12 Mar
2024
12 Mar
'24
11:48 a.m.
This MR adds support for some more OpenGL functionality:
* wglCreateContextAttribsARB * wglShareLists * wgl(Get)SwapIntervalEXT
I originally intended to also include a fix for the translucency issue seen in some compositors, by using EGL_EXT_present_opaque. However, I'll hold off for now since I am seeing some issues with certain hardware and pixel formats when using this extension. Initial investigation indicates it is a problem in Mesa. For anyone who is affected by the translucency issue and wants to try out the patch in their local build anyway, it is at: https://gitlab.winehq.org/afrantzis/wine/-/commit/0685d1d2cfc126e2bb546fe2cd...
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A question for the upcoming work:
In the next OpenGL part I would like to focus on `WGL_ARB_pixel_format`. I was thinking that if a driver implements `wglGetPixelFormatAttribivARB` then it would be possible, in theory at least, to have a default implementation of `wglChoosePixelFormatARB` (and `wglGetPixelFormatAttribfvARB`) in `opengl32`. I am tempted to do this, instead of adding one more driver specific full implementation, although I am not yet sure if there any driver specific considerations or behaviors that would pose issues with such approach. Thoughts?
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v2: winewayland.drv: Implement wgl(Get)SwapIntervalEXT.
winewayland.drv: Implement wglShareLists.
winewayland.drv: Implement wglCreateContextAttribsARB.
https://gitlab.winehq.org/wine/wine/-/merge_requests/5264