From 2c62e64a9e3469de7ebf58a00526e070da2597dc Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Fri, 9 Mar 2018 02:13:44 +0900
Subject: [PATCH] Revert "internal/graphics: increase defaultViewportSize to
 8192 (#538)"

This reverts commit a60976f260f3d9257a87281a4860fac00d7dca8c Per #541.
---
 internal/graphics/framebuffer.go | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/internal/graphics/framebuffer.go b/internal/graphics/framebuffer.go
index 320dcc2ee..f8999c55e 100644
--- a/internal/graphics/framebuffer.go
+++ b/internal/graphics/framebuffer.go
@@ -70,11 +70,8 @@ func newScreenFramebuffer(width, height int) *framebuffer {
 
 // defaultViewportSize is the default size (width or height) of viewport.
 //
-// defaultViewportSize also represents the maximum size of a framebuffer
-// and of an Image (it is used to declare MaxImageSize).
-//
-// For portability reasons it must be a power of two.
-const defaultViewportSize = 8192
+// defaultViewportSize also represents the maximum size of a framebuffer.
+const defaultViewportSize = 4096
 
 // viewportSize returns the viewport size of the framebuffer.
 func (f *framebuffer) viewportSize() (int, int) {