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-rw-r--r--src/plugins/platforms/cocoa/qcocoaglcontext.mm16
1 files changed, 14 insertions, 2 deletions
diff --git a/src/plugins/platforms/cocoa/qcocoaglcontext.mm b/src/plugins/platforms/cocoa/qcocoaglcontext.mm
index d0f5a58e22..d4673baaef 100644
--- a/src/plugins/platforms/cocoa/qcocoaglcontext.mm
+++ b/src/plugins/platforms/cocoa/qcocoaglcontext.mm
@@ -49,11 +49,19 @@
#import <Cocoa/Cocoa.h>
QCocoaGLContext::QCocoaGLContext(const QSurfaceFormat &format, QPlatformOpenGLContext *share)
- : m_format(format)
+ : m_context(nil),
+ m_shareContext(nil),
+ m_format(format)
{
+ // we only support OpenGL contexts under Cocoa
+ if (m_format.renderableType() == QSurfaceFormat::DefaultRenderableType)
+ m_format.setRenderableType(QSurfaceFormat::OpenGL);
+ if (m_format.renderableType() != QSurfaceFormat::OpenGL)
+ return;
+
QCocoaAutoReleasePool pool; // For the SG Canvas render thread
- NSOpenGLPixelFormat *pixelFormat = static_cast <NSOpenGLPixelFormat *>(qcgl_createNSOpenGLPixelFormat(format));
+ NSOpenGLPixelFormat *pixelFormat = static_cast <NSOpenGLPixelFormat *>(qcgl_createNSOpenGLPixelFormat(m_format));
m_shareContext = share ? static_cast<QCocoaGLContext *>(share)->nsOpenGLContext() : nil;
m_context = [NSOpenGLContext alloc];
@@ -70,6 +78,10 @@ QCocoaGLContext::QCocoaGLContext(const QSurfaceFormat &format, QPlatformOpenGLCo
const GLint interval = 1;
[m_context setValues:&interval forParameter:NSOpenGLCPSwapInterval];
+ if (format.alphaBufferSize() > 0) {
+ int zeroOpacity = 0;
+ [m_context setValues:&zeroOpacity forParameter:NSOpenGLCPSurfaceOpacity];
+ }
}
QCocoaGLContext::~QCocoaGLContext()