Identify the active GPU using GL strings in multiple GPU situation.

gpu/config/gpu_info_collector_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_split.h"
 #include "gpu/config/gpu_info.h"
 #include "gpu/config/gpu_info_collector.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 284 matching lines @@
   GPUInfo gpu_info;
   for (int i = 0; kTestStrings[i].gl_renderer != NULL; ++i) {
     gpu_info.gl_renderer = kTestStrings[i].gl_renderer;
     gpu_info.gl_vendor = kTestStrings[i].gl_vendor;
     gpu_info.gl_version = kTestStrings[i].gl_version;
     EXPECT_EQ(CollectDriverInfoGL(&gpu_info), kCollectInfoSuccess);
     EXPECT_EQ(gpu_info.driver_version, kTestStrings[i].expected_driver_version);
   }
 }
 
+TEST(MultiGPUsTest, IdentifyActiveGPU) {
+  GPUInfo::GPUDevice nvidia_gpu;
+  nvidia_gpu.vendor_id = 0x10de;
+  nvidia_gpu.device_id = 0x0df8;
+  GPUInfo::GPUDevice intel_gpu;
+  intel_gpu.vendor_id = 0x8086;
+  intel_gpu.device_id = 0x0416;
+
+  GPUInfo gpu_info;
+  gpu_info.gpu = nvidia_gpu;
+  gpu_info.secondary_gpus.push_back(intel_gpu);
+
+  EXPECT_FALSE(gpu_info.gpu.active);
+  EXPECT_FALSE(gpu_info.secondary_gpus[0].active);
+
+  IdentifyActiveGPU(&gpu_info);
+  EXPECT_FALSE(gpu_info.gpu.active);
+  EXPECT_FALSE(gpu_info.secondary_gpus[0].active);
+
+  gpu_info.gl_vendor = "Intel Open Source Technology Center";
+  gpu_info.gl_renderer = "Mesa DRI Intel(R) Haswell Mobile";
+  IdentifyActiveGPU(&gpu_info);
+  EXPECT_FALSE(gpu_info.gpu.active);
+  EXPECT_TRUE(gpu_info.secondary_gpus[0].active);
+
+  gpu_info.gl_vendor = "NVIDIA Corporation";
+  gpu_info.gl_renderer = "Quadro 600/PCIe/SSE2";
+  IdentifyActiveGPU(&gpu_info);
+  EXPECT_TRUE(gpu_info.gpu.active);
+  EXPECT_FALSE(gpu_info.secondary_gpus[0].active);
+}
+
+TEST(MultiGPUsTest, IdentifyActiveGPUAvoidFalseMatch) {
+  // Verify that "Corporation" won't be matched with "ati".
+  GPUInfo::GPUDevice amd_gpu;
+  amd_gpu.vendor_id = 0x1002;
+  amd_gpu.device_id = 0x0df8;
+  GPUInfo::GPUDevice intel_gpu;
+  intel_gpu.vendor_id = 0x8086;
+  intel_gpu.device_id = 0x0416;
+
+  GPUInfo gpu_info;
+  gpu_info.gpu = amd_gpu;
+  gpu_info.secondary_gpus.push_back(intel_gpu);
+
+  gpu_info.gl_vendor = "Google Corporation";
+  gpu_info.gl_renderer = "Chrome GPU Team";
+  IdentifyActiveGPU(&gpu_info);
+  EXPECT_FALSE(gpu_info.gpu.active);
+  EXPECT_FALSE(gpu_info.secondary_gpus[0].active);
+}
+
 }  // namespace gpu