private void invalidateRTT() {
if (rtt != null) {
// TODO as possibile optimization by keeping old rtt if SubScene
// becomes smaller
rtt.dispose();
rtt = null;
}
}
private void applyBackgroundFillPaint(Graphics g) {
isOpaque = true;
if (fillPaint != null) {
if (fillPaint instanceof Color) {
Color fillColor = (Color) fillPaint;
isOpaque = (fillColor.getAlpha() >= 1.0);
g.clear(fillColor);
} else {
if (!fillPaint.isOpaque()) {
g.clear();
isOpaque = false;
}
g.setPaint(fillPaint);
g.fillRect(0, 0, rtt.getContentWidth(), rtt.getContentHeight());
}
} else {
isOpaque = false;
// Default is transparent
g.clear();
}
}
@Override
protected void renderContent(Graphics g) {
if (rtWidth <= 0.0 || rtHeight <= 0.0) {
return;
}
if (rtt != null) {
rtt.lock();
if (rtt.isSurfaceLost()) {
renderSG = true;
rtt = null;
}
}
if (renderSG || !root.isClean()) {
if (rtt == null) {
ResourceFactory factory = g.getResourceFactory();
rtt =
factory.createRTTexture(
rtWidth, rtHeight, Texture.WrapMode.CLAMP_NOT_NEEDED, antiAliasing);
}
Graphics rttGraphics = rtt.createGraphics();
rttGraphics.setLights(lights);
rttGraphics.setDepthBuffer(depthBuffer);
if (camera != null) {
rttGraphics.setCamera(camera);
}
applyBackgroundFillPaint(rttGraphics);
rttGraphics.setTransform(BaseTransform.IDENTITY_TRANSFORM);
root.render(rttGraphics);
root.clearDirtyTree();
renderSG = false;
}
if (antiAliasing) {
int x0 = rtt.getContentX();
int y0 = rtt.getContentY();
int x1 = x0 + rtt.getContentWidth();
int y1 = y0 + rtt.getContentHeight();
if ((isOpaque || g.getCompositeMode() == CompositeMode.SRC)
&& g.getTransformNoClone().isTranslateOrIdentity()
&& !g.isDepthTest()) {
// Round translation to closest pixel
int tx = (int) (g.getTransformNoClone().getMxt() + 0.5);
int ty = (int) (g.getTransformNoClone().getMyt() + 0.5);
// Blit SubScene directly to scene surface
// Intersect src and dst boundaries.
// On D3D if blit is called outside boundary it will draw
// nothing. Using intersect prevents that from occurring.
int dstX0 = x0 + tx;
int dstY0 = y0 + ty;
int dstX1 = x1 + tx;
int dstY1 = y1 + ty;
int dstW = g.getRenderTarget().getContentWidth();
int dstH = g.getRenderTarget().getContentHeight();
int dX = dstX1 > dstW ? dstW - dstX1 : 0;
int dY = dstY1 > dstH ? dstH - dstY1 : 0;
g.blit(rtt, null, x0, y0, x1 + dX, y1 + dY, dstX0, dstY0, dstX1 + dX, dstY1 + dY);
} else {
if (resolveRTT != null
&& (resolveRTT.getContentWidth() < rtt.getContentWidth()
|| (resolveRTT.getContentHeight() < rtt.getContentHeight()))) {
// If msaa rtt is larger than resolve buffer, then dispose
resolveRTT.dispose();
resolveRTT = null;
}
if (resolveRTT == null || resolveRTT.isSurfaceLost()) {
resolveRTT =
g.getResourceFactory()
.createRTTexture(rtWidth, rtHeight, Texture.WrapMode.CLAMP_NOT_NEEDED, false);
} else {
resolveRTT.lock();
}
g.blit(rtt, resolveRTT, x0, y0, x1, y1, x0, y0, x1, y1);
g.drawTexture(
resolveRTT,
rtt.getContentX(),
rtt.getContentY(),
rtt.getContentWidth(),
rtt.getContentHeight());
resolveRTT.unlock();
}
} else {
g.drawTexture(
rtt, rtt.getContentX(), rtt.getContentY(), rtt.getContentWidth(), rtt.getContentHeight());
}
rtt.unlock();
}