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-rw-r--r--check-for-enable-accelerated-video-decode-on-Linux.patch43
1 files changed, 43 insertions, 0 deletions
diff --git a/check-for-enable-accelerated-video-decode-on-Linux.patch b/check-for-enable-accelerated-video-decode-on-Linux.patch
new file mode 100644
index 0000000..a0d5468
--- /dev/null
+++ b/check-for-enable-accelerated-video-decode-on-Linux.patch
@@ -0,0 +1,43 @@
+From 54deb9811ca9bd2327def5c05ba6987b8c7a0897 Mon Sep 17 00:00:00 2001
+From: Evangelos Foutras <evangelos@foutrelis.com>
+Date: Tue, 29 Sep 2020 01:02:22 +0000
+Subject: [PATCH] Check for enable-accelerated-video-decode on Linux
+
+Video decoding was being accelerated on Linux even though the newly
+added "enable-accelerated-video-decode" flag was not specified. The
+chrome://gpu page was misleadingly showing this feature as disabled:
+
+ > Video Decode: Software only. Hardware acceleration disabled
+
+This change adds a check for --enable-accelerated-video-decode when
+considering if video decoding should be activated. (Only on Linux.)
+
+Extra context: https://crbug.com/1097029#c18 (and also comment 20).
+
+Bug: 1066176, 1097029
+Change-Id: I534115f5f6ceed0ee3511fcf5c2d0f1dd04b9b7e
+Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2431434
+Reviewed-by: John Abd-El-Malek <jam@chromium.org>
+Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
+Commit-Queue: Ted Meyer <tmathmeyer@chromium.org>
+Cr-Commit-Position: refs/heads/master@{#811480}
+---
+ content/renderer/render_thread_impl.cc | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/content/renderer/render_thread_impl.cc b/content/renderer/render_thread_impl.cc
+index f13c94ddab7..0352f127171 100644
+--- a/content/renderer/render_thread_impl.cc
++++ b/content/renderer/render_thread_impl.cc
+@@ -1121,7 +1121,11 @@ media::GpuVideoAcceleratorFactories* RenderThreadImpl::GetGpuFactories() {
+ kGpuStreamPriorityMedia);
+
+ const bool enable_video_accelerator =
++#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
++ cmd_line->HasSwitch(switches::kEnableAcceleratedVideoDecode) &&
++#else
+ !cmd_line->HasSwitch(switches::kDisableAcceleratedVideoDecode) &&
++#endif // defined(OS_LINUX) && !defined(OS_CHROMEOS)
+ (gpu_channel_host->gpu_feature_info()
+ .status_values[gpu::GPU_FEATURE_TYPE_ACCELERATED_VIDEO_DECODE] ==
+ gpu::kGpuFeatureStatusEnabled);