[mutter/wip/carlosg/clip-regions: 52/54] cogl: Drop unused struct field



commit 7f2f5a8f6b438c1c0ea741ac249b2fee987e664f
Author: Carlos Garnacho <carlosg gnome org>
Date:   Sun Oct 20 13:14:09 2019 +0200

    cogl: Drop unused struct field
    
    We only ever stored that the current clip uses the stencil buffer, but
    never read it back. It doesn't seem like we'll have an use for it.
    
    https://gitlab.gnome.org/GNOME/mutter/merge_requests/867

 cogl/cogl/cogl-context-private.h         | 5 -----
 cogl/cogl/driver/gl/cogl-clip-stack-gl.c | 3 ---
 2 files changed, 8 deletions(-)
---
diff --git a/cogl/cogl/cogl-context-private.h b/cogl/cogl/cogl-context-private.h
index 426b69166..da01996a1 100644
--- a/cogl/cogl/cogl-context-private.h
+++ b/cogl/cogl/cogl-context-private.h
@@ -272,11 +272,6 @@ struct _CoglContext
      same state multiple times. When the clip state is flushed this
      will hold a reference */
   CoglClipStack    *current_clip_stack;
-  /* Whether the stencil buffer was used as part of the current clip
-     state. If TRUE then any further use of the stencil buffer (such
-     as for drawing paths) would need to be merged with the existing
-     stencil buffer */
-  gboolean          current_clip_stack_uses_stencil;
 
   /* This is used as a temporary buffer to fill a CoglBuffer when
      cogl_buffer_map fails and we only want to map to fill it with new
diff --git a/cogl/cogl/driver/gl/cogl-clip-stack-gl.c b/cogl/cogl/driver/gl/cogl-clip-stack-gl.c
index f8b201fc8..49f45dacd 100644
--- a/cogl/cogl/driver/gl/cogl-clip-stack-gl.c
+++ b/cogl/cogl/driver/gl/cogl-clip-stack-gl.c
@@ -355,7 +355,6 @@ _cogl_clip_stack_gl_flush (CoglClipStack *stack,
     {
       COGL_NOTE (CLIPPING, "Flushed empty clip stack");
 
-      ctx->current_clip_stack_uses_stencil = FALSE;
       GE (ctx, glDisable (GL_SCISSOR_TEST));
       return;
     }
@@ -473,6 +472,4 @@ _cogl_clip_stack_gl_flush (CoglClipStack *stack,
            * box */
         }
     }
-
-  ctx->current_clip_stack_uses_stencil = using_stencil_buffer;
 }


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