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Code Issues Releases Wiki Activity

Limit maximum triangles to avoid GL buffer overflow

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This commit is contained in:
Dean Herbert 2021-09-15 18:32:52 +09:00
parent d176804793
commit 07fec268c0
1 changed files with 5 additions and 1 deletions
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6
osu.Game/Graphics/Backgrounds/Triangles.cs
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@ -13,6 +13,7 @@ using osu.Framework.Graphics.Primitives;
using osu.Framework.Allocation;
using System.Collections.Generic;
using osu.Framework.Graphics.Batches;
using osu.Framework.Graphics.OpenGL.Buffers;
using osu.Framework.Graphics.OpenGL.Vertices;
using osu.Framework.Lists;
@ -181,7 +182,10 @@ namespace osu.Game.Graphics.Backgrounds
private void addTriangles(bool randomY)
{
AimCount = (int)(DrawWidth * DrawHeight * 0.002f / (triangleScale * triangleScale) * SpawnRatio);
// limited by the maximum size of QuadVertexBuffer for safety.
const int max_triangles = QuadVertexBuffer<TexturedVertex2D>.MAX_QUADS;
AimCount = (int)Math.Min(max_triangles, (DrawWidth * DrawHeight * 0.002f / (triangleScale * triangleScale) * SpawnRatio));
for (int i = 0; i < AimCount - parts.Count; i++)
parts.Add(createTriangle(randomY));