Began logging more gpu stats from nanobench
BUG=skia:
Review URL: https://codereview.chromium.org/1489033004
diff --git a/bench/SKPBench.cpp b/bench/SKPBench.cpp
index 910af6b..c548090 100644
--- a/bench/SKPBench.cpp
+++ b/bench/SKPBench.cpp
@@ -155,3 +155,41 @@
fSurfaces[j]->getCanvas()->flush();
}
}
+
+#if SK_SUPPORT_GPU
+static void draw_pic_for_stats(SkCanvas* canvas, GrContext* context, const SkPicture* picture,
+ SkTArray<SkString>* keys, SkTArray<double>* values,
+ const char* tag) {
+ context->resetGpuStats();
+ canvas->drawPicture(picture);
+ canvas->flush();
+
+ int offset = keys->count();
+ context->dumpGpuStatsKeyValuePairs(keys, values);
+
+ // append tag, but only to new tags
+ for (int i = offset; i < keys->count(); i++, offset++) {
+ (*keys)[i].appendf("_%s", tag);
+ }
+}
+#endif
+
+void SKPBench::getGpuStats(SkCanvas* canvas, SkTArray<SkString>* keys, SkTArray<double>* values) {
+#if SK_SUPPORT_GPU
+ // we do a special single draw and then dump the key / value pairs
+ GrContext* context = canvas->getGrContext();
+ if (!context) {
+ return;
+ }
+
+ // TODO refactor this out if we want to test other subclasses of skpbench
+ context->flush();
+ context->freeGpuResources();
+ context->resetContext();
+ draw_pic_for_stats(canvas, context, fPic, keys, values, "first_frame");
+
+ // draw second frame
+ draw_pic_for_stats(canvas, context, fPic, keys, values, "second_frame");
+
+#endif
+}