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use premultiplied alpha on geometric renderers

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to fix transparency again
This commit is contained in:
Matthias Mailänder
2015-05-25 13:39:38 +02:00
parent c7dc3737b1
commit 96e2c9bb79
2 changed files with 5 additions and 0 deletions
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4
OpenRA.Game/Graphics/LineRenderer.cs
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@@ -83,6 +83,7 @@ namespace OpenRA.Graphics
if (nv + 2 > renderer.TempBufferSize) if (nv + 2 > renderer.TempBufferSize)
Flush(); Flush();
color = Util.PremultiplyAlpha(color);
var r = color.R / 255.0f; var r = color.R / 255.0f;
var g = color.G / 255.0f; var g = color.G / 255.0f;
var b = color.B / 255.0f; var b = color.B / 255.0f;
@@ -98,12 +99,14 @@ namespace OpenRA.Graphics
if (nv + 2 > renderer.TempBufferSize) if (nv + 2 > renderer.TempBufferSize)
Flush(); Flush();
startColor = Util.PremultiplyAlpha(startColor);
var r = startColor.R / 255.0f; var r = startColor.R / 255.0f;
var g = startColor.G / 255.0f; var g = startColor.G / 255.0f;
var b = startColor.B / 255.0f; var b = startColor.B / 255.0f;
var a = startColor.A / 255.0f; var a = startColor.A / 255.0f;
vertices[nv++] = new Vertex(start + Offset, r, g, b, a); vertices[nv++] = new Vertex(start + Offset, r, g, b, a);
endColor = Util.PremultiplyAlpha(endColor);
r = endColor.R / 255.0f; r = endColor.R / 255.0f;
g = endColor.G / 255.0f; g = endColor.G / 255.0f;
b = endColor.B / 255.0f; b = endColor.B / 255.0f;
@@ -115,6 +118,7 @@ namespace OpenRA.Graphics
{ {
renderer.CurrentBatchRenderer = this; renderer.CurrentBatchRenderer = this;
color = Util.PremultiplyAlpha(color);
var r = color.R / 255.0f; var r = color.R / 255.0f;
var g = color.G / 255.0f; var g = color.G / 255.0f;
var b = color.B / 255.0f; var b = color.B / 255.0f;

1
OpenRA.Game/Graphics/QuadRenderer.cs
View File

@@ -51,6 +51,7 @@ namespace OpenRA.Graphics
if (nv + 4 > renderer.TempBufferSize) if (nv + 4 > renderer.TempBufferSize)
Flush(); Flush();
color = Util.PremultiplyAlpha(color);
var r = color.R / 255.0f; var r = color.R / 255.0f;
var g = color.G / 255.0f; var g = color.G / 255.0f;
var b = color.B / 255.0f; var b = color.B / 255.0f;