Draft change to start pulling uniform color into GP

src/gpu/GrInOrderDrawBuffer.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrInOrderDrawBuffer.h"
 
 #include "GrDefaultGeoProcFactory.h"
@@ skipping 484 matching lines @@
                                                    GrGpu::DrawType drawType,
                                                    const GrClipMaskManager::ScissorState& scissor,
                                                    const GrDeviceCoordTexture* dstCopy) {
     SetState* ss = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, SetState,
                                             (ds, gp, pathProc, *this->getGpu()->caps(), scissor,
                                              dstCopy, drawType));
     if (ss->fState.mustSkip()) {
         fCmdBuffer.pop_back();
         return false;
     }
-    if (fPrevState && *fPrevState == ss->fState) {
+    if (fPrevState && fPrevState->combineIfPossible(ss->fState)) {
         fCmdBuffer.pop_back();
     } else {
         fPrevState = &ss->fState;
         this->recordTraceMarkersIfNecessary();
     }
     return true;
 }
 
 void GrInOrderDrawBuffer::recordTraceMarkersIfNecessary() {
     SkASSERT(!fCmdBuffer.empty());
     SkASSERT(!cmd_has_trace_marker(fCmdBuffer.back().fType));
     const GrTraceMarkerSet& activeTraceMarkers = this->getActiveTraceMarkers();
     if (activeTraceMarkers.count() > 0) {
         fCmdBuffer.back().fType = add_trace_bit(fCmdBuffer.back().fType);
         fGpuCmdMarkers.push_back(activeTraceMarkers);
     }
 }