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

chrome/renderer/render_thread.cc

Index: chrome/renderer/render_thread.cc
===================================================================
--- chrome/renderer/render_thread.cc	(revision 68066)
+++ chrome/renderer/render_thread.cc	(working copy)
@@ -1079,18 +1079,27 @@
 }
 
 void RenderThread::OnGpuChannelEstablished(
-    const IPC::ChannelHandle& channel_handle, const GPUInfo& gpu_info) {
+    const IPC::ChannelHandle& channel_handle,
+    const GPUInfo& gpu_info,
+    const GpuFeatureFlags& gpu_feature_flags) {
 #if defined(OS_POSIX)
   // If we received a ChannelHandle, register it now.
   if (channel_handle.socket.fd >= 0)
     IPC::AddChannelSocket(channel_handle.name, channel_handle.socket.fd);
 #endif
 
-  gpu_channel_->set_gpu_info(gpu_info);
-
   if (channel_handle.name.size() != 0) {
-    // Connect to the GPU process if a channel name was received.
-    gpu_channel_->Connect(channel_handle.name);
+    if (gpu_feature_flags.is_accelerated_2d_canvas_blacklisted() ||
+        gpu_feature_flags.is_accelerated_compositing_blacklisted() ||
+        gpu_feature_flags.is_webgl_blacklisted()) {
+      // If any GPU feature is blacklisted, cancel the connection.
+      gpu_channel_ = NULL;
+    } else {
+      // Connect to the GPU process if a channel name was received.
+      gpu_channel_->set_gpu_info(gpu_info);
+      gpu_channel_->set_gpu_feature_flags(gpu_feature_flags);
+      gpu_channel_->Connect(channel_handle.name);
+    }
   } else {
     // Otherwise cancel the connection.
     gpu_channel_ = NULL;