diff -r 38e89ab78465 src/render/opengles2/SDL_render_gles2.c
--- a/src/render/opengles2/SDL_render_gles2.c	Wed Jun 25 02:08:37 2014 -0700
+++ b/src/render/opengles2/SDL_render_gles2.c	Wed Jun 25 19:28:49 2014 +0200
@@ -694,8 +694,8 @@
 
     data->glBindTexture(tdata->texture_type, tdata->texture_v);
     GLES2_TexSubImage2D(data, tdata->texture_type,
-                    rect->x,
-                    rect->y,
+                    rect->x / 2,
+                    rect->y / 2,
                     rect->w / 2,
                     rect->h / 2,
                     tdata->pixel_format,
@@ -704,8 +704,8 @@
 
     data->glBindTexture(tdata->texture_type, tdata->texture_u);
     GLES2_TexSubImage2D(data, tdata->texture_type,
-                    rect->x,
-                    rect->y,
+                    rect->x / 2,
+                    rect->y / 2,
                     rect->w / 2,
                     rect->h / 2,
                     tdata->pixel_format,