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Diffstat (limited to 'src/com/android/camera/MosaicPreviewRenderer.java')
-rw-r--r--src/com/android/camera/MosaicPreviewRenderer.java265
1 files changed, 0 insertions, 265 deletions
diff --git a/src/com/android/camera/MosaicPreviewRenderer.java b/src/com/android/camera/MosaicPreviewRenderer.java
deleted file mode 100644
index 26ce733aa..000000000
--- a/src/com/android/camera/MosaicPreviewRenderer.java
+++ /dev/null
@@ -1,265 +0,0 @@
-/*
- * Copyright (C) 2011 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.camera;
-
-import android.annotation.TargetApi;
-import android.graphics.SurfaceTexture;
-import android.os.ConditionVariable;
-import android.os.Handler;
-import android.os.HandlerThread;
-import android.os.Looper;
-import android.os.Message;
-import android.util.Log;
-
-import com.android.gallery3d.common.ApiHelper;
-
-import javax.microedition.khronos.egl.EGL10;
-import javax.microedition.khronos.egl.EGLConfig;
-import javax.microedition.khronos.egl.EGLContext;
-import javax.microedition.khronos.egl.EGLDisplay;
-import javax.microedition.khronos.egl.EGLSurface;
-import javax.microedition.khronos.opengles.GL10;
-
-@TargetApi(ApiHelper.VERSION_CODES.HONEYCOMB) // uses SurfaceTexture
-public class MosaicPreviewRenderer {
- private static final String TAG = "MosaicPreviewRenderer";
- private static final int EGL_CONTEXT_CLIENT_VERSION = 0x3098;
- private static final boolean DEBUG = false;
-
- private int mWidth; // width of the view in UI
- private int mHeight; // height of the view in UI
-
- private boolean mIsLandscape = true;
- private final float[] mTransformMatrix = new float[16];
-
- private ConditionVariable mEglThreadBlockVar = new ConditionVariable();
- private HandlerThread mEglThread;
- private EGLHandler mEglHandler;
-
- private EGLConfig mEglConfig;
- private EGLDisplay mEglDisplay;
- private EGLContext mEglContext;
- private EGLSurface mEglSurface;
- private SurfaceTexture mMosaicOutputSurfaceTexture;
- private SurfaceTexture mInputSurfaceTexture;
- private EGL10 mEgl;
- private GL10 mGl;
-
- private class EGLHandler extends Handler {
- public static final int MSG_INIT_EGL_SYNC = 0;
- public static final int MSG_SHOW_PREVIEW_FRAME_SYNC = 1;
- public static final int MSG_SHOW_PREVIEW_FRAME = 2;
- public static final int MSG_ALIGN_FRAME_SYNC = 3;
- public static final int MSG_RELEASE = 4;
-
- public EGLHandler(Looper looper) {
- super(looper);
- }
-
- @Override
- public void handleMessage(Message msg) {
- switch (msg.what) {
- case MSG_INIT_EGL_SYNC:
- doInitGL();
- mEglThreadBlockVar.open();
- break;
- case MSG_SHOW_PREVIEW_FRAME_SYNC:
- doShowPreviewFrame();
- mEglThreadBlockVar.open();
- break;
- case MSG_SHOW_PREVIEW_FRAME:
- doShowPreviewFrame();
- break;
- case MSG_ALIGN_FRAME_SYNC:
- doAlignFrame();
- mEglThreadBlockVar.open();
- break;
- case MSG_RELEASE:
- doRelease();
- mEglThreadBlockVar.open();
- break;
- }
- }
-
- private void doAlignFrame() {
- mInputSurfaceTexture.updateTexImage();
- mInputSurfaceTexture.getTransformMatrix(mTransformMatrix);
-
- MosaicRenderer.setWarping(true);
- // Call preprocess to render it to low-res and high-res RGB textures.
- MosaicRenderer.preprocess(mTransformMatrix);
- // Now, transfer the textures from GPU to CPU memory for processing
- MosaicRenderer.transferGPUtoCPU();
- MosaicRenderer.updateMatrix();
- draw();
- mEgl.eglSwapBuffers(mEglDisplay, mEglSurface);
- }
-
- private void doShowPreviewFrame() {
- mInputSurfaceTexture.updateTexImage();
- mInputSurfaceTexture.getTransformMatrix(mTransformMatrix);
-
- MosaicRenderer.setWarping(false);
- // Call preprocess to render it to low-res and high-res RGB textures.
- MosaicRenderer.preprocess(mTransformMatrix);
- MosaicRenderer.updateMatrix();
- draw();
- mEgl.eglSwapBuffers(mEglDisplay, mEglSurface);
- }
-
- private void doInitGL() {
- // These are copied from GLSurfaceView
- mEgl = (EGL10) EGLContext.getEGL();
- mEglDisplay = mEgl.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY);
- if (mEglDisplay == EGL10.EGL_NO_DISPLAY) {
- throw new RuntimeException("eglGetDisplay failed");
- }
- int[] version = new int[2];
- if (!mEgl.eglInitialize(mEglDisplay, version)) {
- throw new RuntimeException("eglInitialize failed");
- } else {
- Log.v(TAG, "EGL version: " + version[0] + '.' + version[1]);
- }
- int[] attribList = {EGL_CONTEXT_CLIENT_VERSION, 2, EGL10.EGL_NONE };
- mEglConfig = chooseConfig(mEgl, mEglDisplay);
- mEglContext = mEgl.eglCreateContext(mEglDisplay, mEglConfig, EGL10.EGL_NO_CONTEXT,
- attribList);
-
- if (mEglContext == null || mEglContext == EGL10.EGL_NO_CONTEXT) {
- throw new RuntimeException("failed to createContext");
- }
- mEglSurface = mEgl.eglCreateWindowSurface(
- mEglDisplay, mEglConfig, mMosaicOutputSurfaceTexture, null);
- if (mEglSurface == null || mEglSurface == EGL10.EGL_NO_SURFACE) {
- throw new RuntimeException("failed to createWindowSurface");
- }
-
- if (!mEgl.eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface, mEglContext)) {
- throw new RuntimeException("failed to eglMakeCurrent");
- }
-
- mGl = (GL10) mEglContext.getGL();
-
- mInputSurfaceTexture = new SurfaceTexture(MosaicRenderer.init());
- MosaicRenderer.reset(mWidth, mHeight, mIsLandscape);
- }
-
- private void doRelease() {
- mEgl.eglDestroySurface(mEglDisplay, mEglSurface);
- mEgl.eglDestroyContext(mEglDisplay, mEglContext);
- mEgl.eglMakeCurrent(mEglDisplay, EGL10.EGL_NO_SURFACE, EGL10.EGL_NO_SURFACE,
- EGL10.EGL_NO_CONTEXT);
- mEgl.eglTerminate(mEglDisplay);
- mEglSurface = null;
- mEglContext = null;
- mEglDisplay = null;
- releaseSurfaceTexture(mInputSurfaceTexture);
- mEglThread.quit();
- }
-
- @TargetApi(ApiHelper.VERSION_CODES.ICE_CREAM_SANDWICH)
- private void releaseSurfaceTexture(SurfaceTexture st) {
- if (ApiHelper.HAS_RELEASE_SURFACE_TEXTURE) {
- st.release();
- }
- }
-
- // Should be called from other thread.
- public void sendMessageSync(int msg) {
- mEglThreadBlockVar.close();
- sendEmptyMessage(msg);
- mEglThreadBlockVar.block();
- }
-
- }
-
- public MosaicPreviewRenderer(SurfaceTexture tex, int w, int h, boolean isLandscape) {
- mMosaicOutputSurfaceTexture = tex;
- mWidth = w;
- mHeight = h;
- mIsLandscape = isLandscape;
-
- mEglThread = new HandlerThread("PanoramaRealtimeRenderer");
- mEglThread.start();
- mEglHandler = new EGLHandler(mEglThread.getLooper());
-
- // We need to sync this because the generation of surface texture for input is
- // done here and the client will continue with the assumption that the
- // generation is completed.
- mEglHandler.sendMessageSync(EGLHandler.MSG_INIT_EGL_SYNC);
- }
-
- public void release() {
- mEglHandler.sendMessageSync(EGLHandler.MSG_RELEASE);
- }
-
- public void showPreviewFrameSync() {
- mEglHandler.sendMessageSync(EGLHandler.MSG_SHOW_PREVIEW_FRAME_SYNC);
- }
-
- public void showPreviewFrame() {
- mEglHandler.sendEmptyMessage(EGLHandler.MSG_SHOW_PREVIEW_FRAME);
- }
-
- public void alignFrameSync() {
- mEglHandler.sendMessageSync(EGLHandler.MSG_ALIGN_FRAME_SYNC);
- }
-
- public SurfaceTexture getInputSurfaceTexture() {
- return mInputSurfaceTexture;
- }
-
- private void draw() {
- MosaicRenderer.step();
- }
-
- private static void checkEglError(String prompt, EGL10 egl) {
- int error;
- while ((error = egl.eglGetError()) != EGL10.EGL_SUCCESS) {
- Log.e(TAG, String.format("%s: EGL error: 0x%x", prompt, error));
- }
- }
-
- private static final int EGL_OPENGL_ES2_BIT = 4;
- private static final int[] CONFIG_SPEC = new int[] {
- EGL10.EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
- EGL10.EGL_RED_SIZE, 8,
- EGL10.EGL_GREEN_SIZE, 8,
- EGL10.EGL_BLUE_SIZE, 8,
- EGL10.EGL_NONE
- };
-
- private static EGLConfig chooseConfig(EGL10 egl, EGLDisplay display) {
- int[] numConfig = new int[1];
- if (!egl.eglChooseConfig(display, CONFIG_SPEC, null, 0, numConfig)) {
- throw new IllegalArgumentException("eglChooseConfig failed");
- }
-
- int numConfigs = numConfig[0];
- if (numConfigs <= 0) {
- throw new IllegalArgumentException("No configs match configSpec");
- }
-
- EGLConfig[] configs = new EGLConfig[numConfigs];
- if (!egl.eglChooseConfig(
- display, CONFIG_SPEC, configs, numConfigs, numConfig)) {
- throw new IllegalArgumentException("eglChooseConfig#2 failed");
- }
-
- return configs[0];
- }
-}
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