def createFramebufferObject(self, size):
qDebug('ObjectRenderer: Created OpenGLFBO')
fmt = QOpenGLFramebufferObjectFormat()
fmt.setAttachment(QOpenGLFramebufferObject.Depth)
fbo = QOpenGLFramebufferObject(size, fmt)
fbo.release()
self.__fbo = fbo
return self.__fbo
def _render(self):
"""Render QML component to a texture."""
if not self.initialized or self._framebuffers is None or not self.ctx.makeCurrent():
return
self._control.render()
self._window.resetOpenGLState()
QOpenGLFramebufferObject.bindDefault()
self.ctx.glContext.functions().glFlush()
current_fb, next_fb = self._framebuffers
self._controller.framebuffer_rendered(current_fb)
self._framebuffers = next_fb, current_fb
self._window.setRenderTarget(next_fb.id, next_fb.size)
def createFramebufferObject(self, size: QSize) -> QOpenGLFramebufferObject:
print("createFramebufferobj")
gl_format = QOpenGLFramebufferObjectFormat()
gl_format.setAttachment(QOpenGLFramebufferObject.Depth)
frame_buffer_object = QOpenGLFramebufferObject(size, gl_format)
self.__fbo = frame_buffer_object
return self.__fbo
def _render(self):
"""Render QML component to a texture."""
if not self.initialized or self._framebuffer is None:
return
surface = self._surface
if not self.context.makeCurrent(surface):
return
self._control.render()
self._window.resetOpenGLState()
QOpenGLFramebufferObject.bindDefault()
self.context.functions().glFlush()
textureID = self._framebuffer.texture()
self.rendered.emit(textureID)
def createFramebufferObject(self, size: QSize) -> QOpenGLFramebufferObject:
# qDebug("Creating FrameBufferObject")
format = QOpenGLFramebufferObjectFormat()
format.setAttachment(
QOpenGLFramebufferObject.Depth
) # or QOpenGLFramebufferObject.CombinedDepthStencil
self.__openGLFbo = QOpenGLFramebufferObject(size, format)
# self.__openGLFbo.release()
return self.__openGLFbo
def exportImage(self, target):
if not self.active:
return
fbo = QOpenGLFramebufferObject(self.info.width, self.info.height)
fbo.setAttachment(QOpenGLFramebufferObject.Depth)
if not fbo.bind():
raise Exception("Failed to bind framebuffer")
try:
depth = target.render(self)
fbo.toImage().save(str(self.info.path / (target.filename + ".png")))
cv2.imwrite(
str(self.info.path / (target.filename + "-depth.png")),
(depth * 65535.0).astype(np.uint16)
)
finally:
fbo.release()
def createFramebufferObject(self, size: QSize) -> QOpenGLFramebufferObject:
qDebug('RendererHelper::createFramebufferObject()')
macSize = QSize(size.width() / 2, size.height() / 2)
format = QOpenGLFramebufferObjectFormat()
format.setAttachment(QOpenGLFramebufferObject.Depth)
# ifdef Q_OS_MAC
# std::unique_ptr<QOpenGLFramebufferObject> framebufferObject(new QOpenGLFramebufferObject(macSize, format))
# else
framebufferObject = QOpenGLFramebufferObject(size, format)
# endif
self.__m_vtkRenderWindow.SetBackLeftBuffer(GL.GL_COLOR_ATTACHMENT0)
self.__m_vtkRenderWindow.SetFrontLeftBuffer(GL.GL_COLOR_ATTACHMENT0)
self.__m_vtkRenderWindow.SetBackBuffer(GL.GL_COLOR_ATTACHMENT0)
self.__m_vtkRenderWindow.SetFrontBuffer(GL.GL_COLOR_ATTACHMENT0)
self.__m_vtkRenderWindow.SetSize(framebufferObject.size().width(),
framebufferObject.size().height())
self.__m_vtkRenderWindow.SetOffScreenRendering(True)
self.__m_vtkRenderWindow.Modified()
framebufferObject.release()
return framebufferObject
def createFramebufferObject(self, size: QSize) -> QOpenGLFramebufferObject:
format = QOpenGLFramebufferObjectFormat()
format.setAttachment(QOpenGLFramebufferObject.Depth)
framebufferObject = QOpenGLFramebufferObject(size, format)
framebufferObject.release()
return framebufferObject
def _createFrameBuffer(self):
"""Create framebuffer for quick window."""
print(f'QmlOffscreenRenderer._createFrameBufferObject: {self.size}')
self._framebuffer = fbo = QOpenGLFramebufferObject(
self.size, QOpenGLFramebufferObject.CombinedDepthStencil)
self._window.setRenderTarget(fbo)