From 2719ec62ed1a149ce23655d5c1f896a85dd59ba7 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Sat, 29 Nov 2008 15:32:14 +0000
Subject: [PATCH] Whoops, we need this for subrect updates (testsprite)

---
 src/video/SDL_renderer_gl.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/video/SDL_renderer_gl.c b/src/video/SDL_renderer_gl.c
index d299fe026..b6dc48800 100644
--- a/src/video/SDL_renderer_gl.c
+++ b/src/video/SDL_renderer_gl.c
@@ -689,6 +689,8 @@ SetupTextureUpdate(GL_RenderData * renderdata, SDL_Texture * texture,
         renderdata->glPixelStorei(GL_UNPACK_LSB_FIRST, 0);
     }
     renderdata->glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+    renderdata->glPixelStorei(GL_UNPACK_ROW_LENGTH,
+                              pitch / SDL_BYTESPERPIXEL(texture->format));
 }
 
 static int