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authorSven Gothel <sgothel@jausoft.com>2014-02-23 14:51:06 +0100
committerSven Gothel <sgothel@jausoft.com>2014-02-23 14:51:06 +0100
commit3352601e0860584509adf2b76f993d03893ded4b (patch)
tree974fccc8c0eb2f5ad9d4ffd741dfc35869ed67b5 /src/jogl/classes/com/jogamp/opengl/util/RandomTileRenderer.java
parentf51933f0ebe9ae030c26c066e59a728ce08b8559 (diff)
parentc67de337a8aaf52e36104c3f13e273aa19d21f1f (diff)
Merge branch 'master' into stash_glyphcache
Conflicts: make/scripts/tests.sh src/jogl/classes/com/jogamp/graph/curve/OutlineShape.java src/jogl/classes/com/jogamp/graph/curve/Region.java src/jogl/classes/com/jogamp/graph/curve/opengl/GLRegion.java src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java src/jogl/classes/com/jogamp/graph/curve/opengl/Renderer.java src/jogl/classes/com/jogamp/graph/curve/opengl/TextRenderer.java src/jogl/classes/com/jogamp/graph/font/Font.java src/jogl/classes/com/jogamp/opengl/math/VectorUtil.java src/jogl/classes/jogamp/graph/curve/text/GlyphShape.java src/jogl/classes/jogamp/graph/curve/text/GlyphString.java src/jogl/classes/jogamp/graph/font/typecast/TypecastFont.java src/jogl/classes/jogamp/graph/font/typecast/TypecastGlyph.java src/jogl/classes/jogamp/graph/font/typecast/TypecastRenderer.java
Diffstat (limited to 'src/jogl/classes/com/jogamp/opengl/util/RandomTileRenderer.java')
-rw-r--r--src/jogl/classes/com/jogamp/opengl/util/RandomTileRenderer.java237
1 files changed, 237 insertions, 0 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/util/RandomTileRenderer.java b/src/jogl/classes/com/jogamp/opengl/util/RandomTileRenderer.java
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index 000000000..1c87dad4e
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+++ b/src/jogl/classes/com/jogamp/opengl/util/RandomTileRenderer.java
@@ -0,0 +1,237 @@
+/**
+ * Copyright 2013 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+package com.jogamp.opengl.util;
+
+import javax.media.opengl.GL;
+import javax.media.opengl.GL2ES3;
+import javax.media.opengl.GLAutoDrawable;
+import javax.media.opengl.GLException;
+
+import com.jogamp.opengl.util.GLPixelBuffer.GLPixelAttributes;
+
+/**
+ * Variation of {@link TileRenderer} w/o using fixed tiles but arbitrary rectangular regions.
+ * <p>
+ * See {@link TileRendererBase} for details.
+ * </p>
+ */
+public class RandomTileRenderer extends TileRendererBase {
+ private boolean tileRectSet = false;
+
+ /**
+ * Creates a new TileRenderer object
+ */
+ public RandomTileRenderer() {
+ super();
+ }
+
+ @Override
+ public final int getParam(int pname) {
+ switch (pname) {
+ case TR_IMAGE_WIDTH:
+ return imageSize.getWidth();
+ case TR_IMAGE_HEIGHT:
+ return imageSize.getHeight();
+ case TR_CURRENT_TILE_X_POS:
+ return currentTileXPos;
+ case TR_CURRENT_TILE_Y_POS:
+ return currentTileYPos;
+ case TR_CURRENT_TILE_WIDTH:
+ return currentTileWidth;
+ case TR_CURRENT_TILE_HEIGHT:
+ return currentTileHeight;
+ default:
+ throw new IllegalArgumentException("Invalid pname: "+pname);
+ }
+ }
+
+ /**
+ * Set the tile rectangle for the subsequent rendering calls.
+ *
+ * @throws IllegalArgumentException is tile x/y are < 0 or tile size is <= 0x0
+ */
+ public void setTileRect(int tX, int tY, int tWidth, int tHeight) throws IllegalStateException, IllegalArgumentException {
+ if( 0 > tX || 0 > tY ) {
+ throw new IllegalArgumentException("Tile pos must be >= 0/0");
+ }
+ if( 0 >= tWidth || 0 >= tHeight ) {
+ throw new IllegalArgumentException("Tile size must be > 0x0");
+ }
+ this.currentTileXPos = tX;
+ this.currentTileYPos = tY;
+ this.currentTileWidth = tWidth;
+ this.currentTileHeight = tHeight;
+ tileRectSet = true;
+ }
+
+ @Override
+ public final boolean isSetup() {
+ return 0 < imageSize.getWidth() && 0 < imageSize.getHeight() && tileRectSet;
+ }
+
+ /**
+ * {@inheritDoc}
+ *
+ * <p>
+ * <i>end of tiling</i> is never reached w/ {@link RandomRileRenderer},
+ * i.e. method always returns false.
+ * </p>
+ */
+ @Override
+ public final boolean eot() { return false; }
+
+ /**
+ * {@inheritDoc}
+ *
+ * Reset internal states of {@link RandomTileRenderer} are: <i>none</i>.
+ */
+ @Override
+ public final void reset() { }
+
+ /**
+ * {@inheritDoc}
+ *
+ * @throws IllegalStateException if {@link #setImageSize(int, int) image-size} has not been set or
+ * {@link #setTileRect(int, int, int, int) tile-rect} has not been set.
+ */
+ @Override
+ public final void beginTile(GL gl) throws IllegalStateException, GLException {
+ if( 0 >= imageSize.getWidth() || 0 >= imageSize.getHeight() ) {
+ throw new IllegalStateException("Image size has not been set");
+ }
+ if( !tileRectSet ) {
+ throw new IllegalStateException("tileRect has not been set");
+ }
+ validateGL(gl);
+
+ gl.glViewport( 0, 0, currentTileWidth, currentTileHeight );
+
+ if( DEBUG ) {
+ System.err.println("TileRenderer.begin.X: "+this.toString());
+ }
+
+ // Do not forget to issue:
+ // reshape( 0, 0, tW, tH );
+ // which shall reflect tile renderer fileds: currentTileXPos, currentTileYPos and imageSize
+
+ beginCalled = true;
+ }
+
+ @Override
+ public void endTile( GL gl ) throws IllegalStateException, GLException {
+ if( !beginCalled ) {
+ throw new IllegalStateException("beginTile(..) has not been called");
+ }
+ validateGL(gl);
+
+ // be sure OpenGL rendering is finished
+ gl.glFlush();
+
+ // save current glPixelStore values
+ psm.save(gl);
+ psm.setPackAlignment(gl, 1);
+ final GL2ES3 gl2es3;
+ final int readBuffer;
+ if( gl.isGL2ES3() ) {
+ gl2es3 = gl.getGL2ES3();
+ readBuffer = gl2es3.getDefaultReadBuffer();
+ gl2es3.glReadBuffer(readBuffer);
+ } else {
+ gl2es3 = null;
+ readBuffer = 0; // undef. probably default: GL_FRONT (single buffering) GL_BACK (double buffering)
+ }
+ if( DEBUG ) {
+ System.err.println("TileRenderer.end.0: readBuffer 0x"+Integer.toHexString(readBuffer)+", "+this.toString());
+ }
+
+ final int tmp[] = new int[1];
+
+ if( tileBuffer != null ) {
+ final GLPixelAttributes pixelAttribs = tileBuffer.pixelAttributes;
+ final int srcX = 0;
+ final int srcY = 0;
+ final int srcWidth = currentTileWidth;
+ final int srcHeight = currentTileHeight;
+ final int readPixelSize = GLBuffers.sizeof(gl, tmp, pixelAttribs.bytesPerPixel, srcWidth, srcHeight, 1, true);
+ tileBuffer.clear();
+ if( tileBuffer.requiresNewBuffer(gl, srcWidth, srcHeight, readPixelSize) ) {
+ throw new IndexOutOfBoundsException("Required " + readPixelSize + " bytes of buffer, only had " + tileBuffer);
+ }
+ gl.glReadPixels( srcX, srcY, srcWidth, srcHeight, pixelAttribs.format, pixelAttribs.type, tileBuffer.buffer);
+ // be sure OpenGL rendering is finished
+ gl.glFlush();
+ tileBuffer.position( readPixelSize );
+ tileBuffer.flip();
+ }
+
+ if( imageBuffer != null ) {
+ final GLPixelAttributes pixelAttribs = imageBuffer.pixelAttributes;
+ final int srcX = 0;
+ final int srcY = 0;
+ final int srcWidth = currentTileWidth;
+ final int srcHeight = currentTileHeight;
+
+ /* setup pixel store for glReadPixels */
+ final int rowLength = imageSize.getWidth();
+ psm.setPackRowLength(gl2es3, rowLength);
+
+ /* read the tile into the final image */
+ final int readPixelSize = GLBuffers.sizeof(gl, tmp, pixelAttribs.bytesPerPixel, srcWidth, srcHeight, 1, true);
+
+ final int ibPos = ( currentTileXPos + ( currentTileYPos * rowLength ) ) * pixelAttribs.bytesPerPixel; // skipPixels + skipRows
+ final int ibLim = ibPos + readPixelSize;
+ imageBuffer.clear();
+ if( imageBuffer.requiresNewBuffer(gl, srcWidth, srcHeight, readPixelSize) ) {
+ throw new IndexOutOfBoundsException("Required " + ibLim + " bytes of buffer, only had " + imageBuffer);
+ }
+ imageBuffer.position(ibPos);
+
+ gl.glReadPixels( srcX, srcY, srcWidth, srcHeight, pixelAttribs.format, pixelAttribs.type, imageBuffer.buffer);
+ // be sure OpenGL rendering is finished
+ gl.glFlush();
+ imageBuffer.position( ibLim );
+ imageBuffer.flip();
+ }
+
+ /* restore previous glPixelStore values */
+ psm.restore(gl);
+
+ beginCalled = false;
+ }
+
+ /**
+ * Rendering one tile, by simply calling {@link GLAutoDrawable#display()}.
+ *
+ * @throws IllegalStateException if no {@link GLAutoDrawable} is {@link #attachAutoDrawable(GLAutoDrawable) attached}
+ * or imageSize is not set
+ */
+ public void display(int tX, int tY, int tWidth, int tHeight) throws IllegalStateException {
+ setTileRect(tX, tY, tWidth, tHeight);
+ display();
+ }
+} \ No newline at end of file
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