From 077b9930384801a0ffa2e102827630f465134ec2 Mon Sep 17 00:00:00 2001
From: ZhuChenyanX <zhucx@intel.com>
Date: Tue, 9 Jul 2024 07:44:02 +0000
Subject: [PATCH] Add legacy dataspace value supporting

In case of legacy dataspace value is passed down by
framework/av/media code.

Tracked-On: OAM-122156
Signed-off-by: ZhuChenyanX <zhucx@intel.com>
---
 src/util/u_gralloc/u_gralloc_imapper4_api.cpp | 36 +++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/src/util/u_gralloc/u_gralloc_imapper4_api.cpp b/src/util/u_gralloc/u_gralloc_imapper4_api.cpp
index dc1980f6a99..986088cb4db 100644
--- a/src/util/u_gralloc/u_gralloc_imapper4_api.cpp
+++ b/src/util/u_gralloc/u_gralloc_imapper4_api.cpp
@@ -209,6 +209,34 @@ mapper4_get_buffer_basic_info(struct u_gralloc *gralloc,
    return 0;
 }
 
+static __inline__ Dataspace
+_legacy_dataspace_to_v0(Dataspace ds)
+{
+   switch((android_dataspace_t)ds) {
+      case HAL_DATASPACE_SRGB:
+         ds = Dataspace::SRGB;
+         break;
+      case HAL_DATASPACE_BT709:
+         ds = Dataspace::BT709;
+         break;
+      case HAL_DATASPACE_SRGB_LINEAR:
+         ds = Dataspace::SRGB_LINEAR;
+         break;
+      case HAL_DATASPACE_BT601_525:
+         ds = Dataspace::BT601_525;
+         break;
+      case HAL_DATASPACE_BT601_625:
+         ds = Dataspace::BT601_625;
+         break;
+      case HAL_DATASPACE_JFIF:
+         ds = Dataspace::JFIF;
+         break;
+      default:
+         break;
+   }
+   return ds;
+}
+
 static int
 mapper4_get_buffer_color_info(struct u_gralloc *gralloc,
                               struct u_gralloc_buffer_handle *hnd,
@@ -262,6 +290,14 @@ mapper4_get_buffer_color_info(struct u_gralloc *gralloc,
       if (status != android::OK)
          return -EINVAL;
 
+      // The dataspace value passed down might be a legacy value,
+      // which does not comply with the pattern:
+      // (Standard << 16) |(Transfer << 22) | (Range << 27)
+      // Just convert the legacy value to v0 value,
+      // according to standard “hardware/interfaces/graphics/common/1.0/types.hal”.
+      if ((int)dataspace & 0xffff)
+         dataspace = _legacy_dataspace_to_v0(dataspace);
+
       Dataspace standard =
          (Dataspace)((int)dataspace & (uint32_t)Dataspace::STANDARD_MASK);
       switch (standard) {