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Commit b8d47b89 authored by Michael Wright's avatar Michael Wright Committed by Steve Kondik
Browse files

Clean up graphics resources. 



Release SurfaceTexture after use in ColorFade and delete GL resources
in ImageWallpaper.

Bug: 17871993
Change-Id: I05bda03657ca502ba35b7187b6f361018f7ef687
Signed-off-by: default avatararter97 <qkrwngud825@gmail.com>
parent bdab1061

packages/SystemUI/src/com/android/systemui/ImageWallpaper.java

+9 −37
Original line number Diff line number Diff line
@@ -105,10 +105,6 @@ public class ImageWallpaper extends WallpaperService { 
        static final int EGL_CONTEXT_CLIENT_VERSION = 0x3098;

        static final int EGL_OPENGL_ES2_BIT = 4;



        // TODO: Not currently used, keeping around until we know we don't need it

        @SuppressWarnings({"UnusedDeclaration"})

        private WallpaperObserver mReceiver;



        Bitmap mBackground;

        int mBackgroundWidth = -1, mBackgroundHeight = -1;

        int mLastSurfaceWidth = -1, mLastSurfaceHeight = -1;
@@ -152,22 +148,6 @@ public class ImageWallpaper extends WallpaperService { 
        private static final int TRIANGLE_VERTICES_DATA_POS_OFFSET = 0;

        private static final int TRIANGLE_VERTICES_DATA_UV_OFFSET = 3;



        class WallpaperObserver extends BroadcastReceiver {

            @Override

            public void onReceive(Context context, Intent intent) {

                if (DEBUG) {

                    Log.d(TAG, "onReceive");

                }



                mLastSurfaceWidth = mLastSurfaceHeight = -1;

                mBackground = null;

                mBackgroundWidth = -1;

                mBackgroundHeight = -1;

                mRedrawNeeded = true;

                drawFrame();

            }

        }



        public DrawableEngine() {

            super();

            setFixedSizeAllowed(true);
@@ -195,12 +175,6 @@ public class ImageWallpaper extends WallpaperService { 


            super.onCreate(surfaceHolder);



            // TODO: Don't need this currently because the wallpaper service

            // will restart the image wallpaper whenever the image changes.

            //IntentFilter filter = new IntentFilter(Intent.ACTION_WALLPAPER_CHANGED);

            //mReceiver = new WallpaperObserver();

            //registerReceiver(mReceiver, filter, null, mHandler);



            updateSurfaceSize(surfaceHolder);



            setOffsetNotificationsEnabled(false);
@@ -209,9 +183,6 @@ public class ImageWallpaper extends WallpaperService { 
        @Override

        public void onDestroy() {

            super.onDestroy();

            if (mReceiver != null) {

                unregisterReceiver(mReceiver);

            }

            mBackground = null;

            mWallpaperManager.forgetLoadedWallpaper();

        }
@@ -561,7 +532,7 @@ public class ImageWallpaper extends WallpaperService { 
            boolean status = mEgl.eglSwapBuffers(mEglDisplay, mEglSurface);

            checkEglError();



            finishGL();

            finishGL(texture, program);



            return status;

        }
@@ -614,21 +585,18 @@ public class ImageWallpaper extends WallpaperService { 


            int program = glCreateProgram();

            glAttachShader(program, vertexShader);

            checkGlError();



            glAttachShader(program, fragmentShader);

            checkGlError();



            glLinkProgram(program);

            checkGlError();



            glDeleteShader(vertexShader);

            glDeleteShader(fragmentShader);



            int[] status = new int[1];

            glGetProgramiv(program, GL_LINK_STATUS, status, 0);

            if (status[0] != GL_TRUE) {

                String error = glGetProgramInfoLog(program);

                Log.d(GL_LOG_TAG, "Error while linking program:\n" + error);

                glDeleteShader(vertexShader);

                glDeleteShader(fragmentShader);

                glDeleteProgram(program);

                return 0;

            }
@@ -671,7 +639,11 @@ public class ImageWallpaper extends WallpaperService { 
            }

        }



        private void finishGL() {

        private void finishGL(int texture, int program) {

            int[] textures = new int[1];

            textures[0] = texture;

            glDeleteTextures(1, textures, 0);

            glDeleteProgram(program);

            mEgl.eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);

            mEgl.eglDestroySurface(mEglDisplay, mEglSurface);

            mEgl.eglDestroyContext(mEglDisplay, mEglContext);