def initializeGL(self):
version_profile = QOpenGLVersionProfile()
version_profile.setVersion(2, 0)
self.gl = self.context().versionFunctions(version_profile)
self.gl.initializeOpenGLFunctions()
self.makeObject()
self.gl.glEnable(self.gl.GL_DEPTH_TEST)
self.gl.glEnable(self.gl.GL_CULL_FACE)
vshader = QOpenGLShader(QOpenGLShader.Vertex, self)
vshader.compileSourceCode(self.vsrc)
fshader = QOpenGLShader(QOpenGLShader.Fragment, self)
fshader.compileSourceCode(self.fsrc)
self.program = QOpenGLShaderProgram()
self.program.addShader(vshader)
self.program.addShader(fshader)
self.program.bindAttributeLocation("vertex",
self.PROGRAM_VERTEX_ATTRIBUTE)
self.program.bindAttributeLocation("texCoord",
self.PROGRAM_TEXCOORD_ATTRIBUTE)
self.program.link()
self.program.bind()
self.program.setUniformValue("texture", 0)
self.program.enableAttributeArray(self.PROGRAM_VERTEX_ATTRIBUTE)
self.program.enableAttributeArray(self.PROGRAM_TEXCOORD_ATTRIBUTE)
self.program.setAttributeArray(self.PROGRAM_VERTEX_ATTRIBUTE,
self.vertices)
self.program.setAttributeArray(self.PROGRAM_TEXCOORD_ATTRIBUTE,
self.texCoords)
def initializeGL(self):
version_profile = QOpenGLVersionProfile()
version_profile.setVersion(2, 0)
self.gl = self.context().versionFunctions(version_profile)
self.gl.initializeOpenGLFunctions()
self.object = self.makeObject()
def renderNow(self):
if not self.isExposed():
return
self.m_update_pending = False
needsInitialize = False
if self.m_context is None:
self.m_context = QOpenGLContext(self)
self.m_context.setFormat(self.requestedFormat())
self.m_context.create()
needsInitialize = True
self.m_context.makeCurrent(self)
if needsInitialize:
version_profile = QOpenGLVersionProfile()
version_profile.setVersion(2, 0)
self.m_gl = self.m_context.versionFunctions(version_profile)
self.m_gl.initializeOpenGLFunctions()
self.initialize()
self.render(self.m_gl)
self.m_context.swapBuffers(self)
if self.m_animating:
self.renderLater()
def _initialize(self):
profile = QOpenGLVersionProfile()
profile.setVersion(2, 0)
self._gl = QOpenGLContext.currentContext().versionFunctions(profile)
self._gl.initializeOpenGLFunctions()
self._default_material = self.createMaterial(
Resources.getPath(Resources.Shaders, "default.vert"),
Resources.getPath(Resources.Shaders, "default.frag")
)
self._default_material.setUniformValue("u_ambientColor", Color(0.3, 0.3, 0.3, 1.0))
self._default_material.setUniformValue("u_diffuseColor", Color(0.5, 0.5, 0.5, 1.0))
self._default_material.setUniformValue("u_specularColor", Color(0.7, 0.7, 0.7, 1.0))
self._default_material.setUniformValue("u_shininess", 20.)
self._selection_buffer = self.createFrameBuffer(128, 128)
self._selection_material = self.createMaterial(
Resources.getPath(Resources.Shaders, "basic.vert"),
Resources.getPath(Resources.Shaders, "color.frag")
)
self._handle_material = self.createMaterial(
Resources.getPath(Resources.Shaders, "basic.vert"),
Resources.getPath(Resources.Shaders, "vertexcolor.frag")
)
self._outline_material = self.createMaterial(
Resources.getPath(Resources.Shaders, "outline.vert"),
Resources.getPath(Resources.Shaders, "outline.frag")
)
self._initialized = True
def _initialize(self):
profile = QOpenGLVersionProfile()
profile.setVersion(2, 0)
self._gl = QOpenGLContext.currentContext().versionFunctions(profile)
self._gl.initializeOpenGLFunctions()
self._default_material = self.createMaterial(
Resources.getPath(Resources.Shaders, "default.vert"),
Resources.getPath(Resources.Shaders, "default.frag"))
self._default_material.setUniformValue("u_ambientColor",
Color(0.3, 0.3, 0.3, 1.0))
self._default_material.setUniformValue("u_diffuseColor",
Color(0.5, 0.5, 0.5, 1.0))
self._default_material.setUniformValue("u_specularColor",
Color(0.7, 0.7, 0.7, 1.0))
self._default_material.setUniformValue("u_shininess", 20.)
self._selection_buffer = self.createFrameBuffer(128, 128)
self._selection_material = self.createMaterial(
Resources.getPath(Resources.Shaders, "basic.vert"),
Resources.getPath(Resources.Shaders, "color.frag"))
self._handle_material = self.createMaterial(
Resources.getPath(Resources.Shaders, "basic.vert"),
Resources.getPath(Resources.Shaders, "vertexcolor.frag"))
self._outline_material = self.createMaterial(
Resources.getPath(Resources.Shaders, "outline.vert"),
Resources.getPath(Resources.Shaders, "outline.frag"))
self._initialized = True
def __init__(self, workspace, surface: QSurface):
super().__init__()
self.surf = surface
prof = QOpenGLVersionProfile()
prof.setVersion(2, 0)
self.vao = GL.glGenVertexArrays(1)
self.vbo, self.vbo2 = GL.glGenBuffers(2)
self.texture = -1
self.current_model: BlockModel = None
self.workspace = workspace
self.array1, array2 = None, None
self.shader = QOpenGLShaderProgram()
self.shader.addShaderFromSourceFile(QOpenGLShader.Vertex,
"shader/block.vertex.glsl")
self.shader.addShaderFromSourceFile(QOpenGLShader.Fragment,
"shader/block.fragment.glsl")
self.shader.link()
self.proj_mat = glm.perspective(
1.57,
self.surf.size().width() / self.surf.size().height(), 0.1, 100)
self.texture = GL.glGenTextures(1)
def __init__(self) -> None:
if OpenGL.__instance is not None:
raise RuntimeError("Try to create singleton '%s' more than once" % self.__class__.__name__)
OpenGL.__instance = self
super().__init__()
profile = QOpenGLVersionProfile()
profile.setVersion(OpenGLContext.major_version, OpenGLContext.minor_version)
profile.setProfile(OpenGLContext.profile)
self._gl = QOpenGLContext.currentContext().versionFunctions(profile) # type: Any #It's actually a protected class in PyQt that depends on the implementation of your graphics card.
if not self._gl:
Logger.log("e", "Startup failed due to OpenGL initialization failing")
QMessageBox.critical(None, i18n_catalog.i18nc("@message", "Failed to Initialize OpenGL", "Could not initialize OpenGL. This program requires OpenGL 2.0 or higher. Please check your video card drivers."))
sys.exit(1)
# It would be nice to be able to not necessarily need OpenGL FrameBuffer Object support, but
# due to a limitation in PyQt, currently glReadPixels or similar methods are not available.
# This means we can only get frame buffer contents through methods that indirectly call
# those methods, in this case primarily QOpenGLFrameBufferObject::toImage(), making us
# hard-depend on FrameBuffer Objects.
if not self.hasFrameBufferObjects():
Logger.log("e", "Startup failed, OpenGL does not support Frame Buffer Objects")
QMessageBox.critical(None, i18n_catalog.i18nc("Critical OpenGL Extensions Missing", "Critical OpenGL extensions are missing. This program requires support for Framebuffer Objects. Please check your video card drivers."))
sys.exit(1)
self._gl.initializeOpenGLFunctions()
self._gpu_vendor = OpenGL.Vendor.Other #type: int
vendor_string = self._gl.glGetString(self._gl.GL_VENDOR)
if vendor_string is None:
vendor_string = "Unknown"
vendor_string = vendor_string.lower()
if "nvidia" in vendor_string:
self._gpu_vendor = OpenGL.Vendor.NVidia
elif "amd" in vendor_string or "ati" in vendor_string:
self._gpu_vendor = OpenGL.Vendor.AMD
elif "intel" in vendor_string:
self._gpu_vendor = OpenGL.Vendor.Intel
# WORKAROUND: Cura/#1117 Cura-packaging/12
# Some Intel GPU chipsets return a string, which is not undecodable via PyQt5.
# This workaround makes the code fall back to a "Unknown" renderer in these cases.
try:
self._gpu_type = self._gl.glGetString(self._gl.GL_RENDERER) #type: str
except UnicodeDecodeError:
Logger.log("e", "DecodeError while getting GL_RENDERER via glGetString!")
self._gpu_type = "Unknown" #type: str
self._opengl_version = self._gl.glGetString(self._gl.GL_VERSION) #type: str
if not self.hasFrameBufferObjects():
Logger.log("w", "No frame buffer support, falling back to texture copies.")
Logger.log("d", "Initialized OpenGL subsystems.")
Logger.log("d", "OpenGL Version: %s", self._opengl_version)
Logger.log("d", "OpenGL Vendor: %s", self._gl.glGetString(self._gl.GL_VENDOR))
Logger.log("d", "OpenGL Renderer: %s", self._gpu_type)
def opengl_info() -> Optional[OpenGLInfo]: # pragma: no cover
"""Get the OpenGL vendor used.
This returns a string such as 'nouveau' or
'Intel Open Source Technology Center'; or None if the vendor can't be
determined.
"""
assert QApplication.instance()
override = os.environ.get('QUTE_FAKE_OPENGL')
if override is not None:
log.init.debug("Using override {}".format(override))
vendor, version = override.split(', ', maxsplit=1)
return OpenGLInfo.parse(vendor=vendor, version=version)
old_context = cast(Optional[QOpenGLContext],
QOpenGLContext.currentContext())
old_surface = None if old_context is None else old_context.surface()
surface = QOffscreenSurface()
surface.create()
ctx = QOpenGLContext()
ok = ctx.create()
if not ok:
log.init.debug("Creating context failed!")
return None
ok = ctx.makeCurrent(surface)
if not ok:
log.init.debug("Making context current failed!")
return None
try:
if ctx.isOpenGLES():
# Can't use versionFunctions there
return OpenGLInfo(gles=True)
vp = QOpenGLVersionProfile()
vp.setVersion(2, 0)
try:
vf = ctx.versionFunctions(vp)
except ImportError as e:
log.init.debug("Importing version functions failed: {}".format(e))
return None
if vf is None:
log.init.debug("Getting version functions failed!")
return None
vendor = vf.glGetString(vf.GL_VENDOR)
version = vf.glGetString(vf.GL_VERSION)
return OpenGLInfo.parse(vendor=vendor, version=version)
finally:
ctx.doneCurrent()
if old_context and old_surface:
old_context.makeCurrent(old_surface)
def setWin(self, win):
self.win = win
ver = QOpenGLVersionProfile()
ver.setVersion(2, 1)
self.m_context = self.win.openglContext()
self.gl = self.m_context.versionFunctions(ver)
def setWin(self, win):
self.win = win
ver = QOpenGLVersionProfile()
ver.setVersion(2, 1)
self.m_context = self.win.openglContext()
self.gl = self.m_context.versionFunctions(ver)
def init_gl(self):
global vertex_shader
global fragment_shader
version = QOpenGLVersionProfile()
version.setVersion(2, 1)
self.gl = self.context().versionFunctions(version)
self.gl.initializeOpenGLFunctions()
def __init__(self):
profile = QOpenGLVersionProfile()
profile.setVersion(2, 0)
self._gl = QOpenGLContext.currentContext().versionFunctions(profile)
if not self._gl:
Logger.log("e",
"Startup failed due to OpenGL initialization failing")
QMessageBox.critical(
"Failed to Initialize OpenGL",
"Could not initialize OpenGL. This program requires OpenGL 2.0 or higher. Please check your video card drivers."
)
sys.exit(1)
# It would be nice to be able to not necessarily need OpenGL Framebuffer Object support, but
# due to a limiation in PyQt, currently glReadPixels or similar methods are not available.
# This means we can only get frame buffer contents through methods that indirectly call
# those methods, in this case primarily QOpenGLFramebufferObject::toImage(), making us
# hard-depend on Framebuffer Objects.
if not self.hasFrameBufferObjects():
Logger.log(
"e",
"Starup failed, OpenGL does not support Frame Buffer Objects")
QMessageBox.critical(
"Critical OpenGL Extensions Missing",
"Critical OpenGL extensions are missing. This program requires support for Framebuffer Objects. Please check your video card drivers."
)
sys.exit(1)
self._gl.initializeOpenGLFunctions()
self._gpu_vendor = OpenGL.Vendor.Other
vendor_string = self._gl.glGetString(self._gl.GL_VENDOR)
if vendor_string is None:
vendor_string = "Unknown"
vendor_string = vendor_string.lower()
if "nvidia" in vendor_string:
self._gpu_vendor = OpenGL.Vendor.NVidia
elif "amd" in vendor_string or "ati" in vendor_string:
self._gpu_vendor = OpenGL.Vendor.AMD
elif "intel" in vendor_string:
self._gpu_vendor = OpenGL.Vendor.Intel
self._gpu_type = self._gl.glGetString(self._gl.GL_RENDERER)
if not self.hasFrameBufferObjects():
Logger.log(
"w",
"No frame buffer support, falling back to texture copies.")
Logger.log("d", "Initialized OpenGL subsystems.")
Logger.log("d", "OpenGL Version: %s",
self._gl.glGetString(self._gl.GL_VERSION))
Logger.log("d", "OpenGL Vendor: %s",
self._gl.glGetString(self._gl.GL_VENDOR))
Logger.log("d", "OpenGL Renderer: %s", self._gpu_type)
def initializeGL(self):
version_profile = QOpenGLVersionProfile()
version_profile.setVersion(2, 0)
self.gl = self.context().versionFunctions(version_profile)
self.gl.initializeOpenGLFunctions()
self.setClearColor(self.trolltechPurple.darker())
self.object = self.makeObject()
self.gl.glShadeModel(self.gl.GL_FLAT)
self.gl.glEnable(self.gl.GL_DEPTH_TEST)
self.gl.glEnable(self.gl.GL_CULL_FACE)
def opengl_vendor(): # pragma: no cover
"""Get the OpenGL vendor used.
This returns a string such as 'nouveau' or
'Intel Open Source Technology Center'; or None if the vendor can't be
determined.
"""
assert QApplication.instance()
override = os.environ.get('QUTE_FAKE_OPENGL_VENDOR')
if override is not None:
log.init.debug("Using override {}".format(override))
return override
old_context = QOpenGLContext.currentContext()
old_surface = None if old_context is None else old_context.surface()
surface = QOffscreenSurface()
surface.create()
ctx = QOpenGLContext()
ok = ctx.create()
if not ok:
log.init.debug("Creating context failed!")
return None
ok = ctx.makeCurrent(surface)
if not ok:
log.init.debug("Making context current failed!")
return None
try:
if ctx.isOpenGLES():
# Can't use versionFunctions there
return None
vp = QOpenGLVersionProfile()
vp.setVersion(2, 0)
try:
vf = ctx.versionFunctions(vp)
except ImportError as e:
log.init.debug("Importing version functions failed: {}".format(e))
return None
if vf is None:
log.init.debug("Getting version functions failed!")
return None
return vf.glGetString(vf.GL_VENDOR)
finally:
ctx.doneCurrent()
if old_context and old_surface:
old_context.makeCurrent(old_surface)
def initializeGL(self):
version = QOpenGLVersionProfile()
version.setVersion(2, 0)
self.gl = self.context().versionFunctions(version)
self.gl.initializeOpenGLFunctions()
self.setClearColor(self.trolltechPurple.darker())
self.object = self.makeObject()
self.gl.glShadeModel(self.gl.GL_FLAT)
self.gl.glEnable(self.gl.GL_DEPTH_TEST)
self.gl.glEnable(self.gl.GL_CULL_FACE)
def opengl_vendor(): # pragma: no cover
"""Get the OpenGL vendor used.
This returns a string such as 'nouveau' or
'Intel Open Source Technology Center'; or None if the vendor can't be
determined.
"""
assert QApplication.instance()
old_context = QOpenGLContext.currentContext()
old_surface = None if old_context is None else old_context.surface()
surface = QOffscreenSurface()
surface.create()
ctx = QOpenGLContext()
ok = ctx.create()
if not ok:
log.init.debug("opengl_vendor: Creating context failed!")
return None
ok = ctx.makeCurrent(surface)
if not ok:
log.init.debug("opengl_vendor: Making context current failed!")
return None
try:
if ctx.isOpenGLES():
# Can't use versionFunctions there
return None
vp = QOpenGLVersionProfile()
vp.setVersion(2, 0)
try:
vf = ctx.versionFunctions(vp)
except ImportError as e:
log.init.debug("opengl_vendor: Importing version functions "
"failed: {}".format(e))
return None
if vf is None:
log.init.debug("opengl_vendor: Getting version functions failed!")
return None
return vf.glGetString(vf.GL_VENDOR)
finally:
ctx.doneCurrent()
if old_context and old_surface:
old_context.makeCurrent(old_surface)
def opengl_vendor(): # pragma: no cover
"""Get the OpenGL vendor used.
This returns a string such as 'nouveau' or
'Intel Open Source Technology Center'; or None if the vendor can't be
determined.
"""
# We're doing those imports here because this is only available with Qt 5.4
# or newer.
from PyQt5.QtGui import (QOpenGLContext, QOpenGLVersionProfile,
QOffscreenSurface)
assert QApplication.instance()
old_context = QOpenGLContext.currentContext()
old_surface = None if old_context is None else old_context.surface()
surface = QOffscreenSurface()
surface.create()
ctx = QOpenGLContext()
ok = ctx.create()
if not ok:
log.init.debug("opengl_vendor: Creating context failed!")
return None
ok = ctx.makeCurrent(surface)
if not ok:
log.init.debug("opengl_vendor: Making context current failed!")
return None
try:
if ctx.isOpenGLES():
# Can't use versionFunctions there
return None
vp = QOpenGLVersionProfile()
vp.setVersion(2, 0)
vf = ctx.versionFunctions(vp)
if vf is None:
log.init.debug("opengl_vendor: Getting version functions failed!")
return None
return vf.glGetString(vf.GL_VENDOR)
finally:
ctx.doneCurrent()
if old_context and old_surface:
old_context.makeCurrent(old_surface)
def opengl_vendor(): # pragma: no cover
"""Get the OpenGL vendor used.
This returns a string such as 'nouveau' or
'Intel Open Source Technology Center'; or None if the vendor can't be
determined.
"""
# We're doing those imports here because this is only available with Qt 5.4
# or newer.
from PyQt5.QtGui import (QOpenGLContext, QOpenGLVersionProfile,
QOffscreenSurface)
assert QApplication.instance()
old_context = QOpenGLContext.currentContext()
old_surface = None if old_context is None else old_context.surface()
surface = QOffscreenSurface()
surface.create()
ctx = QOpenGLContext()
ok = ctx.create()
if not ok:
log.init.debug("opengl_vendor: Creating context failed!")
return None
ok = ctx.makeCurrent(surface)
if not ok:
log.init.debug("opengl_vendor: Making context current failed!")
return None
try:
if ctx.isOpenGLES():
# Can't use versionFunctions there
return None
vp = QOpenGLVersionProfile()
vp.setVersion(2, 0)
vf = ctx.versionFunctions(vp)
if vf is None:
log.init.debug("opengl_vendor: Getting version functions failed!")
return None
return vf.glGetString(vf.GL_VENDOR)
finally:
ctx.doneCurrent()
if old_context and old_surface:
old_context.makeCurrent(old_surface)
def initializeGL(self):
f = QSurfaceFormat()
#f.setVersion(2, 2)
f.setDepthBufferSize(32)
p = QOpenGLVersionProfile(f)
self.gl = self.context().versionFunctions(p)
self.gl.initializeOpenGLFunctions()
self.setClearColor(self._bgColor)
self.loadObject()
if not BATCH_MODE:
self.loadTargetImageMeta(
self.systemModel.asteroid.sample_image_meta_file)
self.gl.glEnable(self.gl.GL_CULL_FACE)
# for transparent asteroid image on top of model
self.gl.glBlendFunc(self.gl.GL_SRC_ALPHA,
self.gl.GL_ONE_MINUS_SRC_ALPHA)
if self._render:
self._rendOpts()
else:
self._projOpts()
if not BATCH_MODE:
self.loadTargetImage(self.systemModel.asteroid.sample_image_file)
def initializeGL(self):
version = QOpenGLVersionProfile()
version.setVersion(2, 0)
self.gl = self.context().versionFunctions(version)
self.gl.initializeOpenGLFunctions()
self.setClearColor(GLWidget.COLOR_BACKGROUND)
# self.gl.glPolygonMode(self.gl.GL_FRONT_AND_BACK, self.gl.GL_LINE )
self.gl.glShadeModel(self.gl.GL_SMOOTH)
self.gl.glEnable(self.gl.GL_DEPTH_TEST)
self.gl.glEnable(self.gl.GL_CULL_FACE)
# self.gl.glEnable(self.gl.GL_LIGHTING)
# self.gl.glEnable(self.gl.GL_LIGHT0)
self.gl.glEnable(self.gl.GL_MULTISAMPLE)
self.gl.glEnable(self.gl.GL_BLEND)
self.gl.glBlendFunc(self.gl.GL_SRC_ALPHA, self.gl.GL_ONE_MINUS_SRC_ALPHA)
def __init__(self):
super(LogoRenderer, self).__init__()
self.m_fAngle = None
self.m_fScale = None
self.vertices = []
self.normals = []
self.program1 = QOpenGLShaderProgram()
self.vertexAttr1 = 0
self.normalAttr1 = 0
self.matrixUniform1 = 0
ver = QOpenGLVersionProfile()
ver.setVersion(2, 1)
cntx = QOpenGLContext.currentContext()
#print("QOpenGLContext:", cntx, ver)
fmt = cntx.format()
fmt.setVersion(2, 1)
cntx.setFormat(fmt)
self.gl = cntx.versionFunctions(ver)
def initializeGL(self):
profile = QOpenGLVersionProfile()
profile.setVersion(4, 1)
profile.setProfile(QSurfaceFormat.CoreProfile)
glClearColor(0.85, 0.85, 0.85, 1.0)
self.program = self.init_shaders()
vertices, normals, tex_coords, faces, material = read_obj(self.obj_path)
self.bounding_box = get_bounding_box(vertices)
self.model_offset = -(self.bounding_box[0] + 0.5 * (self.bounding_box[1] - self.bounding_box[0])) # Offset to move the model's center into 0,0,0
self.texture = load_texture(material)
glEnable(GL_DEPTH_TEST)
glEnable(GL_CULL_FACE)
self.vertex_buf, self.index_buf = self.init_buffers(vertices, normals, tex_coords, faces)
self.initialized = True
def __init__(self):
super(LogoRenderer, self).__init__()
self.m_fAngle = None
self.m_fScale = None
self.vertices = []
self.normals = []
self.program1 = QOpenGLShaderProgram()
self.vertexAttr1 = 0
self.normalAttr1 = 0
self.matrixUniform1 = 0
ver = QOpenGLVersionProfile()
ver.setVersion(2, 1)
cntx = QOpenGLContext.currentContext()
#print("QOpenGLContext:", cntx, ver)
fmt = cntx.format()
fmt.setVersion(2, 1)
cntx.setFormat(fmt)
self.gl = cntx.versionFunctions(ver)
def __init__(self):
profile = QOpenGLVersionProfile()
profile.setVersion(2, 0)
self._gl = QOpenGLContext.currentContext().versionFunctions(profile)
if not self._gl:
Logger.log("e", "Startup failed due to OpenGL initialization failing")
QMessageBox.critical("Failed to Initialize OpenGL", "Could not initialize OpenGL. This program requires OpenGL 2.0 or higher. Please check your video card drivers.")
sys.exit(1)
# It would be nice to be able to not necessarily need OpenGL Framebuffer Object support, but
# due to a limiation in PyQt, currently glReadPixels or similar methods are not available.
# This means we can only get frame buffer contents through methods that indirectly call
# those methods, in this case primarily QOpenGLFramebufferObject::toImage(), making us
# hard-depend on Framebuffer Objects.
if not self.hasFrameBufferObjects():
Logger.log("e", "Starup failed, OpenGL does not support Frame Buffer Objects")
QMessageBox.critical("Critical OpenGL Extensions Missing", "Critical OpenGL extensions are missing. This program requires support for Framebuffer Objects. Please check your video card drivers.")
sys.exit(1)
self._gl.initializeOpenGLFunctions()
self._gpu_vendor = OpenGL.Vendor.Other
vendor_string = self._gl.glGetString(self._gl.GL_VENDOR)
if vendor_string is None:
vendor_string = "Unknown"
vendor_string = vendor_string.lower()
if "nvidia" in vendor_string:
self._gpu_vendor = OpenGL.Vendor.NVidia
elif "amd" in vendor_string or "ati" in vendor_string:
self._gpu_vendor = OpenGL.Vendor.AMD
elif "intel" in vendor_string:
self._gpu_vendor = OpenGL.Vendor.Intel
self._gpu_type = self._gl.glGetString(self._gl.GL_RENDERER)
if not self.hasFrameBufferObjects():
Logger.log("w", "No frame buffer support, falling back to texture copies.")
Logger.log("d", "Initialized OpenGL subsystems.")
Logger.log("d", "OpenGL Version: %s", self._gl.glGetString(self._gl.GL_VERSION))
Logger.log("d", "OpenGL Vendor: %s", self._gl.glGetString(self._gl.GL_VENDOR))
Logger.log("d", "OpenGL Renderer: %s", self._gpu_type)
def initializeGL(self):
version_profile = QOpenGLVersionProfile()
version_profile.setVersion(4, 1)
version_profile.setProfile(QSurfaceFormat.CoreProfile)
self.gl = self.context().versionFunctions(version_profile)
if not self.gl:
raise RuntimeError("unable to apply OpenGL version profile")
self.gl.initializeOpenGLFunctions()
self.open_file('settings.xml')
self.point_cloud_render = PC.PointCloudRender()
self.sensor_thread = RSXML.load('settings.xml')
#self.sensor_thread = API.RealSenseThread(1, 'RealSenseThread')
self.sensor_thread.connect(self.point_cloud_render)
self.motor_control = MCXML.load('settings.xml')
self.sensor_thread.motor_control = self.motor_control
self.message_bot = MBXML.load('settings.xml')
if self.message_bot is not None:
self.message_bot.sensor = self.sensor_thread
self.message_bot.start()
self.sensor_thread.bot = self.message_bot
self.sensor_thread.start()
glClearColor(self.clear_color[0], self.clear_color[1],
self.clear_color[2], 0.0)
glEnable(GL_DEPTH_TEST)
glDepthFunc(GL_LESS)
glEnable(GL_CULL_FACE)
def initializeGL(self):
if not has_libGL:
return
profile = QOpenGLVersionProfile()
profile.setVersion(4, 1)
profile.setProfile(QSurfaceFormat.CoreProfile)
glClearColor(0.85, 0.85, 0.85, 1.0)
self.program = self.init_shaders()
vertices, normals, tex_coords, faces, material = read_obj(
self.obj_path)
self.bounding_box = get_bounding_box(vertices)
self.model_offset = -(self.bounding_box[0] + 0.5 *
(self.bounding_box[1] - self.bounding_box[0])
) # Offset to move the model's center into 0,0,0
self.texture = load_texture(material)
glEnable(GL_DEPTH_TEST)
glEnable(GL_CULL_FACE)
self.vertex_buf, self.index_buf = self.init_buffers(
vertices, normals, tex_coords, faces)
self.initialized = True
def initializeGL(self):
version_profile = QOpenGLVersionProfile()
version_profile.setVersion(2, 0)
self.gl = self.context().versionFunctions(version_profile)
self.gl.initializeOpenGLFunctions()
lightPos = (5.0, 5.0, 10.0, 1.0)
reflectance1 = (0.8, 0.1, 0.0, 1.0)
reflectance2 = (0.0, 0.8, 0.2, 1.0)
reflectance3 = (0.2, 0.2, 1.0, 1.0)
self.gl.glLightfv(self.gl.GL_LIGHT0, self.gl.GL_POSITION, lightPos)
self.gl.glEnable(self.gl.GL_LIGHTING)
self.gl.glEnable(self.gl.GL_LIGHT0)
self.gl.glEnable(self.gl.GL_DEPTH_TEST)
self.gear1 = self.makeGear(reflectance1, 1.0, 4.0, 1.0, 0.7, 20)
self.gear2 = self.makeGear(reflectance2, 0.5, 2.0, 2.0, 0.7, 10)
self.gear3 = self.makeGear(reflectance3, 1.3, 2.0, 0.5, 0.7, 10)
self.gl.glEnable(self.gl.GL_NORMALIZE)
self.gl.glClearColor(0.0, 0.0, 0.0, 1.0)
def opengl_vendor(): # pragma: no cover
"""Get the OpenGL vendor used.
This returns a string such as 'nouveau' or
'Intel Open Source Technology Center'; or None if the vendor can't be
determined.
"""
# We're doing those imports here because this is only available with Qt 5.4
# or newer.
from PyQt5.QtGui import (QOpenGLContext, QOpenGLVersionProfile,
QOffscreenSurface)
assert QApplication.instance()
assert QOpenGLContext.currentContext() is None
surface = QOffscreenSurface()
surface.create()
ctx = QOpenGLContext()
ok = ctx.create()
assert ok
ok = ctx.makeCurrent(surface)
assert ok
if ctx.isOpenGLES():
# Can't use versionFunctions there
return None
vp = QOpenGLVersionProfile()
vp.setVersion(2, 0)
vf = ctx.versionFunctions(vp)
vendor = vf.glGetString(vf.GL_VENDOR)
ctx.doneCurrent()
return vendor
def __init__(self):
profile = QOpenGLVersionProfile()
profile.setVersion(OpenGLContext.major_version, OpenGLContext.minor_version)
profile.setProfile(OpenGLContext.profile)
self._gl = QOpenGLContext.currentContext().versionFunctions(profile)
if not self._gl:
Logger.log("e", "Startup failed due to OpenGL initialization failing")
QMessageBox.critical(None, i18n_catalog.i18nc("@message", "Failed to Initialize OpenGL", "Could not initialize OpenGL. This program requires OpenGL 2.0 or higher. Please check your video card drivers."))
sys.exit(1)
# It would be nice to be able to not necessarily need OpenGL Framebuffer Object support, but
# due to a limiation in PyQt, currently glReadPixels or similar methods are not available.
# This means we can only get frame buffer contents through methods that indirectly call
# those methods, in this case primarily QOpenGLFramebufferObject::toImage(), making us
# hard-depend on Framebuffer Objects.
if not self.hasFrameBufferObjects():
Logger.log("e", "Starup failed, OpenGL does not support Frame Buffer Objects")
QMessageBox.critical(None, i18n_catalog.i18nc("Critical OpenGL Extensions Missing", "Critical OpenGL extensions are missing. This program requires support for Framebuffer Objects. Please check your video card drivers."))
sys.exit(1)
self._gl.initializeOpenGLFunctions()
self._gpu_vendor = OpenGL.Vendor.Other
vendor_string = self._gl.glGetString(self._gl.GL_VENDOR)
if vendor_string is None:
vendor_string = "Unknown"
vendor_string = vendor_string.lower()
if "nvidia" in vendor_string:
self._gpu_vendor = OpenGL.Vendor.NVidia
elif "amd" in vendor_string or "ati" in vendor_string:
self._gpu_vendor = OpenGL.Vendor.AMD
elif "intel" in vendor_string:
self._gpu_vendor = OpenGL.Vendor.Intel
#WORKAROUND: Cura/#1117 Cura-packaging/12
# Some Intel GPU chipsets return a string, which is not undecodable via PyQt5.
# This workaround makes the code fall back to a "Unknown" renderer in these cases.
try:
self._gpu_type = self._gl.glGetString(self._gl.GL_RENDERER)
except UnicodeDecodeError:
Logger.log("e", "DecodeError while getting GL_RENDERER via glGetString!")
self._gpu_type = "Unknown"
self._opengl_version = self._gl.glGetString(self._gl.GL_VERSION)
if not self.hasFrameBufferObjects():
Logger.log("w", "No frame buffer support, falling back to texture copies.")
Logger.log("d", "Initialized OpenGL subsystems.")
Logger.log("d", "OpenGL Version: %s", self._opengl_version)
Logger.log("d", "OpenGL Vendor: %s", self._gl.glGetString(self._gl.GL_VENDOR))
Logger.log("d", "OpenGL Renderer: %s", self._gpu_type)
def detectBestOpenGLVersion(
cls, force_compatability: bool
) -> Tuple[Optional[int], Optional[int], Optional[int]]:
"""Return "best" OpenGL to use, 4.1 core or 2.0.
result is <major_version>, <minor_version>, <profile>
The version depends on what versions are supported in Qt (4.1 and 2.0) and what
the GPU supports. If creating a context fails at all, (None, None, None) is returned
Note that PyQt only supports 4.1, 2.1 and 2.0. Cura omits support for 2.1, so the
only returned options are 4.1 and 2.0.
"""
cls.detect_ogl_context = None
if not force_compatability:
Logger.log("d", "Trying OpenGL context 4.1...")
cls.detect_ogl_context = cls.setContext(4, 1, core=True)
if cls.detect_ogl_context is not None:
fmt = cls.detect_ogl_context.format()
profile = fmt.profile()
# First test: we hope for this
if ((fmt.majorVersion() == 4 and fmt.minorVersion() >= 1) or
(fmt.majorVersion() >
4)) and profile == QSurfaceFormat.CoreProfile:
Logger.log(
"d", "Yay, we got at least OpenGL 4.1 core: %s",
cls.versionAsText(fmt.majorVersion(), fmt.minorVersion(),
profile))
# https://riverbankcomputing.com/pipermail/pyqt/2017-January/038640.html
# PyQt currently only implements 2.0, 2.1 and 4.1Core
# If eg 4.5Core would be detected and used here, PyQt would not be able to handle it.
major_version = 4
minor_version = 1
# CURA-6092: Check if we're not using software backed 4.1 context; A software 4.1 context
# is much slower than a hardware backed 2.0 context
# Check for OS, Since this only seems to happen on specific versions of Mac OSX and
# the workaround (which involves the deletion of an OpenGL context) is a problem for some Intel drivers.
if not Platform.isOSX():
return major_version, minor_version, QSurfaceFormat.CoreProfile
gl_window = QWindow()
gl_window.setSurfaceType(QWindow.OpenGLSurface)
gl_window.showMinimized()
cls.detect_ogl_context.makeCurrent(gl_window)
gl_profile = QOpenGLVersionProfile()
gl_profile.setVersion(major_version, minor_version)
gl_profile.setProfile(profile)
gl = cls.detect_ogl_context.versionFunctions(
gl_profile
) # type: Any #It's actually a protected class in PyQt that depends on the requested profile and the implementation of your graphics card.
gpu_type = "Unknown" # type: str
result = None
if gl:
result = gl.initializeOpenGLFunctions()
if not result:
Logger.log("e",
"Could not initialize OpenGL to get gpu type")
else:
# WORKAROUND: Cura/#1117 Cura-packaging/12
# Some Intel GPU chipsets return a string, which is not undecodable via PyQt5.
# This workaround makes the code fall back to a "Unknown" renderer in these cases.
try:
gpu_type = gl.glGetString(gl.GL_RENDERER)
except UnicodeDecodeError:
Logger.log(
"e",
"DecodeError while getting GL_RENDERER via glGetString!"
)
Logger.log("d",
"OpenGL renderer type for this OpenGL version: %s",
gpu_type)
if "software" in gpu_type.lower():
Logger.log(
"w",
"Unfortunately OpenGL 4.1 uses software rendering")
else:
return major_version, minor_version, QSurfaceFormat.CoreProfile
else:
Logger.log("d", "Failed to create OpenGL context 4.1.")
# Fallback: check min spec
Logger.log("d", "Trying OpenGL context 2.0...")
cls.detect_ogl_context = cls.setContext(
2, 0, profile=QSurfaceFormat.NoProfile)
if cls.detect_ogl_context is not None:
fmt = cls.detect_ogl_context.format()
profile = fmt.profile()
if fmt.majorVersion() >= 2 and fmt.minorVersion() >= 0:
Logger.log(
"d", "We got at least OpenGL context 2.0: %s",
cls.versionAsText(fmt.majorVersion(), fmt.minorVersion(),
profile))
return 2, 0, QSurfaceFormat.NoProfile
else:
Logger.log(
"d", "Current OpenGL context is too low: %s" %
cls.versionAsText(fmt.majorVersion(), fmt.minorVersion(),
profile))
return None, None, None
else:
Logger.log("d", "Failed to create OpenGL context 2.0.")
return None, None, None
def __init__(self) -> None:
if OpenGL.__instance is not None:
raise RuntimeError("Try to create singleton '%s' more than once" %
self.__class__.__name__)
OpenGL.__instance = self
super().__init__()
profile = QOpenGLVersionProfile()
profile.setVersion(OpenGLContext.major_version,
OpenGLContext.minor_version)
profile.setProfile(OpenGLContext.profile)
context = QOpenGLContext.currentContext()
if not context:
Logger.log(
"e", "Startup failed due to OpenGL context creation failing")
QMessageBox.critical(
None,
i18n_catalog.i18nc(
"@message", "Failed to Initialize OpenGL",
"Could not initialize an OpenGL context. This program requires OpenGL 2.0 or higher. Please check your video card drivers."
))
sys.exit(1)
self._gl = context.versionFunctions(
profile
) # type: Any #It's actually a protected class in PyQt that depends on the implementation of your graphics card.
if not self._gl:
Logger.log("e",
"Startup failed due to OpenGL initialization failing")
QMessageBox.critical(
None,
i18n_catalog.i18nc(
"@message", "Failed to Initialize OpenGL",
"Could not initialize OpenGL. This program requires OpenGL 2.0 or higher. Please check your video card drivers."
))
sys.exit(1)
# It would be nice to be able to not necessarily need OpenGL FrameBuffer Object support, but
# due to a limitation in PyQt, currently glReadPixels or similar methods are not available.
# This means we can only get frame buffer contents through methods that indirectly call
# those methods, in this case primarily QOpenGLFrameBufferObject::toImage(), making us
# hard-depend on FrameBuffer Objects.
if not self.hasFrameBufferObjects():
Logger.log(
"e",
"Startup failed, OpenGL does not support Frame Buffer Objects")
QMessageBox.critical(
None,
i18n_catalog.i18nc(
"Critical OpenGL Extensions Missing",
"Critical OpenGL extensions are missing. This program requires support for Framebuffer Objects. Please check your video card drivers."
))
sys.exit(1)
self._gl.initializeOpenGLFunctions()
self._gpu_vendor = OpenGL.Vendor.Other #type: int
vendor_string = self._gl.glGetString(self._gl.GL_VENDOR)
if vendor_string is None:
vendor_string = "Unknown"
vendor_string = vendor_string.lower()
if "nvidia" in vendor_string:
self._gpu_vendor = OpenGL.Vendor.NVidia
elif "amd" in vendor_string or "ati" in vendor_string:
self._gpu_vendor = OpenGL.Vendor.AMD
elif "intel" in vendor_string:
self._gpu_vendor = OpenGL.Vendor.Intel
self._gpu_type = "Unknown" # type: str
# WORKAROUND: Cura/#1117 Cura-packaging/12
# Some Intel GPU chipsets return a string, which is not undecodable via PyQt5.
# This workaround makes the code fall back to a "Unknown" renderer in these cases.
try:
self._gpu_type = self._gl.glGetString(self._gl.GL_RENDERER)
except UnicodeDecodeError:
Logger.log(
"e", "DecodeError while getting GL_RENDERER via glGetString!")
self._opengl_version = self._gl.glGetString(
self._gl.GL_VERSION) #type: str
self._opengl_shading_language_version = Version("0.0") # type: Version
try:
self._opengl_shading_language_version = Version(
self._gl.glGetString(self._gl.GL_SHADING_LANGUAGE_VERSION))
except:
self._opengl_shading_language_version = Version("1.0")
if not self.hasFrameBufferObjects():
Logger.log(
"w",
"No frame buffer support, falling back to texture copies.")
Logger.log("d", "Initialized OpenGL subsystems.")
Logger.log("d", "OpenGL Version: %s", self._opengl_version)
Logger.log("d", "OpenGL Vendor: %s",
self._gl.glGetString(self._gl.GL_VENDOR))
Logger.log("d", "OpenGL Renderer: %s", self._gpu_type)
Logger.log("d", "GLSL Version: %s",
self._opengl_shading_language_version)
def _initialize(self) -> None:
profile = QOpenGLVersionProfile()
profile.setVersion(2, 0)
self._gl = QOpenGLContext.currentContext().versionFunctions(profile)
self._gl.initializeOpenGLFunctions()
def init_glcontext(ctx):
''' Correct OpenGL functions can only be obtained from a valid GL context. '''
if getattr(gl, '__name__', '') != 'OpenGL.GL':
# The OpenGL functions are provided by the Qt library. Update them from the current context
fmt = QSurfaceFormat.defaultFormat()
glprofile = QOpenGLVersionProfile(fmt)
globals()['gl'] = ctx.versionFunctions(glprofile)
# QtOpenGL doesn't wrap all necessary functions. We can do this manually
# void glGetActiveUniformBlockName( GLuint program,
# GLuint uniformBlockIndex,
# GLsizei bufSize,
# GLsizei * length,
# GLchar * uniformBlockName)
funtype = ctypes.CFUNCTYPE(None, ctypes.c_uint32,
ctypes.c_uint32, ctypes.c_uint32,
ctypes.POINTER(ctypes.c_uint32),
ctypes.POINTER(ctypes.c_char * 20))
funcptr = ctx.getProcAddress(b'glGetActiveUniformBlockName')
c_getuboname = funtype(funcptr.__int__())
def p_getuboname(programid, uboid):
name = (ctypes.c_char * 20)()
c_getuboname(programid, uboid, 20, None, ctypes.pointer(name))
return name.value.decode('utf-8')
gl.glGetActiveUniformBlockName = p_getuboname
# void glGetActiveUniformBlockiv( GLuint program,
# GLuint uniformBlockIndex,
# GLenum pname,
# GLint * params)
funtype = ctypes.CFUNCTYPE(None, ctypes.c_uint32, ctypes.c_uint32,
ctypes.c_uint32, ctypes.POINTER(ctypes.c_int32))
funcptr = ctx.getProcAddress(b'glGetActiveUniformBlockiv')
c_getuboiv = funtype(funcptr.__int__())
def p_getuboiv(programid, uboid, pname):
if pname == gl.GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES:
# Special case: array with specific size is expected
n_indices = ctypes.c_int32()
c_getuboiv(programid, uboid, gl.GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS,
ctypes.pointer(n_indices))
indices = (ctypes.c_int32 * n_indices.value)()
# Apparently we need to specifically wrap depending on array size
funtype = ctypes.CFUNCTYPE(
None, ctypes.c_uint32, ctypes.c_uint32, ctypes.c_uint32,
ctypes.POINTER(ctypes.c_int32 * n_indices.value))
funcptr = ctx.getProcAddress(b'glGetActiveUniformBlockiv')
c_getuboindices = funtype(funcptr.__int__())
c_getuboindices(programid, uboid, pname, ctypes.pointer(indices))
return list(indices)
param = ctypes.c_int32()
c_getuboiv(programid, uboid, pname, ctypes.pointer(param))
return param.value
gl.glGetActiveUniformBlockiv = p_getuboiv
# void glVertexAttrib4Nub( GLuint index,
# GLubyte v0,
# GLubyte v1,
# GLubyte v2,
# GLubyte v3)
funtype = ctypes.CFUNCTYPE(None, ctypes.c_uint32, ctypes.c_uint8,
ctypes.c_uint8, ctypes.c_uint8, ctypes.c_uint8)
funcptr = ctx.getProcAddress(b'glVertexAttrib4Nub')
gl.glVertexAttrib4Nub = funtype(funcptr.__int__())
# void glTexImage2D( GLenum target,
# GLint level,
# GLint internalFormat,
# GLsizei width,
# GLsizei height,
# GLint border,
# GLenum format,
# GLenum type,
# const void * data)
funtype = ctypes.CFUNCTYPE(None, ctypes.c_uint32, ctypes.c_int32,
ctypes.c_int32, ctypes.c_uint32,
ctypes.c_uint32, ctypes.c_int32,
ctypes.c_uint32, ctypes.c_uint32,
ctypes.c_void_p)
funcptr = ctx.getProcAddress(b'glTexImage2D')
gl.glTexImage2D_alt = funtype(funcptr.__int__())
# void glTexSubImage2D( GLenum target,
# GLint level,
# GLint xoffset,
# GLint yoffset,
# GLsizei width,
# GLsizei height,
# GLenum format,
# GLenum type,
# const void * pixels)
funtype = ctypes.CFUNCTYPE(None, ctypes.c_uint32, ctypes.c_int32,
ctypes.c_int32, ctypes.c_int32, ctypes.c_uint32,
ctypes.c_uint32, ctypes.c_uint32,
ctypes.c_uint32, ctypes.c_void_p)
funcptr = ctx.getProcAddress(b'glTexSubImage2D')
gl.glTexSubImage2D_alt = funtype(funcptr.__int__())
if getattr(gl, '__name__', '') == 'OpenGL.GL':
# In case we are using PyOpenGL, get some of the functions to behave in the
# same way as their counterparts in Qt
glGetProgramiv_wrap = gl.glGetProgramiv
def glGetProgramiv(program, pname):
params = ctypes.c_int32()
glGetProgramiv_wrap(program, pname, params)
return params.value
gl.glGetProgramiv = glGetProgramiv
glGetActiveAttrib_wrap = gl.glGetActiveAttrib
def glGetActiveAttrib(program, index):
length = ctypes.c_int32()
size = ctypes.c_int32()
atype = ctypes.c_uint32()
name = (ctypes.c_char * 20)()
glGetActiveAttrib_wrap(program, index, 20, length, size, atype,
ctypes.pointer(name))
return name.value.decode('utf-8'), size.value, atype.value
gl.glGetActiveAttrib = glGetActiveAttrib
glGetActiveUniform_wrap = gl.glGetActiveUniform
def glGetActiveUniform(program, index):
length = ctypes.c_int32()
size = ctypes.c_int32()
atype = ctypes.c_uint32()
name = (ctypes.c_char * 20)()
glGetActiveUniform_wrap(program, index, 20, length, size, atype,
ctypes.pointer(name))
return name.value.decode('utf-8'), size.value, atype.value
gl.glGetActiveUniform = glGetActiveUniform
glTexSubImage3D_wrap = gl.glTexSubImage3D
def glTexSubImage3D(target, level, xOffset, yOffset, zOffset, width,
height, depth, sourceFormat, sourceType, data):
glTexSubImage3D_wrap(target, level, xOffset, yOffset, zOffset,
width, height, depth, sourceFormat,
sourceType, ctypes.c_void_p(int(data)))
gl.glTexSubImage3D = glTexSubImage3D
# The extended initialisation of the remaining GL functions in this function
# is only required for Qt-provided GL functions
return
# GLuint glGetUniformBlockIndex( GLuint program,
# const GLchar * uniformBlockName)
funtype = ctypes.CFUNCTYPE(ctypes.c_uint32, ctypes.c_uint32,
ctypes.POINTER(ctypes.c_char))
funcptr = ctx.getProcAddress(b'glGetUniformBlockIndex')
c_getuboindex = funtype(funcptr.__int__())
def p_getuboindex(programid, uboname):
ret = c_getuboindex(programid,
ctypes.c_char_p(uboname.encode('utf-8')))
return ret
gl.glGetUniformBlockIndex = p_getuboindex
# void glVertexAttribIPointer(GLuint index,
# GLint size,
# GLenum type,
# GLsizei stride,
# const void * pointer)
funtype = ctypes.CFUNCTYPE(None, ctypes.c_uint32, ctypes.c_int32,
ctypes.c_uint32, ctypes.c_uint32,
ctypes.c_void_p)
funcptr = ctx.getProcAddress(b'glVertexAttribIPointer')
# c_getvapointer = funtype(funcptr.__int__())
# def p_getvapointer(index, size, atype, normalized, stride, offset):
# norm = ctypes.c_bool(0)
# c_getvapointer(index, size, atype, norm, stride, offset)
gl.glVertexAttribIPointer = funtype(funcptr.__int__())
"""
vertices = [
# vertex coordinates texture coordinates
-1.0, -1.0, 0.5, 1.0, 0.0, 1.0,
-1.0, 1.0, 0.5, 1.0, 0.0, 0.0,
1.0, 1.0, 0.5, 1.0, 1.0, 0.0,
-1.0, -1.0, 0.5, 1.0, 0.0, 1.0,
1.0, 1.0, 0.5, 1.0, 1.0, 0.0,
1.0, -1.0, 0.5, 1.0, 1.0, 1.0,
]
glVersionProfile = QOpenGLVersionProfile()
glVersionProfile.setVersion(2, 1)
class DDSWidget(QOpenGLWidget):
def __init__(self, ddsFile, debugContext = False, parent = None, f = Qt.WindowFlags()):
super(DDSWidget, self).__init__(parent, f)
self.ddsFile = ddsFile
self.clean = True
self.logger = None
self.program = None
self.transparecyProgram = None
self.texture = None
def init():
''' Startup initialisation of OpenGL. '''
if gl is None:
version, profile = get_profile_settings()
# Initialise application-wide GL version
fmt = QSurfaceFormat()
fmt.setVersion(*version)
# profile = QSurfaceFormat.CoreProfile if sys.platform == 'darwin' else QSurfaceFormat.CompatibilityProfile
fmt.setProfile(profile or QSurfaceFormat.CompatibilityProfile)
QSurfaceFormat.setDefaultFormat(fmt)
if profile is not None:
# Use a dummy context to get GL functions
glprofile = QOpenGLVersionProfile(fmt)
ctx = QOpenGLContext()
globals()['gl'] = ctx.versionFunctions(glprofile)
# Check and set OpenGL capabilities
if not glprofile.hasProfiles():
raise RuntimeError(
'No OpenGL version >= 3.3 support detected for this system!'
)
else:
# If profile was none, PyQt5 is not shipped with any OpenGL function modules. Use PyOpenGL instead
print(
"Couldn't find OpenGL functions in Qt. Falling back to PyOpenGL"
)
globals()['gl'] = importlib.import_module('OpenGL.GL')
globals()['_glvar_sizes'] = {
gl.GL_FLOAT: 1,
gl.GL_FLOAT_VEC2: 2,
gl.GL_FLOAT_VEC3: 3,
gl.GL_FLOAT_VEC4: 4,
gl.GL_FLOAT_MAT2: 4,
gl.GL_FLOAT_MAT3: 9,
gl.GL_FLOAT_MAT4: 16,
gl.GL_FLOAT_MAT2x3: 6,
gl.GL_FLOAT_MAT2x4: 8,
gl.GL_FLOAT_MAT3x2: 6,
gl.GL_FLOAT_MAT3x4: 12,
gl.GL_FLOAT_MAT4x2: 8,
gl.GL_FLOAT_MAT4x3: 12,
gl.GL_INT: 1,
gl.GL_INT_VEC2: 2,
gl.GL_INT_VEC3: 3,
gl.GL_INT_VEC4: 4,
gl.GL_UNSIGNED_INT: 1,
gl.GL_UNSIGNED_INT_VEC2: 2,
gl.GL_UNSIGNED_INT_VEC3: 3,
gl.GL_UNSIGNED_INT_VEC4: 4,
gl.GL_DOUBLE: 1,
gl.GL_DOUBLE_VEC2: 2,
gl.GL_DOUBLE_VEC3: 3,
gl.GL_DOUBLE_VEC4: 4,
gl.GL_DOUBLE_MAT2: 4,
gl.GL_DOUBLE_MAT3: 9,
gl.GL_DOUBLE_MAT4: 16,
gl.GL_DOUBLE_MAT2x3: 6,
gl.GL_DOUBLE_MAT2x4: 8,
gl.GL_DOUBLE_MAT3x2: 6,
gl.GL_DOUBLE_MAT3x4: 12,
gl.GL_DOUBLE_MAT4x2: 8,
gl.GL_DOUBLE_MAT4x3: 12
}
return gl
class OpenGLApp(QMainWindow):
"""Main window."""
def __init__(self, versionprofile=None, *args, **kwargs):
"""Initialize with an OpenGL Widget."""
super(OpenGLApp, self).__init__(*args, **kwargs)
self.widget = QOpenGLControllerWidget(versionprofile=versionprofile)
self.setMinimumSize(400, 400)
self.setCentralWidget(self.widget)
self.show()
if __name__ == '__main__':
import sys
fmt = QSurfaceFormat()
fmt.setVersion(4, 1)
fmt.setProfile(QSurfaceFormat.CoreProfile)
fmt.setSamples(4)
fmt.setSwapInterval(0)
QSurfaceFormat.setDefaultFormat(fmt)
vp = QOpenGLVersionProfile()
vp.setVersion(4, 1)
vp.setProfile(QSurfaceFormat.CoreProfile)
app = QApplication(sys.argv)
window = OpenGLApp(versionprofile=vp)
window.show()
sys.exit(app.exec_())
def renderNow(self):
if not self.isExposed():
return
self.m_update_pending = False
needsInitialize = False
if self.m_context is None:
self.m_context = QOpenGLContext(self)
self.m_context.setFormat(self.requestedFormat())
self.m_context.create()
needsInitialize = True
self.m_context.makeCurrent(self)
if needsInitialize:
# Sorry, no support for higher versions for now.
profile = QOpenGLVersionProfile()
profile.setVersion(2, 0)
self.m_gl = self.m_context.versionFunctions(profile)
self.m_gl.initializeOpenGLFunctions()
#print(self.m_context.hasExtension('GL_EXT_framebuffer_object'))
#print(self.m_context.hasExtension('GL_ARB_texture_float'))
#print(*sorted(self.m_context.extensions()), sep='\n')
# Small hack. Guess noone mind?
import ctypes
import ctypes.util
GL = ctypes.CDLL(ctypes.util.find_library('GL'))
self.addGlFunctuins(GL, {
'glFramebufferTexture2D': (ctypes.c_uint, ctypes.c_uint, ctypes.c_uint, ctypes.c_uint, ctypes.c_int)
})
self.logger = QOpenGLDebugLogger()
self.logger.initialize()
self.logger.loggedMessages()
self.logger.messageLogged.connect(self.handleLoggedMassage)
self.logger.startLogging()
self.initialize(self.m_gl)
if not self.m_device:
self.m_device = QOpenGLPaintDevice()
self.m_gl.glClear(self.m_gl.GL_COLOR_BUFFER_BIT | self.m_gl.GL_DEPTH_BUFFER_BIT);
self.m_device.setSize(self.size())
painter = QPainter(self.m_device)
painter.beginNativePainting()
self.render(self.m_gl)
painter.endNativePainting()
self.paint(painter)
self.m_context.swapBuffers(self)
if self.m_animating:
self.renderLater()
from PyQt5.QtGui import (QOpenGLContext, QOpenGLVersionProfile,
QOffscreenSurface, QGuiApplication)
app = QGuiApplication([])
surface = QOffscreenSurface()
surface.create()
ctx = QOpenGLContext()
ok = ctx.create()
assert ok
ok = ctx.makeCurrent(surface)
assert ok
print(f"GLES: {ctx.isOpenGLES()}")
vp = QOpenGLVersionProfile()
vp.setVersion(2, 0)
vf = ctx.versionFunctions(vp)
print(f"Vendor: {vf.glGetString(vf.GL_VENDOR)}")
print(f"Renderer: {vf.glGetString(vf.GL_RENDERER)}")
print(f"Version: {vf.glGetString(vf.GL_VERSION)}")
print(
f"Shading language version: {vf.glGetString(vf.GL_SHADING_LANGUAGE_VERSION)}"
)
ctx.doneCurrent()
def detectBestOpenGLVersion(cls):
Logger.log("d", "Trying OpenGL context 4.1...")
ctx = cls.setContext(4, 1, core=True)
if ctx is not None:
fmt = ctx.format()
profile = fmt.profile()
# First test: we hope for this
if ((fmt.majorVersion() == 4 and fmt.minorVersion() >= 1) or
(fmt.majorVersion() >
4)) and profile == QSurfaceFormat.CoreProfile:
Logger.log(
"d", "Yay, we got at least OpenGL 4.1 core: %s",
cls.versionAsText(fmt.majorVersion(), fmt.minorVersion(),
profile))
# https://riverbankcomputing.com/pipermail/pyqt/2017-January/038640.html
# PyQt currently only implements 2.0, 2.1 and 4.1Core
# If eg 4.5Core would be detected and used here, PyQt would not be able to handle it.
major_version = 4
minor_version = 1
# CURA-6092: Check if we're not using software backed 4.1 context; A software 4.1 context
# is much slower than a hardware backed 2.0 context
gl_window = QWindow()
gl_window.setSurfaceType(QWindow.OpenGLSurface)
gl_window.showMinimized()
gl_format = QSurfaceFormat()
gl_format.setMajorVersion(major_version)
gl_format.setMinorVersion(minor_version)
gl_format.setProfile(profile)
gl_context = QOpenGLContext()
gl_context.setFormat(gl_format)
gl_context.create()
gl_context.makeCurrent(gl_window)
gl_profile = QOpenGLVersionProfile()
gl_profile.setVersion(major_version, minor_version)
gl_profile.setProfile(profile)
gl = gl_context.versionFunctions(
gl_profile
) # type: Any #It's actually a protected class in PyQt that depends on the requested profile and the implementation of your graphics card.
gpu_type = "Unknown" # type: str
result = None
if gl:
result = gl.initializeOpenGLFunctions()
if not result:
Logger.log("e",
"Could not initialize OpenGL to get gpu type")
else:
# WORKAROUND: Cura/#1117 Cura-packaging/12
# Some Intel GPU chipsets return a string, which is not undecodable via PyQt5.
# This workaround makes the code fall back to a "Unknown" renderer in these cases.
try:
gpu_type = gl.glGetString(gl.GL_RENDERER) #type: str
except UnicodeDecodeError:
Logger.log(
"e",
"DecodeError while getting GL_RENDERER via glGetString!"
)
Logger.log("d",
"OpenGL renderer type for this OpenGL version: %s",
gpu_type)
if "software" in gpu_type.lower():
Logger.log(
"w",
"Unfortunately OpenGL 4.1 uses software rendering")
else:
return major_version, minor_version, QSurfaceFormat.CoreProfile
else:
Logger.log("d", "Failed to create OpenGL context 4.1.")
# Fallback: check min spec
Logger.log("d", "Trying OpenGL context 2.0...")
ctx = cls.setContext(2, 0, profile=QSurfaceFormat.NoProfile)
if ctx is not None:
fmt = ctx.format()
profile = fmt.profile()
if fmt.majorVersion() >= 2 and fmt.minorVersion() >= 0:
Logger.log(
"d", "We got at least OpenGL context 2.0: %s",
cls.versionAsText(fmt.majorVersion(), fmt.minorVersion(),
profile))
return 2, 0, QSurfaceFormat.NoProfile
else:
Logger.log(
"d", "Current OpenGL context is too low: %s" %
cls.versionAsText(fmt.majorVersion(), fmt.minorVersion(),
profile))
return None, None, None
else:
Logger.log("d", "Failed to create OpenGL context 2.0.")
return None, None, None