Revision 5f35f1cb
Added by Leszek Koltunski almost 4 years ago
| src/main/java/org/distorted/library/main/DistortedLibrary.java | ||
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| 47 | 47 |
import java.nio.ByteOrder; |
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import java.nio.FloatBuffer; |
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import java.nio.IntBuffer; |
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import java.util.regex.Matcher; |
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import java.util.regex.Pattern; |
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|
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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/** |
| ... | ... | |
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*/ |
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public static final int CLONE_CHILDREN= 0x20; |
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/** |
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* When creating a DistortedScreen (which needs to have mFBOQueueSize FBOs attached), pass this |
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* constant for 'numOfFBOs' and the number of backing FBOs will be taken from 'mFBOQueueSize' |
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* (the value of which is most likely unknown at the time of creation of the Screen) |
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*/ |
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public static final int WAIT_FOR_FBO_QUEUE_SIZE = -1; |
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/** |
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* Work around bugs in ARM Mali driver by, instead to a single FBO, rendering to a circular queue |
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* of FBO_QUEUE_SIZE FBOs. (otherwise we sometimes get a 'full pipeline flush' and the end result
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* of mFBOQueueSize FBOs. (otherwise we sometimes get a 'full pipeline flush' and the end result
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* might be missing part of the Objects) |
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* |
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* This bug only exists on Mali driver r12. |
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* This bug only exists on Mali driver r12. (or more precisely it's there in r12 but fixed in r22)
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* |
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* https://community.arm.com/graphics/f/discussions/10285/opengl-es-3-1-on-mali-t880-flashes |
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*/ |
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static final int FBO_QUEUE_SIZE = 3;
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private static int mFBOQueueSize;
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private static boolean mInitialized=false; |
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|
| ... | ... | |
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|
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/// OIT SSBO BUFFER /// |
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private static int[] mLinkedListSSBO = new int[1]; |
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private static int[] mAtomicCounter = new int[DistortedLibrary.FBO_QUEUE_SIZE];
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private static int[] mAtomicCounter; |
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private static int mCurrBuffer; |
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|
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static |
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{
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mLinkedListSSBO[0]= -1; |
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mCurrBuffer = 0; |
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|
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for(int i = 0; i< DistortedLibrary.FBO_QUEUE_SIZE; i++) mAtomicCounter[i] = -1; |
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} |
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/////////////////////////////////////////////////////////////// |
| ... | ... | |
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{
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int counter = 0; |
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if( mAtomicCounter[0]<0 )
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if( mAtomicCounter==null )
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{
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GLES30.glGenBuffers(DistortedLibrary.FBO_QUEUE_SIZE,mAtomicCounter,0); |
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mAtomicCounter = new int[mFBOQueueSize]; |
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|
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GLES30.glGenBuffers(mFBOQueueSize,mAtomicCounter,0); |
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for(int i = 0; i< DistortedLibrary.FBO_QUEUE_SIZE; i++)
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for(int i=0; i<mFBOQueueSize; i++)
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{
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GLES30.glBindBuffer(GLES31.GL_ATOMIC_COUNTER_BUFFER, mAtomicCounter[i]); |
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GLES30.glBufferData(GLES31.GL_ATOMIC_COUNTER_BUFFER, 4, null, GLES30.GL_DYNAMIC_DRAW); |
| ... | ... | |
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counter = printPreviousBuffer(); |
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} |
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if( ++mCurrBuffer>= DistortedLibrary.FBO_QUEUE_SIZE ) mCurrBuffer = 0;
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if( ++mCurrBuffer>=mFBOQueueSize ) mCurrBuffer = 0;
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GLES30.glBindBufferBase(GLES31.GL_ATOMIC_COUNTER_BUFFER, 0, mAtomicCounter[mCurrBuffer]); |
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zeroBuffer(); |
| ... | ... | |
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mBufferSize = size; |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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|
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static int getQueueSize() |
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{
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return mFBOQueueSize; |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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// ARM Mali driver r12 has problems when we keep swapping many FBOs (fixed in r22) |
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// PowerVR GE8100 / GE8300 compiler fails to compile OIT programs. |
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private static void detectBuggyDrivers()
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private static void detectBuggyDriversAndSetQueueSize(int queueSize)
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{
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String vendor = GLES30.glGetString(GLES30.GL_VENDOR); |
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String version = GLES30.glGetString(GLES30.GL_VERSION); |
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String renderer= GLES30.glGetString(GLES30.GL_RENDERER); |
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/* |
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android.util.Log.e("DISTORTED", "GLSL Version "+GLES30.glGetString(GLES31.GL_SHADING_LANGUAGE_VERSION));
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android.util.Log.e("DISTORTED", "GL Version " +GLES30.glGetString(GLES31.GL_VERSION));
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android.util.Log.e("DISTORTED", "GL Vendor " +GLES30.glGetString(GLES31.GL_VENDOR));
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android.util.Log.e("DISTORTED", "GL Renderer " +GLES30.glGetString(GLES31.GL_RENDERER));
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*/ |
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mFBOQueueSize = 1; |
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if( vendor.contains("ARM") )
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{
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if( version.contains("r12") )
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try
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{
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Log.e("DISTORTED", "You are running this on a ARM Mali driver r12.\nThis is a buggy driver, please update to r22. Problems with flashing expected.");
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String regex = ".*r(\\d+)p\\d.*"; |
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Pattern pattern = Pattern.compile(regex); |
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Matcher matcher = pattern.matcher(version); |
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if( matcher.find() ) |
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{
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String driverVersion = matcher.group(1); |
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if( driverVersion!=null ) |
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{
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int drvVersion = Integer.parseInt(driverVersion); |
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if( drvVersion<22 ) |
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{
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Log.e("DISTORTED", "You are running this on a ARM Mali driver r"+driverVersion+".\n" +
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"This is a buggy driver, please update to r22. Inserting workaround which uses a lot of memory."); |
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mFBOQueueSize = queueSize; |
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} |
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} |
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} |
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} |
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catch(Exception ex) |
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{
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android.util.Log.e("library", "exception trying to pattern match version: "+ex.toString());
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} |
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} |
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else if( vendor.contains("Imagination") )
|
| ... | ... | |
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* I.e. best called from GLSurfaceView.onCreate(). |
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* <p> |
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* Needs to be called from a thread holding the OpenGL context. |
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*
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* |
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* @param context Context of the App using the library - used to open up Resources and read Shader code. |
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*/ |
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public static void onCreate(final Context context) throws Exception |
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{
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onCreate(context,4); |
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} |
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|
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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/** |
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* When OpenGL context gets created, call this method so that the library can initialise its internal data structures. |
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* I.e. best called from GLSurfaceView.onCreate(). |
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* <p> |
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* Needs to be called from a thread holding the OpenGL context. |
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* |
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* @param context Context of the App using the library - used to open up Resources and read Shader code. |
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* @param queueSize the size of the FBO queue, a workaround for the bug on Mali drivers. |
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*/ |
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public static void onCreate(final Context context, int queueSize) throws Exception |
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{
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final ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE); |
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final ConfigurationInfo configurationInfo = activityManager.getDeviceConfigurationInfo(); |
| ... | ... | |
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mInitialized = true; |
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mOITCompilationSuccessful = false; |
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detectBuggyDrivers();
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detectBuggyDriversAndSetQueueSize(queueSize);
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EffectMessageSender.startSending(); |
| 894 | 943 |
|
| ... | ... | |
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InternalObject.onPause(); |
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mLinkedListSSBO[0]= -1; |
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for(int i = 0; i< DistortedLibrary.FBO_QUEUE_SIZE; i++) mAtomicCounter[i] = -1; |
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mAtomicCounter = null; |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
Also available in: Unified diff
Only insert the 'Mali r12' FBO queue fix if we actually are running on a Mali GPU with driver version <22. (then FBOQueue=4 - unless we manually overide this down to 1 - else, always 1)