From eec78223d1233217740d682f830d0c0b493fdc0c Mon Sep 17 00:00:00 2001
From: Inkeliz <inkeliz@inkeliz.com>
Date: Tue, 15 Mar 2022 12:37:26 +0000
Subject: [PATCH] gpu: prevent texture to be larger than MaxTextureSize

Change eeb2febfea01cda47bd46e76f08b3f80347fce46 added extra space to FBO
sizes to avoid re-creating them often. However, the size could end up higher
than the GPU supports. This change caps the size.

Fixes: https://todo.sr.ht/~eliasnaur/gio/380
Signed-off-by: Inkeliz <inkeliz@inkeliz.com>
---
 gpu/path.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/gpu/path.go b/gpu/path.go
index c56ce159..c14d5928 100644
--- a/gpu/path.go
+++ b/gpu/path.go
@@ -261,6 +261,13 @@ func (s *fboSet) resize(ctx driver.Device, sizes []image.Point) {
 			}
 			// Add 5% extra space in each dimension to minimize resizing.
 			sz = sz.Mul(105).Div(100)
+			max := ctx.Caps().MaxTextureSize
+			if sz.Y > max {
+				sz.Y = max
+			}
+			if sz.X > max {
+				sz.X = max
+			}
 			tex, err := ctx.NewTexture(driver.TextureFormatFloat, sz.X, sz.Y, driver.FilterNearest, driver.FilterNearest,
 				driver.BufferBindingTexture|driver.BufferBindingFramebuffer)
 			if err != nil {