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"
+
+const char GpuFeatureFlags::kGpuFeatureNameAccelerated2dCanvas[] =
+    "accelerated_2d_canvas";
+const char GpuFeatureFlags::kGpuFeatureNameAcceleratedCompositing[] =
+    "accelerated_compositing";
+const char GpuFeatureFlags::kGpuFeatureNameWebgl[] = "webgl";
+const char GpuFeatureFlags::kGpuFeatureNameAny[] = "any";
+
+GpuFeatureFlags::GpuFeatureFlags()
+    : is_accelerated_2d_canvas_blacklisted_(false),
+      is_accelerated_compositing_blacklisted_(false),
+      is_webgl_blacklisted_(false) {
+}
+
+void GpuFeatureFlags::SetFlags(bool is_accelerated_2d_canvas_blacklisted,
+                               bool is_accelerated_compositing_blacklisted,
+                               bool is_webgl_blacklisted) {
+  is_accelerated_2d_canvas_blacklisted_ = is_accelerated_2d_canvas_blacklisted;
+  is_accelerated_compositing_blacklisted_ =
+      is_accelerated_compositing_blacklisted;
+  is_webgl_blacklisted_ = is_webgl_blacklisted;
+}
+
+bool GpuFeatureFlags::is_accelerated_2d_canvas_blacklisted() const {
+  return is_accelerated_2d_canvas_blacklisted_;
+}
+
+bool GpuFeatureFlags::is_accelerated_compositing_blacklisted() const {
+  return is_accelerated_compositing_blacklisted_;
+}
+
+bool GpuFeatureFlags::is_webgl_blacklisted() const {
+  return is_webgl_blacklisted_;
+}
+
+void GpuFeatureFlags::Combine(const GpuFeatureFlags& other) {
+  is_accelerated_2d_canvas_blacklisted_ =
+      (is_accelerated_2d_canvas_blacklisted_ ||
+       other.is_accelerated_2d_canvas_blacklisted_);
+  is_accelerated_compositing_blacklisted_ =
+      (is_accelerated_compositing_blacklisted_ ||
+       other.is_accelerated_compositing_blacklisted_);
+  is_webgl_blacklisted_ =
+      (is_webgl_blacklisted_ || other.is_webgl_blacklisted_);
+}
+
+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;
+  else if (feature_string == kGpuFeatureNameAny)
+    return kGpuFeatureAny;
+  return kGpuFeatureUnknown;
+}
+