Cleanup GrDrawTarget now that all paths lead to GrBatch

src/gpu/GrTargetCommands.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 "GrTargetCommands.h"
-
-#include "GrBatchFlushState.h"
-#include "GrGpu.h"
-#include "GrPathRendering.h"
-#include "batches/GrDrawBatch.h"
-#include "batches/GrVertexBatch.h"
-
-GrBATCH_SPEW(int32_t GrTargetCommands::Cmd::gUniqueID = 0;)
-
-void GrTargetCommands::reset() {
-    fCmdBuffer.reset();
-}
-
-void GrTargetCommands::flush(GrGpu* gpu, GrResourceProvider* resourceProvider) {
-    GrBATCH_INFO("Flushing\n");
-    if (fCmdBuffer.empty()) {
-        return;
-    }
-    GrBatchFlushState flushState(gpu, resourceProvider, fLastFlushToken);
-    // Loop over all batches and generate geometry
-    CmdBuffer::Iter genIter(fCmdBuffer);
-    while (genIter.next()) {
-        if (Cmd::kDrawBatch_CmdType == genIter->type()) {
-            DrawBatch* db = reinterpret_cast<DrawBatch*>(genIter.get());
-            db->batch()->prepare(&flushState);
-        }
-    }
-
-    flushState.preIssueDraws();
-
-    CmdBuffer::Iter iter(fCmdBuffer);
-    while (iter.next()) {
-        iter->execute(&flushState);
-    }
-    fLastFlushToken = flushState.lastFlushedToken();
-}
-
-void GrTargetCommands::DrawBatch::execute(GrBatchFlushState* state) {
-    fBatch->draw(state);
-}