getPlatformDisplayAngle: Get ANGLE feature overrides

Query GraphicsEnv for the ANGLE feature overrides to apply when creating
an ANGLE EGL display.

Bug: 372694741
Test: CQ, Manual verification
Flag: com.android.graphics.graphicsenv.flags.feature_overrides
Change-Id: Ia17922e4e2136bbc0045221ac47d8454bd3e1b2d

Author: timvpGoogle

opengl/libs/Android.bp

@@ -8,6 +8,11 @@ package {
     default_applicable_licenses: ["frameworks_native_license"],
 }
 
+cc_aconfig_library {
+    name: "libegl_flags_c_lib",
+    aconfig_declarations: "graphicsenv_flags",
+}
+
 cc_library {
     name: "libETC1",
     srcs: ["ETC1/etc1.cpp"],
@@ -155,7 +160,10 @@ cc_library_static {
 
 cc_library_shared {
     name: "libEGL",
-    defaults: ["egl_libs_defaults"],
+    defaults: [
+        "aconfig_lib_cc_static_link.defaults",
+        "egl_libs_defaults",
+    ],
     llndk: {
         symbol_file: "libEGL.map.txt",
         export_llndk_headers: ["gl_headers"],
@@ -191,6 +199,7 @@ cc_library_shared {
     static_libs: [
         "libEGL_getProcAddress",
         "libEGL_blobCache",
+        "libegl_flags_c_lib",
     ],
     ldflags: [
         "-Wl,--exclude-libs=libEGL_getProcAddress.a",

opengl/libs/EGL/egl_display.cpp

@@ -22,6 +22,7 @@
 #include <android-base/properties.h>
 #include <android/dlext.h>
 #include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h>
+#include <com_android_graphics_graphicsenv_flags.h>
 #include <configstore/Utils.h>
 #include <dlfcn.h>
 #include <graphicsenv/GraphicsEnv.h>
@@ -37,6 +38,7 @@
 
 using namespace android::hardware::configstore;
 using namespace android::hardware::configstore::V1_0;
+namespace graphicsenv_flags = com::android::graphics::graphicsenv::flags;
 
 namespace android {
 
@@ -138,15 +140,40 @@ static EGLDisplay getPlatformDisplayAngle(EGLNativeDisplayType display, egl_conn
                 attrs.push_back(attr[1]);
             }
         }
-        const auto& eglFeatures = GraphicsEnv::getInstance().getAngleEglFeatures();
-        std::vector<const char*> features;
-        if (eglFeatures.size() > 0) {
+
+        if (graphicsenv_flags::feature_overrides()) {
+            std::vector<const char*> enabled;  // ANGLE features to enable
+            std::vector<const char*> disabled; // ANGLE features to disable
+
+            // Get the list of ANGLE features to enable from Global.Settings.
+            const auto& eglFeatures = GraphicsEnv::getInstance().getAngleEglFeatures();
             for (const std::string& eglFeature : eglFeatures) {
-                features.push_back(eglFeature.c_str());
+                enabled.push_back(eglFeature.c_str());
+            }
+
+            // Get the list of ANGLE features to enable/disable from gpuservice.
+            GraphicsEnv::getInstance().getAngleFeatureOverrides(enabled, disabled);
+            if (!enabled.empty()) {
+                enabled.push_back(0);
+                attrs.push_back(EGL_FEATURE_OVERRIDES_ENABLED_ANGLE);
+                attrs.push_back(reinterpret_cast<EGLAttrib>(enabled.data()));
+            }
+            if (!disabled.empty()) {
+                disabled.push_back(0);
+                attrs.push_back(EGL_FEATURE_OVERRIDES_DISABLED_ANGLE);
+                attrs.push_back(reinterpret_cast<EGLAttrib>(disabled.data()));
+            }
+        } else {
+            const auto& eglFeatures = GraphicsEnv::getInstance().getAngleEglFeatures();
+            std::vector<const char*> features;
+            if (eglFeatures.size() > 0) {
+                for (const std::string& eglFeature : eglFeatures) {
+                    features.push_back(eglFeature.c_str());
+                }
+                features.push_back(0);
+                attrs.push_back(EGL_FEATURE_OVERRIDES_ENABLED_ANGLE);
+                attrs.push_back(reinterpret_cast<EGLAttrib>(features.data()));
             }
-            features.push_back(0);
-            attrs.push_back(EGL_FEATURE_OVERRIDES_ENABLED_ANGLE);
-            attrs.push_back(reinterpret_cast<EGLAttrib>(features.data()));
         }
 
         attrs.push_back(EGL_PLATFORM_ANGLE_TYPE_ANGLE);