1 files changed, 3 insertions, 104 deletions

diff --git a/libs/graphicsenv/GraphicsEnv.cpp b/libs/graphicsenv/GraphicsEnv.cpp
index d54de4999c..7f0cac5d4f 100644
--- a/libs/graphicsenv/GraphicsEnv.cpp
+++ b/libs/graphicsenv/GraphicsEnv.cpp
@@ -343,80 +343,6 @@ void* GraphicsEnv::loadLibrary(std::string name) {
     return nullptr;
 }
 
-bool GraphicsEnv::checkAngleRules(void* so) {
-    auto manufacturer = base::GetProperty("ro.product.manufacturer", "UNSET");
-    auto model = base::GetProperty("ro.product.model", "UNSET");
-
-    auto ANGLEGetFeatureSupportUtilAPIVersion =
-            (fpANGLEGetFeatureSupportUtilAPIVersion)dlsym(so,
-                                                          "ANGLEGetFeatureSupportUtilAPIVersion");
-
-    if (!ANGLEGetFeatureSupportUtilAPIVersion) {
-        ALOGW("Cannot find ANGLEGetFeatureSupportUtilAPIVersion function");
-        return false;
-    }
-
-    // Negotiate the interface version by requesting most recent known to the platform
-    unsigned int versionToUse = CURRENT_ANGLE_API_VERSION;
-    if (!(ANGLEGetFeatureSupportUtilAPIVersion)(&versionToUse)) {
-        ALOGW("Cannot use ANGLE feature-support library, it is older than supported by EGL, "
-              "requested version %u",
-              versionToUse);
-        return false;
-    }
-
-    // Add and remove versions below as needed
-    bool useAngle = false;
-    switch (versionToUse) {
-        case 2: {
-            ALOGV("Using version %d of ANGLE feature-support library", versionToUse);
-            void* rulesHandle = nullptr;
-            int rulesVersion = 0;
-            void* systemInfoHandle = nullptr;
-
-            // Get the symbols for the feature-support-utility library:
-#define GET_SYMBOL(symbol)                                                 \
-    fp##symbol symbol = (fp##symbol)dlsym(so, #symbol);                    \
-    if (!symbol) {                                                         \
-        ALOGW("Cannot find " #symbol " in ANGLE feature-support library"); \
-        break;                                                             \
-    }
-            GET_SYMBOL(ANGLEAndroidParseRulesString);
-            GET_SYMBOL(ANGLEGetSystemInfo);
-            GET_SYMBOL(ANGLEAddDeviceInfoToSystemInfo);
-            GET_SYMBOL(ANGLEShouldBeUsedForApplication);
-            GET_SYMBOL(ANGLEFreeRulesHandle);
-            GET_SYMBOL(ANGLEFreeSystemInfoHandle);
-
-            // Parse the rules, obtain the SystemInfo, and evaluate the
-            // application against the rules:
-            if (!(ANGLEAndroidParseRulesString)(mRulesBuffer.data(), &rulesHandle, &rulesVersion)) {
-                ALOGW("ANGLE feature-support library cannot parse rules file");
-                break;
-            }
-            if (!(ANGLEGetSystemInfo)(&systemInfoHandle)) {
-                ALOGW("ANGLE feature-support library cannot obtain SystemInfo");
-                break;
-            }
-            if (!(ANGLEAddDeviceInfoToSystemInfo)(manufacturer.c_str(), model.c_str(),
-                                                  systemInfoHandle)) {
-                ALOGW("ANGLE feature-support library cannot add device info to SystemInfo");
-                break;
-            }
-            useAngle = (ANGLEShouldBeUsedForApplication)(rulesHandle, rulesVersion,
-                                                         systemInfoHandle, mAngleAppName.c_str());
-            (ANGLEFreeRulesHandle)(rulesHandle);
-            (ANGLEFreeSystemInfoHandle)(systemInfoHandle);
-        } break;
-
-        default:
-            ALOGW("Version %u of ANGLE feature-support library is NOT supported.", versionToUse);
-    }
-
-    ALOGV("Close temporarily-loaded ANGLE opt-in/out logic");
-    return useAngle;
-}
-
 bool GraphicsEnv::shouldUseAngle(std::string appName) {
     if (appName != mAngleAppName) {
         // Make sure we are checking the app we were init'ed for
@@ -444,31 +370,20 @@ void GraphicsEnv::updateUseAngle() {
     const char* ANGLE_PREFER_ANGLE = "angle";
     const char* ANGLE_PREFER_NATIVE = "native";
 
+    mUseAngle = NO;
     if (mAngleDeveloperOptIn == ANGLE_PREFER_ANGLE) {
         ALOGV("User set \"Developer Options\" to force the use of ANGLE");
         mUseAngle = YES;
     } else if (mAngleDeveloperOptIn == ANGLE_PREFER_NATIVE) {
         ALOGV("User set \"Developer Options\" to force the use of Native");
-        mUseAngle = NO;
     } else {
-        // The "Developer Options" value wasn't set to force the use of ANGLE.  Need to temporarily
-        // load ANGLE and call the updatable opt-in/out logic:
-        void* featureSo = loadLibrary("feature_support");
-        if (featureSo) {
-            ALOGV("loaded ANGLE's opt-in/out logic from namespace");
-            mUseAngle = checkAngleRules(featureSo) ? YES : NO;
-            dlclose(featureSo);
-            featureSo = nullptr;
-        } else {
-            ALOGV("Could not load the ANGLE opt-in/out logic, cannot use ANGLE.");
-        }
+        ALOGV("User set invalid \"Developer Options\": '%s'", mAngleDeveloperOptIn.c_str());
     }
 }
 
 void GraphicsEnv::setAngleInfo(const std::string path, const std::string appName,
                                const std::string developerOptIn,
-                               const std::vector<std::string> eglFeatures, const int rulesFd,
-                               const long rulesOffset, const long rulesLength) {
+                               const std::vector<std::string> eglFeatures) {
     if (mUseAngle != UNKNOWN) {
         // We've already figured out an answer for this app, so just return.
         ALOGV("Already evaluated the rules file for '%s': use ANGLE = %s", appName.c_str(),
@@ -485,22 +400,6 @@ void GraphicsEnv::setAngleInfo(const std::string path, const std::string appName
     ALOGV("setting ANGLE application opt-in to '%s'", developerOptIn.c_str());
     mAngleDeveloperOptIn = developerOptIn;
 
-    lseek(rulesFd, rulesOffset, SEEK_SET);
-    mRulesBuffer = std::vector<char>(rulesLength + 1);
-    ssize_t numBytesRead = read(rulesFd, mRulesBuffer.data(), rulesLength);
-    if (numBytesRead < 0) {
-        ALOGE("Cannot read rules file: numBytesRead = %zd", numBytesRead);
-        numBytesRead = 0;
-    } else if (numBytesRead == 0) {
-        ALOGW("Empty rules file");
-    }
-    if (numBytesRead != rulesLength) {
-        ALOGW("Did not read all of the necessary bytes from the rules file."
-              "expected: %ld, got: %zd",
-              rulesLength, numBytesRead);
-    }
-    mRulesBuffer[numBytesRead] = '\0';
-
     // Update the current status of whether we should use ANGLE or not
     updateUseAngle();
 }