[mutter] cogl: Remove unused COGL_FEATURE_DEPTH_RANGE

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

commit eaf0aa1f0764dc1b2d9d475c1524891c7e031891
Author: Adam Jackson <ajax redhat com>
Date:   Thu Oct 17 17:15:17 2019 -0400

    cogl: Remove unused COGL_FEATURE_DEPTH_RANGE
    
    https://gitlab.gnome.org/GNOME/mutter/merge_requests/866

 cogl/cogl/cogl-types.h                      | 2 --
 cogl/cogl/driver/gl/gl/cogl-driver-gl.c     | 3 +--
 cogl/cogl/driver/gl/gles/cogl-driver-gles.c | 1 -
 3 files changed, 1 insertion(+), 5 deletions(-)
---
diff --git a/cogl/cogl/cogl-types.h b/cogl/cogl/cogl-types.h
index 376177653..6664f90d3 100644
--- a/cogl/cogl/cogl-types.h
+++ b/cogl/cogl/cogl-types.h
@@ -122,7 +122,6 @@ typedef struct _CoglTextureVertex       CoglTextureVertex;
  * @COGL_FEATURE_UNSIGNED_INT_INDICES: Set if
  *     %COGL_INDICES_TYPE_UNSIGNED_INT is supported in
  *     cogl_vertex_buffer_indices_new().
- * @COGL_FEATURE_DEPTH_RANGE: cogl_material_set_depth_range() support
  * @COGL_FEATURE_POINT_SPRITE: Whether
  *     cogl_material_set_layer_point_sprite_coords_enabled() is supported.
  * @COGL_FEATURE_MAP_BUFFER_FOR_READ: Whether cogl_buffer_map() is
@@ -146,7 +145,6 @@ typedef enum
   COGL_FEATURE_STENCIL_BUFFER         = (1 << 10),
   COGL_FEATURE_PBOS                  = (1 << 12),
   COGL_FEATURE_UNSIGNED_INT_INDICES   = (1 << 13),
-  COGL_FEATURE_DEPTH_RANGE            = (1 << 14),
   COGL_FEATURE_POINT_SPRITE           = (1 << 18),
   COGL_FEATURE_MAP_BUFFER_FOR_READ    = (1 << 21),
   COGL_FEATURE_MAP_BUFFER_FOR_WRITE   = (1 << 22),
diff --git a/cogl/cogl/driver/gl/gl/cogl-driver-gl.c b/cogl/cogl/driver/gl/gl/cogl-driver-gl.c
index 8c8d1f5b1..ce91cfcb0 100644
--- a/cogl/cogl/driver/gl/gl/cogl-driver-gl.c
+++ b/cogl/cogl/driver/gl/gl/cogl-driver-gl.c
@@ -394,8 +394,7 @@ _cogl_driver_update_features (CoglContext *ctx,
                                   &ctx->glsl_minor);
 
   flags = (COGL_FEATURE_TEXTURE_READ_PIXELS
-           | COGL_FEATURE_UNSIGNED_INT_INDICES
-           | COGL_FEATURE_DEPTH_RANGE);
+           | COGL_FEATURE_UNSIGNED_INT_INDICES);
   COGL_FLAGS_SET (ctx->features,
                   COGL_FEATURE_ID_UNSIGNED_INT_INDICES, TRUE);
 
diff --git a/cogl/cogl/driver/gl/gles/cogl-driver-gles.c b/cogl/cogl/driver/gl/gles/cogl-driver-gles.c
index 5a0d7593d..3415d422b 100644
--- a/cogl/cogl/driver/gl/gles/cogl-driver-gles.c
+++ b/cogl/cogl/driver/gl/gles/cogl-driver-gles.c
@@ -304,7 +304,6 @@ _cogl_driver_update_features (CoglContext *context,
   flags |= COGL_FEATURE_OFFSCREEN;
   /* Note GLES 2 core doesn't support mipmaps for npot textures or
    * repeat modes other than CLAMP_TO_EDGE. */
-  flags |= COGL_FEATURE_DEPTH_RANGE;
   COGL_FLAGS_SET (context->features, COGL_FEATURE_ID_OFFSCREEN, TRUE);
 
   COGL_FLAGS_SET (private_features, COGL_PRIVATE_FEATURE_ANY_GL, TRUE);