本文整理汇总了C++中QPlatformWindowFormat::setDoubleBuffer方法的典型用法代码示例。如果您正苦于以下问题：C++ QPlatformWindowFormat::setDoubleBuffer方法的具体用法？C++ QPlatformWindowFormat::setDoubleBuffer怎么用？C++ QPlatformWindowFormat::setDoubleBuffer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类QPlatformWindowFormat的用法示例。
在下文中一共展示了QPlatformWindowFormat::setDoubleBuffer方法的3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C++代码示例。
示例1: toPlatformWindowFormat
/*!
\since 4.8
Returns a platform window format for the OpenGL format specified by \a format.
*/
QPlatformWindowFormat QGLFormat::toPlatformWindowFormat(const QGLFormat &format)
{
QPlatformWindowFormat retFormat;
retFormat.setAccum(format.accum());
if (format.accumBufferSize() >= 0)
retFormat.setAccumBufferSize(format.accumBufferSize());
retFormat.setAlpha(format.alpha());
if (format.alphaBufferSize() >= 0)
retFormat.setAlphaBufferSize(format.alphaBufferSize());
if (format.blueBufferSize() >= 0)
retFormat.setBlueBufferSize(format.blueBufferSize());
retFormat.setDepth(format.depth());
if (format.depthBufferSize() >= 0)
retFormat.setDepthBufferSize(format.depthBufferSize());
retFormat.setDirectRendering(format.directRendering());
retFormat.setDoubleBuffer(format.doubleBuffer());
if (format.greenBufferSize() >= 0)
retFormat.setGreenBufferSize(format.greenBufferSize());
if (format.redBufferSize() >= 0)
retFormat.setRedBufferSize(format.redBufferSize());
retFormat.setRgba(format.rgba());
retFormat.setSampleBuffers(format.sampleBuffers());
if (format.samples() >= 0)
retFormat.setSamples(format.samples());
retFormat.setStencil(format.stencil());
if (format.stencilBufferSize() >= 0)
retFormat.setStencilBufferSize(format.stencilBufferSize());
retFormat.setStereo(format.stereo());
retFormat.setSwapInterval(format.swapInterval());
return retFormat;
}示例2: qt_qPlatformWindowFormatFromConfig
QPlatformWindowFormat qt_qPlatformWindowFormatFromConfig(EGLDisplay display, const EGLConfig config)
{
QPlatformWindowFormat format;
EGLint redSize = 0;
EGLint greenSize = 0;
EGLint blueSize = 0;
EGLint alphaSize = 0;
EGLint depthSize = 0;
EGLint stencilSize = 0;
EGLint sampleCount = 0;
EGLint level = 0;
eglGetConfigAttrib(display, config, EGL_RED_SIZE, &redSize);
eglGetConfigAttrib(display, config, EGL_GREEN_SIZE, &greenSize);
eglGetConfigAttrib(display, config, EGL_BLUE_SIZE, &blueSize);
eglGetConfigAttrib(display, config, EGL_ALPHA_SIZE, &alphaSize);
eglGetConfigAttrib(display, config, EGL_DEPTH_SIZE, &depthSize);
eglGetConfigAttrib(display, config, EGL_STENCIL_SIZE, &stencilSize);
eglGetConfigAttrib(display, config, EGL_SAMPLES, &sampleCount);
eglGetConfigAttrib(display, config, EGL_LEVEL, &level);
format.setRedBufferSize(redSize);
format.setGreenBufferSize(greenSize);
format.setBlueBufferSize(blueSize);
format.setAlphaBufferSize(alphaSize);
format.setDepthBufferSize(depthSize);
format.setStencilBufferSize(stencilSize);
format.setSamples(sampleCount);
format.setDirectRendering(true); // All EGL contexts are direct-rendered
format.setRgba(true); // EGL doesn't support colour index rendering
format.setStereo(false); // EGL doesn't support stereo buffers
format.setAccumBufferSize(0); // EGL doesn't support accululation buffers
format.setDoubleBuffer(true);
// Clear the EGL error state because some of the above may
// have errored out because the attribute is not applicable
// to the surface type. Such errors don't matter.
eglGetError();
return format;
}示例3: qglx_reducePlatformWindowFormat
QPlatformWindowFormat qglx_reducePlatformWindowFormat(const QPlatformWindowFormat &format, bool *reduced)
{
QPlatformWindowFormat retFormat = format;
*reduced = true;
if (retFormat.sampleBuffers()) {
retFormat.setSampleBuffers(false);
} else if (retFormat.stereo()) {
retFormat.setStereo(false);
} else if (retFormat.accum()) {
retFormat.setAccum(false);
}else if (retFormat.stencil()) {
retFormat.setStencil(false);
}else if (retFormat.alpha()) {
retFormat.setAlpha(false);
}else if (retFormat.depth()) {
retFormat.setDepth(false);
}else if (retFormat.doubleBuffer()) {
retFormat.setDoubleBuffer(false);
}else{
*reduced = false;
}
return retFormat;
}