Revision 33f59f22
Added by Leszek Koltunski almost 6 years ago
| src/main/java/org/distorted/library/main/DistortedEffects.java | ||
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| 68 | 68 |
mQuadPositions.put(positionData).position(0); |
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} |
| 70 | 70 |
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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[1]; |
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static |
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{
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mLinkedListSSBO[0]= -1; |
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mAtomicCounter[0] = -1; |
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} |
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private static int mBufferSize=(0x1<<23); // 8 million entries |
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/// OIT CLEAR PROGRAM /// |
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private static DistortedProgram mOITClearProgram; |
| 73 | 85 |
private static int mOITClearDepthH; |
| ... | ... | |
| 83 | 95 |
private static int mOITBuildSizeH; |
| 84 | 96 |
private static int mOITBuildNumRecordsH; |
| 85 | 97 |
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private static int[] mLinkedListSSBO = new int[1]; |
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private static int[] mAtomicCounter = new int[1]; |
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static |
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{
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mLinkedListSSBO[0]= -1; |
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mAtomicCounter[0] = -1; |
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} |
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private static int mBufferSize=(0x1<<23); // 8 million entries |
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/// OIT COLLAPSE PROGRAM /// |
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private static DistortedProgram mOITCollapseProgram; |
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private static int mOITCollapseDepthTextureH; |
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private static int mOITCollapseDepthH; |
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private static int mOITCollapseTexCorrH; |
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private static int mOITCollapseSizeH; |
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/// OIT RENDER PROGRAM /// |
| 98 | 106 |
private static DistortedProgram mOITRenderProgram; |
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private static int mOITRenderTextureH; |
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private static int mOITRenderDepthTextureH; |
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| 101 | 107 |
private static int mOITRenderDepthH; |
| 102 | 108 |
private static int mOITRenderTexCorrH; |
| 103 | 109 |
private static int mOITRenderSizeH; |
| ... | ... | |
| 235 | 241 |
GLES31.glBindBuffer(GLES31.GL_ATOMIC_COUNTER_BUFFER, 0); |
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} |
| 237 | 243 |
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// BLIT DEPTH RENDER PROGRAM /////////////////////////// |
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// OIT COLLAPSE PROGRAM /////////////////////////// |
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final InputStream oitCollapseVertStream = resources.openRawResource(R.raw.oit_vertex_shader); |
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final InputStream oitCollapseFragStream = resources.openRawResource(R.raw.oit_collapse_fragment_shader); |
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try |
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{
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mOITCollapseProgram = new DistortedProgram(oitCollapseVertStream,oitCollapseFragStream,Distorted.GLSL_VERSION,Distorted.GLSL_VERSION, Distorted.GLSL); |
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} |
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catch(Exception e) |
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{
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Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile OIT COLLAPSE program: "+e.getMessage());
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throw new RuntimeException(e.getMessage()); |
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} |
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int oitCollapseProgramH = mOITCollapseProgram.getProgramHandle(); |
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mOITCollapseDepthTextureH = GLES31.glGetUniformLocation( oitCollapseProgramH, "u_DepthTexture"); |
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mOITCollapseDepthH = GLES31.glGetUniformLocation( oitCollapseProgramH, "u_Depth"); |
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mOITCollapseTexCorrH = GLES31.glGetUniformLocation( oitCollapseProgramH, "u_TexCorr"); |
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mOITCollapseSizeH = GLES31.glGetUniformLocation( oitCollapseProgramH, "u_Size"); |
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// OIT RENDER PROGRAM /////////////////////////// |
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| 239 | 265 |
final InputStream oitRenderVertStream = resources.openRawResource(R.raw.oit_vertex_shader); |
| 240 | 266 |
final InputStream oitRenderFragStream = resources.openRawResource(R.raw.oit_render_fragment_shader); |
| 241 | 267 |
|
| ... | ... | |
| 250 | 276 |
} |
| 251 | 277 |
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int oitRenderProgramH = mOITRenderProgram.getProgramHandle(); |
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mOITRenderTextureH = GLES31.glGetUniformLocation( oitRenderProgramH, "u_Texture"); |
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mOITRenderDepthTextureH = GLES31.glGetUniformLocation( oitRenderProgramH, "u_DepthTexture"); |
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| 255 | 279 |
mOITRenderDepthH = GLES31.glGetUniformLocation( oitRenderProgramH, "u_Depth"); |
| 256 | 280 |
mOITRenderTexCorrH = GLES31.glGetUniformLocation( oitRenderProgramH, "u_TexCorr"); |
| 257 | 281 |
mOITRenderSizeH = GLES31.glGetUniformLocation( oitRenderProgramH, "u_Size"); |
| ... | ... | |
| 470 | 494 |
} |
| 471 | 495 |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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// Pass3 of the OIT algorithm. Render all the transparent pixels from the per-pixel linked lists. |
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// Pass3 of the OIT algorithm. Cut occluded parts of the linked list. |
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static void oitCollapse(DistortedOutputSurface surface, float corrW, float corrH) |
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{
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mOITCollapseProgram.useProgram(); |
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GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight ); |
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GLES31.glUniform1i(mOITCollapseDepthTextureH, 1); |
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GLES31.glUniform2f(mOITCollapseTexCorrH, corrW, corrH ); |
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GLES31.glUniform2f(mOITCollapseSizeH, surface.mWidth, surface.mHeight); |
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GLES31.glUniform1f( mOITCollapseDepthH , 1.0f-surface.mNear); |
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GLES31.glVertexAttribPointer(mOITCollapseProgram.mAttribute[0], 2, GLES31.GL_FLOAT, false, 0, mQuadPositions); |
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GLES31.glDrawArrays(GLES31.GL_TRIANGLE_STRIP, 0, 4); |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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// Pass4 of the OIT algorithm. Render all the transparent pixels from the per-pixel linked lists. |
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static void oitRender(DistortedOutputSurface surface, float corrW, float corrH) |
| 476 | 516 |
{
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mOITRenderProgram.useProgram(); |
| 478 | 518 |
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//analyzeBuffer(surface.mWidth, surface.mHeight); |
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GLES31.glViewport(0, 0, surface.mWidth, surface.mHeight ); |
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GLES31.glUniform1i(mOITRenderTextureH, 0); |
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GLES31.glUniform1i(mOITRenderDepthTextureH, 1); |
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GLES31.glUniform2f(mOITRenderTexCorrH, corrW, corrH ); |
| 485 | 521 |
GLES31.glUniform2f(mOITRenderSizeH, surface.mWidth, surface.mHeight); |
| 486 | 522 |
GLES31.glUniform1f( mOITRenderDepthH , 1.0f-surface.mNear); |
Also available in: Unified diff
OIT: move towards 4 passes ( clear - build - collapse - render )