm, 1, 1, .Immutable, .None);
_error2D = new Texture2D(desc);
_error2D.SamplerState = SamplerStateManager.PointWrap;
Color[4] color = .(Color.HotPink, Color.Black, Color.Black, Color.HotPink);
_error2D.SetData<Color>(&color);
Content.ManageAsset(_error2D);
_error2D.ReleaseRef();
_placeholder2D.[Friend]Complete = true;
}
return _error2D;
}
}
}