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opengl: Don't attempt to use adaptive swap interval on old AMD drivers.

This commit is contained in:
Alex 2022-12-04 01:11:17 +03:00
parent 73398e07a8
commit 7d2f83ea29
1 changed files with 24 additions and 7 deletions
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35
include/gl_utils.h
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@ -106,23 +106,40 @@ public:
#elif defined( _WIN32 )
if( wglSwapIntervalEXT && wxGLCanvas::IsExtensionSupported( "WGL_EXT_swap_control" ) )
{
if( aVal == -1 && !wxGLCanvas::IsExtensionSupported( "WGL_EXT_swap_control_tear" ) )
aVal = 1;
const GLubyte* vendor = glGetString( GL_VENDOR );
const GLubyte* renderer = glGetString( GL_RENDERER );
const GLubyte* version = glGetString( GL_VERSION );
if( wglSwapIntervalEXT && wxGLCanvas::IsExtensionSupported( "WGL_EXT_swap_control" ) )
{
wxString vendorStr = vendor;
wxString versionStr = version;
if( aVal == -1 && ( !wxGLCanvas::IsExtensionSupported( "WGL_EXT_swap_control_tear" ) ) )
aVal = 1;
// Trying to enable adaptive swapping on AMD drivers from 2017 or older leads to crash
if( aVal == -1 && vendorStr == wxS( "ATI Technologies Inc." ) )
{
wxArrayString parts = wxSplit( versionStr.AfterLast( ' ' ), '.', NULL );
if( parts.size() == 4 )
{
int majorVer = 0;
if( parts[0].ToInt( &majorVer ) )
{
if( majorVer <= 22 )
aVal = 1;
}
}
}
HDC hdc = wglGetCurrentDC();
HGLRC hglrc = wglGetCurrentContext();
if( hdc && hglrc )
{
// Mostly for debugging
wxString vendor_wx = vendor;
wxString renderer_wx = renderer;
int currentInterval = wglGetSwapIntervalEXT();
if( currentInterval != aVal )