本文整理汇总了C++中GraphicsContext3D::clear方法的典型用法代码示例。如果您正苦于以下问题：C++ GraphicsContext3D::clear方法的具体用法？C++ GraphicsContext3D::clear怎么用？C++ GraphicsContext3D::clear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GraphicsContext3D的用法示例。
在下文中一共展示了GraphicsContext3D::clear方法的1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: paintToCurrentGLContext
void CoordinatedGraphicsScene::paintToCurrentGLContext(const TransformationMatrix& matrix, float opacity, const FloatRect& clipRect, const Color& backgroundColor, bool drawsBackground, const FloatPoint& contentPosition, TextureMapper::PaintFlags PaintFlags)
{
if (!m_textureMapper) {
m_textureMapper = TextureMapper::create();
static_cast<TextureMapperGL*>(m_textureMapper.get())->setEnableEdgeDistanceAntialiasing(true);
}
syncRemoteContent();
adjustPositionForFixedLayers(contentPosition);
TextureMapperLayer* currentRootLayer = rootLayer();
if (!currentRootLayer)
return;
#if USE(COORDINATED_GRAPHICS_THREADED)
for (auto& proxy : m_platformLayerProxies.values())
proxy->swapBuffer();
#endif
currentRootLayer->setTextureMapper(m_textureMapper.get());
currentRootLayer->applyAnimationsRecursively();
m_textureMapper->beginPainting(PaintFlags);
m_textureMapper->beginClip(TransformationMatrix(), clipRect);
if (drawsBackground) {
RGBA32 rgba = makeRGBA32FromFloats(backgroundColor.red(),
backgroundColor.green(), backgroundColor.blue(),
backgroundColor.alpha() * opacity);
m_textureMapper->drawSolidColor(clipRect, TransformationMatrix(), Color(rgba));
} else {
GraphicsContext3D* context = static_cast<TextureMapperGL*>(m_textureMapper.get())->graphicsContext3D();
context->clearColor(m_viewBackgroundColor.red() / 255.0f, m_viewBackgroundColor.green() / 255.0f, m_viewBackgroundColor.blue() / 255.0f, m_viewBackgroundColor.alpha() / 255.0f);
context->clear(GraphicsContext3D::COLOR_BUFFER_BIT);
}
if (currentRootLayer->opacity() != opacity || currentRootLayer->transform() != matrix) {
currentRootLayer->setOpacity(opacity);
currentRootLayer->setTransform(matrix);
}
currentRootLayer->paint();
m_fpsCounter.updateFPSAndDisplay(*m_textureMapper, clipRect.location(), matrix);
m_textureMapper->endClip();
m_textureMapper->endPainting();
if (currentRootLayer->descendantsOrSelfHaveRunningAnimations()) {
RefPtr<CoordinatedGraphicsScene> protector(this);
dispatchOnClientRunLoop([=] {
protector->updateViewport();
});
}
}