Closed r58Playz closed 2 years ago
Opengl profiler uses the CGL macro mechanisms to redirect the entry points for all opengl calls and exit points. I don’t think we’d ever be able to get that to work with MGL
CGL relies on the original Apple OpenGL framework.
I used the same dispatch mechanism for Open calls with a dispatch table you could probably do something similar and intercept the dispatch table. The reason I did that was you could allow for multiple versions of opengl to be used like having a 3.3 compliant and a 4.6 compliant set and use the dispatch table to define the entry points
Mike
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On Aug 8, 2022, at 7:03 PM, r58Playz @.***> wrote:
Currently trying to get MC running using MGL.
1.17 and onwards are suprisingly very close to working, with the glUniform* set of functions remaining.
The OpenGL Profiler by apple seems to hang MC so the list of OpenGL commands (here) that I'm using might be inaccurate.
One of the functions I found while profiling MC is CGLGetParameter. What is this function and can it be implemented in MGL? It doesn't seem to be referenced anywhere in the MGL codebase.
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I might be able to fiddle with the library minecraft uses for it's OpenGL (LWJGL) and redirect to an custom implementation.
Just need to find why MC needs it...
You could spoof the library, we did this to debug some games by replacing the OpenGL framework with a library… but I am not sure how that would work with signed frameworks.
Mike
On Aug 8, 2022, at 7:43 PM, r58Playz @.***> wrote:
I might be able to fiddle with the library minecraft uses for it's OpenGL (LWJGL) and redirect to an custom implementation.
Just need to find why MC needs it...
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Currently trying to get MC running using MGL.
1.17 and onwards are suprisingly very close to working, with the
glUniform*
set of functions remaining.The OpenGL Profiler by apple seems to hang MC so the list of OpenGL commands (here) that I'm using might be inaccurate.
One of the functions I found while profiling MC is CGLGetParameter. What is this function and can it be implemented in MGL? It doesn't seem to be referenced anywhere in the MGL codebase.