Bug 1831038 [Linux] Init FEATURE_*_HW_DECODE features according to VA-API test results r=emilio

Depends on D177021

Differential Revision: https://phabricator.services.mozilla.com/D177022

widget/gtk/GfxInfo.cpp

@@ -679,21 +679,21 @@ void GfxInfo::GetDataVAAPI() {
         gfxCriticalNote << "vaapitest: Failed to get VAAPI codecs\n";
         return;
       }
-      int codecs = 0;
-      std::istringstream(line) >> codecs;
-      if (codecs & CODEC_HW_H264) {
+
+      std::istringstream(line) >> mVAAPISupportedCodecs;
+      if (mVAAPISupportedCodecs & CODEC_HW_H264) {
         media::MCSInfo::AddSupport(
             media::MediaCodecsSupport::H264HardwareDecode);
       }
-      if (codecs & CODEC_HW_VP8) {
+      if (mVAAPISupportedCodecs & CODEC_HW_VP8) {
         media::MCSInfo::AddSupport(
             media::MediaCodecsSupport::VP8HardwareDecode);
       }
-      if (codecs & CODEC_HW_VP9) {
+      if (mVAAPISupportedCodecs & CODEC_HW_VP9) {
         media::MCSInfo::AddSupport(
             media::MediaCodecsSupport::VP9HardwareDecode);
       }
-      if (codecs & CODEC_HW_AV1) {
+      if (mVAAPISupportedCodecs & CODEC_HW_AV1) {
         media::MCSInfo::AddSupport(
             media::MediaCodecsSupport::AV1HardwareDecode);
       }
@@ -1129,6 +1129,27 @@ nsresult GfxInfo::GetFeatureStatusImpl(
     }
   }
 
+  const struct {
+    int32_t mFeature;
+    int32_t mCodec;
+  } kFeatureToCodecs[] = {{nsIGfxInfo::FEATURE_H264_HW_DECODE, CODEC_HW_H264},
+                          {nsIGfxInfo::FEATURE_VP8_HW_DECODE, CODEC_HW_VP8},
+                          {nsIGfxInfo::FEATURE_VP9_HW_DECODE, CODEC_HW_VP9},
+                          {nsIGfxInfo::FEATURE_AV1_HW_DECODE, CODEC_HW_AV1}};
+
+  for (const auto& pair : kFeatureToCodecs) {
+    if (aFeature != pair.mFeature) {
+      continue;
+    }
+    if (mVAAPISupportedCodecs & pair.mCodec) {
+      *aStatus = nsIGfxInfo::FEATURE_STATUS_OK;
+    } else {
+      *aStatus = nsIGfxInfo::FEATURE_BLOCKED_PLATFORM_TEST;
+      aFailureId = "FEATURE_FAILURE_VIDEO_DECODING_MISSING";
+    }
+    return NS_OK;
+  }
+
   auto ret = GfxInfoBase::GetFeatureStatusImpl(
       aFeature, aStatus, aSuggestedDriverVersion, aDriverInfo, aFailureId, &os);
 

widget/gtk/GfxInfo.h

@@ -118,6 +118,7 @@ class GfxInfo final : public GfxInfoBase {
   bool mHasMultipleGPUs;
   bool mGlxTestError;
   mozilla::Maybe<bool> mIsVAAPISupported;
+  int mVAAPISupportedCodecs = 0;
 
   static int sGLXTestPipe;
   static pid_t sGLXTestPID;