Blacklist bad GPU drivers: currenly we disable all gpu related features if th...

chrome/common/gpu_feature_flags.cc

+// Copyright (c) 2010 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 "chrome/common/gpu_feature_flags.h"
+
+#include "base/logging.h"
+
+const char GpuFeatureFlags::kGpuFeatureNameAccelerated2dCanvas[] =
+    "accelerated_2d_canvas";
+const char GpuFeatureFlags::kGpuFeatureNameAcceleratedCompositing[] =
+    "accelerated_compositing";
+const char GpuFeatureFlags::kGpuFeatureNameWebgl[] = "webgl";
+
+GpuFeatureFlags::GpuFeatureFlags()
+    : flags_(0) {
+}
+
+void GpuFeatureFlags::set_flags(uint32 flags) {
+  DCHECK_EQ(flags & (~(kGpuFeatureAccelerated2dCanvas |
+                       kGpuFeatureAcceleratedCompositing |
+                       kGpuFeatureWebgl)), 0u);
+  flags_ = flags;
+}
+
+uint32 GpuFeatureFlags::flags() const {
+  return flags_;
+}
+
+void GpuFeatureFlags::Combine(const GpuFeatureFlags& other) {
+  flags_ |= other.flags_;
+}
+
+GpuFeatureFlags::GpuFeatureType GpuFeatureFlags::StringToGpuFeatureType(
+    const std::string& feature_string) {
+  if (feature_string == kGpuFeatureNameAccelerated2dCanvas)
+    return kGpuFeatureAccelerated2dCanvas;
+  else if (feature_string == kGpuFeatureNameAcceleratedCompositing)
+    return kGpuFeatureAcceleratedCompositing;
+  else if (feature_string == kGpuFeatureNameWebgl)
+    return kGpuFeatureWebgl;
+  return kGpuFeatureUnknown;
+}
+