From ca1d92e24c999a625132f6186d4e7d8478baf77c Mon Sep 17 00:00:00 2001 From: Simon Date: Fri, 4 Mar 2016 23:15:19 +0000 Subject: [PATCH] Download Freedom & WAD Chooser --- app/src/main/assets/extraparams.txt | 0 .../java/com/drbeef/dvr/DownloadTask.java | 282 +++++++++++ .../java/com/drbeef/dvr/MainActivity.java | 438 ++++++------------ app/src/main/java/com/drbeef/dvr/OpenGL.java | 255 ++++++++++ .../main/java/com/drbeef/dvr/WADChooser.java | 154 +++++- 5 files changed, 839 insertions(+), 290 deletions(-) create mode 100644 app/src/main/assets/extraparams.txt create mode 100644 app/src/main/java/com/drbeef/dvr/DownloadTask.java create mode 100644 app/src/main/java/com/drbeef/dvr/OpenGL.java diff --git a/app/src/main/assets/extraparams.txt b/app/src/main/assets/extraparams.txt new file mode 100644 index 0000000..e69de29 diff --git a/app/src/main/java/com/drbeef/dvr/DownloadTask.java b/app/src/main/java/com/drbeef/dvr/DownloadTask.java new file mode 100644 index 0000000..3f4db74 --- /dev/null +++ b/app/src/main/java/com/drbeef/dvr/DownloadTask.java @@ -0,0 +1,282 @@ +package com.drbeef.dvr; + +import android.app.ProgressDialog; +import android.content.Context; +import android.content.DialogInterface; +import android.os.AsyncTask; +import android.os.SystemClock; +import android.util.Log; + +import java.io.File; +import java.io.FileOutputStream; +import java.io.InputStream; +import java.net.URL; +import java.util.zip.ZipEntry; +import java.util.zip.ZipFile; + +import doom.util.DoomTools; + + +class DownloadTask extends AsyncTask { + + private Context context; + private ProgressDialog pd; + + public boolean please_abort = false; + + private String url = "https://www.dropbox.com/s/whngowjwpkwjht2/freedoom.zip?dl=1"; + private String freedoomZip = DoomTools.GetDVRFolder() + "/freedoom.zip"; + private String wadfile = DoomTools.GetDVRFolder() + "/freedoom.wad"; + + public DownloadTask set_context(Context context){ + this.context = context; + return this; + } + + @Override + protected void onPreExecute (){ + + pd = new ProgressDialog(context); + + pd.setTitle("Downloading FREEDOOM WAD file ..."); + pd.setMessage("starting"); + pd.setIndeterminate(true); + pd.setCancelable(true); + + pd.setOnDismissListener( new DialogInterface.OnDismissListener(){ + public void onDismiss(DialogInterface dialog) { + Log.i( "DownloadTask.java", "onDismiss"); + please_abort = true; + } + }); + + pd.setOnCancelListener( new DialogInterface.OnCancelListener(){ + public void onCancel(DialogInterface dialog) { + Log.i( "DownloadTask.java", "onCancel"); + please_abort = true; + } + }); + + + pd.setButton(ProgressDialog.BUTTON_POSITIVE, "Cancel", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int id) { + pd.dismiss(); + please_abort = true; + } + }); + + pd.show(); + + } + + + public static String printSize( int size ){ + + if ( size >= (1<<20) ) + return String.format("%.1f MB", size * (1.0/(1<<20))); + + if ( size >= (1<<10) ) + return String.format("%.1f KB", size * (1.0/(1<<10))); + + return String.format("%d bytes", size); + + } + + + private void download_demo() throws Exception{ + + Log.i( "DownloadTask.java", "starting to download "+ url); + + if (new File(freedoomZip).exists()){ + Log.i( "DownloadTask.java", freedoomZip + " already there. skipping."); + return; + } + + /// setup output directory + new File(DoomTools.GetDVRFolder()).mkdirs(); + + InputStream is = null; + FileOutputStream fos = null; + + is = new URL(url).openStream(); + fos = new FileOutputStream ( freedoomZip +".part"); + + byte[] buffer = new byte [4096]; + + int totalcount =0; + + long tprint = SystemClock.uptimeMillis(); + int partialcount = 0; + + while(true){ + + if (please_abort) + throw new Exception("aborting") ; + + + int count = is.read (buffer); + + if ( count<=0 ) break; + fos.write (buffer, 0, count); + + totalcount += count; + partialcount += count; + + long tnow = SystemClock.uptimeMillis(); + if ( (tnow-tprint)> 1000) { + + float size_MB = totalcount * (1.0f/(1<<20)); + float speed_KB = partialcount * (1.0f/(1<<10)) * ((tnow-tprint)/1000.0f); + + publishProgress( String.format("downloaded %.1f MB (%.1f KB/sec)", + size_MB, speed_KB)); + + tprint = tnow; + partialcount = 0; + + } + + + } + + is.close(); + fos.close(); + + + new File(freedoomZip +".part" ) + .renameTo(new File(freedoomZip)); + + // done + publishProgress("download done" ); + + SystemClock.sleep(2000); + + } + + private void extract_data() throws Exception{ + Log.i("DownloadTask.java", "extracting WAD data"); + + ZipFile file = new ZipFile (freedoomZip); + extract_file( file, "freedoom.wad", wadfile); + + file.close(); + + // done + publishProgress("extract done" ); + + pd.getButton(ProgressDialog.BUTTON_POSITIVE).setText("Done"); + + SystemClock.sleep(1000); + + } + + private void extract_file( ZipFile file, String entry_name, String output_name ) throws Exception{ + + Log.i( "DownloadTask.java", "extracting " + entry_name + " to " + output_name); + + String short_name = new File(output_name).getName(); + + // create output directory + new File(output_name).getParentFile().mkdirs(); + + ZipEntry entry = file.getEntry(entry_name); + + if ( entry.isDirectory() ){ + Log.i( "DownloadTask.java", entry_name + " is a directory"); + new File(output_name).mkdir(); + return; + } + + + InputStream is = null; + FileOutputStream fos = null; + + is = file.getInputStream(entry); + + fos = new FileOutputStream ( output_name+".part" ); + + byte[] buffer = new byte [4096]; + + int totalcount =0; + + long tprint = SystemClock.uptimeMillis(); + + while(true){ + + if (please_abort) + throw new Exception("aborting") ; + + + int count = is.read (buffer); + //Log.i( "DownloadTask.java", "extracted " + count + " bytes"); + + if ( count<=0 ) break; + fos.write (buffer, 0, count); + + totalcount += count; + + long tnow = SystemClock.uptimeMillis(); + if ( (tnow-tprint)> 1000) { + + float size_MB = totalcount * (1.0f/(1<<20)); + + publishProgress( String.format("%s : extracted %.1f MB", + short_name, size_MB)); + + tprint = tnow; + } + } + + is.close(); + fos.close(); + + /// rename part file + + new File(output_name+".part" ) + .renameTo(new File(output_name)); + + // done + publishProgress( String.format("%s : done.", + short_name)); + } + + @Override + protected Void doInBackground(Void... unused) { + + try { + + //Inform game we are now downloading + //QVRJNILib.setDownloadStatus(2); + + long t = SystemClock.uptimeMillis(); + + download_demo(); + + extract_data(); + + t = SystemClock.uptimeMillis() - t; + + Log.i( "DownloadTask.java", "done in " + t + " ms"); + + } catch (Exception e) { + + e.printStackTrace(); + + //QVRJNILib.setDownloadStatus(0); + publishProgress("Error: " + e ); + } + + return(null); + } + + @Override + protected void onProgressUpdate(String... progress) { + Log.i( "DownloadTask.java", progress[0]); + pd.setMessage( progress[0]); + } + + @Override + protected void onPostExecute(Void unused) { + pd.hide(); + } +} diff --git a/app/src/main/java/com/drbeef/dvr/MainActivity.java b/app/src/main/java/com/drbeef/dvr/MainActivity.java index 918344c..ab2a757 100644 --- a/app/src/main/java/com/drbeef/dvr/MainActivity.java +++ b/app/src/main/java/com/drbeef/dvr/MainActivity.java @@ -27,8 +27,11 @@ import com.google.vrtoolkit.cardboard.Eye; import com.google.vrtoolkit.cardboard.HeadTransform; import com.google.vrtoolkit.cardboard.Viewport; +import java.io.BufferedReader; import java.io.File; +import java.io.FileNotFoundException; import java.io.FileOutputStream; +import java.io.FileReader; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; @@ -51,23 +54,14 @@ public class MainActivity { private static final String TAG = "DVR"; - private static final int GL_RGBA8 = 0x8058; - - private int[] currentFBO = new int[1]; - //Head orientation private float[] eulerAngles = new float[3]; + OpenGL openGL = null; + // Audio Cache Manager private AudioManager mAudioMgr; - - private int MONO = 0; - private int STEREO = 1; - - private int mStereoMode = STEREO; - private int eyeID = 0; - - static private Bitmap mDoomBitmap; + private Bitmap mDoomBitmap; // width of mBitmap private int mDoomWidth; @@ -87,127 +81,11 @@ public class MainActivity private CardboardView cardboardView; - private FloatBuffer screenVertices; - - private int positionParam; - private int texCoordParam; - private int samplerParam; - private int modelViewProjectionParam; - - private float[] modelScreen; - private float[] camera; - private float[] view; - private float[] modelViewProjection; - private float[] modelView; - - private float screenDistance = 8f; - private float screenScale = 4f; - - public static final String vs_Image = - "uniform mat4 u_MVPMatrix;" + - "attribute vec4 a_Position;" + - "attribute vec2 a_texCoord;" + - "varying vec2 v_texCoord;" + - "void main() {" + - " gl_Position = u_MVPMatrix * a_Position;" + - " v_texCoord = a_texCoord;" + - "}"; - - - public static final String fs_Image = - "precision mediump float;" + - "varying vec2 v_texCoord;" + - "uniform sampler2D s_texture;" + - "void main() {" + - " gl_FragColor = texture2D( s_texture, v_texCoord );" + - "}"; - - public static int loadShader(int type, String shaderCode){ - int shader = GLES20.glCreateShader(type); - GLES20.glShaderSource(shader, shaderCode); - GLES20.glCompileShader(shader); - return shader; - } - - //FBO render eye buffer - private DVRFBO fbo; - - - static boolean CreateFBO( DVRFBO fbo, int width, int height) - { - Log.d(TAG, "CreateFBO"); - // Create the color buffer texture. - GLES20.glGenTextures(1, fbo.ColorTexture, 0); - GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, fbo.ColorTexture[0]); - GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null); - GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE); - GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE); - GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR); - GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR); - GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, 0); - - // Create depth buffer. - GLES20.glGenRenderbuffers(1, fbo.DepthBuffer, 0); - GLES20.glBindRenderbuffer(GLES20.GL_RENDERBUFFER, fbo.DepthBuffer[0]); - GLES20.glRenderbufferStorage(GLES20.GL_RENDERBUFFER, GLES11Ext.GL_DEPTH_COMPONENT24_OES, width, height); - GLES20.glBindRenderbuffer(GLES20.GL_RENDERBUFFER, 0); - - // Create the frame buffer. - GLES20.glGenFramebuffers(1, fbo.FrameBuffer, 0); - GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, fbo.FrameBuffer[0]); - GLES20.glFramebufferRenderbuffer(GLES20.GL_FRAMEBUFFER, GLES20.GL_DEPTH_ATTACHMENT, GLES20.GL_RENDERBUFFER, fbo.DepthBuffer[0]); - GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_TEXTURE_2D, fbo.ColorTexture[0], 0); - int renderFramebufferStatus = GLES20.glCheckFramebufferStatus(GLES20.GL_FRAMEBUFFER); - GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0); - if ( renderFramebufferStatus != GLES20.GL_FRAMEBUFFER_COMPLETE ) - { - Log.d(TAG, "Incomplete frame buffer object!!"); - return false; - } - - fbo.width = width; - fbo.height = height; - - return true; - } - - static void DestroyFBO( DVRFBO fbo ) - { - GLES20.glDeleteFramebuffers( 1, fbo.FrameBuffer, 0 ); - fbo.FrameBuffer[0] = 0; - GLES20.glDeleteRenderbuffers( 1, fbo.DepthBuffer, 0 ); - fbo.DepthBuffer[0] = 0; - GLES20.glDeleteTextures( 1, fbo.ColorTexture, 0 ); - fbo.ColorTexture[0] = 0; - fbo.width = 0; - fbo.height = 0; - } - - // Geometric variables - public static float vertices[]; - public static final short[] indices = new short[] {0, 1, 2, 0, 2, 3}; - public static final float uvs[] = new float[] { - 0.0f, 1.0f, - 0.0f, 0.0f, - 1.0f, 0.0f, - 1.0f, 1.0f - }; - - public static final float[] SCREEN_COORDS = new float[] { - -1.3f, -1.0f, 1.0f, - -1.3f, 1.0f, 1.0f, - 1.3f, 1.0f, 1.0f, - 1.3f, -1.0f, 1.0f - }; - - public FloatBuffer vertexBuffer; - public ShortBuffer listBuffer; - public FloatBuffer uvBuffer; - - //Shader Program - public static int sp_Image; + private DownloadTask mDownloadTask = null; + private WADChooser mWADChooser = null; public static boolean mDVRInitialised = false; + //Can't rebuild eye buffers until surface changed flag recorded public static boolean mSurfaceChanged = false; @@ -264,6 +142,13 @@ public class MainActivity } } + public void startDownload() + { + mDownloadTask = new DownloadTask(); + mDownloadTask.set_context(MainActivity.this); + mDownloadTask.execute(); + } + @Override public void onCreate(Bundle savedInstanceState) { @@ -282,29 +167,65 @@ public class MainActivity cardboardView.setRenderer(this); setCardboardView(cardboardView); - modelScreen = new float[16]; - camera = new float[16]; - view = new float[16]; - modelViewProjection = new float[16]; - modelView = new float[16]; + openGL = new OpenGL(); + openGL.onCreate(); vibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE); //At the very least ensure we have a directory containing a config file - copy_asset("DVR.cfg", DoomTools.GetDVRFolder() + "/"); - copy_asset("prboom.wad", DoomTools.GetDVRFolder() + "/"); + copy_asset("DVR.cfg", DoomTools.GetDVRFolder() + File.separator); + copy_asset("prboom.wad", DoomTools.GetDVRFolder() + File.separator); + copy_asset("extraparams.txt", DoomTools.GetDVRFolder() + File.separator); - if (!DoomTools.wadsExist()) { - MessageBox("Read this carefully", - "You must install a game file. Tap \"Install WADs\" for auto-install. " - + "Tap \"Help Me!\" for instructions on manual installation. " - + "A fast WIFI network and SDCARD are required." - + "If you experience game problems, try the Cleanup option."); + //See if user is trying to use command line params + BufferedReader br; + try { + br = new BufferedReader(new FileReader(DoomTools.GetDVRFolder() + "extraparams.txt")); + String s; + StringBuilder sb=new StringBuilder(0); + while ((s=br.readLine())!=null) + sb.append(s + " "); + br.close(); + + commandLineParams = new String(sb.toString()); + } catch (FileNotFoundException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (IOException e) { + // TODO Auto-generated catch block + e.printStackTrace(); } + if (!DoomTools.wadsExist()) { + AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder( + this); - //Create the FBOs - fbo = new DVRFBO(); + // set title + alertDialogBuilder.setTitle("No WAD files found"); + + // set dialog message + alertDialogBuilder + .setMessage("Would you like to download the free FREEDOOM WAD (8MB)?\n\nIf you own or purchase the full game of Doom/Doom2 (or any other wad)you can click \'Cancel\' and copy the WAD file to the folder:\n\n{phonememory}/DVR") + .setCancelable(false) + .setPositiveButton("Download", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int id) { + MainActivity.this.startDownload(); + } + }) + .setNegativeButton("Cancel", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int id) { + dialog.cancel(); + } + }); + + // create alert dialog + AlertDialog alertDialog = alertDialogBuilder.create(); + + // show it + alertDialog.show(); + } + + mWADChooser = new WADChooser(openGL); // Audio? mAudioMgr = AudioManager.getInstance(this); @@ -325,64 +246,12 @@ public class MainActivity mSurfaceChanged = true; } - void CopyBitmapToTexture(Bitmap bmp, int textureUnit) - { - // Bind texture to texturename - GLES20.glActiveTexture(GLES20.GL_TEXTURE0); - GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textureUnit); - - // Set filtering - GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR); - GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR); - - // Set wrapping mode - GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE); - GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE); - - // Load the bitmap into the bound texture. - GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, bmp, 0); - - //unbind - GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, 0); - } @Override public void onSurfaceCreated(EGLConfig config) { Log.i(TAG, "onSurfaceCreated"); - ByteBuffer bbVertices = ByteBuffer.allocateDirect(SCREEN_COORDS.length * 4); - bbVertices.order(ByteOrder.nativeOrder()); - screenVertices = bbVertices.asFloatBuffer(); - screenVertices.put(SCREEN_COORDS); - screenVertices.position(0); - - // initialize byte buffer for the draw list - ByteBuffer dlb = ByteBuffer.allocateDirect(indices.length * 2); - dlb.order(ByteOrder.nativeOrder()); - listBuffer = dlb.asShortBuffer(); - listBuffer.put(indices); - listBuffer.position(0); - - // Create the shaders, images - int vertexShader = loadShader(GLES20.GL_VERTEX_SHADER, vs_Image); - int fragmentShader = loadShader(GLES20.GL_FRAGMENT_SHADER, fs_Image); - - sp_Image = GLES20.glCreateProgram(); // create empty OpenGL ES Program - GLES20.glAttachShader(sp_Image, vertexShader); // add the vertex shader to program - GLES20.glAttachShader(sp_Image, fragmentShader); // add the fragment shader to program - GLES20.glLinkProgram(sp_Image); // creates OpenGL ES program executable - - positionParam = GLES20.glGetAttribLocation(sp_Image, "a_Position"); - texCoordParam = GLES20.glGetAttribLocation(sp_Image, "a_texCoord"); - modelViewProjectionParam = GLES20.glGetUniformLocation(sp_Image, "u_MVPMatrix"); - samplerParam = GLES20.glGetUniformLocation(sp_Image, "s_texture"); - - - GLES20.glEnableVertexAttribArray(positionParam); - GLES20.glEnableVertexAttribArray(texCoordParam); - - // Build the camera matrix - Matrix.setLookAtM(camera, 0, 0.0f, 0.0f, 0.01f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f); + openGL.onSurfaceCreated(config); //Start intro music mPlayer = MediaPlayer.create(this, R.raw.m010912339); @@ -405,22 +274,27 @@ public class MainActivity // Bind texture to texturename GLES20.glActiveTexture(GLES20.GL_TEXTURE0); GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, splashTexture[0]); - CopyBitmapToTexture(bmp, splashTexture[0]); - } - - public void SwitchStereoMode(int stereo_mode) - { - mStereoMode = stereo_mode; + openGL.CopyBitmapToTexture(bmp, splashTexture[0]); } @Override public void onNewFrame(HeadTransform headTransform) { + headTransform.getEulerAngles(eulerAngles, 0); + float yaw = eulerAngles[1] / (M_PI / 180.0f); + float pitch = -eulerAngles[0] / (M_PI / 180.0f); + float roll = -eulerAngles[2] / (M_PI / 180.0f); + + if (!mShowingSpashScreen && mWADChooser.choosingWAD()) + { + return; + } + if (!mDVRInitialised) { if (!mSurfaceChanged) return; - SetupUVCoords(); + openGL.SetupUVCoords(); //Reset our orientation cardboardView.resetHeadTracker(); @@ -428,7 +302,7 @@ public class MainActivity if (!mShowingSpashScreen) { final String[] argv; String args = new String(); - args = "doom -iwad " + WADChooser.GetChosenWAD(); + args = "doom -iwad " + mWADChooser.GetChosenWAD() + " " + commandLineParams; argv = args.split(" "); String dvr= DoomTools.GetDVRFolder(); Natives.DoomInit(argv, dvr); @@ -437,11 +311,6 @@ public class MainActivity } if (mDVRInitialised) { - headTransform.getEulerAngles(eulerAngles, 0); - - float yaw = eulerAngles[1] / (M_PI / 180.0f); - float pitch = -eulerAngles[0] / (M_PI / 180.0f); - float roll = -eulerAngles[2] / (M_PI / 180.0f); if (Natives.gameState() == 0) Natives.DoomStartFrame(pitch, yaw, roll); else @@ -451,7 +320,11 @@ public class MainActivity @Override public void onDrawEye(Eye eye) { - if (mDVRInitialised || mShowingSpashScreen) { + if (!mShowingSpashScreen && mWADChooser.choosingWAD()) + { + mWADChooser.onDrawEye(eye); + } + else if (mDVRInitialised || mShowingSpashScreen) { if (mShowingSpashScreen) { GLES20.glEnable(GLES20.GL_SCISSOR_TEST); @@ -463,7 +336,7 @@ public class MainActivity Natives.DoomDrawEye(eye.getType() - 1); //Now we'll have a populated bitmap, copy to the fbo colour buffer - CopyBitmapToTexture(mDoomBitmap, fbo.ColorTexture[0]); + openGL.CopyBitmapToTexture(mDoomBitmap, openGL.fbo.ColorTexture[0]); } GLES20.glViewport(eye.getViewport().x, @@ -480,27 +353,27 @@ public class MainActivity eye.getViewport().height); GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT); - GLES20.glUseProgram(sp_Image); + GLES20.glUseProgram(openGL.sp_Image); - if (Natives.gameState() != 0) { + if (Natives.gameState() != 0 || mShowingSpashScreen) { // Apply the eye transformation to the camera. - Matrix.multiplyMM(view, 0, eye.getEyeView(), 0, camera, 0); + Matrix.multiplyMM(openGL.view, 0, eye.getEyeView(), 0, openGL.camera, 0); // Build the ModelView and ModelViewProjection matrices // for calculating screen position. float[] perspective = eye.getPerspective(0.1f, 100.0f); - float scale = screenScale; + float scale = openGL.screenScale; if (mShowingSpashScreen) scale /= 2; // Object first appears directly in front of user. - Matrix.setIdentityM(modelScreen, 0); - Matrix.translateM(modelScreen, 0, 0, 0, -screenDistance); - Matrix.scaleM(modelScreen, 0, scale, scale, 1.0f); - Matrix.multiplyMM(modelView, 0, view, 0, modelScreen, 0); - Matrix.multiplyMM(modelViewProjection, 0, perspective, 0, modelView, 0); - GLES20.glVertexAttribPointer(positionParam, 3, GLES20.GL_FLOAT, false, 0, screenVertices); + Matrix.setIdentityM(openGL.modelScreen, 0); + Matrix.translateM(openGL.modelScreen, 0, 0, 0, -openGL.screenDistance); + Matrix.scaleM(openGL.modelScreen, 0, scale, scale, 1.0f); + Matrix.multiplyMM(openGL.modelView, 0, openGL.view, 0, openGL.modelScreen, 0); + Matrix.multiplyMM(openGL.modelViewProjection, 0, perspective, 0, openGL.modelView, 0); + GLES20.glVertexAttribPointer(openGL.positionParam, 3, GLES20.GL_FLOAT, false, 0, openGL.screenVertices); } else { @@ -512,35 +385,35 @@ public class MainActivity int pitchOffset = (int)(-(eulerAngles[0]/M_PI)*(eye.getViewport().height)); - SetupTriangle(x, y, w, h); + openGL.SetupTriangle(x, y, w, h); // Calculate the projection and view transformation - Matrix.orthoM(view, 0, 0, eye.getViewport().width, 0, eye.getViewport().height, 0, 50); + Matrix.orthoM(openGL.view, 0, 0, eye.getViewport().width, 0, eye.getViewport().height, 0, 50); //Translate so origin is centre of image if (eye.getType() == Eye.Type.LEFT) - Matrix.translateM(view, 0, w / 2, eye.getViewport().height / 2, 0); + Matrix.translateM(openGL.view, 0, w / 2, eye.getViewport().height / 2, 0); else - Matrix.translateM(view, 0, eye.getViewport().width - w / 2, eye.getViewport().height / 2, 0); + Matrix.translateM(openGL.view, 0, eye.getViewport().width - w / 2, eye.getViewport().height / 2, 0); //rotate for head roll - Matrix.rotateM(view, 0, (int) (-(eulerAngles[2] / M_PI) * 180.f), 0, 0, 1); + Matrix.rotateM(openGL.view, 0, (int) (-(eulerAngles[2] / M_PI) * 180.f), 0, 0, 1); //translate back to where it was before if (eye.getType() == Eye.Type.LEFT) - Matrix.translateM(view, 0, -w / 2, -eye.getViewport().height / 2, 0); + Matrix.translateM(openGL.view, 0, -w / 2, -eye.getViewport().height / 2, 0); else - Matrix.translateM(view, 0, w / 2 - eye.getViewport().width, -eye.getViewport().height / 2, 0); + Matrix.translateM(openGL.view, 0, w / 2 - eye.getViewport().width, -eye.getViewport().height / 2, 0); //Now apply head pitch transformation - Matrix.translateM(view, 0, 0, pitchOffset, 0); - Matrix.multiplyMM(modelViewProjection, 0, view, 0, camera, 0); + Matrix.translateM(openGL.view, 0, 0, pitchOffset, 0); + Matrix.multiplyMM(openGL.modelViewProjection, 0, openGL.view, 0, openGL.camera, 0); // Prepare the triangle coordinate data - GLES20.glVertexAttribPointer(positionParam, 3, GLES20.GL_FLOAT, false, 0, vertexBuffer); + GLES20.glVertexAttribPointer(openGL.positionParam, 3, GLES20.GL_FLOAT, false, 0, openGL.vertexBuffer); } // Prepare the texturecoordinates - GLES20.glVertexAttribPointer(texCoordParam, 2, GLES20.GL_FLOAT, false, 0, uvBuffer); + GLES20.glVertexAttribPointer(openGL.texCoordParam, 2, GLES20.GL_FLOAT, false, 0, openGL.uvBuffer); // Apply the projection and view transformation - GLES20.glUniformMatrix4fv(modelViewProjectionParam, 1, false, modelViewProjection, 0); + GLES20.glUniformMatrix4fv(openGL.modelViewProjectionParam, 1, false, openGL.modelViewProjection, 0); // Bind texture to fbo's color texture GLES20.glActiveTexture(GLES20.GL_TEXTURE0); @@ -551,14 +424,14 @@ public class MainActivity GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, splashTexture[0]); } else { - GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, fbo.ColorTexture[0]); + GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, openGL.fbo.ColorTexture[0]); } // Set the sampler texture unit to our fbo's color texture - GLES20.glUniform1i(samplerParam, 0); + GLES20.glUniform1i(openGL.samplerParam, 0); // Draw the triangles - GLES20.glDrawElements(GLES20.GL_TRIANGLES, 6, GLES20.GL_UNSIGNED_SHORT, listBuffer); + GLES20.glDrawElements(GLES20.GL_TRIANGLES, 6, GLES20.GL_UNSIGNED_SHORT, openGL.listBuffer); GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, activeTex0.get(0)); } } @@ -577,6 +450,18 @@ public class MainActivity public void onCardboardTrigger() { Log.i(TAG, "onCardboardTrigger"); + if (!mShowingSpashScreen && mWADChooser.choosingWAD()) + { + if (eulerAngles[1] / (M_PI / 180.0f) > 15.0f) + mWADChooser.MoveNext(); + else if (eulerAngles[1] / (M_PI / 180.0f) < -15.0f) + mWADChooser.MovePrev(); + else + mWADChooser.SelectWAD(); + + return; + } + if (System.currentTimeMillis() - triggerTimeout > 200) { if (mDVRInitialised) { @@ -592,13 +477,6 @@ public class MainActivity } } - - public int getCharacter(int keyCode, KeyEvent event) - { - if (keyCode==KeyEvent.KEYCODE_DEL) return '\b'; - return event.getUnicodeChar(); - } - private void dismissSplashScreen() { if (mShowingSpashScreen) { @@ -613,6 +491,30 @@ public class MainActivity int keyCode = event.getKeyCode(); int action = event.getAction(); + if (!mShowingSpashScreen && + mWADChooser.choosingWAD()) + { + if (action == KeyEvent.ACTION_UP && + keyCode == KeyEvent.KEYCODE_BUTTON_A) { + if (eulerAngles[1] / (M_PI / 180.0f) > 10.0f) + mWADChooser.MoveNext(); + else if (eulerAngles[1] / (M_PI / 180.0f) < -10.0f) + mWADChooser.MovePrev(); + else + mWADChooser.SelectWAD(); + } + else if (action == KeyEvent.ACTION_UP && + keyCode == KeyEvent.KEYCODE_DPAD_LEFT) { + mWADChooser.MovePrev(); + } + else if (action == KeyEvent.ACTION_UP && + keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) { + mWADChooser.MoveNext(); + } + + return true; + } + if ( action != KeyEvent.ACTION_DOWN && action != KeyEvent.ACTION_UP ) { return super.dispatchKeyEvent( event ); @@ -744,35 +646,6 @@ public class MainActivity return (axisValue > axisValue2) ? axisValue : axisValue2; } - public void SetupUVCoords() - { - // The texture buffer - ByteBuffer bb = ByteBuffer.allocateDirect(uvs.length * 4); - bb.order(ByteOrder.nativeOrder()); - uvBuffer = bb.asFloatBuffer(); - uvBuffer.put(uvs); - uvBuffer.position(0); - } - - public void SetupTriangle(int x, int y, int width, int height) - { - // We have to create the vertices of our triangle. - vertices = new float[] - { - x, y, 0.0f, - x, y + height, 0.0f, - x + width, y + height, 0.0f, - x + width, y, 0.0f, - }; - - // The vertex buffer. - ByteBuffer bb = ByteBuffer.allocateDirect(vertices.length * 4); - bb.order(ByteOrder.nativeOrder()); - vertexBuffer = bb.asFloatBuffer(); - vertexBuffer.put(vertices); - vertexBuffer.position(0); - } - /** * Show the menu */ @@ -860,22 +733,13 @@ public class MainActivity mDoomHeight = h; mDoomBitmap = Bitmap.createBitmap(w, h, Bitmap.Config.RGB_565); - CreateFBO(fbo, mDoomWidth, mDoomHeight); + openGL.SetBitmap(mDoomBitmap); + openGL.CreateFBO(mDoomWidth, mDoomHeight); } @Override public void OnFatalError(final String text) { - MessageBox("Fatal Error", "Doom has terminated. " + "Reason: " - + text); - - try { - Thread.sleep(10000); - } - catch (InterruptedException ie){ - } - - // Must quit here or the LIB will crash - DoomTools.hardExit(-1); + Log.e(TAG, "ERROR: " + text); } @Override diff --git a/app/src/main/java/com/drbeef/dvr/OpenGL.java b/app/src/main/java/com/drbeef/dvr/OpenGL.java new file mode 100644 index 0000000..233209d --- /dev/null +++ b/app/src/main/java/com/drbeef/dvr/OpenGL.java @@ -0,0 +1,255 @@ +package com.drbeef.dvr; + + +import android.content.pm.ActivityInfo; +import android.content.res.AssetManager; +import android.graphics.Bitmap; +import android.graphics.BitmapFactory; +import android.media.MediaPlayer; +import android.opengl.GLES11Ext; +import android.opengl.GLES20; +import android.opengl.GLUtils; +import android.opengl.Matrix; +import android.os.Bundle; +import android.util.Log; +import android.view.Window; +import android.view.WindowManager; + +import com.google.vrtoolkit.cardboard.CardboardView; + +import java.io.InputStream; +import java.nio.ByteBuffer; +import java.nio.ByteOrder; +import java.nio.FloatBuffer; +import java.nio.ShortBuffer; + +import javax.microedition.khronos.egl.EGLConfig; + +public class OpenGL { + + private static final int GL_RGBA8 = 0x8058; + Bitmap mDoomBitmap; + + public void SetBitmap(Bitmap bmp) + { + mDoomBitmap = bmp; + } + + public void onCreate() { + modelScreen = new float[16]; + camera = new float[16]; + view = new float[16]; + modelViewProjection = new float[16]; + modelView = new float[16]; + + //Create the FBOs + fbo = new DVRFBO(); + } + + public void onSurfaceCreated(EGLConfig config) { + Log.i("DVR", "onSurfaceCreated"); + + ByteBuffer bbVertices = ByteBuffer.allocateDirect(SCREEN_COORDS.length * 4); + bbVertices.order(ByteOrder.nativeOrder()); + screenVertices = bbVertices.asFloatBuffer(); + screenVertices.put(SCREEN_COORDS); + screenVertices.position(0); + + // initialize byte buffer for the draw list + ByteBuffer dlb = ByteBuffer.allocateDirect(indices.length * 2); + dlb.order(ByteOrder.nativeOrder()); + listBuffer = dlb.asShortBuffer(); + listBuffer.put(indices); + listBuffer.position(0); + + // Create the shaders, images + int vertexShader = loadShader(GLES20.GL_VERTEX_SHADER, vs_Image); + int fragmentShader = loadShader(GLES20.GL_FRAGMENT_SHADER, fs_Image); + + sp_Image = GLES20.glCreateProgram(); // create empty OpenGL ES Program + GLES20.glAttachShader(sp_Image, vertexShader); // add the vertex shader to program + GLES20.glAttachShader(sp_Image, fragmentShader); // add the fragment shader to program + GLES20.glLinkProgram(sp_Image); // creates OpenGL ES program executable + + positionParam = GLES20.glGetAttribLocation(sp_Image, "a_Position"); + texCoordParam = GLES20.glGetAttribLocation(sp_Image, "a_texCoord"); + modelViewProjectionParam = GLES20.glGetUniformLocation(sp_Image, "u_MVPMatrix"); + samplerParam = GLES20.glGetUniformLocation(sp_Image, "s_texture"); + + + GLES20.glEnableVertexAttribArray(positionParam); + GLES20.glEnableVertexAttribArray(texCoordParam); + + // Build the camera matrix + Matrix.setLookAtM(camera, 0, 0.0f, 0.0f, 0.01f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f); + } + + void CopyBitmapToTexture(Bitmap bmp, int textureUnit) + { + // Bind texture to texturename + GLES20.glActiveTexture(GLES20.GL_TEXTURE0); + GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textureUnit); + + // Set filtering + GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR); + GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR); + + // Set wrapping mode + GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE); + GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE); + + // Load the bitmap into the bound texture. + GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, bmp, 0); + + //unbind + GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, 0); + } + + public void SetupUVCoords() + { + // The texture buffer + ByteBuffer bb = ByteBuffer.allocateDirect(uvs.length * 4); + bb.order(ByteOrder.nativeOrder()); + uvBuffer = bb.asFloatBuffer(); + uvBuffer.put(uvs); + uvBuffer.position(0); + } + + public void SetupTriangle(int x, int y, int width, int height) + { + // We have to create the vertices of our triangle. + vertices = new float[] + { + x, y, 0.0f, + x, y + height, 0.0f, + x + width, y + height, 0.0f, + x + width, y, 0.0f, + }; + + // The vertex buffer. + ByteBuffer bb = ByteBuffer.allocateDirect(vertices.length * 4); + bb.order(ByteOrder.nativeOrder()); + vertexBuffer = bb.asFloatBuffer(); + vertexBuffer.put(vertices); + vertexBuffer.position(0); + } + + public FloatBuffer screenVertices; + + public int positionParam; + public int texCoordParam; + public int samplerParam; + public int modelViewProjectionParam; + + public float[] modelScreen; + public float[] camera; + public float[] view; + public float[] modelViewProjection; + public float[] modelView; + + public float screenDistance = 8f; + public float screenScale = 4f; + + public static final String vs_Image = + "uniform mat4 u_MVPMatrix;" + + "attribute vec4 a_Position;" + + "attribute vec2 a_texCoord;" + + "varying vec2 v_texCoord;" + + "void main() {" + + " gl_Position = u_MVPMatrix * a_Position;" + + " v_texCoord = a_texCoord;" + + "}"; + + + public static final String fs_Image = + "precision mediump float;" + + "varying vec2 v_texCoord;" + + "uniform sampler2D s_texture;" + + "void main() {" + + " gl_FragColor = texture2D( s_texture, v_texCoord );" + + "}"; + + public static int loadShader(int type, String shaderCode){ + int shader = GLES20.glCreateShader(type); + GLES20.glShaderSource(shader, shaderCode); + GLES20.glCompileShader(shader); + return shader; + } + //FBO render eye buffer + public DVRFBO fbo; + + + boolean CreateFBO( int width, int height) + { + Log.d("DVR", "CreateFBO"); + // Create the color buffer texture. + GLES20.glGenTextures(1, fbo.ColorTexture, 0); + GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, fbo.ColorTexture[0]); + GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null); + GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE); + GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE); + GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR); + GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR); + GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, 0); + + // Create depth buffer. + GLES20.glGenRenderbuffers(1, fbo.DepthBuffer, 0); + GLES20.glBindRenderbuffer(GLES20.GL_RENDERBUFFER, fbo.DepthBuffer[0]); + GLES20.glRenderbufferStorage(GLES20.GL_RENDERBUFFER, GLES11Ext.GL_DEPTH_COMPONENT24_OES, width, height); + GLES20.glBindRenderbuffer(GLES20.GL_RENDERBUFFER, 0); + + // Create the frame buffer. + GLES20.glGenFramebuffers(1, fbo.FrameBuffer, 0); + GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, fbo.FrameBuffer[0]); + GLES20.glFramebufferRenderbuffer(GLES20.GL_FRAMEBUFFER, GLES20.GL_DEPTH_ATTACHMENT, GLES20.GL_RENDERBUFFER, fbo.DepthBuffer[0]); + GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_TEXTURE_2D, fbo.ColorTexture[0], 0); + int renderFramebufferStatus = GLES20.glCheckFramebufferStatus(GLES20.GL_FRAMEBUFFER); + GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0); + if ( renderFramebufferStatus != GLES20.GL_FRAMEBUFFER_COMPLETE ) + { + Log.d("DVR", "Incomplete frame buffer object!!"); + return false; + } + + fbo.width = width; + fbo.height = height; + + return true; + } + + void DestroyFBO( ) + { + GLES20.glDeleteFramebuffers( 1, fbo.FrameBuffer, 0 ); + fbo.FrameBuffer[0] = 0; + GLES20.glDeleteRenderbuffers( 1, fbo.DepthBuffer, 0 ); + fbo.DepthBuffer[0] = 0; + GLES20.glDeleteTextures( 1, fbo.ColorTexture, 0 ); + fbo.ColorTexture[0] = 0; + fbo.width = 0; + fbo.height = 0; + } + + // Geometric variables + public static float vertices[]; + public static final short[] indices = new short[] {0, 1, 2, 0, 2, 3}; + public static final float uvs[] = new float[] { + 0.0f, 1.0f, + 0.0f, 0.0f, + 1.0f, 0.0f, + 1.0f, 1.0f + }; + + public static final float[] SCREEN_COORDS = new float[] { + -1.3f, -1.0f, 1.0f, + -1.3f, 1.0f, 1.0f, + 1.3f, 1.0f, 1.0f, + 1.3f, -1.0f, 1.0f + }; + + public FloatBuffer vertexBuffer; + public ShortBuffer listBuffer; + public FloatBuffer uvBuffer; + + //Shader Program + public static int sp_Image; +} diff --git a/app/src/main/java/com/drbeef/dvr/WADChooser.java b/app/src/main/java/com/drbeef/dvr/WADChooser.java index ab4338e..d32a5a1 100644 --- a/app/src/main/java/com/drbeef/dvr/WADChooser.java +++ b/app/src/main/java/com/drbeef/dvr/WADChooser.java @@ -1,14 +1,162 @@ package com.drbeef.dvr; +import android.graphics.Bitmap; +import android.graphics.Canvas; +import android.graphics.Paint; +import android.opengl.GLES20; +import android.opengl.Matrix; + +import com.google.vrtoolkit.cardboard.Eye; + +import java.io.File; +import java.nio.IntBuffer; +import java.util.ArrayList; +import java.util.List; + +import doom.util.DoomTools; +import doom.util.Natives; + /** * Created by Simon on 04/03/2016. */ public class WADChooser { - static String wad = "doom.wad"; + OpenGL openGL = null; - public static String GetChosenWAD() + List wads = new ArrayList(); + private int selectedWAD = 0; + + WADChooser(OpenGL openGL) { + this.openGL = openGL; + + File[] files = new File(DoomTools.GetDVRFolder()).listFiles(); + + for (File file : files) { + if (file.isFile() && + file.getName().toUpperCase().compareTo("PRBOOM.WAD") != 0 && + file.getName().toUpperCase().endsWith("WAD")) + wads.add(file.getName()); + } + + //No point choosing a wad if there's only one! + if (wads.size() == 1) mChoosingWAD = false; + } + + private boolean mChoosingWAD = true; + + public boolean choosingWAD() { + return mChoosingWAD; + } + + public void SelectWAD() { - return wad; + mChoosingWAD = false; + } + + public String GetChosenWAD() { + return wads.get(selectedWAD); + } + + public void MoveNext() + { + selectedWAD++; + if (selectedWAD == wads.size()) + selectedWAD = 0; + } + + public void MovePrev() + { + selectedWAD--; + if (selectedWAD < 0) + selectedWAD = wads.size()-1; + } + + void DrawWADName() + { +// Create an empty, mutable bitmap + Bitmap bitmap = Bitmap.createBitmap(256, 256, Bitmap.Config.ARGB_4444); +// get a canvas to paint over the bitmap + Canvas canvas = new Canvas(bitmap); + bitmap.eraseColor(0); + +// get a background image from resources +// note the image format must match the bitmap format +// Drawable background = context.getResources().getDrawable(R.drawable.background); +// background.setBounds(0, 0, 256, 256); +// background.draw(canvas); // draw the background to our bitmap + +// Draw the text + Paint textPaint = new Paint(); + textPaint.setTextSize(20); + + textPaint.setAntiAlias(true); + textPaint.setARGB(0xff, 0xff, 0x20, 0x00); +// draw the text centered + canvas.drawText("Choose WAD:", 16, 60, textPaint); + canvas.drawText("<- " + GetChosenWAD() + " ->", 16, 112, textPaint); + + openGL.CopyBitmapToTexture(bitmap, openGL.fbo.ColorTexture[0]); + } + + public void onDrawEye(Eye eye) { + + DrawWADName(); + + GLES20.glEnable(GLES20.GL_SCISSOR_TEST); + GLES20.glScissor(eye.getViewport().x, eye.getViewport().y, + eye.getViewport().width, eye.getViewport().height); + GLES20.glClearColor(0.0f, 0.0f, 0.0f, 1.0f); + GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT | GLES20.GL_DEPTH_BUFFER_BIT); + + GLES20.glViewport(eye.getViewport().x, + eye.getViewport().y, + eye.getViewport().width, + eye.getViewport().height); + + //Clear the viewport + GLES20.glEnable(GLES20.GL_SCISSOR_TEST); + GLES20.glClearColor(0.0f, 0.0f, 0.0f, 1.0f); + GLES20.glScissor(eye.getViewport().x, + eye.getViewport().y, + eye.getViewport().width, + eye.getViewport().height); + GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT); + + GLES20.glUseProgram(openGL.sp_Image); + + // Apply the eye transformation to the camera. + Matrix.multiplyMM(openGL.view, 0, eye.getEyeView(), 0, openGL.camera, 0); + + // Build the ModelView and ModelViewProjection matrices + // for calculating screen position. + float[] perspective = eye.getPerspective(0.1f, 100.0f); + + // Object first appears directly in front of user. + Matrix.setIdentityM(openGL.modelScreen, 0); + Matrix.translateM(openGL.modelScreen, 0, 0, 0, -openGL.screenDistance); + Matrix.scaleM(openGL.modelScreen, 0, openGL.screenScale, openGL.screenScale, 1.0f); + Matrix.multiplyMM(openGL.modelView, 0, openGL.view, 0, openGL.modelScreen, 0); + Matrix.multiplyMM(openGL.modelViewProjection, 0, perspective, 0, openGL.modelView, 0); + GLES20.glVertexAttribPointer(openGL.positionParam, 3, GLES20.GL_FLOAT, false, 0, openGL.screenVertices); + + // Prepare the texturecoordinates + GLES20.glVertexAttribPointer(openGL.texCoordParam, 2, GLES20.GL_FLOAT, false, 0, openGL.uvBuffer); + + // Apply the projection and view transformation + GLES20.glUniformMatrix4fv(openGL.modelViewProjectionParam, 1, false, openGL.modelViewProjection, 0); + + // Bind texture to fbo's color texture + GLES20.glActiveTexture(GLES20.GL_TEXTURE0); + IntBuffer activeTex0 = IntBuffer.allocate(2); + GLES20.glGetIntegerv(GLES20.GL_TEXTURE_BINDING_2D, activeTex0); + + GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, openGL.fbo.ColorTexture[0]); + + // Set the sampler texture unit to our fbo's color texture + GLES20.glUniform1i(openGL.samplerParam, 0); + + // Draw the triangles + GLES20.glDrawElements(GLES20.GL_TRIANGLES, 6, GLES20.GL_UNSIGNED_SHORT, openGL.listBuffer); + GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, activeTex0.get(0)); } }