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My solution for Processing 2.0.1 + Syphon
[4 Replies]
03-Jul-2013 04:27 AM
Forum:
Share your Work
Hi All
Processing output like a Syphon server.
jsyphon used from
syphon-implementations
by
andres
works well with any Processing's Demo/Graphics sketches.
If someone wants to wrap this solution to the library - I agree.
import javax.media.opengl.GL2;
import jsyphon.*;
class SyphonServer2{
protected JSyphonServer syphon;
protected GL2 gl;
protected int[] texID;
protected int[] syphonFBO;
public SyphonServer2(String name){
syphon = new JSyphonServer();
syphon.initWithName(name);
println("Starting the syphon server:"+name);
try {
gl = ((PGraphicsOpenGL)g).pgl.gl.getGL2();
} catch (javax.media.opengl.GLException e) {
println("OpenGL 2 not supported!");
}
texID = new int[1];
gl.glGenTextures(1, texID, 0);
gl.glBindTexture(GL2.GL_TEXTURE_RECTANGLE, texID[0]);
gl.glTexImage2D(GL2.GL_TEXTURE_RECTANGLE, 0, GL2.GL_RGBA8, width, height, 0, GL2.GL_RGBA, GL2.GL_UNSIGNED_BYTE, null);
int[] defaultFBO = new int[1];
gl.glGetIntegerv(GL2.GL_FRAMEBUFFER_BINDING, defaultFBO, 0);
syphonFBO = new int[1];
gl.glGenFramebuffers(1, syphonFBO, 0);
gl.glBindFramebuffer(GL2.GL_FRAMEBUFFER, syphonFBO[0]);
gl.glFramebufferTexture2D(GL2.GL_FRAMEBUFFER, GL2.GL_COLOR_ATTACHMENT0, GL2.GL_TEXTURE_RECTANGLE, texID[0], 0);
gl.glBindFramebuffer(GL2.GL_FRAMEBUFFER, defaultFBO[0]);
}
public void send(){
int[] defaultFBO = new int[1];
gl.glGetIntegerv(GL2.GL_FRAMEBUFFER_BINDING, defaultFBO, 0);
//println("fbo="+defaultFBO[0]);
gl.glBindFramebuffer(GL2.GL_READ_FRAMEBUFFER, defaultFBO[0]);
gl.glBindFramebuffer(GL2.GL_DRAW_FRAMEBUFFER, syphonFBO[0]);
gl.glBlitFramebuffer(0, 0, width, height,
0, 0, width, height,
GL2.GL_COLOR_BUFFER_BIT, GL2.GL_LINEAR);
syphon.publishFrameTexture(texID[0], GL2.GL_TEXTURE_RECTANGLE, 0, 0, width, height, width, height, false);
gl.glBindFramebuffer(GL2.GL_FRAMEBUFFER, defaultFBO[0]);
}
public void stop(){
println("deleting textures");
gl.glDeleteTextures(1, texID, 0);
gl.glDeleteFramebuffers(1, syphonFBO, 0);
if(syphon!=null) {
println("stopping the syphon server");
syphon.stop();
}
}
}
SyphonServer2 syphon;
...
void setup() {
...
syphon = new SyphonServer2("Test server");
}
void draw() {
...
syphon.send();
}
void dispose() {
syphon.stop();
}
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