diff options
Diffstat (limited to 'src/plugins/platforms/ios/qioscontext.mm')
| -rw-r--r-- | src/plugins/platforms/ios/qioscontext.mm | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/plugins/platforms/ios/qioscontext.mm b/src/plugins/platforms/ios/qioscontext.mm index fe0ca33c13..8bdb4bcdb3 100644 --- a/src/plugins/platforms/ios/qioscontext.mm +++ b/src/plugins/platforms/ios/qioscontext.mm @@ -45,12 +45,15 @@ QIOSContext::QIOSContext(QOpenGLContext *context) : QPlatformOpenGLContext() , m_sharedContext(static_cast<QIOSContext *>(context->shareHandle())) + , m_eaglContext(0) , m_format(context->format()) { m_format.setRenderableType(QSurfaceFormat::OpenGLES); - m_eaglContext = [[EAGLContext alloc] - initWithAPI:EAGLRenderingAPI(m_format.majorVersion()) - sharegroup:m_sharedContext ? [m_sharedContext->m_eaglContext sharegroup] : nil]; + + EAGLSharegroup *shareGroup = m_sharedContext ? [m_sharedContext->m_eaglContext sharegroup] : nil; + const int preferredVersion = m_format.majorVersion() == 1 ? kEAGLRenderingAPIOpenGLES1 : kEAGLRenderingAPIOpenGLES3; + for (int version = preferredVersion; !m_eaglContext && version >= m_format.majorVersion(); --version) + m_eaglContext = [[EAGLContext alloc] initWithAPI:EAGLRenderingAPI(version) sharegroup:shareGroup]; if (m_eaglContext != nil) { EAGLContext *originalContext = [EAGLContext currentContext]; |