/src/main/java/org/distorted/library/DistortedFramebuffer.java - Diff - Distorted Android

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Revision dedacd82

Added by Leszek Koltunski over 7 years ago

ID dedacd82be03784af6d4a421a23771608573491a
Parent 7304d89f
Child 8e34674e

Javadoc

     import android.opengl.Matrix;
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Class which represents a OpenGL Framebuffer object.
+     *
      * User is able to create either WRITE-only Framebuffers from objects already constructed outside
      * of the library (the first constructor; primary use case: the screen) or an offscreen READ-WRITE
      * FBOs (used by the DistortedNode, but also can be used by external users of the library)
      */
     public class DistortedFramebuffer
+      {
       private static final int TEXTURE_FAILED_TO_CREATE = -1;
-...
       private boolean createFBO()
+        {
         GLES20.glGenTextures(1, texIds, 0);
         GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texIds[0]);
         GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_NEAREST);
         GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
-...
         GLES20.glGenFramebuffers(1, fboIds, 0);
         GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, fboIds[0]);
         GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_TEXTURE_2D, texIds[0], 0);
         int status = GLES20.glCheckFramebufferStatus(GLES20.GL_FRAMEBUFFER);
         if(status != GLES20.GL_FRAMEBUFFER_COMPLETE)
+          {
           android.util.Log.e("DistortedFramebuffer", "failed to create framebuffer, error="+status);
           GLES20.glDeleteTextures(1, texIds, 0);
           GLES20.glDeleteFramebuffers(1, fboIds, 0);
           fboIds[0] = 0;
-...
           return false;
+          }
         android.util.Log.e("FBO", "creating ("+mWidth+","+mHeight+") "+fboIds[0]);
         DistortedFramebufferList.add(this);
         android.util.Log.e("FBO", "created ("+mWidth+","+mHeight+") "+fboIds[0]);
         return true;
+        }
-...
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     // PUBLIC API
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Create a new offscreen FBO.
+     *
      * @param width Width of the COLOR attachment.
      * @param height Height of the COLOR attachment.
      */
       public DistortedFramebuffer(int width, int height)
+        {
         mProjectionMatrix = new float[16];
-...
         mMarked = false;
         createProjection();
         DistortedFramebufferList.add(this);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Create a new DistortedFramebuffer from an already created OpenGL Framebuffer.
+     *
      * @param fbo the ID of a OpenGL Framebuffer object. Typically 0 (the screen)
      */
       public DistortedFramebuffer(int fbo)
+        {
         mProjectionMatrix = new float[16];
-...
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Mark the underlying OpenGL object for deletion. Actual deletion will take place on the next render.
      */
       public void markForDeletion()
+        {
         android.util.Log.e("FBO", "marking for deletion ("+mWidth+","+mHeight+") "+fboIds[0]);
-...
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
       public void setProjection(float FOV, float x, float y)
     /**
      * Create new Projection matrix.
+     *
      * @param fov Vertical 'field of view' of the Projection frustrum (in degrees).
      * @param x X-coordinate of the point at which our camera looks at. -1<x<1
      * @param y Y-coordinate of the point at which our camera looks at. -1<y<1
      */
       public void setProjection(float fov, float x, float y)
+        {
         mFOV = FOV;
         mFOV = fov;
         mX   = x;
         mY   = y;
-...
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Resize the underlying Framebuffer.
+     *
      * As the Framebuffer is not created until the first render, typical usage of this API is actually
      * to set the size of an not-yet-created Framebuffer of an object that has been created with the
      * second constructor.
+     *
      * Fully creating an object, rendering to it, then resizing mid-render is also possible.
+     *
      * @param width The new width.
      * @param height The new height.
      */
       public void resize(int width, int height)
+        {
         if( mWidth!=width || mHeight!=height )
-...
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
       public int getFBO()
+        {
         return fboIds[0];
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     // set this as Render Target to draw to. Must be called from a thread holding OpenGL context.
     /**
      * Set this as the Framebuffer to write to.
      */
       public void setOutput()
+        {
-...
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     // set this as Render Target to draw from. Must be called from a thread holding OpenGL context.
     /**
      * Set this as the Framebuffer to read from.
      */
       public void setInput()
+        {

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Distorted Android

Revision dedacd82

Added by Leszek Koltunski over 7 years ago