private void OnPostRender(GPUContext context, RenderContext renderContext)
{
if (renderContext.View.Mode != ViewMode.Default)
{
var task = renderContext.Task;
// Render editor primitives, gizmo and debug shapes in debug view modes
// Note: can use Output buffer as both input and output because EditorPrimitives is using a intermediate buffers
if (EditorPrimitives && EditorPrimitives.CanRender)
{
EditorPrimitives.Render(context, ref renderContext, task.Output, task.Output);
}
// Render editor sprites
if (_spritesRenderer && _spritesRenderer.CanRender)
{
_spritesRenderer.Render(context, ref renderContext, task.Output, task.Output);
}
// Render selection outline
if (SelectionOutline && SelectionOutline.CanRender)
{
// Use temporary intermediate buffer
var desc = task.Output.Description;
var temp = RenderTargetPool.Get(ref desc);
SelectionOutline.Render(context, ref renderContext, task.Output, temp);
// Copy the results back to the output
context.CopyTexture(task.Output, 0, 0, 0, 0, temp, 0);
RenderTargetPool.Release(temp);
}
}
}
private void OnPostRender(GPUContext context, RenderContext renderContext)
{
if (renderContext.View.Mode != ViewMode.Default)
{
var task = renderContext.Task;
// Render editor sprites
if (_spritesRenderer && _spritesRenderer.CanRender)
{
_spritesRenderer.Render(context, ref renderContext, task.Output, task.Output);
}
// Render selection outline
if (SelectionOutline && SelectionOutline.CanRender)
{
// Use temporary intermediate buffer
var desc = task.Output.Description;
var temp = RenderTargetPool.Get(ref desc);
SelectionOutline.Render(context, ref renderContext, task.Output, temp);
// Copy the results back to the output
context.CopyTexture(task.Output, 0, 0, 0, 0, temp, 0);
RenderTargetPool.Release(temp);
}
}
}
public override void RenderFrame(GPUContext context, ref StagingTexture frame, RenderOptions options, GPUTexture output)
{
// Copy texture back to the staging texture
context.CopyTexture(frame.Texture, 0, 0, 0, 0, output, 0);
}
private void OnEnd(RenderTask task, GPUContext context)
{
// Pick the atlas or create a new one
int atlasIndex = -1;
for (int i = 0; i < _atlases.Count; i++)
{
if (!_atlases[i].IsFull)
{
atlasIndex = i;
break;
}
}
if (atlasIndex == -1)
{
// Setup configuration
var atlasSize = 1024;
var atlasFormat = PixelFormat.R8G8B8A8_UNorm;
var width = (float)Width;
var height = (float)Height;
var countX = Mathf.FloorToInt(atlasSize / width);
var countY = Mathf.FloorToInt(atlasSize / height);
var count = countX * countY;
// Create sprite atlas texture
var spriteAtlas = FlaxEngine.Content.CreateVirtualAsset <SpriteAtlas>();
var data = new byte[atlasSize * atlasSize * PixelFormatExtensions.SizeInBytes(atlasFormat)];
var initData = new TextureBase.InitData
{
Width = atlasSize,
Height = atlasSize,
ArraySize = 1,
Format = atlasFormat,
Mips = new[]
{
new TextureBase.InitData.MipData
{
Data = data,
RowPitch = data.Length / atlasSize,
SlicePitch = data.Length
},
},
};
spriteAtlas.Init(ref initData);
// Setup sprite atlas slots (each per thumbnail)
var thumbnailSizeUV = new Vector2(width / atlasSize, height / atlasSize);
for (int i = 0; i < count; i++)
{
var x = i % countX;
var y = i / countX;
var s = new Sprite
{
Name = string.Empty,
Area = new Rectangle(new Vector2(x, y) * thumbnailSizeUV, thumbnailSizeUV),
};
spriteAtlas.AddSprite(s);
}
// Add atlas to the cached ones
atlasIndex = _atlases.Count;
_atlases.Add(new Atlas
{
Texture = spriteAtlas,
SlotsUsage = new BitArray(count, false),
Count = 0,
});
}
// Skip ending if the atlas is not loaded yet (streaming backend uploads texture to GPU or sth)
var atlas = _atlases[atlasIndex];
if (atlas.Texture.ResidentMipLevels == 0)
{
return;
}
// Pick the sprite slot from the atlas
var spriteIndex = -1;
for (int i = 0; i < atlas.SlotsUsage.Count; i++)
{
if (atlas.SlotsUsage[i] == false)
{
atlas.SlotsUsage[i] = true;
spriteIndex = i;
break;
}
}
if (spriteIndex == -1)
{
throw new FlaxException();
}
atlas.Count++;
_atlases[atlasIndex] = atlas;
var sprite = new SpriteHandle(atlas.Texture, spriteIndex);
// Copy output frame to the sprite atlas slot
var spriteLocation = sprite.Location;
context.CopyTexture(atlas.Texture.Texture, 0, (uint)spriteLocation.X, (uint)spriteLocation.Y, 0, _output, 0);
// Link sprite to the UI
var req = _queue[0];
req.Media.OnThumbnailRenderingEnd((SceneRenderTask)task, context, ref req, ref sprite);
// End
_queue.RemoveAt(0);
task.Enabled = false;
}
