Dynamically create stencil buffer when needed.

include/gpu/GrTypes.h

 
 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrTypes_DEFINED
 #define GrTypes_DEFINED
@@ skipping 372 matching lines @@
  * Optional bitfield flags that can be set on GrSurfaceDesc (below).
  */
 enum GrSurfaceFlags {
     kNone_GrSurfaceFlags            = 0x0,
     /**
      * Creates a texture that can be rendered to as a GrRenderTarget. Use
      * GrTexture::asRenderTarget() to access.
      */
     kRenderTarget_GrSurfaceFlag     = 0x1,
     /**
-     * By default all render targets have an associated stencil buffer that
-     * may be required for path filling. This flag overrides stencil buffer
-     * creation.
-     * MAKE THIS PRIVATE?
+     * DEPRECATED. This has no effect.
      */
     kNoStencil_GrSurfaceFlag        = 0x2,
     /**
      * Indicates that all allocations (color buffer, FBO completeness, etc)
      * should be verified.
      */
     kCheckAllocation_GrSurfaceFlag  = 0x4,
 };
 
 GR_MAKE_BITFIELD_OPS(GrSurfaceFlags)
@@ skipping 222 matching lines @@
 public:
     GrAutoMalloc() : INHERITED() {}
     explicit GrAutoMalloc(size_t size) : INHERITED(size) {}
     virtual ~GrAutoMalloc() {}
 private:
     typedef GrAutoMallocBaseType INHERITED;
 };
 
 #undef GrAutoMallocBaseType
 #endif