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Diffstat (limited to 'src/demos/es1/cubefbo/FBObject.java')
| -rwxr-xr-x | src/demos/es1/cubefbo/FBObject.java | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/src/demos/es1/cubefbo/FBObject.java b/src/demos/es1/cubefbo/FBObject.java new file mode 100755 index 0000000..13d5b01 --- /dev/null +++ b/src/demos/es1/cubefbo/FBObject.java @@ -0,0 +1,151 @@ +/* + * 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 demos.es1.cubefbo; + +import javax.media.opengl.*; +import com.sun.opengl.util.*; +import java.nio.*; + +class FBObject { + private int fb, fbo_tex, depth_rb, stencil_rb, width, height; + + public FBObject(int width, int height) { + this.width = width; + this.height = height; + } + + public void init(GL gl) { + // generate fbo .. + int name[] = new int[1]; + + gl.glGenTextures(1, name, 0); + fbo_tex = name[0]; + System.out.println("fbo_tex: "+fbo_tex); + + gl.glBindTexture(GL.GL_TEXTURE_2D, fbo_tex); + 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.glTexImage2D(GL.GL_TEXTURE_2D, 0, GL.GL_RGB8_OES, width, height, 0, + GL.GL_RGB, GL.GL_UNSIGNED_BYTE, null); + + gl.glGenRenderbuffersOES(1, name, 0); + depth_rb = name[0]; + System.out.println("depth_rb: "+depth_rb); + + // Initialize the depth buffer: + gl.glBindRenderbufferOES(GL.GL_RENDERBUFFER_OES, depth_rb); + gl.glRenderbufferStorageOES(GL.GL_RENDERBUFFER_OES, + GL.GL_DEPTH_COMPONENT16_OES, width, height); + + // gl.glGenRenderbuffersOES(1, name, 0); + // stencil_rb = name[0]; + stencil_rb = 0; + System.out.println("stencil_rb: "+stencil_rb); + + gl.glGenFramebuffersOES(1, name, 0); + fb = name[0]; + System.out.println("fb: "+fb); + + // bind fbo .. + gl.glBindFramebufferOES(GL.GL_FRAMEBUFFER_OES, fb); + + // Set up the color buffer for use as a renderable texture: + gl.glFramebufferTexture2DOES(GL.GL_FRAMEBUFFER_OES, + GL.GL_COLOR_ATTACHMENT0_OES, + GL.GL_TEXTURE_2D, fbo_tex, 0); + + // Set up the depth buffer attachment: + gl.glFramebufferRenderbufferOES(GL.GL_FRAMEBUFFER_OES, + GL.GL_DEPTH_ATTACHMENT_OES, + GL.GL_RENDERBUFFER_OES, depth_rb); + + // bind fbo .. + gl.glBindFramebufferOES(GL.GL_FRAMEBUFFER_OES, fb); + + // Setup the color buffer for use as a renderable texture: + gl.glBindTexture(GL.GL_TEXTURE_2D, fbo_tex); + + gl.glTexImage2D(GL.GL_TEXTURE_2D, 0, GL.GL_RGB8_OES, width, height, 0, + GL.GL_RGB, GL.GL_UNSIGNED_BYTE, null); + + gl.glFramebufferTexture2DOES(GL.GL_FRAMEBUFFER_OES, + GL.GL_COLOR_ATTACHMENT0_OES, + GL.GL_TEXTURE_2D, fbo_tex, 0); + + // Initialize the depth buffer: + gl.glBindRenderbufferOES(GL.GL_RENDERBUFFER_OES, depth_rb); + + gl.glRenderbufferStorageOES(GL.GL_RENDERBUFFER_OES, + GL.GL_DEPTH_COMPONENT16_OES, width, height); + + gl.glFramebufferRenderbufferOES(GL.GL_FRAMEBUFFER_OES, + GL.GL_DEPTH_ATTACHMENT_OES, + GL.GL_RENDERBUFFER_OES, depth_rb); + + if(stencil_rb!=0) { + // Initialize the stencil buffer: + gl.glBindRenderbufferOES(GL.GL_RENDERBUFFER_OES, stencil_rb); + + gl.glRenderbufferStorageOES(GL.GL_RENDERBUFFER_OES, + GL.GL_STENCIL_INDEX8_OES, width, height); + + gl.glFramebufferRenderbufferOES(GL.GL_FRAMEBUFFER_OES, + GL.GL_STENCIL_ATTACHMENT_OES, + GL.GL_RENDERBUFFER_OES, stencil_rb); + } + + // Check the FBO for completeness + int res = gl.glCheckFramebufferStatusOES(fb); + if (res == GL.GL_FRAMEBUFFER_COMPLETE_OES) { + System.out.println("Framebuffer " + fb + " is complete"); + } else { + System.out.println("Framebuffer " + fb + " is incomplete: status = 0x" + Integer.toHexString(res)); + } + } + + public void bind(GL gl) { + gl.glBindFramebufferOES(GL.GL_FRAMEBUFFER_OES, fb); + } + + public void unbind(GL gl) { + gl.glBindFramebufferOES(GL.GL_FRAMEBUFFER_OES, 0); + } + + public int getFBName() { + return fb; + } + public int getTextureName() { + return fbo_tex; + } +} |