Introduce DecoderPerfTest

This is a microbenchmark that measures the raw throughput of the GLES2 decoders.

Bug: 775212
Cq-Include-Trybots: master.tryserver.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel
Change-Id: Ic701af8c5e83a5eee347f481ee5319dfa6fc0ffc
Reviewed-on: https://chromium-review.googlesource.com/719462
Commit-Queue: Antoine Labour <piman@chromium.org>
Reviewed-by: Victor Miura <vmiura@chromium.org>
Cr-Commit-Position: refs/heads/master@{#509270}

gpu/BUILD.gn

@@ -402,9 +402,10 @@ test("gpu_perftests") {
   ]
 
   deps = [
+    ":gpu",
     "//base",
     "//base/test:test_support",
-    "//gpu/command_buffer/service",
+    "//gpu/command_buffer/client:gles2_implementation",
     "//testing/gmock",
     "//testing/gtest",
     "//testing/perf",
@@ -425,6 +426,36 @@ test("gpu_perftests") {
   assert_no_deps = [ "//chrome" ]
 }
 
+test("command_buffer_perftests") {
+  sources = [
+    "command_buffer/tests/decoder_perftest.cc",
+    "perftests/run_all_tests.cc",
+  ]
+
+  deps = [
+    ":gpu",
+    "//base",
+    "//base/test:test_support",
+    "//gpu/command_buffer/client:gles2_implementation",
+    "//testing/gtest",
+    "//testing/perf",
+    "//ui/gfx/geometry",
+    "//ui/gl",
+    "//ui/gl/init",
+  ]
+
+  data = [
+    # Needed for isolate script to execute.
+    "//testing/scripts/common.py",
+    "//testing/xvfb.py",
+    "//testing/scripts/run_gtest_perf_test.py",
+    "//tools/perf/generate_legacy_perf_dashboard_json.py",
+  ]
+
+  # This target should not require the Chrome executable to run.
+  assert_no_deps = [ "//chrome" ]
+}
+
 fuzzer_test("gpu_fuzzer") {
   sources = [
     "command_buffer/tests/fuzzer_main.cc",

gpu/command_buffer/service/command_buffer_direct.h

@@ -69,6 +69,10 @@ class GPU_EXPORT CommandBufferDirect : public CommandBuffer,
 
   scoped_refptr<Buffer> CreateTransferBufferWithId(size_t size, int32_t id);
 
+  void SetGetOffsetForTest(int32_t get_offset) {
+    service_.SetGetOffsetForTest(get_offset);
+  }
+
  private:
   CommandBufferService service_;
   SyncPointManager* sync_point_manager_;

gpu/command_buffer/service/command_buffer_service.h

@@ -120,6 +120,10 @@ class GPU_EXPORT CommandBufferService : public CommandBufferServiceBase {
 
   int32_t put_offset() const { return put_offset_; }
 
+  void SetGetOffsetForTest(int32_t get_offset) {
+    state_.get_offset = get_offset;
+  }
+
  private:
   CommandBufferServiceClient* client_;
   TransferBufferManager* transfer_buffer_manager_;

gpu/perftests/run_all_tests.cc

@@ -3,16 +3,39 @@
 // found in the LICENSE file.
 
 #include "base/bind.h"
+#include "base/command_line.h"
+#include "base/feature_list.h"
+#include "base/message_loop/message_loop.h"
 #include "base/test/launcher/unit_test_launcher.h"
 #include "base/test/test_suite.h"
+#include "build/build_config.h"
+#include "ui/gl/init/gl_factory.h"
+
+static int RunHelper(base::TestSuite* test_suite) {
+#if defined(USE_OZONE)
+  base::MessageLoopForUI main_loop;
+#else
+  base::MessageLoopForIO message_loop;
+#endif
+  base::FeatureList::InitializeInstance(std::string(), std::string());
+
+  auto* command_line = base::CommandLine::ForCurrentProcess();
+  ALLOW_UNUSED_LOCAL(command_line);
+  CHECK(gl::init::InitializeGLOneOff());
+  return test_suite->Run();
+}
 
 int main(int argc, char** argv) {
   base::TestSuite test_suite(argc, argv);
+  base::CommandLine::Init(argc, argv);
+#if defined(OS_MACOSX)
+  base::mac::ScopedNSAutoreleasePool pool;
+#endif
 
   // Always run the perf tests serially, to avoid distorting
   // perf measurements with randomness resulting from running
   // in parallel.
   const auto& run_test_suite =
-      base::Bind(&base::TestSuite::Run, base::Unretained(&test_suite));
+      base::Bind(&RunHelper, base::Unretained(&test_suite));
   return base::LaunchUnitTestsSerially(argc, argv, run_test_suite);
 }

gpu/perftests/texture_upload_perftest.cc

@@ -28,10 +28,6 @@
 #include "ui/gl/init/gl_factory.h"
 #include "ui/gl/scoped_make_current.h"
 
-#if defined(USE_OZONE)
-#include "base/message_loop/message_loop.h"
-#endif
-
 namespace gpu {
 namespace {
 
@@ -179,13 +175,6 @@ class TextureUploadPerfTest : public testing::Test {
 
   // Overridden from testing::Test
   void SetUp() override {
-#if defined(USE_OZONE)
-    // On Ozone, the backend initializes the event system using a UI
-    // thread.
-    base::MessageLoopForUI main_loop;
-#endif
-    static bool gl_initialized = gl::init::InitializeGLOneOff();
-    DCHECK(gl_initialized);
     // Initialize an offscreen surface and a gl context.
     surface_ = gl::init::CreateOffscreenGLSurface(gfx::Size());
     gl_context_ =