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Revision aedd9013

Added by Leszek Koltunski about 7 years ago

First try to convert the Stencil app to a dual (directly to Screen / through intermediate Framebuffer) mode.
Doesn't work yet ( API is inconvenient / plain wrong )

View differences:

src/main/java/org/distorted/examples/stencil/StencilRenderer.java
27 27 
import org.distorted.examples.R;
28 28 
import org.distorted.library.Distorted;
29 29 
import org.distorted.library.DistortedEffects;
30 
import org.distorted.library.DistortedFramebuffer;
30 31 
import org.distorted.library.DistortedNode;
31 32 
import org.distorted.library.DistortedScreen;
32 33 
import org.distorted.library.DistortedTexture;
......
51 52 
{
52 53 
    private GLSurfaceView mView;
53 54 
    private DistortedScreen mScreen;
54 
    private DistortedTexture mCubeTex, mFloorTex;
55 
    private DistortedEffects mCube1Effects, mCube2Effects, mFloorEffects;
56 
    private MeshObject mCubeMesh, mFloorMesh;
55 
    private DistortedTexture mCubeTex, mFloorTex, mFBOTex;
56 
    private DistortedEffects mCube1Effects, mCube2Effects, mFloorEffects, mFBOEffects;
57 
    private DistortedNode mCube1Node, mCube2Node, mFloorNode, mFBONode;
58 
    private MeshObject mCubeMesh, mQuad;
59 

  		




  
  60
  
    
///////////////////////////////////////////////////////////////////////////////////////////////////


  		




  
  61
  
    

  		




  
  62
  
    
    void setScreen(boolean screen)


  		




  
  63
  
    
      {


  		




  
  64
  
    
      if( screen )


  		




  
  65
  
    
        {


  		




  
  66
  
    
        mScreen.detachAll();


  		




  
  67
  
    
        mScreen.attach(mCube1Node);


  		




  
  68
  
    
        mScreen.attach(mFloorNode);


  		




  
  69
  
    
        mScreen.attach(mCube2Node);


  		




  
  70
  
    
        }


  		




  
  71
  
    
      else


  		




  
  72
  
    
        {


  		




  
  73
  
    
        if( mFBONode==null ) mFBONode = new DistortedNode(mFBOTex,mFBOEffects,mQuad);


  		




  
  74
  
    

  		




  
  75
  
    
        mScreen.detachAll();


  		




  
  76
  
    
        mScreen.attach(mFBONode);


  		




  
  77
  
    
        mFBONode.attach(mCube1Node);


  		




  
  78
  
    
        mFBONode.attach(mCube2Node);


  		




  
  79
  
    
        mFBONode.attach(mFloorNode);


  		




  
  80
  
    

  		




  
  81
  
    
        DistortedFramebuffer fbo = mFBONode.getFramebuffer();


  		




  
  82
  
    
        if( fbo!=null ) fbo.enableDepthStencil(DistortedFramebuffer.BOTH_DEPTH_STENCIL);


  		




  
  83
  
    
        else


  		




  
  84
  
    
          {


  		




  
  85
  
    
          android.util.Log.e("stencil", "failed to enable STENCIL!");


  		




  
  86
  
    
          }


  		




  
  87
  
    
        }


  		




  
  88
  
    
      }


  		




  57
  89
  
    

  		




  58
  90
  
    
///////////////////////////////////////////////////////////////////////////////////////////////////


  		




  59
  91
  
    

  		




  ......




  61
  93
  
    
      {


  		




  62
  94
  
    
      mView = v;


  		




  63
  95
  
    

  		




  64
  
  
    
      mCubeMesh  = new MeshCubes(1,1,false);


  		




  65
  
  
    
      mFloorMesh = new MeshFlat(1,1);


  		




  
  96
  
    
      mCubeMesh = new MeshCubes(1,1,false);


  		




  
  97
  
    
      mQuad     = new MeshFlat(1,1);


  		




  66
  98
  
    

  		




  67
  99
  
    
      mCubeTex   = new DistortedTexture(1,1);


  		




  68
  100
  
    
      mFloorTex  = new DistortedTexture(1,1);


  		




  
  101
  
    
      mFBOTex    = new DistortedTexture(1,1);


  		




  69
  102
  
    

  		




  70
  103
  
    
      mCube1Effects = new DistortedEffects();


  		




  71
  104
  
    
      mCube2Effects = new DistortedEffects();


  		




  72
  105
  
    
      mFloorEffects = new DistortedEffects();


  		




  
  106
  
    
      mFBOEffects   = new DistortedEffects();


  		




  73
  107
  
    

  		




  74
  108
  
    
      mCube2Effects.brightness(new Static1D(0.5f));


  		




  75
  109
  
    

  		




  76
  
  
    
      DistortedNode cube1Node = new DistortedNode(mCubeTex ,mCube1Effects,mCubeMesh );


  		




  77
  
  
    
      DistortedNode cube2Node = new DistortedNode(mCubeTex ,mCube2Effects,mCubeMesh );


  		




  78
  
  
    
      DistortedNode floorNode = new DistortedNode(mFloorTex,mFloorEffects,mFloorMesh);


  		




  
  110
  
    
      mCube1Node = new DistortedNode(mCubeTex ,mCube1Effects,mCubeMesh );


  		




  
  111
  
    
      mCube2Node = new DistortedNode(mCubeTex ,mCube2Effects,mCubeMesh );


  		




  
  112
  
    
      mFloorNode = new DistortedNode(mFloorTex,mFloorEffects,mQuad     );


  		




  79
  113
  
    

  		




  80
  
  
    
      floorNode.glEnable(GLES30.GL_STENCIL_TEST);                               // Enable Stencil when rendering this Node


  		




  81
  
  
    
      floorNode.glStencilFunc(GLES30.GL_ALWAYS, 1, 0xFF);                       // Set any stencil to 1


  		




  82
  
  
    
      floorNode.glStencilOp(GLES30.GL_KEEP, GLES30.GL_KEEP, GLES30.GL_REPLACE); // replace with 1 when we fail Depth test


  		




  83
  
  
    
      floorNode.glStencilMask(0xFF);                                            // Write to stencil buffer


  		




  84
  
  
    
      floorNode.glDepthMask(false);                                             // Don't write to depth buffer


  		




  85
  
  
    
      floorNode.glClear(GLES30.GL_STENCIL_BUFFER_BIT);                          // Clear stencil buffer (0 by default)


  		




  
  114
  
    
      mFloorNode.glEnable(GLES30.GL_STENCIL_TEST);                               // Enable Stencil when rendering this Node


  		




  
  115
  
    
      mFloorNode.glStencilFunc(GLES30.GL_ALWAYS, 1, 0xFF);                       // Set any stencil to 1


  		




  
  116
  
    
      mFloorNode.glStencilOp(GLES30.GL_KEEP, GLES30.GL_KEEP, GLES30.GL_REPLACE); // replace with 1 when we fail Depth test


  		




  
  117
  
    
      mFloorNode.glStencilMask(0xFF);                                            // Write to stencil buffer


  		




  
  118
  
    
      mFloorNode.glDepthMask(false);                                             // Don't write to depth buffer


  		




  
  119
  
    
      mFloorNode.glClear(GLES30.GL_STENCIL_BUFFER_BIT);                          // Clear stencil buffer (0 by default)


  		




  86
  120
  
    

  		




  87
  
  
    
      cube2Node.glEnable(GLES30.GL_STENCIL_TEST);                               // Enable Stencil when rendering this Node


  		




  88
  
  
    
      cube2Node.glStencilFunc(GLES30.GL_EQUAL, 1, 0xFF);                        // Pass test if stencil value is 1


  		




  89
  
  
    
      cube2Node.glStencilMask(0x00);                                            // Don't write anything to stencil buffer


  		




  90
  
  
    
      cube2Node.glDepthMask(true);                                              // Write to depth buffer


  		




  
  121
  
    
      mCube2Node.glEnable(GLES30.GL_STENCIL_TEST);                               // Enable Stencil when rendering this Node


  		




  
  122
  
    
      mCube2Node.glStencilFunc(GLES30.GL_EQUAL, 1, 0xFF);                        // Pass test if stencil value is 1


  		




  
  123
  
    
      mCube2Node.glStencilMask(0x00);                                            // Don't write anything to stencil buffer


  		




  
  124
  
    
      mCube2Node.glDepthMask(true);                                              // Write to depth buffer


  		




  91
  125
  
    

  		




  92
  126
  
    
      mScreen = new DistortedScreen(mView);


  		




  93
  
  
    
      mScreen.attach(cube1Node);


  		




  94
  
  
    
      mScreen.attach(floorNode);


  		




  95
  
  
    
      mScreen.attach(cube2Node);


  		




  96
  127
  
    
      mScreen.glClearColor(1.0f,1.0f,1.0f,1.0f);


  		




  97
  
  
    

  		




  98
  128
  
    
      mView.setEGLConfigChooser(5,6,5,0,16,8);       // Screen: 16 bit depth, 8 bit STENCIL


  		




  
  129
  
    

  		




  
  130
  
    
      setScreen(true);


  		




  99
  131
  
    
      }


  		




  100
  132
  
    

  		




  101
  133
  
    
///////////////////////////////////////////////////////////////////////////////////////////////////


  		




  102
  
  
    
   


  		




  
  134
  
    

  		




  103
  135
  
    
    public void onDrawFrame(GL10 glUnused) 


  		




  104
  136
  
    
      {


  		




  105
  137
  
    
      mScreen.render(System.currentTimeMillis());


  		




  ......




  115
  147
  
    

  		




  116
  148
  
    
      float fw = mFloorTex.getWidth();


  		




  117
  149
  
    
      float fh = mFloorTex.getHeight();


  		




  118
  
  
    
      float fd = mFloorTex.getDepth(mFloorMesh);


  		




  
  150
  
    
      float fd = mFloorTex.getDepth(mQuad);


  		




  119
  151
  
    

  		




  120
  152
  
    
      float cubeScale = 0.4f*(width>height ? height/ch:width/cw);


  		




  121
  153
  
    
      float floorScale= 0.8f*(width>height ? height/fh:width/fw);


  		




  ......




  157
  189
  
    
      mFloorEffects.rotate(rotSt2, axisX, floorCenter);


  		




  158
  190
  
    
      mFloorEffects.rotate(rotDyn, axisZ, floorCenter);


  		




  159
  191
  
    

  		




  
  192
  
    
      if( mFBONode==null ) mFBONode = new DistortedNode(mFBOTex,mFBOEffects,mQuad);


  		




  
  193
  
    

  		




  
  194
  
    
      DistortedFramebuffer fbo = mFBONode.getFramebuffer();


  		




  
  195
  
    
      if( fbo!=null ) fbo.resize(width,height);


  		




  
  196
  
    
      else


  		




  
  197
  
    
        {


  		




  
  198
  
    
        android.util.Log.e("stencil", "failed to resize FBO!");


  		




  
  199
  
    
        }


  		




  
  200
  
    

  		




  160
  201
  
    
      mScreen.resize(width, height);


  		




  161
  202
  
    
      }


  		




  162
  203
  
    

  		












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