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jogamp.graph.curve.opengl.VBORegion2PES2 Maven / Gradle / Ivy
/**
* Copyright 2010 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 jogamp.graph.curve.opengl;
import java.nio.FloatBuffer;
import javax.media.opengl.GL2ES2;
// FIXME: Subsume GL2GL3.GL_DRAW_FRAMEBUFFER -> GL2ES2.GL_DRAW_FRAMEBUFFER !
import javax.media.opengl.GL;
import javax.media.opengl.GLUniformData;
import javax.media.opengl.fixedfunc.GLMatrixFunc;
import jogamp.graph.curve.opengl.shader.AttributeNames;
import jogamp.graph.curve.opengl.shader.UniformNames;
import com.jogamp.common.nio.Buffers;
import com.jogamp.graph.geom.Triangle;
import com.jogamp.graph.geom.Vertex;
import com.jogamp.graph.curve.opengl.GLRegion;
import com.jogamp.graph.curve.opengl.RenderState;
import com.jogamp.opengl.FBObject;
import com.jogamp.opengl.FBObject.Attachment;
import com.jogamp.opengl.FBObject.TextureAttachment;
import com.jogamp.opengl.util.GLArrayDataServer;
import com.jogamp.opengl.util.PMVMatrix;
import com.jogamp.opengl.util.glsl.ShaderState;
public class VBORegion2PES2 extends GLRegion {
private GLArrayDataServer verticeTxtAttr;
private GLArrayDataServer texCoordTxtAttr;
private GLArrayDataServer indicesTxt;
private GLArrayDataServer verticeFboAttr;
private GLArrayDataServer texCoordFboAttr;
private GLArrayDataServer indicesFbo;
private FBObject fbo;
private TextureAttachment texA;
private PMVMatrix fboPMVMatrix;
GLUniformData mgl_fboPMVMatrix;
private int tex_width_c = 0;
private int tex_height_c = 0;
GLUniformData mgl_ActiveTexture;
GLUniformData mgl_TextureSize; // if GLSL < 1.30
public VBORegion2PES2(int renderModes, int textureEngine) {
super(renderModes);
fboPMVMatrix = new PMVMatrix();
mgl_fboPMVMatrix = new GLUniformData(UniformNames.gcu_PMVMatrix, 4, 4, fboPMVMatrix.glGetPMvMatrixf());
mgl_ActiveTexture = new GLUniformData(UniformNames.gcu_TextureUnit, textureEngine);
}
@Override
public void update(GL2ES2 gl, RenderState rs) {
if(!isDirty()) {
return;
}
if(null == indicesFbo) {
final int initialElementCount = 256;
final ShaderState st = rs.getShaderState();
indicesFbo = GLArrayDataServer.createData(3, GL2ES2.GL_SHORT, initialElementCount, GL.GL_STATIC_DRAW, GL.GL_ELEMENT_ARRAY_BUFFER);
indicesFbo.puts((short) 0); indicesFbo.puts((short) 1); indicesFbo.puts((short) 3);
indicesFbo.puts((short) 1); indicesFbo.puts((short) 2); indicesFbo.puts((short) 3);
indicesFbo.seal(true);
texCoordFboAttr = GLArrayDataServer.createGLSL(AttributeNames.TEXCOORD_ATTR_NAME, 2, GL2ES2.GL_FLOAT,
false, initialElementCount, GL.GL_STATIC_DRAW);
st.ownAttribute(texCoordFboAttr, true);
texCoordFboAttr.putf(5); texCoordFboAttr.putf(5);
texCoordFboAttr.putf(5); texCoordFboAttr.putf(6);
texCoordFboAttr.putf(6); texCoordFboAttr.putf(6);
texCoordFboAttr.putf(6); texCoordFboAttr.putf(5);
texCoordFboAttr.seal(true);
verticeFboAttr = GLArrayDataServer.createGLSL(AttributeNames.VERTEX_ATTR_NAME, 3, GL2ES2.GL_FLOAT,
false, initialElementCount, GL.GL_STATIC_DRAW);
st.ownAttribute(verticeFboAttr, true);
indicesTxt = GLArrayDataServer.createData(3, GL2ES2.GL_SHORT, initialElementCount, GL.GL_STATIC_DRAW, GL.GL_ELEMENT_ARRAY_BUFFER);
verticeTxtAttr = GLArrayDataServer.createGLSL(AttributeNames.VERTEX_ATTR_NAME, 3, GL2ES2.GL_FLOAT,
false, initialElementCount, GL.GL_STATIC_DRAW);
st.ownAttribute(verticeTxtAttr, true);
texCoordTxtAttr = GLArrayDataServer.createGLSL(AttributeNames.TEXCOORD_ATTR_NAME, 2, GL2ES2.GL_FLOAT,
false, initialElementCount, GL.GL_STATIC_DRAW);
st.ownAttribute(texCoordTxtAttr, true);
if(DEBUG_INSTANCE) {
System.err.println("VBORegion2PES2 Create: " + this);
}
}
// process triangles
indicesTxt.seal(gl, false);
indicesTxt.rewind();
for(int i=0; i maxTexSize[0]) {
gl.glGetIntegerv(GL.GL_MAX_TEXTURE_SIZE, maxTexSize, 0);
}
if(texWidth[0] != tex_width_c) {
if(texWidth[0] > maxTexSize[0]) {
texWidth[0] = maxTexSize[0]; // clip to max - write-back user value!
}
renderRegion2FBO(gl, rs, texWidth);
}
// System.out.println("Scale: " + matrix.glGetMatrixf().get(1+4*3) +" " + matrix.glGetMatrixf().get(2+4*3));
renderFBO(gl, rs, vp_width, vp_height);
}
}
private void renderFBO(GL2ES2 gl, RenderState rs, int width, int hight) {
final ShaderState st = rs.getShaderState();
gl.glViewport(0, 0, width, hight);
st.uniform(gl, mgl_ActiveTexture);
gl.glActiveTexture(GL.GL_TEXTURE0 + mgl_ActiveTexture.intValue());
fbo.use(gl, texA);
verticeFboAttr.enableBuffer(gl, true);
texCoordFboAttr.enableBuffer(gl, true);
indicesFbo.bindBuffer(gl, true); // keeps VBO binding
gl.glDrawElements(GL2ES2.GL_TRIANGLES, indicesFbo.getElementCount() * indicesFbo.getComponentCount(), GL2ES2.GL_UNSIGNED_SHORT, 0);
indicesFbo.bindBuffer(gl, false);
texCoordFboAttr.enableBuffer(gl, false);
verticeFboAttr.enableBuffer(gl, false);
fbo.unuse(gl);
// setback: gl.glActiveTexture(currentActiveTextureEngine[0]);
}
private void renderRegion2FBO(GL2ES2 gl, RenderState rs, int[/*1*/] texWidth) {
final ShaderState st = rs.getShaderState();
if(0>=texWidth[0]) {
throw new IllegalArgumentException("texWidth must be greater than 0: "+texWidth[0]);
}
tex_width_c = texWidth[0];
tex_height_c = (int) ( ( ( tex_width_c * box.getHeight() ) / box.getWidth() ) + 0.5f );
// System.out.println("FBO Size: "+texWidth[0]+" -> "+tex_width_c+"x"+tex_height_c);
// System.out.println("FBO Scale: " + m.glGetMatrixf().get(0) +" " + m.glGetMatrixf().get(5));
if(null != fbo && fbo.getWidth() != tex_width_c && fbo.getHeight() != tex_height_c ) {
fbo.reset(gl, tex_width_c, tex_height_c);
}
if(null == fbo) {
fbo = new FBObject();
fbo.reset(gl, tex_width_c, tex_height_c);
// FIXME: shall not use bilinear, due to own AA ? However, w/o bilinear result is not smooth
texA = fbo.attachTexture2D(gl, 0, true, GL2ES2.GL_LINEAR, GL2ES2.GL_LINEAR, GL2ES2.GL_CLAMP_TO_EDGE, GL2ES2.GL_CLAMP_TO_EDGE);
// texA = fbo.attachTexture2D(gl, 0, GL2ES2.GL_NEAREST, GL2ES2.GL_NEAREST, GL2ES2.GL_CLAMP_TO_EDGE, GL2ES2.GL_CLAMP_TO_EDGE);
fbo.attachRenderbuffer(gl, Attachment.Type.DEPTH, 24);
} else {
fbo.bind(gl);
}
//render texture
gl.glViewport(0, 0, tex_width_c, tex_height_c);
st.uniform(gl, mgl_fboPMVMatrix); // use orthogonal matrix
gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
gl.glClear(GL2ES2.GL_COLOR_BUFFER_BIT | GL2ES2.GL_DEPTH_BUFFER_BIT);
renderRegion(gl);
fbo.unbind(gl);
st.uniform(gl, rs.getPMVMatrix()); // switch back to real PMV matrix
// if( !gl.isGL3() ) {
// GLSL < 1.30
if(null == mgl_TextureSize) {
mgl_TextureSize = new GLUniformData(UniformNames.gcu_TextureSize, 2, Buffers.newDirectFloatBuffer(2));
}
final FloatBuffer texSize = (FloatBuffer) mgl_TextureSize.getBuffer();
texSize.put(0, (float)fbo.getWidth());
texSize.put(1, (float)fbo.getHeight());
st.uniform(gl, mgl_TextureSize);
//}
}
private void renderRegion(GL2ES2 gl) {
verticeTxtAttr.enableBuffer(gl, true);
texCoordTxtAttr.enableBuffer(gl, true);
indicesTxt.bindBuffer(gl, true); // keeps VBO binding
gl.glDrawElements(GL2ES2.GL_TRIANGLES, indicesTxt.getElementCount() * indicesTxt.getComponentCount(), GL2ES2.GL_UNSIGNED_SHORT, 0);
indicesTxt.bindBuffer(gl, false);
texCoordTxtAttr.enableBuffer(gl, false);
verticeTxtAttr.enableBuffer(gl, false);
}
@Override
public void destroy(GL2ES2 gl, RenderState rs) {
if(DEBUG_INSTANCE) {
System.err.println("VBORegion2PES2 Destroy: " + this);
}
final ShaderState st = rs.getShaderState();
if(null != fbo) {
fbo.destroy(gl);
fbo = null;
texA = null;
}
if(null != verticeTxtAttr) {
st.ownAttribute(verticeTxtAttr, false);
verticeTxtAttr.destroy(gl);
verticeTxtAttr = null;
}
if(null != texCoordTxtAttr) {
st.ownAttribute(texCoordTxtAttr, false);
texCoordTxtAttr.destroy(gl);
texCoordTxtAttr = null;
}
if(null != indicesTxt) {
indicesTxt.destroy(gl);
indicesTxt = null;
}
if(null != verticeFboAttr) {
st.ownAttribute(verticeFboAttr, false);
verticeFboAttr.destroy(gl);
verticeFboAttr = null;
}
if(null != texCoordFboAttr) {
st.ownAttribute(texCoordFboAttr, false);
texCoordFboAttr.destroy(gl);
texCoordFboAttr = null;
}
if(null != indicesFbo) {
indicesFbo.destroy(gl);
indicesFbo = null;
}
triangles.clear();
vertices.clear();
}
}
