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Codechange: [Win32] Try getting an OpenGL 4.5 context first before aiming at 3.2.

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This commit is contained in:
Michael Lutz 2021-04-21 22:57:09 +02:00
parent 9fa38f5d0f
commit ef80baf75c
1 changed files with 10 additions and 2 deletions
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12
src/video/win32_v.cpp
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@ -1360,14 +1360,22 @@ const char *VideoDriver_Win32OpenGL::AllocateContext()
/* Create OpenGL device context. Try to get an 3.2+ context if possible. */ /* Create OpenGL device context. Try to get an 3.2+ context if possible. */
if (_wglCreateContextAttribsARB != nullptr) { if (_wglCreateContextAttribsARB != nullptr) {
/* Try for OpenGL 4.5 first. */
int attribs[] = { int attribs[] = {
WGL_CONTEXT_MAJOR_VERSION_ARB, 3, WGL_CONTEXT_MAJOR_VERSION_ARB, 4,
WGL_CONTEXT_MINOR_VERSION_ARB, 2, WGL_CONTEXT_MINOR_VERSION_ARB, 5,
WGL_CONTEXT_FLAGS_ARB, _debug_driver_level >= 8 ? WGL_CONTEXT_DEBUG_BIT_ARB : 0, 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. _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 0
}; };
rc = _wglCreateContextAttribsARB(this->dc, nullptr, attribs); 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) { if (rc == nullptr) {