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Lazily generate buffer in Sheet.

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The managed byte buffer is created on demand, meaning a newly allocated sheet will not waste memory holding onto the buffer until some changes are actually required to be written. This avoids a newly allocated sheet wasting memory on buffers that do not differ from their backing texture.
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RoosterDragon
2014-10-13 21:09:28 +01:00
committed by RoosterDragon
parent e6852e2b50
commit ff16690b86
7 changed files with 44 additions and 25 deletions
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8
OpenRA.Mods.Common/Widgets/RadarWidget.cs
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@@ -73,14 +73,14 @@ namespace OpenRA.Mods.Common.Widgets
{
var r = new Rectangle(0, 0, width, height);
var s = new Size(terrainBitmap.Width, terrainBitmap.Height);
var terrainSheet = new Sheet(s, false);
var terrainSheet = new Sheet(s);
terrainSheet.Texture.SetData(terrainBitmap);
terrainSprite = new Sprite(terrainSheet, r, TextureChannel.Alpha);
// Data is set in Tick()
customTerrainSprite = new Sprite(new Sheet(s, false), r, TextureChannel.Alpha);
actorSprite = new Sprite(new Sheet(s, false), r, TextureChannel.Alpha);
shroudSprite = new Sprite(new Sheet(s, false), r, TextureChannel.Alpha);
customTerrainSprite = new Sprite(new Sheet(s), r, TextureChannel.Alpha);
actorSprite = new Sprite(new Sheet(s), r, TextureChannel.Alpha);
shroudSprite = new Sprite(new Sheet(s), r, TextureChannel.Alpha);
}
}