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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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2
OpenRA.Mods.Common/Widgets/ColorMixerWidget.cs
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@@ -51,7 +51,7 @@ namespace OpenRA.Mods.Common.Widgets
back = new byte[4*256*256];
var rect = new Rectangle((int)(255*SRange[0]), (int)(255*(1 - VRange[1])), (int)(255*(SRange[1] - SRange[0]))+1, (int)(255*(VRange[1] - VRange[0])) + 1);
var mixerSheet = new Sheet(new Size(256, 256), false);
var mixerSheet = new Sheet(new Size(256, 256));
mixerSheet.Texture.SetData(front, 256, 256);
mixerSprite = new Sprite(mixerSheet, rect, TextureChannel.Alpha);
}