From: Matthias Clasen <mclasen@redhat.com>
Date: Wed, 31 May 2023 02:35:45 +0000 (-0400)
Subject: gltexture: Use proper alignment for downloads
X-Git-Tag: archive/raspbian/4.12.3+ds-1+rpi1~1^2^2^2~22^2~1^2~199^2~4
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=f29c7e76f5fc2a66fafb3e77597132a2b9a66e9b;p=gtk4.git

gltexture: Use proper alignment for downloads
---

diff --git a/gdk/gdkgltexture.c b/gdk/gdkgltexture.c
index 6e72af5403..d9d62190d9 100644
--- a/gdk/gdkgltexture.c
+++ b/gdk/gdkgltexture.c
@@ -204,6 +204,7 @@ gdk_gl_texture_do_download (GdkGLTexture *self,
           gsize stride = texture->width * gdk_memory_format_bytes_per_pixel (format);
           guchar *pixels = g_malloc_n (stride, texture->height);
 
+          glPixelStorei (GL_PACK_ALIGNMENT, 1);
           glGetTexImage (GL_TEXTURE_2D,
                          0,
                          gl_format,
@@ -271,6 +272,7 @@ gdk_gl_texture_do_download (GdkGLTexture *self,
           gsize stride = actual_bpp * texture->width;
           guchar *pixels = g_malloc_n (stride, texture->height);
 
+          glPixelStorei (GL_PACK_ALIGNMENT, 1);
           glReadPixels (0, 0,
                         texture->width, texture->height,
                         gl_read_format,