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FilterPostProcessor now correctly clears the color of the previous render when rendering a new filter, except when in multiviewports.

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This fixes the color bleeding when enabling AlphaToCoverage. (see post http://jmonkeyengine.org/groups/graphics/forum/topic/multi-sampling-issues/#post-183919)



git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9586 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
This commit is contained in:
rem..om 2012-07-25 16:28:52 +00:00
parent ce124e7729
commit ef6644b58f
1 changed files with 22 additions and 11 deletions
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13
engine/src/core/com/jme3/post/FilterPostProcessor.java
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@ -77,6 +77,7 @@ public class FilterPostProcessor implements SceneProcessor, Savable {
private int originalHeight; private int originalHeight;
private int lastFilterIndex = -1; private int lastFilterIndex = -1;
private boolean cameraInit = false; private boolean cameraInit = false;
private boolean clearColor= true;
/** /**
* Create a FilterProcessor * Create a FilterProcessor
@ -196,7 +197,7 @@ public class FilterPostProcessor implements SceneProcessor, Savable {
renderManager.setCamera(filterCam, true); renderManager.setCamera(filterCam, true);
r.setFrameBuffer(buff); r.setFrameBuffer(buff);
r.clearBuffers(false, true, true); r.clearBuffers(clearColor, true, true);
renderManager.renderGeometry(fsQuad); renderManager.renderGeometry(fsQuad);
} }
@ -392,6 +393,16 @@ public class FilterPostProcessor implements SceneProcessor, Savable {
height = (int) (h * (Math.abs(bottom - top))); height = (int) (h * (Math.abs(bottom - top)));
width = Math.max(1, width); width = Math.max(1, width);
height = Math.max(1, height); height = Math.max(1, height);
//Testing original versus actual viewport dimension.
//If they are different we are in a multiview situation and color from other view port must not be cleared.
//However, not clearing the color can cause issues when AlphaToCoverage is active on the renderer.
if(originalWidth!=width || originalHeight!=height){
clearColor = false;
}else{
clearColor = true;
}
cam.resize(width, height, false); cam.resize(width, height, false);
cameraInit = true; cameraInit = true;
computeDepth = false; computeDepth = false;