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graphics: Early return when num of vertices is 0

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This commit is contained in:
Hajime Hoshi 2016-04-08 02:49:53 +09:00
parent c3d8cf2366
commit 492f471ec3
1 changed files with 2 additions and 2 deletions
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4
internal/graphics/draw.go
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@ -66,12 +66,12 @@ func drawTexture(c *opengl.Context, texture opengl.Texture, projectionMatrix *[4
geoM: geo,
colorM: color,
}
p.begin()
defer p.end()
n := quads.SetVertices(vertices)
if n == 0 {
return nil
}
p.begin()
defer p.end()
c.BufferSubData(c.ArrayBuffer, vertices[:16*n])
c.DrawElements(c.Triangles, 6*n)
return nil