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Revision f89f791a

Added by Leszek Koltunski about 7 years ago

Preliminary support for MIPMAP levels of the postprocessing buffers. (doesn't work yet)

View differences:

src/main/java/org/distorted/library/DistortedOutputSurface.java
27 27

  
28 28
abstract class DistortedOutputSurface extends DistortedSurface implements DistortedSlave
29 29
{
30
  private static final int NUM_MIPMAP = 4;
31
          static final int CUR_MIPMAP = 1;
32

  
30 33
  private static final int ATTACH = 0;
31 34
  private static final int DETACH = 1;
32 35
  private static final int DETALL = 2;
......
51 54

  
52 55
  private ArrayList<Job> mJobs = new ArrayList<>();
53 56

  
54
  DistortedFramebuffer mBuffer1, mBuffer2;
57
  DistortedFramebuffer[] mBuffer1, mBuffer2;
55 58

  
56 59
  private long mTime;
57 60
  private float mFOV;
......
95 98

  
96 99
    mClearDepth = 1.0f;
97 100

  
101
    mBuffer1 = new DistortedFramebuffer[NUM_MIPMAP];
102
    mBuffer2 = new DistortedFramebuffer[NUM_MIPMAP];
103

  
98 104
    createProjection();
99 105
    }
100 106

  
......
171 177
        }
172 178
      else
173 179
        {
174
        if( mBuffer1==null )
180
        if( mBuffer1[0]==null )
175 181
          {
176
          mBuffer1 = new DistortedFramebuffer(mDepthCreated!=DONT_CREATE, DistortedSurface.TYPE_SYST, mWidth, mHeight);
177
          mBuffer2 = new DistortedFramebuffer(false                     , DistortedSurface.TYPE_SYST, mWidth, mHeight);
182
          int sizeX = mWidth;
183
          int sizeY = mHeight;
184

  
185
          for(int j=0; j<NUM_MIPMAP; j++)
186
            {
187
            mBuffer1[j] = new DistortedFramebuffer(mDepthCreated!=DONT_CREATE, DistortedSurface.TYPE_SYST, sizeX, sizeY);
188
            mBuffer2[j] = new DistortedFramebuffer(false                     , DistortedSurface.TYPE_SYST, sizeX, sizeY);
189

  
190
            sizeX *= 0.9f;
191
            sizeY *= 0.9f;
192
            }
178 193
          }
179 194

  
180
        numRenders += child.draw(time,mBuffer1);
195
        numRenders += child.draw(time,mBuffer1[CUR_MIPMAP]);
181 196
        if( i==num-1 )
182 197
          {
183 198
          numRenders += currP.postprocess(time,this);
src/main/java/org/distorted/library/EffectQueuePostprocess.java
93 93
  private static float[] offsetsCache = new float[MAX_BLUR + MAX_BLUR*MAX_BLUR/4];
94 94

  
95 95
  private static DistortedProgram mBlur1Program, mBlur2Program;
96
  private static int mRadius1H,mOffsets1H,mWeights1H,mDepth1H, mColorTexture1H;
97
  private static int mRadius2H,mOffsets2H,mWeights2H,mDepth2H, mColorTexture2H, mDepthTexture2H;
96
  private static int mRadius1H,mOffsets1H,mWeights1H,mDepth1H, mScale1H, mColorTexture1H;
97
  private static int mRadius2H,mOffsets2H,mWeights2H,mDepth2H, mScale2H, mColorTexture2H, mDepthTexture2H;
98 98
  private static float[] mWeights = new float[MAX_BLUR];
99 99
  private static float[] mOffsets = new float[MAX_BLUR];
100 100
  // another effect ....
......
131 131
    mOffsets1H      = GLES30.glGetUniformLocation( blur1ProgramH, "u_Offsets");
132 132
    mWeights1H      = GLES30.glGetUniformLocation( blur1ProgramH, "u_Weights");
133 133
    mDepth1H        = GLES30.glGetUniformLocation( blur1ProgramH, "u_Depth");
134
    mScale1H        = GLES30.glGetUniformLocation( blur1ProgramH, "u_Scale");
134 135
    mColorTexture1H = GLES30.glGetUniformLocation( blur1ProgramH, "u_ColorTexture");
135 136

  
136 137
    final InputStream blur2VertexStream   = resources.openRawResource(R.raw.blur_vertex_shader);
......
154 155
    mOffsets2H      = GLES30.glGetUniformLocation( blur2ProgramH, "u_Offsets");
155 156
    mWeights2H      = GLES30.glGetUniformLocation( blur2ProgramH, "u_Weights");
156 157
    mDepth2H        = GLES30.glGetUniformLocation( blur2ProgramH, "u_Depth");
158
    mScale2H        = GLES30.glGetUniformLocation( blur2ProgramH, "u_Scale");
157 159
    mColorTexture2H = GLES30.glGetUniformLocation( blur2ProgramH, "u_ColorTexture");
158 160
    mDepthTexture2H = GLES30.glGetUniformLocation( blur2ProgramH, "u_DepthTexture");
159 161
    }
......
259 261
      {
260 262
      compute(time);
261 263

  
262
      surface.mBuffer1.setAsInput();
263
      float w = surface.mWidth;
264
      float h = surface.mHeight;
264
      surface.mBuffer1[DistortedOutputSurface.CUR_MIPMAP].setAsInput();
265
      float w = surface.mBuffer1[DistortedOutputSurface.CUR_MIPMAP].mWidth;
266
      float h = surface.mBuffer1[DistortedOutputSurface.CUR_MIPMAP].mHeight;
265 267

  
266 268
      int radius = (int)mUniforms[0];
267 269
      if( radius>=MAX_BLUR ) radius = MAX_BLUR-1;
......
274 276

  
275 277
      // horizontal blur
276 278
      mBlur1Program.useProgram();
277
      surface.mBuffer2.setAsOutput(time);
279
      surface.mBuffer2[DistortedOutputSurface.CUR_MIPMAP].setAsOutput(time);
278 280

  
279 281
      GLES30.glUniform1fv( mWeights1H, radius+1, weightsCache,offset);
280 282
      GLES30.glUniform1i( mRadius1H, radius);
281 283
      GLES30.glUniform1f( mDepth1H , 1.0f-surface.mNear);
284
      GLES30.glUniform1f( mScale1H , 1.0f);
282 285
      GLES30.glUniform1i( mColorTexture1H , 0 );
283 286
      for(int i=0; i<=radius; i++) mOffsets[i] = offsetsCache[offset+i]/h;
284 287
      GLES30.glUniform1fv( mOffsets1H ,radius+1, mOffsets,0);
......
288 291

  
289 292
      // vertical blur
290 293
      mBlur2Program.useProgram();
291
      surface.mBuffer2.setAsInput();
292
      surface.mBuffer1.setAsDepth();
294
      surface.mBuffer2[DistortedOutputSurface.CUR_MIPMAP].setAsInput();
295
      surface.mBuffer1[DistortedOutputSurface.CUR_MIPMAP].setAsDepth();
293 296
      surface.setAsOutput(time);
294 297

  
295 298
      GLES30.glUniform1fv( mWeights2H, radius+1, weightsCache,offset);
296 299
      GLES30.glUniform1i( mRadius2H, radius);
297 300
      GLES30.glUniform1f( mDepth2H , 1.0f-surface.mNear);
301
      GLES30.glUniform1f( mScale2H , 0.9f);
298 302
      GLES30.glUniform1i( mColorTexture2H , 0 );
299 303
      GLES30.glUniform1i( mDepthTexture2H , 1 );
300 304
      for(int i=0; i<=radius; i++) mOffsets[i] = offsetsCache[offset+i]/w;
src/main/res/raw/blur_vertex_shader.glsl
30 30
#endif
31 31

  
32 32
uniform float u_Depth;    // distance from the near plane to render plane, in clip coords
33
uniform float u_Scale;
33 34

  
34 35
//////////////////////////////////////////////////////////////////////////////////////////////
35 36

  
36 37
void main()
37 38
  {
38
  v_TexCoordinate = a_TexCoordinate;
39
  v_TexCoordinate = u_Scale*a_TexCoordinate;
39 40
  gl_Position     = vec4(2.0*a_Position,u_Depth,1.0);
40 41
  }

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