PaintInfo(const CefRenderHandler::RectList& dirtyRects, const void* buffer, int width, int height)
{
windowRegion.x = 0;
windowRegion.y = 0;
windowRegion.w = width;
windowRegion.h = height;
this->buffer = buffer;
if (dirtyRects.size() == 1 && dirtyRects[0].x == 0 && dirtyRects[0].y == 0 && dirtyRects[0].width == width && dirtyRects[0].height == height)
{
regionCount = 0;
invalidatedRegions = NULL;
}
else
{
regionCount = dirtyRects.size();
for (int x = 0; x < regionCount; ++x)
{
ChromiumDLL::ChromiumRegionInfo ri;
ri.x = dirtyRects[x].x;
ri.y = dirtyRects[x].y;
ri.w = dirtyRects[x].width;
ri.h = dirtyRects[x].height;
m_vRegionInfo.push_back(ri);
}
invalidatedRegions = &m_vRegionInfo[0];
}
}
void ClientOSRenderer::OnPaint(CefRefPtr<CefBrowser> browser,
CefRenderHandler::PaintElementType type,
const CefRenderHandler::RectList& dirtyRects,
const void* buffer, int width, int height) {
if (!initialized_)
Initialize();
if (transparent_) {
// Enable alpha blending.
glEnable(GL_BLEND); VERIFY_NO_ERROR;
}
// Enable 2D textures.
glEnable(GL_TEXTURE_2D); VERIFY_NO_ERROR;
DCHECK_NE(texture_id_, 0U);
glBindTexture(GL_TEXTURE_2D, texture_id_); VERIFY_NO_ERROR;
if (type == PET_VIEW) {
int old_width = view_width_;
int old_height = view_height_;
view_width_ = width;
view_height_ = height;
{
int linebyte = (((width << 5) + 31) >> 5) << 2;
int lineInval = 4 - ((width << 5) >> 3) & 3;
}
if (show_update_rect_)
update_rect_ = dirtyRects[0];
glPixelStorei(GL_UNPACK_ROW_LENGTH, view_width_); VERIFY_NO_ERROR;
if (old_width != view_width_ || old_height != view_height_ ||
(dirtyRects.size() == 1 &&
dirtyRects[0] == CefRect(0, 0, view_width_, view_height_))) {
// Update/resize the whole texture.
glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0); VERIFY_NO_ERROR;
glPixelStorei(GL_UNPACK_SKIP_ROWS, 0); VERIFY_NO_ERROR;
test32Bmp(buffer, width, height);
glTexImage2D(
GL_TEXTURE_2D, 0, GL_RGBA, view_width_, view_height_, 0,
GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, buffer); VERIFY_NO_ERROR;
} else {
// Update just the dirty rectangles.
CefRenderHandler::RectList::const_iterator i = dirtyRects.begin();
for (; i != dirtyRects.end(); ++i) {
const CefRect& rect = *i;
glPixelStorei(GL_UNPACK_SKIP_PIXELS, rect.x); VERIFY_NO_ERROR;
glPixelStorei(GL_UNPACK_SKIP_ROWS, rect.y); VERIFY_NO_ERROR;
test32Bmp(buffer, width, height);
glTexSubImage2D(GL_TEXTURE_2D, 0, rect.x, rect.y, rect.width,
rect.height, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV,
buffer); VERIFY_NO_ERROR;
}
}
} else if (type == PET_POPUP && popup_rect_.width > 0 &&
void FCEFWebBrowserWindow::OnPaint(CefRenderHandler::PaintElementType Type, const CefRenderHandler::RectList& DirtyRects, const void* Buffer, int Width, int Height)
{
bool bNeedsRedraw = false;
if (UpdatableTextures[Type] == nullptr && FSlateApplication::IsInitialized() && FSlateApplication::Get().GetRenderer().IsValid())
{
UpdatableTextures[Type] = FSlateApplication::Get().GetRenderer()->CreateUpdatableTexture(Width,Height);
}
if (UpdatableTextures[Type] != nullptr)
{
// Note that with more recent versions of CEF, the DirtyRects will always contain a single element, as it merges all dirty areas into a single rectangle before calling OnPaint
// In case that should change in the future, we'll simply update the entire area if DirtyRects is not a single element.
FIntRect Dirty = (DirtyRects.size() == 1) ? FIntRect(DirtyRects[0].x, DirtyRects[0].y, DirtyRects[0].x + DirtyRects[0].width, DirtyRects[0].y + DirtyRects[0].height) : FIntRect();
if (Type == PET_VIEW && BufferedVideo.IsValid() )
{
// If we're using bufferedVideo, submit the frame to it
bNeedsRedraw = BufferedVideo->SubmitFrame(Width, Height, Buffer, Dirty);
}
else
{
UpdatableTextures[Type]->UpdateTextureThreadSafeRaw(Width, Height, Buffer, Dirty);
if (Type == PET_POPUP && bShowPopupRequested)
{
bShowPopupRequested = false;
bPopupHasFocus = true;
FIntPoint PopupSize = FIntPoint(Width, Height);
FIntRect PopupRect = FIntRect(PopupPosition, PopupPosition + PopupSize);
OnShowPopup().Broadcast(PopupRect);
}
bNeedsRedraw = true;
}
}
bIsInitialized = true;
if (bNeedsRedraw)
{
NeedsRedrawEvent.Broadcast();
}
}