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Use framebuffer object as fallback for off-screen rendering

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This commit is contained in:
wmayer
2013-06-19 17:42:28 +02:00
parent 371340221d
commit 561c117f2d
8 changed files with 111 additions and 34 deletions
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13
src/Gui/View3DInventorViewer.cpp
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@@ -430,6 +430,11 @@ void View3DInventorViewer::setGradientBackground(bool on)
backgroundroot->removeChild(pcBackGround);
}
bool View3DInventorViewer::hasGradientBackground() const
{
return (backgroundroot->findChild(pcBackGround) != -1);
}
void View3DInventorViewer::setGradientBackgroundColor(const SbColor& fromColor,
const SbColor& toColor)
{
@@ -577,7 +582,6 @@ void View3DInventorViewer::savePicture(const char* filename, int w, int h,
throw Base::Exception("Offscreen rendering failed");
// set matrix for miba
renderer._Matrix = camera->getViewVolume().getMatrix();
//bool ok = renderer.writeToImageFile(filename, filetypeextension);
renderer.writeToImageFile(filename, comment);
root->unref();
}
@@ -941,6 +945,8 @@ void View3DInventorViewer::renderToFramebuffer(QGLFramebufferObject* fbo)
{
this->glLockNormal();
fbo->bind();
int width = fbo->size().width();
int height = fbo->size().height();
glDisable(GL_TEXTURE_2D);
glEnable(GL_LIGHTING);
@@ -948,12 +954,13 @@ void View3DInventorViewer::renderToFramebuffer(QGLFramebufferObject* fbo)
glEnable(GL_LINE_SMOOTH);
const SbColor col = this->getBackgroundColor();
glClearColor(col[0], col[1], col[2], 0.0f);
glViewport(0, 0, width, height);
glClearColor(col[0], col[1], col[2], 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glDepthRange(0.1,1.0);
SoGLRenderAction gl(SbViewportRegion(fbo->size().width(),fbo->size().height()));
SoGLRenderAction gl(SbViewportRegion(width, height));
gl.apply(this->backgroundroot);
gl.apply(this->getSceneManager()->getSceneGraph());
gl.apply(this->foregroundroot);