def createFramebufferObject(self, size):
fmt = QOpenGLFramebufferObjectFormat()
fmt.setAttachment(QOpenGLFramebufferObject.CombinedDepthStencil)
self._fbo = QOpenGLFramebufferObject(size, fmt)
# Clear any previous OpenGL error. This workarounds an issue on macOS
# where the current context contains errors (due to Qt OpenGL
# implementation). These errors need to be cleared before calling the
# node.gl API otherwise node.gl will in turn error out.
gl_funcs = QOpenGLFunctions(QOpenGLContext.currentContext())
gl_funcs.glGetError()
if not self._context:
self._context = ngl.Context()
config_gl = ngl.ConfigGL(external=True,
external_framebuffer=self._fbo.handle())
self._context.configure(
backend=ngl.BACKEND_OPENGL,
width=self._fbo.width(),
height=self._fbo.height(),
backend_config=config_gl,
)
else:
self._context.gl_wrap_framebuffer(self._fbo.handle())
return self._fbo
def __init__(self, parent=None):
QOpenGLWidget.__init__(self, parent)
QOpenGLFunctions.__init__(self)
self.core = "--coreprofile" in QCoreApplication.arguments()
self.xRot = 0
self.yRot = 0
self.zRot = 0
self.lastPos = 0
self.logo = Logo()
self.vao = QOpenGLVertexArrayObject()
self.logoVbo = QOpenGLBuffer()
self.program = QOpenGLShaderProgram()
self.projMatrixLoc = 0
self.mvMatrixLoc = 0
self.normalMatrixLoc = 0
self.lightPosLoc = 0
self.proj = QMatrix4x4()
self.camera = QMatrix4x4()
self.world = QMatrix4x4()
self.transparent = "--transparent" in QCoreApplication.arguments()
if self.transparent:
fmt = self.format()
fmt.setAlphaBufferSize(8)
self.setFormat(fmt)
def prepareDraw(self, context: QOpenGLFunctions):
'''
jscut work with the pathBuffer directly
... here we work with the vertexData List
so we do not use the "self.m_gcodedrawer.pathBufferContent",
but rather the self.m_gcodedrawer.m_triangles list
'''
self.m_shader_program.bind()
context.glUniform1f(
self.m_shader_program.uniformLocation("resolution"),
self.m_gcodedrawer.resolution)
context.glUniform1f(self.m_shader_program.uniformLocation("pathScale"),
self.m_gcodedrawer.pathScale)
context.glUniform1f(self.m_shader_program.uniformLocation("pathMinZ"),
self.m_gcodedrawer.pathMinZ)
context.glUniform1f(self.m_shader_program.uniformLocation("pathTopZ"),
self.m_gcodedrawer.pathTopZ)
#context.glUniformMatrix4fv(self.m_shader_program.uniformLocation("rotate"), False, self.rotate)
#context.glUniform1i(self.m_shader_program.uniformLocation("heightMap", 0)
#context.glUniform1f(self.m_shader_program.uniformLocation("resolution"), self.m_gcodedrawer.resolution)
#context.glUniform1f(self.m_shader_program.uniformLocation("pathScale"), self.m_gcodedrawer.pathScale)
#context.glUniform1f(self.m_shader_program.uniformLocation("pathMinZ"), self.m_gcodedrawer.pathMinZ)
#context.glUniform1f(self.m_shader_program.uniformLocation("pathTopZ"), self.m_gcodedrawer.pathTopZ)
self.m_shader_program.setUniformValue("rotate", self.rotate)
self.m_shader_program.setUniformValue("heightMap", 0)
def __init__(self):
'''
'''
QOpenGLFunctions.__init__(self)
self.m_needsUpdateGeometry = True
self.m_visible = True
self.m_lineWidth = 1.0
self.m_pointSize = 1.0
self.m_texture: QOpenGLTexture = None
self.m_lines: List[VertexData] = []
self.m_points: List[VertexData] = []
self.m_triangles: List[VertexData] = []
self.m_vbo = QOpenGLBuffer(QOpenGLBuffer.VertexBuffer)
self.m_vao = QOpenGLVertexArrayObject()
def __init__(self, parent, tag=None):
QtOpenGLWidgets.QOpenGLWidget.__init__(self, parent)
GL.__init__(self)
self.__data = np.array([
-1.0, -1.0, 0.0, 0.0, 0.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 0.0,
1.0, 1.0, 1.0, -1.0, 0.0, 1.0, 0.0
],
dtype=ctypes.c_float)
self.tag = tag
self.__mutex = threading.Lock()
self._is_video = False
self._is_video_playing = False
self.__texture_generator = None
self.__player = None
self.__uniform_tex_bias = -1
def prepareDraw(self, context: QOpenGLFunctions):
self.m_shader_program.bind()
context.glUniform1f(self.m_shader_program.uniformLocation("resolution"), self.resolution)
context.glUniform1f(self.m_shader_program.uniformLocation("cutterDia"), self.cutterDia)
#context.glUniform2f(self.m_shader_program.uniformLocation("pathXYOffset"), pathXOffset, pathYOffset)
context.glUniform1f(self.m_shader_program.uniformLocation("pathMinZ"), self.pathMinZ)
##context.glUniform1f(self.m_shader_program.uniformLocation("pathTopZ"), pathTopZ)
context.glUniform1f(self.m_shader_program.uniformLocation("stopAtTime"), self.stopAtTime)
#self.m_shader_program.setUniformValue("resolution", self.resolution)
#self.m_shader_program.setUniformValue("cutterDia", self.cutterDia) # error: float! ???
self.m_shader_program.setUniformValue("pathXYOffset", self.pathXOffset, self.pathYOffset)