Check for xfer barriers in GrBatch, auto-issue barriers in GrGpu

src/gpu/GrInOrderCommandBuilder.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrInOrderCommandBuilder.h"
 
 #include "GrBufferedDrawTarget.h"
 
 #include "GrColor.h"
 #include "SkPoint.h"
 
 static bool path_fill_type_is_winding(const GrStencilSettings& pathStencilSettings) {
     static const GrStencilSettings::Face pathFace = GrStencilSettings::kFront_Face;
     bool isWinding = kInvert_StencilOp != pathStencilSettings.passOp(pathFace);
     if (isWinding) {
         // Double check that it is in fact winding.
         SkASSERT(kIncClamp_StencilOp == pathStencilSettings.passOp(pathFace));
         SkASSERT(kIncClamp_StencilOp == pathStencilSettings.failOp(pathFace));
         SkASSERT(0x1 != pathStencilSettings.writeMask(pathFace));
         SkASSERT(!pathStencilSettings.isTwoSided());
     }
     return isWinding;
 }
 
-GrTargetCommands::Cmd* GrInOrderCommandBuilder::recordDrawBatch(GrBatch* batch) {
+GrTargetCommands::Cmd* GrInOrderCommandBuilder::recordDrawBatch(GrBatch* batch,
+                                                                const GrCaps& caps) {
     GrBATCH_INFO("In-Recording (%s, %u)\n", batch->name(), batch->uniqueID());
     if (!this->cmdBuffer()->empty() &&
         Cmd::kDrawBatch_CmdType == this->cmdBuffer()->back().type()) {
         DrawBatch* previous = static_cast<DrawBatch*>(&this->cmdBuffer()->back());
-        if (previous->batch()->combineIfPossible(batch)) {
+        if (previous->batch()->combineIfPossible(batch, caps)) {
             GrBATCH_INFO("\tBatching with (%s, %u)\n",
                          previous->fBatch->name(), previous->fBatch->uniqueID());
             return NULL;
         }
     }
 
     return GrNEW_APPEND_TO_RECORDER(*this->cmdBuffer(), DrawBatch, (batch, this->batchTarget()));
 }
 
 GrTargetCommands::Cmd*
@@ skipping 76 matching lines @@
 
     DrawPaths* dp = GrNEW_APPEND_TO_RECORDER(*this->cmdBuffer(), DrawPaths, (state, pathRange));
     dp->fIndices = savedIndices;
     dp->fIndexType = indexType;
     dp->fTransforms = savedTransforms;
     dp->fTransformType = transformType;
     dp->fCount = count;
     dp->fStencilSettings = stencilSettings;
     return dp;
 }