├── .gitignore ├── app ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ └── main │ ├── AndroidManifest.xml │ ├── java │ └── cn │ │ └── nekocode │ │ └── blurringview │ │ └── sample │ │ ├── BlurFilter.java │ │ ├── BlurringTextureView.java │ │ └── MainActivity.java │ └── res │ ├── drawable │ └── bg.xml │ ├── layout │ └── activity_main.xml │ ├── mipmap-hdpi │ └── ic_launcher.png │ ├── mipmap-mdpi │ └── ic_launcher.png │ ├── mipmap-xhdpi │ └── ic_launcher.png │ ├── mipmap-xxhdpi │ └── ic_launcher.png │ ├── mipmap-xxxhdpi │ └── ic_launcher.png │ ├── raw │ └── blur.fsh │ ├── values-w820dp │ └── dimens.xml │ └── values │ ├── colors.xml │ ├── dimens.xml │ ├── strings.xml │ └── styles.xml ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | .gradle 2 | .idea 3 | /local.properties 4 | /.idea/workspace.xml 5 | /.idea/libraries 6 | .DS_Store 7 | /build 8 | /captures 9 | *.iml 10 | *.apk 11 | *.jobf -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | android { 4 | compileSdkVersion 24 5 | buildToolsVersion "24.0.2" 6 | 7 | defaultConfig { 8 | applicationId "cn.nekocode.blurringview.sample" 9 | minSdkVersion 19 10 | targetSdkVersion 24 11 | versionCode 1 12 | versionName "1.0" 13 | } 14 | buildTypes { 15 | release { 16 | minifyEnabled false 17 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 18 | } 19 | } 20 | } 21 | 22 | dependencies { 23 | compile fileTree(dir: 'libs', include: ['*.jar']) 24 | testCompile 'junit:junit:4.12' 25 | compile 'com.android.support:appcompat-v7:24.2.1' 26 | } 27 | -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in /usr/local/opt/android-sdk/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the proguardFiles 5 | # directive in build.gradle. 6 | # 7 | # For more details, see 8 | # http://developer.android.com/guide/developing/tools/proguard.html 9 | 10 | # Add any project specific keep options here: 11 | 12 | # If your project uses WebView with JS, uncomment the following 13 | # and specify the fully qualified class name to the JavaScript interface 14 | # class: 15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 16 | # public *; 17 | #} 18 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | -------------------------------------------------------------------------------- /app/src/main/java/cn/nekocode/blurringview/sample/BlurFilter.java: -------------------------------------------------------------------------------- 1 | package cn.nekocode.blurringview.sample; 2 | 3 | import android.content.Context; 4 | import android.content.res.Resources; 5 | import android.opengl.GLES11Ext; 6 | import android.opengl.GLES20; 7 | import android.util.Log; 8 | 9 | import java.io.ByteArrayOutputStream; 10 | import java.io.IOException; 11 | import java.io.InputStream; 12 | import java.nio.ByteBuffer; 13 | import java.nio.ByteOrder; 14 | import java.nio.FloatBuffer; 15 | 16 | /** 17 | * @author nekocode (nekocode.cn@gmail.com) 18 | */ 19 | final class BlurFilter { 20 | private static final String VERTEX_SHADER = "attribute vec2 vPosition;\n" + 21 | "attribute vec2 vTexCoord;\n" + 22 | "varying vec2 texCoord;\n" + 23 | "\n" + 24 | "void main() {\n" + 25 | " texCoord = vTexCoord;\n" + 26 | " gl_Position = vec4 ( vPosition.x, vPosition.y, 0.0, 1.0 );\n" + 27 | "}"; 28 | 29 | private static FloatBuffer VERTEX_BUF, TEXTURE_COORD_BUF; 30 | 31 | static { 32 | final float SQUARE_COORDS[] = { 33 | 1.0f, -1.0f, 34 | -1.0f, -1.0f, 35 | 1.0f, 1.0f, 36 | -1.0f, 1.0f, 37 | }; 38 | 39 | VERTEX_BUF = ByteBuffer.allocateDirect(SQUARE_COORDS.length * 4) 40 | .order(ByteOrder.nativeOrder()).asFloatBuffer(); 41 | VERTEX_BUF.put(SQUARE_COORDS); 42 | VERTEX_BUF.position(0); 43 | 44 | 45 | final float TEXTURE_COORDS[] = { 46 | 1.0f, 1.0f, 47 | 0.0f, 1.0f, 48 | 1.0f, 0.0f, 49 | 0.0f, 0.0f, 50 | }; 51 | 52 | TEXTURE_COORD_BUF = ByteBuffer.allocateDirect(TEXTURE_COORDS.length * 4) 53 | .order(ByteOrder.nativeOrder()).asFloatBuffer(); 54 | TEXTURE_COORD_BUF.put(TEXTURE_COORDS); 55 | TEXTURE_COORD_BUF.position(0); 56 | } 57 | 58 | private int program; 59 | 60 | BlurFilter(Context context) { 61 | program = buildProgram(VERTEX_SHADER, getStringFromRaw(context, R.raw.blur)); 62 | } 63 | 64 | 65 | void draw(int textureId, int width, int height) { 66 | // Use shaders 67 | GLES20.glUseProgram(program); 68 | 69 | int iChannel0Location = GLES20.glGetUniformLocation(program, "iChannel0"); 70 | GLES20.glActiveTexture(GLES20.GL_TEXTURE0); 71 | GLES20.glBindTexture(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, textureId); 72 | GLES20.glUniform1i(iChannel0Location, 0); 73 | 74 | int vPositionLocation = GLES20.glGetAttribLocation(program, "vPosition"); 75 | GLES20.glEnableVertexAttribArray(vPositionLocation); 76 | GLES20.glVertexAttribPointer(vPositionLocation, 2, GLES20.GL_FLOAT, false, 4 * 2, VERTEX_BUF); 77 | 78 | int vTexCoordLocation = GLES20.glGetAttribLocation(program, "vTexCoord"); 79 | GLES20.glEnableVertexAttribArray(vTexCoordLocation); 80 | GLES20.glVertexAttribPointer(vTexCoordLocation, 2, GLES20.GL_FLOAT, false, 4 * 2, TEXTURE_COORD_BUF); 81 | 82 | int iResolutionLocation = GLES20.glGetUniformLocation(program, "iResolution"); 83 | GLES20.glUniform3fv(iResolutionLocation, 1, 84 | FloatBuffer.wrap(new float[]{(float) width, (float) height, 1.0f})); 85 | 86 | // Render to screen 87 | GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT); 88 | GLES20.glDrawArrays(GLES20.GL_TRIANGLE_STRIP, 0, 4); 89 | } 90 | 91 | private static int buildProgram(String vertexSource, String fragmentSource) { 92 | final int vertexShader = buildShader(GLES20.GL_VERTEX_SHADER, vertexSource); 93 | if (vertexShader == 0) { 94 | return 0; 95 | } 96 | 97 | final int fragmentShader = buildShader(GLES20.GL_FRAGMENT_SHADER, fragmentSource); 98 | if (fragmentShader == 0) { 99 | return 0; 100 | } 101 | 102 | final int program = GLES20.glCreateProgram(); 103 | if (program == 0) { 104 | return 0; 105 | } 106 | 107 | GLES20.glAttachShader(program, vertexShader); 108 | GLES20.glAttachShader(program, fragmentShader); 109 | GLES20.glLinkProgram(program); 110 | 111 | return program; 112 | } 113 | 114 | private static int buildShader(int type, String shaderSource) { 115 | final int shader = GLES20.glCreateShader(type); 116 | if (shader == 0) { 117 | return 0; 118 | } 119 | 120 | GLES20.glShaderSource(shader, shaderSource); 121 | GLES20.glCompileShader(shader); 122 | 123 | int[] status = new int[1]; 124 | GLES20.glGetShaderiv(shader, GLES20.GL_COMPILE_STATUS, status, 0); 125 | if (status[0] == 0) { 126 | Log.e("BlurFilter", GLES20.glGetShaderInfoLog(shader)); 127 | GLES20.glDeleteShader(shader); 128 | return 0; 129 | } 130 | 131 | return shader; 132 | } 133 | 134 | private static String getStringFromRaw(Context context, int id) { 135 | String str; 136 | try { 137 | Resources r = context.getResources(); 138 | InputStream is = r.openRawResource(id); 139 | ByteArrayOutputStream baos = new ByteArrayOutputStream(); 140 | int i = is.read(); 141 | while (i != -1) { 142 | baos.write(i); 143 | i = is.read(); 144 | } 145 | 146 | str = baos.toString(); 147 | is.close(); 148 | } catch (IOException e) { 149 | str = ""; 150 | } 151 | 152 | return str; 153 | } 154 | } 155 | -------------------------------------------------------------------------------- /app/src/main/java/cn/nekocode/blurringview/sample/BlurringTextureView.java: -------------------------------------------------------------------------------- 1 | package cn.nekocode.blurringview.sample; 2 | 3 | import android.app.Activity; 4 | import android.content.Context; 5 | import android.content.ContextWrapper; 6 | import android.graphics.Canvas; 7 | import android.graphics.SurfaceTexture; 8 | import android.graphics.drawable.ColorDrawable; 9 | import android.opengl.GLES11Ext; 10 | import android.opengl.GLES20; 11 | import android.util.AttributeSet; 12 | import android.util.Log; 13 | import android.util.Pair; 14 | import android.view.Surface; 15 | import android.view.TextureView; 16 | import android.view.View; 17 | import android.view.ViewGroup; 18 | import android.view.ViewTreeObserver; 19 | 20 | import java.util.ArrayList; 21 | 22 | import javax.microedition.khronos.egl.EGL10; 23 | import javax.microedition.khronos.egl.EGLConfig; 24 | import javax.microedition.khronos.egl.EGLContext; 25 | import javax.microedition.khronos.egl.EGLDisplay; 26 | import javax.microedition.khronos.egl.EGLSurface; 27 | import javax.microedition.khronos.opengles.GL10; 28 | 29 | /** 30 | * @author nekocode (nekocode.cn@gmail.com) 31 | */ 32 | public class BlurringTextureView extends TextureView implements TextureView.SurfaceTextureListener { 33 | private static final String TAG = "BlurringTextureView"; 34 | private static final int EGL_OPENGL_ES2_BIT = 4; 35 | private static final int EGL_CONTEXT_CLIENT_VERSION = 0x3098; 36 | private static final int DRAW_INTERVAL = 1000 / 60; 37 | private float downsampleSize = 4; 38 | 39 | private Surface backgroundSurface; 40 | private int backgroundColor; 41 | 42 | private EGLDisplay eglDisplay; 43 | private EGLSurface eglSurface; 44 | private EGLContext eglContext; 45 | private EGL10 egl10; 46 | 47 | private RenderThread renderThread; 48 | 49 | public BlurringTextureView(Context context) { 50 | super(context); 51 | init(); 52 | } 53 | 54 | public BlurringTextureView(Context context, AttributeSet attrs) { 55 | super(context, attrs); 56 | init(); 57 | } 58 | 59 | public BlurringTextureView(Context context, AttributeSet attrs, int defStyleAttr) { 60 | super(context, attrs, defStyleAttr); 61 | init(); 62 | } 63 | 64 | void init() { 65 | super.setSurfaceTextureListener(this); 66 | } 67 | 68 | private final ViewTreeObserver.OnPreDrawListener preDrawListener = new ViewTreeObserver.OnPreDrawListener() { 69 | @Override 70 | public boolean onPreDraw() { 71 | final int[] locations = new int[2]; 72 | if (isShown() && backgroundSurface != null) { 73 | Activity a = null; 74 | Context ctx = getContext(); 75 | while (true) { 76 | if (ctx instanceof Activity) { 77 | a = (Activity) ctx; 78 | break; 79 | } else if (ctx instanceof ContextWrapper) { 80 | ctx = ((ContextWrapper) ctx).getBaseContext(); 81 | } else { 82 | break; 83 | } 84 | } 85 | 86 | if (a == null) { 87 | // Not in a activity 88 | return true; 89 | } 90 | 91 | ViewGroup decor = (ViewGroup) a.getWindow().getDecorView(); 92 | decor.getLocationInWindow(locations); 93 | int x = -locations[0]; 94 | int y = -locations[1]; 95 | 96 | getLocationInWindow(locations); 97 | x += locations[0]; 98 | y += locations[1]; 99 | 100 | if (decor.getBackground() instanceof ColorDrawable) { 101 | backgroundColor = ((ColorDrawable) decor.getBackground()).getColor(); 102 | } else { 103 | backgroundColor = 0xffffffff; 104 | } 105 | 106 | Canvas backgroundCanvas = backgroundSurface.lockCanvas(null); 107 | int rc = backgroundCanvas.save(); 108 | backgroundCanvas.scale(1f / downsampleSize, 1f / downsampleSize); 109 | backgroundCanvas.translate(-x, -y); 110 | 111 | 112 | BlurringTextureView.this.setVisibility(View.INVISIBLE); 113 | // ArrayList topViews = findViewsTopOfThis(decor); 114 | // ArrayList> savedVisibilities = new ArrayList<>(); 115 | // for (View view : topViews) { 116 | // savedVisibilities.add(new Pair<>(view, view.getVisibility())); 117 | // view.setVisibility(View.INVISIBLE); 118 | // } 119 | 120 | decor.draw(backgroundCanvas); 121 | 122 | // for (Pair pair : savedVisibilities) { 123 | // pair.first.setVisibility(pair.second); 124 | // } 125 | BlurringTextureView.this.setVisibility(View.VISIBLE); 126 | 127 | 128 | backgroundCanvas.restoreToCount(rc); 129 | backgroundSurface.unlockCanvasAndPost(backgroundCanvas); 130 | } 131 | 132 | return true; 133 | } 134 | }; 135 | 136 | @Override 137 | protected void onAttachedToWindow() { 138 | super.onAttachedToWindow(); 139 | getViewTreeObserver().addOnPreDrawListener(preDrawListener); 140 | } 141 | 142 | @Override 143 | protected void onDetachedFromWindow() { 144 | getViewTreeObserver().removeOnPreDrawListener(preDrawListener); 145 | super.onDetachedFromWindow(); 146 | } 147 | 148 | @Override 149 | public final void setSurfaceTextureListener(SurfaceTextureListener listener) { 150 | } 151 | 152 | @Override 153 | public void onSurfaceTextureAvailable(SurfaceTexture texture, int width, int height) { 154 | if (renderThread == null) { 155 | renderThread = new RenderThread(texture); 156 | 157 | } else { 158 | if (!renderThread.isInterrupted()) { 159 | renderThread.interrupt(); 160 | renderThread = new RenderThread(texture); 161 | } 162 | } 163 | 164 | renderThread.start(); 165 | } 166 | 167 | @Override 168 | public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) { 169 | } 170 | 171 | @Override 172 | public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) { 173 | if (renderThread != null) { 174 | renderThread.interrupt(); 175 | } 176 | 177 | return true; 178 | } 179 | 180 | 181 | @Override 182 | public void onSurfaceTextureUpdated(SurfaceTexture surface) { 183 | 184 | } 185 | 186 | private static int genTexture() { 187 | int[] genBuf = new int[1]; 188 | GLES20.glGenTextures(1, genBuf, 0); 189 | GLES20.glBindTexture(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, genBuf[0]); 190 | 191 | // Set texture default draw parameters 192 | GLES20.glTexParameterf(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GL10.GL_TEXTURE_MIN_FILTER, GL10.GL_LINEAR); 193 | GLES20.glTexParameterf(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GL10.GL_TEXTURE_MAG_FILTER, GL10.GL_LINEAR); 194 | GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GL10.GL_TEXTURE_WRAP_S, GL10.GL_CLAMP_TO_EDGE); 195 | GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GL10.GL_TEXTURE_WRAP_T, GL10.GL_CLAMP_TO_EDGE); 196 | 197 | return genBuf[0]; 198 | } 199 | 200 | private class RenderThread extends Thread { 201 | private SurfaceTexture surfaceTexture; 202 | 203 | RenderThread(SurfaceTexture surfaceTexture) { 204 | this.surfaceTexture = surfaceTexture; 205 | } 206 | 207 | @Override 208 | public void run() { 209 | initGL(surfaceTexture); 210 | 211 | int textureId = genTexture(); 212 | int width = (int) (getWidth() / downsampleSize); 213 | int height = (int) (getHeight() / downsampleSize); 214 | 215 | SurfaceTexture backgroundTexture = new SurfaceTexture(textureId); 216 | backgroundTexture.setDefaultBufferSize(width, height); 217 | backgroundSurface = new Surface(backgroundTexture); 218 | 219 | BlurFilter filter = new BlurFilter(getContext()); 220 | 221 | while (!Thread.currentThread().isInterrupted()) { 222 | try { 223 | GLES20.glClearColor( 224 | ((backgroundColor << 16) & 0xff) / 255f, 225 | ((backgroundColor << 8) & 0xff) / 255f, 226 | (backgroundColor & 0xff) / 255f, 227 | 1f 228 | ); 229 | 230 | backgroundTexture.updateTexImage(); 231 | filter.draw(textureId, getWidth(), getHeight()); 232 | 233 | // Flush 234 | GLES20.glFlush(); 235 | egl10.eglSwapBuffers(eglDisplay, eglSurface); 236 | 237 | Thread.sleep(DRAW_INTERVAL); 238 | 239 | } catch (InterruptedException e) { 240 | Thread.currentThread().interrupt(); 241 | } 242 | } 243 | 244 | if (backgroundSurface != null) { 245 | backgroundSurface.release(); 246 | backgroundSurface = null; 247 | } 248 | 249 | backgroundTexture.release(); 250 | } 251 | } 252 | 253 | private void initGL(SurfaceTexture texture) { 254 | egl10 = (EGL10) EGLContext.getEGL(); 255 | 256 | eglDisplay = egl10.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY); 257 | if (eglDisplay == EGL10.EGL_NO_DISPLAY) { 258 | throw new RuntimeException("eglGetDisplay failed " + 259 | android.opengl.GLUtils.getEGLErrorString(egl10.eglGetError())); 260 | } 261 | 262 | int[] version = new int[2]; 263 | if (!egl10.eglInitialize(eglDisplay, version)) { 264 | throw new RuntimeException("eglInitialize failed " + 265 | android.opengl.GLUtils.getEGLErrorString(egl10.eglGetError())); 266 | } 267 | 268 | int[] configsCount = new int[1]; 269 | EGLConfig[] configs = new EGLConfig[1]; 270 | int[] configSpec = { 271 | EGL10.EGL_RENDERABLE_TYPE, 272 | EGL_OPENGL_ES2_BIT, 273 | EGL10.EGL_RED_SIZE, 8, 274 | EGL10.EGL_GREEN_SIZE, 8, 275 | EGL10.EGL_BLUE_SIZE, 8, 276 | EGL10.EGL_ALPHA_SIZE, 8, 277 | EGL10.EGL_DEPTH_SIZE, 0, 278 | EGL10.EGL_STENCIL_SIZE, 0, 279 | EGL10.EGL_NONE 280 | }; 281 | 282 | EGLConfig eglConfig = null; 283 | if (!egl10.eglChooseConfig(eglDisplay, configSpec, configs, 1, configsCount)) { 284 | throw new IllegalArgumentException("eglChooseConfig failed " + 285 | android.opengl.GLUtils.getEGLErrorString(egl10.eglGetError())); 286 | } else if (configsCount[0] > 0) { 287 | eglConfig = configs[0]; 288 | } 289 | if (eglConfig == null) { 290 | throw new RuntimeException("eglConfig not initialized"); 291 | } 292 | 293 | int[] attrib_list = {EGL_CONTEXT_CLIENT_VERSION, 2, EGL10.EGL_NONE}; 294 | eglContext = egl10.eglCreateContext(eglDisplay, eglConfig, EGL10.EGL_NO_CONTEXT, attrib_list); 295 | eglSurface = egl10.eglCreateWindowSurface(eglDisplay, eglConfig, texture, null); 296 | 297 | if (eglSurface == null || eglSurface == EGL10.EGL_NO_SURFACE) { 298 | int error = egl10.eglGetError(); 299 | if (error == EGL10.EGL_BAD_NATIVE_WINDOW) { 300 | Log.e(TAG, "eglCreateWindowSurface returned EGL10.EGL_BAD_NATIVE_WINDOW"); 301 | return; 302 | } 303 | throw new RuntimeException("eglCreateWindowSurface failed " + 304 | android.opengl.GLUtils.getEGLErrorString(error)); 305 | } 306 | 307 | if (!egl10.eglMakeCurrent(eglDisplay, eglSurface, eglSurface, eglContext)) { 308 | throw new RuntimeException("eglMakeCurrent failed " + 309 | android.opengl.GLUtils.getEGLErrorString(egl10.eglGetError())); 310 | } 311 | } 312 | 313 | private ArrayList findViewsTopOfThis(ViewGroup root) { 314 | ArrayList views = new ArrayList<>(); 315 | findViewsTopOfThis(root, views, new boolean[]{false}); 316 | return views; 317 | } 318 | 319 | private void findViewsTopOfThis(ViewGroup root, ArrayList topViews, boolean[] isSelfFinded) { 320 | int count = root.getChildCount(); 321 | for (int i = 0; i < count; i++) { 322 | View child = root.getChildAt(i); 323 | 324 | if (isSelfFinded[0]) { 325 | topViews.add(child); 326 | 327 | } else { 328 | if (child == this) { 329 | topViews.add(child); 330 | isSelfFinded[0] = true; 331 | 332 | } else if (child instanceof ViewGroup) { 333 | findViewsTopOfThis((ViewGroup) child, topViews, isSelfFinded); 334 | } 335 | } 336 | } 337 | } 338 | } 339 | -------------------------------------------------------------------------------- /app/src/main/java/cn/nekocode/blurringview/sample/MainActivity.java: -------------------------------------------------------------------------------- 1 | package cn.nekocode.blurringview.sample; 2 | 3 | import android.support.v7.app.AppCompatActivity; 4 | import android.os.Bundle; 5 | import android.view.View; 6 | import android.widget.LinearLayout; 7 | import android.widget.TextView; 8 | 9 | public class MainActivity extends AppCompatActivity { 10 | 11 | @Override 12 | protected void onCreate(Bundle savedInstanceState) { 13 | super.onCreate(savedInstanceState); 14 | setContentView(R.layout.activity_main); 15 | } 16 | } 17 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/bg.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 9 | 10 | 14 | 19 | 20 | 25 | 26 | 27 | 28 | 29 | 36 | 37 | 38 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nekocode/blur-using-textureview/cdfa86c374b1c5d585b0ad39ada8d76b319bb7a2/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nekocode/blur-using-textureview/cdfa86c374b1c5d585b0ad39ada8d76b319bb7a2/app/src/main/res/mipmap-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nekocode/blur-using-textureview/cdfa86c374b1c5d585b0ad39ada8d76b319bb7a2/app/src/main/res/mipmap-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nekocode/blur-using-textureview/cdfa86c374b1c5d585b0ad39ada8d76b319bb7a2/app/src/main/res/mipmap-xxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nekocode/blur-using-textureview/cdfa86c374b1c5d585b0ad39ada8d76b319bb7a2/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/raw/blur.fsh: -------------------------------------------------------------------------------- 1 | #extension GL_OES_EGL_image_external : require 2 | precision mediump float; 3 | 4 | uniform vec3 iResolution; 5 | uniform samplerExternalOES iChannel0; 6 | varying vec2 texCoord; 7 | 8 | // https://www.shadertoy.com/view/Mtl3Rj 9 | 10 | float SCurve (float x) { 11 | // ---- by CeeJayDK 12 | x = x * 2.0 - 1.0; 13 | return -x * abs(x) * 0.5 + x + 0.5; 14 | } 15 | 16 | vec4 BlurH (samplerExternalOES source, vec2 size, vec2 uv, float radius) { 17 | 18 | if (radius >= 1.0) 19 | { 20 | vec4 A = vec4(0.0); 21 | vec4 C = vec4(0.0); 22 | 23 | float width = 1.0 / size.x; 24 | 25 | float divisor = 0.0; 26 | float weight = 0.0; 27 | 28 | float radiusMultiplier = 1.0 / radius; 29 | 30 | // Hardcoded for radius 20 (normally we input the radius 31 | // in there), needs to be literal here 32 | 33 | for (float x = -20.0; x <= 20.0; x++) 34 | { 35 | A = texture2D(source, uv + vec2(x * width, 0.0)); 36 | 37 | weight = SCurve(1.0 - (abs(x) * radiusMultiplier)); 38 | 39 | C += A * weight; 40 | 41 | divisor += weight; 42 | } 43 | 44 | return vec4(C.r / divisor, C.g / divisor, C.b / divisor, 1.0); 45 | } 46 | 47 | return texture2D(source, uv); 48 | } 49 | 50 | 51 | void mainImage( out vec4 fragColor, in vec2 fragCoord ) 52 | { 53 | 54 | vec2 uv = fragCoord.xy / iResolution.xy; 55 | 56 | // Apply horizontal blur to final output 57 | fragColor = BlurH(iChannel0, iResolution.xy, uv, 20.0); 58 | } 59 | 60 | void main() { 61 | mainImage(gl_FragColor, texCoord*iResolution.xy); 62 | } 63 | -------------------------------------------------------------------------------- /app/src/main/res/values-w820dp/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 64dp 6 | 7 | -------------------------------------------------------------------------------- /app/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #3f51b5 4 | #303F9F 5 | #ff4081 6 | 7 | -------------------------------------------------------------------------------- /app/src/main/res/values/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 16dp 4 | 16dp 5 | 6 | -------------------------------------------------------------------------------- /app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | BlurringView 3 | 4 | -------------------------------------------------------------------------------- /app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 10 | 11 | 12 | -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | // Top-level build file where you can add configuration options common to all sub-projects/modules. 2 | 3 | buildscript { 4 | repositories { 5 | jcenter() 6 | } 7 | dependencies { 8 | classpath 'com.android.tools.build:gradle:2.2.0' 9 | 10 | // NOTE: Do not place your application dependencies here; they belong 11 | // in the individual module build.gradle files 12 | } 13 | } 14 | 15 | allprojects { 16 | repositories { 17 | jcenter() 18 | } 19 | } 20 | 21 | task clean(type: Delete) { 22 | delete rootProject.buildDir 23 | } 24 | -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | # Project-wide Gradle settings. 2 | 3 | # IDE (e.g. Android Studio) users: 4 | # Gradle settings configured through the IDE *will override* 5 | # any settings specified in this file. 6 | 7 | # For more details on how to configure your build environment visit 8 | # http://www.gradle.org/docs/current/userguide/build_environment.html 9 | 10 | # Specifies the JVM arguments used for the daemon process. 11 | # The setting is particularly useful for tweaking memory settings. 12 | # Default value: -Xmx10248m -XX:MaxPermSize=256m 13 | # org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8 14 | 15 | # When configured, Gradle will run in incubating parallel mode. 16 | # This option should only be used with decoupled projects. More details, visit 17 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects 18 | # org.gradle.parallel=true -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nekocode/blur-using-textureview/cdfa86c374b1c5d585b0ad39ada8d76b319bb7a2/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Mon Aug 22 14:33:28 CST 2016 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip 7 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env bash 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 10 | DEFAULT_JVM_OPTS="" 11 | 12 | APP_NAME="Gradle" 13 | APP_BASE_NAME=`basename "$0"` 14 | 15 | # Use the maximum available, or set MAX_FD != -1 to use that value. 16 | MAX_FD="maximum" 17 | 18 | warn ( ) { 19 | echo "$*" 20 | } 21 | 22 | die ( ) { 23 | echo 24 | echo "$*" 25 | echo 26 | exit 1 27 | } 28 | 29 | # OS specific support (must be 'true' or 'false'). 30 | cygwin=false 31 | msys=false 32 | darwin=false 33 | case "`uname`" in 34 | CYGWIN* ) 35 | cygwin=true 36 | ;; 37 | Darwin* ) 38 | darwin=true 39 | ;; 40 | MINGW* ) 41 | msys=true 42 | ;; 43 | esac 44 | 45 | # Attempt to set APP_HOME 46 | # Resolve links: $0 may be a link 47 | PRG="$0" 48 | # Need this for relative symlinks. 49 | while [ -h "$PRG" ] ; do 50 | ls=`ls -ld "$PRG"` 51 | link=`expr "$ls" : '.*-> \(.*\)$'` 52 | if expr "$link" : '/.*' > /dev/null; then 53 | PRG="$link" 54 | else 55 | PRG=`dirname "$PRG"`"/$link" 56 | fi 57 | done 58 | SAVED="`pwd`" 59 | cd "`dirname \"$PRG\"`/" >/dev/null 60 | APP_HOME="`pwd -P`" 61 | cd "$SAVED" >/dev/null 62 | 63 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 64 | 65 | # Determine the Java command to use to start the JVM. 66 | if [ -n "$JAVA_HOME" ] ; then 67 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 68 | # IBM's JDK on AIX uses strange locations for the executables 69 | JAVACMD="$JAVA_HOME/jre/sh/java" 70 | else 71 | JAVACMD="$JAVA_HOME/bin/java" 72 | fi 73 | if [ ! -x "$JAVACMD" ] ; then 74 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 75 | 76 | Please set the JAVA_HOME variable in your environment to match the 77 | location of your Java installation." 78 | fi 79 | else 80 | JAVACMD="java" 81 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 82 | 83 | Please set the JAVA_HOME variable in your environment to match the 84 | location of your Java installation." 85 | fi 86 | 87 | # Increase the maximum file descriptors if we can. 88 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then 89 | MAX_FD_LIMIT=`ulimit -H -n` 90 | if [ $? -eq 0 ] ; then 91 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 92 | MAX_FD="$MAX_FD_LIMIT" 93 | fi 94 | ulimit -n $MAX_FD 95 | if [ $? -ne 0 ] ; then 96 | warn "Could not set maximum file descriptor limit: $MAX_FD" 97 | fi 98 | else 99 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 100 | fi 101 | fi 102 | 103 | # For Darwin, add options to specify how the application appears in the dock 104 | if $darwin; then 105 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 106 | fi 107 | 108 | # For Cygwin, switch paths to Windows format before running java 109 | if $cygwin ; then 110 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 111 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 112 | JAVACMD=`cygpath --unix "$JAVACMD"` 113 | 114 | # We build the pattern for arguments to be converted via cygpath 115 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 116 | SEP="" 117 | for dir in $ROOTDIRSRAW ; do 118 | ROOTDIRS="$ROOTDIRS$SEP$dir" 119 | SEP="|" 120 | done 121 | OURCYGPATTERN="(^($ROOTDIRS))" 122 | # Add a user-defined pattern to the cygpath arguments 123 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 124 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 125 | fi 126 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 127 | i=0 128 | for arg in "$@" ; do 129 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 130 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 131 | 132 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 133 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 134 | else 135 | eval `echo args$i`="\"$arg\"" 136 | fi 137 | i=$((i+1)) 138 | done 139 | case $i in 140 | (0) set -- ;; 141 | (1) set -- "$args0" ;; 142 | (2) set -- "$args0" "$args1" ;; 143 | (3) set -- "$args0" "$args1" "$args2" ;; 144 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 145 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 146 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 147 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 148 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 149 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 150 | esac 151 | fi 152 | 153 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules 154 | function splitJvmOpts() { 155 | JVM_OPTS=("$@") 156 | } 157 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS 158 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME" 159 | 160 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@" 161 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 12 | set DEFAULT_JVM_OPTS= 13 | 14 | set DIRNAME=%~dp0 15 | if "%DIRNAME%" == "" set DIRNAME=. 16 | set APP_BASE_NAME=%~n0 17 | set APP_HOME=%DIRNAME% 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windowz variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | if "%@eval[2+2]" == "4" goto 4NT_args 53 | 54 | :win9xME_args 55 | @rem Slurp the command line arguments. 56 | set CMD_LINE_ARGS= 57 | set _SKIP=2 58 | 59 | :win9xME_args_slurp 60 | if "x%~1" == "x" goto execute 61 | 62 | set CMD_LINE_ARGS=%* 63 | goto execute 64 | 65 | :4NT_args 66 | @rem Get arguments from the 4NT Shell from JP Software 67 | set CMD_LINE_ARGS=%$ 68 | 69 | :execute 70 | @rem Setup the command line 71 | 72 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 73 | 74 | @rem Execute Gradle 75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 76 | 77 | :end 78 | @rem End local scope for the variables with windows NT shell 79 | if "%ERRORLEVEL%"=="0" goto mainEnd 80 | 81 | :fail 82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 83 | rem the _cmd.exe /c_ return code! 84 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 85 | exit /b 1 86 | 87 | :mainEnd 88 | if "%OS%"=="Windows_NT" endlocal 89 | 90 | :omega 91 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | --------------------------------------------------------------------------------