Frontend: Remove tracking for context wrapper

This commit is contained in:
James Rowe 2020-05-11 23:50:03 -06:00
parent 1beaebe666
commit 1585981eec
1 changed files with 8 additions and 8 deletions

View File

@ -150,18 +150,19 @@ public:
} }
void MakeCurrent() override { void MakeCurrent() override {
if (is_current) { // We can't track the current state of the underlying context in this wrapper class because
return; // Qt may make the underlying context not current for one reason or another. In particular,
// the WebBrowser uses GL, so it seems to conflict if we aren't careful.
// Instead of always just making the context current (which does not have any caching to
// check if the underlying context is already current) we can check for the current context
// in the thread local data by calling `currentContext()` and checking if its ours.
if (QOpenGLContext::currentContext() != context.get()) {
context->makeCurrent(surface);
} }
is_current = context->makeCurrent(surface);
} }
void DoneCurrent() override { void DoneCurrent() override {
if (!is_current) {
return;
}
context->doneCurrent(); context->doneCurrent();
is_current = false;
} }
QOpenGLContext* GetShareContext() { QOpenGLContext* GetShareContext() {
@ -178,7 +179,6 @@ private:
std::unique_ptr<QOpenGLContext> context; std::unique_ptr<QOpenGLContext> context;
std::unique_ptr<QOffscreenSurface> offscreen_surface{}; std::unique_ptr<QOffscreenSurface> offscreen_surface{};
QSurface* surface; QSurface* surface;
bool is_current = false;
}; };
class DummyContext : public Core::Frontend::GraphicsContext {}; class DummyContext : public Core::Frontend::GraphicsContext {};