Add counting of some GL calls

tools/bench_pictures_main.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "BenchLogger.h"
 #include "Timer.h"
 #include "CopyTilesRenderer.h"
@@ skipping 36 matching lines @@
 DEFINE_bool(timeIndividualTiles, false, "Report times for drawing individual tiles, rather than "
             "times for drawing the whole page. Requires tiled rendering.");
 DEFINE_bool(purgeDecodedTex, false, "Purge decoded and GPU-uploaded textures "
             "after each iteration.");
 DEFINE_string(timers, "c", "[wcgWC]*: Display wall, cpu, gpu, truncated wall or truncated cpu time"
               " for each picture.");
 DEFINE_bool(trackDeferredCaching, false, "Only meaningful with --deferImageDecoding and "
             "SK_LAZY_CACHE_STATS set to true. Report percentage of cache hits when using "
             "deferred image decoding.");
 
+#if GR_GPU_STATS
+DEFINE_bool(gpuStats, false, "Only meaningful with gpu configurations. "
+            "Report some GPU call statistics.");
+#endif
+
 DEFINE_bool(preprocess, false, "If true, perform device specific preprocessing before timing.");
 
 // Buildbot-specific parameters
 DEFINE_string(builderName, "", "Name of the builder this is running on.");
 DEFINE_int32(buildNumber, -1, "Build number of the build this test is running on");
 DEFINE_int32(timestamp, 0, "Timestamp of the revision of Skia being tested.");
 DEFINE_string(gitHash, "", "Commit hash of the revision of Skia being run.");
 DEFINE_int32(gitNumber, -1, "Git number of the revision of Skia being run.");
 
 
@@ skipping 402 matching lines @@
         err.printf("Failed to run %i benchmarks.\n", failures);
         gLogger.logError(err);
         return 1;
     }
 #if SK_LAZY_CACHE_STATS
     if (FLAGS_trackDeferredCaching) {
         SkDebugf("Total cache hit rate: %f\n",
                  (double) gTotalCacheHits / (gTotalCacheHits + gTotalCacheMisses));
     }
 #endif
+
+#if GR_GPU_STATS
+    if (FLAGS_gpuStats && benchmark.renderer()->isUsingGpuDevice()) {
+        GrContext* ctx = benchmark.renderer()->getGrContext();
+        SkDebugf("RenderTarget Binds: %d\n", ctx->gpuStats()->renderTargetBinds());
+        SkDebugf("Shader Compilations: %d\n", ctx->gpuStats()->shaderCompilations());
+    }
+#endif
+
     gWriter.end();
     return 0;
 }
 
 #if !defined SK_BUILD_FOR_IOS
 int main(int argc, char * const argv[]) {
     return tool_main(argc, (char**) argv);
 }
 #endif