diff options
Diffstat (limited to 'indra/llrender')
| -rw-r--r-- | indra/llrender/llimagegl.cpp | 50 |
1 files changed, 31 insertions, 19 deletions
diff --git a/indra/llrender/llimagegl.cpp b/indra/llrender/llimagegl.cpp index 0a5d258b3a..04974d9122 100644 --- a/indra/llrender/llimagegl.cpp +++ b/indra/llrender/llimagegl.cpp @@ -1624,26 +1624,38 @@ void LLImageGL::syncToMainThread(LLGLuint new_tex_name) LL_PROFILE_ZONE_NAMED("cglt - sync"); if (gGLManager.mHasSync) { - // post a sync to the main thread (will execute before tex name swap lambda below) - // glFlush calls here are partly superstitious and partly backed by observation - // on AMD hardware - glFlush(); - auto sync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0); - glFlush(); - LL::WorkQueue::postMaybe( - mMainQueue, - [=]() - { - LL_PROFILE_ZONE_NAMED("cglt - wait sync"); - { - LL_PROFILE_ZONE_NAMED("glWaitSync"); - glWaitSync(sync, 0, GL_TIMEOUT_IGNORED); - } + if (gGLManager.mIsNVIDIA) + { + // wait for texture upload to finish before notifying main thread + // upload is complete + auto sync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0); + glFlush(); + glClientWaitSync(sync, 0, GL_TIMEOUT_IGNORED); + glDeleteSync(sync); + } + else + { + // post a sync to the main thread (will execute before tex name swap lambda below) + // glFlush calls here are partly superstitious and partly backed by observation + // on AMD hardware + glFlush(); + auto sync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0); + glFlush(); + LL::WorkQueue::postMaybe( + mMainQueue, + [=]() { - LL_PROFILE_ZONE_NAMED("glDeleteSync"); - glDeleteSync(sync); - } - }); + LL_PROFILE_ZONE_NAMED("cglt - wait sync"); + { + LL_PROFILE_ZONE_NAMED("glWaitSync"); + glWaitSync(sync, 0, GL_TIMEOUT_IGNORED); + } + { + LL_PROFILE_ZONE_NAMED("glDeleteSync"); + glDeleteSync(sync); + } + }); + } } else { |