Revision acb44099
Added by Leszek Koltunski over 6 years ago
| src/main/java/org/distorted/library/main/DistortedEffects.java | ||
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| 85 | 85 |
} |
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/////////////////////////////////////////////////////////////// |
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// this has to be at least as big as the number of pixels in
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// the screen, lest the oitClear() pass overwrite memory.
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private static int mBufferSize=(0x1<<23); // 8 million entries
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// meaning: allocate 1.0 screenful of places for transparent
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// fragments in the SSBO backing up the OIT render method.
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private static float mBufferSize=1.0f;
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/// OIT CLEAR PROGRAM /// |
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private static DistortedProgram mOITClearProgram; |
| ... | ... | |
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mOITBuildSizeH = GLES31.glGetUniformLocation( oitBuildProgramH, "u_Size"); |
| 312 | 312 |
mOITBuildNumRecordsH = GLES31.glGetUniformLocation( oitBuildProgramH, "u_numRecords"); |
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if( mLinkedListSSBO[0]<0 ) |
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{
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GLES31.glGenBuffers(1,mLinkedListSSBO,0); |
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GLES31.glBindBuffer(GLES31.GL_SHADER_STORAGE_BUFFER, mLinkedListSSBO[0]); |
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GLES31.glBufferData(GLES31.GL_SHADER_STORAGE_BUFFER, mBufferSize*4 , null, GLES31.GL_DYNAMIC_READ|GLES31.GL_DYNAMIC_DRAW); |
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GLES31.glBindBufferBase(GLES31.GL_SHADER_STORAGE_BUFFER, 1, mLinkedListSSBO[0]); |
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GLES31.glBindBuffer(GLES31.GL_SHADER_STORAGE_BUFFER, 0); |
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} |
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if( mAtomicCounter[0]<0 ) |
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{
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GLES31.glGenBuffers(1,mAtomicCounter,0); |
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GLES31.glBindBufferBase(GLES31.GL_ATOMIC_COUNTER_BUFFER, 0, mAtomicCounter[0]); |
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GLES31.glBindBuffer(GLES31.GL_ATOMIC_COUNTER_BUFFER, mAtomicCounter[0] ); |
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GLES31.glBufferData(GLES31.GL_ATOMIC_COUNTER_BUFFER, 4, null, GLES31.GL_DYNAMIC_DRAW); |
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GLES31.glBindBuffer(GLES31.GL_ATOMIC_COUNTER_BUFFER, 0); |
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} |
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// OIT COLLAPSE PROGRAM /////////////////////////// |
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final InputStream oitCollapseVertStream = resources.openRawResource(R.raw.oit_vertex_shader); |
| 334 | 316 |
final InputStream oitCollapseFragStream = resources.openRawResource(R.raw.oit_collapse_fragment_shader); |
| ... | ... | |
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mMainOITProgram.useProgram(); |
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GLES31.glUniform1i(mMainOITTextureH, 0); |
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GLES31.glUniform2ui(mMainOITSizeH, surface.mWidth, surface.mHeight); |
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GLES31.glUniform1ui(mMainOITNumRecordsH, (mBufferSize-surface.mWidth*surface.mHeight)/3 ); // see the fragment shader
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GLES31.glUniform1ui(mMainOITNumRecordsH, (int)(mBufferSize*surface.mWidth*surface.mHeight) );
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GLES31.glBindBuffer(GLES31.GL_ARRAY_BUFFER, mesh.mAttVBO[0]); |
| 478 | 460 |
GLES31.glVertexAttribPointer(mMainOITProgram.mAttribute[0], MeshObject.POS_DATA_SIZE, GLES31.GL_FLOAT, false, MeshObject.VERTSIZE, MeshObject.OFFSET0); |
| ... | ... | |
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static void zeroOutAtomic() |
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{
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if( mAtomicCounter[0]<0 ) |
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{
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GLES31.glGenBuffers(1,mAtomicCounter,0); |
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GLES31.glBindBufferBase(GLES31.GL_ATOMIC_COUNTER_BUFFER, 0, mAtomicCounter[0]); |
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GLES31.glBindBuffer(GLES31.GL_ATOMIC_COUNTER_BUFFER, mAtomicCounter[0] ); |
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GLES31.glBufferData(GLES31.GL_ATOMIC_COUNTER_BUFFER, 4, null, GLES31.GL_DYNAMIC_DRAW); |
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GLES31.glBindBuffer(GLES31.GL_ATOMIC_COUNTER_BUFFER, 0); |
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} |
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GLES31.glBindBuffer(GLES31.GL_ATOMIC_COUNTER_BUFFER, mAtomicCounter[0] ); |
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ByteBuffer atomicBuf = (ByteBuffer)GLES31.glMapBufferRange( GLES31.GL_ATOMIC_COUNTER_BUFFER, 0, 4, |
| ... | ... | |
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static void oitClear(DistortedOutputSurface surface) |
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{
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if( mLinkedListSSBO[0]<0 ) |
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{
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int size = (int)(surface.mWidth*surface.mHeight*(3*mBufferSize+1)*4); |
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GLES31.glGenBuffers(1,mLinkedListSSBO,0); |
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GLES31.glBindBuffer(GLES31.GL_SHADER_STORAGE_BUFFER, mLinkedListSSBO[0]); |
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GLES31.glBufferData(GLES31.GL_SHADER_STORAGE_BUFFER, size, null, GLES31.GL_DYNAMIC_READ|GLES31.GL_DYNAMIC_DRAW); |
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GLES31.glBindBufferBase(GLES31.GL_SHADER_STORAGE_BUFFER, 1, mLinkedListSSBO[0]); |
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GLES31.glBindBuffer(GLES31.GL_SHADER_STORAGE_BUFFER, 0); |
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} |
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mOITClearProgram.useProgram(); |
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GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight ); |
| ... | ... | |
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GLES31.glUniform1i(mOITBuildDepthTextureH, 1); |
| 607 | 609 |
GLES31.glUniform2f(mOITBuildTexCorrH, corrW, corrH ); |
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GLES31.glUniform2ui(mOITBuildSizeH, surface.mWidth, surface.mHeight); |
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GLES31.glUniform1ui(mOITBuildNumRecordsH, (mBufferSize-surface.mWidth*surface.mHeight)/3 ); // see the fragment shader
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GLES31.glUniform1ui(mOITBuildNumRecordsH, (int)(mBufferSize*surface.mWidth*surface.mHeight) );
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GLES31.glUniform1f(mOITBuildDepthH , 1.0f-surface.mNear); |
| 611 | 613 |
GLES31.glVertexAttribPointer(mOITBuildProgram.mAttribute[0], 2, GLES31.GL_FLOAT, false, 0, mQuadPositions); |
| 612 | 614 |
GLES31.glDrawArrays(GLES31.GL_TRIANGLE_STRIP, 0, 4); |
Also available in: Unified diff
Make the OIT SSBO size independent of screen size.