Make GrBatch carry its own GrPipeline

src/gpu/batches/GrBatch.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 "GrBatch.h"
 #include "GrBatchTarget.h"
 #include "GrResourceProvider.h"
@@ skipping 30 matching lines @@
 GrBATCH_SPEW(int32_t GrBatch::gCurrBatchUniqueID = GrBatch::kIllegalBatchID;)
 
 void* GrBatch::operator new(size_t size) {
     return MemoryPoolAccessor().pool()->allocate(size);
 }
 
 void GrBatch::operator delete(void* target) {
     return MemoryPoolAccessor().pool()->release(target);
 }
 
+GrBatch::GrBatch()
+    : fClassID(kIllegalBatchID)
+    , fNumberOfDraws(0)
+    , fPipelineInstalled(false)
+#if GR_BATCH_SPEW
+    , fUniqueID(GenID(&gCurrBatchUniqueID))
+#endif
+{
+    SkDEBUGCODE(fUsed = false;)
+}
+
+GrBatch::~GrBatch() {
+    if (fPipelineInstalled) {
+        this->pipeline()->~GrPipeline();
+    }
+}
+
 void* GrBatch::InstancedHelper::init(GrBatchTarget* batchTarget, GrPrimitiveType primType,
                                      size_t vertexStride, const GrIndexBuffer* indexBuffer,
                                      int verticesPerInstance, int indicesPerInstance,
                                      int instancesToDraw) {
     SkASSERT(batchTarget);
     if (!indexBuffer) {
         return NULL;
     }
     const GrVertexBuffer* vertexBuffer;
     int firstVertex;
@@ skipping 17 matching lines @@
 void* GrBatch::QuadHelper::init(GrBatchTarget* batchTarget, size_t vertexStride, int quadsToDraw) {
     SkAutoTUnref<const GrIndexBuffer> quadIndexBuffer(
         batchTarget->resourceProvider()->refQuadIndexBuffer());
     if (!quadIndexBuffer) {
         SkDebugf("Could not get quad index buffer.");
         return NULL;
     }
     return this->INHERITED::init(batchTarget, kTriangles_GrPrimitiveType, vertexStride,
                                  quadIndexBuffer, kVerticesPerQuad, kIndicesPerQuad, quadsToDraw);
 }
+
+bool GrBatch::installPipeline(const GrPipeline::CreateArgs& args) {
+    GrPipelineOptimizations opts;
+    void* location = fPipelineStorage.get();
+    if (!GrPipeline::CreateAt(location, args, &opts)) {
+        return false;
+    }
+    this->initBatchTracker(opts);
+    fPipelineInstalled = true;
+    return true;
+}