[gtk/wip/chergert/glproto: 209/526] stub out library upload/lookup hooks

[Christian Hergert <chergert src gnome org>]

commit 36d4469758edb2bab3d78b16dcb533471f1ab3f7
Author: Christian Hergert <chergert redhat com>
Date:   Fri Jan 8 12:55:53 2021 -0800

    stub out library upload/lookup hooks

 gsk/next/gskgltexturelibrary.c | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
---
diff --git a/gsk/next/gskgltexturelibrary.c b/gsk/next/gskgltexturelibrary.c
index 25ff5599ac..2847c48e5a 100644
--- a/gsk/next/gskgltexturelibrary.c
+++ b/gsk/next/gskgltexturelibrary.c
@@ -154,3 +154,32 @@ gsk_gl_texture_library_end_frame (GskGLTextureLibrary *self)
   if (GSK_GL_TEXTURE_LIBRARY_GET_CLASS (self)->end_frame)
     GSK_GL_TEXTURE_LIBRARY_GET_CLASS (self)->end_frame (self);
 }
+
+gboolean
+gsk_gl_texture_library_pack (GskGLTextureLibrary  *self,
+                             gconstpointer         key,
+                             gsize                 keylen,
+                             float                 width,
+                             float                 height,
+                             GskGLTextureAtlas   **atlas,
+                             graphene_rect_t      *area)
+{
+  return FALSE;
+}
+
+gboolean
+gsk_gl_texture_library_lookup (GskGLTextureLibrary  *library,
+                               gconstpointer         key,
+                               GskGLTextureAtlas   **atlas,
+                               graphene_rect_t      *area)
+{
+  return FALSE;
+}
+
+void
+gsk_gl_texture_library_upload (GskGLTextureLibrary   *self,
+                               GskGLTextureAtlas     *atlas,
+                               const graphene_rect_t *area,
+                               GdkTexture            *texture)
+{
+}