Avoid pixel GPU readback in saveLayerWithPickup

src/gpu/gl/GrGLUtil.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGLUtil_DEFINED
 #define GrGLUtil_DEFINED
 
@@ skipping 63 matching lines @@
         *(p) = GR_GL_INIT_ZERO;                                                \
         GR_GL_CALL(gl, GetIntegerv(e, p));                                     \
     } while (0)
 
 #define GR_GL_GetFramebufferAttachmentParameteriv(gl, t, a, pname, p)          \
     do {                                                                       \
         *(p) = GR_GL_INIT_ZERO;                                                \
         GR_GL_CALL(gl, GetFramebufferAttachmentParameteriv(t, a, pname, p));   \
     } while (0)
 
+#define GR_GL_GetNamedFramebufferAttachmentParameteriv(gl, fb, a, pname, p)          \
+    do {                                                                             \
+        *(p) = GR_GL_INIT_ZERO;                                                      \
+        GR_GL_CALL(gl, GetNamedFramebufferAttachmentParameteriv(fb, a, pname, p));   \
+    } while (0)
+
 #define GR_GL_GetRenderbufferParameteriv(gl, t, pname, p)                      \
     do {                                                                       \
         *(p) = GR_GL_INIT_ZERO;                                                \
         GR_GL_CALL(gl, GetRenderbufferParameteriv(t, pname, p));               \
     } while (0)
 
 #define GR_GL_GetTexLevelParameteriv(gl, t, l, pname, p)                       \
     do {                                                                       \
         *(p) = GR_GL_INIT_ZERO;                                                \
         GR_GL_CALL(gl, GetTexLevelParameteriv(t, l, pname, p));                \
@@ skipping 110 matching lines @@
         GR_GL_LOG_CALLS_IMPL(X);                                \
     } while (false)
 
 // call glGetError without doing a redundant error check or logging.
 #define GR_GL_GET_ERROR(IFACE) (IFACE)->fFunctions.fGetError()
 
 GrGLenum GrToGLStencilFunc(GrStencilFunc basicFunc);
 
 
 #endif