Fix GL glyph cache with broken-fbo-fallback

When reading from the resized image, we have to use the actual width
of the image, since we're reading the bits directly. This used to work
because the width never changed.

Reviewed-by: Gunnar

1 files changed, 1 insertions, 1 deletions

diff --git a/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp b/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp
index 9a15260..b8576cb 100644
--- a/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp
+++ b/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp
@@ -164,7 +164,7 @@ void QGLTextureGlyphCache::resizeTextureData(int width, int height)
     if (ctx->d_ptr->workaround_brokenFBOReadBack) {
         QImageTextureGlyphCache::resizeTextureData(width, height);
         Q_ASSERT(image().depth() == 8);
-        glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, oldWidth, oldHeight, GL_ALPHA, GL_UNSIGNED_BYTE, image().constBits());
+        glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, oldHeight, GL_ALPHA, GL_UNSIGNED_BYTE, image().constBits());
         glDeleteTextures(1, &oldTexture);
         return;
     }