cpp/openttd-patchpack/source Changeset - r25220:a34535764b80

Changeset - r25220:a34535764b80

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Michael Lutz - 3 years ago 2021-04-21 20:57:09
michi@icosahedron.de

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

1 file changed with 10 insertions and 2 deletions:

src/video/win32_v.cpp

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src/video/win32_v.cpp

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@@ @@ -1360,14 +1360,22 @@ const char *VideoDriver_Win32OpenGL::All @@
 	/* 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.
 		};
 		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) {

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