using deprecated FrameBuffer methods in jme3-core and jme3-desktop

[stephengold]

While compiling "master" branch with "-Xlint:deprecation":

/home/sgold/Git/jmonkeyengine/jme3-core/src/main/java/com/jme3/post/FilterPostProcessor.java:185: warning: [deprecation] setDepthTexture(com.jme3.texture.Texture2D) in com.jme3.texture.FrameBuffer has been deprecated
                renderFrameBuffer.setDepthTexture(depthTexture);
                                 ^
/home/sgold/Git/jmonkeyengine/jme3-core/src/main/java/com/jme3/post/FilterPostProcessor.java:491: warning: [deprecation] setDepthTexture(com.jme3.texture.Texture2D) in com.jme3.texture.FrameBuffer has been deprecated
                renderFrameBufferMS.setDepthTexture(msDepth);
                                   ^
/home/sgold/Git/jmonkeyengine/jme3-core/src/main/java/com/jme3/post/FilterPostProcessor.java:492: warning: [deprecation] setColorTexture(com.jme3.texture.Texture2D) in com.jme3.texture.FrameBuffer has been deprecated
                renderFrameBufferMS.setColorTexture(msColor);
                                   ^
/home/sgold/Git/jmonkeyengine/jme3-core/src/main/java/com/jme3/post/FilterPostProcessor.java:496: warning: [deprecation] setDepthBuffer(com.jme3.texture.Image.Format) in com.jme3.texture.FrameBuffer has been deprecated
                renderFrameBufferMS.setDepthBuffer(depthFormat);
                                   ^
/home/sgold/Git/jmonkeyengine/jme3-core/src/main/java/com/jme3/post/FilterPostProcessor.java:497: warning: [deprecation] setColorBuffer(com.jme3.texture.Image.Format) in com.jme3.texture.FrameBuffer has been deprecated
                renderFrameBufferMS.setColorBuffer(fbFormat);
                                   ^
/home/sgold/Git/jmonkeyengine/jme3-core/src/main/java/com/jme3/post/FilterPostProcessor.java:503: warning: [deprecation] setDepthBuffer(com.jme3.texture.Image.Format) in com.jme3.texture.FrameBuffer has been deprecated
            renderFrameBuffer.setDepthBuffer(depthFormat);
                             ^
/home/sgold/Git/jmonkeyengine/jme3-core/src/main/java/com/jme3/post/FilterPostProcessor.java:505: warning: [deprecation] setColorTexture(com.jme3.texture.Texture2D) in com.jme3.texture.FrameBuffer has been deprecated
            renderFrameBuffer.setColorTexture(filterTexture);
                             ^
/home/sgold/Git/jmonkeyengine/jme3-core/src/main/java/com/jme3/renderer/Caps.java:522: warning: [deprecation] getDepthBuffer() in com.jme3.texture.FrameBuffer has been deprecated
        RenderBuffer depthBuf = fb.getDepthBuffer();
                                  ^
/home/sgold/Git/jmonkeyengine/jme3-core/src/main/java/com/jme3/renderer/Caps.java:537: warning: [deprecation] getNumColorBuffers() in com.jme3.texture.FrameBuffer has been deprecated
        for (int i = 0; i < fb.getNumColorBuffers(); i++){
                              ^
/home/sgold/Git/jmonkeyengine/jme3-core/src/main/java/com/jme3/renderer/Caps.java:538: warning: [deprecation] getColorBuffer(int) in com.jme3.texture.FrameBuffer has been deprecated
            if (!supportsColorBuffer(caps, fb.getColorBuffer(i))){
                                             ^

Apparently caused by PR #1401. Issue #1554 covers similar warnings in jme3-examples. For hints, see PR #1616.

[stephengold]

Other related warnings:

/home/sgold/Git/jmonkeyengine/jme3-core/src/main/java/com/jme3/post/Filter.java:113: warning: [deprecation] setDepthBuffer(com.jme3.texture.Image.Format) in com.jme3.texture.FrameBuffer has been deprecated
                renderFrameBuffer.setDepthBuffer(depthBufferFormat);
                                 ^
/home/sgold/Git/jmonkeyengine/jme3-core/src/main/java/com/jme3/post/Filter.java:116: warning: [deprecation] setDepthTexture(com.jme3.texture.Texture2D) in com.jme3.texture.FrameBuffer has been deprecated
                    renderFrameBuffer.setDepthTexture(depthTexture);
                                     ^
/home/sgold/Git/jmonkeyengine/jme3-core/src/main/java/com/jme3/post/Filter.java:121: warning: [deprecation] setDepthBuffer(com.jme3.texture.Image.Format) in com.jme3.texture.FrameBuffer has been deprecated
                renderFrameBuffer.setDepthBuffer(depthBufferFormat);
                                 ^
/home/sgold/Git/jmonkeyengine/jme3-core/src/main/java/com/jme3/post/Filter.java:124: warning: [deprecation] setDepthTexture(com.jme3.texture.Texture2D) in com.jme3.texture.FrameBuffer has been deprecated
                    renderFrameBuffer.setDepthTexture(depthTexture);
                                     ^
/home/sgold/Git/jmonkeyengine/jme3-core/src/main/java/com/jme3/post/Filter.java:128: warning: [deprecation] setColorTexture(com.jme3.texture.Texture2D) in com.jme3.texture.FrameBuffer has been deprecated
            renderFrameBuffer.setColorTexture(renderedTexture);
                             ^

[stephengold]

Extending this issue to jme3-desktop:

> Task :jme3-desktop:compileJava
/home/sgold/Git/jmonkeyengine/jme3-desktop/src/main/java/com/jme3/system/AWTFrameProcessor.java:623: warning: [deprecation] setDepthBuffer(com.jme3.texture.Image.Format) in com.jme3.texture.FrameBuffer has been deprecated
			frameBuffer.setDepthBuffer(Image.Format.Depth);
			           ^
/home/sgold/Git/jmonkeyengine/jme3-desktop/src/main/java/com/jme3/system/AWTFrameProcessor.java:624: warning: [deprecation] setColorBuffer(com.jme3.texture.Image.Format) in com.jme3.texture.FrameBuffer has been deprecated
			frameBuffer.setColorBuffer(Image.Format.RGBA8);
			           ^
/home/sgold/Git/jmonkeyengine/jme3-desktop/src/main/java/com/jme3/system/AWTComponentRenderer.java:189: warning: [deprecation] setDepthBuffer(com.jme3.texture.Image.Format) in com.jme3.texture.FrameBuffer has been deprecated
      this.frameBuffer.setDepthBuffer(Image.Format.Depth);
                      ^
/home/sgold/Git/jmonkeyengine/jme3-desktop/src/main/java/com/jme3/system/AWTComponentRenderer.java:190: warning: [deprecation] setColorBuffer(com.jme3.texture.Image.Format) in com.jme3.texture.FrameBuffer has been deprecated
      this.frameBuffer.setColorBuffer(Image.Format.RGBA8);
                      ^
/home/sgold/Git/jmonkeyengine/jme3-desktop/src/main/java/com/jme3/system/awt/AwtPanel.java:245: warning: [deprecation] setDepthBuffer(com.jme3.texture.Image.Format) in com.jme3.texture.FrameBuffer has been deprecated
        fb.setDepthBuffer(Format.Depth);
          ^
/home/sgold/Git/jmonkeyengine/jme3-desktop/src/main/java/com/jme3/system/awt/AwtPanel.java:246: warning: [deprecation] setColorBuffer(com.jme3.texture.Image.Format) in com.jme3.texture.FrameBuffer has been deprecated
        fb.setColorBuffer(Format.RGB8);
          ^
6 warnings

[bob0bob]

I submitted a pull request for updating all these calls.