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Python QOpenGLContext.isOpenGLES方法代码示例

本文整理汇总了Python中PyQt5.QtGui.QOpenGLContext.isOpenGLES方法的典型用法代码示例。如果您正苦于以下问题:Python QOpenGLContext.isOpenGLES方法的具体用法?Python QOpenGLContext.isOpenGLES怎么用?Python QOpenGLContext.isOpenGLES使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在PyQt5.QtGui.QOpenGLContext的用法示例。


在下文中一共展示了QOpenGLContext.isOpenGLES方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: opengl_vendor

# 需要导入模块: from PyQt5.QtGui import QOpenGLContext [as 别名]
# 或者: from PyQt5.QtGui.QOpenGLContext import isOpenGLES [as 别名]
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)
开发者ID:mehak,项目名称:qutebrowser,代码行数:56,代码来源:version.py

示例2: opengl_vendor

# 需要导入模块: from PyQt5.QtGui import QOpenGLContext [as 别名]
# 或者: from PyQt5.QtGui.QOpenGLContext import isOpenGLES [as 别名]
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)
开发者ID:swalladge,项目名称:qutebrowser,代码行数:50,代码来源:version.py


注:本文中的PyQt5.QtGui.QOpenGLContext.isOpenGLES方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。