From d299b8194dde8c4875e5f032918ab35ebad8b1f1 Mon Sep 17 00:00:00 2001
From: Suchi Amalapurapu <asuchitra@google.com>
Date: Fri, 5 Jun 2009 10:26:19 -0700
Subject: [PATCH] Add a new attribute to android manifest for defining the GLES
 version number. This attribute is parsed by the PackageParser into
 ConfigurationInfo. The major and minor version numbers are defined as the
 higher and lower order bits.

---
 api/current.xml                               | 54 +++++++++++++++----
 .../android/content/pm/ConfigurationInfo.java | 30 ++++++++++-
 .../android/content/pm/PackageParser.java     | 12 +++++
 core/res/res/values/attrs_manifest.xml        | 19 ++++++-
 core/res/res/values/public.xml                |  1 +
 5 files changed, 102 insertions(+), 14 deletions(-)

diff --git a/api/current.xml b/api/current.xml
index 69660d646fc65..c98a5c4a7f3de 100644
--- a/api/current.xml
+++ b/api/current.xml
@@ -3518,17 +3518,6 @@
  visibility="public"
 >
 </field>
-<field name="donut_resource_pad30"
- type="int"
- transient="false"
- volatile="false"
- value="16843394"
- static="true"
- final="true"
- deprecated="not deprecated"
- visibility="public"
->
-</field>
 <field name="donut_resource_pad4"
  type="int"
  transient="false"
@@ -4453,6 +4442,17 @@
  visibility="public"
 >
 </field>
+<field name="glEsVersion"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="16843394"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
 <field name="gradientRadius"
  type="int"
  transient="false"
@@ -35239,6 +35239,17 @@
  visibility="public"
 >
 </method>
+<method name="getGlEsVersion"
+ return="java.lang.String"
+ abstract="false"
+ native="false"
+ synchronized="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</method>
 <method name="writeToParcel"
  return="void"
  abstract="false"
@@ -35264,6 +35275,17 @@
  visibility="public"
 >
 </field>
+<field name="GL_ES_VERSION_UNDEFINED"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="0"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
 <field name="INPUT_FEATURE_FIVE_WAY_NAV"
  type="int"
  transient="false"
@@ -35286,6 +35308,16 @@
  visibility="public"
 >
 </field>
+<field name="reqGlEsVersion"
+ type="int"
+ transient="false"
+ volatile="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
 <field name="reqInputFeatures"
  type="int"
  transient="false"
diff --git a/core/java/android/content/pm/ConfigurationInfo.java b/core/java/android/content/pm/ConfigurationInfo.java
index dcc746331b0b8..fb7a47fbd1bd3 100755
--- a/core/java/android/content/pm/ConfigurationInfo.java
+++ b/core/java/android/content/pm/ConfigurationInfo.java
@@ -22,7 +22,7 @@ import android.os.Parcelable;
 /**
  * Information you can retrieve about hardware configuration preferences
  * declared by an application. This corresponds to information collected from the
- * AndroidManifest.xml's &lt;uses-configuration&gt; tags.
+ * AndroidManifest.xml's &lt;uses-configuration&gt; and the   &lt;uses-feature&gt;tags.
  */
 public class ConfigurationInfo implements Parcelable {    
     /**
@@ -70,6 +70,16 @@ public class ConfigurationInfo implements Parcelable {
      */
     public int reqInputFeatures = 0;
 
+    /**
+     * Default value for {@link #reqGlEsVersion};
+     */
+    public static final int GL_ES_VERSION_UNDEFINED = 0;
+    /**
+     * The GLES version used by an application. The upper order 16 bits represent the
+     * major version and the lower order 16 bits the minor version.
+     */
+    public int reqGlEsVersion;
+
     public ConfigurationInfo() {
     }
 
@@ -78,6 +88,7 @@ public class ConfigurationInfo implements Parcelable {
         reqKeyboardType = orig.reqKeyboardType;
         reqNavigation = orig.reqNavigation;
         reqInputFeatures = orig.reqInputFeatures;
+        reqGlEsVersion = orig.reqGlEsVersion;
     }
 
     public String toString() {
@@ -86,7 +97,8 @@ public class ConfigurationInfo implements Parcelable {
             + ", touchscreen = " + reqTouchScreen + "}"
             + ", inputMethod = " + reqKeyboardType + "}"
             + ", navigation = " + reqNavigation + "}"
-            + ", reqInputFeatures = " + reqInputFeatures + "}";
+            + ", reqInputFeatures = " + reqInputFeatures + "}"
+            + ", reqGlEsVersion = " + reqGlEsVersion + "}";
     }
 
     public int describeContents() {
@@ -98,6 +110,7 @@ public class ConfigurationInfo implements Parcelable {
         dest.writeInt(reqKeyboardType);
         dest.writeInt(reqNavigation);
         dest.writeInt(reqInputFeatures);
+        dest.writeInt(reqGlEsVersion);
     }
 
     public static final Creator<ConfigurationInfo> CREATOR =
@@ -115,5 +128,18 @@ public class ConfigurationInfo implements Parcelable {
         reqKeyboardType = source.readInt();
         reqNavigation = source.readInt();
         reqInputFeatures = source.readInt();
+        reqGlEsVersion = source.readInt();
+    }
+
+    /**
+     * This method extracts the major and minor version of reqGLEsVersion attribute
+     * and returns it as a string. Say reqGlEsVersion value of 0x00010002 is returned
+     * as 1.2
+     * @return String representation of the reqGlEsVersion attribute
+     */
+    public String getGlEsVersion() {
+        int major = ((reqGlEsVersion & 0xffff0000) >> 16);
+        int minor = reqGlEsVersion & 0x0000ffff;
+        return String.valueOf(major)+"."+String.valueOf(minor);
     }
 }
diff --git a/core/java/android/content/pm/PackageParser.java b/core/java/android/content/pm/PackageParser.java
index e2c0fe69f3452..ab8559c0eb810 100644
--- a/core/java/android/content/pm/PackageParser.java
+++ b/core/java/android/content/pm/PackageParser.java
@@ -748,6 +748,18 @@ public class PackageParser {
 
                 XmlUtils.skipCurrentTag(parser);
 
+            } else if (tagName.equals("uses-feature")) {
+                ConfigurationInfo cPref = new ConfigurationInfo();
+                sa = res.obtainAttributes(attrs,
+                        com.android.internal.R.styleable.AndroidManifestUsesFeature);
+                cPref.reqGlEsVersion = sa.getInt(
+                        com.android.internal.R.styleable.AndroidManifestUsesFeature_glEsVersion,
+                        ConfigurationInfo.GL_ES_VERSION_UNDEFINED);
+                sa.recycle();
+                pkg.configPreferences.add(cPref);
+
+                XmlUtils.skipCurrentTag(parser);
+
             } else if (tagName.equals("uses-sdk")) {
                 if (mSdkVersion > 0) {
                     sa = res.obtainAttributes(attrs,
diff --git a/core/res/res/values/attrs_manifest.xml b/core/res/res/values/attrs_manifest.xml
index 0a2d2088992ba..91cd9fdd1b1b9 100644
--- a/core/res/res/values/attrs_manifest.xml
+++ b/core/res/res/values/attrs_manifest.xml
@@ -596,7 +596,8 @@
          {@link #AndroidManifestUsesPermission uses-permission},
          {@link #AndroidManifestUsesConfiguration uses-configuration},
          {@link #AndroidManifestApplication application},
-         {@link #AndroidManifestInstrumentation instrumentation}.  -->
+         {@link #AndroidManifestInstrumentation instrumentation},
+         {@link #AndroidManifestUsesFeature uses-feature}.  -->
     <declare-styleable name="AndroidManifest">
         <attr name="versionCode" />
         <attr name="versionName" />
@@ -765,6 +766,22 @@
         <attr name="reqFiveWayNav" />
     </declare-styleable>
 
+    <!-- The <code>uses-feature</code> tag specifies
+         a specific feature used by the application.
+         For example an application might specify that it requires
+         specific version of open gl. Multiple such attribute
+         values can be specified by the application.
+
+         <p>This appears as a child tag of the root
+         {@link #AndroidManifest manifest} tag. -->
+    <declare-styleable name="AndroidManifestUsesFeature" parent="AndroidManifest">
+        <!-- The GLES driver version number needed by an application.
+             The higher 16 bits represent the major number and the lower 16 bits
+             represent the minor number. For example for GL 1.2 referring to
+             0x00000102, the actual value should be set as 0x00010002. -->
+        <attr name="glEsVersion" format="integer"/>
+    </declare-styleable>
+
     <!-- The <code>uses-sdk</code> tag describes the SDK features that the
          containing package must be running on to operate correctly.
          
diff --git a/core/res/res/values/public.xml b/core/res/res/values/public.xml
index c2c84d6526d33..b29f9acef2039 100644
--- a/core/res/res/values/public.xml
+++ b/core/res/res/values/public.xml
@@ -1115,6 +1115,7 @@
   <public type="attr" name="fadeEnabled" />
   <public type="attr" name="backupAgent" />
   <public type="attr" name="allowBackup" />
+  <public type="attr" name="glEsVersion" />
   
   <public-padding type="attr" name="donut_resource_pad" end="0x0101029f" />