Isolate GrBufferAllocPools inside GrBatchTarget

src/gpu/GrBatchTarget.cpp

Index: src/gpu/GrBatchTarget.cpp
diff --git a/src/gpu/GrBatchTarget.cpp b/src/gpu/GrBatchTarget.cpp
index b5293d70c576e9771a10165597d4658f1e1c05ef..31b4cc9f47f15ab287e5be8e65d29b8816ea0ff6 100644
--- a/src/gpu/GrBatchTarget.cpp
+++ b/src/gpu/GrBatchTarget.cpp
@@ -10,18 +10,27 @@
 #include "GrBatchAtlas.h"
 #include "GrPipeline.h"
 
-GrBatchTarget::GrBatchTarget(GrGpu* gpu,
-                             GrVertexBufferAllocPool* vpool,
-                             GrIndexBufferAllocPool* ipool)
+static const size_t DRAW_BUFFER_VBPOOL_BUFFER_SIZE = 1 << 15;
+static const int DRAW_BUFFER_VBPOOL_PREALLOC_BUFFERS = 4;
+
+static const size_t DRAW_BUFFER_IBPOOL_BUFFER_SIZE = 1 << 11;
+static const int DRAW_BUFFER_IBPOOL_PREALLOC_BUFFERS = 4;
+
+GrBatchTarget::GrBatchTarget(GrGpu* gpu)
     : fGpu(gpu)
-    , fVertexPool(vpool)
-    , fIndexPool(ipool)
     , fFlushBuffer(kFlushBufferInitialSizeInBytes)
     , fIter(fFlushBuffer)
     , fNumberOfDraws(0)
     , fCurrentToken(0)
     , fLastFlushedToken(0)
     , fInlineUpdatesIndex(0) {
+
+    fVertexPool.reset(SkNEW_ARGS(GrVertexBufferAllocPool, (fGpu,
+                                             DRAW_BUFFER_VBPOOL_BUFFER_SIZE,
+                                             DRAW_BUFFER_VBPOOL_PREALLOC_BUFFERS)));
+    fIndexPool.reset(SkNEW_ARGS(GrIndexBufferAllocPool, (fGpu,
+                                            DRAW_BUFFER_IBPOOL_BUFFER_SIZE,
+                                            DRAW_BUFFER_IBPOOL_PREALLOC_BUFFERS)));
 }
 
 void GrBatchTarget::flushNext(int n)  {
@@ -53,3 +62,14 @@ void GrBatchTarget::flushNext(int n)  {
         }
     }
 }
+
+void* GrBatchTarget::makeVertSpace(size_t vertexSize, int vertexCount,
+                    const GrVertexBuffer** buffer, int* startVertex) {
+    return fVertexPool->makeSpace(vertexSize, vertexCount, buffer, startVertex);
+}
+
+uint16_t* GrBatchTarget::makeIndexSpace(int indexCount,
+                                        const GrIndexBuffer** buffer, int* startIndex) {
+    return reinterpret_cast<uint16_t*>(fIndexPool->makeSpace(indexCount, buffer, startIndex));
+}
+