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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.
This commit is contained in:
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);
}

2
OpenRA.Mods.Common/Widgets/HueSliderWidget.cs
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@@ -28,7 +28,7 @@ namespace OpenRA.Mods.Common.Widgets
using (var hueBitmap = new Bitmap(256, 256))
{
var hueSheet = new Sheet(new Size(256, 256), false);
var hueSheet = new Sheet(new Size(256, 256));
hueSprite = new Sprite(hueSheet, new Rectangle(0, 0, 256, 1), TextureChannel.Alpha);
var bitmapData = hueBitmap.LockBits(hueBitmap.Bounds(),

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);
}
}