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don't draw the back texture onto the front texture when background is used

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codeanticode
2012-11-24 17:12:13 +00:00
parent 850e9778d1
commit 844807bb05
2 changed files with 18 additions and 19 deletions
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4
core/src/processing/opengl/PGL.java
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@@ -859,10 +859,10 @@ public class PGL {
protected void endOnscreenDraw(boolean clear0) {
if (isFBOBacked() && capabilities.getNumSamples() == 0) {
if (!clear0 && isFBOBacked() && capabilities.getNumSamples() == 0) {
// Draw the back texture into the front texture, which will be used as
// front texture in the next frame. Otherwise flickering will occur if
// the sketch uses "incremental drawing" (no background()).
// the sketch uses "incremental drawing" (background() not called).
frontFBO.bind(gl);
gl.glDisable(GL.GL_BLEND);
drawTexture(GL.GL_TEXTURE_2D, backTex.getName(),