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Revision 60c1c622

Added by Leszek Koltunski about 7 years ago

Move the Postprocessing buffers to OutputSurface.

View differences:

src/main/java/org/distorted/library/DistortedEffects.java
297 297

  
298 298
///////////////////////////////////////////////////////////////////////////////////////////////////
299 299

  
300
  DistortedFramebuffer getPostprocessingBuffer()
300
  EffectQueuePostprocess getPostprocess()
301 301
    {
302
    return mP.mNumEffects==0 ? null : mP.mMainBuffer;
302
    return mP;
303 303
    }
304 304

  
305 305
///////////////////////////////////////////////////////////////////////////////////////////////////
src/main/java/org/distorted/library/DistortedFramebuffer.java
31 31
public class DistortedFramebuffer extends DistortedOutputSurface implements DistortedInputSurface
32 32
  {
33 33

  
34
///////////////////////////////////////////////////////////////////////////////////////////////////
35

  
36
  DistortedFramebuffer getBuffer()
37
    {
38
    return this;
39
    }
40

  
41 34
///////////////////////////////////////////////////////////////////////////////////////////////////
42 35
// Must be called from a thread holding OpenGL Context
43 36
// Watch out - this has the side-effect of binding a Texture and a Framebuffer!
......
135 128
    if( mDepthCreated!=DONT_CREATE ) mDepthCreated = NOT_CREATED_YET;
136 129
    }
137 130

  
138
///////////////////////////////////////////////////////////////////////////////////////////////////
139
// if new size fits into the size of the underlying Texture, just change the projection without
140
// reallocating the Texture. Otherwise, we need to reallocate.
141
//
142
// Must be called from a thread holding the OpenGL context.
143

  
144
  void resizeFast(int width, int height)
145
    {
146
    if( mWidth!=width || mHeight!=height )
147
      {
148
      mWidth = width;
149
      mHeight= height;
150
      createProjection();
151

  
152
      if( width> mSizeX || height> mSizeY)
153
        {
154
        mSizeX = width;
155
        mSizeY = height;
156
        delete();
157
        }
158
      }
159

  
160
    create();
161
    }
162

  
163 131
///////////////////////////////////////////////////////////////////////////////////////////////////
164 132
// create SYSTEM or TREE framebuffers (those are just like normal FBOs, just hold information
165 133
// that they were autocreated only for the Library's internal purposes (SYSTEM) or for using
src/main/java/org/distorted/library/DistortedNode.java
220 220

  
221 221
///////////////////////////////////////////////////////////////////////////////////////////////////
222 222

  
223
  DistortedFramebuffer getPostprocessingBuffer()
223
  EffectQueuePostprocess getPostprocess()
224 224
    {
225
    return mEffects.getPostprocessingBuffer();
225
    return mEffects.getPostprocess();
226 226
    }
227 227

  
228 228
///////////////////////////////////////////////////////////////////////////////////////////////////
src/main/java/org/distorted/library/DistortedOutputSurface.java
30 30
  private ArrayList<DistortedNode> mChildren;
31 31
  private int mNumChildren;   // ==mChildren.length(), but we only create mChildren if the first one gets added
32 32

  
33
  DistortedFramebuffer mBuffer1, mBuffer2;
34

  
33 35
  private long mTime;
34 36
  private float mFOV;
35 37
  int mWidth,mHeight,mDepth;
......
43 45
  private float mClearR, mClearG, mClearB, mClearA;
44 46
  private float mClearDepth;
45 47

  
46
///////////////////////////////////////////////////////////////////////////////////////////////////
47

  
48
  abstract DistortedFramebuffer getBuffer();
49

  
50 48
///////////////////////////////////////////////////////////////////////////////////////////////////
51 49

  
52 50
  DistortedOutputSurface(int width, int height, int createColor, int createDepth, int fbo, int type)
......
123 121
    {
124 122
    int numRenders = 0;
125 123
    DistortedNode child;
126
    DistortedFramebuffer fbo;
127
    DistortedOutputSurface surface;
124
    EffectQueuePostprocess lastP=null, currP=null;
125
    long lastB=0, currB=0;
128 126

  
129
    // 1. Render all children that have postprocessing effects to their own buffer FBOs
127
    // Render all children, one by one.
128
    // If there are no postprocessing effects, just render to THIS.
129
    // Otherwise, render to a buffer and on each change of Postprocessing Bucket,
130
    // apply the postprocessing to a whole buffer and merge it.
131
    //
132
    // TODO: in order for this to be efficient, the children really need to be sorted
133
    // to keep the same Buckets together.
130 134

  
131 135
    for(int i=0; i<num; i++)
132 136
      {
133 137
      child = children.get(i);
134
      fbo   = child.getPostprocessingBuffer();
138
      currP = child.getPostprocess();
139
      currB = currP.getBucket();
135 140

  
136
      if( fbo!=null )
141
      if( i>0 && currB!=lastB )
137 142
        {
138
        fbo.resizeFast(mWidth,mHeight);
139
        numRenders += child.draw(time,fbo);
143
        numRenders += lastP.postprocess(time,this);
140 144
        }
141
      }
142

  
143
    // 2. If we have rendered anything so far, and we are a Screen, then render to an
144
    //    intermediate FBO instead.
145

  
146
    surface = this;//numRenders>0 ? getBuffer() : this;
147

  
148
    // 3. Render all children without postprocessing effects to buffer
149

  
150
    for(int i=0; i<num; i++)
151
      {
152
      child = children.get(i);
153
      fbo   = child.getPostprocessingBuffer();
154 145

  
155
      if( fbo==null )
146
      if( currB==0 )
156 147
        {
157
        numRenders += child.draw(time,surface);
148
        numRenders += child.draw(time,this);
158 149
        }
159
      }
150
      else
151
        {
152
        if( mBuffer1==null )
153
          {
154
          mBuffer1 = new DistortedFramebuffer(mDepthCreated!=DONT_CREATE, DistortedSurface.TYPE_TREE, mWidth, mHeight);
155
          mBuffer2 = new DistortedFramebuffer(false                     , DistortedSurface.TYPE_TREE, mWidth, mHeight);
156
          }
160 157

  
161
    // 4. For all postprocessing fbo,
162
    //       postprocess fbo
163
    //       merge to buffer
158
        numRenders += child.draw(time,mBuffer1);
159
        }
164 160

  
165
    for(int i=0; i<num; i++)
166
      {
167
      numRenders += children.get(i).postprocess(time,surface);
161
      lastP = currP;
162
      lastB = currB;
168 163
      }
169 164

  
170
    // 5. finally blit to this if we have to
171

  
172
    if( surface!=this && ((DistortedFramebuffer)surface).setAsInput() )
165
    if( currB!=0 )
173 166
      {
174
      numRenders++;
175
      DistortedEffects.blitPriv(this);
167
      numRenders += currP.postprocess(time,this);
176 168
      }
177 169

  
178 170
    return numRenders;
src/main/java/org/distorted/library/DistortedScreen.java
27 27
 */
28 28
public class DistortedScreen extends DistortedOutputSurface
29 29
  {
30
  private DistortedFramebuffer mBuffer = null;
31 30

  
32 31
///////////////////////////////////////////////////////////////////////////////////////////////////
33 32
// here we don't manage underlying OpenGL assets ourselves
......
36 35
  void delete()   {}
37 36
  void recreate() {}
38 37

  
39
///////////////////////////////////////////////////////////////////////////////////////////////////
40

  
41
  DistortedFramebuffer getBuffer()
42
    {
43
    if( mBuffer==null )
44
      {
45
      mBuffer = new DistortedFramebuffer(true,DistortedSurface.TYPE_SYST,mWidth,mHeight);
46
      }
47

  
48
    if( mBuffer.mWidth != mWidth || mBuffer.mHeight != mHeight )
49
      {
50
      mBuffer.resizeFast(mWidth,mHeight);
51
      }
52

  
53
    return mBuffer;
54
    }
55

  
56 38
///////////////////////////////////////////////////////////////////////////////////////////////////
57 39
// PUBLIC API
58 40
///////////////////////////////////////////////////////////////////////////////////////////////////
src/main/java/org/distorted/library/EffectQueuePostprocess.java
65 65
    mQuadTexture.put(textureNor).position(0);
66 66
    }
67 67

  
68
  private static DistortedFramebuffer mPostBuffer = new DistortedFramebuffer(true,DistortedSurface.TYPE_SYST,1,1);
69
                 DistortedFramebuffer mMainBuffer = new DistortedFramebuffer(true,DistortedSurface.TYPE_TREE,1,1);
70

  
71 68
  // BLUR effect
72 69
  private static final float GAUSSIAN[] =   // G(0.00), G(0.03), G(0.06), ..., G(3.00), 0
73 70
    {                                       // where G(x)= (1/(sqrt(2*PI))) * e^(-(x^2)/2). The last 0 terminates.
......
162 159
    }
163 160

  
164 161
///////////////////////////////////////////////////////////////////////////////////////////////////
165
  
162
// TODO: change this into a EQP <--> long Map.
163
// For now, just returning number of effects is sufficient.
164

  
165
  long getBucket()
166
    {
167
    return mNumEffects;
168
    }
169

  
170
///////////////////////////////////////////////////////////////////////////////////////////////////
171

  
166 172
  synchronized boolean compute(long currTime)
167 173
    {
168 174
    if( currTime==mTime ) return false;
......
260 266
    {
261 267
    if( mNumEffects>0 && compute(time) )
262 268
      {
263
      mMainBuffer.setAsInput();
269
      surface.mBuffer1.setAsInput();
264 270
      float w = surface.mWidth;
265 271
      float h = surface.mHeight;
266 272

  
......
275 281

  
276 282
      // horizontal blur
277 283
      mBlur1Program.useProgram();
278
      mPostBuffer.resizeFast( (int)w, (int)h);
279
      mPostBuffer.setAsOutput(time);
284
      surface.mBuffer2.setAsOutput(time);
280 285

  
281 286
      GLES30.glUniform1fv( mWeights1H, radius+1, weightsCache,offset);
282 287
      GLES30.glUniform1i( mRadius1H, radius);
......
290 295

  
291 296
      // vertical blur
292 297
      mBlur2Program.useProgram();
293
      mPostBuffer.setAsInput();
294
      mMainBuffer.setAsDepth();
298
      surface.mBuffer2.setAsInput();
299
      surface.mBuffer1.setAsDepth();
295 300
      surface.setAsOutput(time);
296 301

  
297 302
      GLES30.glUniform1fv( mWeights2H, radius+1, weightsCache,offset);

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