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Fix for incorrect viewport sizes

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Fixed an issue where viewport sizes could be a pixel smaller in either
dimension in certain situations.  This caused gaps to appear between
adjacent viewports at certain resolutions.
Forum Reference:

http://hub.jmonkeyengine.org/t/fix-for-rounding-errors-in-viewport-dimensions/31751
This commit is contained in:
Nicholas Hansen 2015-02-27 12:25:04 +10:00
parent 01f673c826
commit 6bb5fcfb04
1 changed files with 2 additions and 2 deletions
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4
jme3-core/src/main/java/com/jme3/renderer/RenderManager.java
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@ -865,8 +865,8 @@ public class RenderManager {
if (cam != prevCam || cam.isViewportChanged()) {
viewX = (int) (cam.getViewPortLeft() * cam.getWidth());
viewY = (int) (cam.getViewPortBottom() * cam.getHeight());
viewWidth = (int) ((cam.getViewPortRight() - cam.getViewPortLeft()) * cam.getWidth());
viewHeight = (int) ((cam.getViewPortTop() - cam.getViewPortBottom()) * cam.getHeight());
viewWidth = ((int)(cam.getViewPortRight() * cam.getWidth())) - ((int)(cam.getViewPortLeft() * cam.getWidth()));
viewHeight = ((int)(cam.getViewPortTop() * cam.getHeight())) - ((int)(cam.getViewPortBottom() * cam.getHeight()));
uniformBindingManager.setViewPort(viewX, viewY, viewWidth, viewHeight);
renderer.setViewPort(viewX, viewY, viewWidth, viewHeight);
renderer.setClipRect(viewX, viewY, viewWidth, viewHeight);