Merge changes I2b89dce1,I5412eae0,I2e428ec1 into pi-dev am: 990cc3e31d
am: d828b8f5f5

Change-Id: I5f8173f6cb7505355d4d89f554d0e6389e1ed384
diff --git a/libs/vr/libvrflinger/Android.bp b/libs/vr/libvrflinger/Android.bp
index 23a9853..3e4a42c 100644
--- a/libs/vr/libvrflinger/Android.bp
+++ b/libs/vr/libvrflinger/Android.bp
@@ -39,6 +39,7 @@
     "android.frameworks.vr.composer@1.0",
     "android.hardware.graphics.allocator@2.0",
     "android.hardware.graphics.composer@2.1",
+    "android.hardware.graphics.composer@2.2",
     "libbinder",
     "libbase",
     "libbufferhubqueue",
@@ -62,6 +63,7 @@
 
 headerLibraries = [
     "android.hardware.graphics.composer@2.1-command-buffer",
+    "android.hardware.graphics.composer@2.2-command-buffer",
     "libdvr_headers",
     "libsurfaceflinger_headers",
 ]
diff --git a/opengl/libs/EGL/eglApi.cpp b/opengl/libs/EGL/eglApi.cpp
index 46e7a97..b453d19 100644
--- a/opengl/libs/EGL/eglApi.cpp
+++ b/opengl/libs/EGL/eglApi.cpp
@@ -87,6 +87,8 @@
         "EGL_ANDROID_get_native_client_buffer "
         "EGL_ANDROID_front_buffer_auto_refresh "
         "EGL_ANDROID_get_frame_timestamps "
+        "EGL_EXT_surface_SMPTE2086_metadata "
+        "EGL_EXT_surface_CTA861_3_metadata "
         ;
 
 char const * const gExtensionString  =
@@ -240,8 +242,6 @@
          !strcmp((procname), "eglHibernateProcessIMG")      ||    \
          !strcmp((procname), "eglAwakenProcessIMG"))
 
-
-
 // accesses protected by sExtensionMapMutex
 static std::unordered_map<std::string, __eglMustCastToProperFunctionPointerType> sGLExtentionMap;
 
@@ -476,26 +476,61 @@
     return dataSpace;
 }
 
-// Return true if we stripped any EGL_GL_COLORSPACE_KHR or HDR metadata attributes.
-// Protect devices from attributes they don't recognize that are  managed by Android
+// stripAttributes is used by eglCreateWindowSurface, eglCreatePbufferSurface
+// and eglCreatePixmapSurface to clean up color space related Window parameters
+// that a driver does not advertise support for.
+// Return true if stripped_attrib_list has stripped contents.
+
 static EGLBoolean stripAttributes(egl_display_ptr dp, const EGLint* attrib_list,
                                   EGLint format,
                                   std::vector<EGLint>& stripped_attrib_list) {
     std::vector<EGLint> allowedColorSpaces;
+    bool haveColorSpaceSupport = dp->haveExtension("EGL_KHR_gl_colorspace");
     switch (format) {
         case HAL_PIXEL_FORMAT_RGBA_8888:
-        case HAL_PIXEL_FORMAT_RGB_565:
-            // driver okay with linear & sRGB for 8888, but can't handle
-            // Display-P3 or other spaces.
-            allowedColorSpaces.push_back(EGL_GL_COLORSPACE_SRGB_KHR);
-            allowedColorSpaces.push_back(EGL_GL_COLORSPACE_LINEAR_KHR);
+            if (haveColorSpaceSupport) {
+                // Spec says:
+                //     [fn1] Only OpenGL and OpenGL ES contexts which support sRGB
+                //     rendering must respect requests for EGL_GL_COLORSPACE_SRGB_KHR, and
+                //     only to sRGB formats supported by the context (normally just SRGB8)
+                //     Older versions not supporting sRGB rendering will ignore this
+                //     surface attribute.
+                //
+                // We support sRGB and pixel format is SRGB8, so allow
+                // the EGL_GL_COLORSPACE_SRGB_KHR and
+                // EGL_GL_COLORSPACE_LINEAR_KHR
+                // colorspaces to be specified.
+
+                allowedColorSpaces.push_back(EGL_GL_COLORSPACE_SRGB_KHR);
+                allowedColorSpaces.push_back(EGL_GL_COLORSPACE_LINEAR_KHR);
+            }
+            if (findExtension(dp->disp.queryString.extensions,
+                                  "EGL_EXT_gl_colorspace_display_p3_linear")) {
+                allowedColorSpaces.push_back(EGL_GL_COLORSPACE_DISPLAY_P3_LINEAR_EXT);
+            }
+            if (findExtension(dp->disp.queryString.extensions,
+                                  "EGL_EXT_gl_colorspace_display_p3")) {
+                allowedColorSpaces.push_back(EGL_GL_COLORSPACE_DISPLAY_P3_EXT);
+            }
+            if (findExtension(dp->disp.queryString.extensions,
+                                  "EGL_EXT_gl_colorspace_bt2020_linear")) {
+                allowedColorSpaces.push_back(EGL_GL_COLORSPACE_BT2020_LINEAR_EXT);
+            }
+            if (findExtension(dp->disp.queryString.extensions,
+                                  "EGL_EXT_gl_colorspace_bt2020_pq")) {
+                allowedColorSpaces.push_back(EGL_GL_COLORSPACE_BT2020_PQ_EXT);
+            }
+            if (findExtension(dp->disp.queryString.extensions,
+                                  "EGL_EXT_gl_colorspace_scrgb_linear")) {
+                allowedColorSpaces.push_back(EGL_GL_COLORSPACE_SCRGB_LINEAR_EXT);
+            }
             break;
 
         case HAL_PIXEL_FORMAT_RGBA_FP16:
         case HAL_PIXEL_FORMAT_RGBA_1010102:
-        default:
-            // driver does not want to see colorspace attributes for 1010102 or fp16.
+        case HAL_PIXEL_FORMAT_RGB_565:
             // Future: if driver supports XXXX extension, we can pass down that colorspace
+        default:
             break;
     }
 
@@ -513,40 +548,23 @@
                             found = true;
                         }
                     }
-                    if (found || !dp->haveExtension("EGL_KHR_gl_colorspace")) {
+                    if (found) {
+                        // Found supported attribute
+                        stripped_attrib_list.push_back(attr[0]);
+                        stripped_attrib_list.push_back(attr[1]);
+                    } else if (!haveColorSpaceSupport) {
+                        // Device does not support colorspace extension
+                        // pass on the attribute and let downstream
+                        // components validate like normal
                         stripped_attrib_list.push_back(attr[0]);
                         stripped_attrib_list.push_back(attr[1]);
                     } else {
+                        // Found supported attribute that driver does not
+                        // support, strip it.
                         stripped = true;
                     }
                 }
                 break;
-            case EGL_SMPTE2086_DISPLAY_PRIMARY_RX_EXT:
-            case EGL_SMPTE2086_DISPLAY_PRIMARY_RY_EXT:
-            case EGL_SMPTE2086_DISPLAY_PRIMARY_GX_EXT:
-            case EGL_SMPTE2086_DISPLAY_PRIMARY_GY_EXT:
-            case EGL_SMPTE2086_DISPLAY_PRIMARY_BX_EXT:
-            case EGL_SMPTE2086_DISPLAY_PRIMARY_BY_EXT:
-            case EGL_SMPTE2086_WHITE_POINT_X_EXT:
-            case EGL_SMPTE2086_WHITE_POINT_Y_EXT:
-            case EGL_SMPTE2086_MAX_LUMINANCE_EXT:
-            case EGL_SMPTE2086_MIN_LUMINANCE_EXT:
-                if (dp->haveExtension("EGL_EXT_surface_SMPTE2086_metadata")) {
-                    stripped = true;
-                } else {
-                    stripped_attrib_list.push_back(attr[0]);
-                    stripped_attrib_list.push_back(attr[1]);
-                }
-                break;
-            case EGL_CTA861_3_MAX_CONTENT_LIGHT_LEVEL_EXT:
-            case EGL_CTA861_3_MAX_FRAME_AVERAGE_LEVEL_EXT:
-                if (dp->haveExtension("EGL_EXT_surface_CTA861_3_metadata")) {
-                    stripped = true;
-                } else {
-                    stripped_attrib_list.push_back(attr[0]);
-                    stripped_attrib_list.push_back(attr[1]);
-                }
-                break;
             default:
                 stripped_attrib_list.push_back(attr[0]);
                 stripped_attrib_list.push_back(attr[1]);
@@ -700,34 +718,26 @@
     }
 }
 
-EGLBoolean setSurfaceMetadata(egl_surface_t* s, NativeWindowType window,
-                              const EGLint *attrib_list) {
-    // set any HDR metadata
-    bool smpte2086 = false;
-    bool cta8613 = false;
-    if (attrib_list == nullptr) return EGL_TRUE;
-
-    for (const EGLint* attr = attrib_list; attr[0] != EGL_NONE; attr += 2) {
-        smpte2086 |= s->setSmpte2086Attribute(attr[0], attr[1]);
-        cta8613 |= s->setCta8613Attribute(attr[0], attr[1]);
-    }
-    if (smpte2086) {
-        android_smpte2086_metadata metadata = s->getSmpte2086Metadata();
-        int err = native_window_set_buffers_smpte2086_metadata(window, &metadata);
+EGLBoolean sendSurfaceMetadata(egl_surface_t* s) {
+    android_smpte2086_metadata smpteMetadata;
+    if (s->getSmpte2086Metadata(smpteMetadata)) {
+        int err =
+                native_window_set_buffers_smpte2086_metadata(s->getNativeWindow(), &smpteMetadata);
+        s->resetSmpte2086Metadata();
         if (err != 0) {
             ALOGE("error setting native window smpte2086 metadata: %s (%d)",
                   strerror(-err), err);
-            native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
             return EGL_FALSE;
         }
     }
-    if (cta8613) {
-        android_cta861_3_metadata metadata = s->getCta8613Metadata();
-        int err = native_window_set_buffers_cta861_3_metadata(window, &metadata);
+    android_cta861_3_metadata cta8613Metadata;
+    if (s->getCta8613Metadata(cta8613Metadata)) {
+        int err =
+                native_window_set_buffers_cta861_3_metadata(s->getNativeWindow(), &cta8613Metadata);
+        s->resetCta8613Metadata();
         if (err != 0) {
             ALOGE("error setting native window CTS 861.3 metadata: %s (%d)",
                   strerror(-err), err);
-            native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
             return EGL_FALSE;
         }
     }
@@ -812,11 +822,7 @@
         if (surface != EGL_NO_SURFACE) {
             egl_surface_t* s =
                     new egl_surface_t(dp.get(), config, window, surface, colorSpace, cnx);
-
-            if (setSurfaceMetadata(s, window, origAttribList)) {
-                return s;
-            }
-            eglDestroySurface(dpy, s);
+            return s;
         }
 
         // EGLSurface creation failed
@@ -1424,7 +1430,7 @@
     if (!_s.get())
         return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
 
-    egl_surface_t const * const s = get_surface(draw);
+    egl_surface_t* const s = get_surface(draw);
 
     if (CC_UNLIKELY(dp->traceGpuCompletion)) {
         EGLSyncKHR sync = eglCreateSyncKHR(dpy, EGL_SYNC_FENCE_KHR, NULL);
@@ -1443,6 +1449,11 @@
         }
     }
 
+    if (!sendSurfaceMetadata(s)) {
+        native_window_api_disconnect(s->getNativeWindow(), NATIVE_WINDOW_API_EGL);
+        return setError(EGL_BAD_NATIVE_WINDOW, (EGLBoolean)EGL_FALSE);
+    }
+
     if (n_rects == 0) {
         return s->cnx->egl.eglSwapBuffers(dp->disp.dpy, s->surface);
     }
diff --git a/opengl/libs/EGL/egl_display.cpp b/opengl/libs/EGL/egl_display.cpp
index 0f36614..74ddd1c 100644
--- a/opengl/libs/EGL/egl_display.cpp
+++ b/opengl/libs/EGL/egl_display.cpp
@@ -51,8 +51,11 @@
 
 // ----------------------------------------------------------------------------
 
-static bool findExtension(const char* exts, const char* name, size_t nameLen) {
+bool findExtension(const char* exts, const char* name, size_t nameLen) {
     if (exts) {
+        if (!nameLen) {
+            nameLen = strlen(name);
+        }
         for (const char* match = strstr(exts, name); match; match = strstr(match + nameLen, name)) {
             if (match[nameLen] == '\0' || match[nameLen] == ' ') {
                 return true;
@@ -226,11 +229,6 @@
                     "EGL_EXT_gl_colorspace_bt2020_linear EGL_EXT_gl_colorspace_bt2020_pq ");
         }
 
-        // Always advertise HDR metadata extensions since it's okay for an application
-        // to specify such information even though it may not be used by the system.
-        mExtensionString.append(
-                "EGL_EXT_surface_SMPTE2086_metadata EGL_EXT_surface_CTA861_3_metadata ");
-
         char const* start = gExtensionString;
         do {
             // length of the extension name
diff --git a/opengl/libs/EGL/egl_display.h b/opengl/libs/EGL/egl_display.h
index 661f47e..ccd333d 100644
--- a/opengl/libs/EGL/egl_display.h
+++ b/opengl/libs/EGL/egl_display.h
@@ -42,6 +42,8 @@
 class egl_context_t;
 struct egl_connection_t;
 
+bool findExtension(const char* exts, const char* name, size_t nameLen = 0);
+
 // ----------------------------------------------------------------------------
 
 class EGLAPI egl_display_t { // marked as EGLAPI for testing purposes
diff --git a/opengl/libs/EGL/egl_object.cpp b/opengl/libs/EGL/egl_object.cpp
index b68fd61..f879254 100644
--- a/opengl/libs/EGL/egl_object.cpp
+++ b/opengl/libs/EGL/egl_object.cpp
@@ -64,8 +64,17 @@
         cnx(cnx),
         connected(true),
         colorSpace(colorSpace),
-        egl_smpte2086_metadata({}),
-        egl_cta861_3_metadata({}) {
+        egl_smpte2086_dirty(false),
+        egl_cta861_3_dirty(false) {
+    egl_smpte2086_metadata.displayPrimaryRed = { EGL_DONT_CARE, EGL_DONT_CARE };
+    egl_smpte2086_metadata.displayPrimaryGreen = { EGL_DONT_CARE, EGL_DONT_CARE };
+    egl_smpte2086_metadata.displayPrimaryBlue = { EGL_DONT_CARE, EGL_DONT_CARE };
+    egl_smpte2086_metadata.whitePoint = { EGL_DONT_CARE, EGL_DONT_CARE };
+    egl_smpte2086_metadata.maxLuminance = EGL_DONT_CARE;
+    egl_smpte2086_metadata.minLuminance = EGL_DONT_CARE;
+    egl_cta861_3_metadata.maxFrameAverageLightLevel = EGL_DONT_CARE;
+    egl_cta861_3_metadata.maxContentLightLevel = EGL_DONT_CARE;
+
     if (win) {
         win->incStrong(this);
     }
@@ -92,33 +101,43 @@
     switch (attribute) {
         case EGL_SMPTE2086_DISPLAY_PRIMARY_RX_EXT:
             egl_smpte2086_metadata.displayPrimaryRed.x = value;
+            egl_smpte2086_dirty = true;
             return EGL_TRUE;
         case EGL_SMPTE2086_DISPLAY_PRIMARY_RY_EXT:
             egl_smpte2086_metadata.displayPrimaryRed.y = value;
+            egl_smpte2086_dirty = true;
             return EGL_TRUE;
         case EGL_SMPTE2086_DISPLAY_PRIMARY_GX_EXT:
             egl_smpte2086_metadata.displayPrimaryGreen.x = value;
+            egl_smpte2086_dirty = true;
             return EGL_TRUE;
         case EGL_SMPTE2086_DISPLAY_PRIMARY_GY_EXT:
             egl_smpte2086_metadata.displayPrimaryGreen.y = value;
+            egl_smpte2086_dirty = true;
             return EGL_TRUE;
         case EGL_SMPTE2086_DISPLAY_PRIMARY_BX_EXT:
             egl_smpte2086_metadata.displayPrimaryBlue.x = value;
+            egl_smpte2086_dirty = true;
             return EGL_TRUE;
         case EGL_SMPTE2086_DISPLAY_PRIMARY_BY_EXT:
             egl_smpte2086_metadata.displayPrimaryBlue.y = value;
+            egl_smpte2086_dirty = true;
             return EGL_TRUE;
         case EGL_SMPTE2086_WHITE_POINT_X_EXT:
             egl_smpte2086_metadata.whitePoint.x = value;
+            egl_smpte2086_dirty = true;
             return EGL_TRUE;
         case EGL_SMPTE2086_WHITE_POINT_Y_EXT:
             egl_smpte2086_metadata.whitePoint.y = value;
+            egl_smpte2086_dirty = true;
             return EGL_TRUE;
         case EGL_SMPTE2086_MAX_LUMINANCE_EXT:
             egl_smpte2086_metadata.maxLuminance = value;
+            egl_smpte2086_dirty = true;
             return EGL_TRUE;
         case EGL_SMPTE2086_MIN_LUMINANCE_EXT:
             egl_smpte2086_metadata.minLuminance = value;
+            egl_smpte2086_dirty = true;
             return EGL_TRUE;
     }
     return EGL_FALSE;
@@ -128,16 +147,32 @@
     switch (attribute) {
         case EGL_CTA861_3_MAX_CONTENT_LIGHT_LEVEL_EXT:
             egl_cta861_3_metadata.maxContentLightLevel = value;
+            egl_cta861_3_dirty = true;
             return EGL_TRUE;
         case EGL_CTA861_3_MAX_FRAME_AVERAGE_LEVEL_EXT:
             egl_cta861_3_metadata.maxFrameAverageLightLevel = value;
+            egl_cta861_3_dirty = true;
             return EGL_TRUE;
     }
     return EGL_FALSE;
 }
 
-const android_smpte2086_metadata egl_surface_t::getSmpte2086Metadata() {
-    android_smpte2086_metadata metadata;
+EGLBoolean egl_surface_t::getSmpte2086Metadata(android_smpte2086_metadata& metadata) const {
+    if (!egl_smpte2086_dirty) return EGL_FALSE;
+    if (egl_smpte2086_metadata.displayPrimaryRed.x == EGL_DONT_CARE ||
+        egl_smpte2086_metadata.displayPrimaryRed.y == EGL_DONT_CARE ||
+        egl_smpte2086_metadata.displayPrimaryGreen.x == EGL_DONT_CARE ||
+        egl_smpte2086_metadata.displayPrimaryGreen.y == EGL_DONT_CARE ||
+        egl_smpte2086_metadata.displayPrimaryBlue.x == EGL_DONT_CARE ||
+        egl_smpte2086_metadata.displayPrimaryBlue.y == EGL_DONT_CARE ||
+        egl_smpte2086_metadata.whitePoint.x == EGL_DONT_CARE ||
+        egl_smpte2086_metadata.whitePoint.y == EGL_DONT_CARE ||
+        egl_smpte2086_metadata.maxLuminance == EGL_DONT_CARE ||
+        egl_smpte2086_metadata.minLuminance == EGL_DONT_CARE) {
+        ALOGW("egl_surface_t: incomplete SMPTE 2086 metadata!");
+        return EGL_FALSE;
+    }
+
     metadata.displayPrimaryRed.x = static_cast<float>(egl_smpte2086_metadata.displayPrimaryRed.x) / EGL_METADATA_SCALING_EXT;
     metadata.displayPrimaryRed.y = static_cast<float>(egl_smpte2086_metadata.displayPrimaryRed.y) / EGL_METADATA_SCALING_EXT;
     metadata.displayPrimaryGreen.x = static_cast<float>(egl_smpte2086_metadata.displayPrimaryGreen.x) / EGL_METADATA_SCALING_EXT;
@@ -149,14 +184,22 @@
     metadata.maxLuminance = static_cast<float>(egl_smpte2086_metadata.maxLuminance) / EGL_METADATA_SCALING_EXT;
     metadata.minLuminance = static_cast<float>(egl_smpte2086_metadata.minLuminance) / EGL_METADATA_SCALING_EXT;
 
-    return metadata;
+    return EGL_TRUE;
 }
 
-const android_cta861_3_metadata egl_surface_t::getCta8613Metadata() {
-    android_cta861_3_metadata metadata;
+EGLBoolean egl_surface_t::getCta8613Metadata(android_cta861_3_metadata& metadata) const {
+    if (!egl_cta861_3_dirty) return EGL_FALSE;
+
+    if (egl_cta861_3_metadata.maxContentLightLevel == EGL_DONT_CARE ||
+        egl_cta861_3_metadata.maxFrameAverageLightLevel == EGL_DONT_CARE) {
+        ALOGW("egl_surface_t: incomplete CTA861.3 metadata!");
+        return EGL_FALSE;
+    }
+
     metadata.maxContentLightLevel = static_cast<float>(egl_cta861_3_metadata.maxContentLightLevel) / EGL_METADATA_SCALING_EXT;
     metadata.maxFrameAverageLightLevel = static_cast<float>(egl_cta861_3_metadata.maxFrameAverageLightLevel) / EGL_METADATA_SCALING_EXT;
-    return metadata;
+
+    return EGL_TRUE;
 }
 
 
diff --git a/opengl/libs/EGL/egl_object.h b/opengl/libs/EGL/egl_object.h
index bda91bb..4e1de5c 100644
--- a/opengl/libs/EGL/egl_object.h
+++ b/opengl/libs/EGL/egl_object.h
@@ -142,8 +142,10 @@
     EGLBoolean getColorSpaceAttribute(EGLint attribute, EGLint* value) const;
     EGLBoolean getSmpte2086Attribute(EGLint attribute, EGLint* value) const;
     EGLBoolean getCta8613Attribute(EGLint attribute, EGLint* value) const;
-    const android_smpte2086_metadata getSmpte2086Metadata();
-    const android_cta861_3_metadata getCta8613Metadata();
+    EGLBoolean getSmpte2086Metadata(android_smpte2086_metadata& smpte2086) const;
+    EGLBoolean getCta8613Metadata(android_cta861_3_metadata& cta861_3) const;
+    void resetSmpte2086Metadata() { egl_smpte2086_dirty = false; }
+    void resetCta8613Metadata() { egl_cta861_3_dirty = false; }
 
     // Try to keep the order of these fields and size unchanged. It's not public API, but
     // it's not hard to imagine native games accessing them.
@@ -176,6 +178,10 @@
         EGLint maxContentLightLevel;
         EGLint maxFrameAverageLightLevel;
     };
+
+    bool egl_smpte2086_dirty;
+    bool egl_cta861_3_dirty;
+
     egl_smpte2086_metadata egl_smpte2086_metadata;
     egl_cta861_3_metadata egl_cta861_3_metadata;
 };
diff --git a/opengl/tests/EGLTest/EGL_test.cpp b/opengl/tests/EGLTest/EGL_test.cpp
index 9ffe036..5927dc1 100644
--- a/opengl/tests/EGLTest/EGL_test.cpp
+++ b/opengl/tests/EGLTest/EGL_test.cpp
@@ -61,8 +61,8 @@
 class EGLTest : public ::testing::Test {
 public:
     void get8BitConfig(EGLConfig& config);
-    void addOptionalWindowMetadata(std::vector<EGLint>& attrs);
-    void checkOptionalWindowMetadata(EGLSurface eglSurface);
+    void setSurfaceSmpteMetadata(EGLSurface surface);
+    void checkSurfaceSmpteMetadata(EGLSurface eglSurface);
 
 protected:
     EGLDisplay mEglDisplay;
@@ -421,39 +421,39 @@
     EXPECT_EQ(components[3], 8);
 }
 
-void EGLTest::addOptionalWindowMetadata(std::vector<EGLint>& attrs) {
+void EGLTest::setSurfaceSmpteMetadata(EGLSurface surface) {
     if (hasEglExtension(mEglDisplay, "EGL_EXT_surface_SMPTE2086_metadata")) {
-        attrs.push_back(EGL_SMPTE2086_DISPLAY_PRIMARY_RX_EXT);
-        attrs.push_back(METADATA_SCALE(0.640));
-        attrs.push_back(EGL_SMPTE2086_DISPLAY_PRIMARY_RY_EXT);
-        attrs.push_back(METADATA_SCALE(0.330));
-        attrs.push_back(EGL_SMPTE2086_DISPLAY_PRIMARY_GX_EXT);
-        attrs.push_back(METADATA_SCALE(0.290));
-        attrs.push_back(EGL_SMPTE2086_DISPLAY_PRIMARY_GY_EXT);
-        attrs.push_back(METADATA_SCALE(0.600));
-        attrs.push_back(EGL_SMPTE2086_DISPLAY_PRIMARY_BX_EXT);
-        attrs.push_back(METADATA_SCALE(0.150));
-        attrs.push_back(EGL_SMPTE2086_DISPLAY_PRIMARY_BY_EXT);
-        attrs.push_back(METADATA_SCALE(0.060));
-        attrs.push_back(EGL_SMPTE2086_WHITE_POINT_X_EXT);
-        attrs.push_back(METADATA_SCALE(0.3127));
-        attrs.push_back(EGL_SMPTE2086_WHITE_POINT_Y_EXT);
-        attrs.push_back(METADATA_SCALE(0.3290));
-        attrs.push_back(EGL_SMPTE2086_MAX_LUMINANCE_EXT);
-        attrs.push_back(METADATA_SCALE(300));
-        attrs.push_back(EGL_SMPTE2086_MIN_LUMINANCE_EXT);
-        attrs.push_back(METADATA_SCALE(0.7));
+        eglSurfaceAttrib(mEglDisplay, surface, EGL_SMPTE2086_DISPLAY_PRIMARY_RX_EXT,
+                         METADATA_SCALE(0.640));
+        eglSurfaceAttrib(mEglDisplay, surface, EGL_SMPTE2086_DISPLAY_PRIMARY_RY_EXT,
+                         METADATA_SCALE(0.330));
+        eglSurfaceAttrib(mEglDisplay, surface, EGL_SMPTE2086_DISPLAY_PRIMARY_GX_EXT,
+                         METADATA_SCALE(0.290));
+        eglSurfaceAttrib(mEglDisplay, surface, EGL_SMPTE2086_DISPLAY_PRIMARY_GY_EXT,
+                         METADATA_SCALE(0.600));
+        eglSurfaceAttrib(mEglDisplay, surface, EGL_SMPTE2086_DISPLAY_PRIMARY_BX_EXT,
+                         METADATA_SCALE(0.150));
+        eglSurfaceAttrib(mEglDisplay, surface, EGL_SMPTE2086_DISPLAY_PRIMARY_BY_EXT,
+                         METADATA_SCALE(0.060));
+        eglSurfaceAttrib(mEglDisplay, surface, EGL_SMPTE2086_WHITE_POINT_X_EXT,
+                         METADATA_SCALE(0.3127));
+        eglSurfaceAttrib(mEglDisplay, surface, EGL_SMPTE2086_WHITE_POINT_Y_EXT,
+                         METADATA_SCALE(0.3290));
+        eglSurfaceAttrib(mEglDisplay, surface, EGL_SMPTE2086_MAX_LUMINANCE_EXT,
+                         METADATA_SCALE(300));
+        eglSurfaceAttrib(mEglDisplay, surface, EGL_SMPTE2086_MIN_LUMINANCE_EXT,
+                         METADATA_SCALE(0.7));
     }
 
     if (hasEglExtension(mEglDisplay, "EGL_EXT_surface_CTA861_3_metadata")) {
-        attrs.push_back(EGL_CTA861_3_MAX_CONTENT_LIGHT_LEVEL_EXT);
-        attrs.push_back(METADATA_SCALE(300));
-        attrs.push_back(EGL_CTA861_3_MAX_FRAME_AVERAGE_LEVEL_EXT);
-        attrs.push_back(METADATA_SCALE(75));
+        eglSurfaceAttrib(mEglDisplay, surface, EGL_CTA861_3_MAX_CONTENT_LIGHT_LEVEL_EXT,
+                         METADATA_SCALE(300));
+        eglSurfaceAttrib(mEglDisplay, surface, EGL_CTA861_3_MAX_FRAME_AVERAGE_LEVEL_EXT,
+                         METADATA_SCALE(75));
     }
 }
 
-void EGLTest::checkOptionalWindowMetadata(EGLSurface eglSurface) {
+void EGLTest::checkSurfaceSmpteMetadata(EGLSurface eglSurface) {
     EGLBoolean success;
     EGLint value;
 
@@ -534,8 +534,6 @@
     winAttrs.push_back(EGL_GL_COLORSPACE_KHR);
     winAttrs.push_back(EGL_GL_COLORSPACE_BT2020_PQ_EXT);
 
-    ASSERT_NO_FATAL_FAILURE(addOptionalWindowMetadata(winAttrs));
-
     winAttrs.push_back(EGL_NONE);
 
     EGLSurface eglSurface = eglCreateWindowSurface(mEglDisplay, config, mANW.get(), winAttrs.data());
@@ -547,7 +545,9 @@
     ASSERT_EQ(EGL_UNSIGNED_TRUE, success);
     ASSERT_EQ(EGL_GL_COLORSPACE_BT2020_PQ_EXT, value);
 
-    ASSERT_NO_FATAL_FAILURE(checkOptionalWindowMetadata(eglSurface));
+    ASSERT_NO_FATAL_FAILURE(setSurfaceSmpteMetadata(eglSurface));
+
+    ASSERT_NO_FATAL_FAILURE(checkSurfaceSmpteMetadata(eglSurface));
 
     EXPECT_TRUE(eglDestroySurface(mEglDisplay, eglSurface));
 }
@@ -584,9 +584,6 @@
     std::vector<EGLint> winAttrs;
     winAttrs.push_back(EGL_GL_COLORSPACE_KHR);
     winAttrs.push_back(EGL_GL_COLORSPACE_BT2020_PQ_EXT);
-
-    ASSERT_NO_FATAL_FAILURE(addOptionalWindowMetadata(winAttrs));
-
     winAttrs.push_back(EGL_NONE);
 
     EGLSurface eglSurface = eglCreateWindowSurface(mEglDisplay, config, mANW.get(), winAttrs.data());
@@ -598,7 +595,9 @@
     ASSERT_EQ(EGL_UNSIGNED_TRUE, success);
     ASSERT_EQ(EGL_GL_COLORSPACE_BT2020_PQ_EXT, value);
 
-    ASSERT_NO_FATAL_FAILURE(checkOptionalWindowMetadata(eglSurface));
+    ASSERT_NO_FATAL_FAILURE(setSurfaceSmpteMetadata(eglSurface));
+
+    ASSERT_NO_FATAL_FAILURE(checkSurfaceSmpteMetadata(eglSurface));
 
     EXPECT_TRUE(eglDestroySurface(mEglDisplay, eglSurface));
 }
diff --git a/opengl/tests/gl2_basic/gl2_basic.cpp b/opengl/tests/gl2_basic/gl2_basic.cpp
index 13f6fba..0bb77f3 100644
--- a/opengl/tests/gl2_basic/gl2_basic.cpp
+++ b/opengl/tests/gl2_basic/gl2_basic.cpp
@@ -32,6 +32,8 @@
 using namespace android;
 extern "C" EGLAPI const char* eglQueryStringImplementationANDROID(EGLDisplay dpy, EGLint name);
 
+#define METADATA_SCALE(x) (static_cast<EGLint>(x * EGL_METADATA_SCALING_EXT))
+
 static void printGLString(const char *name, GLenum s) {
     // fprintf(stderr, "printGLString %s, %d\n", name, s);
     const char *v = (const char *) glGetString(s);
@@ -265,6 +267,39 @@
     return true;
 }
 
+void setSurfaceMetadata(EGLDisplay dpy, EGLSurface surface) {
+    static EGLBoolean toggle = GL_FALSE;
+    if (EGLUtils::hasEglExtension(dpy, "EGL_EXT_surface_SMPTE2086_metadata")) {
+        eglSurfaceAttrib(dpy, surface, EGL_SMPTE2086_DISPLAY_PRIMARY_RX_EXT, METADATA_SCALE(0.640));
+        eglSurfaceAttrib(dpy, surface, EGL_SMPTE2086_DISPLAY_PRIMARY_RY_EXT, METADATA_SCALE(0.330));
+        eglSurfaceAttrib(dpy, surface, EGL_SMPTE2086_DISPLAY_PRIMARY_GX_EXT, METADATA_SCALE(0.290));
+        eglSurfaceAttrib(dpy, surface, EGL_SMPTE2086_DISPLAY_PRIMARY_GY_EXT, METADATA_SCALE(0.600));
+        eglSurfaceAttrib(dpy, surface, EGL_SMPTE2086_DISPLAY_PRIMARY_BX_EXT, METADATA_SCALE(0.150));
+        eglSurfaceAttrib(dpy, surface, EGL_SMPTE2086_DISPLAY_PRIMARY_BY_EXT, METADATA_SCALE(0.060));
+        eglSurfaceAttrib(dpy, surface, EGL_SMPTE2086_WHITE_POINT_X_EXT, METADATA_SCALE(0.3127));
+        eglSurfaceAttrib(dpy, surface, EGL_SMPTE2086_WHITE_POINT_Y_EXT, METADATA_SCALE(0.3290));
+        if (toggle) {
+            eglSurfaceAttrib(dpy, surface, EGL_SMPTE2086_MAX_LUMINANCE_EXT, METADATA_SCALE(350));
+        } else {
+            eglSurfaceAttrib(dpy, surface, EGL_SMPTE2086_MAX_LUMINANCE_EXT, METADATA_SCALE(300));
+        }
+        eglSurfaceAttrib(dpy, surface, EGL_SMPTE2086_MIN_LUMINANCE_EXT, METADATA_SCALE(0.7));
+    }
+
+    if (EGLUtils::hasEglExtension(dpy, "EGL_EXT_surface_CTA861_3_metadata")) {
+        if (toggle) {
+            eglSurfaceAttrib(dpy, surface, EGL_CTA861_3_MAX_CONTENT_LIGHT_LEVEL_EXT,
+                             METADATA_SCALE(300));
+        } else {
+            eglSurfaceAttrib(dpy, surface, EGL_CTA861_3_MAX_CONTENT_LIGHT_LEVEL_EXT,
+                             METADATA_SCALE(325));
+        }
+        eglSurfaceAttrib(dpy, surface, EGL_CTA861_3_MAX_FRAME_AVERAGE_LEVEL_EXT,
+                         METADATA_SCALE(75));
+    }
+    toggle = !toggle;
+}
+
 int main(int /*argc*/, char** /*argv*/) {
     EGLBoolean returnValue;
     EGLConfig myConfig = {0};
@@ -318,10 +353,11 @@
     printf("Chose this configuration:\n");
     printEGLConfiguration(dpy, myConfig);
 
-    surface = eglCreateWindowSurface(dpy, myConfig, window, NULL);
+    EGLint winAttribs[] = {EGL_GL_COLORSPACE_KHR, EGL_GL_COLORSPACE_SRGB_KHR, EGL_NONE};
+    surface = eglCreateWindowSurface(dpy, myConfig, window, winAttribs);
     checkEglError("eglCreateWindowSurface");
     if (surface == EGL_NO_SURFACE) {
-        printf("gelCreateWindowSurface failed.\n");
+        printf("eglCreateWindowSurface failed.\n");
         return 0;
     }
 
@@ -356,6 +392,7 @@
 
     for (;;) {
         renderFrame();
+        setSurfaceMetadata(dpy, surface);
         eglSwapBuffers(dpy, surface);
         checkEglError("eglSwapBuffers");
     }
diff --git a/opengl/tests/gl_basic/gl_basic.cpp b/opengl/tests/gl_basic/gl_basic.cpp
index a675c7c..63d94be 100644
--- a/opengl/tests/gl_basic/gl_basic.cpp
+++ b/opengl/tests/gl_basic/gl_basic.cpp
@@ -15,6 +15,8 @@
 
 using namespace android;
 
+#define METADATA_SCALE(x) (static_cast<EGLint>(x * EGL_METADATA_SCALING_EXT))
+
 EGLDisplay eglDisplay;
 EGLSurface eglSurface;
 EGLContext eglContext;
@@ -330,6 +332,39 @@
     glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
 }
 
+void setSurfaceMetadata(EGLDisplay dpy, EGLSurface surface) {
+    static EGLBoolean toggle = GL_FALSE;
+    if (EGLUtils::hasEglExtension(dpy, "EGL_EXT_surface_SMPTE2086_metadata")) {
+        eglSurfaceAttrib(dpy, surface, EGL_SMPTE2086_DISPLAY_PRIMARY_RX_EXT, METADATA_SCALE(0.640));
+        eglSurfaceAttrib(dpy, surface, EGL_SMPTE2086_DISPLAY_PRIMARY_RY_EXT, METADATA_SCALE(0.330));
+        eglSurfaceAttrib(dpy, surface, EGL_SMPTE2086_DISPLAY_PRIMARY_GX_EXT, METADATA_SCALE(0.290));
+        eglSurfaceAttrib(dpy, surface, EGL_SMPTE2086_DISPLAY_PRIMARY_GY_EXT, METADATA_SCALE(0.600));
+        eglSurfaceAttrib(dpy, surface, EGL_SMPTE2086_DISPLAY_PRIMARY_BX_EXT, METADATA_SCALE(0.150));
+        eglSurfaceAttrib(dpy, surface, EGL_SMPTE2086_DISPLAY_PRIMARY_BY_EXT, METADATA_SCALE(0.060));
+        eglSurfaceAttrib(dpy, surface, EGL_SMPTE2086_WHITE_POINT_X_EXT, METADATA_SCALE(0.3127));
+        eglSurfaceAttrib(dpy, surface, EGL_SMPTE2086_WHITE_POINT_Y_EXT, METADATA_SCALE(0.3290));
+        if (toggle) {
+            eglSurfaceAttrib(dpy, surface, EGL_SMPTE2086_MAX_LUMINANCE_EXT, METADATA_SCALE(350));
+        } else {
+            eglSurfaceAttrib(dpy, surface, EGL_SMPTE2086_MAX_LUMINANCE_EXT, METADATA_SCALE(300));
+        }
+        eglSurfaceAttrib(dpy, surface, EGL_SMPTE2086_MIN_LUMINANCE_EXT, METADATA_SCALE(0.7));
+    }
+
+    if (EGLUtils::hasEglExtension(dpy, "EGL_EXT_surface_CTA861_3_metadata")) {
+        if (toggle) {
+            eglSurfaceAttrib(dpy, surface, EGL_CTA861_3_MAX_CONTENT_LIGHT_LEVEL_EXT,
+                             METADATA_SCALE(300));
+        } else {
+            eglSurfaceAttrib(dpy, surface, EGL_CTA861_3_MAX_CONTENT_LIGHT_LEVEL_EXT,
+                             METADATA_SCALE(325));
+        }
+        eglSurfaceAttrib(dpy, surface, EGL_CTA861_3_MAX_FRAME_AVERAGE_LEVEL_EXT,
+                         METADATA_SCALE(75));
+    }
+    toggle = !toggle;
+}
+
 void render()
 {
     const GLfloat vertices[] = {
@@ -354,5 +389,6 @@
     int nelem = sizeof(indices)/sizeof(indices[0]);
     glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
     glDrawElements(GL_TRIANGLES, nelem, GL_UNSIGNED_SHORT, indices);
+    setSurfaceMetadata(eglDisplay, eglSurface);
     eglSwapBuffers(eglDisplay, eglSurface);
 }
diff --git a/services/surfaceflinger/Android.bp b/services/surfaceflinger/Android.bp
index 5d68696..eeeba2e 100644
--- a/services/surfaceflinger/Android.bp
+++ b/services/surfaceflinger/Android.bp
@@ -24,6 +24,7 @@
         "android.hardware.configstore@1.0",
         "android.hardware.graphics.allocator@2.0",
         "android.hardware.graphics.composer@2.1",
+        "android.hardware.graphics.composer@2.2",
         "android.hardware.power@1.0",
         "libbase",
         "libbinder",
@@ -57,6 +58,7 @@
     ],
     header_libs: [
         "android.hardware.graphics.composer@2.1-command-buffer",
+        "android.hardware.graphics.composer@2.2-command-buffer",
     ],
     export_static_lib_headers: [
         "libserviceutils",
@@ -64,6 +66,7 @@
     export_shared_lib_headers: [
         "android.hardware.graphics.allocator@2.0",
         "android.hardware.graphics.composer@2.1",
+        "android.hardware.graphics.composer@2.2",
         "libhidlbase",
         "libhidltransport",
         "libhwbinder",
diff --git a/services/surfaceflinger/BufferLayer.cpp b/services/surfaceflinger/BufferLayer.cpp
index d07a52b..ec47551 100644
--- a/services/surfaceflinger/BufferLayer.cpp
+++ b/services/surfaceflinger/BufferLayer.cpp
@@ -618,6 +618,13 @@
               to_string(error).c_str(), static_cast<int32_t>(error));
     }
 
+    const HdrMetadata& metadata = mConsumer->getCurrentHdrMetadata();
+    error = hwcLayer->setHdrMetadata(metadata);
+    if (error != HWC2::Error::None) {
+        ALOGE("[%s] Failed to set hdrMetadata: %s (%d)", mName.string(),
+              to_string(error).c_str(), static_cast<int32_t>(error));
+    }
+
     uint32_t hwcSlot = 0;
     sp<GraphicBuffer> hwcBuffer;
     getBE().mHwcLayers[hwcId].bufferCache.getHwcBuffer(mActiveBufferSlot, mActiveBuffer, &hwcSlot,
diff --git a/services/surfaceflinger/DisplayHardware/ComposerHal.cpp b/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
index 03b714f..bb720f7 100644
--- a/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
+++ b/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
@@ -19,15 +19,23 @@
 
 #include <inttypes.h>
 #include <log/log.h>
-#include <gui/BufferQueue.h>
 
 #include "ComposerHal.h"
 
+#include <android/hardware/graphics/composer/2.2/IComposer.h>
+#include <composer-command-buffer/2.2/ComposerCommandBuffer.h>
+#include <gui/BufferQueue.h>
+#include <hidl/HidlTransportUtils.h>
+
 namespace android {
 
 using hardware::Return;
 using hardware::hidl_vec;
 using hardware::hidl_handle;
+using namespace hardware::graphics::composer;
+using PerFrameMetadata = hardware::graphics::composer::V2_2::IComposerClient::PerFrameMetadata;
+using PerFrameMetadataKey =
+        hardware::graphics::composer::V2_2::IComposerClient::PerFrameMetadataKey;
 
 namespace Hwc2 {
 
@@ -117,10 +125,9 @@
 void Composer::CommandWriter::setLayerInfo(uint32_t type, uint32_t appId)
 {
     constexpr uint16_t kSetLayerInfoLength = 2;
-    beginCommand(
-        static_cast<IComposerClient::Command>(
-            IVrComposerClient::VrCommand::SET_LAYER_INFO),
-        kSetLayerInfoLength);
+    beginCommand(static_cast<hardware::graphics::composer::V2_1::IComposerClient::Command>(
+                         IVrComposerClient::VrCommand::SET_LAYER_INFO),
+                 kSetLayerInfoLength);
     write(type);
     write(appId);
     endCommand();
@@ -130,10 +137,9 @@
         const IVrComposerClient::BufferMetadata& metadata)
 {
     constexpr uint16_t kSetClientTargetMetadataLength = 7;
-    beginCommand(
-        static_cast<IComposerClient::Command>(
-            IVrComposerClient::VrCommand::SET_CLIENT_TARGET_METADATA),
-        kSetClientTargetMetadataLength);
+    beginCommand(static_cast<hardware::graphics::composer::V2_1::IComposerClient::Command>(
+                         IVrComposerClient::VrCommand::SET_CLIENT_TARGET_METADATA),
+                 kSetClientTargetMetadataLength);
     writeBufferMetadata(metadata);
     endCommand();
 }
@@ -142,10 +148,9 @@
         const IVrComposerClient::BufferMetadata& metadata)
 {
     constexpr uint16_t kSetLayerBufferMetadataLength = 7;
-    beginCommand(
-        static_cast<IComposerClient::Command>(
-            IVrComposerClient::VrCommand::SET_LAYER_BUFFER_METADATA),
-        kSetLayerBufferMetadataLength);
+    beginCommand(static_cast<hardware::graphics::composer::V2_1::IComposerClient::Command>(
+                         IVrComposerClient::VrCommand::SET_LAYER_BUFFER_METADATA),
+                 kSetLayerBufferMetadataLength);
     writeBufferMetadata(metadata);
     endCommand();
 }
@@ -182,6 +187,13 @@
         LOG_ALWAYS_FATAL("failed to create composer client");
     }
 
+    // 2.2 support is optional
+    sp<V2_2::IComposer> composer_2_2 = V2_2::IComposer::castFrom(mComposer);
+    if (composer_2_2 != nullptr) {
+        mClient_2_2 = IComposerClient::castFrom(mClient);
+        LOG_ALWAYS_FATAL_IF(mClient_2_2 == nullptr, "IComposer 2.2 did not return IComposerClient 2.2");
+    }
+
     if (mIsUsingVrComposer) {
         sp<IVrComposerClient> vrClient = IVrComposerClient::castFrom(mClient);
         if (vrClient == nullptr) {
@@ -451,6 +463,25 @@
     return error;
 }
 
+Error Composer::getPerFrameMetadataKeys(
+        Display display, std::vector<IComposerClient::PerFrameMetadataKey>* outKeys) {
+    if (!mClient_2_2) {
+        return Error::UNSUPPORTED;
+    }
+
+    Error error = kDefaultError;
+    mClient_2_2->getPerFrameMetadataKeys(display, [&](const auto& tmpError, const auto& tmpKeys) {
+        error = tmpError;
+        if (error != Error::NONE) {
+            return;
+        }
+
+        *outKeys = tmpKeys;
+    });
+
+    return error;
+}
+
 Error Composer::getReleaseFences(Display display,
         std::vector<Layer>* outLayers, std::vector<int>* outReleaseFences)
 {
@@ -530,7 +561,15 @@
 
 Error Composer::setPowerMode(Display display, IComposerClient::PowerMode mode)
 {
-    auto ret = mClient->setPowerMode(display, mode);
+    hardware::Return<Error> ret(Error::UNSUPPORTED);
+    if (mClient_2_2) {
+        ret = mClient_2_2->setPowerMode_2_2(display, mode);
+    } else if (mode != IComposerClient::PowerMode::ON_SUSPEND) {
+        ret = mClient->setPowerMode(display,
+                                    static_cast<hardware::graphics::composer::V2_1::
+                                                        IComposerClient::PowerMode>(mode));
+    }
+
     return unwrapRet(ret);
 }
 
@@ -666,6 +705,44 @@
     return Error::NONE;
 }
 
+Error Composer::setLayerHdrMetadata(Display display, Layer layer, const HdrMetadata& metadata) {
+
+    mWriter.selectDisplay(display);
+    mWriter.selectLayer(layer);
+
+    std::vector<PerFrameMetadata> composerMetadata;
+    if (metadata.validTypes & HdrMetadata::SMPTE2086) {
+        composerMetadata
+                .insert(composerMetadata.end(),
+                        {{PerFrameMetadataKey::DISPLAY_RED_PRIMARY_X,
+                          metadata.smpte2086.displayPrimaryRed.x},
+                         {PerFrameMetadataKey::DISPLAY_RED_PRIMARY_Y,
+                          metadata.smpte2086.displayPrimaryRed.y},
+                         {PerFrameMetadataKey::DISPLAY_GREEN_PRIMARY_X,
+                          metadata.smpte2086.displayPrimaryGreen.x},
+                         {PerFrameMetadataKey::DISPLAY_GREEN_PRIMARY_Y,
+                          metadata.smpte2086.displayPrimaryGreen.y},
+                         {PerFrameMetadataKey::DISPLAY_BLUE_PRIMARY_X,
+                          metadata.smpte2086.displayPrimaryBlue.x},
+                         {PerFrameMetadataKey::DISPLAY_BLUE_PRIMARY_Y,
+                          metadata.smpte2086.displayPrimaryBlue.y},
+                         {PerFrameMetadataKey::WHITE_POINT_X, metadata.smpte2086.whitePoint.x},
+                         {PerFrameMetadataKey::WHITE_POINT_Y, metadata.smpte2086.whitePoint.y},
+                         {PerFrameMetadataKey::MAX_LUMINANCE, metadata.smpte2086.maxLuminance},
+                         {PerFrameMetadataKey::MIN_LUMINANCE, metadata.smpte2086.minLuminance}});
+    }
+    if (metadata.validTypes & HdrMetadata::CTA861_3) {
+        composerMetadata.insert(composerMetadata.end(),
+                                {{PerFrameMetadataKey::MAX_CONTENT_LIGHT_LEVEL,
+                                  metadata.cta8613.maxContentLightLevel},
+                                 {PerFrameMetadataKey::MAX_FRAME_AVERAGE_LIGHT_LEVEL,
+                                  metadata.cta8613.maxFrameAverageLightLevel}});
+    }
+
+    mWriter.setPerFrameMetadata(composerMetadata);
+    return Error::NONE;
+}
+
 Error Composer::setLayerDisplayFrame(Display display, Layer layer,
         const IComposerClient::Rect& frame)
 {
@@ -810,7 +887,8 @@
             mReader.takeErrors();
 
         for (const auto& cmdErr : commandErrors) {
-            auto command = mWriter.getCommand(cmdErr.location);
+            auto command =
+                    static_cast<IComposerClient::Command>(mWriter.getCommand(cmdErr.location));
 
             if (command == IComposerClient::Command::VALIDATE_DISPLAY ||
                 command == IComposerClient::Command::PRESENT_DISPLAY ||
@@ -841,7 +919,10 @@
     uint16_t length = 0;
 
     while (!isEmpty()) {
-        if (!beginCommand(&command, &length)) {
+        auto command_2_1 =
+                reinterpret_cast<hardware::graphics::composer::V2_1::IComposerClient::Command*>(
+                        &command);
+        if (!beginCommand(command_2_1, &length)) {
             break;
         }
 
diff --git a/services/surfaceflinger/DisplayHardware/ComposerHal.h b/services/surfaceflinger/DisplayHardware/ComposerHal.h
index 77675fb..c0373aa 100644
--- a/services/surfaceflinger/DisplayHardware/ComposerHal.h
+++ b/services/surfaceflinger/DisplayHardware/ComposerHal.h
@@ -24,8 +24,10 @@
 #include <vector>
 
 #include <android/frameworks/vr/composer/1.0/IVrComposerClient.h>
-#include <android/hardware/graphics/composer/2.1/IComposer.h>
-#include <composer-command-buffer/2.1/ComposerCommandBuffer.h>
+#include <android/hardware/graphics/composer/2.2/IComposer.h>
+#include <android/hardware/graphics/composer/2.2/IComposerClient.h>
+#include <composer-command-buffer/2.2/ComposerCommandBuffer.h>
+#include <gui/HdrMetadata.h>
 #include <ui/GraphicBuffer.h>
 #include <utils/StrongPointer.h>
 
@@ -42,16 +44,16 @@
 using android::hardware::graphics::common::V1_0::PixelFormat;
 using android::hardware::graphics::common::V1_0::Transform;
 
+using android::hardware::graphics::composer::V2_1::Config;
+using android::hardware::graphics::composer::V2_1::Display;
+using android::hardware::graphics::composer::V2_1::Error;
 using android::hardware::graphics::composer::V2_1::IComposer;
 using android::hardware::graphics::composer::V2_1::IComposerCallback;
-using android::hardware::graphics::composer::V2_1::IComposerClient;
-using android::hardware::graphics::composer::V2_1::Error;
-using android::hardware::graphics::composer::V2_1::Display;
 using android::hardware::graphics::composer::V2_1::Layer;
-using android::hardware::graphics::composer::V2_1::Config;
+using android::hardware::graphics::composer::V2_2::IComposerClient;
 
-using android::hardware::graphics::composer::V2_1::CommandWriterBase;
-using android::hardware::graphics::composer::V2_1::CommandReaderBase;
+using android::hardware::graphics::composer::V2_2::CommandReaderBase;
+using android::hardware::graphics::composer::V2_2::CommandWriterBase;
 
 using android::hardware::kSynchronizedReadWrite;
 using android::hardware::MessageQueue;
@@ -111,6 +113,9 @@
                                      float* outMaxLuminance, float* outMaxAverageLuminance,
                                      float* outMinLuminance) = 0;
 
+    virtual Error getPerFrameMetadataKeys(
+            Display display, std::vector<IComposerClient::PerFrameMetadataKey>* outKeys) = 0;
+
     virtual Error getReleaseFences(Display display, std::vector<Layer>* outLayers,
                                    std::vector<int>* outReleaseFences) = 0;
 
@@ -155,6 +160,8 @@
     virtual Error setLayerCompositionType(Display display, Layer layer,
                                           IComposerClient::Composition type) = 0;
     virtual Error setLayerDataspace(Display display, Layer layer, Dataspace dataspace) = 0;
+    virtual Error setLayerHdrMetadata(Display display, Layer layer,
+                                      const HdrMetadata& metadata) = 0;
     virtual Error setLayerDisplayFrame(Display display, Layer layer,
                                        const IComposerClient::Rect& frame) = 0;
     virtual Error setLayerPlaneAlpha(Display display, Layer layer, float alpha) = 0;
@@ -298,6 +305,9 @@
     Error getHdrCapabilities(Display display, std::vector<Hdr>* outTypes, float* outMaxLuminance,
                              float* outMaxAverageLuminance, float* outMinLuminance) override;
 
+    Error getPerFrameMetadataKeys(
+            Display display, std::vector<IComposerClient::PerFrameMetadataKey>* outKeys) override;
+
     Error getReleaseFences(Display display, std::vector<Layer>* outLayers,
                            std::vector<int>* outReleaseFences) override;
 
@@ -339,6 +349,7 @@
     Error setLayerCompositionType(Display display, Layer layer,
                                   IComposerClient::Composition type) override;
     Error setLayerDataspace(Display display, Layer layer, Dataspace dataspace) override;
+    Error setLayerHdrMetadata(Display display, Layer layer, const HdrMetadata& metadata) override;
     Error setLayerDisplayFrame(Display display, Layer layer,
                                const IComposerClient::Rect& frame) override;
     Error setLayerPlaneAlpha(Display display, Layer layer, float alpha) override;
@@ -375,7 +386,8 @@
     Error execute();
 
     sp<IComposer> mComposer;
-    sp<IComposerClient> mClient;
+    sp<hardware::graphics::composer::V2_1::IComposerClient> mClient;
+    sp<IComposerClient> mClient_2_2;
 
     // 64KiB minus a small space for metadata such as read/write pointers
     static constexpr size_t kWriterInitialSize =
diff --git a/services/surfaceflinger/DisplayHardware/HWC2.cpp b/services/surfaceflinger/DisplayHardware/HWC2.cpp
index 814b55e..f14c2fe 100644
--- a/services/surfaceflinger/DisplayHardware/HWC2.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWC2.cpp
@@ -37,6 +37,7 @@
 using android::FloatRect;
 using android::GraphicBuffer;
 using android::HdrCapabilities;
+using android::HdrMetadata;
 using android::Rect;
 using android::Region;
 using android::sp;
@@ -687,8 +688,7 @@
 
 // Layer methods
 
-Layer::Layer(android::Hwc2::Composer& composer,
-             const std::unordered_set<Capability>& capabilities,
+Layer::Layer(android::Hwc2::Composer& composer, const std::unordered_set<Capability>& capabilities,
              hwc2_display_t displayId, hwc2_layer_t layerId)
   : mComposer(composer),
     mCapabilities(capabilities),
@@ -788,6 +788,16 @@
     return static_cast<Error>(intError);
 }
 
+Error Layer::setHdrMetadata(const android::HdrMetadata& metadata) {
+    if (metadata == mHdrMetadata) {
+        return Error::None;
+    }
+
+    mHdrMetadata = metadata;
+    auto intError = mComposer.setLayerHdrMetadata(mDisplayId, mId, metadata);
+    return static_cast<Error>(intError);
+}
+
 Error Layer::setDisplayFrame(const Rect& frame)
 {
     Hwc2::IComposerClient::Rect hwcRect{frame.left, frame.top,
diff --git a/services/surfaceflinger/DisplayHardware/HWC2.h b/services/surfaceflinger/DisplayHardware/HWC2.h
index aade4e0..e74f00d 100644
--- a/services/surfaceflinger/DisplayHardware/HWC2.h
+++ b/services/surfaceflinger/DisplayHardware/HWC2.h
@@ -23,8 +23,9 @@
 #undef HWC2_INCLUDE_STRINGIFICATION
 #undef HWC2_USE_CPP11
 
-#include <ui/HdrCapabilities.h>
+#include <gui/HdrMetadata.h>
 #include <math/mat4.h>
+#include <ui/HdrCapabilities.h>
 
 #include <utils/Log.h>
 #include <utils/StrongPointer.h>
@@ -306,6 +307,7 @@
     [[clang::warn_unused_result]] Error setCompositionType(Composition type);
     [[clang::warn_unused_result]] Error setDataspace(
             android_dataspace_t dataspace);
+    [[clang::warn_unused_result]] Error setHdrMetadata(const android::HdrMetadata& metadata);
     [[clang::warn_unused_result]] Error setDisplayFrame(
             const android::Rect& frame);
     [[clang::warn_unused_result]] Error setPlaneAlpha(float alpha);
@@ -329,6 +331,7 @@
     hwc2_display_t mDisplayId;
     hwc2_layer_t mId;
     android_dataspace mDataSpace = HAL_DATASPACE_UNKNOWN;
+    android::HdrMetadata mHdrMetadata;
     std::function<void(Layer*)> mLayerDestroyedListener;
 };
 
diff --git a/services/surfaceflinger/tests/unittests/MockComposer.h b/services/surfaceflinger/tests/unittests/MockComposer.h
index 248afcf..acd9b30 100644
--- a/services/surfaceflinger/tests/unittests/MockComposer.h
+++ b/services/surfaceflinger/tests/unittests/MockComposer.h
@@ -39,8 +39,8 @@
 using android::hardware::graphics::composer::V2_1::Error;
 using android::hardware::graphics::composer::V2_1::IComposer;
 using android::hardware::graphics::composer::V2_1::IComposerCallback;
-using android::hardware::graphics::composer::V2_1::IComposerClient;
 using android::hardware::graphics::composer::V2_1::Layer;
+using android::hardware::graphics::composer::V2_2::IComposerClient;
 
 class Composer : public Hwc2::Composer {
 public:
@@ -73,6 +73,8 @@
     MOCK_METHOD2(getDisplayType, Error(Display, IComposerClient::DisplayType*));
     MOCK_METHOD2(getDozeSupport, Error(Display, bool*));
     MOCK_METHOD5(getHdrCapabilities, Error(Display, std::vector<Hdr>*, float*, float*, float*));
+    MOCK_METHOD2(getPerFrameMetadataKeys,
+                 Error(Display, std::vector<IComposerClient::PerFrameMetadataKey>*));
     MOCK_METHOD3(getReleaseFences, Error(Display, std::vector<Layer>*, std::vector<int>*));
     MOCK_METHOD2(presentDisplay, Error(Display, int*));
     MOCK_METHOD2(setActiveConfig, Error(Display, Config));
@@ -95,6 +97,7 @@
     MOCK_METHOD3(setLayerColor, Error(Display, Layer, const IComposerClient::Color&));
     MOCK_METHOD3(setLayerCompositionType, Error(Display, Layer, IComposerClient::Composition));
     MOCK_METHOD3(setLayerDataspace, Error(Display, Layer, Dataspace));
+    MOCK_METHOD3(setLayerHdrMetadata, Error(Display, Layer, const HdrMetadata&));
     MOCK_METHOD3(setLayerDisplayFrame, Error(Display, Layer, const IComposerClient::Rect&));
     MOCK_METHOD3(setLayerPlaneAlpha, Error(Display, Layer, float));
     MOCK_METHOD3(setLayerSidebandStream, Error(Display, Layer, const native_handle_t*));