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Support rendering at non-integer display scales:

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* 2x and 3x DPI artwork can be specified using
  Image2x and Image3x in chrome.yaml.
* Images are rendered using bilinear interpolation.
* For non-integer screen scales, prefer downscaling
  the next biggest resolution image over upscaling.
This commit is contained in:
Paul Chote
2019-12-25 18:49:47 +00:00
committed by abcdefg30
parent 809b1507a6
commit fd64ad7c89
15 changed files with 130 additions and 17 deletions
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36
OpenRA.Mods.Common/LoadScreens/SheetLoadScreen.cs
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@@ -20,6 +20,7 @@ namespace OpenRA.Mods.Common.LoadScreens
Stopwatch lastUpdate;
protected Dictionary<string, string> Info { get; private set; }
float dpiScale = 1;
Sheet sheet;
public override void Init(ModData modData, Dictionary<string, string> info)
@@ -40,9 +41,42 @@ namespace OpenRA.Mods.Common.LoadScreens
if (lastUpdate == null)
lastUpdate = Stopwatch.StartNew();
// Check for window DPI changes
// We can't trust notifications to be working during initialization, so must do this manually
var scale = Game.Renderer.WindowScale;
if (dpiScale != scale)
{
dpiScale = scale;
// Force images to be reloaded on the next display
if (sheet != null)
sheet.Dispose();
sheet = null;
}
if (sheet == null && Info.ContainsKey("Image"))
using (var stream = ModData.DefaultFileSystem.Open(Info["Image"]))
{
var key = "Image";
float sheetScale = 1;
if (dpiScale > 2 && Info.ContainsKey("Image3x"))
{
key = "Image3x";
sheetScale = 3;
}
else if (dpiScale > 1 && Info.ContainsKey("Image2x"))
{
key = "Image2x";
sheetScale = 2;
}
using (var stream = ModData.DefaultFileSystem.Open(Info[key]))
{
sheet = new Sheet(SheetType.BGRA, stream);
sheet.GetTexture().ScaleFilter = TextureScaleFilter.Linear;
sheet.DPIScale = sheetScale;
}
}
Game.Renderer.BeginUI();
DisplayInner(Game.Renderer, sheet);