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authorSven Gothel <[email protected]>2008-07-11 13:43:43 +0000
committerSven Gothel <[email protected]>2008-07-11 13:43:43 +0000
commitc5e71598bd074cc141a5688aca294f9a0443bf69 (patch)
tree5822f35f1f9f762a141264896dfeb1784f905885 /src/classes/javax/media
parentb02975d74ba8410dffaccc18f2279c1e165972df (diff)
Added working javax.media.opengl.util.FBObject
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/branches/JOGL_2_SANDBOX@1721 232f8b59-042b-4e1e-8c03-345bb8c30851
Diffstat (limited to 'src/classes/javax/media')
-rwxr-xr-xsrc/classes/javax/media/opengl/util/FBObject.java212
1 files changed, 212 insertions, 0 deletions
diff --git a/src/classes/javax/media/opengl/util/FBObject.java b/src/classes/javax/media/opengl/util/FBObject.java
new file mode 100755
index 000000000..867512445
--- /dev/null
+++ b/src/classes/javax/media/opengl/util/FBObject.java
@@ -0,0 +1,212 @@
+/*
+ * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistribution 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.
+ *
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ *
+ */
+
+package javax.media.opengl.util;
+
+import javax.media.opengl.*;
+
+public class FBObject {
+ private int fb, fbo_tex, depth_rb, stencil_rb, width, height, vStatus, attr;
+
+ public static final int ATTR_DEPTH = 1 << 0;
+ public static final int ATTR_STENCIL = 1 << 1;
+
+ public FBObject(int width, int height, int attributes) {
+ this.width = width;
+ this.height = height;
+ this.attr = attributes;
+ }
+
+
+ public boolean validateStatus(GL gl)
+ {
+ if(!gl.glIsFramebuffer(fb)) {
+ vStatus=-1;
+ return false;
+ }
+ vStatus=gl.glCheckFramebufferStatus(gl.GL_FRAMEBUFFER);
+ //vStatus=gl.glCheckFramebufferStatus(fb);
+
+ switch(vStatus) {
+ case GL.GL_FRAMEBUFFER_COMPLETE:
+ return true;
+ case GL.GL_FRAMEBUFFER_UNSUPPORTED:
+ case GL.GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT:
+ case GL.GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:
+ case GL.GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS:
+ case GL.GL_FRAMEBUFFER_INCOMPLETE_FORMATS:
+ //case GL2.GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER:
+ //case GL2.GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER:
+ //case GL2.GL_FRAMEBUFFER_INCOMPLETE_DUPLICATE_ATTACHMENT:
+ case 0:
+ default:
+ return false;
+ }
+ }
+
+ public String getStatusString()
+ {
+ switch(vStatus) {
+ case -1:
+ return "NOT A FBO";
+ case GL.GL_FRAMEBUFFER_COMPLETE:
+ return "OK";
+ case GL.GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT:
+ return("GL FBO: incomplete,incomplete attachment\n");
+ case GL.GL_FRAMEBUFFER_UNSUPPORTED:
+ return("GL FBO: Unsupported framebuffer format");
+ case GL.GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:
+ return("GL FBO: incomplete,missing attachment");
+ case GL.GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS:
+ return("GL FBO: incomplete,attached images must have same dimensions");
+ case GL.GL_FRAMEBUFFER_INCOMPLETE_FORMATS:
+ return("GL FBO: incomplete,attached images must have same format");
+ /*
+ case GL2.GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER:
+ return("GL FBO: incomplete,missing draw buffer");
+ case GL2.GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER:
+ return("GL FBO: incomplete,missing read buffer");
+ case GL2.GL_FRAMEBUFFER_INCOMPLETE_DUPLICATE_ATTACHMENT:
+ return("GL FBO: incomplete, duplicate attachment");
+ */
+ case 0:
+ return("GL FBO: incomplete, implementation fault");
+ default:
+ return("GL FBO: incomplete, implementation ERROR");
+ }
+ }
+
+ public void init(GL gl) {
+ // generate fbo ..
+ int name[] = new int[1];
+
+ gl.glGenFramebuffers(1, name, 0);
+ fb = name[0];
+ System.out.println("fb: "+fb);
+
+ gl.glGenTextures(1, name, 0);
+ fbo_tex = name[0];
+ System.out.println("fbo_tex: "+fbo_tex);
+
+ if(0!=(attr&ATTR_DEPTH)) {
+ gl.glGenRenderbuffers(1, name, 0);
+ depth_rb = name[0];
+ System.out.println("depth_rb: "+depth_rb);
+ } else {
+ depth_rb = 0;
+ }
+ if(0!=(attr&ATTR_STENCIL)) {
+ gl.glGenRenderbuffers(1, name, 0);
+ stencil_rb = name[0];
+ System.out.println("stencil_rb: "+stencil_rb);
+ } else {
+ stencil_rb = 0;
+ }
+
+ // bind fbo ..
+ gl.glBindFramebuffer(GL.GL_FRAMEBUFFER, fb);
+
+ gl.glBindTexture(GL.GL_TEXTURE_2D, fbo_tex);
+ if(gl.isGL2()) {
+ gl.glTexImage2D(GL.GL_TEXTURE_2D, 0, GL.GL_RGBA8, width, height, 0,
+ GL2.GL_BGRA, GL2.GL_UNSIGNED_INT_8_8_8_8_REV, null);
+ } else {
+ gl.glTexImage2D(GL.GL_TEXTURE_2D, 0, GL.GL_RGB8, width, height, 0,
+ GL.GL_RGB, GL.GL_UNSIGNED_BYTE, null);
+ }
+ gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_NEAREST);
+ gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_NEAREST);
+ //gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_S, GL2.GL_CLAMP);
+ //gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_T, GL2.GL_CLAMP);
+
+
+ // Set up the color buffer for use as a renderable texture:
+ gl.glFramebufferTexture2D(GL.GL_FRAMEBUFFER,
+ GL.GL_COLOR_ATTACHMENT0,
+ GL.GL_TEXTURE_2D, fbo_tex, 0);
+
+ if(depth_rb!=0) {
+ // Initialize the depth buffer:
+ gl.glBindRenderbuffer(GL.GL_RENDERBUFFER, depth_rb);
+ gl.glRenderbufferStorage(GL.GL_RENDERBUFFER,
+ GL.GL_DEPTH_COMPONENT16, width, height);
+ // Set up the depth buffer attachment:
+ gl.glFramebufferRenderbuffer(GL.GL_FRAMEBUFFER,
+ GL.GL_DEPTH_ATTACHMENT,
+ GL.GL_RENDERBUFFER, depth_rb);
+ }
+
+ if(stencil_rb!=0) {
+ // Initialize the stencil buffer:
+ gl.glBindRenderbuffer(GL.GL_RENDERBUFFER, stencil_rb);
+ gl.glRenderbufferStorage(GL.GL_RENDERBUFFER,
+ GL.GL_STENCIL_INDEX8, width, height);
+ gl.glFramebufferRenderbuffer(GL.GL_FRAMEBUFFER,
+ GL.GL_STENCIL_ATTACHMENT,
+ GL.GL_RENDERBUFFER, stencil_rb);
+ }
+
+ // Check the FBO for completeness
+ if(validateStatus(gl)) {
+ System.out.println("Framebuffer " + fb + " is complete");
+ } else {
+ System.out.println("Framebuffer " + fb + " is incomplete: status = 0x" + Integer.toHexString(vStatus) +
+ " : " + getStatusString());
+ }
+
+ unbind(gl);
+ }
+
+ public void bind(GL gl) {
+ gl.glBindTexture(GL.GL_TEXTURE_2D, fbo_tex);
+ gl.glBindFramebuffer(GL.GL_FRAMEBUFFER, fb);
+ }
+
+ public void unbind(GL gl) {
+ gl.glBindTexture(GL.GL_TEXTURE_2D, 0);
+ gl.glBindFramebuffer(GL.GL_FRAMEBUFFER, 0);
+ }
+
+ public void use(GL gl) {
+ gl.glBindTexture(GL.GL_TEXTURE_2D, 0);
+ gl.glBindFramebuffer(GL.GL_FRAMEBUFFER, 0);
+ gl.glBindTexture(GL.GL_TEXTURE_2D, fbo_tex); // to use it ..
+ }
+
+ public int getFBName() {
+ return fb;
+ }
+ public int getTextureName() {
+ return fbo_tex;
+ }
+}