From b3e7404312f1d33cae93d7f00561904550c94146 Mon Sep 17 00:00:00 2001
From: Mengkejiergeli Ba <mengkejiergeli.ba@intel.com>
Date: Thu, 20 Jul 2023 15:46:32 +0800
Subject: [PATCH] msdkvpp: Add compute scaling mode

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5128>
---
 .../gst-plugins-bad/sys/msdk/gstmsdkvpp.c     | 21 ++++++++++++++-----
 .../gst-plugins-bad/sys/msdk/msdk-enums.c     |  4 ++++
 2 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/subprojects/gst-plugins-bad/sys/msdk/gstmsdkvpp.c b/subprojects/gst-plugins-bad/sys/msdk/gstmsdkvpp.c
index 6e021f053a..d8fb773974 100644
--- a/subprojects/gst-plugins-bad/sys/msdk/gstmsdkvpp.c
+++ b/subprojects/gst-plugins-bad/sys/msdk/gstmsdkvpp.c
@@ -1076,11 +1076,22 @@ ensure_filters (GstMsdkVPP * thiz)
 
   /* Scaling Mode */
   if (thiz->flags & GST_MSDK_FLAG_SCALING_MODE) {
-    mfxExtVPPScaling *mfx_scaling = &thiz->mfx_scaling;
-    mfx_scaling->Header.BufferId = MFX_EXTBUFF_VPP_SCALING;
-    mfx_scaling->Header.BufferSz = sizeof (mfxExtVPPScaling);
-    mfx_scaling->ScalingMode = thiz->scaling_mode;
-    gst_msdkvpp_add_extra_param (thiz, (mfxExtBuffer *) mfx_scaling);
+    gboolean scaling_mode_is_compute = FALSE;
+#if (MFX_VERSION >= 2007)
+    if (thiz->scaling_mode == MFX_SCALING_MODE_INTEL_GEN_COMPUTE)
+      scaling_mode_is_compute = TRUE;
+#endif
+    if (MFX_RUNTIME_VERSION_ATLEAST (thiz->version, 2, 7) ||
+        !scaling_mode_is_compute) {
+      mfxExtVPPScaling *mfx_scaling = &thiz->mfx_scaling;
+      mfx_scaling->Header.BufferId = MFX_EXTBUFF_VPP_SCALING;
+      mfx_scaling->Header.BufferSz = sizeof (mfxExtVPPScaling);
+      mfx_scaling->ScalingMode = thiz->scaling_mode;
+      gst_msdkvpp_add_extra_param (thiz, (mfxExtBuffer *) mfx_scaling);
+    } else {
+      GST_WARNING_OBJECT (thiz,
+          "Compute scaling mode not supported, ignore it...");
+    }
   }
 
   /* FRC */
diff --git a/subprojects/gst-plugins-bad/sys/msdk/msdk-enums.c b/subprojects/gst-plugins-bad/sys/msdk/msdk-enums.c
index cd0de2a4df..79ec767227 100644
--- a/subprojects/gst-plugins-bad/sys/msdk/msdk-enums.c
+++ b/subprojects/gst-plugins-bad/sys/msdk/msdk-enums.c
@@ -371,6 +371,10 @@ gst_msdkvpp_scaling_mode_get_type (void)
     {MFX_SCALING_MODE_DEFAULT, "Default Scaling", "disable"},
     {MFX_SCALING_MODE_LOWPOWER, "Lowpower Scaling", "lowpower"},
     {MFX_SCALING_MODE_QUALITY, "High Quality Scaling", "quality"},
+#if (MFX_VERSION >= 2007)
+    {MFX_SCALING_MODE_INTEL_GEN_COMPUTE,
+        "Compute Mode Scaling (running on EUs)", "compute"},
+#endif
     {0, NULL, NULL}
   };