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Unified Diff: platform_tools/android/apps/sample_app/src/main/java/com/skia/SkiaSampleView.java

Issue 2099693002: Revert of Remove Android SampleApp (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 4 years, 6 months ago
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Index: platform_tools/android/apps/sample_app/src/main/java/com/skia/SkiaSampleView.java
diff --git a/platform_tools/android/apps/sample_app/src/main/java/com/skia/SkiaSampleView.java b/platform_tools/android/apps/sample_app/src/main/java/com/skia/SkiaSampleView.java
new file mode 100644
index 0000000000000000000000000000000000000000..6213a6f35be2b06a6fef620d81a99f90537643a7
--- /dev/null
+++ b/platform_tools/android/apps/sample_app/src/main/java/com/skia/SkiaSampleView.java
@@ -0,0 +1,310 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+package com.skia;
+
+import javax.microedition.khronos.egl.EGL10;
+import javax.microedition.khronos.egl.EGLConfig;
+import javax.microedition.khronos.egl.EGLDisplay;
+import javax.microedition.khronos.opengles.GL10;
+
+import android.content.Context;
+import android.opengl.EGL14;
+import android.opengl.GLSurfaceView;
+import android.os.Build;
+import android.util.Log;
+import android.view.MotionEvent;
+import android.widget.Toast;
+
+public class SkiaSampleView extends GLSurfaceView {
+
+ private final SkiaSampleRenderer mSampleRenderer;
+ private boolean mRequestedOpenGLAPI; // true == use (desktop) OpenGL. false == use OpenGL ES.
+ private int mRequestedMSAASampleCount;
+
+ public SkiaSampleView(Context ctx, String cmdLineFlags, boolean useOpenGL, int msaaSampleCount) {
+ super(ctx);
+
+ mSampleRenderer = new SkiaSampleRenderer(this, cmdLineFlags);
+ mRequestedMSAASampleCount = msaaSampleCount;
+
+ setEGLContextClientVersion(2);
+ if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
+ setEGLConfigChooser(8, 8, 8, 8, 0, 8);
+ } else {
+ mRequestedOpenGLAPI = useOpenGL;
+ setEGLConfigChooser(new SampleViewEGLConfigChooser());
+ }
+ setRenderer(mSampleRenderer);
+ setRenderMode(GLSurfaceView.RENDERMODE_WHEN_DIRTY);
+ }
+
+ @Override
+ public boolean onTouchEvent(MotionEvent event) {
+ int count = event.getPointerCount();
+ for (int i = 0; i < count; i++) {
+ final float x = event.getX(i);
+ final float y = event.getY(i);
+ final int owner = event.getPointerId(i);
+ int action = event.getAction() & MotionEvent.ACTION_MASK;
+ switch (action) {
+ case MotionEvent.ACTION_POINTER_UP:
+ action = MotionEvent.ACTION_UP;
+ break;
+ case MotionEvent.ACTION_POINTER_DOWN:
+ action = MotionEvent.ACTION_DOWN;
+ break;
+ default:
+ break;
+ }
+ final int finalAction = action;
+ queueEvent(new Runnable() {
+ @Override
+ public void run() {
+ mSampleRenderer.handleClick(owner, x, y, finalAction);
+ }
+ });
+ }
+ return true;
+ }
+
+ public void inval() {
+ queueEvent(new Runnable() {
+ @Override
+ public void run() {
+ mSampleRenderer.postInval();
+ }
+ });
+ }
+
+ public void terminate() {
+ queueEvent(new Runnable() {
+ @Override
+ public void run() {
+ mSampleRenderer.term();
+ }
+ });
+ }
+
+ public void showOverview() {
+ queueEvent(new Runnable() {
+ @Override
+ public void run() {
+ mSampleRenderer.showOverview();
+ }
+ });
+ }
+
+ public void nextSample() {
+ queueEvent(new Runnable() {
+ @Override
+ public void run() {
+ mSampleRenderer.nextSample();
+ }
+ });
+ }
+
+ public void previousSample() {
+ queueEvent(new Runnable() {
+ @Override
+ public void run() {
+ mSampleRenderer.previousSample();
+ }
+ });
+ }
+
+ public void goToSample(final int position) {
+ queueEvent(new Runnable() {
+ @Override
+ public void run() {
+ mSampleRenderer.goToSample(position);
+ }
+ });
+ }
+
+ public void toggleRenderingMode() {
+ queueEvent(new Runnable() {
+ @Override
+ public void run() {
+ mSampleRenderer.toggleRenderingMode();
+ }
+ });
+ }
+
+ public void toggleSlideshow() {
+ queueEvent(new Runnable() {
+ @Override
+ public void run() {
+ mSampleRenderer.toggleSlideshow();
+ }
+ });
+ }
+
+ public void toggleFPS() {
+ queueEvent(new Runnable() {
+ @Override
+ public void run() {
+ mSampleRenderer.toggleFPS();
+ }
+ });
+ }
+
+ public void toggleTiling() {
+ queueEvent(new Runnable() {
+ @Override
+ public void run() {
+ mSampleRenderer.toggleTiling();
+ }
+ });
+ }
+
+ public void toggleBBox() {
+ queueEvent(new Runnable() {
+ @Override
+ public void run() {
+ mSampleRenderer.toggleBBox();
+ }
+ });
+ }
+
+ public void saveToPDF() {
+ queueEvent(new Runnable() {
+ @Override
+ public void run() {
+ mSampleRenderer.saveToPDF();
+ }
+ });
+
+ String msg = getContext().getString(R.string.pdf_save_info);
+ Toast.makeText(getContext(), msg, Toast.LENGTH_SHORT).show();
+ }
+
+ public boolean getUsesOpenGLAPI() {
+ return mRequestedOpenGLAPI;
+ }
+
+ public int getMSAASampleCount() {
+ return mSampleRenderer.getMSAASampleCount();
+ }
+
+ private class SampleViewEGLConfigChooser implements GLSurfaceView.EGLConfigChooser {
+
+ @Override
+ public EGLConfig chooseConfig(EGL10 egl, EGLDisplay display) {
+ int numConfigs = 0;
+ int[] configSpec = null;
+ int[] value = new int[1];
+
+ int[] validAPIs = new int[] {
+ EGL14.EGL_OPENGL_API,
+ EGL14.EGL_OPENGL_ES_API
+ };
+ int initialAPI = mRequestedOpenGLAPI ? 0 : 1;
+
+ for (int i = initialAPI; i < validAPIs.length && numConfigs == 0; i++) {
+ int currentAPI = validAPIs[i];
+ EGL14.eglBindAPI(currentAPI);
+
+ // setup the renderableType which will only be included in the
+ // spec if we are attempting to get access to the OpenGL APIs.
+ int renderableType = EGL14.EGL_OPENGL_BIT;
+ if (currentAPI == EGL14.EGL_OPENGL_API) {
+ renderableType = EGL14.EGL_OPENGL_ES2_BIT;
+ }
+
+ if (mRequestedMSAASampleCount > 0) {
+ configSpec = new int[] {
+ EGL10.EGL_RED_SIZE, 8,
+ EGL10.EGL_GREEN_SIZE, 8,
+ EGL10.EGL_BLUE_SIZE, 8,
+ EGL10.EGL_ALPHA_SIZE, 8,
+ EGL10.EGL_DEPTH_SIZE, 0,
+ EGL10.EGL_STENCIL_SIZE, 8,
+ EGL10.EGL_SAMPLE_BUFFERS, 1,
+ EGL10.EGL_SAMPLES, mRequestedMSAASampleCount,
+ EGL10.EGL_RENDERABLE_TYPE, renderableType,
+ EGL10.EGL_NONE
+ };
+
+ // EGL_RENDERABLE_TYPE is only needed when attempting to use
+ // the OpenGL API (not ES) and causes many EGL drivers to fail
+ // with a BAD_ATTRIBUTE error.
+ if (!mRequestedOpenGLAPI) {
+ configSpec[16] = EGL10.EGL_NONE;
+ Log.i("Skia", "spec: " + configSpec);
+ }
+
+ if (!egl.eglChooseConfig(display, configSpec, null, 0, value)) {
+ Log.i("Skia", "Could not get MSAA context count: " + mRequestedMSAASampleCount);
+ }
+
+ numConfigs = value[0];
+ }
+
+ if (numConfigs <= 0) {
+ // Try without multisampling.
+ configSpec = new int[] {
+ EGL10.EGL_RED_SIZE, 8,
+ EGL10.EGL_GREEN_SIZE, 8,
+ EGL10.EGL_BLUE_SIZE, 8,
+ EGL10.EGL_ALPHA_SIZE, 8,
+ EGL10.EGL_DEPTH_SIZE, 0,
+ EGL10.EGL_STENCIL_SIZE, 8,
+ EGL10.EGL_RENDERABLE_TYPE, renderableType,
+ EGL10.EGL_NONE
+ };
+
+ // EGL_RENDERABLE_TYPE is only needed when attempting to use
+ // the OpenGL API (not ES) and causes many EGL drivers to fail
+ // with a BAD_ATTRIBUTE error.
+ if (!mRequestedOpenGLAPI) {
+ configSpec[12] = EGL10.EGL_NONE;
+ Log.i("Skia", "spec: " + configSpec);
+ }
+
+ if (!egl.eglChooseConfig(display, configSpec, null, 0, value)) {
+ Log.i("Skia", "Could not get non-MSAA context count");
+ }
+ numConfigs = value[0];
+ }
+ }
+
+ if (numConfigs <= 0) {
+ throw new IllegalArgumentException("No configs match configSpec");
+ }
+
+ // Get all matching configurations.
+ EGLConfig[] configs = new EGLConfig[numConfigs];
+ if (!egl.eglChooseConfig(display, configSpec, configs, numConfigs, value)) {
+ throw new IllegalArgumentException("Could not get config data");
+ }
+
+ for (int i = 0; i < configs.length; ++i) {
+ EGLConfig config = configs[i];
+ if (findConfigAttrib(egl, display, config , EGL10.EGL_RED_SIZE, 0) == 8 &&
+ findConfigAttrib(egl, display, config, EGL10.EGL_BLUE_SIZE, 0) == 8 &&
+ findConfigAttrib(egl, display, config, EGL10.EGL_GREEN_SIZE, 0) == 8 &&
+ findConfigAttrib(egl, display, config, EGL10.EGL_ALPHA_SIZE, 0) == 8 &&
+ findConfigAttrib(egl, display, config, EGL10.EGL_STENCIL_SIZE, 0) == 8) {
+ return config;
+ }
+ }
+
+ throw new IllegalArgumentException("Could not find suitable EGL config");
+ }
+
+ private int findConfigAttrib(EGL10 egl, EGLDisplay display,
+ EGLConfig config, int attribute, int defaultValue) {
+ int[] value = new int[1];
+ if (egl.eglGetConfigAttrib(display, config, attribute, value)) {
+ return value[0];
+ }
+ return defaultValue;
+ }
+
+ }
+}

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