// 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; } }
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(); } }