Revision 2ab60f72
Added by Leszek Koltunski over 6 years ago
| src/main/java/org/distorted/library/main/DistortedOutputSurface.java | ||
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| 162 | 162 |
createProjection(); |
| 163 | 163 |
} |
| 164 | 164 |
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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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| 165 | 177 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
| 166 | 178 |
// Must be called from a thread holding OpenGL Context |
| 167 | 179 |
|
| ... | ... | |
| 173 | 185 |
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| 174 | 186 |
// here bind the new SSBO and map it |
| 175 | 187 |
GLES31.glBindBuffer(GLES31.GL_SHADER_STORAGE_BUFFER, mSSBO[0]); |
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error("pre1");
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| 176 | 189 |
GLES31.glBufferData(GLES31.GL_SHADER_STORAGE_BUFFER, BUFFERING*mBufferSize*4 , null, GLES31.GL_DYNAMIC_READ); |
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mSSBOBuffer = (ByteBuffer) GLES31.glMapBufferRange(GLES31.GL_SHADER_STORAGE_BUFFER, 0, BUFFERING*mBufferSize*4, GLES31.GL_MAP_WRITE_BIT | GLES31.GL_MAP_WRITE_BIT ); |
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GLES31.glBindBufferBase(GLES31.GL_SHADER_STORAGE_BUFFER,1, mSSBO[0]); |
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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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GLES31.glBindBufferBase(GLES31.GL_SHADER_STORAGE_BUFFER,0, mSSBO[0]); |
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error("pre4");
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| 179 | 195 |
} |
| 180 | 196 |
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| 181 | 197 |
mSurfaceID = mSurfaceCounter.returnNext(); |
| src/main/java/org/distorted/library/main/DistortedScreen.java | ||
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| 137 | 137 |
*/ |
| 138 | 138 |
public DistortedScreen() |
| 139 | 139 |
{
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// set color to 'DONT_CREATE' so that Screens will not get added to the Surface lists |
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// set depth to 'CREATED' so that depth will be, by default, on. |
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super(0,0,DONT_CREATE,1,DEPTH_NO_STENCIL,0,TYPE_USER); |
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// Screen also has to be created (3rd arg 'NOT_CREATED_YET') because of the SSBO inside OutputSurface. |
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super(0,0,NOT_CREATED_YET,1,DEPTH_NO_STENCIL,0,TYPE_USER); |
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| 143 | 142 |
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mInitialized = false; |
| 145 | 144 |
} |
| src/main/res/raw/main_fragment_shader.glsl | ||
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| 43 | 43 |
// next describes the Region, i.e. area over which the effect is active. |
| 44 | 44 |
#endif // NUM_FRAGMENT>0 |
| 45 | 45 |
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layout (std140,binding=1) buffer SSBO // PER-SURFACE count of transparent fragments.
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layout (std140,binding=0) buffer SSBO // PER-SURFACE count of transparent fragments.
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| 47 | 47 |
{ // Can be buffered, i.e. if we are for example
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int count[]; // triple-buffered, then surfaceID=N uses 3
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int ssbocount[]; // triple-buffered, then surfaceID=N uses 3
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| 49 | 49 |
}; // consecutive counts (N,N+1,N+2) during 3 |
| 50 | 50 |
// consecutive frames. |
| 51 | 51 |
uniform int u_currentIndex; // Index into the count[] array we are supposed to be using |
| ... | ... | |
| 73 | 73 |
} |
| 74 | 74 |
#endif |
| 75 | 75 |
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count[0]=17; |
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ssbocount[0]=17;
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| 77 | 77 |
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| 78 | 78 |
FRAG_COLOR = vec4(color.rgb * (1.0 + 7.0*v_Normal.z) * 0.125, color.a); |
| 79 | 79 |
} |
Also available in: Unified diff
SSBO: something is working already, although we still get the 4 bytes back from the shader in reverse order ( so '17'=0x00000011 written by the shader becomes '285212672 = 0x11000000' )