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| author | Michael Lutz <michi@icosahedron.de> | 2021-04-21 22:57:09 +0200 |
|---|---|---|
| committer | Michael Lutz <michi@icosahedron.de> | 2021-04-22 21:04:04 +0200 |
| commit | ef80baf75c20410358a0d39c02b7f76e714abf86 (patch) | |
| tree | 283ba86c3f521b80ad4eed2c81a92ce92594e01a /src/video | |
| parent | 9fa38f5d0f3b1bd67028a8d9d5ff06eed1a31cdf (diff) | |
| download | openttd-ef80baf75c20410358a0d39c02b7f76e714abf86.tar.xz | |
Codechange: [Win32] Try getting an OpenGL 4.5 context first before aiming at 3.2.
Diffstat (limited to 'src/video')
| -rw-r--r-- | src/video/win32_v.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/video/win32_v.cpp b/src/video/win32_v.cpp index 19e186ae2..1dc1db8ce 100644 --- a/src/video/win32_v.cpp +++ b/src/video/win32_v.cpp @@ -1360,14 +1360,22 @@ const char *VideoDriver_Win32OpenGL::AllocateContext() /* Create OpenGL device context. Try to get an 3.2+ context if possible. */ if (_wglCreateContextAttribsARB != nullptr) { + /* Try for OpenGL 4.5 first. */ int attribs[] = { - WGL_CONTEXT_MAJOR_VERSION_ARB, 3, - WGL_CONTEXT_MINOR_VERSION_ARB, 2, + WGL_CONTEXT_MAJOR_VERSION_ARB, 4, + WGL_CONTEXT_MINOR_VERSION_ARB, 5, WGL_CONTEXT_FLAGS_ARB, _debug_driver_level >= 8 ? WGL_CONTEXT_DEBUG_BIT_ARB : 0, _hasWGLARBCreateContextProfile ? WGL_CONTEXT_PROFILE_MASK_ARB : 0, WGL_CONTEXT_CORE_PROFILE_BIT_ARB, // Terminate list if WGL_ARB_create_context_profile isn't supported. 0 }; rc = _wglCreateContextAttribsARB(this->dc, nullptr, attribs); + + if (rc == nullptr) { + /* Try again for a 3.2 context. */ + attribs[1] = 3; + attribs[3] = 2; + rc = _wglCreateContextAttribsARB(this->dc, nullptr, attribs); + } } if (rc == nullptr) { |