From eeb2febfea01cda47bd46e76f08b3f80347fce46 Mon Sep 17 00:00:00 2001
From: Elias Naur <mail@eliasnaur.com>
Date: Fri, 11 Mar 2022 18:35:57 +0100
Subject: [PATCH] gpu: minimize FBO resizes in current renderer

References: https://todo.sr.ht/~eliasnaur/gio/375
Signed-off-by: Elias Naur <mail@eliasnaur.com>
---
 gpu/path.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gpu/path.go b/gpu/path.go
index 5fd73cf0..c56ce159 100644
--- a/gpu/path.go
+++ b/gpu/path.go
@@ -259,6 +259,8 @@ func (s *fboSet) resize(ctx driver.Device, sizes []image.Point) {
 			if f.tex != nil {
 				f.tex.Release()
 			}
+			// Add 5% extra space in each dimension to minimize resizing.
+			sz = sz.Mul(105).Div(100)
 			tex, err := ctx.NewTexture(driver.TextureFormatFloat, sz.X, sz.Y, driver.FilterNearest, driver.FilterNearest,
 				driver.BufferBindingTexture|driver.BufferBindingFramebuffer)
 			if err != nil {