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Revision d6e94c84

Added by Leszek Koltunski over 7 years ago

progress with Postprocessing.

View differences:

src/main/res/raw/post_fragment_shader.glsl
17 17 
// along with Distorted.  If not, see <http://www.gnu.org/licenses/>.                       //
18 18 
//////////////////////////////////////////////////////////////////////////////////////////////
19 19 

  		




  20
  
  
    
varying vec2 vTexCoordinate;


  		




  
  20
  
    
#define NUM_POSTPROCESS 3


  		




  
  21
  
    
#define BLUR 0


  		




  
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precision lowp float;


  		




  
  24
  
    

  		




  
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varying vec2 v_TexCoordinate;


  		




  21
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uniform sampler2D u_Texture;


  		




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uniform vec2 u_objD;


  		




  23
  
  
    
uniform int fNumEffects;                   // total number of postprocessing effects


  		




  
  28
  
    
uniform int pNumEffects;                   // total number of postprocessing effects


  		




  24
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#if NUM_POSTPROCESS>0


  		




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uniform int pType[NUM_POSTPROCESS];        // their types.


  		




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uniform vec4 pUniforms[2*NUM_POSTPROCESS]; // i-th effect is 2 consecutive vec4's: [2*i], [2*i+1].


  		




  28
  
  
    
                                           //


  		




  29
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//////////////////////////////////////////////////////////////////////////////////////////////


  		




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// BLUR EFFECT


  		




  32
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  33
  
  
    
void blur(out vec4 color)


  		




  
  37
  
    
void blur(out vec4 pixel)


  		




  34
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  {


  		




  35
  
  
    
  color = vec4(0.0);


  		




  
  39
  
    
  pixel = vec4(0.0);


  		




  36
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  float blurSizeH = 1.0 / u_objD.x;


  		




  38
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  float blurSizeV = 1.0 / u_objD.y;


  		




  39
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  40
  
  
    
  for (int x = -4; x <= 4; x++)


  		




  41
  
  
    
    for (int y = -4; y <= 4; y++)


  		




  42
  
  
    
      color += texture( u_Texture, vec2(vTexCoord.x + x * blurSizeH, vTexCoord.y + y * blurSizeV) ) / 81.0;


  		




  
  44
  
    
  for (float x = -4.0; x <= 4.0; x+=1.0)


  		




  
  45
  
    
    for (float y = -4.0; y <= 4.0; y+=1.0)


  		




  
  46
  
    
      {


  		




  
  47
  
    
      pixel += texture2D( u_Texture, vec2(v_TexCoordinate.x + x * blurSizeH, v_TexCoordinate.y + y * blurSizeV) ) / 81.0;


  		




  
  48
  
    
      }


  		




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  }


  		




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#endif


  		




  ......




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  vec4 pixel = texture2D(u_Texture,v_TexCoordinate);


  		




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#if NUM_POSTPROCESS>0


  		




  54
  
  
    
  for(int i=0; i<fNumEffects; i++)


  		




  
  60
  
    
  for(int i=0; i<pNumEffects; i++)


  		




  55
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    {


  		




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    if( pType[i]==BLUR ) blur(pixel);


  		




  57
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    }


  		












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