Method initGL

core/src/processing/opengl/PSurfaceJOGL.java:213–279

()

  protected void initGL() {
    if (profile == null) {
      if (PJOGL.profile == 1) {
        try {
          profile = GLProfile.getGL2ES1();
        } catch (GLException ex) {
          profile = GLProfile.getMaxFixedFunc(true);
        }
      } else if (PJOGL.profile == 2) {
        try {
          profile = GLProfile.getGL2ES2();

          // workaround for https://jogamp.org/bugzilla/show_bug.cgi?id=1347
          if (!profile.isHardwareRasterizer()) {
            GLProfile hardware = GLProfile.getMaxProgrammable(true);
            if (hardware.isGL2ES2()) {
              profile = hardware;
            }
          }

        } catch (GLException ex) {
          profile = GLProfile.getMaxProgrammable(true);
        }
      } else if (PJOGL.profile == 3) {
        try {
          profile = GLProfile.getGL2GL3();
        } catch (GLException ex) {
          profile = GLProfile.getMaxProgrammable(true);
        }
        if (!profile.isGL3()) {
          PGraphics.showWarning("Requested profile GL3 but is not available, got: " + profile);
        }
      } else if (PJOGL.profile == 4) {
        try {
          profile = GLProfile.getGL4ES3();
        } catch (GLException ex) {
          profile = GLProfile.getMaxProgrammable(true);
        }
        if (!profile.isGL4()) {
          PGraphics.showWarning("Requested profile GL4 but is not available, got: " + profile);
        }
      } else throw new RuntimeException(PGL.UNSUPPORTED_GLPROF_ERROR);
    }

    // Setting up the desired capabilities;
    GLCapabilities caps = new GLCapabilities(profile);
    caps.setAlphaBits(PGL.REQUESTED_ALPHA_BITS);
    caps.setDepthBits(PGL.REQUESTED_DEPTH_BITS);
    caps.setStencilBits(PGL.REQUESTED_STENCIL_BITS);

//  caps.setPBuffer(false);
//  caps.setFBO(false);

//    pgl.reqNumSamples = PGL.smoothToSamples(graphics.smooth);
    caps.setSampleBuffers(true);
    caps.setNumSamples(PGL.smoothToSamples(graphics.smooth));
    caps.setBackgroundOpaque(true);
    caps.setOnscreen(true);