Revert of Move instanced index buffer creation to flush time

src/gpu/GrResourceProvider.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 "GrResourceProvider.h"
-
-#include "GrGpu.h"
-#include "GrResourceCache.h"
-#include "GrResourceKey.h"
-#include "GrVertexBuffer.h"
-
-GR_DECLARE_STATIC_UNIQUE_KEY(gQuadIndexBufferKey);
-
-GrResourceProvider::GrResourceProvider(GrGpu* gpu, GrResourceCache* cache) : INHERITED(gpu, cache) {
-    GR_DEFINE_STATIC_UNIQUE_KEY(gQuadIndexBufferKey);
-    fQuadIndexBufferKey = gQuadIndexBufferKey;
-}
-
-const GrIndexBuffer* GrResourceProvider::createInstancedIndexBuffer(const uint16_t* pattern,
-                                                                    int patternSize,
-                                                                    int reps,
-                                                                    int vertCount,
-                                                                    const GrUniqueKey& key) {
-    size_t bufferSize = patternSize * reps * sizeof(uint16_t);
-
-    GrIndexBuffer* buffer = this->gpu()->createIndexBuffer(bufferSize, /* dynamic = */ false);
-    if (!buffer) {
-        return NULL;
-    }
-    uint16_t* data = (uint16_t*) buffer->map();
-    bool useTempData = (NULL == data);
-    if (useTempData) {
-        data = SkNEW_ARRAY(uint16_t, reps * patternSize);
-    }
-    for (int i = 0; i < reps; ++i) {
-        int baseIdx = i * patternSize;
-        uint16_t baseVert = (uint16_t)(i * vertCount);
-        for (int j = 0; j < patternSize; ++j) {
-            data[baseIdx+j] = baseVert + pattern[j];
-        }
-    }
-    if (useTempData) {
-        if (!buffer->updateData(data, bufferSize)) {
-            buffer->unref();
-            return NULL;
-        }
-        SkDELETE_ARRAY(data);
-    } else {
-        buffer->unmap();
-    }
-    return buffer;
-}
-
-const GrIndexBuffer* GrResourceProvider::createQuadIndexBuffer() {
-    static const int kMaxQuads = 1 << 12; // max possible: (1 << 14) - 1;
-    GR_STATIC_ASSERT(4 * kMaxQuads <= 65535);
-    static const uint16_t kPattern[] = { 0, 1, 2, 0, 2, 3 };
-
-    return this->createInstancedIndexBuffer(kPattern, 6, kMaxQuads, 4, fQuadIndexBufferKey);
-}
-