diff options
| -rw-r--r-- | src/graphui/classes/com/jogamp/graph/ui/gl/Scene.java | 127 |
1 files changed, 117 insertions, 10 deletions
diff --git a/src/graphui/classes/com/jogamp/graph/ui/gl/Scene.java b/src/graphui/classes/com/jogamp/graph/ui/gl/Scene.java index 737589954..929123005 100644 --- a/src/graphui/classes/com/jogamp/graph/ui/gl/Scene.java +++ b/src/graphui/classes/com/jogamp/graph/ui/gl/Scene.java @@ -224,7 +224,7 @@ public final class Scene implements GLEventListener { public int getSampleCount() { return sampleCount[0]; } public int setSampleCount(final int v) { - sampleCount[0] = Math.min(8, Math.max(v, 1)); // clip + sampleCount[0] = Math.min(8, Math.max(v, 0)); // clip markAllShapesDirty(); return sampleCount[0]; } @@ -271,18 +271,38 @@ public final class Scene implements GLEventListener { @SuppressWarnings({ "unchecked", "rawtypes" }) @Override public void display(final GLAutoDrawable drawable) { + final Object[] shapesS = shapes.toArray(); + Arrays.sort(shapesS, (Comparator)shapeZAscComparator); + + display(drawable, shapesS, false); // false); + } + + private static final int[] sampleCountGLSelect = { -1 }; + + private void display(final GLAutoDrawable drawable, final Object[] shapesS, final boolean glSelect) { final GL2ES2 gl = drawable.getGL().getGL2ES2(); - gl.glClearColor(1.0f, 1.0f, 1.0f, 1.0f); - gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT); + final int[] sampleCount0; + if( glSelect ) { + gl.glClearColor(0f, 0f, 0f, 1f); + sampleCount0 = sampleCountGLSelect; + gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT); + } else { + if( null != clearColor ) { + gl.glClearColor(1f, 1f, 1f, 1f); + gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT); + } + sampleCount0 = sampleCount; + } final PMVMatrix pmv = renderer.getMatrix(); pmv.glMatrixMode(GLMatrixFunc.GL_MODELVIEW); - final Object[] shapesS = shapes.toArray(); - Arrays.sort(shapesS, (Comparator)shapeZAscComparator); - - renderer.enable(gl, true); + if( glSelect ) { + renderer.enable(gl, true, RegionRenderer.defaultBlendDisable, RegionRenderer.defaultBlendDisable); + } else { + renderer.enable(gl, true); + } //final int shapeCount = shapes.size(); final int shapeCount = shapesS.length; @@ -291,13 +311,25 @@ public final class Scene implements GLEventListener { final Shape uiShape = (Shape)shapesS[i]; // System.err.println("Id "+i+": "+uiShape); if( uiShape.isEnabled() ) { - uiShape.validate(gl, renderer); pmv.glPushMatrix(); uiShape.setTransform(pmv); - uiShape.drawShape(gl, renderer, sampleCount); + if( glSelect ) { + final float color = ( i + 1f ) / ( shapeCount + 2f ); + // FIXME + // System.err.printf("drawGL: color %f, index %d of [0..%d[%n", color, i, shapeCount); + renderer.getRenderState().setColorStatic(color, color, color, 1f); + uiShape.drawGLSelect(gl, renderer, sampleCount0); + } else { + uiShape.draw(gl, renderer, sampleCount0); + } pmv.glPopMatrix(); } } + if( glSelect ) { + renderer.enable(gl, false, RegionRenderer.defaultBlendDisable, RegionRenderer.defaultBlendDisable); + } else { + renderer.enable(gl, false); + } renderer.enable(gl, false); } @@ -368,7 +400,82 @@ public final class Scene implements GLEventListener { private final float[] dpyTmp3V3 = new float[3]; /** - * Calling {@link Shape#winToObjCoord(RegionRenderer, int, int, float[])}, retrieving its object position. + * Attempt to pick a {@link Shape} using the OpenGL false color rendering. + * <p> + * If {@link Shape} was found the given action is performed on the rendering thread. + * </p> + * <p> + * Method is non blocking and performs on rendering-thread, it returns immediately. + * </p> + * @param glWinX window X coordinate, bottom-left origin + * @param glWinY window Y coordinate, bottom-left origin + * @param objPos storage for found object position in model-space of found {@link Shape} + * @param shape storage for found {@link Shape} or null + * @param runnable the action to perform if {@link Shape} was found + */ + public void pickShapeGL(final int glWinX, final int glWinY, final float[] objPos, final Shape[] shape, final Runnable runnable) { + if( null == cDrawable ) { + return; + } + cDrawable.invoke(false, new GLRunnable() { + @Override + public boolean run(final GLAutoDrawable drawable) { + final Shape s = pickShapeGLImpl(drawable, glWinX, glWinY); + shape[0] = s; + if( null != s ) { + final PMVMatrix pmv = renderer.getMatrix(); + pmv.glPushMatrix(); + s.setTransform(pmv); + shape[0].winToObjCoord(getMatrix(), getViewport(), glWinX, glWinY, objPos); + pmv.glPopMatrix(); + + runnable.run(); + } + return false; // needs to re-render to wash away our false-color glSelect + } } ); + } + @SuppressWarnings({ "unchecked", "rawtypes" }) + private Shape pickShapeGLImpl(final GLAutoDrawable drawable, final int glWinX, final int glWinY) { + final Object[] shapesS = shapes.toArray(); + Arrays.sort(shapesS, (Comparator)shapeZAscComparator); + + final GLPixelStorageModes psm = new GLPixelStorageModes(); + final ByteBuffer pixel = Buffers.newDirectByteBuffer(4); + + final GL2ES2 gl = drawable.getGL().getGL2ES2(); + + display(drawable, shapesS, true); + + psm.setPackAlignment(gl, 4); + // psm.setUnpackAlignment(gl, 4); + try { + // gl.glReadPixels(glWinX, getHeight() - glWinY, 1, 1, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, pixel); + gl.glReadPixels(glWinX, glWinY, 1, 1, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, pixel); + } catch(final GLException gle) { + gle.printStackTrace(); + return null; + } + psm.restore(gl); + + // final float color = ( i + 1f ) / ( shapeCount + 2f ); + final int shapeCount = shapes.size(); + final int qp = pixel.get(0) & 0xFF; + final float color = qp / 255.0f; + final int index = Math.round( ( color * ( shapeCount + 2f) ) - 1f ); + + // FIXME drawGL: color 0.333333, index 0 of [0..1[ + System.err.printf("pickGL: glWin %d / %d, byte %d, color %f, index %d of [0..%d[%n", + glWinX, glWinY, qp, color, index, shapeCount); + + if( 0 <= index && index < shapeCount ) { + return (Shape)shapesS[index]; + } else { + return null; + } + } + + /** + * Calling {@link Shape#winToObjCoord(Scene, int, int, float[])}, retrieving its object position. * @param shape * @param glWinX in GL window coordinates, origin bottom-left * @param glWinY in GL window coordinates, origin bottom-left |