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Votes
0
Found in
2019.1.0a10
2019.4
2020.1
2020.1.3f1
2020.2
Issue ID
1273183
Regression
Yes
[Metal] Crash on glEnable when calling glEnable(GL_POINT_SMOOTH) in OnPreRender
Steps to reproduce:
1. Open the attached project ("StrippedScene.zip")
2. Open "SampleScene"
3. Enter Play mode
Reproducible with: 2019.1.0a10, 2019.4.8f1, 2020.1.4f1, 2020.2.0b2
Not reproducible with: 2018.4.23f1, 2019.1.0a9
Notes:
- Doesn't reproduce on OSX with OpenGLCore
- Doesn't reproduce on Windows with DX11, DX12, Vulkan
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Resolution Note (2020.2.X):
You can't expect to lookup glEnable function manually from a system OpenGL library, store the current OpenGL renderer status into a boolean, and then call glEnable without the check in question. Some OpenGL driver implementations might give a free pass on this if there is no OpenGL context set available at all, but don't count on it.
void OnPreRender()
{
if (mIsOpenGL)
glEnable(GL_VERTEX_PROGRAM_POINT_SIZE);
glEnable(GL_POINT_SMOOTH);
}