Project

General

Profile

« Previous | Next » 

Revision 94f6d472

Added by Leszek Koltunski about 7 years ago

Make it more flexible; now it can run almost all apps on OpenGL 2.0 contexts; OpenGL 3.0 ( with GLSL 3.00) required for POSTPROCESSING.

View differences:

src/main/res/raw/blur1_fragment_shader.glsl
19 19 

  		




  20
  20
  
    
precision lowp float;


  		




  21
  21
  
    

  		




  
  22
  
    
#if __VERSION__ != 100


  		




  
  23
  
    
#define TEXTURE texture


  		




  22
  24
  
    
in vec2 v_TexCoordinate;


  		




  23
  25
  
    
out vec4 fragColor;


  		




  
  26
  
    
#else


  		




  
  27
  
    
#define TEXTURE texture2D


  		




  
  28
  
    
varying vec2 v_TexCoordinate;


  		




  
  29
  
    
#endif


  		




  
  30
  
    

  		




  24
  31
  
    
uniform sampler2D u_ColorTexture;


  		




  25
  32
  
    
uniform float u_Offsets[MAX_BLUR];


  		




  26
  33
  
    
uniform float u_Weights[MAX_BLUR];


  		




  ......




  30
  37
  
    

  		




  31
  38
  
    
void main()


  		




  32
  39
  
    
  {


  		




  33
  
  
    
  vec4 pixel= texture(u_ColorTexture,v_TexCoordinate) * u_Weights[0];


  		




  
  40
  
    
  vec4 pixel= TEXTURE(u_ColorTexture,v_TexCoordinate) * u_Weights[0];


  		




  34
  41
  
    

  		




  35
  42
  
    
  for (int i=1; i<=u_Radius; i+=1)


  		




  36
  43
  
    
    {


  		




  37
  
  
    
    pixel += ( texture(u_ColorTexture,vec2(v_TexCoordinate.x+u_Offsets[i],v_TexCoordinate.y)) +


  		




  38
  
  
    
               texture(u_ColorTexture,vec2(v_TexCoordinate.x-u_Offsets[i],v_TexCoordinate.y)) ) * u_Weights[i];


  		




  
  44
  
    
    pixel += ( TEXTURE(u_ColorTexture,vec2(v_TexCoordinate.x+u_Offsets[i],v_TexCoordinate.y)) +


  		




  
  45
  
    
               TEXTURE(u_ColorTexture,vec2(v_TexCoordinate.x-u_Offsets[i],v_TexCoordinate.y)) ) * u_Weights[i];


  		




  39
  46
  
    
    }


  		




  40
  47
  
    

  		




  41
  
  
    
  fragColor = pixel;


  		




  
  48
  
    
#if __VERSION__ != 100


  		




  
  49
  
    
  fragColor    =


  		




  
  50
  
    
#else


  		




  
  51
  
    
  gl_FragColor =


  		




  
  52
  
    
#endif


  		




  
  53
  
    

  		




  
  54
  
    
  pixel;


  		




  42
  55
  
    
  }


  		












Also available in:  Unified diff