예제 #1
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  /**
   * Part of the deferred lighting technique, this method applies lighting through screen-space
   * calculations to the previously flat-lit world rendering stored in the primary FBO. // TODO:
   * rename sceneOpaque* FBOs to primaryA/B
   *
   * <p>See http://en.wikipedia.org/wiki/Deferred_shading as a starting point.
   */
  public void applyLightBufferPass() {

    int texId = 0;

    GL13.glActiveTexture(GL13.GL_TEXTURE0 + texId);
    buffers.sceneOpaque.bindTexture();
    materials.lightBufferPass.setInt("texSceneOpaque", texId++);

    GL13.glActiveTexture(GL13.GL_TEXTURE0 + texId);
    buffers.sceneOpaque.bindDepthTexture();
    materials.lightBufferPass.setInt("texSceneOpaqueDepth", texId++);

    GL13.glActiveTexture(GL13.GL_TEXTURE0 + texId);
    buffers.sceneOpaque.bindNormalsTexture();
    materials.lightBufferPass.setInt("texSceneOpaqueNormals", texId++);

    GL13.glActiveTexture(GL13.GL_TEXTURE0 + texId);
    buffers.sceneOpaque.bindLightBufferTexture();
    materials.lightBufferPass.setInt("texSceneOpaqueLightBuffer", texId, true);

    buffers.sceneOpaquePingPong.bind();
    graphicState.setRenderBufferMask(buffers.sceneOpaquePingPong, true, true, true);

    setViewportTo(buffers.sceneOpaquePingPong.dimensions());
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // TODO: verify this is necessary

    renderFullscreenQuad();

    graphicState.bindDisplay(); // TODO: verify this is necessary
    setViewportToWholeDisplay(); // TODO: verify this is necessary

    renderingProcess.swapSceneOpaqueFBOs();
    buffers.sceneOpaque.attachDepthBufferTo(buffers.sceneReflectiveRefractive);
  }
예제 #2
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  // TODO: have a flag to invert the eyes (Cross Eye 3D), as mentioned in
  // TODO: http://forum.terasology.org/threads/happy-coding.1018/#post-11264
  private void renderFinalStereoImage(WorldRenderer.WorldRenderingStage renderingStage) {
    if (renderingProcess.isNotTakingScreenshot()) {
      buffers.sceneFinal.bind();
    } else {
      buffers.ocUndistorted.bind();
    }

    switch (renderingStage) {
      case LEFT_EYE:
        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
        renderFullscreenQuad(0, 0, fullScale.width() / 2, fullScale.height());

        break;

      case RIGHT_EYE:
        // no glClear() here: the rendering for the second eye is being added besides the first
        // eye's rendering
        renderFullscreenQuad(
            fullScale.width() / 2 + 1, 0, fullScale.width() / 2, fullScale.height());

        if (renderingProcess.isNotTakingScreenshot()) {
          graphicState.bindDisplay();
          applyOculusDistortion(buffers.sceneFinal);

        } else {
          buffers.sceneFinal.bind();
          applyOculusDistortion(buffers.ocUndistorted);
          renderingProcess.saveScreenshot();
          // when saving a screenshot we do NOT send the image to screen,
          // to avoid the brief flicker of the screenshot for one frame
        }

        break;
    }
  }
예제 #3
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  private void downsampleSceneInto1x1pixelsBuffer() {
    PerformanceMonitor.startActivity("Rendering eye adaption");

    materials.downSampler.enable();
    FBO downSampledFBO;

    for (int i = 4; i >= 0; i--) {

      downSampledFBO = buffers.downSampledScene[i];
      materials.downSampler.setFloat("size", downSampledFBO.width(), true);

      downSampledFBO.bind();

      setViewportTo(downSampledFBO.dimensions());
      glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

      // TODO: move this block above, for consistency
      if (i == 4) {
        buffers.initialPost.bindTexture();
      } else {
        buffers.downSampledScene[i + 1].bindTexture();
      }

      renderFullscreenQuad();

      graphicState.bindDisplay(); // TODO: probably can be removed or moved out of the loop
    }

    setViewportToWholeDisplay(); // TODO: verify this is necessary

    PerformanceMonitor.endActivity();
  }
예제 #4
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  private void generateSkyBand(FBO skyBand) {
    materials.blur.enable();
    materials.blur.setFloat("radius", 8.0f, true);
    materials.blur.setFloat2("texelSize", 1.0f / skyBand.width(), 1.0f / skyBand.height(), true);

    if (skyBand == buffers.sceneSkyBand0) {
      buffers.sceneOpaque.bindTexture();
    } else {
      buffers.sceneSkyBand0.bindTexture();
    }

    skyBand.bind();
    graphicState.setRenderBufferMask(skyBand, true, false, false);

    setViewportTo(skyBand.dimensions());
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // TODO: verify this is necessary

    renderFullscreenQuad();

    graphicState.bindDisplay(); // TODO: verify this is necessary
    setViewportToWholeDisplay(); // TODO: verify this is necessary
  }
예제 #5
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  /**
   * Enabled by the "outline" option in the render settings, this method generates landscape/objects
   * outlines and stores them into a buffer in its own FBO. The stored image is eventually combined
   * with others.
   *
   * <p>The outlines visually separate a given object (including the landscape) or parts of it from
   * sufficiently distant objects it overlaps. It is effectively a depth-based edge detection
   * technique and internally uses a Sobel operator.
   *
   * <p>For further information see: http://en.wikipedia.org/wiki/Sobel_operator
   */
  public void generateOutline() {
    if (renderingConfig.isOutline()) {
      materials.outline.enable();

      // TODO: verify inputs: shouldn't there be a texture binding here?
      buffers.outline.bind();

      setViewportTo(buffers.outline.dimensions());
      glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // TODO: verify this is necessary

      renderFullscreenQuad();

      graphicState.bindDisplay(); // TODO: verify this is necessary
      setViewportToWholeDisplay(); // TODO: verify this is necessary
    }
  }
예제 #6
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  // TODO: Tone mapping usually maps colors from HDR to a more limited range,
  // TODO: i.e. the 24 bit a monitor can display. This method however maps from an HDR buffer
  // TODO: to another HDR buffer and this puzzles me. Will need to dig deep in the shader to
  // TODO: see what it does.
  public void generateToneMappedScene() {
    PerformanceMonitor.startActivity("Tone mapping");

    materials.toneMapping.enable();

    buffers.sceneToneMapped.bind();

    setViewportTo(buffers.sceneToneMapped.dimensions());
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // TODO: verify this is necessary

    renderFullscreenQuad();

    graphicState.bindDisplay(); // TODO: verify this is necessary
    setViewportToWholeDisplay(); // TODO: verify this is necessary

    PerformanceMonitor.endActivity();
  }
예제 #7
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  /**
   * Adds chromatic aberration, light shafts, 1/8th resolution bloom, vignette onto the rendering
   * achieved so far. Stores the result into its own buffer to be used at a later stage.
   */
  public void initialPostProcessing() {
    PerformanceMonitor.startActivity("Initial Post-Processing");
    materials.initialPost.enable();

    // TODO: verify what the inputs are
    buffers.initialPost.bind(); // TODO: see if we could write this straight into sceneOpaque

    setViewportTo(buffers.initialPost.dimensions());
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // TODO: verify this is necessary

    renderFullscreenQuad();

    graphicState.bindDisplay(); // TODO: verify this is necessary
    setViewportToWholeDisplay(); // TODO: verify this is necessary

    PerformanceMonitor.endActivity();
  }
예제 #8
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  /**
   * Adds outlines and ambient occlusion to the rendering obtained so far stored in the primary FBO.
   * Stores the resulting output back into the primary buffer.
   */
  public void generatePrePostComposite() {
    materials.prePostComposite.enable();

    // TODO: verify if there should be bound textures here.
    buffers.sceneOpaquePingPong.bind();

    setViewportTo(buffers.sceneOpaquePingPong.dimensions());
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // TODO: verify this is necessary

    renderFullscreenQuad();

    graphicState.bindDisplay(); // TODO: verify this is necessary
    setViewportToWholeDisplay(); // TODO: verify this is necessary

    renderingProcess.swapSceneOpaqueFBOs();
    buffers.sceneOpaque.attachDepthBufferTo(buffers.sceneReflectiveRefractive);
  }
예제 #9
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  private void generateBlurredSSAO() {
    materials.ssaoBlurred.enable();
    materials.ssaoBlurred.setFloat2(
        "texelSize", 1.0f / buffers.ssaoBlurred.width(), 1.0f / buffers.ssaoBlurred.height(), true);

    buffers.ssao.bindTexture(); // TODO: verify this is the only input

    buffers.ssaoBlurred.bind();

    setViewportTo(buffers.ssaoBlurred.dimensions());
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // TODO: verify this is necessary

    renderFullscreenQuad();

    graphicState.bindDisplay(); // TODO: verify this is necessary
    setViewportToWholeDisplay(); // TODO: verify this is necessary
  }
예제 #10
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  private void generateSSAO() {
    materials.ssao.enable();
    materials.ssao.setFloat2(
        "texelSize", 1.0f / buffers.ssao.width(), 1.0f / buffers.ssao.height(), true);
    materials.ssao.setFloat2("noiseTexelSize", 1.0f / 4.0f, 1.0f / 4.0f, true);

    // TODO: verify if some textures should be bound here
    buffers.ssao.bind();

    setViewportTo(buffers.ssao.dimensions());
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // TODO: verify this is necessary

    renderFullscreenQuad();

    graphicState.bindDisplay(); // TODO: verify this is necessary
    setViewportToWholeDisplay(); // TODO: verify this is necessary
  }
예제 #11
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  /** Generates light shafts and stores them in their own FBO. */
  public void generateLightShafts() {
    if (renderingConfig.isLightShafts()) {
      PerformanceMonitor.startActivity("Rendering light shafts");

      materials.lightShafts.enable();
      // TODO: verify what the inputs are
      buffers.lightShafts.bind();

      setViewportTo(buffers.lightShafts.dimensions());
      glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // TODO: verify this is necessary

      renderFullscreenQuad();

      graphicState.bindDisplay(); // TODO: verify this is necessary
      setViewportToWholeDisplay(); // TODO: verify this is necessary

      PerformanceMonitor.endActivity();
    }
  }
예제 #12
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  private void renderFinalMonoImage() {

    if (renderingProcess.isNotTakingScreenshot()) {
      graphicState.bindDisplay();
      renderFullscreenQuad(0, 0, Display.getWidth(), Display.getHeight());

    } else {
      buffers.sceneFinal.bind();

      glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
      renderFullscreenQuad(0, 0, fullScale.width(), fullScale.height());

      renderingProcess.saveScreenshot();
      // when saving a screenshot we do not send the image to screen,
      // to avoid the brief one-frame flicker of the screenshot

      // This is needed to avoid the UI (which is not currently saved within the
      // screenshot) being rendered for one frame with buffers.sceneFinal size.
      setViewportToWholeDisplay();
    }
  }
예제 #13
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  private void generateBlur(FBO sceneBlur) {
    materials.blur.enable();
    materials.blur.setFloat(
        "radius", overallBlurRadiusFactor * renderingConfig.getBlurRadius(), true);
    materials.blur.setFloat2(
        "texelSize", 1.0f / sceneBlur.width(), 1.0f / sceneBlur.height(), true);

    if (sceneBlur == buffers.sceneBlur0) {
      buffers.sceneToneMapped.bindTexture();
    } else {
      buffers.sceneBlur0.bindTexture();
    }

    sceneBlur.bind();

    setViewportTo(sceneBlur.dimensions());
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    renderFullscreenQuad();

    graphicState.bindDisplay();
    setViewportToWholeDisplay();
  }
예제 #14
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  private void generateHighPass() {
    materials.highPass.enable();
    materials.highPass.setFloat("highPassThreshold", bloomHighPassThreshold, true);

    int texId = 0;
    GL13.glActiveTexture(GL13.GL_TEXTURE0 + texId);
    buffers.sceneOpaque.bindTexture();
    materials.highPass.setInt("tex", texId);

    //        GL13.glActiveTexture(GL13.GL_TEXTURE0 + texId);
    //        buffers.sceneOpaque.bindDepthTexture();
    //        program.setInt("texDepth", texId++);

    buffers.sceneHighPass.bind();

    setViewportTo(buffers.sceneHighPass.dimensions());
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    renderFullscreenQuad();

    graphicState.bindDisplay();
    setViewportToWholeDisplay();
  }
예제 #15
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  private void generateBloom(FBO sceneBloom) {
    materials.blur.enable();
    materials.blur.setFloat("radius", bloomBlurRadius, true);
    materials.blur.setFloat2(
        "texelSize", 1.0f / sceneBloom.width(), 1.0f / sceneBloom.height(), true);

    if (sceneBloom == buffers.sceneBloom0) {
      buffers.sceneHighPass.bindTexture();
    } else if (sceneBloom == buffers.sceneBloom1) {
      buffers.sceneBloom0.bindTexture();
    } else {
      buffers.sceneBloom1.bindTexture();
    }

    sceneBloom.bind();

    setViewportTo(sceneBloom.dimensions());
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // TODO: verify this is necessary

    renderFullscreenQuad();

    graphicState.bindDisplay(); // TODO: verify this is necessary
    setViewportToWholeDisplay(); // TODO: verify this is necessary
  }