本文整理汇总了C++中LayerRenderState::YFlipped方法的典型用法代码示例。如果您正苦于以下问题：C++ LayerRenderState::YFlipped方法的具体用法？C++ LayerRenderState::YFlipped怎么用？C++ LayerRenderState::YFlipped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LayerRenderState的用法示例。
在下文中一共展示了LayerRenderState::YFlipped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C++代码示例。
示例1: LOGD
//.........这里部分代码省略.........
// | -1 0 |
//
hwcLayer.transform = HWC_TRANSFORM_ROT_270;
LOGD("Layer rotated 270 degrees");
}
else {
// Vertical reflection then 90 degree rotation
//
// | 0 1 | | -1 0 | = | 0 1 |
// | -1 0 | | 0 1 | | 1 0 |
//
// Same as horizontal reflection then 270 degree rotation
//
// | 0 -1 | | 1 0 | = | 0 1 |
// | 1 0 | | 0 -1 | | 1 0 |
//
hwcLayer.transform = HWC_TRANSFORM_ROT_90 | HWC_TRANSFORM_FLIP_V;
LOGD("Layer horizontally reflected then rotated 270 degrees");
}
}
} else if (rotation.xx < 0) {
if (rotation.yy > 0) {
// Horizontal reflection
//
// | -1 0 |
// | 0 1 |
//
hwcLayer.transform = HWC_TRANSFORM_FLIP_H;
LOGD("Layer rotated 180 degrees");
}
else {
// 180 degree rotation
//
// | -1 0 |
// | 0 -1 |
//
// Same as horizontal and vertical reflection
//
// | -1 0 | | 1 0 | = | -1 0 |
// | 0 1 | | 0 -1 | | 0 -1 |
//
hwcLayer.transform = HWC_TRANSFORM_ROT_180;
LOGD("Layer rotated 180 degrees");
}
} else {
if (rotation.yy < 0) {
// Vertical reflection
//
// | 1 0 |
// | 0 -1 |
//
hwcLayer.transform = HWC_TRANSFORM_FLIP_V;
LOGD("Layer rotated 180 degrees");
}
else {
// No rotation or reflection
//
// | 1 0 |
// | 0 1 |
//
hwcLayer.transform = 0;
}
}
if (state.YFlipped()) {
// Invert vertical reflection flag if it was already set
hwcLayer.transform ^= HWC_TRANSFORM_FLIP_V;
}
hwc_region_t region;
if (visibleRegion.GetNumRects() > 1) {
mVisibleRegions.push_back(HwcUtils::RectVector());
HwcUtils::RectVector* visibleRects = &(mVisibleRegions.back());
if(!HwcUtils::PrepareVisibleRegion(visibleRegion,
transform * aGLWorldTransform,
clip,
bufferRect,
visibleRects)) {
return true;
}
region.numRects = visibleRects->size();
region.rects = &((*visibleRects)[0]);
} else {
region.numRects = 1;
region.rects = &(hwcLayer.displayFrame);
}
hwcLayer.visibleRegionScreen = region;
} else {
hwcLayer.flags |= HwcUtils::HWC_COLOR_FILL;
ColorLayer* colorLayer = aLayer->AsColorLayer();
if (colorLayer->GetColor().a < 1.0) {
LOGD("Color layer has semitransparency which is unsupported");
return false;
}
hwcLayer.transform = colorLayer->GetColor().Packed();
}
mHwcLayerMap.AppendElement(static_cast<LayerComposite*>(aLayer->ImplData()));
mList->numHwLayers++;
return true;
}示例2: if
//.........这里部分代码省略.........
return true;
}
LayerOGL* layerGL = static_cast<LayerOGL*>(aLayer->ImplData());
LayerRenderState state = layerGL->GetRenderState();
if (!state.mSurface ||
state.mSurface->type() != SurfaceDescriptor::TSurfaceDescriptorGralloc) {
if (aLayer->AsColorLayer() && mColorFill) {
fillColor = true;
} else {
LOGD("Layer doesn't have a gralloc buffer");
return false;
}
}
if (state.BufferRotated()) {
LOGD("Layer has a rotated buffer");
return false;
}
// OK! We can compose this layer with hwc.
int current = mList ? mList->numHwLayers : 0;
if (!mList || current >= mMaxLayerCount) {
if (!ReallocLayerList() || current >= mMaxLayerCount) {
LOGE("PrepareLayerList failed! Could not increase the maximum layer count");
return false;
}
}
sp<GraphicBuffer> buffer = fillColor ? nullptr : GrallocBufferActor::GetFrom(*state.mSurface);
nsIntRect visibleRect = visibleRegion.GetBounds();
nsIntRect bufferRect;
if (fillColor) {
bufferRect = nsIntRect(visibleRect);
} else {
if(state.mHasOwnOffset) {
bufferRect = nsIntRect(state.mOffset.x, state.mOffset.y,
int(buffer->getWidth()), int(buffer->getHeight()));
} else {
bufferRect = nsIntRect(visibleRect.x, visibleRect.y,
int(buffer->getWidth()), int(buffer->getHeight()));
}
}
hwc_layer_t& hwcLayer = mList->hwLayers[current];
if(!PrepareLayerRects(visibleRect,
transform * aGLWorldTransform,
clip,
bufferRect,
&(hwcLayer.sourceCrop),
&(hwcLayer.displayFrame)))
{
return true;
}
buffer_handle_t handle = fillColor ? nullptr : buffer->getNativeBuffer()->handle;
hwcLayer.handle = handle;
hwcLayer.flags = 0;
hwcLayer.hints = 0;
hwcLayer.blending = HWC_BLENDING_NONE;
hwcLayer.compositionType = HWC_USE_COPYBIT;
if (!fillColor) {
gfxMatrix rotation = transform * aGLWorldTransform;
// Compute fuzzy equal like PreservesAxisAlignedRectangles()
if (fabs(rotation.xx) < 1e-6) {
if (rotation.xy < 0) {
hwcLayer.transform = HWC_TRANSFORM_ROT_90;
LOGD("Layer buffer rotated 90 degrees");
} else {
hwcLayer.transform = HWC_TRANSFORM_ROT_270;
LOGD("Layer buffer rotated 270 degrees");
}
} else if (rotation.xx < 0) {
hwcLayer.transform = HWC_TRANSFORM_ROT_180;
LOGD("Layer buffer rotated 180 degrees");
} else {
hwcLayer.transform = 0;
}
hwcLayer.transform |= state.YFlipped() ? HWC_TRANSFORM_FLIP_V : 0;
hwc_region_t region;
region.numRects = 1;
region.rects = &(hwcLayer.displayFrame);
hwcLayer.visibleRegionScreen = region;
} else {
hwcLayer.flags |= HWC_COLOR_FILL;
ColorLayer* colorLayer = static_cast<ColorLayer*>(layerGL->GetLayer());
hwcLayer.transform = colorLayer->GetColor().Packed();
}
mList->numHwLayers++;
return true;
}