Revision 66ace7f5
Added by Leszek Koltunski about 6 years ago
| src/main/java/org/distorted/library/main/DistortedOutputSurface.java | ||
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| 26 | 26 |
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import java.nio.ByteBuffer; |
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import java.nio.ByteOrder; |
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import java.nio.IntBuffer; |
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import java.util.ArrayList; |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
| ... | ... | |
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private static int mBufferSize =10; |
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private static DistortedObjectCounter mSurfaceCounter = new DistortedObjectCounter(); |
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private static int[] mSSBO = new int[1]; |
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private static ByteBuffer mSSBOBuffer;
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private static IntBuffer mIntBuffer;
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static |
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{
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mSSBO[0] = -1; |
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mSSBOBuffer = ByteBuffer.allocateDirect(BUFFERING*mBufferSize*4).order(ByteOrder.nativeOrder()); |
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mSSBO[0]= -1; |
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} |
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private int mSurfaceID; |
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private int mLastIndex; |
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// end section |
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//////////////////////////////////////////////////////////////////////////////// |
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|
| ... | ... | |
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createProjection(); |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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void error(String msg) |
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{
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int err = GLES31.glGetError(); |
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if( err != GLES31.GL_NO_ERROR ) |
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{
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android.util.Log.e("surface", msg+" error: "+err);
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} |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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// Must be called from a thread holding OpenGL Context |
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|
| ... | ... | |
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// here bind the new SSBO and map it |
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GLES31.glBindBuffer(GLES31.GL_SHADER_STORAGE_BUFFER, mSSBO[0]); |
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error("pre1");
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GLES31.glBufferData(GLES31.GL_SHADER_STORAGE_BUFFER, BUFFERING*mBufferSize*4 , null, GLES31.GL_DYNAMIC_READ); |
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error("pre2");
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mSSBOBuffer = (ByteBuffer) GLES31.glMapBufferRange(GLES31.GL_SHADER_STORAGE_BUFFER, 0, BUFFERING*mBufferSize*4, GLES31.GL_MAP_READ_BIT ); |
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error("pre3");
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ByteBuffer buf = (ByteBuffer) GLES31.glMapBufferRange(GLES31.GL_SHADER_STORAGE_BUFFER, 0, BUFFERING*mBufferSize*4, GLES31.GL_MAP_READ_BIT ); |
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mIntBuffer = buf.order(ByteOrder.nativeOrder()).asIntBuffer(); |
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GLES31.glBindBufferBase(GLES31.GL_SHADER_STORAGE_BUFFER,0, mSSBO[0]); |
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error("pre4");
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} |
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mSurfaceID = mSurfaceCounter.returnNext(); |
| ... | ... | |
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int resetNewCounter() |
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{
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//mSSBOBuffer.putInt(BUFFERING*mSurfaceID+mLastIndex,0);
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//mIntBuffer.put(BUFFERING*mSurfaceID+mLastIndex,0);
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return BUFFERING*mSurfaceID + mLastIndex; |
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} |
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|
| ... | ... | |
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int returnOldCounter() |
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{
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int ret = mSSBOBuffer.getInt(BUFFERING*mSurfaceID+mLastIndex);
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int ret = mIntBuffer.get(BUFFERING*mSurfaceID+mLastIndex);
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mLastIndex++; |
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if( mLastIndex>=BUFFERING ) mLastIndex-=BUFFERING; |
| ... | ... | |
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int returnCounter() |
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{
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return mSSBOBuffer.getInt(0);
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return mIntBuffer.get(0);
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
Also available in: Unified diff
SSBO: fix problems with endianness.