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don't call endFrame() unless beginFrame() was called

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only use condition_variable on non-emscripten builds
This commit is contained in:
Nick Fisher
2025-06-03 16:39:04 +08:00
parent 28aef7e5cc
commit e147e59d8d
6 changed files with 41 additions and 28 deletions
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26
thermion_dart/native/src/RenderTicker.cpp
View File

@@ -65,16 +65,19 @@ namespace thermion
bool RenderTicker::render(uint64_t frameTimeInNanos)
{
auto startTime = std::chrono::high_resolution_clock::now();
bool rendered = false;
std::lock_guard lock(mMutex);
for (auto animationManager : mAnimationManagers) {
animationManager->update(frameTimeInNanos);
TRACE("Updated AnimationManager");
}
auto durationNs = std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::high_resolution_clock::now() - mLastRender).count() / 1e6f;
TRACE("Updated animations in %.3f ms", durationNs);
int numRendered = 0;
#ifdef ENABLE_TRACING
int numRendered = 0;
TRACE("%d swapchains", mRenderable.size());
#endif
@@ -87,22 +90,21 @@ namespace thermion
bool beginFrame = mRenderer->beginFrame(swapChain, frameTimeInNanos);
if (beginFrame)
{
rendered = true;
auto durationNs = std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::high_resolution_clock::now() - mLastRender).count() / 1e6f;
numRendered++;
durationNs = std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::high_resolution_clock::now() - mLastRender).count() / 1e6f;
TRACE("Beginning frame (%.3f ms since last endFrame())", durationNs);
for (auto view : views)
{
mRenderer->render(view);
}
mLastRender = std::chrono::high_resolution_clock::now();
mLastRender = std::chrono::high_resolution_clock::now();
mRenderer->endFrame();
} else {
auto durationNs = std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::high_resolution_clock::now() - mLastRender).count() / 1e6f;
durationNs = std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::high_resolution_clock::now() - mLastRender).count() / 1e6f;
TRACE("Skipping frame (%.3f ms since last endFrame())", durationNs);
}
mRenderer->endFrame();
#ifdef ENABLE_TRACING
numRendered++;
} else {
TRACE("No views for swapchain");
}
@@ -115,11 +117,11 @@ namespace thermion
mEngine->execute();
#endif
auto endTime = std::chrono::high_resolution_clock::now();
auto durationNs = std::chrono::duration_cast<std::chrono::nanoseconds>(endTime - startTime).count();
durationNs = std::chrono::duration_cast<std::chrono::nanoseconds>(endTime - startTime).count();
float durationMs = durationNs / 1e6f;
TRACE("Total render() time: %.3f ms", durationMs);
return rendered;
return numRendered > 0;
}
void RenderTicker::addAnimationManager(AnimationManager* animationManager) {

15
thermion_dart/native/src/rendering/RenderThread.cpp
View File

@@ -27,20 +27,23 @@ static void mainLoop(void* arg) {
auto startTime = std::chrono::high_resolution_clock::now();
auto timeSinceLastLoopStart = std::chrono::duration_cast<std::chrono::milliseconds>(startTime - loopStart).count();
if(timeSinceLastLoopStart > 20) {
Log("%dms elapsed since last loop", timeSinceLastLoopStart);
}
// if(timeSinceLastLoopStart > 20) {
// Log("%dms elapsed since last loop", timeSinceLastLoopStart);
// }
loopStart = startTime;
rt->mRendered = false;
long long elapsed = 0;
int numIters = 0;
while (!rt->_stop && elapsed < 10) {
while (!rt->_stop && elapsed < 12) {
rt->iter();
numIters++;
auto now = std::chrono::high_resolution_clock::now();
elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(now - startTime).count();
}
// Log("Spent %lldms processing, %d iters", elapsed, numIters);
// if(!rt->mRendered) {
// Log("Spent %lldms processing, %d iters, rendered %s, render requested %s, context lost %s", elapsed, numIters, rt->mRendered ? "true" : "false", rt->mRender ? "true" : "false", emscripten_is_webgl_context_lost(Thermion_getGLContext()) ? "yes" : "no");
// }
if(rt->_stop) {
Log("RenderThread stopped")
emscripten_set_main_loop_arg(nullptr, nullptr, 0, true);
@@ -109,7 +112,9 @@ void RenderThread::requestFrame()
TRACE("Warning - frame requested before previous frame has completed rendering");
}
mRender = true;
#ifndef __EMSCRIPTEN__
_cv.notify_one();
#endif
}
void RenderThread::iter()