WebGL feature will only enabled when accelerated

content/browser/gpu/compositor_util.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 "content/browser/gpu/compositor_util.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <utility>
@@ skipping 68 matching lines @@
      "Accelerated 2D canvas is unavailable: either disabled via blacklist or"
      " the command line.",
      true},
     {kGpuCompositingFeatureName,
      manager->IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_GPU_COMPOSITING),
      command_line.HasSwitch(switches::kDisableGpuCompositing),
      "Gpu compositing has been disabled, either via blacklist, about:flags"
      " or the command line. The browser will fall back to software compositing"
      " and hardware acceleration will be unavailable.",
      true},
-    {kWebGLFeatureName,
-     manager->IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_WEBGL),
+    {kWebGLFeatureName, !manager->IsWebGLEnabled(),
      command_line.HasSwitch(switches::kDisableExperimentalWebGL),
      "WebGL has been disabled via blacklist or the command line.", false},
     {"flash_3d", manager->IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_FLASH3D),
      command_line.HasSwitch(switches::kDisableFlash3d),
      "Using 3d in flash has been disabled, either via blacklist, about:flags or"
      " the command line.",
      true},
     {"flash_stage3d",
      manager->IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_FLASH_STAGE3D),
      command_line.HasSwitch(switches::kDisableFlashStage3d),
      "Using Stage3d in Flash has been disabled, either via blacklist,"
      " about:flags or the command line.",
      true},
     {"flash_stage3d_baseline",
      manager->IsFeatureBlacklisted(
          gpu::GPU_FEATURE_TYPE_FLASH_STAGE3D_BASELINE) ||
          manager->IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_FLASH_STAGE3D),
      command_line.HasSwitch(switches::kDisableFlashStage3d),
      "Using Stage3d Baseline profile in Flash has been disabled, either"
      " via blacklist, about:flags or the command line.",
      true},
-    {"video_decode", manager->IsFeatureBlacklisted(
-                         gpu::GPU_FEATURE_TYPE_ACCELERATED_VIDEO_DECODE),
+    {"video_decode",
+     manager->IsFeatureBlacklisted(
+         gpu::GPU_FEATURE_TYPE_ACCELERATED_VIDEO_DECODE),
      command_line.HasSwitch(switches::kDisableAcceleratedVideoDecode),
      "Accelerated video decode has been disabled, either via blacklist,"
      " about:flags or the command line.",
      true},
 #if BUILDFLAG(ENABLE_WEBRTC)
-    {"video_encode", manager->IsFeatureBlacklisted(
-                         gpu::GPU_FEATURE_TYPE_ACCELERATED_VIDEO_ENCODE),
+    {"video_encode",
+     manager->IsFeatureBlacklisted(
+         gpu::GPU_FEATURE_TYPE_ACCELERATED_VIDEO_ENCODE),
      command_line.HasSwitch(switches::kDisableWebRtcHWEncoding),
      "Accelerated video encode has been disabled, either via blacklist,"
      " about:flags or the command line.",
      true},
 #endif
 #if defined(OS_CHROMEOS)
     {"panel_fitting",
      manager->IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_PANEL_FITTING),
      command_line.HasSwitch(switches::kDisablePanelFitting),
      "Panel fitting has been disabled, either via blacklist, about:flags or"
      " the command line.",
      false},
 #endif
     {kRasterizationFeatureName,
      IsGpuRasterizationBlacklisted() && !IsGpuRasterizationEnabled() &&
          !IsForceGpuRasterizationEnabled(),
      !IsGpuRasterizationEnabled() && !IsForceGpuRasterizationEnabled() &&
          !IsGpuRasterizationBlacklisted(),
      "Accelerated rasterization has been disabled, either via blacklist,"
      " about:flags or the command line.",
      true},
     {kMultipleRasterThreadsFeatureName, false,
      NumberOfRendererRasterThreads() == 1, "Raster is using a single thread.",
      false},
     {kNativeGpuMemoryBuffersFeatureName, false,
      !gpu::AreNativeGpuMemoryBuffersEnabled(),
      "Native GpuMemoryBuffers have been disabled, either via about:flags"
      " or command line.",
      true},
-    {"vpx_decode", manager->IsFeatureBlacklisted(
-                       gpu::GPU_FEATURE_TYPE_ACCELERATED_VPX_DECODE) ||
-                       manager->IsFeatureBlacklisted(
-                           gpu::GPU_FEATURE_TYPE_ACCELERATED_VIDEO_DECODE),
+    {"vpx_decode",
+     manager->IsFeatureBlacklisted(
+         gpu::GPU_FEATURE_TYPE_ACCELERATED_VPX_DECODE) ||
+         manager->IsFeatureBlacklisted(
+             gpu::GPU_FEATURE_TYPE_ACCELERATED_VIDEO_DECODE),
      accelerated_vpx_disabled,
      "Accelerated VPx video decode has been disabled, either via blacklist"
      " or the command line.",
      true},
     {kWebGL2FeatureName,
      manager->IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_WEBGL2),
      command_line.HasSwitch(switches::kDisableES3APIs),
      "WebGL2 has been disabled via blacklist or the command line.", false},
   };
   DCHECK(index < arraysize(kGpuFeatureInfo));
@@ skipping 236 matching lines @@
     }
   }
   return problem_list;
 }
 
 std::vector<std::string> GetDriverBugWorkarounds() {
   return GpuDataManagerImpl::GetInstance()->GetDriverBugWorkarounds();
 }
 
 }  // namespace content