[mutter] cogl: Remove unused CoglTextureDriver::prep_gl_for_pixels_upload

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 0f51ae7cf07455af9622e9ea6e53c250a801a38a
Author: Adam Jackson <ajax redhat com>
Date:   Thu Mar 7 11:42:51 2019 -0500

    cogl: Remove unused CoglTextureDriver::prep_gl_for_pixels_upload
    
    https://gitlab.gnome.org/GNOME/mutter/merge_requests/814

 cogl/cogl/cogl-texture-driver.h                     | 12 ------------
 cogl/cogl/driver/gl/gl/cogl-texture-driver-gl.c     |  9 ---------
 cogl/cogl/driver/gl/gles/cogl-texture-driver-gles.c |  1 -
 3 files changed, 22 deletions(-)
---
diff --git a/cogl/cogl/cogl-texture-driver.h b/cogl/cogl/cogl-texture-driver.h
index f37abb518..fa626e7db 100644
--- a/cogl/cogl/cogl-texture-driver.h
+++ b/cogl/cogl/cogl-texture-driver.h
@@ -45,18 +45,6 @@ struct _CoglTextureDriver
            GLenum gl_target,
            CoglPixelFormat internal_format);
 
-  /*
-   * This sets up the glPixelStore state for an upload to a destination with
-   * the same size, and with no offset.
-   */
-  /* NB: GLES can't upload a sub region of pixel data from a larger source
-   * buffer which is why this interface is limited. The GL driver has a more
-   * flexible version of this function that is uses internally */
-  void
-  (* prep_gl_for_pixels_upload) (CoglContext *ctx,
-                                 int pixels_rowstride,
-                                 int pixels_bpp);
-
   /*
    * This uploads a sub-region from source_bmp to a single GL texture
    * handle (i.e a single CoglTexture slice)
diff --git a/cogl/cogl/driver/gl/gl/cogl-texture-driver-gl.c b/cogl/cogl/driver/gl/gl/cogl-texture-driver-gl.c
index 1505a2af7..eabdf6e36 100644
--- a/cogl/cogl/driver/gl/gl/cogl-texture-driver-gl.c
+++ b/cogl/cogl/driver/gl/gl/cogl-texture-driver-gl.c
@@ -132,14 +132,6 @@ prep_gl_for_pixels_upload_full (CoglContext *ctx,
   _cogl_texture_gl_prep_alignment_for_pixels_upload (ctx, pixels_rowstride);
 }
 
-static void
-_cogl_texture_driver_prep_gl_for_pixels_upload (CoglContext *ctx,
-                                                int pixels_rowstride,
-                                                int pixels_bpp)
-{
-  prep_gl_for_pixels_upload_full (ctx, pixels_rowstride, 0, 0, 0, pixels_bpp);
-}
-
 /* OpenGL - unlike GLES - can download pixel data into a sub region of
  * a larger destination buffer */
 static void
@@ -430,7 +422,6 @@ const CoglTextureDriver
 _cogl_texture_driver_gl =
   {
     _cogl_texture_driver_gen,
-    _cogl_texture_driver_prep_gl_for_pixels_upload,
     _cogl_texture_driver_upload_subregion_to_gl,
     _cogl_texture_driver_upload_to_gl,
     _cogl_texture_driver_prep_gl_for_pixels_download,
diff --git a/cogl/cogl/driver/gl/gles/cogl-texture-driver-gles.c 
b/cogl/cogl/driver/gl/gles/cogl-texture-driver-gles.c
index 22130784b..7c163596b 100644
--- a/cogl/cogl/driver/gl/gles/cogl-texture-driver-gles.c
+++ b/cogl/cogl/driver/gl/gles/cogl-texture-driver-gles.c
@@ -453,7 +453,6 @@ const CoglTextureDriver
 _cogl_texture_driver_gles =
   {
     _cogl_texture_driver_gen,
-    _cogl_texture_driver_prep_gl_for_pixels_upload,
     _cogl_texture_driver_upload_subregion_to_gl,
     _cogl_texture_driver_upload_to_gl,
     _cogl_texture_driver_prep_gl_for_pixels_download,