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d3d12: Only check H264 video caps if configuration changed between frames

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Reviewed-by: Pohsiang (John) Hsu <pohhsu@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37982>
This commit is contained in:
Silvio Vilerino
2025-10-19 00:39:24 -04:00
committed by Pohsiang (John) Hsu
parent 8fd82cb339
commit e4d8a49fcd
1 changed files with 49 additions and 7 deletions
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src/gallium/drivers/d3d12/d3d12_video_enc_h264.cpp
+49 -7
View File
@@ -1067,16 +1067,58 @@ d3d12_video_encoder_update_current_encoder_config_state_h264(struct d3d12_video_
/// Check for video encode support detailed capabilities
///
// Define flags that require re-querying driver capabilities
static const d3d12_video_encoder_config_dirty_flags caps_affecting_flags =
(d3d12_video_encoder_config_dirty_flags)(
d3d12_video_encoder_config_dirty_flag_codec |
d3d12_video_encoder_config_dirty_flag_profile |
d3d12_video_encoder_config_dirty_flag_level |
d3d12_video_encoder_config_dirty_flag_codec_config |
d3d12_video_encoder_config_dirty_flag_input_format |
d3d12_video_encoder_config_dirty_flag_resolution |
d3d12_video_encoder_config_dirty_flag_slices |
d3d12_video_encoder_config_dirty_flag_gop |
d3d12_video_encoder_config_dirty_flag_motion_precision_limit |
d3d12_video_encoder_config_dirty_flag_intra_refresh
);
// Calculate effective dirty flags including configuration changes not tracked by dirty flags
// as there are set in d3d12_video_enc.cpp later in the encoding process
d3d12_video_encoder_config_dirty_flags effective_dirty_flags = pD3D12Enc->m_currentEncodeConfig.m_ConfigDirtyFlags;
if (!pD3D12Enc->m_prevFrameEncodeConfig.m_encoderRateControlDesc[pD3D12Enc->m_currentEncodeConfig.m_activeRateControlIndex]
.CompareEqual(pD3D12Enc->m_currentEncodeConfig.m_encoderRateControlDesc[pD3D12Enc->m_currentEncodeConfig.m_activeRateControlIndex])) {
effective_dirty_flags |= d3d12_video_encoder_config_dirty_flag_rate_control;
}
if (memcmp(&pD3D12Enc->m_prevFrameEncodeConfig.m_DirtyRectsDesc,
&pD3D12Enc->m_currentEncodeConfig.m_DirtyRectsDesc,
sizeof(pD3D12Enc->m_currentEncodeConfig.m_DirtyRectsDesc)) != 0) {
effective_dirty_flags |= d3d12_video_encoder_config_dirty_flag_dirty_regions;
}
// Will call for d3d12 driver support based on the initial requested features, then
// try to fallback if any of them is not supported and return the negotiated d3d12 settings
D3D12_FEATURE_DATA_VIDEO_ENCODER_SUPPORT2 capEncoderSupportData2 = {};
if (!d3d12_video_encoder_negotiate_requested_features_and_d3d12_driver_caps(pD3D12Enc, capEncoderSupportData2)) {
debug_printf("[d3d12_video_encoder_h264] After negotiating caps, D3D12_FEATURE_VIDEO_ENCODER_SUPPORT1 "
"arguments are not supported - "
"ValidationFlags: 0x%x - SupportFlags: 0x%x\n",
capEncoderSupportData2.ValidationFlags,
capEncoderSupportData2.SupportFlags);
return false;
// Only query driver caps if configuration parameters that affect capabilities have changed
if ((effective_dirty_flags & (caps_affecting_flags | d3d12_video_encoder_config_dirty_flag_rate_control | d3d12_video_encoder_config_dirty_flag_dirty_regions)) != 0) {
debug_printf("[d3d12_video_encoder_h264] Configuration changed - performing CheckFeatureSupport driver capability query (fenceValue: %" PRIu64 ", effectiveDirtyFlags: 0x%x)\n",
pD3D12Enc->m_fenceValue,
effective_dirty_flags);
if (!d3d12_video_encoder_negotiate_requested_features_and_d3d12_driver_caps(pD3D12Enc, capEncoderSupportData2)) {
debug_printf("[d3d12_video_encoder_h264] After negotiating caps, D3D12_FEATURE_VIDEO_ENCODER_SUPPORT2 "
"arguments are not supported - "
"ValidationFlags: 0x%x - SupportFlags: 0x%x\n",
capEncoderSupportData2.ValidationFlags,
capEncoderSupportData2.SupportFlags);
return false;
}
} else {
debug_printf("[d3d12_video_encoder_h264] No configuration changes detected - skipping expensive driver query and reusing cached capabilities (fenceValue: %" PRIu64 ")\n", pD3D12Enc->m_fenceValue);
// Copy capabilities from previous frame to avoid expensive driver query
capEncoderSupportData2.SupportFlags = pD3D12Enc->m_currentEncodeCapabilities.m_SupportFlags;
capEncoderSupportData2.ValidationFlags = pD3D12Enc->m_currentEncodeCapabilities.m_ValidationFlags;
// Note: m_currentResolutionSupportCaps and other capability data remain valid from previous query
}
///