Android Open Source - android_shaderize Renderer Fxaa

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License

The source code is released under:

Apache License

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Java Source Code

package fi.harism.shaderize;
/*from   ww w  .  j ava2s .c o  m*/
import android.content.Context;
import android.content.SharedPreferences;
import android.opengl.GLES20;
import android.view.ViewGroup;

public class RendererFxaa extends Renderer implements PrefsSeekBar.Observer {

  private Context mContext;
  private final ObjFbo mFboFull = new ObjFbo();
  private final ObjShader mShaderCube = new ObjShader();
  private final ObjShader mShaderPass1 = new ObjShader();

  @Override
  public void onDestroy() {
    mContext = null;
    mShaderCube.deleteProgram();
    mShaderPass1.deleteProgram();
    mFboFull.reset();
  }

  @Override
  public void onDrawFrame(ObjFbo fbo, ObjScene scene) {
    mFboFull.bind();
    mFboFull.bindTexture(0);
    Utils.renderScene(scene, mShaderCube);

    final float N = 0.5f;
    final float rcpOptW = N / fbo.getWidth();
    final float rcpOptH = N / fbo.getHeight();

    final float rcpOpt2W = 2.0f / fbo.getWidth();
    final float rcpOpt2H = 2.0f / fbo.getHeight();

    fbo.bind();
    fbo.bindTexture(0);

    mShaderPass1.useProgram();
    GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mFboFull.getTexture(0));
    GLES20.glUniform4f(mShaderPass1.getHandle("uFxaaConsoleRcpFrameOpt"),
        -rcpOptW, -rcpOptH, rcpOptW, rcpOptH);
    GLES20.glUniform4f(mShaderPass1.getHandle("uFxaaConsoleRcpFrameOpt2"),
        -rcpOpt2W, -rcpOpt2H, rcpOpt2W, rcpOpt2H);
    GLES20.glUniform4f(mShaderPass1.getHandle("uFrameSize"),
        mFboFull.getWidth(), mFboFull.getHeight(),
        1f / mFboFull.getWidth(), 1f / mFboFull.getHeight());
    Utils.renderQuad(mShaderPass1.getHandle("aPosition"));
  }

  @Override
  public void onSeekBarChanged(int key, float value) {
  }

  @Override
  public void onSurfaceChanged(int width, int height) throws Exception {
    mFboFull.init(width, height, 1, true, false);
  }

  @Override
  public void onSurfaceCreated() throws Exception {
    String vertexSource, fragmentSource;
    vertexSource = Utils.loadRawResource(mContext, R.raw.flat_cube_vs);
    fragmentSource = Utils.loadRawResource(mContext, R.raw.flat_cube_fs);
    mShaderCube.setProgram(vertexSource, fragmentSource);
    vertexSource = Utils.loadRawResource(mContext, R.raw.fxaa_pass1_vs);
    fragmentSource = Utils.loadRawResource(mContext, R.raw.fxaa_pass1_fs);
    mShaderPass1.setProgram(vertexSource, fragmentSource);
  }

  @Override
  public void setContext(Context context) {
    mContext = context;
  }

  @Override
  public void setPreferences(SharedPreferences prefs, ViewGroup parent) {
    /*
     * PrefsSeekBar seekBar = new PrefsSeekBar(mContext, parent);
     * seekBar.setText(R.string.prefs_flat_saturation);
     * seekBar.setPrefs(prefs, R.string.prefs_key_flat_saturation, this);
     * parent.addView(seekBar.getView());
     */
  }

}

Java Source Code List