com.jme3.texture.FrameBuffer$RenderBuffer.getSlot java code examples

private void readFrameBufferWithGLFormat(FrameBuffer fb, ByteBuffer byteBuf, int glFormat, int dataType) {
  if (fb != null) {
    RenderBuffer rb = fb.getColorBuffer();
    if (rb == null) {
      throw new IllegalArgumentException("Specified framebuffer"
          + " does not have a colorbuffer");
    }
    setFrameBuffer(fb);
    if (gl2 != null) {
      if (context.boundReadBuf != rb.getSlot()) {
        gl2.glReadBuffer(GLFbo.GL_COLOR_ATTACHMENT0_EXT + rb.getSlot());
        context.boundReadBuf = rb.getSlot();
      }
    }
  } else {
    setFrameBuffer(null);
  }
  gl.glReadPixels(vpX, vpY, vpW, vpH, glFormat, dataType, byteBuf);
}

RenderBuffer rb = fb.getColorBuffer(fb.getTargetIndex());
if (context.boundDrawBuf != rb.getSlot()) {
  gl2.glDrawBuffer(GLFbo.GL_COLOR_ATTACHMENT0_EXT + rb.getSlot());
  context.boundDrawBuf = rb.getSlot();

private void printRealRenderBufferInfo(FrameBuffer fb, RenderBuffer rb, String name) {
  System.out.println("== Renderbuffer " + name + " ==");
  System.out.println("RB ID: " + rb.getId());
  System.out.println("Is proper? " + glIsRenderbufferEXT(rb.getId()));
  int attachment = convertAttachmentSlot(rb.getSlot());
  int type = glGetFramebufferAttachmentParameteriEXT(GL_DRAW_FRAMEBUFFER_EXT,
      attachment,
      GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT);
  int rbName = glGetFramebufferAttachmentParameteriEXT(GL_DRAW_FRAMEBUFFER_EXT,
      attachment,
      GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT);
  switch (type) {
    case GL_NONE:
      System.out.println("Type: None");
      break;
    case GL_TEXTURE:
      System.out.println("Type: Texture");
      break;
    case GL_RENDERBUFFER_EXT:
      System.out.println("Type: Buffer");
      System.out.println("RB ID: " + rbName);
      break;
  }
}

RenderBuffer rb = fb.getColorBuffer(fb.getTargetIndex());
if (context.boundDrawBuf != rb.getSlot()) {
  glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT + rb.getSlot());
  context.boundDrawBuf = rb.getSlot();

glReadBuffer(GL_COLOR_ATTACHMENT0_EXT + rb.getSlot());

glReadBuffer(GL_COLOR_ATTACHMENT0_EXT + rb.getSlot());

RenderBuffer rb = fb.getColorBuffer(fb.getTargetIndex());
if (context.boundDrawBuf != rb.getSlot()) {
  gl2.glDrawBuffer(GLFbo.GL_COLOR_ATTACHMENT0_EXT + rb.getSlot());
  context.boundDrawBuf = rb.getSlot();

public void updateRenderTexture(FrameBuffer fb, RenderBuffer rb) {
  Texture tex = rb.getTexture();
  Image image = tex.getImage();
  if (image.isUpdateNeeded()) {
    // Check NPOT requirements
    checkNonPowerOfTwo(tex);
    updateTexImageData(image, tex.getType(), 0, false);
    // NOTE: For depth textures, sets nearest/no-mips mode
    // Required to fix "framebuffer unsupported"
    // for old NVIDIA drivers!
    setupTextureParams(0, tex);
  }
  if (rb.getLayer() < 0){
    glfbo.glFramebufferTexture2DEXT(GLFbo.GL_FRAMEBUFFER_EXT,
        convertAttachmentSlot(rb.getSlot()),
        convertTextureType(tex.getType(), image.getMultiSamples(), rb.getFace()),
        image.getId(),
        0);
  } else {
    glfbo.glFramebufferTextureLayerEXT(GLFbo.GL_FRAMEBUFFER_EXT, 
        convertAttachmentSlot(rb.getSlot()), 
        image.getId(), 
        0,
        rb.getLayer());
  }
}

private void readFrameBufferWithGLFormat(FrameBuffer fb, ByteBuffer byteBuf, int glFormat, int dataType) {
  if (fb != null) {
    RenderBuffer rb = fb.getColorBuffer();
    if (rb == null) {
      throw new IllegalArgumentException("Specified framebuffer"
          + " does not have a colorbuffer");
    }
    setFrameBuffer(fb);
    if (gl2 != null) {
      if (context.boundReadBuf != rb.getSlot()) {
        gl2.glReadBuffer(GLFbo.GL_COLOR_ATTACHMENT0_EXT + rb.getSlot());
        context.boundReadBuf = rb.getSlot();
      }
    }
  } else {
    setFrameBuffer(null);
  }
  gl.glReadPixels(vpX, vpY, vpW, vpH, glFormat, dataType, byteBuf);
}

public void readFrameBuffer(FrameBuffer fb, ByteBuffer byteBuf) {
  if (fb != null) {
    RenderBuffer rb = fb.getColorBuffer();
    if (rb == null) {
      throw new IllegalArgumentException("Specified framebuffer"
          + " does not have a colorbuffer");
    }
    setFrameBuffer(fb);
    if (context.boundReadBuf != rb.getSlot()) {
      glReadBuffer(GL_COLOR_ATTACHMENT0_EXT + rb.getSlot());
      context.boundReadBuf = rb.getSlot();
    }
  } else {
    setFrameBuffer(null);
  }
  glReadPixels(vpX, vpY, vpW, vpH, /*GL_RGBA*/ GL_BGRA, GL_UNSIGNED_BYTE, byteBuf);
}

public void updateFrameBufferAttachment(FrameBuffer fb, RenderBuffer rb) {
  boolean needAttach;
  if (rb.getTexture() == null) {
    // if it hasn't been created yet, then attach is required.
    needAttach = rb.getId() == -1;
    updateRenderBuffer(fb, rb);
  } else {
    needAttach = false;
    updateRenderTexture(fb, rb);
  }
  if (needAttach) {
    glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT,
        convertAttachmentSlot(rb.getSlot()),
        GL_RENDERBUFFER_EXT,
        rb.getId());
  }
}

public void updateRenderTexture(FrameBuffer fb, RenderBuffer rb) {
  Texture tex = rb.getTexture();
  Image image = tex.getImage();
  if (image.isUpdateNeeded()) {
    updateTexImageData(image, tex.getType(), 0);
    // NOTE: For depth textures, sets nearest/no-mips mode
    // Required to fix "framebuffer unsupported"
    // for old NVIDIA drivers!
    setupTextureParams(tex);
  }
  glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT,
      convertAttachmentSlot(rb.getSlot()),
      convertTextureType(tex.getType(), image.getMultiSamples(), rb.getFace()),
      image.getId(),
      0);
}

public void updateFrameBufferAttachment(FrameBuffer fb, RenderBuffer rb) {
  boolean needAttach;
  if (rb.getTexture() == null) {
    // if it hasn't been created yet, then attach is required.
    needAttach = rb.getId() == -1;
    updateRenderBuffer(fb, rb);
  } else {
    needAttach = false;
    updateRenderTexture(fb, rb);
  }
  if (needAttach) {
    glfbo.glFramebufferRenderbufferEXT(GLFbo.GL_FRAMEBUFFER_EXT,
        convertAttachmentSlot(rb.getSlot()),
        GLFbo.GL_RENDERBUFFER_EXT,
        rb.getId());
  }
}

public void updateRenderTexture(FrameBuffer fb, RenderBuffer rb) {
  Texture tex = rb.getTexture();
  Image image = tex.getImage();
  if (image.isUpdateNeeded()) {
    // Check NPOT requirements
    checkNonPowerOfTwo(tex);
    updateTexImageData(image, tex.getType(), 0, false);
    // NOTE: For depth textures, sets nearest/no-mips mode
    // Required to fix "framebuffer unsupported"
    // for old NVIDIA drivers!
    setupTextureParams(0, tex);
  }
  if (rb.getLayer() < 0){
    glfbo.glFramebufferTexture2DEXT(GLFbo.GL_FRAMEBUFFER_EXT,
        convertAttachmentSlot(rb.getSlot()),
        convertTextureType(tex.getType(), image.getMultiSamples(), rb.getFace()),
        image.getId(),
        0);
  } else {
    glfbo.glFramebufferTextureLayerEXT(GLFbo.GL_FRAMEBUFFER_EXT, 
        convertAttachmentSlot(rb.getSlot()), 
        image.getId(), 
        0,
        rb.getLayer());
  }
}

public void updateFrameBufferAttachment(FrameBuffer fb, RenderBuffer rb) {
  boolean needAttach;
  if (rb.getTexture() == null) {
    // if it hasn't been created yet, then attach is required.
    needAttach = rb.getId() == -1;
    updateRenderBuffer(fb, rb);
  } else {
    needAttach = false;
    updateRenderTexture(fb, rb);
  }
  if (needAttach) {
    glfbo.glFramebufferRenderbufferEXT(GLFbo.GL_FRAMEBUFFER_EXT,
        convertAttachmentSlot(rb.getSlot()),
        GLFbo.GL_RENDERBUFFER_EXT,
        rb.getId());
  }
}

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How to use getSlotmethodin com.jme3.texture.FrameBuffer$RenderBuffer

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